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BTS User Manual

1. e Myolab Clinic system for acquisition and processing of electromyographic signals for the functional assessment of deambulation This software has been designed for the purpose of use in clinics using automatic guided and consolidated procedures aimed above all at gait analysis using Footswitches For more details concerning the use of the software please refer to the specific Myolab or Myolab Clinic manuals However the BTS FREEEMG is manageable by all the BTS ELITE and SMART applications dedicated to the motion analysis with which is possible to acquire and process the electromyography signals in a integrate and synchronous way with the other devices connected The SMART Analyzer software allows to perform advanced elaborations of the EMG signals integrating the electromyography information with the cinematic and kinetic data It is possible to construct customized analysis protocols complete of advanced multimedial report 28 BTS Bioengineering installation TS FPREEEMGE Switching on BTS FREEEMG The patients unit consists of two main components the PDA and the AU and is usually given with the two parts already connected a I The patients unit consists of two main components the PDA and the AU and is usually given with the two parts already connected To avoid damaging the Compact Flash we suggest only to remove the PDA from the AU only if necessary and in any case even if expressly requested it is sugg
2. 26 5 Edit Notes Enter notes here Introduce the note using the keyboard and then click on OK to confirm ot on Cancel to come back to the previous screen without saving the text just typed BTS Bioengineering 59 3 FREECECEMO guide to the use of onboard software To modify the other acquisition parameters select the relative field with the Toggle and then use the Up and Down buttons Active fields Toggle Value range Select Start Manual Stop Manual Acq Frequency 1KHz 4KHz Flag MMT Resting Walking Undefined Extra If you want to process the acquired tests using Myolab Clinic the Flag field must be different from Undefined The acquisition starts by clicking on the Start button At the start up of the acquisition the BTS FREEEMG automatically goes into Lock mode showing the following Capturing Gli Elapsed Time 0 03 Time Left Manual Stop ProtocoDefault Protocol FreeEMG Acq Frequency 1 kHz Trial Type Extra jy Subject Last name F e 60 BTS Bioengineering guide to the use of onboard software 3 FREEEIC To unlock the palm click on the Unlock button this will immediately move to another position To complete this procedure it is necessary to press it again before it goes back to the original position Before quitting this mode the screen with the acquiring setup reappears but the Start or Arm button is substituted with t
3. Description Signals List Probe EMG1 EMG2 EMG3 EMG4 EMG5 EMG6 EMG7 EMG8 FSA1 FSA2 FSA3 FSA4 FSB1 FSB2 FSB3 FSB4 Probes Setup a 8 0 uu Signal Probe Type 01 EMG Signal 1 EMGi Surface 02 EMG Signal 2 EMG2 Surface 04 EMG Signal 4 Surface 05 EMG Signal 5 Surface 06 EMG Signal 6 Surface 07 EMG Signal 7 Surface 08 EMG Signal 8 Surface 09 Contact area 1 Footswitch 10 Contact area 2 Footswitch 11 Contact area 3 Footswitch 12 Contact area 4 Footswitch 13 Contact area 5 Footswitch 14 Contact area 6 Footswitch 15 Contact area 7 Footswitch P EMG Signal 3 Probes HE D aan s 9 10 S 11 12 S 13 14 s 5 ie F BBA B EA Status and Connectors The field Status and the Probes area rectangle at bottom show whether the probes indicated in the acquisition protocol are communicating with the RU 48 BTS Bioengineering guide to the use of onboard software E FRECEMO The probes area shows the 8 probes the probes from 9 to 16 are not utilised 2 for each transmitter A B C D and the 8 basographic areas i To assign the channels correctly to the FSW sensors remember to assign channels FSA1 FSA2 FSA3 and FSA4 to FSW A and channels FSB1 FSB2 FSB3 and FSB4 to FSW B When assigningan EMG probe toa signal in the probes area corresponding to the group to which the probe belongs a letter will appear which describes the type for example S indicates a probe for electro
4. NW1333a5 Sk user manual english BTS Bioengineering version 1 3 0 Document Number ERMT1 00277 04 Published Ottobre 2008 Copyright 2008 BTS SpA All Rights Reserved B S gt FREEEMG contents icons symbols and acronyms disposal WEEE intended use label warning copyright introduction to BTS FREEEMG general description case contents system components physical description receiving unit PDA Personal Digital Assistant wireless probes on off analysis optional installation user PC minimum configuration installation of the Wi Fi interface description of the software on the user PC switching on BTS FREEEMG first connection connection check correct data visualization check acquisition protocol contents BTS Bioengineering l B S gt FREEEMG contents create a new protocol 39 fitting the patient 33 guide to the use of onboard software 41 initial screen 41 Active button 41 selecting the work mode 43 description of the main bars and menu 44 protocol 47 probes setup 47 digital oscilloscope gane 50 digital oscilloscope cross check 50 footswitches 52 Local button holter mode 54 Remote button lab mode 66 Download button 70 Config button 72 Exit button 78 BIS FREEEMG updating 19 updating the onboard software 79 creating a backup image 80 maintenance and cleaning 82 appendix A technical specifications 83 wireless probes 83 receiving unit 83 appen
5. 190 Hysteresis 5 aly Options E This section is used to modify three parameters related to the footswitch threshold The maximum usable threshold expressed in percentage of the maximum range value The minimum threshold The hysteresis value to be used in the determination of the threshold crossing 76 BTS Bioengineering guide to the use of onboard software FREEEIMMGC Database Selecting Database the following screen will be visualized BTS FREEEMG Pr i 13 20 ok Media Info Footswitch Database Options em In this section it is possible to select the current database to create new databases to delete and rename existent databases There are two list boxes the first one Media allows the selection of the box in which the database can be found or to insert a new one In particular there are two possible medias the flash memory internal to the Pocket PC and the Secure Digital card If the latter is not present a message will be visualized indicating that the card is not inserted Instead the error message ERROR media not initialized will be visualized if the card has been inserted but hasn t still been initialized In this circumstance a button will appear allowing the initialization Once selected the Media it is possible operating on the second list box to select the database to use If the selected Media is empty it is necessary to create a new one BTS
6. Ready mode Mode Stand Alone Data None To make an acquisition in Lab mode there must be no data saved gt on the BTS FREEEMG 66 BTS Bioengineering guide to the use of onboard software 3 FREEEMUO This possibility can happen only with a loss of WiFi connection between BIS FREEEMG and Workstation during the last acquisition or if the data transfer has not gone well In this case the screen displayed after having selected Capture from the main menu will contain instead of the Arm button the Delete button and the Data field will be Ready Remote Capture a 26 Cri Acq Frequency 1 kHz Status Ready Mode Not connected Data Ready The data folder is NOT EMPTY To start a new acquisition the data must be deleted DELETE If you want it is possible to recover the lost data saved in the RU before proceeding with the new acquisitions downloading them on the Workstation software you are using for acquisition i e Myolab or Myolab i To know the download procedure consult the manual of the Clinic Otherwise the data will have to be deleted and cannot be retrieved in the future To delete the data click on the Delete button by doing this the system BTS Bioengineering 67 3 FERECENMUL guide to the use of onboard software will ask you a confirmation for the deletion select Yes if you really want to delete the data in a permanent way oth
7. 3 Port 9000 If the values do not correspond change them and click on Update before closing the window Switch on the BTS FREEEMG see switching on BTS FREEEMG wait until the application of the acquisition management is completely loaded and select the remote application clicking on Remote If the Wi Fi connection between the Patient Unit and the Workstation is assigned in the correct way after clicking on the Remote button the connection led of the Wi Fi net that you can find ci the front of the BTS FREEEMG and that presents the Wi Fi logo A will result on solid blue 32 BTS Bioengineering installation TS FREEECME During the start up of the Remote mode different wireless nets can be found present in the working area Always use the BISFREEEMG net ignoring the other nets From the Workstation launch the application that you want to use for example Myolab or Myolab Clinic Wait until in the application being used the respective LED indicating the state of the Wi Fi connection between the receiving unit and the workstation changes from red to flashing green Correct data visualization check During the initial connection check the correct operation of the probes in use and the correct display of data on the BIS FREEEMG To do this activate the precharged probes to be tested as indicated in J Active Button When all the probes are shown to be active on
8. Bioengineering TI 3 Fi EEEMO guide to the use of onboard software To create a new database click on New It will be created with the default name Trials DB to change the name select it and click on Rename To delete a database select it and click on Delete This operation removes completely the database and all its content patients sessions and trials For this reason the system will ask a confirmation before proceeding with the deletion Exit button The Exit button allows the closing of the application and the visualization of the operative system installed on the PDA To do that it is enough to press and hold the Exit button for few seconds 78 BTS Bioengineering 51 gt FREEENMIG BTS FREEEMG updating Updating the onboard software To update the BTS FREEEMG exit the application by selecting the entry of the Exit menu and holding down the Exit button for some seconds Before carrying out the upgrade of the software it is recommended a backup be made of the software version currently installed Slide the PDA out of the methacrylate guide enough to disconnect the Compact Flash Connect the PDA via the dedicated cable to the USB port of the WS On the WS from Windows run the update program launching the BTSFREEEMG Setup exe file and follow the video instructions till the update is complete Reinsert the PDA in the Slide Restart the BISFREEEMG a
9. Delete button will appear Date Time Length Type 02 15 0 0 34 Extra 03 15 N A Click on Delete and immediately a window with the request to confirm the deletion will appear Q Are you sure you want to x delete the current trial Clicking on Yes the trial will be removed from the database while if you choose No the deletion will be aborted Importing data to Myolab and Myolab Clinic The data acquired in Holter mode is saved in a local database in the BT S FREEEMG To execute the elaboration and the analisys of the data you need to import the test in Myolab or Myolab Clinic To do this proceed as described further in Download button BTS Bioengineering 65 3 FRECEEMLO guide to the use of onboard software Remote button Lab mode In this mode the connection between RU and WS is always available The specific characteristics are sending data boxes to the WS for the visualization in the remote oscilloscope available in the applicative software data transfer at the end of acquisition the duration of acquisition and the Start Stop are controlled by the PC Selecting Capture from the main menu the following screen appears pemote Cone NA I ESS OY ST Acq Frequency 1 kHz Status Ready 5 Mode Not connected Data None ARM Press ARM to setup the device for anew acquisition This screen displays some information concerning the system Status
10. TSDAC specify the field Signal description clicking on the arrow to enter the list Signal description x 36 BTS Bioengineering acquisition protocol S FREECEMGEL If EMG or FSW has been chosen select the body side which the sional is refering to Side click on the Assign button If all these operations are correctly executed in corrispondence of the current field the label name of the acquiring signal will appear in the image R_ADD Right Adductor Longus Repeat the described operations for every signal that belongs to the protocol The FSW must be put in the right side of the list To modify the information of a field already inserted click on the correspondant Field select the channel type and the side and click on Assign The current field is modified To delete the information in one field choose the equivalent Field and click on the Clear field button To modify an existing protocol in the box Select Protocol the protocols previously created on the PC are saved click on the arrow and select the desired protocol for the addition or modification of the signals follow the procedures recommended for the protocol creation to return to the original protocol the one selected in Select protocol delete the changes done clicking on Reload Protocol BTS Bioengineering 37 SS FR EEEMUG acquisition protocol W
11. and one for the Lab mode The two are different for the items Database and PlayBack which exist soley in the Holter mode Protocol Probes setup Probes setup Adjustrange Adjust range Cross check _ Cross check Footswitches Footswitches Capture Lab Mode Menu Playback bito Holter Mode Menu BTS Bioengineering 45 3 FREECECEMO guide to the use of onboard software The main menu allows you to explore the functions of the BTS FREEEMG To enter a page select the corresponding icon by clicking with the stylus on the desired function or by usnig the Up and Down Buttons lock up the palm by clicking with the stylus on the icon Lock Accomplishing this function will result in the following screen 315 REEETV UNLOCK A BTS Bioengineering To unlock the palm clik on the Unlock button this will immediately move to another position To complete this procedure it is necessary to press it again before it goes back to the original position close the application by clicking on the Exit button The following describes the menu functions starting from the ones that you can find both in the Holter Mode and in the Lab Mode that have the same characteristics 46 BTS Bioengineering guide to the use of onboard software 3 FREECEIC Protocol This item allows the user to select a protocol from the ones previously created by the user see Acquisition proto
12. red labels e 1 probes recharger e Kit Wireless Footswitch e 2 Footswitch Probes e 2 Connetors of 4 Footswitches e i csa g 020A e Secure Digital optional You will receive the instructions for use for other possible op tional components not mentioned in this manual BTS Bioengineering 17 5 S FREEEMG system components The new BTS FREEEMG electromyograph consists of a receiving unit which utilises a PocketPC platform and wireless probes designed and developed by BTS SpA Physical description power button on off P activesync connector Compact Flash CF slot type II 2 battery door lock in lock position to Secure Digital SD slot switch on BTS FREEEMG stylus pen SN BIS ion NEN Aa Jaa qE TT a 3 oso LED acquisition solid green acquisition running LED EMG solid amber EMG ready to use LED WIFI solid blu WiFi Active LED charging and notification indicators blinking amber charging solid amber full charge VGA color display antenna wireless probes 18 BTS Bioengineering system components 5 N EEEM O Receiving unit FREEEMO The slide of the RU consists of e A digital card e An aluminium casing three modular layers e A methacrylate guide The digital card is connected to the palmtop via the Compact Flash port when this is made to slide in the methacrylate guide The receiving unit is able to manage up to 8 probes it is possi
13. selected trial will not be entirely visualized but only bits of the length of 1 2 5 or 10 seconds according with the Time field BTS Bioengineering 63 3 FERECEEMUL guide to the use of onboard software Active fields Toggle Value range Select Signal 1 Acquisition signals Signal 2 Acquisition signals Zoom Time From 1 sec to10 sec trial Trials of the selected session However it is possible to scroll the whole trial changing time after time the frame from where the visualization starts To do that click with the stylus on the grey band that represents the whole trial in the point correspondent to the first frame to visualize On the grey band at the two extremities are indicated the beginning of the trial that is 0 00 and the total length of it like in the example in the figure 0 34 that means 0 minutes and 34 seconds In the spot in which you tap a grey rectangle will appear in which will be indicated the correspondent time of the selected first frame like in the example in the figure 0 21 Therefore if the Time field is set for example on 5sec we are visualizing 5 seconds of trial starting from the 21st second It is possible if you regard it relevant delete some trials 64 BTS Bioengineering guide to the use of onboard software 3 F REECEIC Click on the trial choosing it in the lower panel that you want to delete It will be underlined in light blue and the
14. FREEEMG keeps waiting showing the following screen 70 BTS Bioengineering guide to the use of onboard software 3 F REEEIMMCGC oe V N Ready for download BTS Bioengineering from Myolab Myolab Clinic or Biomech select the Download item from the FREEEMG menu A window will appear that will allow you to explore and modify the active database on the BIS FREEEMG and download all the files that you are interested in the user manuals of the selected software i For further details concerning the data download refer to i The data import takes place with a wireless connection e if the import operation fails you need to verify that the RU and WS are connected see Appendix C troubleshooting guide when the download is finished on the BTS FREEEMG keep pressing the Exit button to go back to the main screen BTS Bioengineering 71 3 e EEEMOG guide to the use of onboard software Config button The Config button launches an application that allows the modification of some system settings It uses five tabs to reach the different information and features Info Main screen that contains information of the installed versions General General settings i e language audio settings Radio assignment of the logical probes EMG1 EMG2 with the physical probes each probe is identified by a unique ID setting of the signal range and setting
15. Right Abductor pollicis brevis sw V ENABLE HC_Right Right Heel Contact lv ENABLE LAPB Left Abductor pollicis brevis V ENABLE HC_Left Left Heel Contact I ENABLE ENABLE ENABLE ENABLE ENABLE JE ENABLE ENABLE I ENABLE ENABLE ENABLE I ENABLE mil ENABLE Channel type ENABLE C EMG C Wire Surface C EGN FSW ENABLE C TSDDC C TSDAC T ENABLE Signal description GRKA ENABLE Heel Contact 7 ENABLE Side Type may ENABLE Left Assign T ENABLE Le 2EMG 2FSW 2 channels land 2 switches protocol Write by WiFi Write by Cable Exit BTS Bioengineering 35 SS FR EEEMUG acquisition protocol With BTS FREEEMG it is possibile to acquire Up to 8 EMG channels up to 16 if there is a second BIS FREEEMG unit available 8 basographic areas FSW i If there are two units the FSWs are always assigned to the first BTS FREEEMG unit To create a new protocol in case a protocol has already been loaded it is possible to empty out all the fields of the table for the protocol creation by clicking on the Clear All button select the current field 1 e Field 1 enable the field putting the check near Enable W ENABLE choose the probe type Channel type EMG or FSW If EMG has been chosen you need also to indicate if it s a Wire electrode or a Surface electrode Channel type G emg C Wire Surface C EGN FSW C TSDDC
16. and the Delete buttons will appear Click on Delete and immediately a window with the request to confitm the deletion of the trial will appear Q Are you sure you want to delete the current trial Clicking on Yes the selected trial will be removed from the database with all the related sessions and trials while if you choose No the deletion will be aborted Acquisition to proceed with the acquisition in Local mode it is necessary to have created a new session and to have selected an analysis protocol or to have selected a session already in the database Proceed then with the operations described in the previous paragraphs Probes Setup Range Digital Oscilloscope Footswitches 58 BTS Bioengineering guide to the use of onboard software 3 FREECEIC Once finished all the preliminary operations and the necessary checking it is possible to proceed with the acquisitions To do that select the item Capture from the Menu A screen will appear which gives the setup for that acquisition Loca Capire 49 80 co DElESeme se Start Manual Stop Manual Trial Type Extra Enter notes here For every test it s possibile to indicate the Start and Stop mode the acquisition frequency and the type and notes of the test To edit the notes click on Edit Notes a window will open which allows you to edit the notes Local Capture A 8 B 6 c E DS Fs6 T6
17. anual Stop Protocol lemg Acq Frequency 1 kHz I The acquisition starts up through the remote control directly by e the Workstation This display will remain on the BTS FREEEMG until the acquiring session is over It s possibile to interrupt the acquisition remotely and proceed with the next ones At the end of every acquisition an automatical data download will be BTS Bioengineering 69 3 e EECEMVMIC guide to the use of onboard software executed Only at the end of the download is it possibile to launch another remote acquisition Once the acquisition session is over unlock the BTS FREEEMG In order to do so press the Unlock button this will immediately move to another position To complete this procedure it is necessary to press it again before it goes back to the original position Finally to quit from the Armed status click on the Cancel button For the details of the remote management of the acquisition from the CS refer to the specific manual of the software meant to be used Download Button If the Holter mode is chosen local acquisition the acquisitions are saved in a local database to BTS FREEEMG To elaborate the acquired data with the dedicate softwares installed on the Workstation the user needs to download them with Myolab Myolab Clinic or Biomech following these instructions select from the main page the download mode clicking on the Download button the BTS
18. ard memory type SDSDIO MMC of 1 and 4 bit CF slot 1 en OS Type Il expandable CF card Memory upgrades Up to 1 GB with optional SD card up to 4 GB with optional CF card Internal ROM 128 MB of Strata Flash ROM 20 BTS Bioengineering system components Dimensions I x h x w Weight Display type Dimensions of display Pixel pitch Video resolution Wireless technology Expansion slot Power supply Power supply requirements Description of mouse selection device Keyboard External I O ports Audio Alarms Operating temperature Storage temperature Operative humidity Q B S FREEEMG System Specifications 77 x 14 9 x 131 mm 186 7 g TFT 4 diagonal 0 126 mm 480 x 640 L x W 64k colours 65 536 colours 16 bit Bluetooth 1 2 Wi Fi and IrDA FIR integrated SD slot supports standard memory type SDSDIO MMC 1 and 4 bit CF slot 1 Type Il Battery removable rechargeable lithium ion battery 1800 mAh exchangeable by user optional lithium ion battery extension removable rechargeable 3600 mAh available for purchase Note the autonomy of the battery varies depending on the type of use and the configuration of the palmtop The use of some internal wireless functions and rear illumination can greatly reduce the battery autonomy AC power supply AC input 100 240 Vac 50 60 Hz AC input current 0 3 A max Output potential 5VDC normal Output current 2A normal Touchpad for navigatio
19. ations or I The information contained in this manual is subject to change any obligation on the part of BTS S p A 12 BTS Bioengineering B S gt FREEEMG copyright The software of the system described in this manual is supplied with the licence to use contract The software may be used or copied only as stipulated under the terms of this contract No part of this manual may be copied or transmitted in any form or means electronic or mechanical including photocopying without prior written permission from BTS S p A Unless otherwise specified any reference to companies names data and addresses used in the reproduction of the screens and the examples are purely incidental and has the sole purpose of illustrating the use of the BTS product All trademarks are registered by the respective owners property of BTS S p A The recipient acknowledges that the illustrations and information supplied in this manual shall not be made available to third parties without explicit written agreement by BTS S p A This publication contains reserved information which is the BTS Bioengineering 13 B S FREEEMG introduction to BTS FREEEMG General description BTS FREEEMG is an indispensable instrument for laboratories which are concerned with the study of muscular activity in the fields of rehabilitation sports medicine ergonomics clinical research and assessment of functional ability and muscular fatigue BTS FREEEMG
20. band aid or hypoallergenic double sided tape to apply the Footswitches in correspondence of the foot contact points At the end of each work session it is important to carefully remove every glue or gel residual from these parts and from the probes After each use we suggest to clean the switches using a soft cloth moist with a disinfectant solution being careful removing any glue residual left The BTS FREEEMG cannot be sterilised 82 BTS Bioengineering 31 gt FREEEMG appendix A Wireless Probes Geometry Electrodes Separation Autonomy Battery Dimensions Weight Frequency used Input impedance CMMR Resolution Acquisition frequency Sensitivity Recetving Unit Autonomy Battery Dimensions technical specifications vatiable standard with clip connection min 16mm max 66mm 4h of use 18 days stand by 1 year sleep mode rechargeable lithium ion 17x36x8mm mother electrode Diameter 17 x 8mm satellite electrode 7 5g battery included ISM band 2 4GHz standard IEEE802 15 4 gt 10 GOhm gt 110 dB 50 60Hz 16bit up to 4KHz luV up to 24h with rechargeable battery up to 9h with single battery rechargeable lithium ion 152x82x22 5mm BTS Bioengineering 83 BTS FREEEMG sp Weight 240 grams Frequency used ISM band 2 4GHz standard IEEE802 15 4 and IEEE802 11b Display 4 VGA colour touch screen 84 BTS Bioengineering B S gt FREEEMG appendix B dec
21. ble to acquire 16 probes simultaneously by using 2 receiving units designed to acquire electromyographic signals in addition to the two auxiliary probes which connect to the footswitches When the acquisition unit is connected to the palmtop the card communicates describing itself to the driver in operation and thereby allowing the system to self configure and to carry out a self diagnosis BTS Bioengineering 19 BTS FREEEMG ose componens PDA Personal Digital Assistant HP iPAQ hx4700 Pocket PC is based on Microsoft Windows It uses the Intel PXA270 processor and the new transflective display VGATFT 4 with 64k colors to provide exceptional graphics power and performance to display large dimension images at highest quality resolution HP hx4700 is fitted with excellent expansion capacity Compact Flash Type II and SD slot to provide more storage space and greater function range 64 MB of SDRAM and 128 MB of ROM memory allow a greater number of programmes and files to be stored while the 1800 mAh lithium ion battery ensures longer uninterrupted use of the Pocket PC Processor Operating System and Memory Stio Microsoft Windows Mobile 2003 Second Edition Software installed Processor Processor based on Intel PXA270 technology Processor speed 624 MHz Standard memory 64 MB SDRAM M Up to 135 MB of memory available to user which includes 80 MB of iPAQ File ax memory Sinore SD slot supports stand
22. col In any case if a protocol hasn t yet been created it is possible to use the default protocol Selecting a protocol is achieved by scrolling through the list on the left panel by clicking on the Up and Down buttons of the buttons bar The protocol you select will be highlighted in blue Protocol Selection __ Signal Probe Type Surface 2EMG2 EMG2 Surface 3 EMG3 EMG3 Surface 4 EMG4 EMG4 Surface 5 EMGS EMGS Surface 6 EMG6 EMG6 Surface 7 EMG7 EMG Surface 8 EMG8 EMG8 Surface 9FS1 FSA1 Footswitch 10 FS2 FSA2 Footswitch 11FS3 FSA3 Footswitch 12 FS4 FSA4 Footswitch BFS FSBi Footswitch 14 FS6 FSB2 Footswitch 15 FS7 FSB3 Footswitch This is a default protocol for 16 FS8 FSB4 Footswitch FreeEMG where each available channel analog and footswitch is recorded Probes Setup When a new protocol is defined the user needs to associate with the items of the protocol muscles joints and foot areas the channel that physically acquires the data To set the channels 1 use Up and Down buttons to select a signal 2 use toggle to select the Probe field BTS Bioengineering 47 3 FERECENMUL guide to the use of onboard software 3 choose the probe with the Up and Down buttons 4 use toggle to select the description the whole row 5 move on the next description with the arrow Down and restart from point 2 to assign the channel to the next item Active fields Toggle Value range Select
23. ct the date under the voice Start For further details about the time and date setting refer to the 6 Pocket PC manual BTS Bioengineering 91 N BTS Bioengineering headquarters R amp D centre viale Forlanini 40 via della Croce Rossa 11 20024 Garbagnate Mil se MI 35129 Padova PD Italy Italy tel 39 02 366490 00 tel 39 049 8076025 fax 39 02 366490 24 fax 39 049 7929260 www btsbioengineering it info bts it
24. dard electromagnetic compatibility TEC 60601 1 4 Medical Electrical Equipment Part 1 4 General Requirements for Collateralistandard Programmable Electrical Medical Systems RAD Office This compliance is valid ONLY for the equipment identified when used in a manner consistent with the intent of the referenced documents and according to the product s usage manual Notified Body TUV Product Service GmbH Identification N 0123 EC certificate N G1 08 01 65301 001 valid until January 15 2013 da E 29 z TE BTS Bioengineering 85 5 S gt PREEEMO appendix C alternative Wi Fi interfaces Installation of a PCI card 1 With the computer switched off open the computer case 2 Fit the card into a free PCI slot 3 Screw the antenna into its holder 4 Switch on the computer the operating system should detect the presence of a new card and will prompt if it is not able to recognise the card automatically for the CD containing the card drivers to be inserted Insert the CD which was supplied with the card and follow the instructions to install the drivers 5 Verify that the Wi Fi card you have just installed appears on the peripheries management panel We recommend that you make reference to the card installation manual 86 BTS Bioengineering appendix 31 gt FREEEMG Installation of a PCMCIA card 1 Insert the PCMCIA card in the appropriate slot The operating system will attempt to detect th
25. de i If the connection is still not activated also with all these settings please contact the BTS Customer Care 90 BTS Bioengineering appendix 31 gt FREEEMG Backup restoring The backup restoring procedure allows the reloading of the BTSFREEEMG software and the restoring of the standard configuration of the Pocket PC This is very useful for example when the PDA battery goes completely dead If this happens when the PDA is switched on the software BISFREEEMG won t be loaded and instead of it a screen will appear in which the system will ask the user to execute some start up operations In this circumstance before proceeding with the restoring I procedure it is necessary to complete the start up operations required by the system that consists in the execution of some simple exercises like the stylus pointing to execute a copy and paste etc for further details refer to the PDA manual When all these operation are finished the windows main screen will be visualized and it will be possible to proceed with the restoring of the last backup To restore the backup follow these instructions select Start and then Programs among the installed programs choose iPAQ Backup click on Restore Now to restore the last backup the PDA will restart and then the BTSFREEEMG software will be reloaded At this point exit from the application to set the date and the time to do that sele
26. dix B declaration of conformity 85 appendix C alternative Wi Fi interfaces 86 installation of a PCI card 86 installation of a PCMCIA card 87 using the USB adaptor 88 2 BTS Bioengineering contents 5 IS FREEEMG appendix D troubleshooting guide 89 1708 error Incorrect IP address or port set up 89 1709 error Impossibility to connect to the unit 90 backup restoring 91 BTS Bioengineering 3 B S FREEEMG icons symbols and acronyms LL Symbol in the instructions for the function The icon represents the information which requires special attention la Symbol in the instructions for the function This icon makes reference to a more detailed discussion of the subject in hand A Symbol on the equipment and in the users instructions Symbol for the separate disposal of electrical and electronic equipment in accordance with Directive 2002 96 CE WEEE The equipment belongs to Group 8 medical equipment In force in the nations of the European Union Norway and Switzerland BTS Bioengineering 5 FRITS e REEEMULO icons symbols and acronyms AN Symbol on the equipment Attention read the information in the users manual carefully before using the equipment Symbol on the equipment The data appearing next to the manufacturet s symbol refer to the place of manufacture of the equipment itself EI Symbol on the equipment The figure in the square indicates the insulation cla
27. e following page is displayed BTS FREEEMG P i 13 19 ok Registered probes EMG 1 EMG 2 EMG 3 EMG 4 b EMG 5 EMG 6 EMG 7 EMG 8 fo FSW A FSW B fo Options em Info Radio The Registered probes section allows the probes to be assigned to the labels EMG1 EMG2 EMG3 Each probe is identified by a unique specific ID number recorded on the probe itself and which characterises it no two probes have the same ID It is recommended to modify this section only if absolutely necessary and in any case with referral to BTS technical support From the Radio page two other sections may be accessed BTS FREEEMG Pr i 18 19 ok Signal EMG Signal Range Radio Channels Activator Channel 12 4 PANACh 22 4 v PAN B Ch PANCCh ig a PAN D Ch Options em Info BTS Bioengineering 75 3 FERECENMUL guide to the use of onboard software The Signal section indicates the range preset by the BIS FREEEMG for electromyographic signals From the Radio Channels section the ZigBee channel with which to work can be assigned to the activator and the four transmitters Also in this case it is recommended modifying this section only if absolutely necessary and in any case with referral to BTS technical support Footswitch Selecting Footswitch the following screen will be visualized BTS FREEEMG Pr i 13 20 ok Footswitches threshold Min 10 Max
28. e new hardware automatically If it fails to do so it will ask the user to insert the CD with the card drivers which is provided with the card Follow the instructions to install the drivers 2 Verify that the Wi Fi card just installed appears on the peripheries management panel 3 Before removing the card switch the computer off or follow the procedure for safe removal of hardware We recommend that you make reference to the card installation manual BTS Bioengineering 87 BSTS FREEEMG ed Using the USB adaptor 1 Insert the USB card in the appropriate connector The operating system will attempt to detect the new hardware automatically If it fails to do so it will ask the user to insert the CD with the card drivers which is provided with the card Follow the instructions to install the drivers 2 Verify that the W1 Fi card just installed appears in the peripheries management panel 3 Before removing the card switch the computer off or follow the procedure for safe removal of hardware We recommend that you make reference to the card installation manual 88 BTS Bioengineering 31 gt FREEEMG appendix D troubleshooting guide 1708 Error Incorrect IP address or port set up The software uses IP address parameters and communication ports to create network connections between the Workstation and the PDA In the case of incorrect configuration the correct parameter values need to be re input To do this lau
29. ed patient protocol click on the Menu button and enter the Protocol item see J Protocol The default protocol is linked to the session to change the Cautious that it is not possible rather than to change protocol of a session when this has already got some acquisitions 56 BTS Bioengineering guide to the use of onboard software E FREEEMULO To continue working with the same patient but with a different protocol it is necessary to create a new acquisition session for that patient To modify or to delete the data of a session created previously click on the correspondent line it will be underlined in light blue and the Delete and Modify buttons will appear Clicking on Modify a window will open that allows to modify the data related to this session Database Weight Kg Height m Click on Delete and immediately a window with the request to confirm the deletion of the session and the relate trials will appear Are you sure you want to delete the current session 2 trials BTS Bioengineering ST 3 FERECEEMUL guide to the use of onboard software Clicking on Yes the session and the trials will be removed from the database with all the related sessions and trials while if you choose No the deletion will be aborted Latter it is possible to delete single trials To do that click on the correspondent line it will be underlined in light blue
30. erwise click on No to come back to the previous screen Once deleted the file the Arm button appears again and the Data field will again become None so it s possibile to proceed with the acquisition Before arming the system it is possible to set the acquisition frequency using the Up and Down button of the button bar Active fields Toggle Value range Select Acq Frequency 1KHz 4KHz To prepare the system for capture it is necessary to arm it by simply tapping the Arm button that will be replaced by the Lock and the Cancel buttons now it is possible to make the acquisition via remote control Remote Capture A 6 B s cS DE Fse TS 6 p y 1 kHz Acq Frequenc Status Armed Mode Not connected Data None LOCK The device is armed and waiting for a remote connection START will initiate a local acquisition CANCEL 68 BTS Bioengineering guide to the use of onboard software E F REEEIMMGC At this level it is not possible to change the acquisition frequency Tapping on the Cancel button the previous screen appears returns control to the RU To procede with the acquisitions the system needs to be armed again It is possible to lock the system by clicking on Lock directly by this window therefore at the beginning of the acquisition the BTS FREEEMG locks automatically displaying Not connected Elapsed Time 0 00 Time Left M
31. ested not to move it completely from its place but to let it slip just enough to disconnect it from the digital card more or less 1 cm event that will be signalled by an audio beep The recharge of the battery and the transfer of data with the USB can also be done through the specific cable without disconnecting the AU or the PDA It is not possible to make acquisition during the recharging of the battery It is also advisable to perform a connecting separating operation of these parts only when the device is turned off To connect the Acquisition Unit to the palmtop run the PDA along the AU guides being particularly careful that the CF enters the appropriate slot without being forced or receives any sudden impact and avoid any excessive pressure on the palmtop screen BTS Bioengineering 29 SS E IR EMI O installation When the PDA reaches the end of its course switch on the BTS FREEEMG check that the slot switch located on the side of the BTS FREEEMG shown in the diagram is in the position closest to the closed lock symbol If not move it to this position C uS Switch on by actuating the button on the opposite side of the BTS Als FREEEMG as shown here At this point wait until the application BIS FREEEMG is completely charged On the BTS FREEEMG display the following screen will be visualized 30 BTS Bioengineering installation S PREEECMGE First Connection The BTS FREEEMG is sup
32. h variable geometry In the mother electrode there is the preamplifier the A D converter the antenna and battery The probes are charged by a dedicated charger to which the probes are connected via their respective clips Refer to the cover of the charger to identify the correct polarity The probes cannot be recharged if the polarities are inverted 272 BTS Bioengineering system components 5 FPREeEEt O Each probe is fitted with an LED indicating its state The probes can be in one of a number of different states Charge steady red LED During recharging the red LED is on the probe is completely passive and does not respond to any command When the battery is fully recharged or when the probe is removed from the charger if sufficiently recharged it passes to the Inactive mode Inactive green LED which cyclically lights with a steady light for a few seconds every 3 minutes In the Inactive mode the probes cannot be used directly by the patient unit but are in constant standby to be activated by the activation software When the probe is inactive it carries out a scan of the radio frequencies during the scan the green LED is lit continuously Active Scanning green LED which cyclically lights for a few seconds In this mode the probe is searching for a patient unit on the channel assigned during the activation phase At intervals of about 3 seconds its carries out a scan of the frequencies During the scan the g
33. he Unlock and Stop buttons Local Capture 6 pe ce nani Start Stop CE Acq Frequency 1 kHz Trial Type Extra Enter notes here The Unlock button allows to come back to the previous screen Clicking on Stop instead will end the acquisition At this point the following screen will be visualized Local Capture Start Stop Acq Frequency Trial Type Enter notes here BTS Bioengineering 61 3 Fi EEEMIL guide to the use of onboard software To save data on BTS FREEEMG select Store whereas to cancel the data just acquired click on Delete In this case a confirmation for the cancellation will be asked of the user select Yes if you want to delete the new acquired data Click No button and then Store to save the test After the storing or the cancellation of the last acquired test you are redirected to the screen containing the Start button To continue with another acquisition click on Start and repeat the operations just described If any other acquisition won t be executed select Exit from the menu Playback In the Holter mode it is possible to visualize a preview of the data acquired and saved in the database To do that from the menu select the voice Database and select the patient the session and the trial that you want to visualize clicking with the stylus on the correspondent line that will be underl
34. hen every signal of the protocol is inserted proceed saving the protocol following these instructions indicate a name for the protocol specifying it on the Protocol Name box it is possibile to insert also a short description of the protocol using the appropriate box Description make sure that the BIS FREEEMG is in the Lab Modality to access this modality from the main page click on the Remote button if two BTS FREEEMGs are being used make sure that both the unit have the Remove Mode activated click on Write by WiFi to save the protocol on the PC and transfer it on to the BIS FREEEMG for the protocol to be transferred to both units At the end of the transfer the protocol will be visible in both but in each unit will If two BIS FREEEMGs are being used it is necessary to wait be displayed only the respective signals from the channels they are connected to For example if a protocol with 10 EMG channels has been created 8 associated with the first unit 2 with the second and the footswitches the protocol on the first unit will register 8 EMG channels and the FSWs while the protocol on the second unit will register only 2 EMG channels Only the enable signals Enable checked will be memorized I in the protocol If for example a 4 signals plus FS protocol has already been defined to create a protocol including only the 4 EMG signals it is enough to remove the checks on Enable f
35. ility in positioning on the patient s foot 24 BTS Bioengineering system components 5 CEEM O For applications other than gait analysis there are available on request smaller diameter 8 mm switch probes appliable for example to the finger and square useful for tapping tests 44 mm x 44 mm The footswitch channels are supplementary to the 16 electromyographic channels During set up the sensitivity of the switches can be calibrated to the patient s weight see Footswitches BTS Bioengineering 25 B S gt FREEEMG installation User PC minimum configuration Operating system Windows 2000 XP Processor P IV 1600 MHz RAM 256 MB Video card 32 MB Open GL Disk space 60 MB USB 2 0 Network card Wi Fi 54 Mbps Installation of the Wi Fi Interface The real time data transmission between the BTS FREEEMG and the Workstation occurs thanks to the Wi Fi net This type of connection is permitted using an Access Point supplied with the system An AP is an Ethernet device which works with devices present in a small area The AP starting point of the service operates from bridges between the wireless devices and the systems physically connected to the network with an RJ45 connector The AP transmits the signals to the surrounding area via radio waves All the wireless devices within the area can receive signals and communicate with the AP and through them with all the other devices creating a networ
36. ined in light blue Once the trial is selected from the menu select the voice Playback At the end of an acquisition session it is possible to go directly to the Playback page without passing from the database in this circumstance all the trials saved in the last session acquired will be loaded In both these circumstances the following screen will appear 62 BTS Bioengineering guide to the use of onboard software 3 FREEEMUO Playback A s Ecen Signal2 R_TA Zoom Time 2sec Right Gastrocnemius medialis Porta 8 30 mo e Date Time Length Type 0 03 15 13 03 0 34 Extra 1 03 15 12 24 N A Extra From the lower panel select the trial to visualize by tapping on the correspondent line It is possible to visualize two signals at the same time To do that select the field Signal 1 and than Signal 2 using the Toggle and scroll the list of the available signals operating on the Up and Down buttons After that to improve the signal visualization adjust the active fields Zoom and Time selecting them with the Toggle and changing their value with the Up and Down buttons In particular the Zoom field allows increasing or reducing the current view area it acts on the axis of ordinates while the Time field allows changing the temporal value range showed on the axis of the abscissas choosing among a range of value in between 1 and 10 seconds This means that the
37. information about the patient Database a 3 s 6 COP EP EP Ei New Subject J Last name 54 BTS Bioengineering guide to the use of onboard software E FEREEEMULO To insert the patient data move up to the field to insert e insert the value with the keypad each tap on the gender field will change from F to M and viceversa press OK to insert the patient into the database It is possible to modify or to delete the data of a patient already inserted By clicking on the line of that patient it will be underlined in light blue and the Delete and Modify buttons will appear Clicking on Modify a window will open that allows to modify the general information of this patient Database a a Click on Delete and immediately a window with the request to confitm the deletion will appear Are you sure you want to delete the subject john brown BTS Bioengineering 55 3 FERECENMUL guide to the use of onboard software Clicking on Yes the trial will be removed from the database with all the related sessions and trials while if you choose No the deletion will be aborted To create a new test session click on New Session A window will open that allows to the user to insert data linked to the session e patient weight patient height pathology possible notes of the session Height m Pathology Press OK to add the session of the select
38. k without cables 26 BTS Bioengineering installation TS FREEECME Connecting a Workstation PC laptop or desktop not provided with a Wi Fi interface to Access Point with a normal network cable is created through the wireless connection with BTS FREEEMG eceiving Unit R a LI ate Probes Access Point MMB ation The access point included in the system is already configured with the network name SSID BISFREEEMG with transmission on channel 6 The base configuration prepared in BTS factory settings uses the following IP addresses Access Point 192 168 1 1 BTS FREEEMG 192 168 1 2 Workstation assigned automatically by the Access Point mode also between the Workstation and Access Point If the PC is originally not provided with this type of interface one needs to install the appropriate network card for further details see appendix B alternative Wi Fi interfaces Q In any case it s possibile to utilize the Wi Fi data transmission BTS Bioengineering 27 HS e EEMI installation Description of the software on the user PC There are two applications dedicated to electromyography e Myolab general purpose tool for acquisition display processing and reporting of electromyographic signals and joint angle measurements This programme is adapted for use in the field of research offering a series of instruments which allow the user to develop personalised analysis procedures for data
39. laration of conformity D BTS Bioengineering CE DECLARATION OF CONFORMITY BTS SpA Viele Forlanini 40 20024 Garbagnate Milanese MI Italia Tel 39 02 356 490 00 Fax 39 02 366 490 24 z declare under our sole responsibility that the productis di E name description Electromyographic system device for recording myoelectrical activity m model FreeEMG S N er 5 satisfies the essential requirements of the Medical Devices Directive 93 423 EEC and z therefore caries the CE marking of the European Union The conformity assessment procedure is E 8A according to the article 11 of the directive Annex II 3 fullequality assurance amd the article 12 it E RR is not applicable See SE uu E ats In accordance with Annex IX of the 94 42 EEC directive it is classified as follow y G Sii i nr att CLASS IIa rule 10 sa SE In accordance with EN 60 601 1 is also classified as follow Class internally powered device Applied part type BF The product conforms to the following standards EN ISO 14971 Medical Devices Application of risk management to medical devices TEC 60601 1 Medical Electrical Equipment Part 1 General Requirements for Safety TEC 60601 1 1 Medical Electrical Equipment Part 1 General Requirements for Collateral standard Safety requirements for medical electrical systems TEC 60601 1 3 MedicalElectrical Equipment Part 1 General Requirements for Collateral stan
40. makes the selection of muscles the setting of duration and frequency of acquisition amplification gain and the correct positioning of electrodes simple and rapid BTS FREEEMG is generally supplied with Myolab or Myolab Clinic the powerful BTS software programmes for displaying processing and reporting electromyograph signals BTS FREEEMG seamlessly integrates with BTS motion analysis systems through the ELITE and SMART dedicated software 14 BTS Bioengineering introduction to BIS FreeEMG TS FPREEEMG Case contents Standard components e Receiving Unit e HP iPAQ hx4700 Pocket PC e Slide e Belts for attachment to patient e Stylus located in the Pocket PC Pocket PC Slide e Access Point e Probes Kit e 8 wireless probes numbered from 1 to 8 with blue labels 1 probes recharger Set of disposable electrodes BTS Bioengineering 15 KRIS n REEENULG introduction to BTS FreeEMG e Accessories e USB PDA cable AC adaptor conforme RoHS Lo iy 1 e Manuals BIS FREEEMG user manual complete of CD Rom BISFREEEMO BESFREEEMG e HP iPAQ Pocket PC Manual and Companion CD HP iPAQ serie hx4700 Pocket PC B 16 BTS Bioengineering introduction to BTS FreeEMG TS FREEECMGE Optional components e Second BTS FREEEMG unit for the management of 12 to 16 EMG channels e Second probe kit e Up to 8 wireless probes numbered from 9 to 16 with
41. myographics of surfaces F on the other hand indicates a footswitch In the Probes area the squares linked with the channels can be of different colors White the probe has not been assigned to any signal Orange the probe has been assigned to a signal but has not been activated The signal is detected but has no meaning The Status is set to NOT CONNECTED Green the probe is assigned to a signal and has been correctly activated Status is automatically set to OK Grey the probe has been activated but has not been assigned to any signal of the protocol The probe will not be acquired Before starting acquisition the user needs to confirm that the 2 Status of each protocol voice is OK BTS Bioengineering 49 3 FERECENMUL guide to the use of onboard software Digital Oscilloscope gain The BTS FREEEMG has a pre set range of 2 2 mV By accessing the gains page it is possible to check the intensity of the sionals which are desired and ensure that the signals fall within the range foreseen by the BTS FREEEMG To do this from the Signal active field select the protocol item desired by actuating the Up and Down buttons Aust cquiston Range A B SCD ESS SP II Signal 39 Range 2 2m Time 2sec EMG Signal 1 Port A1 Once the electrodes have been positioned and all the connections made before acquiring signals it is recommended always to try to monitor the muscula
42. n with cursor with operation similar to that of a mouse 4 programmable buttons Cradle battery recharger USB from table Microphone loudspeaker 3 5 mm headphone input jack stereo MP3 via audio and loudspeaker input Actuation switch charging and notification indicators green flashing light notification amber flashing light charging constant amber charging complete LED BluetoothAVLAN constant blue LED wireless operation ACTIVE from 0 to 40 C from 20 to 60 C 90 relative humidity For further details please refer to the HP iPAQ hx4700 Pocket PC Manual included BTS Bioengineering 21 BTS FREEEMG sc compone Wireless Probes BIS FREEEMG utilises miniaturised probes with active electrodes weighing only 7 5 grams The probes have been designed to minimise bulk and for the maximum comfort of the patient which is achieved mainly by the complete absence of cables reducing drastically the time needed for set up at each sitting Each receiving unit can control up to 8 probes for a total therefore of 8 analysable muscles in a single exam standard configuration with one receiving unit LED mother electrode satellite electrode mother electrode clip satellite electrode clip Each probe consists of a mother electrode and a satellite electrode each fitted with a clip The two parts connected via a flexible cable may be positioned as needed by the user at adjustable distance electrodes wit
43. nch the software that you are going to use and then by the menu voice FREEEMG select Config Verify that the IP address and the port setting are correct FreeEmg Configuration Device Connection Dev1 The values to specify are the following IP Address fi 92 168 1 2 Port Roo IP Address 192 168 1 2 Port 3000 and if a second receiving unit is available IP Address L927 166 155 X Cancel Port 9000 If necessary correct the values and click on Upgrade before closing the windows BTS Bioengineering 89 BSTS FREEEMG ed 1709 Error Impossibility to connect to the unit One or more Wi Fi network resources Access Point Workstation PDA are not available In general we recommend some simple checks as follows Access Point Check they are correctly connected to the power supply and switched on Try switching the AP off and then back on Since some models are not fitted with an On Off switch it may be necessary to remove and reinsert the power cable If on the rear of the model there is a selection button verify it is on position AP Workstation If the Workstation is fitted with a Wi Fi interface check it is active and connected to BISFREBEMG As the connection is through the AP check that the LAN local area network is active BTS FREEEMG The Wi Fi connection is active only when the BTS FREEEMG is in Remote Mode or in Download Mode From the main screen choose one of these two mo
44. obes to the charger This Operation resets the probes deactivating any probes already active It is in any case necessary that the probes are sufficiently charged for the activation to succeed Click Start to initiate the probe activation procedure The selected probes will be activated only when removed from I the charger Remove the probes therefore from the charger and wait for the BTS FREEEMG to activate all the selected probes To facilitate the activation and to verify that all the required probes are active we suggest detaching the probes from the charger one ata time 42 BTS Bioengineering guide to the use of onboard software 3 FREEEIC When a probe has been recognised the grey rectangle is replaced by a green rectangle db BTS FreeEMG a 4 17 24 Activate selected probes emci p eMG2 K mes B eMG4 K emMG5 K emce K em67 K emcs K rswa K rswe K Start Stop Exit When all the probes and required footswitches are indicated as activated click Stop to terminate the activation procedure Finally click Exit to return to the initial screen Selecting the work mode The first two buttons Red and Yellow allows the user to select the desired working mode button Local Holter mode button Remote Lab mode rae Local Acquisition Holter Mode LOCAL Remote Acquisition Lab Mode REMOTE BTS Bioengineering 43 3 FREECECEMO guide to the use of onboard softwa
45. on 1 0 10 Driver version 1 14 53 0 Library version 1 14 53 0 BTS Bioengineering www btsbioengineering com Options l On this page it is possible to read all the information about the versions of each installed component hardware or software BTS Bioengineering 73 3 FERECEENMULO guide to the use of onboard software General Selecting General the following screen will be visualized BTS FREEEMG Pr i 13 17 Ok Language English default v Quiet mode C Lock on capture Video off on capture C Use SD for temp data C Options E It is possible to set The language Quite mode Checking this voice the program will play without any noise instead of what normally happens when for example you Tap on a button or activate an acquisition Lock on Capture Checking this voice when an acquisition starts the BTS FREEEMG will be automatically locked showing the Unlock button Video off on Capture Checking the voice the display automatically will switch off at the acquisition beginning Choosing this option to activate the screen again a click on one of the PocketPC button is enough The use of a Secure Digital memory card to store the temp file generated during the acquisition check this voice only if there is a Secure Digital board in the related port 74 BTS Bioengineering guide to the use of onboard software FREEEIMGC Radio When Radio is selected th
46. p procedure is now finished therefore we suggest to rename the backup file created giving it a more meaningful name in particular we recommend to indicate the version number of the software To do that proceed in this way exit from the application select Start and then Programs among the installed programs choose File Explorer click on the arrow that appears on the grey bar under the title File Explorer and choose Device open the folder iPAQ File Store look for the backup file just created that will have a name like Backup_ 2007 07 15 where the date is the one during the backup time with the stylus tap and hold for few seconds on the backup file icon till when the menu appears choose rename and type the new name 1 e Backup_v50 supposing you have updated the software with the version 1 13 50 0 BTS Bioengineering 81 31 gt FREEEMOG maintenance and cleaning Periodically inspect the PDA and the slide of the receiving unit for any sions of detachment cracks or other damage Clean the external parts periodically with cleaning liquid approved for computers On the PDA monitor use a microfibre cloth only and do not use liquid detergents or solvents Contact with the skin of the patients is achieved via the pre gelled Ag AgCI electrodes which being single use disposable intrinsically guarantee a sufficiently high level of hygiene Generally you use hypoallergenic
47. plied with the onboard PDA software preinstalled and configured In any case for the first connection we suggest to perform some verifications Connection check The user PC communicates with the BTS FREEEMG by means of Wi Fi protocol trought the Access Point see Installation Verify that the local net resources are laid out like assumed in the configuration of default according to BTS the PC user IP address must assigned automatically by the Access Point Verify the software configuration installed on the PC To do so launch the program that you want to configure and on the menu bar at the voice FreeEMG select Config BTS Bioengineering Myolab Clinic Local Version Patient Session Trial Setup autem Video Help WiFi Free Download Database Create Protocol r Device Connection Dev1 IP Address fi 92 168 1 2 Port e000 Device Connection Dew2 900 X cons BTS Bioengineering 31 HS e EEMI installation Verify that the IP address and the port are set with the following connection parameters IP Address 192 168 1 2 Port 8000 If it is desired to work with more than 8 channels and there is a second BTS FREEEMG unit available check that the option Activate Second Unit appears only for BTS FREEEMG Check that the IP address and the port for the second device are set up with the following connection parameters IP Address 192 168 1
48. pplication on the BTS FREEEMG from the Start menu click on Programs search for the BISFREEEMG icon and single click it The main screen will appear BTS Bioengineering 79 FRITS FREEEMULO BTS FREEEMG updating Creating a backup image At the end of each software upgrading it is important to remember to create a backup image When this happens all the BTS settings as also the BISFREEEMG software will be lost To restore the software and bring the BTS FREEEMG to the standard configuration it will be enough to proceed with the restore of the last backup done see Appendix D Troubleshooting guide It can happen that the Pocket PC battery goes completely dead To do the backup proceed as follow exit from the BISFREEEMG application holding the button Exit for some seconds select Start and then Programs among the installed programs choose iPAQ Backup a 469335 X 4 jipaq Backup e EOQ DockWare Find Help How do I sal g HP Image HP Mobile AVAE iTask Zone Printing Options Backup Now Last Backup Date Wednesday July 04 2007 9 04 20 AM Last Backup File iPAQ File Store Backup pemg 106 with the stylus tap on Restore Now and wait the end of the backup procedure The Pocket PC will restart and then the BISFREEEMG software will be automatically reloaded 80 BTS Bioengineering BTS FREEEMG updating S PRECEMUO The backu
49. r activity for a few seconds asking the subject to make a few contractions in order to check that the electrodes have been attached correctly Digital Oscilloscope cross check The Cross Check allows the operator to verify prior to the actual acquisition of the signals that the electrodes have been positioned correctly 50 BTS Bioengineering guide to the use of onboard software 3 FREEEMUL The possibility of displaying two traces simultaneously prevents the problem of cross talk This phenomenon occurs as a detection of electrical activity on the trace of a muscle during a movement which should not involve the muscle in question Cross Check A 6 s cO DOISO Te AO A Signal R_GAM xi Time 2sec Right Tibialis anterior Probe EMG1 Right Gastrocnemius medialis Probe EMG2 Cross talk is occurring if for example during the movement of extension of the wrist one observes the activity of the ulnar carpus flexor This is due to an incorrect positioning of the electrodes as a consequence of which the channel dedicated to a certain muscle is in reality measuring the activity of another muscle In the above example the activity measured on the trace of the ulnar carpus flexor is not in reality being produced by that muscle but by one deeper down or by its antagonist To appoint the signals to visualize select the Signal 1 and then Signal 2 field with the Toggle and scroll the
50. re Clicking on the button for the desired mode you can enter the software of relative management In particular by clicking on the Local and Remote buttons you will see the following screens Database Current DB Trials Surface Surface Surface Surface Surface Surface Surface Surface Footswitch Footswitch Footswitch i Normal 4emg i Footswitch Footswitch Footswitch Footswitch Footswitch 1 03 16 7 28 N A Extra Description of the main bars and menu All of the BTS FREEEMG pages have a button bar on the right and a status bar at the top Button Bar The side arrows Toggles can be used to change the active field The up and down buttons make it possible to e change the value in the active field navigate around the main menu The menu button opens the main menu DE 06 44 BTS Bioengineering guide to the use of onboard software F REECEIC Status Bar Protocal Selection The status bar displays active page e the condition of the 4 transmitters indicated with A B C D One transmitter can serve more than one probe When a probe is transmitting the LED of its corresponding transmitter turns steady green e The status of the FSWs steady green LED if at least 1 FSW probe is active and recognised by the system battery level Main Menu Clicking on the menu button of the buttons bar you enter the main menu There are two menus one for the Holter mode
51. reen LED flashes quickly Active Connected Green LED which flashes slowly When the probe and the receiving station establish a connection the green LED begins to pulse slowly the probe is waiting for commands If the connection is interrupted the probe returns to Active Scanning mode and attempts to re establish the connection BTS Bioengineering 23 BTS FREEEMG sc compone Active Capturing Green LED which lights and goes out at regular intervals During acquisition the green LED flashes at regular intervals of approximately one second At the conclusion of the acquisition the probe returns to the Active Connected condition If during the acquisition connection to the receiver is lost the probe returns to the Active Scanning condition Probe discharged LED is off If the probe is completely discharged the LED does not display any flashing cycle and is off On off analysis optional The footswitches are useful in defining the contact points during the contact phases of deambulation BIS FREEEMG permits up to 8 basographic zones to be measured usually subdivided into 4 zones per side right and left It is therefore possible to connect 8 single switches The footswitches consist of a resistive membrane FSR technology of diameter 18 mm and thickness less than 0 5 mm expressly designed for applications in the analysis of movement The compact size of the instru ment permits a maximum of flexib
52. rom the FS fields 38 BTS Bioengineering acquisition protocol S FREECEMEL If required it s possibile to transfer the protocol through a cable connect the PC and BTS FREEEMG through a USB PDA cable click on Write Protocol to save on PC and transfer the protocol on the BTS FREEEMG Fitting the patient Carefully prepare the skin of the subject in the area to be examined before positioning the pre gelled electrodes on the muscles Attach the probes to the electrodes using the appropriate clips Thanks to the special hardware architecture of the probes and the much reduced weight normally no extra fixing is required If the analysis protocol being used requires it proceed to the positioning of the footswitches to the respective areas of the feet When FSWs are used these are fixed to the skin of the subject used tape or hyper allergen ic bi adhesive tape Never apply the tape on the black membrane of the sensor o removing the tape could cause the detachment of the membrane making the switch unusable O BTS Bioengineering 39 JI N EEEMUG acquisition protocol After positioning the sensors connect them by means of the appropriate connector to the corresponding probe Finally attach the probe and the switch box with the hypo allergenic adhesive tape close to the ankle at all times taking care to leave the patient the greatest degree of freedom of movement It s possibile at this point to verify
53. signal list included in the protocol BTS Bioengineering 5 3 e EEEMOG guide to the use of onboard software using the Up and Down buttons The current display can be enlarged or reduced via the zoom function this does not affect in any way the data being read The Time field can be used to vary the speed at which the signal runs on the screen again this has no effect on the reading but only on the display It is possible to fix the time intervals represented on the axis of the abscissas of the oscilloscope choosing from a range of values from 1 to 10 seconds Active fields Toggle Value range Select Signal 1 Protocol signals Signal 2 Protocol signals Zoom from 1 10 to x10 Time From 1 sec to 10 sec Footswitches The Footswitches page shows in real time the activation of the contact zone during the deambulation contact phase When a zone is active the foot is resting on it the corresponding circle colors is red 52 BTS Bioengineering guide to the use of onboard software E FRECEMO Footswitches Status A 6 B 6 ce D FSO TOFO 7 Left Foot Right Foot TC_Left FSA4 D TC_Right FSB4 IC_Left FSA3 IC_Right FSB3 EC_Left FSA2 EC_Right FSB2 HC_Left FSA1 amp He Right FSB1 indicated on the display and the movements done by the subject for example if with the right foot in stance the areas under the left foot of the display became red we sugges
54. ss and the part types used In accordance with Standard ISO 60601 1 the equipment has an internal power supply and the parts used are type BE Symbol on the equipment Symbol located next to the series number on the equipment 6 BTS Bioengineering icons gaber 1S FPREEEME CE 0123 Symbol on the equipment CE mark with the code of the Notified Body The CE mark certifies that the product conforms to the standards applicable in the member states of the European Union see Declaration of Conformity Acronyms used in this manual AP Access Point EMG Electromyography FSW Footswitch PDA Personal Digital Assistant RU Receiving Unit WS Workstation BTS Bioengineering F B S FREEEMG disposal WEEE In disposing of the equipment observe the legal prescriptions In accordance with Directive 2002 96 CE WEEE all equipment supplied after 13 08 2005 may not be disposed of in general domestic waste This equipment belongs to Category 8 medical equipment and is classified in the Business to Business sector The symbol of the crossed out rubbish bin indicates that the equipment must not be disposed of in normal domestic waste The regulations for disposal may differ between individual countries in the EU In cases of doubt aes refer to the respective sales outlet 8 BTS Bioengineering B S gt FREEEMG intended use This equipment is an instrument for the EMG surface analysis classified as medical equipmen
55. t in accordance with European Directive 93 42 CE The BTS FREEEMG must always be used only for this purpose by qualified persons in an environment suitable for the execution of EMG analyses and respecting the prevailing regulations in the countries in which it is being utilised Label A FREEEMO Surface emg device BIS SpA Viale Forlanini 40 Garbagnate M se MI 20024 Made in Italy vv DIS It XAXXX XXXX XXX Internally powered device BTS Bioengineering 9 B S FREEEMG warning We recommend to carry out any kind of operation keeping strictly to the security regulations contained in this manual BTS FREEEMG is a medical device 93 42 CE which use must be at all times be supervised by qualified and authorized personnel according to the laws in force in the nation it is in use The results of the acquisitions must be assessed by people legally authorised by national law who possess the suitable necessary knowledge of anatomy and muscular function The uses of the device for other purposes and with methodologies different from of those indicated in this manual are not to be considered congruent with the precise use of the device Use the product according to the usage that it has been intended Avoid connecting the probes to the charger with inverted polarity with respect to that shown on the cover of the recharger this could cause irreparable damage to them To not wet or dip in water the par
56. t you to review the If there isn t correspondence between the contact points FS channels setup selecting the menu voice Probes Setup It s possible to set the threshold activation of the footswitches to avoid false positives for example in overweight subjects or false negatives like it can happen with little children In this screen the Threshold is the only active field it is enough to use the Up end Down buttons to modify its value the lower the threshold the more accurate the footswitches will be Active fields Toggle Value range Select Threshold 0 5 100 The software uses four points of contact to reconstruct the cycle Internal Contact External Contact Heel Contact and Toe Contact BTS Bioengineering 53 FERECEENMULO guide to the use of onboard software Local button Holter Mode In this mode the RU is completely independent and it s possibile to acquire the data independently of the WS Session preparation selecting Local you can enter the patient s database on the palm Database Current DB Ji List of patients di included in the database of the BTS FREEEMG A List of sessions for the highlighted 4 1 Normal 4emg 80 0 1 75 patient ae A List of the tests of the highlighted al 03 16 7 28 N A Extra La session i Ej To add a new patient click with the stylus on New subject button a window will open which allows you to insert general
57. the display select the Remote mode by clicking on the Remote button Select Setup Probes from the menu and wait for all the activated probes to be acknowledged the respective box must be green Position a pair of electrodes see Fitting the Patient and connect Probe 1 Next select Gains from the menu and check the progress of BTS Bioengineering 33 HS e EEMI O installation the EMG1 signal Repeat the procedure connecting the other probes one at a time After checking the electromyograph channels if the system is also provided with footswitches attach the connectors of the 4 footswitches to the 2 corresponding probes After selecting from the menu the item Footswitch as shown later in Guide to using the software on the BTS FREEEMG check each contact is functioning correctly by pressing firmly each switch and observing the corresponding red LED light on the display of the BIS FREEEMG see Footswitch 34 BTS Bioengineering B S gt FREEEMG acquisition protocol Create a new protocol To create a new protocol select Prepare protocol from the menu voice FREEEMG of the software installed on the Workstation as Myolab or Myolab Clinic A window will open which allows the creation or modification of protocols PocketEmg Protocol Editor amp O re Select protocol ROM Select protocol Reload protocol Clear field Clear All V ENABLE R_APB
58. the correct positioning of the elec trodes with the function Adjust range of the main menu directly from the acquiring unit or compare two channels at a time using the Cross check function see Guide to the use of the onboard software After making all the checks it is possible to procede with the acquisition session 40 BTS Bioengineering 31 gt FREEEMG guide to the use of onboard software Initial screen At the start up of the BTS FREEEMG you see the initial screen comprised of six buttons Local Remote Download Config Activate and Exit DIS SSZENIE AN on E D BTS Bioengineering DOWNLOAD In the lower right hand corner of the main screen there is the version number of the software installed on board Active button The Active button allows only those probes to be activated which are to be used during the acquisition and to assign each of these to a specific channel BTS Bioengineering 41 3 FERECEEMUL guide to the use of onboard software Click on this button to call up the following display BTS FreeEMG indi FIEFPA ok Activate selected probes emc1 J eMG2 K emMG3 K emc4 O emes fi O emcs K O emc7 K O mes K rswa K rswe K o Start Stop Exit Select the channels corresponding to the probes which are desired for the acquisition by ticking the corresponding spaces Before proceeding to activation connect the pr
59. the radio channels utilising the probes Footswitch Footswitch threshold settings Database Database management Database Datbase managment Maintenance Section permitted only to BTS Technician staff for assistance For this reason to access this area a Password is required To execute any changes of the parts that can type on it is possible to use the touch screen features of the display and where necessary activate the keyboard clicking on the low right corner icon represented by a little keyboard To exit this application and come back to the main screen you must tap on the Ok button placed in the top right corner One tap on this button will confirm all the changes made 72 BTS Bioengineering guide to the use of onboard software E FREEEMUO It won t be possible to undo the changes made apart setting again a manually the previous values All the changes made are immediately activated therefore in some circumstance it will be necessary to restart the BISFREEEMG application to see these changes applied for example when you change the language Let s analyze now more in depth the four tabs that the user can modify Info Clicking on the Config button on the main screen it automatically selects the application screen in which the tab Info is selected BTS FREEEMG Q d 18 16 ok BTS FREEEMG Hardware version P00 00 0000 00 Hardware S N 00 00 00 00 00 00 00 00 Firmware versi
60. ts that make up the system Apply the probes only on undamaged skin 10 BTS Bioengineering warning B S gt FREEEMG Only use CE branded probes and hypoallergenic double sided tape compatible with the usage on undamaged skin for brief periods of time Periodically verify the integrity of the system and of its components In case the device accidentally falls tear of the probes or other accidents always address authorized technical support Do not undertake any kind of internal maintenance of the device in case of need always address to authorized technical support The use of any components different from the original ones declines the conformity of the device The instrument must be used in a medical environment since it has a high level of sensitivity measured voltage levels of between 10 microvolt and 10 millivolt During the preparation of the patient take particular care that the system s components do not impede in any way the normal movements of the subject In addition to the users instructions the prescriptions regarding accident prevention and technical regulations regarding occupational safety must also be complied with The appertaining national regulations and standards of the country of use with regards prevention of accidents and environment BTS Bioengineering 11 31 gt FREEEMG ee are an extension of the users instructions without notice and does not constitute product specific

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