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DiPhAS ultrasound research platform user manual

1. cccccccssccccsccccccccccscccccscccccscccccscccccccccsccccccccceeees 34 22 SOFTWARE MANUAL GRB OFFLINE TOOL ANALYSIS SOFTWARE 22 3 THE MENU BAR IEEE IEEE E NEN NON NEN 36 Dons RECEDING mrt 37 22 3 2 DATA EXPORT FUNGTIONS sea seele 37 2233 TEEINIAGE VIEW CONTEXT MENU o Seren 39 22 4 Siue Seenland 40 22 9 EHEPATIENT DATABASE las 40 22 6 EHE EINE DATA DISPLAY 42 22 7 THE PROCESSING DISPLAY sinn NEP EVEN VE EN UENE 43 22 8 FILTER CONTROLS aussen Ran nase 44 22 9 THE KEYBOARD SHORTCUTS OVERVIEW 2 henteninsin 45 22 10 CUSTOM FILTERS 45 23 APPENDIX A SPECIFICATION OF DIPHAS HARDWARE 46 29 1 TRANSMIT HARDWARE esse eis Ie ise UE 46 23 2 RECEIVE HARDWARE iniret ie tad In ade NN tad 46 23 9 IRANSDUCER SUPPORT ls 46 2354 DATA VOS INTERFACES iioc tese een 46 24 APPENDIX B SPECIFICATION OF GRB FILEFORMAT ULTRASOUND RF DATA 25 APPENDIX C SPECIFICATION OF B3D FILEFORMAT ULTRASOUND VOLUME DATA 48 FhG IBMT Page 4 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 3 Address of developer and maintainer Fraunhofer Institut f r Biomedizinische Technik Head of Institute Prof Dr GUnter R Fuhr Ensheimer StraBe 48 66386 St Ingbert Contact person Dipl Ing FH Steffen Tretbar
2. In research mode the keyboard focus is initially at the line selection trackbar and you can change the selection using the cursor keys on the keyboard directly Pressing the space bar here will toggle the selected line display in the B Mode display When selecting the excitation pulse or the pictogram you can use the cursors and the return key to select an icon without having to take the mouse FhG IBMT Page 34 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 22 Software manual GRB Offline Tool Analysis software 22 1 Functions of the offline analysis tool Load RF files from hard disc RF screenshots and RF videos Selection of single frames of RF videos Playback of RF data as video Display of device parameters transducer geometry beamforming parameters 3d Tracking positions as text Display of Scan converted image Measurement of distances and areas in B image Display of single A scans 16bit RF 15bit envelope data or 8bit amplitude data selecta ble of a single ultrasound line out of all B Mode lines Zoom and offset in B Image display Selection of Region of Interest in A scan using 4 cursors Selection of Region of Interest in B scan using the mouse User defined filtering DLL imported of measured data with respect to ROls Displaying of filtered A Scans 16bit or 8bit of selected line Zoom Function in A Scan Display Display of signal spectrum of selected A Scan and di
3. 00 15 15 SYSTEM COMPONENTS 5 3 viae v Yee ve E va e NEN E E VS EUST 16 IS MEI PCS UEUE m m 16 1 3 23 SOFTWARE esse Paesi P ees De PSOE 16 ASSEMBLY ERREUR 17 14 1 ELECTRICAL INSTALLATION e M 17 14 2 ULTRASOUND MACHINE SETUP 17 14 3 POST ASSEMBLY INSPECTION 6 deseos eoe are 17 14 3 1 ASSEMBLY OF THE DISPLAY AT THE CART Dee teo nes 17 14 3 2 CONNECTION OF CABLES AT THE BACK OF THE ELECTRONICS UNIT 18 4 3 3 ZEONNESTIONSOFDISPEAT res ee 18 14 3 4 CONNECTIONS AT THE FRONT OF THE SYSTEM esssesesssseessescossscossescosssccosescosseccosescosssecosesersssseoses 19 15 APPLICATION CONDITIONS enina a 20 16 BEGINNING OF OPERATION sisi 21 17 CORRECT USE OF THE DEVICE sense e e Y on eee eo ac aae eo rer 21 17 1 POWERING ON THE DEVICE 5 55 eco 9h eines Sera a cu Sa oa E saa Cerea eO Ry RE E RESP eU ine ura 21 17 2 CONNECTION OF ULTRASOUND TRANSDUCERG cccccccsssccccssscccccscccccccccccccsccccccccccccescccccsecccceees 21 15 MACHINE MAINTENANEE air 21 18 1 ELIM
4. Division Ultrasound AG Biomedical Applications and Imaging Telephone 0049 6894 980 226 Telefax 0049 6894 980 234 E Mail steffen tretbar ibmt fraunhofer de Internet www ibmt fraunhofer de FhG IBMT Page 5 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 4 Important Precautions Warnung THIS SERVICE MANUAL IS AVAILABLE IN ENGLISH ONLY IF A CUSTOMER S SERVICE PROVIDER REQUIRES A LANGUAGE OTHER THANENGLISH IT IS THE CUSTOMER S RESPONSIBILITY TO PROVIDE TRANSLATION SERVICES DO NOI ATTEMPT TO SERVICE THE EQUIPMENT UNLESS THIS SERVICE MANUAL HAS BEEN CONSULTED AND 15 UNDERSTOOD FAILURE TO HEED THIS WARNING MAY RESULT IN INJURY TO THE SERVICE PROVIDER OPERA TOR OR PATIENT FROM ELECTRIC SHOCK MECHANICAL OR OTHER HAZARDS il Info During and after installation the documentation i e User Manuals Installation Manuals for the peripheral units must be kept as part of the original system documentation This will ensure that all relevant safety and user information is available during the operation and service of the complete system FhG IBMT Page 6 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 5 Explanation of symbols Icons and Pictures or Icons are used wherever they will reinforce the printed message The icons labels and conventions used on the product and in the service information are described in this chapter Various level
5. f US Research Analysis Tool version 3 0 0 created 10 05 2011 c tim File Edit View Options About 7 rocessing times RF2RF Oms RF2Img 65ms Img2Img Oms Histogram of grey values in image 14 The main window in extended view mode with a image histogram Under the rf line data display is a spectral analysis of the current A Scan signal plotted in the line data spectrum area Considering the samplerate of the recorded signal and the window defined by the blue cursors in the rf line data display this plot shows the spectrum of the se lected area Holding the left mouse key a region of interest can be zoomed for visualization Drag a window with pressed left mouse button to zoom in that selected area Reset zoom by double clicking the left mouse button on the data graph to view the full signal again FhG IBMT Page 43 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 Using the right mouse button on the plotting area the context menu shows additional options like resetting the width of the display area after zooming or changing auto scaling behavior of the spectrum amplitude axis There is the possibility to auto detect maximal frequency contents and signal bandwidth in a se lected signal subset by checking the auto detect max mid and bandwidth freq option US Research Analysis Tool version 3 0 0 created 10 05 2011 bo mm File Edit View Options About 55 reset X
6. for the currently selected study below it in the data display area To add a new study use the add a new study button and an additional text input and buttons appears next to it Confirm creation Name of new study zs ci x Entering a new study name and confirming it with the button next to it will create a new sub folder as study and select it automatically To store a current still image you can use the save current screenshot button over the data display area the save image button on the device control area or the Print Button see F keys in a later chapter To open a dataset for analysis select a stored dataset with the left mouse button and click the open selected dataset for analysis button on the top right of the stored data menu The of analysis tool opens with the selected dataset and is displayed in the top area where the live scanning system images were displayed The analysis overlay can be closed using the small red button on the top left of the displayed scanconverted image FhG IBMT Page 28 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 Close offline analysis to return to live measurement system Z Fraunhofer IBMT Patient Birthdate 20 11 1953 Ofst 0 00 mm 0 X Ofst 0 00 mm Persistance 1 Data Mode 16 Bit 26 Hz 0 7cm Open selected dataset for analysis Stored dataset Selected for analysis For more information about
7. Information about recycling Fraunhofer IBMT recommends to dispose the DIPhAS system economically In order to recycle parts or the complete product we can provide additional information Please contact us for your recycling options FhG IBMT Page 13 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 11 Type plate The type plate is located on the back of the DIPhAS electronics unit To see the detailed full in formation about your DIPhAS system please refer to the type plate located at your system The type plate includes the following information about the DIPhAS system manufacturer name of the product Serial number Model number year of manufacturing ZA Fraunhofer P Ph rA mr 09 64 GPU Serial No 0006 2010 Service Number Model No 09 64 GPU Tel 49 6894 980200 Mfg Date 2011 Fax 49 6894 980234 Made in St Ingbert For service please call and Germany provide the following system Fraunhofer Institute for identification Biomedical Engineering DiPhAS 09 64 GPU 0006 Power supply voltage 230 V AC 50 Hz Power input max 2 0 A Check power supply voltage before connecting the system an example of a DIPhAS type plate In addition to the device information you will find the service contact information on the right side of the plate If you experience any problems using the system please contact the service hotline stated there FhG IBMT Page 14 of 49 Doc
8. a frame rate of approx 20 Hz This represents a cineloop function The playback auto repeat function can be toggled in the view menu or by the shortcut ctrl for loop Looping is on by default The brightness and con trast of the frame display can be adjusted if the loaded data is stored as 16 bit or 32 bit data see DIPhAS SDK Reference Manual for more details 8 bit amplitude data is already stored after logarithmic compression and only the general greylevel can be adjusted using the right leve ling slider of the display brightness setup Gain and brightness can also be charged using the mouse movement with ctrl clicked left mouse button and moving the mouse horizontal brightness or vertical gain 22 3 The menu bar The menu bar contains five different submenus The File entry provides open save print and export functions By using functions of the edit submenu the actual rf file can be edited in different ways for example by inserting data of another rf file into the current loaded file at a certain position The View section includes functions to control the view of the program like hide or show options and playback functions The Options submenu comprises a function to FhG IBMT Page 36 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 change the path of the patient database and the About shows software information and point to the IBMT homepage E US Research Analysi
9. a maintenance sheet The address of the service station is Fraunhofer IBMT Division Ultrasound Ensheimer Str 48 66386 St Ingbert Germany Tel 0049 6894 980200 FhG IBMT Page 21 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 18 1 tl Eliminations of errors Achtung If errors occur during normal use you are not allowed to use the system before contacting the service station 18 2 Training of users Achtung To use this system you have to be familiar working with other electrical laboratory devices and experimental setups It may only be used by persons trained in using the system by Fraunhofer IBMT members 19 Hazard note 1 The system may only be used after training DiPhAS must be send back to Fraunhofer IBMT for correct and complete cycling 3 The system may not be used without transducers 4 The assembly of the system may only be done by trained personal 5 The system may not be used with damaged or open housing FhG IBMT Page 22 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 20 Periodic Maintenance Inspections It has been determined by engineering that the DiPhAS ultrasound research system does not have any high wear components that fail with use therefore no Periodic Maintenance Inspec tions are mandatory Some Customers Quality Assurance Programs may require additional tasks and or in
10. ax s v autoscale Y v autodetect max mid and bandwidth freq save spectrum as image the processing chain and configure parameters here RF line data spectrum context menu filename C Users Rechenknecht Desktop Christoph Neu Projekte GPU Programmierung GR processing times RF2RF Oms RF2Img 72ms Img2img Oms 15 The main window in extended view mode with RF line dat spectrum context menu The selection done by the frequency cursors can be used for bandpass filtering of the signal On the other hand the auto detection of selected parameters can be turned off and a fix bandpass can be selected and applied to all incoming signals The graph content can be stored to hard disc as image Tile as seen on screen or as a Set of val ues in GNU plot format for additional plotting possibilities 22 8 The custom filter controls Using custom filters can be done on the bottom right of the main window There is an area for custom filter management adding removing ordering and an area for the actual filter to be displayed and parameterized The custom filters that are integrated in the system can be added here to the processing chain For more information about custom filter development please refer to the chapter custom fil ters FhG IBMT Page 44 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 US Research Analysis Tool version 3 0 0 created 10 05 2011 ced File Edit Vi
11. image data The data can be stored in DICOM format in different file formats The export complete rf file as DICOM series function exports the content of the loaded rf data file in DICOM standard writing a time series of all frames DICOM video data time series with ultrasound image modality The export complete rf file as DICOM volume function exports the content of the loaded rf data file in a DICOM standard writing all frames as volume slices with slice thickness based on y position change between slice O and slice 1 If no 3d data is available the in slice pitch is used as 3d slice thickness Export complete rf file as image sequence writes a set of image files to disc jpg generating an image file for every frame in the rf data file The image file are numbered with its corres ponding GRB slice number Frame subset into new rf file opens a small dialog window to edit the subset of frames to be exported into another rf data file grb dat suec extract begin frame extract end frame compute frame extraction 6 frame subset into new rf file window The number of the first and last frame to be extracted can be entered here and a click to the compute frame extraction button will write a new rf data file to disc including the selected data subset This can be used to extract a sequence of interest into a new file FhG IBMT Page 38 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 A
12. keyboard for device control It is possible to use the keyboard for common commands like data storage or patient selection A graphical shortcut visualization is included in with the software that can be used above the function keys F keys The image printed with a size of 360x30mm fits perfectly over the tion keys of acommon Cherry keyboard Device Research Patient Depth Depth Gain Gain A 3 8 bit control Mode select i E i Using the checkbox use keys in the device control section these shortcuts are translated in the described functions SMO quits the application Escape Esc opens the device control in the menu area F1 opens the stored data in the menu area F2 opens the research mode in the menu area F3 opens the patient selection menu as dialog overlay F4 stores the current frame as still image in current selected study F5 stores the cinebuffer as video data in current selected study F6 opens the excitation selection dialog as overlay F7 opens the pictogram region selection dialog as overlay F8 decreases the recording depth F9 increases the recording depth F10 decreases the overall gain F11 increases the overall gain FIZ prints the current frame on the default printer installed in the windows system Print Screen changes the acquisition mode from 8bit to 16bit or vice versa Scroll freezes or unfreezes the data acquisition pause unpause Pause
13. window in image view mode f US Research Analysis Tool version 3 0 0 created 10 05 2011 o jt Ede Menu bar Scanconverted data display as image Display brightness setup Frame playback toggle Frame number data file frame selection 2 The main window in image view mode including playback controls You can toggle between these mode using the show hide processing and filters ctrl f entry in the view submenu To begin analyzing rf data file you have to load it using the open RF data entry in the file submenu in the menu bar and selecting the grb file in the open file dialog The loaded rf data is displayed using the scan conversion suiting the data representation of the file and one line of the data A Scan is displayed on the top right if extended view mode is used The spectrum of a selected window area is displayed below in the line data spectrum plot In GRB rf data files with more frames inside a file the current frame to be displayed and processed can be selected using the rf data file frame selection slider under the image display area and the corresponding frame will be loaded as soon the slider gets moved The current frame number and the rf data filename is displayed at the bottom of the application window Using the frame playback toggle button next to the rf data file frame selection slider ctrl space all frames in the currently loaded file can be played at
14. your service personnel Fraunhofer IBMT is not responsible for any interference caused by using other than recommend ed interconnect cables or by unauthorized changes or modifications to this equipment Unau thorized changes or modifications could void the users authority to operate the equipment Achtung Do not use devices which intentionally transmit RF signals cellular phones transceivers or radio controlled products in the vicinity of this equipment as it may cause performance outside the published specifications Keep the power to these type devices turned off when near this equipment Keep power to these devices turned off when near this equipment Operating staff in charge of this equipment is required to instruct technicians and other people who may be around this equipment to fully comply with the above regulation The user should never modify this product User modifications may cause degradation in EMC performance Modification of the product includes changes in Cables length material wiring etc e System installation layout e System configuration components e Securing system parts cover open close cover screwing Operate the system with all covers closed If a cover is opened for some reason be sure to shut it before starting resuming operation Operating the system with any cover open may affect EMC pertormance FhG IBMT Page 12 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 A
15. DiPhAS Ultrasound Research Platform 19 August 2011 ZA Fraunhofer IBMT DIPhAS Digital Phased Array System Ultrasound Research Platform User Manual gt Fraunhofer IBMT Author Steffen Tretbar Dr Holger Hewener Document identifi DIPhAS research platform DiPhAS 64 GPU Manual cation Document number B7 0 01 01 Date 18 08 2011 Document man Released and approved by Hewener at 18 08 2011 agement Distribution to all DiPhAS Users This document is distributed to the above listed people only This document contains project confidential information and must be treated as such FhG IBMT Page 1 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 Dear user this manual describes the usage of the experimental ultrasound research system DiPhAS The system may only be used by trained personal based on the information in cluded in this manual The users must have knowledge of ultrasound imaging and must be trained in using ultrasound devices This manual is part of the ultrasound research platform To avoid damage to users please ensure that the safety guidelines of this ma nual are fulfilled Thank you Sincerely Fraunhofer IBMT Fraunhofer IBMT DiPhAS 1 Document history Date Ver Applies to Reason modification sion page s 26 10 2009 20 07 2011 Added Addedinformation 18 08 2011 3 0 Added Ll about cart included software doc
16. INATIONS OF 22 18 2 TRAINING OF USERS 22 19 HAZARD NOTE aut ed eeu ide Dua eae tuia eU eun Ce ve ee V E EYE SE UNE VENENIS EU UNS UN MEE 22 20 PERIODIC MAINTENANCE INSPECTIONS e eee eee ee eee eee ee eee eee eene esee enoos 23 FhG IBMT Page 3 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 21 SOFTWARE MANUAL USPILOT 4 RECORDING SOFTWARE 2L D EIST OF FEATURES 24 21 2 STHEMAIN SCREEN ee e 25 213 THE DEVICE CONTROL AREA u este 26 21 4 THE STORED DATA AREA PATIENT MANAGEMENT DATA EXPORT FUNCTIONS 28 21 5 THE RESEARCH MODE AREA ANALYSIS AND CUSTOM FILTERING ccccccssccccssccccsscccccscccees 20 21 6 THE TRACKING CONTROLLER AREA SETTING UP 3D IMAGING eee eee eee ees etes essence 30 21 6 1 SETTING UP THE TRACKING PARAMETERG cccsssccsscccsscccsscccssccessccsscccsscccssccessccessccesccesscess 30 26 2 USING CORRECTIONIVIA PRICES 2355uuesieste ettet tores eM Beh 31 21 6 3 3D ACQUISITION COORDINATE SY STEMS 32 21 7 USING THE KEYBOARD FOR DEVICE CONTROL
17. Patient Birthdate 28 07 2011 Gain 30db 30db Frequency 0 3 53 MHz Pulse repetition PRF 2072 Hz Scanlines per slice 97 o Imaging Slices per second fps 21 0 Depth 11cm 0 Zoom x1 offset 4 6 0 0mm processing times RF2RF Oms Rf2lmage 13ms Image2lmage Oms Persistance 1 Data Mode 8 Bit Tracking Temperatures 0 position data available BF Board 0 1 C BF Board 1 1 C 188 acoustic output MI 1 0 TI 1 0 tracking control M T 2 save current save current position to file D i 5 position to file refresh ms 20 Y save current save current position to file position to file Status stopped Device DiPhAS Dummy v 0 3 USPilot 4 10 Thursday 18 08 2011 16 44 23 0 use a static correction matrix compensate the shift and even rotation between the sensor position at the transducer and the image plane imaged by the transducer you can Input a cor rection matrix after hitting the edit button next to the correction matrix checkbox The TrackingCorrectionEditor appears FhG IBMT Page 31 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 You can enter a correction matrix by hand or import a previous entered matrix by using the import button imported correction matrix To use the correction matrix just check the correction matrix checkbox next to the edit but ton and you ll see the posi
18. RF2Img 72ms Img2lmg 0ms 13 The main window in extended image view mode with the RF line data context menu FhG IBMT Page 42 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 The show selection in B Image can be checked to display white marked line in the left scan converted data displayed as image area showing the line selection done using the line selec tion slider The two options show original data line and show processed data line can be checked to see the input data line in green and the processed data if available after custom filtering in purple in the rf line data display graph Furthermore you can adjust how the data will be displayed Using a data file recorded as 16 bit RAW data you can choose between 16 bit raw data display with high dynamic 15 bit data after envelope computation and 8 bit amplitude data after logarithmic compression and you can change the unit for the graphs between samples time us and In addition there is a auto fit mode of the cursor to the graphs The graph content can be stored to hard disc as image Tile as seen on screen or as a Set of val ues in GNU plot format for additional plotting possibilities 22 7 The processing display Using the image histogram selection in the line data spectrum view a grey value histogram 15 shown in the scan converted image giving information about the homogeneity of grey levels in a single image
19. These presets are stored in the preset folder default c presets and if there is a preset available for the selected transducer the first preset found is used as starting pa rameter values Changing the selection of this preset combo box will stop the system and start it again with the values defined by the newly selected preset To store a new preset using the currently selected scanning parameters click on the preset se lection combo box with the right mouse button enter name in the appearing context menu for the preset and click on the save button below the name input with the left mouse button to create a preset setting file with the current settings in the preset folder The Data Mode combo box lets you select between 8bit amplitude data acquisition 16 bit RF data acquisition and single element channel data acquisition Please refer to the DIPhAS SDK Reference Manual for more information about the acquisition modes The TGC controls are used to the systems receiving time dependent this way depth depen dent amplification of measured data The 8 sliders range from Odb up to 40 db but an overall gain with additional Odb up to 40 db is available in the middle of the device control area Using the buttons and on top of the TGC slider array you can switch between several predefined TGC settings including linear increasing and constant gain Using the imaging settings combo box you can select the imaging mode in a selecti
20. al version number 3 1 One File contains one or more frames consisting of the following data in binary format Geometry data FhG IBMT Page 46 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 float global position data Int 50 bytes 14 bytes int int int float fixed id 8199 desc Calibration2 Data new 0 0 0 Transducer Name in char s transducer type 1 Linear 2 curved number of lines number of samples per line samplerate in Hz mm per sample for each of the n line float float float float float float Int 60 bytes Float 3 float 3 float 3 float 3 float x Position of Line in mm y Position of Line in mm linear 0 z Position of Line in mm linear 0 direction of line x component direction of line y component direction of line z component fixed Id 8193 empty string of length 60 characters focusing position in millimeters for mechanical focusing systems Cartesian coordinate system of frame origin 1 column of rotation matrix 2 column of rotation matrix 3 column of rotation matrix additional information 8 Byte Byte 4 Byte Byte Int float float float 30 bytes Byte Byte Byte Byte 26 bytes FhG IBMT 8 TGC values each Byte 0 80 voltage in V 4 focus positions in mm max 256mm unused fixed id 5 mid frequency of excitation in Hz burst length in cycles sca
21. be securely connected to the DiPhAS research platform Do not substitute parts or modify equipment Because of the danger of introducing additional hazards do not install substitute parts or per form any unauthorized moditication of the equipment Do not use this equipment if a safety problem is known to exist Have the unit repaired and per formance verified by qualified service personnel before returning to use To avoid injury Do not remove protective covers No user serviceable parts are inside Refer service to qualified service personnel assure adequate grounding connect the attachment plug to a reliable hospital grade grounding outlet e Never use any adaptor or converter of a three prong to two prong type to connect with a mains power plug The protective earth connection will loosen e Do not place liquids on or above the console Spilled liquid may contact live parts and in crease the risk of shock Warnung Explosion warning Do not operate the equipment in an explosive atmosphere Operation of any electrical equip ment in such an environment constitutes a definite safety hazard FhG IBMT Page 10 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 8 3 Mechanical Safety I Warnung Always lower the LCD before moving the system around Lt Achtung Keep the heat venting holes of the electronic box unobstructed to avoid overheating of the sys tem Acht
22. e double 8 byte double FhG IBMT referencelO O 11 O 21 0 referencelO 1 reference 1 1 referencel2 1 referencelO 2 referencel 1 2 referencel2 1 2 Page 48 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 8 byte double 8 byte double 8 byte double 8 byte double 8 byte double 8 byte double volume data block referencelO 3 referencel 11 3 referencel2 3 number of voxels of volume in x number of voxels of volume in x number of voxels of volume in x n bytes unsigned 8 Bit Voxeldaten x Komponente fastest FhG IBMT n dim x dim y dim z Page 49 of 49 Document Nr 7 0 01 01
23. e view mode with uniformity computation 22 4 Measurements The user can make measurements of distances at any time by holding down the shift button and dragging a line while having the left mouse button pressed The system will visualize the line measured between the beginning and the end and will output the distance in millimeters next to the cursor position US Research Analyss Tool version 3 0 0 created 24 05 2011 i File Edit View Options About filename Rechenknecht Desktop HH Phantom _16bit_207Slices grk 9 The main window in image view mode with measurement of distances in the image 22 5 The patient database By using the show database option in the view submenu the graphical user interface is ex tended at the bottom by the patient data browser FhG IBMT Page 40 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 Patient information Select patient button Patient data browser 11 0 3 Agrb processing tenes FF IF Oma F Anm Om J Selected stud Data sets y 10 The main window in extended view mode with the patient datbase window A patient can be selected by using the select patient button The patient list from database window is opening The patient list shows the different patients of the database with additional information like birth date number of studies etc There is the option to select all
24. ea to the default printer installed in the system This option can be used on standard medical printing devices for documentation but general office printers can also be used to output just the image on prints Other export functions can be selected in the menubar under File Export FhG IBMT Page 37 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 US Research Tool pwei 3 0 0 created 10 05 7011 coo dn Edit View Options About Open data Serge C otras P Smvecutputsmsge Strg 5 Export Exit Data export selection tename Ch Users Rechenkmechit DerktepiChnstoph Meu Progeste GPU Pregramaraeungk 5 The main window in image view mode with the export functions The export 3D reconstruction function exports the complete rf file as reconstructed 3D file The volume will be stored in b3d format and additional reconstruction parameters can be ad The export position only option creates an Amira point cluster including just the frame boundary positions For detailed information about 3d imaging please refer to the 3d ul trasound framework manual The export current frame as textfile exports the current displayed frame as textfile for using it in external programs The export current frame as DICOM still function exports only the content of the current dis played frame in a DICOM standard file as ultrasound still
25. ent o Definition of new studies o Display of data sets of a study in the form of thumbnails o Open of data sets after selection in the offline analysis tool FhG IBMT Page 24 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 21 2 Patient information Scan information 11 TGC line visual Depth and focus indicators Menu selection Menu area changes with menu selection change using combobox above The main screen Patientname untitled patient Gender Neutrum Patient Birthdate 19 07 2011 Pulse repetition PRF 1677 Hz Scanlines per slice 97 Slices per second fps 17 processing times RF2RF Oms Rf2image Sms Image2lmage Oms Temperatures 0 1 C BF Board 1 1 C acoustic output MI 1 0 Th 1 0 device control Transducer selection a Curved ja Linear Depth m Phased 1 Array 1 Volts Im Phased TI Array 2 m Phased T2 Gain a i Frequency MHz 16 0 Focus xt 1540 Persistance length Moon gt 01i imaging Status running Displayed scan B image freeze Device DIPhAS Dummy v 0 3 USPilot 4 1 0 Display greymap 2 Fraunhofer IBMT Transducer 0 Linear Gain 40db 40db Frequency 0 5 00 MHz Scan information Imaging 0 Depth 6cm 0 Zoom x1 offset 0 0 0 0mm Persistance 1 Data Mode 8 Bit Tracking 0 NO position data Gra
26. ew Options A bout Custom filter add remove Filter order change Custom filter display area 16 The main window in extended view mode with processing filter panel Using the button a combo box is displayed with the possibility to select one of the found fil ter classes implementing the IFlIterDlg interface in the application folder Any dll and exe NET assembly will be searched for suitable implementations and added to the combo box Us ing select to add the filter to the processing chain will insert an entry in the list box on the main window If there are more filters added to the list then the order can be changed by using the Filter order change buttons to move a filter up down Selecting a filter in the list box will show the filter window on the right and allows the parameterization of each filter using for processing 22 9 The keyboard shortcuts overview Command Shortcut Loop playback Ctrl L Show hide scan information Ctrl Change gain Ctrl left mouse key hold move mouse horizontal in B scan image display Change brightness Ctrl left mouse key hold move mouse vertical in B scan image display Measure distance in image Shift left mouse key hold drag to end point of measurement 22 10 Custom Filters This chapter will be included in a future release Please contact us directly for more information FhG IBMT Page 45 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Resea
27. ideo button next to the save current button The video data stored ranges from the trackbar posi tion to the right of the slider if the trackbar is pulled back in time If the slider is in default posi tion most right after freezing the image then the complete cineloop is stored in the patient s data The print current buttons outputs the current displayed image on the default printer of the system if attached Using the excitation selection menu and the pictogram selection menu you can specify the region investigated and change the excitation pulse AbdomenF tort domenLelt AbdomenRight menB a 2 ll N Kr UC J UM igh LegRigh Available pictograms Available excitations NeckRight NeckLeft Shank EA R Liver Pancreas Lungs select Use selected Use selected excitation pictograms The patient selection menu opens the patient list overview that can be used to select an exist ing or create a new patient data record These patient data records are stored file based on the hard disc as JPG images low compression and RF data Tiles GRB and managed by several XML files Default location for the patient database is c patientdatabase To reset the database you can delete the complete content of this directory to start with an empty database The patient list dialog contains a grid of available already created patients on top including in forma
28. king controller area Setting up 3d imaging This area can be selected as 4th entry of the dropdown menu and represents the setup of at tached tracking systems The research platform supports the electromagnetic tracking system driveBay or trackstar by Ascension and the optical tracking system Polaris and Spectra made by NDI Northern Digital Inc 22 Fraunhofer IBMT Transducer Patientname untitled patient 0 Curved Gender Neutrum Patient Birthdate 28 07 2011 Gain 30db 30db Frequency 0 3 53 MHz Pulse repetition PRF 2703 Hz Scanlines per slice 97 Slices per second fps 27 Imaging 0 Depth 13cm 0 Zoom x1 offset 4 5 0 0mm processing times RF2RF Oms Rf2lmage 9ms Image2lmage Oms Persistance 1 Data Mode 8 Bit Tracking Temperatures 0 NO position data BF Board 0 1 C BF Board 1 1 C mE NE NL E BE AM a EE A acoustic output MI 1 0 TI 1 0 tracking control M 5 1 NON decennio prina M enable J corection matrix reference Word save current save current position to file position to file a mm refresh ms 20 Y save current save current NEN position to file position to file Status stopped Device DiPhAS Dummy v 0 3 USPilot v 4 1 0 Thursday 18 08 2011 16 42 37 21 6 1 Setting up the tracking parameters After pressing initialize the status LED at the front of the driveBay system will change to
29. le attached to extra graphics adapter keyboard and mouse 2x USB at any USB connectors one of the power cables of the cart to the DiPhAS power connection optional Ethernet plug for network integration E LI EM 2 2 ww p 14 3 3 Connections of display The display connection DVI video power are made correctly behind the display connector cap FhG IBMT Page 18 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 14 3 4 Connections at the front of the system Ultrasound transducer and 3d tracking system are connected correctly Transmitter field generator to lowest connection at the tracking systems ultrasound transducer at left transducer connection transducer sensor at 3d tracking sensor connector 1 and pointer at 3d tracking sensor connection 2 Achtung The system may only be used if powered using the integrated power cable of the cart Only this way the insulation transformation is used correctly FhG IBMT Page 19 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 15 Application conditions tl Achtung The system may only be used at room temperatures between 10 C 40 C Achtung The system may only be used at relative air humidity between 30 and 75 tl Achtung The system may only be used at an air pressure between 700hPa 1060hPa These conditions also apply to the transportation and storage of
30. liar with all hazard voltages and high current levels to avoid accidental contact tl Achtung Use all Personal Protection Equipment PPE such as gloves safety shoes safety glasses and kneeling pad to reduce the risk of injury FhG IBMT Page 8 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 8 2 Electrical Safety Follow these guidelines to minimize shock hazards whenever you are using the DiPhAS platform The system is equipped with a three conductor AC power cable This must be plugged into an approved electrical outlet with protective ground If an extension cord is used with the system make sure that the total current rating of the system does not exceed the extension cord rating The power outlet used for this equipment should not be shared with other types of equipment Both the system power cable and the power connector meet international electrical standards A damaged probe can also increase the risk of electric shock if conductive solutions come in contact with internal live parts Inspect probes often for cracks or openings in the housing and holes in and around the acoustic lens or other damage that could allow liquid entry Become familiar with the probe s use and care precautions outlined in Probes and Biopsy Achtung Ultrasound transducers are sensitive instruments which can easily be damaged by rough han dling Take extra care not to drop transducers and avoid contact wi
31. ling factor for amplitudes patient name max 30 char s Pictogram ID Pixel X Position of Pictogram 0 70 Pixel Y Position of Pictogram 0 70 Angle of Pictogram 0 180 not used yet Page 47 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 ultrasound rf data Int fixed id 12289 64 bytes desc BScan Data 0 0 0 int number of points int number of lines int Bytes Per Point 1 for 8bit 2 for 16bit 4 Tor 32bit n bytes Ultrasound Data 8bit Bytes 16bit signed short 32bit signed float n points lines bpp timestamp Int fixed id 5 64 bytes desc TimeStamp90oNONO NO unsigned int64TimeStamp GRB files with multiple frames simply attach one frame after another in binary format on hard disc All variable sizes are 32bit system sizes 25 Appendix C Specification of b3d fileformat ultrasound volume data One dataset Volume consists of two blocks in the following order general volume data information volume data The single blocks consist of general volume data information 100 unsigned byte Volume desciption comment 64 bytes desc Calibration2 Data new NONO AO 8 byte double measurement of volume in x mm 8 byte double measurement of volume in y mm 8 byte double measurement of volume in z mm Reference matrix of volume in column order 8 byte double 8 byte double 8 byte double 8 byte double 8 byte double 8 byte double 8 byte double 8 byt
32. n area On the bottom of the screen below the menu area there are additional information about the system operating status status output software version device version information and the current date and time FhG IBMT Page 25 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 21 3 The device control area Excitation selection menu it E Open patient mage settings reset selection database Compare mode 2B visualization TGC controls device control v Curved Transducer list Depth Voltage 5 set Transducer selection ase IT Gain Focus Transducer settings tiequency Dag c SoS m s 1540 Persistance length B Freeze button mE Save current Pruint current Pictogram selection menu Despeckle filtering settings The device control area allows parameterization of the scanning and preset usage The system detects the attached transducers at runtime and presents detected and known transducers in the transducer list using its qualified unique name If only one transducer is attached to the system the systems starts using this transducer by default If more transducers or transducer apertures are detected the user has to select the transducer first and starts scanning with the button set The presets found for the transducer highlighted in the transducer list are shown in the preset selection combo box
33. nel Data 16bit RF Data 16bit RF Data after Beamforming or 8bit amplitude data Start Stop Freeze of operation e Cineloop function for video recording and playback e Setting of TGC using 8 sliders Usage of TGC predefines Changing recording depth e Change of focusing number of focus 1 2 4 depth and distance between adjacent fo cus e Selection of imaging mode normal mode High Speed Mode Small Mode High Resolu tion Mode e Visualization of scanconverted image e Visualization of A Scan 16bit or 8bit of a measurement line mouse selectable e Selection of pictograms to document the measurement region 2B visualization of a live and still image to compare different slices e Storage of screenshots as image data JPG and RF file GRB with a frame e Record of image sequences and playback of stored sequences in cineloop e Storage of a video as video file AVI with arbitrary compression and settings and RF file GRB with several frames e Storage as DICOM data set single image sequence optionally if the DICOM module is selected e Print of freeze images to your default printer or medical BW printer optionally available e Usage of external programmable filter algorithms on the basis of image or RF for online operation e Parallel visualization of live filtering and of the live B image side by side e File based patient management in the local system o Selection of a patient of the patient overview o Creation of a new pati
34. on of im age size and line density You can choose of normal highres double line density small limited field of view and highspeed normal view area but with half the line density Chang ing this value will cause the system to pause loading the new settings before restarting again The values of recording depth and voltage are dependent of the maximum settings specified for the current transducer and can be changed by dragging the sliders The focus position can be changed to different depths and the number of focus points can be selected of 1 2 or 4 focus points The focus distance can be adjusted using the slider between the focus position and focus count Using the persistence feature below the focusing settings the signal can be improved by averag ing up to 10 frames over time Note that the result is more blurry caused by the averaging of FhG IBMT Page 26 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 echoes over time but a high persistence value can eliminate system noise on static measure ments without movement In the middle is the freeze pause button to pause the systems recording for further in detail viewing or analysis If the system is paused a trackbar slider will appear over the freeze button that allows rewinding the last recorded frames as a cineloop Single frames of this cineloop can be stored separately or the complete cineloop can be stored using the appearing store v
35. patients by using the select all button or select one patient by using the open button Using the de lete selected button every patient selected by using the correspondent check box in the list is deleted from the patient database patient list Open patient button Select all button Delete selected patient button 11 The patient list from database window The browser contains information to the patient different data sets and the name of the study If there is more than one study the user can choose a study from the drop down list By using the button a new study can be add to patient and can be filled with data afterwards Double click of the left mouse button on a data set opens the selected data set in the main screen FhG IBMT Page 41 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 22 6 The line rf data display you use show processing and filters mode the top right shows an A Scan displaying a single line from the data frame in the rf line data display area data display A Scan US Research Analysis Tool version 3 0 0 created 10 05 2011 sam S File Edit View Options About Te oe t dn Line selection Nm slider Line position information add fers in the processing chain and configure parameters here T em t nin filename CAUsersRechenknecht Desktop Christoph NeuP
36. phical information area excitation pictogram Be Tuesday 19 07 2011 15 55 36 Status output Device version information Current date time The main screen is divided in different party for device control and visualization of information or measured data The bottom third of the screen is used for menus like the device control stored data view or ad ditional research mode information The user can change between these menus using the menu selection combo box on the left side or by using the keyboard F shortcuts described below in section using the keyboard for device control The top area Is for visualization of system parameters and measured scanconverted data in im age representation On the top left general information about a selected patient or subject is displayed including the full name gender and birth date The middle area shows the image re presentation of the scanned area in brightness mode A TGC indicating line the focus setting using a white arrow and distance markers circle every cm a white rectangle for every 5cm are displayed on the left side of the image On the right next to the scanning image there is a greymap representing the currently used mapping The transducer information including the scanning settings is displayed on the right side of the window scan information and below it there are two images visualizing the used excitation and scanning region as pictograms in the graphical informatio
37. rch Platform 19 August 2011 23 Appendix A Specification of DiPhAS Hardware 23 1 Transmit hardware Number of transmit channels 64 Max Output voltage 120 Vpp 50 Ohm Max Output current peak peak O 4A Transmit pulse Form rectangular bipolar Burst1 Burst3 und Burst8 Digitalization resolution 8 3 ns Number of output voltage steps D Minimal Beamforming delay resolution 8 3 ns midfrequency of transducers 10 MHz Number of transmit focus 4 23 2 Receive Hardware Number of receive channels 64 Input bandwidth 6 dB 10 MHz Analog Gain 42 dB fix Gain 12 dB dyn TGC 30 dB Digital Gain 40 dB A D conversion 12 Bit 40 MHz per channel Max recording depth 20 23 3 Transducer support Types phased curved linear custom transducer with known geometry pitch and trans ducer pin out Number of transducer connectors 2 Number of channels per connector 64 The pin out of ultrasound transducers is predefined by IBMT and can be adapted to other ultra sound transducers using separate connector adaptors 23 4 Data I O Interfaces The system uses High Speed USB 2 0 connection for data acquisition and programming and 15 connected a PC with Mini ITX form factor It uses AGByte main memory and a Core 2 Quad processor with a 128 GByte solid state disc drive for data storage and the Windows 7 64bit operating system 24 Appendix B Specification of GRB fileformat ultrasound rf data Intern
38. rojekte GPU Programmierung GR processing times RF2RF Oms RFZlmg 72ms img2Img Oms 12 The main window in extended image view mode You can select witch single line is displayed by using the line selection slider under the graph itself The rf line data display will refresh automatically when dragging the slider to a new line The line position information displays the position of the physical start point of each line and the direction vector the line and therefore the mechanical ultrasound wave is propagating The val ues are referenced to a local in frame coordinate system that usually has its origin at the starting point of the middle line linear or phased transducer or at the center of the curved circle regard ing the radius of the transducer convex transducer Using the right mouse button on the rf line data display shows the context menu with addi tional settings for the data visualization US Research Analysis Tool version 3 0 0 created 10 05 2011 File Edit View Options About u Ic m 9 M Amer m x show orginal data line show processed data line v rf display style envelope display style amplitude display style save snapshot as image RF line data context menu add fiters in the processing chain and corfigure parameters here nr 45 filename C Users Rechenknecht Desktop Christoph Neu Projekte GPU Programmierung GR processing times RF2RF Oms
39. s Tool version PI created 10 05 2011 vo File Edit View Options About 3 gt Tua eo ee un ee E 3 Menu bar in the main window in extended image view mode 22 3 1 The edit menu US Research Analysis Tool version 3 0 0 created 10 05 2011 x File Edit View Options inser rf cata file after current position ascar display ANA 4300 1500 IE 4200 8200 mm 10 mm ell mm 30 mm 40 mm FO mm Cursor value x y 1 i line geometry data depth mm mm v Ine 81 57 fj offset 14 40 000 0 00 TIMING IN directions 0 00 0 00 100 lt add filters in the processing chain and configure parameters here filename C Users Rechenknecht Desktop Christophi Neui Projekt GIU Programmierung GR processing times RF2RF Oms FF2Imq 57 Imgalmg Oms 4 The main window in the extended view mode with the edit menu 2232 Data export functions Using the data export functionality in the file menu you can export a single screenshot as image file standard JPG image file without compression for good image quality You might change the image display components drawing scale See below for more information about disabl ing view elements in the B scan You can also use the ctrl s shortcut to save the current B scan view Print output image to medical printer in the file submenu will output the image seen in the image display ar
40. s of safety precaution messages may be found on the equipment and in the service information The different levels of concern are identified by a flag word that precedes the pre cautionary message Known or potential hazards are labeled in one of these ways Achtung Danger is used to indicate the presence of a hazard that will cause severe personal injury or death if the instructions are ignored Warnung Warning is used to indicate the presence of a hazard that can cause severe personal injury and property damage if instructions are ignored Achtung Caution is used to indicate the presence of a hazard that will or can cause minor personal in jury and property damage if instructions are ignored il Info Notes are used to provide important information about an item or a procedure Be sure to read the notes the information contained in a note can often save you time or effort The manual of the DiPhAS research platform is available only in English language at the mo ment FhG IBMT Page 7 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 6 Damage in transportation All packages should be closely examined at time of delivery If damage is apparent write Dam age In Shipment on ALL copies of the freight or express bill BEFORE delivery is accepted or signed for by a representative Whether noted or concealed damage MUST be reported to the carrier immediately upon disco
41. solid orange for a short time The UI will not responsive for a while approx 8 seconds until the initialization is finished After the initialization the sensors to be read can be enabled by checking the enabled check box The first sensor is enabled as default Additional sensors can be enabled manually Sensor ports that have no sensor attached to and are enabled will return an invalid matrix filled with O s FhG IBMT Page 30 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 Pressing the green start button will start the position acquisition The position of the first sensor will automatically be included in the rf data stored by the USPilot 4 software in the cineloop buf fer or written to disc if stored The data of any sensor can also be written to disc using the se lect file button in the trackers groupbox first and specitying an output file After this each press on the save current position to file button will append the current position matrix row after row in the specified texttile 21 6 2 Using correction matrices It is possible to use a second sensor as reference sensor and store all position information with reference to the second sensor To do so you can select the reference coordinate system Tor each sensor to be the world the transmitter or one of the other sensors Z Fraunhofer IBMT Patientname untitled patient xo mu p Transducer Gender Neutrum 0 Curved
42. spections at a different frequency than listed in this manual Please contact Fraunhofer IBMT for more information about hardware inspections quality assurance and software updates 5 IT m see EEE A Console Leakage Current ER Checks y Peripheral Leakage Current Surface Probe Leakage Current Aes Checks y Endocavity Probe Leakage Cur Measurement Accuracy Checks Probe Phantom Checks LI Quarterly or Annually Table Customer Care Schedule Leakage current checks can be performed by Fraunhofer IBMT Please contact service hotline for testing possibilities FhG IBMT Page 23 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 21 Software manual USPilot 4 recording software 21 1 List of features This software package includes the Ultrasound Research Offline Research Tool C to load and analyze single or sequence RF data frames from the hard disc Furthermore this tool implements the plug in filter concept and adds the possibility to implement new filter algorithms in the offline tool Functions of the DiPhAS operating system software Automatic detection of connected transducers and selection of one of these transducers for operation mode Selection of excitation pulses Burst1 Burst3 Burst8 and its variations including different voltage levels at transducer mid frequency Selection of data mode Chan
43. splay of maximum frequency mid frequency and bandwidth for further filtering Display of selected A Scan line in scan converted B image e Export of line data as text data for external programs as DICOM File as 3D recon structed File required 3D position data Export of A scan diagrams as GNUPlot and image file e Browsing a local file based patient database and opening its content This software uses keyboard shortcuts a lot to speed up the user experience Please refer to the keyboard shortcut below to see a full shortcut list 22 2 The main screen The Ultrasound Research Analysis Software consists mainly of one window displaying the ultra sound data as image and signals You can see the main window here Menu bar RF line data display A Scan Scanconverted data display as image Line data spectrum Display brightness setup segement selection possible Frame playback toggle Cusotm filter display area Frame number Custom filter Pr RF data file frame selection 5 processing order editor 1 The main window including processing visualization FhG IBMT Page 35 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 This window will be opened if you start the application using the application shortcut on your desktop or the start menu and loading an rf data Tile ctrl o If you start the software by double clicking an grb rf data file you will start in the same
44. t4 and GRB Offline Analysis Tool A detailed ma nual is included later in the manual FhG IBMT Page 16 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 14 Assembly 14 1 Electrical installation Warnung The installation at site and the training of users may only be done be trained persons This train ing must be done by Fraunhofer IBMT Verify that the scanner is set to the correct voltage The Voltage settings for the DIPhAS system is found on a label located near the AC adapter The default DIPhAS system voltage setting is 220 240VAC 14 2 Ultrasound machine setup space For working with ultrasound images it is best to have a dual level lighting room bright and dim Having a bright environment help setting up everything before measurement and switching to a dim environment improves viewing ultrasound images a lot 14 3 Post assembly inspection After installation by the trained personal before the first use you have to ensure the correct in stallation of the following points 14 3 1 Assembly of the display at the cart Ensure that distance pieces are applied during assembly see picture distance pieces between display and cart FhG IBMT Page 17 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 14 3 2 Connection of cables at the back of the electronics unit The cables at the system are connected correctly DVI white cab
45. tering display on the right side it shown and to show hide the patient data base on the bottom of the fully extended dialog window The playback menu item triggers the Same sequence playback as the frame playback toggle button under the B scan display If this element is checked multiple frames slices inside one rf data Tile are loaded and visualized as a sequence The loop playback menu item indicates that the playback will start again with the first slice of the file if the item is checked The show hide scan information element enables the visuali zation of the selected line in the B Mode image The normal display mode is default and displays the common scale and information in the display Using the show uniformity option you will see an additional display presenting the homogeneity of measurements regarding an image sequence in order to determine the quality of a ultrasound transducer and system Please contact us for additional information about image quality measurement FhG IBMT Page 39 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 E US Research Analysis Tool version 3 0 0 created 10 05 2011 File Edit View Options About Number of frames used for uniformity computation Intensity of averaged scanline amplitude data filename C Users Rechenknecht Desktop Christoph Neu Projekte GPU Programmierung GR 8 The main window in imag
46. th sharp or abrasive surfaces A damaged housing lens or cable can result in patient injury or serious impairment or operation tl Achtung Ultrasound can produce harmful effects in tissue and potentially result in patient injury Always minimize exposure time and keep ultrasound levels low when there is no medical benefit Use the principle of ALARA As Low As Reasonably Achievable increasing output only when needed to obtain diagnostic image quality Observe the acoustic output display and be familiar with all controls affecting the output level See the Bioeffects section of the Acoustic Output chapter in the Advanced Reference Manual for more information Achtung Do not use with Defibrillator _This equipment does have a defibrillator approved applied part FhG IBMT Page 9 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 Achtung This equipment contains dangerous voltages that are capable of serious injury or death USE EX TREME CAUTION WHEN HANDLING TESTING AND ADJUSTING If any detects are observed or malfunctions occur stop operating the equipment Inform a qualified service person and contact the Fraunhofer Service for information There are no user serviceable components inside the console Refer all servicing to qualitied ser vice personnel only Only approved and recommended peripherals and accessories should be used All peripherals and accessories must
47. that should be zoomed out Us ing these controls all aspects of recorded data can be viewed in overall and in depth Below the A Scan display there is a spectral plot of a signal segment selected by the red cursors windowing the signal in the A Scan Display The range editing and zooming options are here the same as described above for the A Scan display Furthermore the red cursor in the spectral plot can be used to select positions in plotted data to see exact frequency values plotted next the cursor Using custom filters can be done on the bottom right of the main window There 15 an area for custom filter management selection and additional information and below it an area for the actual filter be displayed and parameterized Using the combo box one filter can be selected of the found filter classes implementing the IFII terDlg interface in the application folder Any dll and exe NET assembly will be searched for suitable implementations and added to the combo box Selecting a filter in the combo box will FhG IBMT Page 29 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 show the filter window below it and allows the parameterization of each filter using for processing When a filter is applied to incoming measurement data the dual live view button can be used to visualize both the unfiltered and the filtered image representation in parallel see cover image of this document 21 6 The trac
48. the device FhG IBMT Page 20 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 16 Beginning of operation Before every use of the system the system itself has to be checked visually for Dirt mechanical damages cables housing mechanical damage of ultrasound transducer cracks Ultrasound transducers may not be put totally under water If the visual inspection fails you are not allowed to use the system Please contact Fraunhofer IBMT service hotline to check how the system can be repaired to be used again 17 Correct use of the device 17 1 Powering on the device The DIPhAS research platform is powered by the cart using a connection to 220V 50Hz power supply The system can be switched on using the green switch at the bottom right of the cart Using this switch all equipment on the cart is powered on and will power up After a short time the system is ready to be used when showing a windows desktop with short cuts to the applications USPilot4 and GRB Offline Tool 17 2 Connection of ultrasound transducers Up to three transducers can be attached to the system The transducer connectors are locked by turning the lever after insertion of the plug Warnung The system may not be used without transducers connected 18 Machine maintenance tl Achtung The system may only be maintained by staff of Fraunhofer IBMT The maintenance actions have to be logged in
49. the usage of the ultrasound research offline analysis tool please re fer to the Ultrasound Research Analysis Tool Manual 21 5 The research mode area Analysis and Custom Filtering Custom filter Information about Indicator if selection selected custom filter selection is shown Scale settings A Scan dual live view in B Image Hine selection Windowing of A Scan by red cursors research mode v VXKSS selected line 66 T 18 1000 frequent data 55 60 mm 1042 50 24 mm 566 A Scan of 0 0m 10 0 mm 20 0 mm 30 0 mm 40 0 mm 50 0 mm 60 0 mm 69 9 mm selected line adio frequent spectrum 12000 Pitch mm Radius mm 0 offset Y 7Z mm ol 0 2 07 2 25 07 Spectrum of selected line limited to window by red cursors Custom filter visualization area The research mode shows the A Scan line of a selectable line in 8bit amplitude or 16bit RF data mode according to the selected operation mode The scale of the x axis of the A Scan can be changed from Meters to Seconds or Samples for better interpretation of the recorded data The amplitude shown will initially adapt to amplitude or RF data default values but can be changed by clicking on the range minimal and maximum values and entering a new desired val ue A double click will reset the values to default again Zooming in the A Scan window can be done by holding the shift key and drawing an area in the graph
50. tion about birth date and number of stored data sets To select an existing patient just use the select button on the last column of the patient data or confirm your selection by pressing return after selecting the patient record using the cursor keys To create a new patient record use the button on the bottom right of the dialog overlay and the add new patient dialog opens Patient names Stored data 7 Fraunhofer IBMT Patient selection Add New Patient Name Peter Lustig Full name field Add new ee Patient Gender Gender selection Birthdate Freitag 20 November 1953 Birth date Comment entner Additional comments 3 Confirmation FhG IBMT Page 27 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 21 4 The stored data area Patient Management Data export functions Add a new study Open selected dataset for Save current analysis screenshot stored data M 14 Sm M 06 01 2010 g s ger irme Current study Data display area Peter Lustig 06 01 2010 Lustig 06 01 20101110 Stored dataset Stored dataset Selected for analysis When no patient is selected yet the patient list selection dialog will be opened before stored data is displayed If a patient is selected the stored data area shows a combo box with all available studies for this patient in the current study combo box and all available data sets stills and videos
51. tion data changing according to this correction 21 6 3 3d acquisition coordinate systems The coordinate system of the electromagnetic tracking has its origin at the transmitter Front Hemisphere Model 800 Sensor 7 Default Reference Frame The origin of the short and mid range transmitters default Reference Frame 15 an approximate location at the center of the transmitter s coil set FhG IBMT Page 32 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 The system provides homogenous transformation matrix in the following working area X 30cm Z 66cm X 30cm Z 20cm Y 28cm Y 28cm Y Z Measurement using the top hemisphere Dimensions in each axis for the mid range transmitter are Z 20 to 66cm from the transmitter center Y 28 cm from the transmitter center X 30 cm from the transmitter center il Info The DIPhAS system works in the front hemisphere of the tracking system This means that the tracking 15 correct on top above of the transmitter if the transducer is put upright on a table il Info The electromagnetic tracking system still is sensitive to magnetic and metal structures You have to ensure that no metal structures are in direct contact with the transmitter or the sensors in or der to get good tracking results FhG IBMT Page 33 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 21 7 Using the
52. ugust 2011 8 5 Data integrity safety I Warnung Equipment malfunction or incorrect settings can result in measurement errors or failure to detect details within the image The equipment user must become thoroughly familiar with the equip ment operation in order to optimize its performance and recognize possible malfunctions Appli cations training is available through the Fraunhofer IBMT staff Achtung DO NOT unplug and or transport the unit until after the power off sequence has been com pleted Failure to do so may result in corrupted measurement Tiles Achtung Data Integrity Warning Archived data is managed in the patient database folder default c patientdatabase Perform ing regular data backup to any device is recommended 9 Returning Shipping Probes and Repair Parts Equipment being returned must be clean and free of blood and other infectious substances GEMS policy states that body fluids must be properly removed trom any part or equipment prior to shipment GEMS employees as well as customers are responsible for ensuring that parts equipment have been decontaminated prior to shipment Under no circumstance should a part or equipment with visible body fluids be taken or shipped from a clinic or site for example an ultrasound probe The purpose of the regulation 15 to protect employees in the transportation industry as well as the people who will receive or open this package 10
53. ugust 2011 The export complete rf file as AVI video exports the current loaded rf file in an AVI video file A window will open to select one of the systems video codecs The export current frame after filter processing function exports the current displayed frame as JPG file after applying the filtering processing as setup The export complete rf file after filter processing function applies the filtering processing as set up to all slices of the loaded GRB file and stores the result in a new GRB file with the same number of slices after a filtering process The export complete rf file with different header export the complete rf file with a edited header in a new rf file This way errors in the parameters of recorded data can by inputting cor rect values in the shown header editor before storage 22 9 3 The image view context menu Clicking on the View entry in the menu bar a submenu will be shown with additional image display settings EI US Research Analysis Tool version 3 0 0 created 1005 2021 n Display options Mouse selectable thow B derplmy scale IEEE Kol samples length F 18 samples 295 samples 517 window size samples lename Rechenknecht Detkiop Christoph Mew Presekte GPL Prograrreruenangu h 7 The main window in image view mode with the view menu The first two mean points change the dialog window size to include exclude the A scan processing and fil
54. ument Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 12 System description 12 1 Intended use The ultrasound research platform DiPhAS a system for laboratories and can be used for research and development This system and all its components are an experimental setup and is not tested or certified ac cording to European international or German medical directives The system 15 not a medical device and may not be used on human being patients To use this system you have to be familiar working with other electrical laboratory devices and experimental setups It may only be used by persons trained in using the system by Fraunhofer IBMT staff members Example DiPhAS without tracking system front FhG IBMT Page 15 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 NM j Example DiPhAS without tracking system back 13 System components The system consists of the hardware and software components described in the following 13 1 13 2 Hardware Ultrasound system DIPhAS with integrated PC GPU and 3d tracking system electromagnetic field generator for 3d tracking system electromagnetic sensors for ultrasound transducer and pointer Pointer for 3d tracking system keyboard mouse Cart with insulation transformation Software The system has installed a version of the software package Ultrasound Research Platform 2011 including the components USPilo
55. umentation Translation FhG IBMT Page 2 of 49 Document Nr B7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 2 Content 1 DOCUMENT HISTORY a 2 2 CONTENE na RE 3 3 ADDRESS OF DEVELOPER AND MAINTAINER 22200000000000000000000000000000000000002000000002000202222222000 5 4 IMPORTANT PRECAUTIONS 2 3442 6 5 EXPLANATION OF SYMBOLS aaa aaa 7 6 DANDAAGEJINTRANSPORTATIODN 7 citicc bi c uei eee Eee bos UU uo e aee a Ne eaae eae are a aeo aie ua Do ere eee eva es nues 9 7 OMISSIONS AND ERRORS o ob aes a Suv UU eu seus E aea Uu ee ee E Eee Rea CENE eS EON eU 8 S SAFETY CONSIDERATIONS sn ini 8 Saks MUMAN SAFETY E E EUR SER SUUS e eo AREE AUI SERI VOTRE 8 9 2 ELECTRICAL SAEETY rebut eoo succes NV Eden E E PUE scu L oes dio Lee Well Ee edo Dae 9 0 5 MECHANICAL SAFETY sense esse sat co a eae aa dopo eo Eee raise e deae es VE ds eeu Pee DER REED 11 84 EMC ELECTROMAGNETIC COMPATIBILITY PERFORMANCE cccsssccssssccssccccssccccscccccsccccsees 12 8 5 DATA INTEGRITY SAFETY una 13 9 RETURNING SHIPPING PROBES AND REPAIR 13 10 INFORMATION ABOUT RECYCLING 000000000000000000000000000000000000000000000000000000000000000000000000000000000 13 EYRE PLATE een 14 12 SYSTEM DESCRIP 15 12 7 INTENDED USE
56. ung The system may not be operated by or used on people with cardiac pacemakers The electro magnetic tracking system emits a strong electromagnetic field that interferes with cardiac pace makers tl Achtung The use of damaged probes or improper use and manipulation of intracavity probes can result in injury or increased risk of infection Inspect probes often for sharp pointed or rough surface damage that could cause injury or tear protective barriers Never use excessive force when ma nipulating intracavity probes Become familiar with all instructions and precautions provided with special purpose probes Warnung If the unit is very cold or hot do not turn on its power until it has had a chance to acclimate to 15 operating environment FhG IBMT Page 11 of 49 Document Nr 7 0 01 01 DiPhAS Ultrasound Research Platform 19 August 2011 8 4 EMC Electromagnetic Compatibility Performance All types of electronic equipment may characteristically cause electromagnetic interference with other equipment either transmitted through air or connecting cables The term EMC Electro magnetic Compatibility indicates the capability of equipment to curb electromagnetic influence from other equipment and at the same time not affect other equipment with similar electro magnetic radiation from itself Proper installation is required in order to achieve the full EMC performance of the product In case of issues related to EMC please call
57. very or in any event within 14 days after receipt and the contents and containers held for inspection by the carrier A transportation company will not pay a claim for damage if an inspection is not requested within this 14 day period 7 Omissions and errors If there are any omissions errors or suggestions for improving this documentation please con tact Fraunhofer IBMT Ultrasound department with specific information listing the system type manual title serial number page number and suggestion details Fraunhofer IBMT staff will re port all documentation errors or omissions 8 Safety Considerations The following safety precautions must be observed during all phases of operation service and repair of this equipment Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the equipment 8 1 Human Safety Operating personnel must not remove the system covers Servicing should be performed by au thorized personnel only Only personnel who have participated in a DIPhAS seminar are autho rized to service the equipment tl Achtung Dangerous voltages capable of causing death are present in this equipment Use extreme cau tion when handling testing and adjusting tl Achtung Only qualified service personnel should remove any covers panels Electrical hazards exists at several points inside Become thoroughly fami

DiPhAS ultrasound research platform user manual

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