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1. New Energy Bldg Nanhai Ave Nanshan District shenzhen 518054 China Well d Park Qinglan 3 Rd National Biopharmaceutical Industrial Base Pingshan New Area Shenzhen 518118 China Tel 0086 755 36900018 36900019 36900020 Fax 0086 755 36900018 Http www welld com cn www welld net Email export welld com cn Dated in DEC 2010 Vesion V7 20 PN NO WED 20 09001EV
2. Attention No unplugging and plugging is allowed when the power is still on If power on is needed after power off the interval is better to be 2 3 minutes or the device may be damaged WED 2000AV Manual Technical Instructions V1 20E 39 Chapter Five Transportation and Storage Chapter Five Transportation and Storage 5 1 Environment requirements on transportation and storage Environment temperature range 20 C 55 C Relative humidity range lt 80 20 C 5 2 Transportation Signs on the packing box conform to 4 Iconograph and sign of packing storage and transportation GB T191 2008 Simple shockproof establishment is fitted within the box which apply to aviation railway highway or steamship transportation Keep dry avoid inversion and collision 5 3 Storage Equipment should be taken out from the packing when storage time exceeds six months power on it for four hours and then pack it correctly and keep it in a warehouse The device must not be piled and do not place it closely against the floor walls or roof Keep it well ventilated do not expose it to strong sunlight or caustic gases 40 WED 2000AV Manual Technical Instructions V1 20E Chapter Six Check and Maintenance Chapter Six Check and Maintenance 6 1 Service life Bases on the manufacturer s design production related files this model s use life is six years The Product s material will gradually aging if the product continuall
3. ambient and sanitary conditions 50 WED 2000AV Manual Technical Instructions V1 20E 2 3 4 5 Chapter Seven Trouble Shooting Observe circuits closely to check if there 1s any abnormity or spoiled components analyze and remove the abnormal phenomena Swab conducting contact parts and high voltage insulation components surface of connectors with detergent to ensure good electric contact of each connector and prevent leakage of electricity through dirt on high voltage component surface Fasten each connector and setscrew to ensure good and stable electrical system contact Check the detecting performance of the equipment and the control performance panel of control keys setup each performance control knob correctly and keep the whole set in good working order 2 Basic methods of maintenance 1 2 3 4 5 Clean the inside and outside first clean up the dust collected in the sagging parts of the enclosure then open the enclosure and clean up the dust inside Run the vacuum cleaner during cleaning While cleaning with small brush use the vacuum cleaner s sucker to follow the brush to pick up dust Due to complicated and compact inboard circuits take down some circuit cards if necessary for convenient cleaning Cleaning electrical connectors after inboard dedusting erase dirt and tarnish on connector electrical contact parts with detergent which can be alcohol absolute alcohol or 95 alcohol solution o
4. ee das 17 29 pate yA Dara i io lid 17 2 Sel haran tros Tae man UT oto oe a od do feds 17 2 5 2 Charging through adaptive line Optional oooccccccccccncccnnnnononnnonnncnnnnnnnnnnnnnnnnnnnnonnnonaannnnnnos 18 2 5 3 Charging through auto charger Optional da 18 Chapter Three Key board and Mouse Operation ii E R A OE 20 SS CFE AD AV ata 20 iZ ISE Y OOard F UNC UIONS sco anes E A E Ada 20 Ne UY OU Sy cee tee ere UR ae SNE Tree MOOT EME ESOS Ua aE PUNTER Neen rT SN ETOS NCEE PUT EES Ie rere TPRON etna sa ere tment eae reat atten ee 2 Chapter Four OperatonSe quede ia a 23 AMOO A AR A A AA A A A A AAA AA 23 Ab WTA OT OSC AA A eee ad teed waded 23 AMO dinastia dd di 23 AF APT CQUCHCY lt S EIA AI Ata 24 BDO A oe Oa ee eas ae E Sereda ciate as hissy Shes cars te eds done se 24 4 3 3 Modify Biiehtiess and Contado dicto deco lia 24 a LIO 24 EA OE a a Ai ia 26 E A O E EE EEE EA EEE EEE EEEE OETA 26 SN A ON 21 A A A o A E ghar 27 A SAC OOT aa Renn eer A A A A ET ner eT eerie SORT ee 2i 4 5 9 Measure ol perimeter darea and VOM A E EAN E EA cats 28 ADO Statistics OSO asii 30 A ANUS LATA eM aSU E rE A E T EA tous cad neuen EES 31 Ai VO WING N aS A A ee aa 32 WED 2000AV Manual Technical Instructions V1 20E Content 4 8 Heart Rate Measuring Only in B M and M Modes cccccececcccesssccesssceeesseccesseccesseecessseceseeceseeeens 33 ADVTS CCU MI E jas E SaaS agg RSS Sa Rca oca 33 E io PANUOD A O
5. follow There are functions of save pick out image smoothen color and measure of area volume and histogram V1 20 O SAVE I SVLOAD 2 IMAGEPROC 3 COLOR 4 AREA VOLM 5 HISTOGRAM V1 20 Software version number 4 5 1 Image Storage 26 128 images can be stored even when the power 1s off ePress to display image process menu after a satisfying image 1s frozen and then press to store with 1ts number displayed in the upper left hand corner such as SAVING 05 When the storage 1s complete the number disappears Press to return to real time state eThis device can store the maximum of 128 images and they are numbered automatically in order For example If there are No 01 20 images the next storage is numbered 21 When the storage is full reaches 128 the following will appear STORAGE IS FULL ERASE NO 01 LYES 2 NO WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence It is the hint for whether to erase No 01 Press to replace Press to abandon the storage of the current image Select 2 NO to abandon the current storage In the later storing operation there will be hint for whether to erase No 02 The process continues Notes elf the storage is full and at this time you pick out certain image to store it There will be hint for whether to erase the existed one of specific number and store the new one 4 5 2 Pick out Image Press in the mode of rea
6. the corresponding data display behind G A SWINE HL Calculate the gestation age according to SWINE HL Check routine on pigs 1 Make the swine in a state of stand 2 Put the probe a little bit left or right of the centre on the ventral abdominal wall closely along the side of teats and skull to rear leg If the is mud on this part clean with water first incase the abdomen pelvic structure could not be displayed accurately 36 WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence Picture 4 15 Swine GA measurement 3 To measure the heart macro axis screen should display the maximal longitudinal axis of heart With the growth of gestation age the fetal heart macro axis increase regularly Measuring method is given in the following figure f I Heart A Picture 4 16 Swine Heart measurement 4 Measure selected parameter distance according to distance measurement method the corresponding gestation age data will automatically shows behind G A O SHEEP USD Estimate gestation age according to hilum spine length of sheep There are two methods to exam pregnant sheep Use the probe to check abdomen These two methods are the same usful It is proofed as cording to some publication that these two methods are the same effective in pregnancy examination Rectum exmanination is more exact than abdomen examination within first 35 days pregnancy The two methods are the sam
7. time picture and the right is M one Repeat pressing you can shift between B and M On B picture there is a vertical line composed by equidistant dots which is named sample line WED 2000AV Manual Technical Instructions V1 20E 21 Chapter Three Keyboard and Mouse Operation 4 32 0 32 1C0 CCO BCO Single B Picture 3 3 Four kinds of mode display Obstetrics Press it in freeze mode of B or BB to display the obstetrics menu Press the number keys and further details are available in the following instructions To exit please press lt j Measure Reference Along with 72 and direction keys the measure of distance perimeter area and histogram can be done Further details are available in the following chapter gt B Press it the note menu is displayed Then press the number keys to enter the sub menu Refer to the following a gt chapter for further details Press 2S to exit a 2S Clean Screen Press it to clean marks notes and results In menu status press it to quit the menu Press it when the device crashes by accidents or operation mistakes then the device can return to normal 3 3 Mouse As a supplement to the keyboard the mouse can make the measure quicker and more convenient Three button mouse is available for this device The left middle and right buttons all have their specific functions Left O The cursor is displa
8. value as per distance measurement methods and the corresponding data display behind G A O BOVINE SL Calculate the gestation age according to bovine SL 1 Keep the cow standing WED 2000AV Manual Technical Instructions V1 20E 35 Chapter Four Operation Sequence 2 Put the probe against the abdomen side center shift 1t a little bit left or right and hold it closely against the skin Clean the abdomen skin if there is mud to ensure a clear display of the abdominal pelvic structure 3 The maximum vertical axile of the stomachi should be displayed on the screen With the time going on futus stomachi long axile increases regularly The measuremenet method is given below Picture 4 13 Buvine stomachi measurement 4 Confrim the distance value as per distance measurement methods and the corresponding data display behind G A O BOVINE HL Calculate the gestation age according to bovine HL 1 Keep the cow standing 2 Put the probe against the abdomen side center shift it a little bit left or right and hold it closely against the skin Clean the abdomen skin if there is mud to ensure a clear display of the abdominal pelvic structure 3 The maximum vertical axile of the heart should be displayed on the screen With the time going on futus heart long axile increases regularly The measuremenet method is given below Picture 4 14 Buvine heart measurement 4 Confrim the distance value as per distance measurement methods and
9. 03 pr at max lpi MPa 1 21 deq at max lp cm lba a at max MI W cm 32 76 Operating control Frequency setting MHz 3 5 3 5 conditions Other information 52 WED 2000AV Manual Technical Instructions V1 20E Appendix A Acoustic output reporting table System Model WED 2000AV Acoustic working frequency MHz Output power mw Bounded output Power mw Attenuated output power mw Non Non scanning scanning Scanning Scanning ai o Aaprt gt ae l em Spatial peak temporal average intensity mw cm7 Attenuated spatial peak temporal average intensity mw cm7 Pulse intensity integral uj cm Attenuated Pulse intensity E a 20 23 integral 1uj cm 59 02 Peak rarefactional acoustic pressure MPa U ON Attenuated peak rarefactional acoustic 0 79 pressure MPa 1 2dB output beam area cm Equivalent aperture diameter cm Depth for TIS cm Depth for TIB cm Depth at max attenuated pulse intensity integral cm gt ho Supplementary information Transducer Model S3 3 5MHz S2 3 5MHz WED 2000AV Manual Technical Instructions V1 20E 53 Appendix A Acoustic output reporting table System Model WED 2000AV Acoustic working frequency MHz Output power mw Bounded output Power mw Attenuated output power mw Non Non scanning scanning Scanning Scanning ai o Aaprt gt eis lcm Spatial peak temporal average 0 28 intens
10. AV Ultrasonic Diagnostic Equipment be powered from an uninterruptible power supply or a battery fields should be at levels characteristic of a Power frequency magnetic typical location in a typical commercial or hospital environment NOTE Ur is the a c mains voltage prior to application of the test level Contraindication It is suggested not to probe the part with wound or acute inflammation to avoid cross infection 10 WED 2000AV Manual Technical Instructions V1 20E Chapter One Summary Chapter One Summary 1 1 Brief introduction The device adopts technologies such as microcomputer control and digital scanning converter DSC large dynamic broadband low noise preamplifier logarithmic compression dynamic filtration edge enhancement etc to ensure legible stable and high resolution images Four display modes B B B B M M Can realize image real time display frozen zoom Hospital Name Age Sex annotation Measure Distance circumference area volume heart rate gestation age Image gray scale 256 levels Combined power supply mode of AC adapter and built in Li ion chargeable battery 3 battery charging modes and the specialized brownout mode enables more lasting battery operation 5 inches TFT LCD display and programmable device FPGA and surface mounted technology SMT make this device compact and light in weight PAL D video output 9 With mouse mouthpiece Jet molding enclosure wi
11. M mode press it to display the menu of image disposal and press 2S to cancel In the state of real time scanning press it to alter the image multiple The range is 120 190 with 7 levels Measure Mark Press it in Freeze state then will be displayed on the screen Use direction keys or mouse to move it Refer to next chapter for further details de Direction Keys They are used for moving the cursor LA 3 are used for altering the scanning depth in the real time state in B mode the same function as Press to increase the depth while press to decrease with the current depth displayed in the lower right hand corner While inputting names of patients and hospitals use LA 3 to turn the page up and down 5 are used for activating the parameters on the right side with activated parameters lighten At this time use A 3 to alter B Mode Display In the state of freeze or real time press it to enter B mode The default is single B BB 8 Double B Mode Display In the state of freeze or real time press it to enter double B mode There are two B picture on the screen One is Freeze picture the other is Real time one Repeat pressing the picture can shift between Freeze and Real time Press CK then both of them show freeze picture BM 9 B and M Mode Display In the state of freeze or real time press 1t twice to enter B M mode Both pictures are displayed on the screen The left is B real
12. MENU NEUEN A a nee ere rea E Ne nye PORT Te 39 A A Naa 6 upload to COMPU A AS 39 A POW ODI ee e ie eat merece 39 Chapter Five Prams portation and Stora A SA E eae a ewes 40 5 1 Environment requirements on transportation and storage c cocccoccncnnnnnnooccnncnnnnnnnnnnnononononnnannnnnnnnnnnnnnnnnss 40 STan PO O A A IAEA 40 A nn A un er eee re eee 40 Chapter oix We Ck and Maintenance tata sane 41 E io O Ore eer er ere eee 41 O O K ieee a a a a aestalesideseulastaestdesiteseslesbaeeedesstetesestacsesess 41 63 Mam Unit Main ra 41 OA Probe MATEO INC 41 A A O A 42 O GC OPEC USACS OL PODES AAA AA AA AA A a 42 EPPES Ona o AAN A a A A A IN a e a 43 6 3 Instumenttestamd Cara 44 Chapter Seven trouble AOS SA A A as 45 7A Device board principle and hard wate pictures A A a 45 Me Ne TE TAPA Slaves SA Sea A O tc LO en a De SCs 45 Tale INNO CINCO AE lars eS ath aati eae alae arated ctr a 45 LAA IO Ce hice aoa E sea A E eared A eaten A A E EE 46 TM o T Mee ated eg A O O O O gaan 47 A creme era tenia ae E 47 7 2 WED 2000AV ultrasonic equipment disassembly and assembly coccccooonnonoooooooncnoncnonnnononnnnnononononos 47 7 2 1 WED 2000AV ultrasonic equipment componential disassembly ooooonnnnnnccccnnnnnnnnnnnnnnonnno 47 Loza Sta la tion Or WE SD OOO AN sis siete ahs icine erate Sahu enna reads 50 OaD SOG UNM Ot O 50 7 4 Maintenance of WED 2000AV Digital Ultrasound canMeT ooooooocooooooccccnnnnnnnnnnnnnnnnnnnnnnn
13. S2 5 0MHz mechanical sector scan probe S3 5 0MHz waterproof mechanical sector scanning probe Video printer Li 10n battery Car charger Charging adaptation wire 906009 1 7 Appearance Picture 1 3 WED 2000AV side mouthpiece sketch map WED 2000AV Manual Technical Instructions V1 20E 13 Chapter One Summary Picture 1 5 WED 2000AV back side sketch map 1 8 EMC statement WED 2000AV shan t affect the basic performance of radio service and other equipments and can work well in the expected and declared electromagnetic environments 14 WED 2000AV Manual Technical Instructions V1 20E Chapter Two Installation Chapter Two Installation 2 1 Operating environmental requirements 1 Environment temperature range 0 C 40 2 Relative humidity range 80 3 Atmosphere pressure range 70KPa 106KPa When using avoid strenuous vibration keep it away from devices with high field intense magnetic field or high voltage avoid strong sunlight blazing down on the display keep the device well ventilated moisture proof and dustproof 2 2 Unpacking inspection After unpacking check the device according to Packing List and install it according to requirements and methods described in Installation after affirm that there is no shipping damage 2 3 Installation and disassembly 2 3 1 Conn
14. With this measurement to set up a chart to find the growth curves to estimate embryo size and GA Here GA refers to the duration from the copulation instead of impregnation O BOVINE BL Calculate the gestation age according to bovine BL Examination steps on bovine 1 Clear off the egesta in rectum 2 Feel the pregnancy with hand and give a primary estimation and confirm the examing organ with ultrasound 3 Hold the probe closely and and put it into rectum and ensure that your hand can feel the coming change inside recta Keep hand closing to the back and between the probe and recta wall 4 The inner construction of bovine displays on the screen bladder lies in the portrait cross place and the behind is uterine horns and body From the horizontal view uterine horns are in shape of round usually Move the probe around to acquire a better observation on the joint of uterine horns and body and then switch the probe to uterine horns as the following figure shows Rectum 2 Uterine horns 3 Uterine bodies 4 Ovaries 5 Vaginas 6 Bladders Picture 4 11 Probe position for uterine and ovaries examination 5 To measure the fetus body diameter select a vertical section first that is a section from two side to the neck chest and abdomen Body diameter can be acquired when the GA is between 60 to 150 days The measurement method of ody diameter is given below Body diameter gt Picture 4 12 BL measurement 6 Confrim the distance
15. al Electronics Co Ltd shall not take any responsibility for any risk resulted from propelled unauthorized re fitment by the users 13 To disconnect the device from the power supply network by unplug the adapter from the power supply network 14 Ultrasound might cause hazard on human body so long time radiation should be avoided Refer to appendix A and C for sound output parameters 15 To disconnect power supply and equipment please unplug the power Adapter plug Execution Standard Safety e Safety Standard In China WED 2000AV Manual Technical Instructions V1 20E 5 Preface Standard Number Standard Name GB9706 1 1995 Medical Electronic Device Part I General safety Requirements Medical Electronic Device Specialized Safety Requirements for Medical O aia Ultrasound Diagnosis and Monitor Device In Europe Standard Number Standard Name IEC60601 1 1988 l E A1 1991 A2 1995 Medical Electronic Device Part I General safety requirements Medical Electronic Device Part I to II General Safety Requirement Parallel cad Standard Requirement and Testing of Electromagnetism Compatibility 1EC60601 1 4 2000 Medical Electronic Device Section I to IV A Program controlled Medical Electronic System l Medical Electronic Device Specialized Safety Requirements for Medical IS Uco und Diagnosis and Custodial Care Facility Requirements for the Declaration of the Acoustic Output of Medical Ultrasound IEC61157 1992 Diag
16. amages caused by external reasons such as thunder struck earthquake theft unsuitable use or abuse and refitting the device Shenzhen Well D Medical Electronics Co Ltd shall not be responsible for damages caused by other devices or arbitrary connection to other devices Shenzhen Well D Medical Electronics Co Ltd shall not be responsible for losses damages or injuries caused by delayed service request When there is problem with the products please contact Shenzhen Well D Medical Electronics Co Ltd and explain the device model serial number date of purchase and the problem 2 WED 2000AV Manual Technical Instructions V1 20E Preface Matters need Attention To ensure operational safety and long term stable equipment performance please read this operation manual closely and understand the device functions operation and maintenance at all points before operating the device especially contents of Warning Caution and Note Misoperation or inobservance of the instructions given by manufacturer or its agents may result in device damage or personal injury The following convention works through this manual to lay special emphasis on some information Warning Stands for neglect of it will cause severe personal injury death or realized property loss Caution Stands for neglect of it will cause slight personal injury or property damage Note to remind user of installation operation or maintenance information Th
17. an environment Immunity test Electrostatic discharge ESD IEC61000 4 2 Electrical fast transient burst IEC 61000 4 4 Surge IEC 61000 4 5 Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 Power frequency SOHz magnetic field IEC 61000 4 8 IEC 60601 test level 6kV contact 8 kV air 2kV for supply lines 1kV for input output lines IKkV dofferemtoal mode power 2kV common mode lt 5 Ur gt 95 dip in Ur for 0 5 cycle 40 Ur 60 dip in Ur for 5 cycle 70 Ur 30 dip in Ur for 25 cycle lt 5 Ur gt 95 dip in Ur for 5 sec Compliance level 6kV contact 8 kV air 2kV for supply lines power IkV dofferemtoal mode lt 5 UT gt 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycle Electromagnetic environment guidance Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Mains power quality should be that of a typical commercial or hosital environment Mains power quality should be that of a typical commercial or hosital environment Mains power quality should be that of a typical commercial or hosital environment If the user of the WED 2000AV Ultrasonic Diagnostic Equipment requires continued operation during power mains interrutions it is recommended that the WED 2000
18. ars on the screen and then use the mouse to move the cursor to the starting spot of the examined area 2 Press right button to move the cursor along the fringe of examined area to the end 3 Press right button again to complete the measuring of perimeter and area If measuring should be continued press and or directly press 72 and repeat Step 2 3 You can get 2 groups of data at most The results are on the right side of the screen After the measuring press Middle button to clean the screen b Ellipse Method Keyboard Operation Press to select Ellipse method At this time an ellipse area appears which is called the examined area E o l l ee Use direction keys to move this area is applied to shift among three functions of direction keys to adjust the size and angle 1 Use direction keys to move the examined area to image display area ae 2 Press and then direction keys to alter the size of the examined area Press and to decrease or increase the area vertically and then press or to decrease or increase the area horizontally f 3 Press again then use or to adjust the angle Press 5 4 to revolve anticlockwise the examined area and press to revolve clockwise 4 Press again the function of direction keys will be shifted into Move the Examined Area 5 After the location size angle of the examined area are confirmed the measuring can be done If measuring should be continued press and or d
19. e direction keys to move the cursor to the starting spot l 3 Press to confirm the starting spot for distance measuring 4 Press direction keys another cursor appears And move it to the ending spot Then press to to shift between the cursor of the starting spot and complete the measuring Notes Repeat pressing i the ending spot If the distance measuring needs to be continued you can repeat step 1 4 with the maximum of 4 groups of data The results are displayed on the right side of the screen Picture 4 5 Illustration of Distance Measuring The four groups are respectively D1 D2 D3 D4 in which D1 D2 is the ratio of D1 D2 D3 D4 is the ratio of D3 D4 e Mouse Operation 1 Press the left button and the cursor is displayed 2 Use the mouse to move the cursor to the starting spot 3 Press the right button to confirm the starting spot 4 Use the mouse to move and another cursor appears cursor of the ending spot Move it to the ending spot and press to complete the measuring Notes Repeat pressing the right button can shift between the beginning spot and the ending spot of the cursor If the distance measuring needs to be continued you can repeat step 1 4 with the maximum of 4 groups of data The results are displayed on the right side of the screen as in Picture 4 5 WED 2000AV Manual Technical Instructions V1 20E 31 Chapter Four Operation Sequence Press the middle button t
20. e effective between 35 to 70 days pregnancy After 70 days pregnancy abdomen examination is better because it is more practical when the uterine becomes large Abdomen check 1 Abdomen examination can be done when the sheep is standing or lying or seating Put the probe against the appointed abdomen center where there is no fur 2 Clean the abdomen skin if there is mud to ensure a clear display of the abdominal pelvic structure 3 Measure the length of USD 4 Confrim the distance value as per distance measurement methods and the corresponding data display behind G A WED 2000AV Manual Technical Instructions V1 20E 37 Chapter Four Operation Sequence O CAT HD Calculate the gestation age according to cat HD Head diameter refers to the maximum inner skull diameter from the side of abdomen to back This value can be acquired within 8 month pregnancy The HDmeasurement 1s given below Picture 4 17 Cat HD measurement O CAT BD Calculate the gestation age according to cat BD After fetal head formed binary top diameter measurement becomes a routine in ultrasonic examination The measuring method is 1 Fetal head axial plane scanning look for BPD measuring standard plane from top to bottom 2 According to distance measurement method to measure distance of selected parameters the corresponding gestation age data will automatically show behind G A O DOG GSD Calculate the gestation age according to dog gestation
21. ection between probe and main unit Probe jack lies in the top of the right side insert the probe into the jack correctly and turn it clockwise and wound it There is only one probe jack which can connect to all the supported optional probes Dismounting 1s the reverse process of installation WED 2000AV probe placement and take out Insert the probe into the probe supporter to set it and push to slide the probe form the supporter to take out it Picture 2 1 Picture 2 1 WED 2000AV probe placement and take out WED 2000AV Manual Technical Instructions V1 20E 15 Chapter Two Installation 2 3 2 Installing and disassembling battery Install WED 2000AV battery Set the battery into the battery slot and move the battery release key on 1ts back to top till the battery is inserted completely and then release the key refer to Picture 2 2 Battery release key Picture 2 2 WED 2000AV battery installation Disassemble WED 2000AV battery It 1s the reverse process of installation refer to Picture 2 3 Battery release key Picture 2 3 WED 2000AV battery disassemble 16 WED 2000AV Manual Technical Instructions V1 20E Chapter Two Installation 2 4 Power Supply The device provides two automatic switch over modes to supply power adapter and built in battery 2 4 1 Power supply with adapter 1 Check t
22. ed on with wrong connection or tools left inside Only power on and test running the equipment after confirming everything is ok During maintenance must not pull circuit parts or move wiring position at will furthermore do not swirl each tunable component at will It is prohibited to wash inboard components with water or swab transformer lucite electrical line and other rubber goods with gasoline kerosene or acetone etc Wipe cables rubber insulated wires gelatin plates and paint spraying parts with wring out damping cloth instead of alcohol and carbon tetrachloride which can dissolute rubber and other organic materials It is strictly prohibited to burnish those gold plated or silver plated electrical contacting parts of connectors with emery cloth or other metalwork nor direct contact them with hands lest sweat cause tarnish Use all sorts of tools correctly in case setscrews are deformed due to over force moment WED 2000AV Manual Technical Instructions V1 20E 51 Appendix A Acoustic output reporting table Appendix A Acoustic output reporting table B mode Nominal frequency 3 5MHz Trans ducer Model S3 3 5MHz S2 3 5MHz Manufactured By SHENZHEN WELL D MEDICAL ELECTRONIC CO LTD TIS Index label MI Non scan 7IC Rowen Aten Maximum index 0 44 0 086 value Pra MPa Min of Pa Zs lzpta aZs mW Associated parameters Z at max lpi a cm deq Zo cm 2 i en Dim of Aaprt en ta usec 0 416 prr Hz 37
23. electromagnetic environment specified below The customer or the user of WED 2000AV Ultrasonic Diagnostic Equipment should assure that it is used in such an environment many oe Compune Electromagnetic environment guidance test test level level Portable and mobile RF communications equipment should be used no closer to any part of the WED 2000AV Ultrasonic Diagnostic Equipment including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance 3 5 fv VZ 3 5 3V Conducted RF a d Er VP 80 MHz to 800 MHz 150 kHz to 80 MHz IEC 61000 4 6 7 d Ei VP 800 MHz to 2 5GHz Radiated RF 3V m Where P is the maximum output power rating of the IEC 61000 4 3 Sine Scr transmitter in watts W according to the transmitter EVOL manufacturer and d is the recommended separation distance in metres m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol K NOTE1 At 80 MHz and 800 MHz the higher frequency range applies NOTE2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people a Field strengths from fixed transmitte
24. ese information is very significant but with no risk Any warning against dangers shall not be contained in NOTE Safety labels Device labels explanation Attention consult accompanying documents Switch on the main electrical supply Switch off the main electrical supply Signal output USB port Protected against the effects of immersion Class II device Mouse ENI FF Probe socket 60z4Qo gt Packing and transportation labels explanation Handle with care Temperature limit Upwards Limited layers of stowage N A gt gt a g Protect against wetness as El Protect against heat WED 2000AV Manual Technical Instructions V1 20E 3 Preface Device safety classification According to the degree of safety of application in the presence of a flammable anaesthetic mixture with air or with oxygen or nitrous oxide WED 2000AV can not be used in situation of mixture of inflammable anaesthesia gas and air or nitrous oxide Classify as per work system WED 2000AV is continuous operation device Classify as per harmful liquid leakage The main unit of WED 2000AV is conventional device the probe is a device of resistance to flooding Classify according to shockproof type WED 2000AV is Group II device powered by external adapter Classify according to shockproof level WED 2000AV is Type B Applied part General tips for device operation In opera
25. eys and space key under it and use LA 3 to turn page up and down Correspondant characters can be displayed when pressing the number key with the maximum of 15 letters Press to clean the wrong character Press ABC to confirm and exit after inputting or you can directly press CABC to exit from inputting Press select 1 AGE to input the patient age the maximum iuput number is 3 bits the input interface is as follow PLEASE ENTER AGE Press ABC to confirm and exit after inputting or you can directly press ABC to exit from inputting e Press select 2 SEX to input patient sex the interface is as follow 24 WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence PLEASE ENTER SEX 1 MALE 2 FEMALE Use number key RM 1 to select 1 MALE press to select 2 FEMALE e Press and select 38 COMMENT to enter Image Note White cursor will appear on the screen and are used to turn page up and down together with 26 letter keys and space key at the bottom Correspondant characters can be displayed when pressing the number key with the maximum of 15 letters Press 144 to clean the wrong character Press ABC to confirm and exit after inputting or you can directly press ABC to exit from inputting e Press and select 4 TIME to modify time and date The interface is as follow Y Y MM DD HH MM SS For example 2006 9 22 9 35 30 are
26. g will influence battery charging effect Must not charge the battery near the ignition source or under extreme hot condition Do not use or store battery near source of heat such as fire or heater If find the battery is leaking or smelling move the battery away from the naked flame immediately 7 Don t go on using non serviceable battery and electricity charger AC adapter 8 Don t try demounting battery 9 Don t short circuit the battery 10 Do not throw the battery into the fire or heat it otherwise it would trigger an explosion 11 Do not souse or wet the battery 12 Do not incorrectly connect the positive and negative polarity 13 Do not directly connect the battery to wall outlet or car lit socket 14 Must not short circuit the positive and negative polarity of the battery with led or other metal objects Must not transport nor store the battery with necklace hair pin or other metal objects 15 Must not pierce battery shell with nail or other sharp objects must not hammer nor step on the battery 16 Must not hit cast the battery and avoid mechanical shock on it WED 2000AV Manual Technical Instructions V1 20E 43 Chapter Six Check and Maintenance 17 Must not bead the battery terminals 18 Must not decompound the battery in any way 19 Must not place the battery in microwave oven or pressure vessels 20 Must not combine the battery with primary battery such as dry battery or battery with different capacit
27. he auto charger is DC12 6V 1A 3 The operations and storage environment are the same as those of the main unit WED 2000AV Manual Technical Instructions V1 20E 19 Chapter Three Keyboard and Mouse Operation Chapter Three Keyboard and Mouse Operation 3 1 Screen Display f Hospital E AGE SEX HOSP NAME Battery Indicator tele Type of probe PROB SEC 18 EE requency FREQ 3 5MHz GAIN 30 IMO 4 32 O 32 peo CO CCO BCO Illumination and Fake color of image Color of Characters 5 Background Color of the Probe E Picture 3 1 Screen Display 3 2 Keyboard Functions The following is the keyboard of WED 2000AV Picture 3 2 Operation Panel Press it to shift between the states of freeze and real time Notes If FREEZE exists in the right lower corner the image is frozen oe are multifunction keys As character keys e During menu operation they are used for selecting the sub menu 20 WED 2000AV Manual Technical Instructions V1 20E Chapter Three Keyboard and Mouse Operation e While inputting Age and Time in the menu they are used as numbers Further details are available eUse IM 0 2 1 2 B 7 BB 8 to input names of the hospital and the patient Further details are available As functions keys Mode Display In B M mode no matter in the state of real time or freeze press it then there will be mode display with an M on the screen In non B
28. he input power cord plug of the adapter to see 1f 1t matches the EPS outlet 2 Check the EPS to see if it 1s in the specified range and the power cord to see if it is connected well 3 Check the adaptor to see if it works well Plug the power cord into the AC input outlet switch on the power switch of the outlet if the DC output indicating light turns on green it works well 4 Shut the power switch of the outlet 5 Insert the DC output plug of the adapter into the DC14V outlet in the right side of the device switch on the outlet 6 Switch on the main unit the device is available now 2 4 2 Battery Operation 1 Install the battery correctly into the main unit 2 Push down the main unit power switch to power on the main unit the power indicator will turn on 3 The device can start operation Note When the main unit under voltage indicator turn into red it means the battery is running up and needs charging 2 5 Battery Charging There are 3 ways to charge the battery 2 5 1 Charging through the main unit 1 Install the battery correctly into the main unit G gt 2 Insert the plug of 14v 34 of the adapter into the DC14V interface on the side 6 3 Connect power cord of 100 240v 50 6042 of the adapter to the EPS 4 No matter the main unit is power on or shut down when the A indicator flickers the adapter is charging the battery When the Ar indicator turns off from flickering the battery is fully charged P
29. icture 2 4 WED 2000AV Manual Technical Instructions V1 20E 17 Chapter Two Installation Picture 2 4 WED 2000AV charging 2 5 2 Charging through adaptive line Optional 1 Take out the battery from the main unit or take out the spare battery _4 2 Connect the 12 6v 14 terminal of the adapter to the charging terminal of the battery with charging adaptive line 3 Connect power cord of 100 240v 50 6082 terminal of the adapter to the EPS 4 When the POWER indicator light on the adapter turns into red the battery is in charging When the POWER indicator light turns into green from red the battery 1s fully charged Refer to Picture 2 5 Picture 2 5 WED 2000AV charging adaptive line 2 5 3 Charging through auto charger Optional 1 Take out the battery from the main unit or take out the spare battery 2 Connect the flat end marked with an arrow of the auto charger to the charging terminal of the battery 3 Plug the other end of the auto charger into the cigar lighter socket 4 When the Charging indicator light on the adapter turns into red the battery is in charging When the Charging indicator light turns into green the battery is fully charged Refer to 2 11 18 WED 2000AV Manual Technical Instructions V1 20E Chapter Two Installation Picture 2 6 WED 2000AV charging through auto charger Tips 7 The input voltage of the auto charger is DC9 14V 1 5A 2 The output voltage of t
30. input as follow YY MM DD 060922 HH MM SS 093530 Press ABC to confirm and exit after inputting or you can directly press ABC to exit from inputting e Press and select S5 HOSP to input hospital name as follow PLEASE ENTER HOSP 0 A 1 B 2 C 7 D 8 E 9 F You can refer to patient input for details There is a maximum of 18 characters in the name e Press and select 6 LANGUAGE The interface is as follow PLEASE ENTER LANGUAGE 1 CHINESE 2 ENGLISH Press to select Chinese or to select English WED 2000AV Manual Technical Instructions V1 20E 25 Chapter Four Operation Sequence e Press and select 7 ERASE to clean all image storage as follow ERASE ALL STORAGE 1 YES 2 NO Press to confirm During the process ERASING will appear in the upper left hand corner and at the same time other operations are unavailable When it disappears the storage is erased Press to abandon and exit Attention Before the erasing is completed when ERASING exists other operations are not allowed for they may damage the device e Press BB 8 and select 8 DEFAULT SET to restore the factory settings e Press and select 9 BEEP ON to switch on or switch off the key voice Notes When0 NAME 3 COMMENT 5 HOSP are input no number input is available In note menu press ABC to exit directly 4 5 Image Process Press M 0 in freeze state the menu is as
31. irectly press 72 and repeat Step 1 5 You can get 2 groups of data at most The results are on the right side of the screen 09 01 07 koikoi PA PROB SEC 18 FREQ 3 5MHz GAIN 30 IMO 3 32 32 IC0 CC0 BCO Picture 4 3 Illustration of Measuring perimeter and Area Ellipse Method WED 2000AV Manual Technical Instructions V1 20E 29 Chapter Four Operation Sequence Cl and Al are respectively perimeter and area of the first group C2 and A2 are respectively perimeter and area of the second group C1 C2 is the ratio of two perimeters A1 A2 is the ratio of two areas Mouse Operation Press to select Ellipse Method At this time an ellipse area appears which is called the examined area Use direction keys to move this area The right button is applied to shift among three functions of the mouse to adjust the size and angle 1 Use the mouse to move the examined area to image display area 2 Press the right button and then move the mouse to alter the size of the examined area Move the mouse left and right to decrease or increase the area vertically and then move the mouse up and down to decrease or increase the area horizontally 3 Press the right button again then move the mouse left and right to revolve the examined area anticlockwise and revolve clockwise 4 Press the right button again the function of the mouse will be shifted into Move the Examined Area 5 After the location size angle of the examined a
32. ity mw cm7 Attenuated spatial peak temporal average 0 12 intensity mw cm7 Pulse intensity integral uj cm Attenuated Pulse intensity E ae 16 63 integral 1uj cm 66 87 Peak rarefactional acoustic pressure MPa GN Attenuated peak rarefactional acoustic 0 74 pressure MPa 1 2dB output beam area cm 2 76 Equivalent aperture i id Depth for TIS cm Depth for TIB cm Depth at max attenuated pulse intensity integral cm gt No Supplementary information Transducer Model S3 3 5MHz S2 3 5MHz 54 WED 2000AV Manual Technical Instructions V1 20E Appendix B Obstetrics Appendix B Obstetrics Gestational Table 1 Equine Measurement mm Week Day Gestational Sac Diameter Ol ICI ee ee er o O C T a o 6B E A All measurements 3 days WED 2000AV Manual Technical Instructions V1 20E 55 Appendix B Obstetrics Gestational Table 2 Bovine Measurement mm Week Day Body Length pl e ee CO amp amp BD md U JuJu I hw Ww Th A DO WW OM amp LD CO O All measurements 3 days 56 WED 2000AV Manual Technical Instructions V1 20E Appendix B Obstetrics Gestational Table 3 Sheep Measurement mm Week Umbilicus to MANS Distance All measurements 3 days WED 2000AV Manual Technical Instructions V1 20E 57 SHENZHEN WELL D MEDICAL ELECTRONICS CO LTD 13 F
33. l time or freeze to display image process menu Then press the following will appear PLEASE ENTER STORAGE NO Input the number of stored image according to the hint for example 01 Press ABC after input then No 0l image is picked out If it is the wrong input press x to clean the characters one by one and reinput 01 128 is displayed in the lower left hand corner on the screen 01 is the number of current image and 128 stands for the storage volume At this time press A 3 or to pick out images in other storage areas Press to return to real time state To pick out other images repeat the above procedures 4 5 3 Image Smoothen Press in real time state to display the menu of image process and then press 2 to select image smoothen Repeat this to modify the smoothness and the image is displayed in the upper right hand corner of the screen in real time state They are respectively IMO IM1 IM2 IM3 Normal Smooth 4 5 4 Color Press in real time state to display the menu of image process and press to lighten Color on the right side Use orP gt 4 to select modify items and press A 3 and to adjust the parameters ICO IC1 IC2 IC3 are image fake color representing respectively grey red yellow and blue WED 2000AV Manual Technical Instructions V1 20E Zi Chapter Four Operation Sequence CCO CC1 are color of characters representing grey and yellow BCO BCI are background color representing grey a
34. lifying n Address Transmitting 7 Control Digital Video Video Frame B Mode Regulation Composing RAM Address Crystal Diagram and Gray Read and Oscillator Character D A Scales Write Control Picture 1 1 Electric principal block diagram 1 5 Basic principle B ultrasound works in this following procedure different tissues of human body possess different densities and speeds of transmission of ultrasound 1 e different acoustic impedance product of media density and sound speed when piezo chip transductor gets certainly regulated electric impulse it will produce ultrasound with certain frequency when this ultrasound sound energy is injected into human body different organ surfaces will 12 WED 2000AV Manual Technical Instructions V1 20E Chapter One Summary produce reflection echo the different size reflection is received by the transductor which emitted ultrasound and is changed into electric impulse when this electric impulse is amplified demodulated digital scanned shifted and some other handling video standard signal is produced and organ cross sectional images are displayed on the monitor 1 6 Device constituent 1 6 1 WED 2000AV standard layout pieces Mainframe containing a piece of Li ion battery S2 3 5MHz mechanical sector scan probe or S3 3 5MHz waterproof mechanical sector scanning probe Manual technical instructions Power adapter containing power cord Mouse 906009 1 6 2 WED 2000AV fitting pieces
35. method The corresponding GA result displays behind G A on screen right and the EDD displays behind EDD as given below in details EQUINE GSD Calculate the gestation age according to horse GS Examination steps on equine 1 Clear off the egesta in rectum 2 Feel the pregnancy with hand and give a primary estimation and confirm the examing organ with ultrasound 3 Hold the probe closely and and put it into rectum and ensure that your hand can feel the coming change inside recta Keep hand closing to the back and between the probe and recta wall 4 The inner construction of equine displays on the screen bladder lies in the portrait cross place and the behind is uterine horns and body From the horizontal view uterine horns are in shape of round usually Move the probe around to acquire a better observation on the joint of uterine horns and body and then switch the probe to uterine horns as the following figure shows Rectum 2 Uterine horns 3 Uterine bodies 4 Ovaries 5 Vaginas 6 Bladders Picture 4 9 Probe position for uterine and ovaries examination 9 The measurement method of GS diameter is given below and measurement can be done horizontally or vertically Picture 4 10 Equine GA measurement 34 WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence 6 Confrim the distance value as per distance measurement methods and the corresponding data display behind G A
36. n environment Environmental requirements on normal operation a Environment temperature range 0 C 40 C 4 WED 2000AV Manual Technical Instructions V1 20E Preface b Relative humidity range 80 c Atmosphere pressure range 70KPa 106KPa Environment requirements on device storage and transportation a Environment temperature range 20 C 55 C b Relative humidity range lt 80 20 C 7 Do not hit the fragile TFT LCD display If 1t cracks deal carefully with it in case the liquid crystal gets into eyes or mouths 8 Must not hit the inner rechargeable lithium battery nor throw it into fire in case it trigger an explosion Do not short circuit the battery output electrodes in case the battery be damaged and please use the original binding charger to charge the battery More over because used battery will cause environment pollution please handle the battery correctly for recovery processing 9 Must not disassemble the power supply adapter If failures happen it should be handled by the professional the charging output can only be used for charging the battery of the device any improper use on other battery may cause explosion fire and other unexpected hazards 10 Must not short circuit the output of the adapter along term short circuit shall result in adapter damage 11 Please use standard power cord as the input line of the network power supply for the adapter to reduce risk 12 Shenzhen Well D Medic
37. nce by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the WED 2000AV Ultrasonic Diagnostic Equipment as recommended below according to the maximum output power of the communications equipment Rated maximum output Separation distance according to frequency of transmitter power of transmitter 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz For transmitters rated at a maximum output power not listed above the recommended separation distanced in metres m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation 1s affected by absorption and reflection from structures objects and people WED 2000AV Manual Technical Instructions V1 20E 9 Preface Guidance and manufacture s declaration electromagnetic immunity for all EQUIPMENT and SYSTEMS Guidance and manufacture s declaration electromagnetic immunity The WED 2000AV Ultrasonic Diagnostic Equipment is intended for use in the electromagnetic environment specified below The customer or the user of WED 2000AV Ultrasonic Diagnostic Equipment should assure that it is used in such
38. nd blue 4 5 5 Measure of perimeter area and volume Two methods are available e Press M 0 in the state of freeze the menu is displayed on the screen e Press to select 4 AREA VOLM and it is displayed as follow PLEASE ENTER FREEHAND 2 ELLIPSE The first one is Freehand method and the second is Ellipse method a Freehand Keyboard Operation 1 Press to select Freehand method Then measure cursor appears on the screen Use direction keys to move the cursor to the start of the examined spot E l l 2 Press and use direction keys to move the cursor along the fringe of the examined area to the end 3 Press again to finish the measuring If measuring should be continued press and or directly press 2I and repeat Step 2 3 You can get 2 groups of data at most The results are on the right side of the screen BAIN 208mm Comm Picture 4 2 Illustration of Measuring perimeter and Area Freehand Method Cl and Al are respectively perimeter and area of the first group C2 and A2 are respectively perimeter and area of the second group C1 C2 is the ratio of two perimeters A1 A2 is the ratio of two areas Notes There are limitations of measuring perimeter and area by keyboard For more conveniences you 28 WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence can use the following Mouse Operation Mouse Operation 1 Press to select Freehand method The cursor appe
39. ng WED 2000AV Manual Technical Instructions V1 20E 45 Chapter Seven Trouble Shooting Motherboard picture 7 1 3 Key board Key board basic principle Key board adopts matrix serial keyboard structure The motherboard fulfils key plate scanning PIC SCM system keeps scanning on the matrix keyboard to check if there is keystroke If yes PIC SCM will detect the key assignment code and pass it to main SCM of the main board via serial port then the main SCM of main board carries out command operation according to key assignments PIC SCM has the functions of both electric quantity indication and alarm control Motherboard Control signal line Keyboard connection socket picture 46 WED 2000AV Manual Technical Instructions V1 20E Chapter Seven Trouble Shooting 7 1 4 Interface plank Interface plank picture 7 1 5 Probes The probe is a transducer when transmitting it can change electric energy into mechanical energy sound energy when receiving it can change mechanical energy into electric energy Probe picture 7 2 WED 2000AV ultrasonic equipment disassembly and assembly 7 2 1 WED 2000AV ultrasonic equipment componential disassembly Remove these 4 screws WED 2000AV Manual Technical Instructions V1 20E 47 Chapter Seven Trouble Shooting MES O A z aore JB SS pS ES ENTER se gal PO LASOAV iF 48 Remove these 5 screws Remove the signal connection WED 2000AV Manual Tech
40. nical Instructions V1 20E WED 2000AV Manual Technical Instructions V1 20E Chapter Seven Trouble Shooting Remove these 4 screws Remove these 4 screws Remove these 4 screws 49 Chapter Seven Trouble Shooting 7 2 2 Installation of WED 2000AV The installation of WED 2000AV is just to reverse the disassembly process 7 3 Troubleshooting Simple failure Solutions When power on PS indicator light does not turn on and no display on screen 1 Check if 14V of adapter works well 2 Check if battery needs charging Noisy display of image 1 Check if 14V output of the adapter is stable 2 Check if there is electric or magnetic fiend interference around the equipment 3 Check if the probe plug and jack are connected properly Unclear display of image 1 Adjust Overall gain 2 Clear the screen optical filter 7 4 Maintenance of WED 2000AV Digital Ultrasound Scanner Periodic maintenance on the ultrasound system is an effective means to reduce and avoid failures prolong its service life and keep it in good working order at every turn Therefore maintenance on the Ultrasound equipment is a non negligible key job for both operators and engineers This section will introduce basic items methods and matters need attention during maintenance 1 Basic content of maintenance 1 Periodically clear up dust dirt and humidity inside and outside the equipment according to operating
41. nical Instructions V1 20E Chapter Four Operation Sequence NAO FREEZE Picture 4 7 Illustration of Volume Measuring Ellipse Method 4 8 Heart Rate Measuring Only in B M and M Modes 1 In B M mode freeze a satisfying cardiograph 2 Measure the distance between wave crests of two periods by means of distance measuring method and 3 groups of data will be displayed in the lower right hand corner The marks are respectively Time T Cunit ms Heart Rate HR Cunit m Slope EF Cunit mm s 09 01 07 15 95 21 om E PROB SECS FREQ5S3SMiz GAIN 30 IMO 4 32 O 32 1ICO CC0 BCO 09 01 07 SEDA als SEC 1S FREQRES Sklar GAIN 30 IMO 34 32 O 32 SOASIIO BCO D1 21mm Des 1 1432mS HR 72 AS AS NAM FREEZE B M Mode Single M Mode Picture 4 8 Illustration of Heart Rate Measuring 4 9 OB calculation The device 1s capble of measurement on GA of equine bovine sheep swine cat and dog and so on The GA GW can be acquired after measuring GS BL HL SL USD HD BD CRL etc among them the EDD of cat and dog will be given Operation process Freeze the image press to display cat and dof OB menu press shows WED 2000AV Manual Technical Instructions V1 20E 33 Chapter Four Operation Sequence EQUINE GSD BOVINE BL BOVINE SL BOVINE HL SWINE HL SHEEP USD Input the number and select the related OB menu and acquire the distance as per distance measurement
42. nnnnnnnnnnnnnnnnnnnnos 50 Appendix A Acoustic Output TEPON Table E 52 FAN 0 lol 160 be OBS o 55 WED 2000AV Manual Technical Instructions V1 20E Manufacturer Information J Manufacturer Information Name Shenzhen Well D Medical Electronics Co Ltd Add F12 N F13 New Energy B D Nanyou Ave Nanshan District Shenzhen 518054 Guangdong P R China Tel 0086 755 26073353 0086 755 26073350 Fax 0086 755 26411198 Email export welld com cn Authorized agency in EU Name Wellkang Ltd Add Suite B 29 Harley Street LONDON WIG 9QR England United Kingdom Tel 44 20 88168300 88168309 79934346 79276844 Fax 44 20 76811874 Web www CE marking com www CE marking org www CEmarking org E mail AuthRep CEmarking org CE mark CE WED 2000AV Manual Technical Instructions V1 20E l Preface Preface Copyright This publication including pictures and illustrations is property of Shenzhen Well D Medical Electronics Co Ltd and under protection of international copyright law Version V1 20E P N No WED 20 09001EV Statement Information in this document are not annotated to change The manufacture shall not state nor observe any warranty basing on this point and definitely give up any implied warranty basing on any special purpose of selling or making benefit Without previous written permission from the producer this document must not be photocopied reproduced or translated into other languages We prese
43. nostic Apparatus e EMC Electromagnetic Compatibility Standard 6 WED 2000AV Manual Technical Instructions V1 20E Preface Guidance and manufacture s declaration electromagnetic emissions For all EQUIPMENT and SYSTEMS Guidance and manufacture s declaration electromagnetic emission The WED 2000AV Ultrasonic Diagnostic Equipment is intended for use in the electromagnetic environment specified below The customer of the user of the WED 2000AV Ultrasonic Diagnostic Equipment should assure that it is used in such and environment Emission test Compliance Electromagnetic environment guidance The WED 2000AV Ultrasonic Diagnostic Equipment uses RF energy only for its RF emissions Goul internal function Therefore its RF CLSPR 11 emissions are very low and are not likely to cause any interference in nearby electronic equipment o The specimen of WED 2000AV is suitable RF emission Class B for any facility including household and CLSPR 11 public low voltage supply network for households Harmonic emissions Voltage fluctuations flicker emissions Complies IEC 61000 3 3 WED 2000AV Manual Technical Instructions V1 20E J Preface Guidance and manufacture s declaration electromagnetic immunity For EQUIPMENT and SYSTEMS that are not LIFE SUPPORTING Guidance and manufacture s declaration electromagnetic immunity The WED 2000AV Ultrasonic Diagnostic Equipment is intended for use in the
44. o clean the screen after the measuring 4 7 Volume Measuring 1 32 Two methods are available to measure the volume 3 groups of distance data are measured by 3 axis method and the result is obtain by calculation The distance should be measured for three times before the volume measuring and then press to obtain the value If the data are less than three groups there will be no value displaying when you press IM 0 If you input four groups of data and then press the value displayed is the calculating result of the first three groups D1 D2 D3 Procedures Kidney as example 1 Catch the cross and longitudinal sections of the kidney respectively and freeze them 2 Measure the long axis and short axis of the cross section by means of distance measuring 3 Measure the diameter of the longitudinal section by means of distance measuring 4 Press to complete the measuring with the value of volume in Vm1 on the right side as follow Picture 4 6 Illustration of volume measuring 3 Axis Method Measure two groups of perimeter and area by Ellipse Method and obtain the result by calculating Procedures Kidney as example 1 Catch the cross and longitudinal sections of the kidney and freeze 2 Measure the perimeter and area of cross and longitudinal sections 3 The system will automatically complete the measuring with the value of volume in Vm1 on the right side as follow WED 2000AV Manual Tech
45. r carbon tetrachloride These two kinds of detergents are colorless liquid with penetrating odor and prone to vaporize Ventilation and dehumidification If found it is quite humid or after cleaning with alcohol damping cloth it is suggested to process ventilation and dehumidification with fan or hot air fan Strengthening mainly check and wound each fix screw System debug timing and necessary adjustment 3 Notes of maintenance 1 2 3 4 5 6 7 8 Set up scientific system for maintenance work Surface maintenance should be done everyday mainly wipe the exterior of the equipment and check the panel and switch knobs Inner maintenance should be done periodically according to operating ambient in a general way no less than two times in a year and it is advised to be done at the end of spring and middle of autumn because the humidity in spring and torridity in summer and autumn will cause adverse effect on the equipment easily Daily simple maintenance can be done by operators but inboard maintenance should be charged by engineers with the assistance of operators Must not open the cover and start maintenance without instructions During inboard maintenance it is strictly prohibited to power on the equipment Please unplug the system power supply to ensure the equipment and personal safety When finishing maintenance check foul lines and plug in boards of the whole set in case the equipment should be switch
46. rea are confirmed the measuring can be done If measuring should be continued press and or directly press 72 and repeat Step 1 5 You can get 2 groups of data at most The results are on the right side of the screen After measuring press the middle button to clean the screen Volume measuring is in the later chapter 4 5 6 Statistics of Histogram 30 Press in freeze mode the menu is displayed on the screen e Pressi5 4d to selects HISTOGRAM sampling window is displayed Use direction keys or mouse to move l l to certain area and press or the right button to complete the counting with the result on the right side of the screen as follow X axis stands for grey scale and y axis stands for number PT stands for the total number of pixels in the rectangular window Gm stands for the grey scale of the curve at the peak of the y axis Pm stands for the number of pixels in Gm grey scale From the above figure in the rectangular PT 10000 area the total number of pixel dots is 10000 At SO dray scale 52 there are 327 dots the most 170 image pixel dots Picture 4 4 Illustration of the histogram statistics WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence pe S eIn the process press or to reduce or enlarge the sampling window Press 2S to exit 4 6 Distance measuring eKeyboard Operation l Presst 2 in freeze mode the cursor is displayed on the screen 2 Us
47. rs such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the WED 2000AV Ultrasonic Diagnostic Equipment is used exceeds the applicable RF compliance level above the WED 2000AV Ultrasonic Diagnostic Equipment should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the WED 2018 Ultrasonic Diagnostic Equipment b Over the frequency range 150 kHz to 80 MHz field strengths should be less than 0 5V m 8 WED 2000AV Manual Technical Instructions V1 20E Preface Recommended separation distances between portable and mobile RF communications equipment and the EQUIPMENT or SYSTEM for EQUIPMENT or SYSTEM that are not LIFE SUPPORTING Recommended separation distances between portable and mobile RF communications equipment and the WED 2000AV Ultrasonic Diagnostic Equipment The WED 2000AV Ultrasonic Diagnostic Equipment is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the WED 2000AV Ultrasonic Diagnostic Equipment can help prevent electromagnetic interfere
48. rve the right of revision on this document without still further notice Some pictures in this manual which are schematic diagrams for indication only may disaccord with the real object and then the real object should be regarded as the final D w are trade marks of Shenzhen Well D Medical Electronics Co Ltd Any abuse of these trade marks without permission will be sued to assume legal responsibility according to laws Manufacturer s warranty Shenzhen Well D Medical Electronics Co Ltd assumes the responsibility for device security reliability and performance only under the preconditions that the disassembly assembly and maintenance of the device are all performed by its assigned professional and the device is used strictly in compliance with the operation manual Shenzhen Well D Medical Electronics Co Ltd ensures a guarantee period within a year and a half since the delivery day and promises there is no problem with the new device in material and technology Within the guarantee period Shenzhen Well D Medical Electronics Co Ltd will maintain the device and replace the parts of non man made damages free of charge But will not repair or replace the device surface 1f it is damaged This guarantee is only available for failures occurred when the device is operated in compliance with the operation manual And the guaranteed device can only be used in the prescribed range given in manual This guarantee excludes losses or d
49. saccus diameter The method is the same as that of equine O DOG CRL Calculate the gestation age according to dog CRL The method is the same as that of cow O DOG HD Calculate the gestation age according to dog HD The method is the same as that of cat O DOG BD Calculate the gestation age according to BD The method is the same as that of cat Tips After display the OB menu press Od key to exit Note At OB measurement when the distance is less than the following value the GA of this animal will not display Refer to the following table for detailed data 38 WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence D1 lt 6mm D1 lt tmm D1 lt 31mm DOG HD D1 lt 14mm DOG BD D1 lt 16mm 4 10 Image Printing Use Video line to connect VIDEO IN port in the printer and VIDEO OUT port in the device and operate according to the instructions of video printer 4 11 Image upload to computer Connect the USB communication port of the equipment to the computer s USB port The high speed USB2 0 mouthpiece can upload images to the computer at current time In the accompanying disc there are USB device driver and software 4 12 Power Off Press Power on the right side to turn the device off Notes There is still some power consumption in power off state If the device will not be used in a long time the battery should be removed from the main engine and the plug be pulled out
50. sive part and frangible Never hit it or drop it on floor Please use medical ultrasound couplant during diagnoses Do daily inspection on the probe enclosure to see 1f it is cracked and avoid liquid leakage to spoil the built in components Check the probe regularly to see 1f it is filled with clean medical castor oil lest the existing air bubbles influence the image quality If air bubbles appear turn the probe oil filler hole up and screw off the sealing screw turn the probe slowly to drive the air bubbles to the screw hole infuse a little bit of castor oil into the screw hole with syringe with a needle refer to Picture 6 1 vent the air bubbles and fasten the sealing screw and finally clean WED 2000AV Manual Technical Instructions V1 20E 41 Chapter Six Check and Maintenance the oil stain on the probe surface Basa N MS Fo ll _ Oil injection hole Probe chip Scanning direction Picture 6 1 Mechanical sector scan probe oil injection and scanning direction 6 5 Cleansing 1 When the enclosure need cleaning wipe it with soft dry cloths and then wipe gently with sponge dipped with 75 medical alcohol 6 6 Correct usage of probe In order to prolong probe s service life and obtain optimum performance follow these instructions 42 WED 2000AV Manual Technical Instructions V1 20E Chapter Six Check and Maintenance 1 Periodic inspection on probe cable socket and acoustic window 2 Shutdown the device fir
51. st and then connect or disconnect the probe 3 Do not drop probe or flint body and never hit the probe acoustic window otherwise probe should be damaged 4 Never heat the probe 5 Never bend or pull probe cable otherwise the internal connection should be broken 6 Use couplant only on probe header and then clean probe 7 Inspect probe acoustical window enclosure and cable seriously after probe cleaning Never use the probe again if any crack or breakage is found 6 7 Battery information 1 The equipment is fitted with rechargeable li ion battery 2 For optimum efficiency the new battery must be charged and discharged regular service not enforced discharging two or three rounds completely 3 The battery can be charged and discharged for hundred times but it will be worn out When the work time shortens apparently please replace it with a new one 4 Be sure to use electricity charger appointed by Shenzhen Well D Electronics CO Ltd i e AC adapter to charge the battery Do not connect the battery to the electricity charger AC adapter when charging is not needed Do not connect the battery to the electricity charger AC adapter longer than 10 hours otherwise the battery life may shorten The fully charged battery will discharge by itself if it is long time out of use 5 The battery should be charged and discharged once in every 3 months to prevent it unuseful 6 Extreme environment temperature overcooling or overheatin
52. th hand held structure makes it convenient for out diagnoses The device consists of mainframe probe and adapter Standard configuration is S2 3 5MHz mechanical sector scanning probe or S3 3 5MHz waterproof mechanical sector scanning probe with S2 5 0MHz mechanical sector scanning probe and S3 5 0MHz waterproof mechanical sector scanning probe for option 0 The device is proved safe and effective via clinical validation 1 2 Range of application Suitable for diagnosis on swines equines bovines sheeps cats and dogs and other animals WED 2000AV Manual Technical Instructions V1 20E 11 Chapter One Summary 1 3 Technical specification WED 2000AV ana Standard Optional nee 3 5MHzMechanical sector 5 OMHzMechanical sector SGD Displayed Depth mm Maximal detect depth mm gt 140 lt 4 depth lt 80 Resolution Bie a ere lt 3 depth lt 60 lt 5 80 lt depth lt 130 mm Axial lt 2 depth lt 80 lt 1 depth lt 60 ana position Precision 9 Monitor size inch Display modes Image gray scale Depth mm 120 190 Measure functions Distance circumference area volume heart rate gestation age Character display Hospital Name Age Sex Battery capacity 2200mAh Mainframe power 13W at non charging operation 25W at charging operation ARRE er consumption 80VA Mainframe 800g weight Excl probe 1 4 Electric principle block diagram Receiving Regulation Focusing and Correlatio M Mode Amp
53. tilizes matrix form electro crystal electrode array manufactured with thin film technology to control the On and Off of every display point actively by scanning The light source penetrates the lower polaroid upwards and transfers in virtue of liquid crystal molecules When electrodes are conducted the electric field will rotate liquid crystal Because molecular refractivity of the liquid crystal changes with liquid crystal direction The result is the deflection polarity of light is changed when going through liquid crystal molecules ie transmissivity of light is changed thus to achieve the purpose of displaying by shading and light transmission 7 1 2 Motherboard Channel provides voltage pulse for discharging piezoelectric vibrator at the control signal of DSC digi board and processes the receiving return signal that is return signal anterior pole amplification rectification aperture transformation phase transformation signal processing STC control probe auto recognition and then the postamble is sent to DSC digi board DSC generates control address codes to control the work of channel board and process the return signal digitally Signal pre amplification DBF RDA DRA DRF DFS 8 TGC frame correlation regulation and so on together with character signal they are synthetised into digital video signal At last they are translated into analogous VGA signal and PAL D signal via different D A change over circuits for displayi
54. tion 1 Heat radiation holes are strictly prohibited to be covered 2 After closedown do not switch on the device within 2 3 minutes 3 On scanning if any abnormal case is found stop scanning immediately and shut down the device After operation 1 Power off the device 2 Pull out the plug from power supply socket instead of pulling the cable 3 Clean off the couplant on the probe with soft medical sterilized cotton ball General Safety Message Safety of the operator and patients and reliability of the device are taken into consideration during designing and producing the following safety precaution must be implemented 1 The device shall be operated by qualified operating staff or under their instructions 2 Do not open the device and change the parameters without permission If necessary please turn to for Shenzhen Well D Medical Electronics Co Ltd or its authorized agent for service 3 The device has already been regulated into its optimal performance Do not adjust any preset control or switch unless operate as per instructions in the manual 4 If there is device failure please shut down the device at once and contact for Shenzhen Well D Medical Electronics Co Ltd or their authorized agent 5 If 1t is needed to connect the device with other company s electronic or mechanical devices please contact Shenzhen Well D Medical Electronics Co Ltd before connection 6 Device operation storage and transportatio
55. w CE WED 2Z000AV Veterinary Ultrasound Scanner User Manual Shenzhen Well D Medical Electronics Co Ltd Content Manutacturer atorado iii l A AA A A EE E PAT AEE ST AE A T A E AT E S T E E E E E ccs 2 SU A E A A ERT RCA OT ERA 2 SEE 6 a E ES AA AA RN 2 Manttactuteos Wal Alby oee 2 Matters TNC CCA TLC TAO Mii OR 3 Sale la OCIS scoala ws eget E re ct tases Sino cat A O aca 3 IDEVice Salcly clasica o a ee o cone 4 General tips fOr de vic OPEL aio 4 General Salety Messa TE carlistas 4 Execution standard CS A cian 5 Cone A A shooaciancss 10 Chapter One ii A AN 11 FARBI O IA EOC alo er o o O O O soeenetesecmnene set 11 DA it rece Sache est eet et cee eet es 11 Lo Tech ical SPECIAL A a oi 12 LA Blecthic principle DOCK dra a lila ieee teenies 12 ES Basie prnl A A E A AI 12 L 0 Device CONSUE Missi iii 13 1 6 1 WED 2000AYV standard layout DIE ti 13 1 0 2 gt W ED 2000 AYTO PIECES alvaro ai n areae ea 13 BP POC AU AIC AAA o uo O sta Wakeham ena 13 LBM Statement A id 14 Chapter Two Instala a a roo ici 15 Zo Operatine environmental requirements A ee A E Eo 15 22 Win ac KAM MS BE CU O asini a E EE ANAE EAA AAE E 15 23 Tnstalaton and disa Semb rt is E E AA AE A TA 15 2 3 1 Connection between probe and main Ult oooonnnnnncnnnnoncncnonononnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnss 15 2 32 Installs and disassemblino Dali iii 16 2A POW Cl SUPPI Y eria iaa 17 ZA EPower sappy de id NE 17 ZA BINEN OPeralOu oa ee ave avd
56. y models and types 21 Do not use the battery if it is smelling heating straining discolored or with other abnormal phenomena and remove it from the current consumer or electricity charger immediately and stop using it any longer 22 Do deal carefully with the discarded battery according to local related waste handling regulations 6 8 Instrument test and calibration 1 Check the leakage current of the device annually referring to the following data Requirements da Leakage current to Continuous leakage Shell current under normal Single Malfunction temperature uA Leakage current to Patient l l Single Malfunction i i 4000V lmin Dielectric endurance under normal temperature V A a2 No flashover ree No breakdown 2 Test the software of obstetrics area and circumference measurement please refer to Appendix B for detailed data 44 WED 2000AV Manual Technical Instructions V1 20E Chapter Seven Trouble Shooting Chapter Seven Trouble Shooting 7 1 Device board principle and hardware pictures WED 2000AV Digital Ultrasound Scanner consists of LCD monitor Motherboard Interface plank keyboard probe and others 7 1 1 LCD TFT display LCD TFT screen basic principle LCD TFT liquid crystal display technology adopts active matrix as its driving mode It is a kind of AM LCD in active matrix LCD families There are special light pipes on the back of TFT which can control each pixel of the display actively It u
57. y use over the designed use life it may bring the problem of the performance reduced and fault rate raise The Discard the device according to local law Do not discard it mixing with other household garbage 6 2 Check Check the device power cord and probe cable and waterproof cover if find any damage or breakage must not use the device and replace the broken immediately Check if the probe and main unit are connected rightly Check the adapter EPS regularly when the supply voltage exceeds specified accommodation limit AC100V 240V 10 50 60Hz Do not supply the main unit or charge the battery with adapter Check the adapter power cord and probe cable if find any damage or breakage replace the broken immediately Adapter is the dedicated power of the device it adopts omniseal insulation design do not replace it with other adapters or attempt to open it incase there be any hazard 6 3 Main unit maintenance Instrumentation environment should accord with 2 1 operation environmental requirement If device enclosure needs cleaning shutdown the device first and then wipe with alcohol sponges Device should not turn on and off frequently When the device does not work for a long time pack the device according to the instructions on the packing Store it properly in the warehouse The storage environment should accord with 5 1 Transportation and storage environmental requirements 6 4 Probe maintenance Probe is an expen
58. yed on the screen Move the probe and find out the right place Adjust the gain to maintain the best image Attention 1 Excessive force is not allowed while the probe touching diagnostic area for it may damage the probe 2 Use appropriate probe to diagnose 4 3 Modify Image Parameters The parameters include frequency of probe gain brightness and contrast Press or in real time state one of them is lightened Usel A 3 and to set the parameters and they are displayed in the upper right hand corner WED 2000AV Manual Technical Instructions V1 20E 23 Chapter Four Operation Sequence 4 3 1 Frequency Setting Press or in real time state to lighten frequency in the upper right hand corner and use and to adjust with the range of 2 5MHz 3 5MHz 5 0MHz 4 3 2 Gain Setting Press or in real time state to lighten gain in the upper right hand corner and use and to adjust with the range between 0 and 60 4 3 3 Modify Brightness and Contrast Press or to lighten SO and use and to modify the brightness and contrast 4 4 Note In freeze state press ABC and the note menu is displayed as follow You can complete these functions V1 20 O NAME 1 AGE 2 SEX 3 COMMENT 4 TIME 5 HOSP 6 LANGUAGE 7 ERASE 8 DEFAULT SET 9 BEEP ON V1 20 Software Version Number e Press gt select O NAME to input the patient name as follow PLEASE ENTER NAME 0 A 1 B 2 C 7 D 8 E 9 F There are 26 letter k
59. yed when you press it and enter distance measure Middle ePress it in real time or freeze mode the function is the same as Right elt can identify the start and end place of the cursor in the mode of distance measure and shift between the two elt can identify the start place of cursor in perimeter and area measure by free hand method and complete the measure a Fo l l elts function is the same as in perimeter and area measure by ellipse method 22 WED 2000AV Manual Technical Instructions V1 20E Chapter Four Operation Sequence Chapter Four Operation Sequence 4 1 Power on Press Power the indicator is lighten and starting interface appears At this moment press any key except and D to enter scanning state Modify the gain to satisfy the reader GY ULTRASOU ND SCANNER Picture 4 1 Start Interface Notes You can adjust the observation angle for better displaying effect for the effect is associated with the observation angle Attention Screen tearing or disorder might occur after being switched on This is due to unstable battery level or environmental electromagnetic interference Please reset to fix this problem Attention The cooling holes in the back can not be covered or the device may be damaged by overheat 4 2 Diagnose Spread medical sonic couplant on diagnostic area and attach the probe sound window closely to it The ultrasound image of the tissue section will be displa

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