LifeDop 150 User Manual
Contents
1. LCD Display L250 Series models The LCD display optional allows you to view the fetal heart rate in larger easy to read digits monitor battery life and battery recharging observe signal strength indicators Play Record functions and multiple diagnostic indicators that ensure your unit is functioning at peak performance levels Units without LCD display incorporate bright easy to read LED indicators that also allow you to monitor battery life battery recharging and Play Record functions as appropriate to your unit Record available in model numbers with A This unique built in enhancement allows you to record Doppler sounds during an examination and refer to these sounds for later evaluation replay for parents or colleagues or download the audio to a PC for permanent storage or e mail NOTE Downloading is allowed in those models with AR MANOOO01 DFU e Rev B 3 14 4 Wallach Surgical Devices Probes LiteDop Doppler ultrasound transducers were designed to meet your specific applications needs Each probe has been ergonomically designed for comfort while providing excellent maneuverability for locating the fetus or vascular target Each probe is carefully measured and tested to ensure it meets exacting performance standards 2 MHz Late term obstetrical examination This probe frequency is typically used during the last trimester for deep fetal positions associated with larger women Waterproof versions of2. then exit The recorder is now set up to use the audio as an input Restart the Sound Recorder Application and record as directed above When the audio playback is finished click on the STOP icon in the Sound Recorder The file can be played back on the PC by clicking the PLAY icon in the Sound Recorder or the file can be stored by selecting FILE SAVE AS to locate and name the file Refer to your PC User s Manual for problems associated with the sound card or Sound Recorder Application MANOOO1 DFU e Rev B 3 14 10 Wallach Surgical Devices For use with Apple i computers Please note SimpleSound is a program associated with OS 9 or earlier operating systems For OS X or later operating systems SimpleSound may not be included 1 To download the audio to a PC for permanent storage connect one end of the provided 3 5 mm audio cable into the Audio Out jack on the side of the LifeDop Connect the other end of the cable into your Mac sound card Audio In microphone port 2 On your Macintosh open the SimpleSound Application that is usually found in the Apple Menu If you are unable to locate the application in the Apple Menu do a FIND for SIMPLESOUND 3 Once you open SimpleSound an AlertSounds box may be shown Select File and then New to open a new audio file 4 Click on the highlighted RECORD icon in SimpleSound to start recording 5 Press the PLAY button on the LifeDop The audio should now be playing
3. and the Macintosh downloading the audio information as indicated by the graphical waveform from the Speaker icon 6 If there is no graphical waveform from the Speaker icon while you are hearing the audio from the LifeDop then the computer s input is not selected properly To choose the proper input return to the Apple Menu and open the Control Panel Open the Sound Application and select Input Select External Mic as the built in sound source 7 The computer is now set up to use the LifeDop as an input Restart the SimpleSound Application and record as directed above 8 When the audio playback is finished click on the STOP icon in SimpleSound The file can be played back by clicking the PLAY icon in SimpleSound or the file can be stored by selecting SAVE to locate and name the file Refer to your computer s User Manual for problems associated with the sound card or SimpleSound Application MANOO01 DFU e Rev B 3 14 1 Wallach Surgical Devices Obtaining Doppler Signals Caution e Doppler examinations should be performed only by trained individuals For any Doppler examination it is essential that an adequate supply of coupling gel is used to transmit the ultrasound energy from the probe to the surface of the skin Re apply more gel if it starts to dry out or spread so thinly that an air gap occurs between the probe and the skin Itis not necessary to cover the entire surface of the probe only the probe face Applying t
4. 99 2000 Fax 203 799 2002 customerservice wallachsurgical com www wallachsurgical com 2014 Wallach Surgical Devices Made in the USA MANOOO1 DFU e Rev B 3 14 Wallach Surgical Devices
5. BUTTON PLAY LED 4 RECORD LED BELT CLIP MODEL SERIAL NUMBER LABEL VOLUME SLIDER BATTERY DOOR MANOOO1 DFU e Rev B e 3 14 6 Wallach Surgical Devices HEART RATE INDICATOR BATTERY PROBE LEVEUIRECHARGE FREQUENCY INDICATOR INDICATOR ERROR INDICATOR PLAY INDICATOR DIGIT DISPLAY AREA RECORD INDICATOR SIGNAL QUALITY INDICATOR LCD Panel for Display Units Only Turning Unit On Off Turn the unit on by pressing the On Off button LED or LCD indicators depending on the model indicate power status The LifeDop automatically shuts itself off after 3 minutes if it is not being used This complete power shutdown preserves the life of the batteries and ensures the unit will be ready for operation in case it was accidentally left on Diagnostic Monitoring LCD Display units only Once the unit is on the LifeDop display units perform a series of diagnostic checks The unit first checks and temporarily displays the frequency of the probe that is being used This display will not reappear unless the probe is changed or the power is cycled in which case the display will again temporarily confirm the frequency of probe that is connected The unit then checks for proper internal operating temperature battery voltage reference voltage and power supply voltage levels If any of these characteristics are out of range the display will show the ERROR indicator and a failure code associated with the diagnostic error Diagnosti
6. Recharge indicator off after charging Battery level error has occurred refer to Diagnostic Codes and contact service Rechargeable unit does not hold a charge Verify that the correct recharge adaptor is being used Use only Wallach Surgical Devices products Batteries are old Refer to Maintenance Section MANOOO1 DFU e Rev B 3 14 16 Wallach Surgical Devices Radio Frequency Interference The LifeDop was tested for immunity to electromagnetic interference at a level of 3 V meter Interference during normal operation may occur in the presence of fields stronger than 3 V meter If this occurs try to increase the distance between the LifeDop and the source of interference Contact Wallach Surgical Devices for more information Diagnostic Codes Contact Wallach Surgical Devices Service Department 1 Temperature too low 5 5 Volt Supply too low 2 Temperature too high 6 5 Volt Supply too high 3 Reference Voltage too low 7 Battery Voltage too low 4 Reference Voltage too high 8 Battery Voltage too high Reference materials for Obstetrical and Peripheral Vascular testing Handbook of Fetal Heart Rate Monitoring Julian T Parer 1997 Doppler Ultrasound and Its Use In Clinical Measurement Peter Atkinson and John P Woodcock 1982 Noninvasive Diagnosis of Peripheral Vascular Disease W Robert Felix Jr 1988 Current Noninvasive Vascular Diagnosis Ali F Aburahma Edward B Diethrich 1988 Acc
7. SummitDeppler a WALLACH brand User Manual for LifeDop L150 Series Handheld Doppler without Display L250 Series Handheld Doppler with Display L150 L150A L150R L250 L250AR L250R WALLACH C oose MANOO001 DFU Rev B e 3 14 Wallach Surgical Devices Thank you for choosing LifeDop Doppler products We believe you have purchased the finest handheld Doppler on the market today Your total satisfaction is our highest priority as we strive to continually improve our products and services Please contact us with any suggestions We look forward to enjoying a long term relationship with you Wallach Surgical Devices 95 Corporate Drive i Trumbull CT 06611 USA Year of manufacture located on the device Here s how you can reach us Phone 1 800 243 2463 203 799 2000 Fax 203 799 2002 e mail us at customerservice wallachsurgical com visit our website at www wallachsurgical com Table of Contents Page Intended Use Contraindications Warmings cccccccsssssssecceccccceeesesesececceeeeaeeeseeeeeeeseseaaeeeeees 2 Desc PUoONror TOUUET E 4 Opcratonand TANS CAA Oia a ete aca a cae 6 Obtaimine Doppler Sinai i ccnisciariinvisteastaladurtintualialagnyvis Samtaionen tunica ucaunaalodeoneets 12 Mamtenance and C lS Ani orrai aaa a 14 Roplacme BINC Sena E A E 15 TVOUDIE SHOOMMNG gicetacnieaieedcataieiua E 16 CTIMICAI IS CLO TCU COS hosetinr ser ducncataaisuidtenamnaadiesdinademadubnenyaasaind
8. The steeper the probe angle 1s the higher the frequency of the sound Peripheral venous sounds are not typically periodic and vary greatly depending on patient movement and breathing These sounds are more like the wind at the ocean and vary in pitch as the patient moves or breathes 4 MHz Vascular The use of the 4 MHz vascular probe is the same as the 8 MHz as described above except tilting the probe 45 degrees is not necessary since the crystals are angled inside the probe cap This allows the user to simply place the probe flat on the peripheral vascular surface to scan for the flow sounds by moving the flat probe face across the skin surface above the vessel Proper alignment of the 4 MHz vascular probe with respect to the vessel MANOOO1 DFU e Rev B 3 14 13 Wallach Surgical Devices Maintenance and Cleaning Warnings e The LifeDop is not designed for liquid immersion Do not soak the Doppler main unit or probes in liquids Use only spray or wipe cleaners and disinfectants Do not use products containing bleach e The LifeDop is not designed for sterilization processes such as autoclaving gamma radiation or hydrogen gas e The LifeDop is not intended to be used on open skin If there is evidence of open wound contamination disinfect the probe before using again as described below The LifeDop Doppler requires very little maintenance However it is important to continuing function of the unit and the health of the patien
9. act Wallach Surgical Devices for service It is recommended that rechargeable batteries be replaced annually MANOO01 DFU e Rev B 3 14 14 Wallach Surgical Devices Replacing Batteries Cautions e Replace batteries only with batteries supplied by Wallach Surgical Devices See the Accessories section for reordering of parts information e The battery compartment only accepts AA size batteries See the Accessories section for reordering of parts information Open the battery compartment by depressing the tab and pulling outward on the battery door Remove the existing drained batteries by pushing on the end of the battery that compresses the battery contact spring and lift upwards It is acceptable to carefully use a simple tool such as a pen to assist in lifting the batteries out Batteries slide into compartment Replace the batteries by paying close attention to the polarity indicators on the battery and the polarity indicators on the battery holder in the compartment Positive aligns with positive button and negative aligns with negative spring Insert the battery such that the spring contacts are loaded first and then press the battery firmly into place After all three have been inserted replace the battery door Warning e If the batteries have been inserted incorrectly the unit will not function but the LifeDop will not be damaged MANOOO01 DFU e Rev B 3 14 15 Wallach Surgical Devices Troubleshooting Wa
10. ance beam dimensions cm These dimensions are the same as the dimensions of the transmit crystal Measurement Uncertainties Power 34 42 Pressure 11 16 Intensity Ispta 23 26 Frequency 5 Acoustic Output Parameters are measured in water Derated values denoted by the subscript 3 take into account a conservative level of attenuation that would be encountered in the human body The derated intensity values 13 are obtained from water values of intensity I at a depth of z calculated by I exp 0 23 0 3 f z I where f is the probe frequency in MHz and z is the depth in centimeters The derated peak rarefactional pressure is calculated from the value of measure water pr by P 3 exp 0 115 0 3 f z p where pressure is given in megapascals Additional Output Reporting Information for IEC 61157 4 MHz I lt 91 mW cm 5 MHz I lt 51 mW cm 8 MHz I lt 47 mW cm The 2 MHz 2 MHz WP and 3 MHz obstetrical probes are exempt from the declaration requirements of IEC61157 These probes meet the conditions Io lt 20 mW cm Ispta lt 100 mW cm and P lt 1 MPa I is output power divided by beam area Note that parameter Z in the probe reporting tables is the same parameter as I in IEC 61157 MANOOO1 DFU e Rev B 3 14 20 Wallach Surgical Devices Warranty and Servicing Policy The warranty on this product is that it will be free from defects in material and workmanship for 24 month
11. andards such as IEC601 1 IEC60065 UL2601 1 or UL544 The LifeDop Doppler is not specified for connection to any line powered accessories while it is being used on a patient For use with IBM style PCs using Microsoft Windows Operating System To download the audio to a PC for permanent storage connect one end of the provided 3 5 mm audio cable into the Audio Out jack on the side of the LifeDop Connect the other end of the cable into your PC sound card Audio In port typically the blue connector on the sound card Using operating system Windows 98 or higher on your PC select the Sound Recorder Application by selecting START MENU PROGRAMS ACCESSORIES ENTERTAINMENT SOUND RECORDER Click on the highlighted RECORD icon in the Sound Recorder Application to start recording Press the Play button on the side of the LifeDop Doppler The audio should now be playing and the PC downloading the audio information as indicated by the graphical sound waveform If the sound waveform is a flat line while you are hearing the audio from the LifeDop then the recorder input is not selected properly To choose the proper input open the Volume Control Application by selecting START MENU PROGRAMS ACCESSORIES ENTERTAINMENT VOLUME CONTROL Click on Options and then Properties Click on Recording and ensure that the LINE IN box is checked then click OK In the Recording Control Screen ensure the Select Box for LINE IN is selected and
12. ay not be relevant to extended exposure times and altered exposure conditions It is therefore considered appropriate to make the following recommendation In those special situations in which examinations are to be carried out for purposes other than direct medical benefit to the individual being examined the subject should be informed of the anticipated exposure conditions and of how these compare with conditions for normal diagnostic practice MANOOO1 DFU e Rev B 3 14 3 Wallach Surgical Devices Description of Product The LifeDop Doppler is factory configurable to include many different features and product enhancements Along with user interchangeable ultrasound transducers the LifeDop Doppler device is well suited to meet your specific needs Main Unit The main handheld unit is ergonomically designed to fit the palm of your hand with comfort and allow easy access to each control feature Each unit is individually tested and inspected to ensure the highest quality standards SSQ available in all models Superior Sound Quality Every LifeDop Doppler is designed with a state of the art sound system that produces excellent sound quality and long term reliability Recharge available in model numbers with R We offer the ease of use of a rechargeable system or the attractive cost of a non rechargeable unit Either way the LifeDop Doppler battery system has been designed with your long term battery life needs in mind
13. c functions are periodically checked while the unit is on to ensure the Doppler is operating at peak performance Refer to the Troubleshooting section for a listing of failure codes MANOOO1 DFU e Rev B e 3 14 7 Wallach Surgical Devices Battery Monitoring All LifeDop Doppler units perform continuous battery monitoring and give a visual indication of battery level Display units use a multiple level battery shaped indicator that indicates the voltage level of the battery The battery outline will flash when the battery level is very low indicating that the user should change or charge the batteries depending on the model soon after the current examination is complete See the Recharging section to learn how to recharge the batteries Non display units use the On Off LED as a battery indicator by flashing at a low rate approximately once per second when the battery level is low Several exams can still be performed in this state of operation The battery indicator will flash at a higher rate approximately twice per second when the battery level is very low The user should change or charge the batteries depending on the model soon after the current exam is complete See the Recharging section to learn how to recharge the batteries Remember if your unit has alkaline batteries do not recharge them Recharging Rechargeable units only Warnings e Do not use any other wall adaptor unit other than that supplied with the LiteDop Doppler Majo
14. cal Devices for further clarification Caution e Dropping the LifeDop probe or accessories may cause damage to the housing or electronics and utilize natural resources prudently and rationally do not dispose of waste electrical or K In order to preserve protect and improve the quality of the environment protect human health electronic equipment WEEE as unsorted municipal waste Contact local WEEE disposal sites Safety of Ultrasound LifeDop Dopplers were designed with physician and patient safety in mind In early design phases all potential hazards were eliminated or reduced to As Low As Reasonably Achievable ALARA by adhering to good design practices and industry wide safety standards Ultrasound procedures should be performed with the ALARA principle in mind when delivering ultrasound energy into the body MANOOO1 DFU e Rev B e 3 14 2 Wallach Surgical Devices The following official statements from the American Institute of Ultrasound Medicine AIUM are provided for your general information regarding the safe use of ultrasound Clinical Safety Approved March 1997 October 1982 Diagnostic ultrasound has been in use since the late 1950s Given its known benefits and recognized efficacy for medical diagnosis including use during human pregnancy the American Institute of Ultrasound in Medicine herein addresses the clinical safety of such use There are no confirmed biological effects on patients or instrument operators cause
15. ctions prior to shipping 2 Clean the product prior to shipping 3 Ensure the device is well packaged and suitable for shipment Send the product to Repair Department Wallach Surgical Devices 95 Corporate Drive Trumbull CT 06611 USA For customer service please call 1 800 243 2463 or 203 799 2000 MANOO01 DFU e Rev B 3 14 21 Wallach Surgical Devices Explanation of Symbols Reorder number A Keep dry a Serial number IN Type B Applied Part oe Class II Equipment BA See instructions for use Caution Not made with natural rubber latex Manufacturer Date of manufacture Rx Only Caution U S Federal law restricts this device to sale by or on the order of a physician Symbol indicates that the device should be sent to the special agencies according to local regulations for separate collection after its useful life C 0086 Product conforms to the Medical Device Directive 93 42 EEC Authorized Representative in the European Community LifeDop Summit Doppler and Wallach are trademarks of CooperSurgical Inc Clorox is a registered trademark of The Clorox Company Microsoft and Windows Operating Systems are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Apple is a trademark of Apple Inc registered in the U S and other countries WALLACitT SURGICAL DEVICES 95 Corporate Drive Trumbull CT 06611 USA Phone 203 7
16. d by exposures from present diagnostic ultrasound instruments Although the possibility exists that such biological effects may be identified in the future current data indicate that the benefits to patients of the prudent use of diagnostic ultrasound outweigh the risks if any that may be present Prudent Use Approved May 1999 The AIUM advocates the responsible use of diagnostic ultrasound The AIUM strongly discourages the non medical use of ultrasound for psychosocial or entertainment purposes The use of either two dimensional 2D or three dimensional 3D ultrasound to only view the fetus obtain a picture of the fetus or determine the fetal gender without a medical indication is inappropriate and contrary to responsible medical practice Although there are no confirmed biological effects on patients caused by exposures from present diagnostic ultrasound instruments the possibility exists that such biological effects may be identified in the future Thus ultrasound should be used in a prudent manner to provide medical benefit to the patient Safety in Training and Research Approved March 1997 March 1983 Diagnostic ultrasound has been in use since the late 1950s There are no confirmed adverse biological effects on patients resulting from this usage Although no hazard has been identified that would preclude the prudent and conservative use of diagnostic ultrasound in education and research experience from normal diagnostic practice may or m
17. eo plug Tip Audio out Ring Audio out Shaft Ground Operating Conditions There are no user controls which affect the ultrasound output MANOO01 DFU Rev B 3 14 18 Wallach Surgical Devices Transducer Model _LifeDop 4 MHz Operating Mode _Continuous Wave cw Application s _ Peripheral Vascular IspTas Isppas Global Maximum Values Maximum Value Associated Acoustic Parameter Transducer Model _LifeDop 5 MHz Operating Mode Continuous Wave cw Application s _ Peripheral Vascular Associated Acoustic Parameter Transducer Model _LifeDop 8 MHz Operating Mode Continuous Wave cw Application s Peripheral Vascular Associated Acoustic Parameter MANOO01 DFU e Rev B 3 14 19 Wallach Surgical Devices Obstetrical Probe Information Model Number ara an Caen Igata the spatial average temporal average intensity mwatts per cm Ispra3 the derated spatial peak temporal average intensity mwatts per cm Isppa3 the derated spatial peak pulse average intensity watts per cm MI the Mechanical Index Pis the peak rarefactional pressure megapascals associated with the transmit pattern giving rise to the value reported for MI W the total time average ultrasonic power mwatts fe the probe center frequency MHz Za the axial distance at which the reported parameter is measured cm X 6 Y are the 6dB beam dim in the x y plane where z is found cm EBD the entr
18. essories To order accessories gel batteries recharger stands probe cleaner or carrying case contact Wallach Surgical Devices at 1 800 243 2463 or 203 799 2000 to order by phone MANOOO1 DFU e Rev B 3 14 17 Wallach Surgical Devices Specifications Degree of protection against electric shock Type B Applied part ol Class II Equipment Degree of protection against ingress of water 2 MHz Waterproof IPX7 entire probe and cable excluding connector All other probes IPX4 extending 2 5 cm from tip IPX1 entire probe 2 5 cm from tip excluding connector Designed and tested to meet IEC601 1 IEC60601 1 2 IEC60601 1 4 IEC60601 2 37 ENS5011 A Dimensions h x w x J Weight Operating temperature Operating humidity Transport Storage temperature Transport Storage humidity 140 x 70 x 35 mm 320 grams 10 to 40 C 30 to 75 20 to 50 C 5 to 90 non condensing beyond 30 days battery to be stored between 20 and 30 C Battery type and voltage Battery life Audio bandwidth and power Record sampling rate duration Heart rate calculation accuracy Audio cable pin out L250AR version only Three AA Alkaline 1 5 volt non rechargeable Three AA NiMH 1 5 volt rechargeable Batteries provided with LifeDop Doppler 1000 1 minute exams NiMH 1250 1 minute exams Alkaline 350 Hz 2 KHz 0 5 W 4 KHz 32 seconds 3 BPM over range 50 to 220 BPM 3 5 mm ster
19. nits the Play indicator is on during playback For non display units the Play LED is on during playback The recorded audio files are not re processed for heart rate calculation heart rates must be determined manually in the play mode The unit will continue to play the recorded audio until either the end of the stored data or until the Play Record button is pressed again This will stop the playback audio and the unit switches back to real time audio when the indicators turn off Volume control remains functional during playback Record To record a new audio file on the LifeDop Doppler obtain the desired Doppler signal and press and hold the Play Record button until the Record LCD indicator or Record LED comes on approximately 4 seconds Once the indicator has turned on and the button is released the Doppler signal will be stored for 32 seconds or until the Play Record button is pressed again Either of these events will stop the recording audio mode Press Button to play hold 4 seconds to record REC gt Audio Jack from cable plugs into output connector L250AR Only Recording a new audio file automatically overwrites any previous recording MANOOO1 DFU Rev B e 3 14 9 Wallach Surgical Devices l Download to Personal Computer LISOA and L250AR only PC Sound Card Required Warnings e The audio headphone output should only be connected to external line powered accessories that comply with recognized safety st
20. oo much gel makes the unit difficult to clean and does not aid in the performance of the probe Volume Slider The audio level can be adjusted using the Volume Slider Moving the slider up will increase the volume while moving it down will decrease it Signal Quality Indicator Display units only An inadequate signal can produce erroneous rates from the heart rate calculation The signal level that is being obtained is shown on the Signal Quality Indicator bars This indicator provides a visual aid in obtaining a strong audio signal by showing the pulsatile nature of the signal A large difference between the highest and lowest signal bars that are lit confirms that the quality of the signal is good and thus ensures the heart rate calculation 1s operating at peak performance The heart rate can be verified manually by counting the audible beats for 20 seconds and multiplying by 3 or for 15 seconds and then multiplying by 4 Counting for less than 15 seconds is not recommended due to a decrease in accuracy with the small sample size Obstetrical Fetal heart sounds are quite different from peripheral vascular blood flow sounds Fetal sounds are typically much lower in frequency and much higher in rate For early term fetal detection start the probe at the pubic bone and slowly move along the midline rocking the probe slowly from side to side until a heart beat is heard For mid to late term fetal detection the best chance of finding the heart
21. r damage to electrical components is likely to occur See the Accessories section for reordering of parts information e Do not attempt to recharge alkaline batteries Major damage to electrical components 1s likely to occur It is recommended that the LifeDop Doppler to be recharged prior to first use To recharge the unit plug the recharge jack from the wall adaptor into the unit s recharge connector For display units the battery shaped indicator will cycle in a repeated rising pattern to indicate the unit is recharging For non display units the Recharge LED will turn on Recharge Jack from power supply plugs into connector 85 YDE 0 The recharge cycle will be limited to 14 hours or until the maximum battery voltage level has been reached Once the recharge cycle has been discontinued normally the LCD indicator or the Recharge LED will flash at a low rate The unit will not overcharge the batteries If it determines that the batteries do not require charging the charge cycle will be interrupted after 30 seconds MANO0001 DFU Rev B 3 14 8 Wallach Surgical Devices Play and Record Recorder units only Caution To distinguish between live audio and playback audio refer to the Play indicator or Play LED If the indicator is on the sound is coming from a recorded signal Play To listen to a pre recorded audio file on the LifeDop Doppler press and release the Play Record button on the side of the unit For display u
22. rning e Use alternate equipment in case of unit failure Call Wallach Surgical Devices Service Department if the probe or main unit malfunctions Caution e Do not drop or mishandle the LifeDop probes or accessories Damage to sensitive electrical components speaker cables transducers or plastic is likely to occur Poor sound quality Inadequate gel use Try to relocate the probe for a better signal refer to Signal Strength Indicator Improper choice of probe Frequency Interference from other equipment Probe coiled cable or battery contacts may be intermittent Debris in the speaker may cause poor sound Device damage from dropping the LifeDop probes or accessories Heart Rate inaccurate Try to relocate the probe for a better signal refer to Signal Strength Indicator For OB ensure maternal sounds are not mixing with fetal sounds Ensure by manual counting that the rate 1s between 50 and 220 BPM Battery indicator flashing Consult the Battery Monitoring Section replace batteries as described in Replacing Batteries Probe frequency does not match the connected probe Check probe that is attached to ensure it is the correct one or check to see if probe is attached If the correct probe is being used contact Wallach Surgical Devices Service Department Error 5 or 7 Batteries are low They require replacing or recharging Recharge indicator flashing Recharge cycle is complete or the batteries didn t require recharge
23. s from the original sale of the device Product life 1s specified to be 5 years from manufacture though the device may be repairable beyond this timeframe This includes all parts and labor required to repair or replace the unit to original specifications and shipping costs associated with sending the product back to the customer Customer is responsible for providing adequate packaging materials and shipping costs to Wallach Surgical Devices Products shall be repaired or replaced in a reasonable amount of time Wallach Surgical Devices liability for any claim is limited to materials and labor associated with repair or replacement In no event shall Wallach Surgical Devices be liable for incidental or consequential losses or damages in connection with the purchase of this product Wallach Surgical Devices disclaims all express or implied warranties agreements or arrangements other than issued in this warranty Wallach Surgical Devices is not responsible for damages to the device that occur as a result of the inadequate packaging on return shipments to Wallach Surgical Devices improper maintenance or cleaning as described in the user manual misuse abuse alteration of the equipment from its original specifications or dismantling the unit other than by Wallach Surgical Devices approved service technicians Service Returns To return products 1 Call Wallach Surgical Devices to obtain a Return Authorization and to receive any final instru
24. sounds are to start on the fundus and move toward the navel and from one side of the abdomen to the other slowly rocking the probe until the heart beat 1s heard The fetal heart reminds many people of a galloping horse and can vary in tone from a distant swishing sound to a hard clopping sound depending on the position of the baby and probe MANOOO01 DFU Rev B 3 14 12 Wallach Surgical Devices Obstetrical continued Many times when attempting to detect the fetal heart the maternal vascular sounds are heard instead of or in some cases 1n addition to the fetal sounds These maternal sounds can come from one of the major arteries the placenta or the umbilical cord The maternal vascular sounds are typically higher in frequency at a lower rate The heart rate calculation will display either the maternal rate or the fetal rate whichever portion of the signal is stronger If the fetal heart sounds cannot be located using the procedure as described above a second exam should be performed using another commercially available fetal monitor as a repeated test 5 and 8 MHz Vascular Peripheral arterial sounds are typically higher in frequency For the best sounds angle the probe approximately 45 degrees from the skin surface over the general location of the vessel Slowly move the probe side to side and vary the angle of the probe until the vascular sounds are heard Changing the angle of the probe has an affect on the frequency of the sound
25. te EN 17 ACCON SOVICS stp cate cat sce iat ea nce te eee eee ce 17 IP OON pneunmnetr menteremer Enea tnae E onter Se tet ene eevee eee ana n rer eee an er eer en 18 Warran aNd Ser ViCIne POMC Y tse uceas ie AE A a a uiaett 21 Explanation OF SYMDOIS arean a E E siete loin 22 Please read the manual carefully and become familiar with the operation features and maintenance of your LifeDop prior to using the device or accessories EMERGO EUROPE E C Molenstraat 15 2513 BH The Hague The Netherlands C oose MANOO01 DFU e Rev B 3 14 l Wallach Surgical Devices Intended Use Obstetric 2 and 3 MHz Probes This product will be used to detect fetal heart beats as an aid for determining fetal viability Vascular 4 5 and 8 MHz Probes This product will be used to detect blood flow in veins and arteries for assisting 1n the detection of peripheral vascular disease Caution e U S Federal law restricts this device to sale by or on the order of a licensed practitioner Contraindications Warnings e The vascular probes 4 5 and 8 MHz are not for fetal use e The ultrasound probes are not to be used on or near the eyes e The device is for use only on intact skin e Do not plug any part of this device into a telephone or modem system e This device is not intended for use with HF surgical equipment If there are questions or concerns regarding these warnings or contraindications please do not hesitate to contact Wallach Surgi
26. the 2 MHz probe are available 3 MHz Early and general purpose obstetrical examination This probe frequency is a general use model ideal for most stages of fetal examination Fetal heart sounds can be heard as early as 12 weeks and sometimes sooner depending on the position and size of the fetus 4 MHz Broad This unique peripheral vascular probe is ideal for quickly locating brachial radial and ankle arteries in the performance of Ankle Brachial Index testing The broad beam of the 4 MHz probe allows the user to place the probe over the general location of the artery and with very little movement find the vessel for fast blood pressure measurements 5 MHz This standard pencil style probe is an excellent vascular tool for locating deep specific vessels in the peripheral vascular system The narrow grip and small face of the probe make it ideal for maneuvering for maximizing the signal S MHz This standard pencil style probe is an excellent vascular tool for locating shallow specific vessels in the peripheral vascular system The narrow grip and small face of the probe make it ideal for maneuvering for maximizing the signal MANOOO1 DFU e Rev B 3 14 5 Wallach Surgical Devices Operation and Installation SPEAKER GRILL ON OFF BATTERY LEVEL INDICATOR LED a ON OFF 4 PROBE BUTTON CLIP RECHARGE LED PROBE CONNECTOR HEADPHONE AUDIO CONNECTOR RECHARGE CONNECTOR PLAY RECORD
27. ts that the unit is cleaned and examined regularly per the following guideline After every examination Excess gel should be wiped off prior to docking the probe Probes and main unit should be cleaned with a damp cloth using warm water or presaturated isopropyl alcohol wipes In particular pay close attention to clean the seams along the plastic lines at the probe face but do not allow water or spray to enter through the connectors or speaker grill To disinfect unit use commercially available spray or wipe disinfectants registered with the EPA Clorox Broad Spectrum Quaternary Disinfectant is the only disinfectant that is Wallach Surgical Devices approved for use with LifeDop series of dopplers Follow the manufacturer s instructions and wipe unit until it is dry of solutions Examiners should wash hands and change gloves after every exam Refer to local and hospital policies for cleaning and disinfection policies Store unit in a clean area free from dust and debris Follow temperature and humidity guidelines as specified at the end of this manual Caution e If the unit is to be stored for longer than 90 days without use remove the batteries prior to storage Periodically at least annually Inspect the main unit and probes for signs of cracks or breaks in the mechanical housing Inspect cables and connectors for signs of wear or failure The user should discontinue use of the unit with any sign of loss of housing integrity Cont
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