USER GUIDE
900 Asbury Ave • Norfolk, Virginia 23513 • USA • Tel: 757-855-2765 •
WWW.CIRSINC.COM
Model 069A
Page 1: ...USER GUIDE 900 Asbury Ave Norfolk Virginia 23513 USA Tel 757 855 2765 WWW CIRSINC COM Model 069A...
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Page 3: ...structions for Use 4 Handling and Care 4 Testing Procedures 7 Sensitivity Depth of Penetration 7 Velocity Accuracy 9 Angle Error Test 9 Specifications 10 ZERDINE 11 Appendix 1 Conversion of Flow Rate...
Page 4: ...edescribedinthis manual whiletheReferencessectionprovidessourcesforadditional information about Doppler Ultrasound Performance Testing Description of the Phantom Flowphantomcontainsablood vessel simul...
Page 5: ...with the following acoustic properties Speed of sound 1540 m s Attenuation coefficient 0 7 dB cm MHz Relative backscatter 0 dB with respect to CIRS liver parenchyma reference HANDLING PRECAUTIONS AND...
Page 6: ...s original weight and you notice a difference in vertical distance measurements or the scan surface appears depressed call CIRS at 800 617 1177 This product contains Zerdine a non flowing water based...
Page 7: ...rom the pump and leave the tube in the air 2 Run the pump pumping until all remaining fluid is returned to the reservoir 3 Turn off the pump disconnect the reservoir cap and place it over a container...
Page 8: ...ty based on the system settings and operator technique In addition there may be some measurement bias between the pump settings and the velocity measurement There fore it is recommended that when usin...
Page 9: ...l view of the vessel is recommended for the most consistent results Move the transducer down the length of the scanning surface so that the vessel depth increases Check for flow periodically until flo...
Page 10: ...e Color Flow only yields an average velocity which should match the calibrated average flow velocity of the flow pump ANGLE ERROR TEST 1 Set the flow circuit for constant velocity flow 2 Enable Color...
Page 11: ...ansducers it will be necessary to measure the probe angle for each measurement An example of a Doppler angle measurement with a curved transducer is shown in the image below 7 Compare the observed ang...
Page 12: ...Hz Scatter or relative contrast in the optimal range of 15 to 15 dB in relation to a scatter baseline equivalent to human liver tissue Elasticity with a Young Modulus in the optimal range of 4 to 90 k...
Page 13: ...you are not satisfied with your purchase for any reason please contact Customer Service or your local distributor prior to returning the product Visit https www cirsinc com distributors to find your...
Page 14: ...ouble the average flow velocity In pulsatile mode the maximum flow velocity depends on the shape of the pulse profile Assuming a simple sine wave the peak flow velocity will be double the maximum flow...
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