Model 527 Doppler Flow Directional Discrimination Device
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Model 523 and 523A Cardiac Doppler Flow Phantom The Models 523 and 523A tissue mimicking doppler ow phantoms contain four ow channels of varying diameters simulating the deep vasculature, such as the cardiac and abdominal vessels. Two xed-angled scan surfaces maintain a constant angle between the sound beam and the ATS Model 707 Doppler Test Fluid owing through the phantom. The Model 523 and 523A differ only in the angle of the xed scanning surface. The scan surfaces of the Model 523 are angled at 45° and 60°, permitting continuous scanning at depths ranging from 5 to 18 cm. In the Model 523A the scan surfaces are angled at 18° and 56°, permitting continuous scanning at depths ranging from 3 to 17 cm. If the user requires depths greater than 15 mm, we recommend the use of our Model 528 scanning wedge. The wedge is constructed of the same tissue mimicking material as the doppler ow phantoms and provides an additional 50 mm of scanning depth. Model 527 Doppler Flow Directional Discrimination Device Model 524 and 525 Peripheral Vascular Doppler Flow Phantom The Models 524 and 525 tissue mimicking doppler ow phantoms contain four ow channels simulating supercial vasculature. The simulated vessels are located 15.0 mm below the scan surface. Built-in scanning wells are provided to permit the use of water or a low viscosity gel as acoustic coupling agents. The Model 527 is designed to test color Doppler ow imaging systems. This phantom monitors the ability of the system to discriminated the direction of ow in small vessels, of close proximity, at varying depths. The phantom contains four pairs of 2 mm ow channels. The edge-to-edge spacing between the ow channels within each pair progressively increases from 1 mm to 4 mm. If greater distances are desired, a combination of two ow channel pairs can be used. A xed-angle scan surface maintains a constant angle between the sound beam and the test uid owing through the phantom at 18° or 56° permitting continuous scanning at depths ranging from 3 to 17 cm. Lifetime warranty. The differences between the Models is the type of ow channels. The Model 525 contains four 8.0 mm diameter ow channels, with built in stenosis at 0, 50, 75 and 90% areas of occlusion. Whereas, the Model 524 contains four ow channels with diameters 2, 4, 6, & 8 mm, without stenosis. Webpage: www.atslaboratories-phantoms.com Email: atslaboratories@yahoo.com

Specications Tissue Mimicking Material Type Attenuation Coefcient Speed of Sound Urethane Rubber 0.5 dB/cm/Mhz at 3.5MHz at 23°C 1450 m/s at 23° C Overall Dimensions* Housing Material Scan Surfaces Scan Surface Dimensions Flow Channels Type Circular/ Stenosis Scan Surface Depths Maximum Fluid Pressure – psi (Kg/cm) Aluminum Barb Aluminum Barb Aluminum Barb Aluminum Barb *Nominal dimensions Webpage: www.atslaboratories-phantoms.com Email: atslaboratories@yahoo.com