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Arm Phantom Set<br />
Model of a human arm for simulating Doppler<br />
sonographic examinations of blood vessels. Includes<br />
an ultrasonic Doppler probe and so-called phantom<br />
fluid for simulating blood. The model features a<br />
variety of tubing (simulating blood vessels), including<br />
one tube which simulates a blood vessel stricture or<br />
stenosis. Using the ultrasonic Doppler apparatus and<br />
a centrifugal pump, it is possible to simulate typical<br />
examinations used in vascular diagnosis. Doppler<br />
spectra are measured for the flow through arteries<br />
and veins with both a pulsing flow (like a heart beat)<br />
and continuous flow, allowing sounds typical of<br />
Doppler sonography to be heard. One particularly<br />
interesting feature is the possibility of observing the<br />
change in the spectra and the Doppler sound due<br />
a stenosis (stricture) in the elbow. In addition, it is<br />
possible to calculate the flow index and resistance<br />
index from the curves measured with a pulsing flow.<br />
Probe frequency: 2 MHz<br />
Probe dimensions: 200 mm x 15 mm diam.<br />
Length of lead: 1 m<br />
M-1012880<br />
Additional Items Required<br />
Ultrasonic Doppler Control Unit<br />
M-1002571<br />
Centrifugal Pump<br />
M-1002575<br />
Ultrasonic Coupling Gel<br />
M-1008575<br />
Model Eye for Ultrasonic Biometry<br />
Model of the human eye, enlarged to a scale of 3 to 1, including the cornea, the lens<br />
and glass bodies for demonstrating the fundamentals of ultrasonic biometry. The<br />
biometric ratios in the human eye (distance between cornea and lens, thickness<br />
of lens, distance between lens and retina) are very well suited to demonstrating<br />
measurement using a pulse-echo method with ultrasound. With the help of an<br />
ultrasonic echoscope and a 2-MHz ultrasonic probe, typical echoes and the speed<br />
of sound can be measured. This allows the geometry of individual objects in the eye<br />
to be calculated. A lesion close to the back of the eye becomes apparent due to the<br />
diffuse nature of its echo. Dia. 80 mm.<br />
M-1012869<br />
Items Required<br />
Ultrasonic Echoscope, USB M-1002580<br />
Ultrasonic Probe 2 MHz M-1002582<br />
Ultrasonic Coupling Gel M-1008575<br />
Recommended for comparison:<br />
M-1000259 Piece, 3:1 Scale Model of the Human Eye<br />
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132 Medical Education | Radiology 3bscientific.com
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