Objective: Determining the internal dimensions in a model eye
Sonography (medical ultrasound) is an imaging method that is also used in ophthalmology. Here, its largest importance lies in the area of biometry, in the measurement of distances ...
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Objective: Investigate the formation of an ultrasonic CT image and its relevant parameters
X-ray CT, MRT and PET are computer-aided imaging methods used in medical diagnostics, industry and research. Processes such as radiation absorption ...
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Objective: Investigate the fundamental characteristics of stationary and laminar flowing liquids by using the ultrasonic Doppler method
The applications of the Doppler Effect in the medical diagnostics are at the investigation of running ...
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Objective: Investigating a model arm
Doppler sonography uses the Doppler Effect to assess whether structures (usually blood) are moving towards or away from the ultrasonic probe, and its relative velocity. By calculating the frequency shift ...
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Ultrasonic Doppler device FlowDop200
The ultrasonic Doppler device FlowDop200 generates transmission signals with adjustable frequencies of 1, 2, 4 or 8 MHz, which are transmitted as ultrasonic waves by the connected transducer.
When these ...
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This realistic model of a human arm allows an introduction into the methods of ultrasonic Doppler diagnostics. These methods demand a high degree of knowledge of Doppler sonography and its results.
With the arm phantom it is possible to ...
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Ultrasonic probe for tests involving large penetration depths or high acoustic power at low depth resolutions. It includes a 16-mm piezo-ceramic disc in a die-cast metal case and a 1-m long cable with a frequency-coded snap-in plug. The equipment ...
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CT scanner for turning and moving samples for the purpose of generating tomographic images. All turning and movement is carried out by means of stepper motors. While the measurement is taking place, the scanner moves the sample backwards and ...
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Controller for operating the two stepper motors for the linear motion axis and the rotation axis of the CT scanner. Control of motion or direction of rotation, as well as linear speed and rotational velocity can be set manually or with a PC ...
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Black plastic cylinder with non-uniform absorption and speed of sound within its interior. With magnetic holder for attachment to the revolving stage of the CT scanner. In the case of ultrasonic tomography, two different measurement variables ...
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Sample trough for CT scanner made of thin transparent plastic. Includes several special fittings for attaching and connecting ultrasonic sensors to the sides of the trough. Since transparent acrylic exhibits a very low acoustic impedance step ...
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Equipment set for experiments on geometric and wave-mechanical acoustics.
Based on the piezo-effect discovered by the Curie brothers, an AC voltage is applied to a piezo-electric body causing it to oscillate. Sound waves can also be used to ...
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The ultrasonic Doppler probe with a frequency of 2 MHz has been specially developed for measurements on the arm phantom (order no. 1022331). The pen shape and the small sound area permit simple handling and lead to sufficient local resolution ...
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