Portable Pneumatic Oscillograph and Small (Portable) Mechanocardiograph - USSR -.
JOINT PUBLICATIONS RESEARCH SERVICE ARLINGTON VA
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During the l95O to l95l period the author was in charge of the development of a design and the construction of an experimental model of a new medical device of the cardlo-vascular system in humans and animals, called the mechancardiography This apparatus was being developed by the Leningrad Institute of Precision Mechanics and Optics according to the idea of Professor N. N. Savitskiy, being essentially a pneumatic oscillograph. During the course of this work we accumulated unique experience in the design, calculation, and investigation of an oscillograph with a pneumatic tract. The most important part of the work, which made it possible to construct a modern engineering model of a pneumatic oscillograph was the design of a new mirror micro-pressure gauge of an original construction and possessing sufficiently high technical properties as regards sensitivity, accuracy of performance, natural frequency, and stability of results.
- Hydraulic and Pneumatic Equipment
- Test Facilities, Equipment and Methods