Device for measuring motion of living body organs

Details Device for measuring motion of living body organs Device for measuring motion of living body organs

1978-11-07

1981-02-24

Kamm, William E.

Surgery

Truss

Pad

128782, 128903, A61B 510

Patent

active

042521297

ABSTRACT:
In a device for measuring motion of living body organs, an essential part which defines the oscillation frequency of the oscillator circuit of the device for measuring same comprises an electro-mechanical oscillator of a quartz resonator and impedance elements as coils or capacitors. The motion of organs on a living body surface or in a living body causes impedance changes in an impedance element and therefore, the detector is capable of detecting and measuring living body organ motion through a change in frequency.

REFERENCES:
patent: 2083335 (1937-06-01), Loudon
patent: 2241190 (1941-05-01), Fenning
patent: 2812427 (1957-11-01), Magondeaux
patent: 3087117 (1963-04-01), Mitchell
patent: 3195535 (1965-07-01), Westermann
patent: 3603881 (1971-09-01), Thornton

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