Miniature muscle displacement transducer

Details Miniature muscle displacement transducer Miniature muscle displacement transducer

1974-12-27

1976-02-10

Kamm, William E.

Surgery

Truss

Perineal

33125R, 33174D, 73 885SD, A61B 500

Patent

active

039372120

ABSTRACT:
A miniature transducer for sensing muscle displacement substantially consists of a curved beam of high elastic compliance connected at its ends to two prongs. The prongs have sharpened tips which are insertable into the muscle under observation. A sensitive strain gauge is bonded to the beam preferably at the point of greatest curvature. The strain gauge output is directly related to changes in the beam curvature. As the muscle under observation expands the spacing between the prongs increases which decreases the beam curvature. On the other hand, when the muscle contracts the prongs' spacing decreases, thereby increasing the beam curvature.

REFERENCES:
patent: 964745 (1910-07-01), Blakoe
patent: 2414161 (1947-01-01), Moore
patent: 2458354 (1949-01-01), De Forest
patent: 2569949 (1951-10-01), Prescott
patent: 2924220 (1960-02-01), Von Migsky
patent: 2974527 (1961-03-01), Linthout
patent: 3102420 (1963-09-01), Mason
patent: 3154067 (1964-10-01), Stenstrom et al.
patent: 3853000 (1974-12-01), Barnett et al.
patent: 3853118 (1974-12-01), Schendel

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