Apparatus for detecting changes in shape of a body

Details Apparatus for detecting changes in shape of a body Apparatus for detecting changes in shape of a body

1980-05-08

1985-12-24

Howell, Kyle L.

Surgery

Truss

Pad

128715, 128773, A61B 502

Patent

active

045599530

ABSTRACT:
An apparatus for detecting and measuring changes in the shape of a wall of a body includes a detector capsule adapted for attachment to the wall and pneumatically connected to a volume transducer responsive to changes in the internal volume of the apparatus produced by changes in the shape of the wall. The internal volume of the capsule is partially defined by a flexible diaphragm for engagement and complementary movement with the wall. The capsule contains a resiliently deformable material which presses the diaphragm into contact with the wall regardless of the convex or concave shape of the wall.

REFERENCES:
patent: 3573394 (1971-04-01), Birnbaum
patent: 3682161 (1972-08-01), Alibert
patent: 3853188 (1974-12-01), Schendel
patent: 3958562 (1976-05-01), Hakim et al.
patent: 3973150 (1976-08-01), Tamura et al.
patent: 4012604 (1977-03-01), Speidel
patent: 4122837 (1978-10-01), Leonard
patent: 4141350 (1979-02-01), Shinoda

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