Control device for medical and surgical uses

Details Control device for medical and surgical uses Control device for medical and surgical uses

1976-04-01

1977-11-01

Medbery, Aldrich F.

Surgery

Truss

Perineal

128DIG25, 128260, 417389, 417472, 3 1, A61F 100, A61B 1700

Patent

active

040560953

ABSTRACT:
A control device in implantable sub-cutaneously for use in medicine and surgery. It is actuable by pressing on a sub-cutaneous membrane. It comprises a first chamber closed by the membrane which is placed on one surface of its casing and contains an incompressible fluid, and a second chamber, containing a gas and housing two coaxial bellows connected at their free ends. One of the bellows communicates with the first chamber and the second bellows communicates with a flexible duct going to the duct or cavity to be controlled.

REFERENCES:
patent: 2464095 (1949-03-01), Nies
patent: 2494393 (1950-01-01), Lamson
patent: 2663363 (1953-12-01), Krautter
patent: 3731681 (1973-05-01), Blackshear et al.
patent: 3750194 (1973-08-01), Summers
patent: 3815576 (1974-06-01), Balaban
patent: 3841304 (1974-10-01), Jones
patent: 3863622 (1975-02-01), Buuck
patent: 3951147 (1976-04-01), Tucker et al.
IEEE Transactions On Bio-Medical Engr. Oct. 1970, Intermittant Occlusion System, Timm et al., p. 352.
Trans. Amer. Soc. Artif. Organs, 1971, pp. 132, 133 & 141, Artificial Urethral Sphincter, Hargest et al.

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