Intestinal control valve

Details Intestinal control valve Intestinal control valve

1982-04-20

1983-08-30

Truluck, Dalton L.

Surgery

Truss

Perineal

128DIG25, 3 1, A61F 100

Patent

active

044011075

ABSTRACT:
The control valve is arranged to surround the anal-terminating descending intestine of a patient for realizing continence; that is function as an artificial sphincter. The valve itself comprises a stationary ring and a lower rotatable ring in an axially aligned position. A plurality of rods extends from the lower rotatable ring through aligned openings in the upper stationary ring. When the lower rotatable ring is rotated through an angle, the rods twist and their center portions radially contract inwardly in such a manner as to reduce the cross sectional area of the passage through the rings. By lining the rings and rods with a toroidal member, having an inner flexible part, rotation of the rotatable ring by an appropriate reversible drive motor will gently close off or open up the descending intestine portion of the patient.

REFERENCES:
patent: 3705580 (1972-12-01), Gauthier
patent: 4217899 (1980-08-01), Freier

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