Shut-off device particularly as an artificial sphincter

Details Shut-off device particularly as an artificial sphincter Shut-off device particularly as an artificial sphincter

1991-06-26

1993-03-30

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Vocal cord

604351, 128DIG25, A61F 208

Patent

active

051979845

ABSTRACT:
A shut-off device particularly useful as an artifical sphincter for shutting-off the flow from a passage in a subject's body includes a conduit assembly attachable to the body with its inner end in alignment with the passage, a ring rotatably mounted in the outer end of the conduit assembly, and an elastomeric sleeve passing through the conduit assembly and ring, with the inner end of the sleeve attached to the inner end of the conduit assembly, and the outer end of the sleeve attached to the ring. The pliable sleeve is of a length such that the ring may be rotated with respect to the conduit assembly to twist the pliable sleeve from an untwisted open condition permitting the flow of the material from the body passage, to a twisted closed condition shutting-off the flow of the material.

REFERENCES:
patent: 3188070 (1965-06-01), Lee
patent: 4401107 (1983-08-01), Haber et al.
patent: 4705518 (1987-11-01), Baker et al.

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