Implantable artificial sphincter system

Details Implantable artificial sphincter system Implantable artificial sphincter system

1989-07-21

1991-02-19

Frinks, Ronald

Surgery

Body inserted urinary or colonic incontinent device or...

Implanted

623 14, 128DIG25, 251 65, A61F 202, A61F 208

Patent

active

049940201

ABSTRACT:
An implantable artificial sphincter system for reversibly occluding a body passageway, which system includes occlusion means, pump means, and the unique feature of a fluid capacitor disposed on a control assembly for the system, which is capable of increasing volume under fluid pressure. The fluid capacitor is connected with the occlusion means in such fashion that said occlusion means will remain substantially inflated during short, but significant, pressure increases, but will at least partially deflate upon the advent of prolonged but moderate pressure increases on the body passageway. While in its preferred embodiment no other fluid containing component is needed, if desired a volume compensator can also be included in the system. A valve preferably of the magnetic type can also be included for activating or deactivating the system.

REFERENCES:
patent: Re31121 (1983-01-01), Reinicke
patent: 3812841 (1974-05-01), Isaacson
patent: 3854469 (1974-12-01), Giori et al.
patent: 3863622 (1975-02-01), Buuck
patent: 4222377 (1980-09-01), Burton
patent: 4417567 (1983-11-01), Trick
patent: 4571749 (1986-02-01), Fischell
patent: 4584990 (1986-04-01), Haber et al.
patent: 4682583 (1987-07-01), Burton et al.
patent: 4709690 (1987-12-01), Haber
patent: 4721509 (1988-01-01), Craggs

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