Prosthetic anal sphincter

Details Prosthetic anal sphincter Prosthetic anal sphincter

1995-10-31

1997-01-14

Willse, David H.

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

Implantable prosthesis

Vocal cord

128DIG25, 600 31, 606202, A61F 202

Patent

active

055934439

ABSTRACT:
A prosthetic anal sphincter is described which is implantable around the upper anal canal to reproduce the action of the sphincter muscles which maintain continence. This is achieved by inflating a tube with liquid from a reservoir and creating an angle of about 90.degree. between the rectum and the anal canal and by flattening the upper anal canal by squeezing the posterior wall of anal canal against the anterior wall.

REFERENCES:
patent: 3675656 (1972-07-01), Hakim
patent: 3831583 (1974-08-01), Edmunds et al.
patent: 3866611 (1975-02-01), Baumrucker
patent: 3903894 (1975-09-01), Rosen et al.
patent: 4019499 (1977-04-01), Fitzgerald
patent: 4786276 (1988-11-01), Haber
patent: 4854990 (1986-04-01), Haber et al.

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