Urethral sphincter cuff

Details Urethral sphincter cuff Urethral sphincter cuff

1985-03-22

1986-12-30

Thaler, Michael H.

Surgery

Truss

Pad

128DIG25, 623 14, A61B 1700

Patent

active

046321144

ABSTRACT:
A urethral sphincter cuff is adapted to be surgically implanted so as to encircle the urethra. When the sphincter cuff is filled, the urethra is squeezed, and the patient is continent. When the cuff is deflated pressure is released from the urethra and urine may flow therethrough.
The sphincter cuff is provided with a tongue and buckle to allow adjustment during surgical implantation. The tongue, on one side of the cuff, contains apertures which are adapted to fit onto studs on the buckle part. After placement and adjustment of the cuff an adhesive can be applied to secure the tongue to the buckle.
The cuff also contains an occluding diaphragm which, when filled, squeezes the urethra to inhibit fluid flow, and when unfilled remains in a second position in which no tension is applied to the urethra. Even when the diaphragm area is reduced to its minimum value (with pressure on the urethra) the diaphragm remains under tension so that its smooth surface does not wrinkle. Providing a smooth diaphragm surface pushed against the urethra reduces the possibility of local necrosis of the urethral tissue.

REFERENCES:
patent: 1679978 (1928-08-01), Konwiser et al.
patent: 2455859 (1948-12-01), Foley
patent: 2756753 (1956-07-01), Means
patent: 3628536 (1971-12-01), Glesne
patent: 3730186 (1973-05-01), Edmunds et al.
patent: 4177815 (1979-12-01), Patel

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