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US4857041: Urinary incontinence prostheses

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Filing Information

Inventor(s) David Annis · Malcolm C. Brown · John R. Sutherst ·
Assignee(s) National Research Development Corporation ·
Attorney/Agent(s) Cushman, Darby & Cushman ·
Primary Examiner Max Hindenburg ·
Application Number US7046690
Filing date 05/07/1987
Issue date 08/15/1989
Predicted expiration date 05/07/2007
U.S. Classifications 600/30  · 128/DIG.25  ·
International Classifications A61B 1900  ·
Kind CodeA
International Classifications 1281 R;630;DIG. 25;830;834;836;837 ·
Foreign Priority GB8611129 - 05/07/1986 ·
3 Claims, No Drawings


Abstract

A prosthetic device (10) suitable for use in the treatment of stress incontinence in women by location as a cuff around the urethra, to elevate the bladder following prolapse, comprises a body (11) composed predominantly of a cross-linked synthetic polymer hydrogel having a water content of the order of 90%, and preferably about 95%, by weight. The hydrogel can be homogeneous through the body but in this event the body suitably has a local reinforcement (12), such as by embedded plastics material mesh, in at least one relatively small edge portion to enhance its tear resistance in relation to sutures (13) passed therethrough. The body is suitably of kidney shape having dimensional proportions of approximately 5.times.3.times.1. cms.

Independent Claims | See all claims (3)

  1. 1. A method of treating female urinary incontinence occurring due to prolapse of the bladder, comprising:elevating the bladder from the pelvic floor by locating adjacent to the proximal urethra below the bladder a body composed predominantly of cross-linked synthetic polymer hydrogel material having a water content of the order of 90% by weight at least over the exterior surface of said body.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US3066667 BERRY JOHN L Berry Dec 1962
US3789828 HEYER SCHULTE CORP Schulte Feb 1974
US3862452 CESKOSLOVENSKA AKADEMIE VED Wichterle et al. Jan 1975
US4019498 The University of Iowa Research Foundation Hawtrey et al. Apr 1977
US4457299 CORNWELL GEORGE H I Cornwell Jul 1984
US4497074 Agence National de Valorisation de la Recherche (ANVAR) Rey et al. Feb 1985
US4570629 University of Illinois Foundation Widra Feb 1986
US4615704 Dow Corning Corporation Frisch Oct 1986
US4636213 Pakiam Jan 1987
US4657553 TAYLOR DAVID E M Taylor Apr 1987

Other Publications

"Intermittent Occlusion System" Timm et al., IEEE Trans. Biomed. Engin. 1970.

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