Multi-material incontinence treatment construction device
First Claim
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1. An implantable constriction device for treating an incontinent patient, the device comprising;
- an elongate composite structure adapted to encircle and postoperatively adjustably constrict the urethra, urine bladder, anus, colon or rectum of the incontinent patient for treating the incontinent patient to increase or decrease the constriction of the urethra, urine bladder, anus, colon or rectum, wherein said elongate composite structure is comprised of a base material making said composite structure self-supporting and property improving means for improving at least one physical property of said composite structure other than self-supporting properties,the base material comprising a layer of silicone,the property improving means comprising a layer f polyurethane, wherein the layer of silicone surrounds the layer of polyurethane, and wherein at least one of the layer of silicone and the layer of polyurethane comprises a poly-para-xylylene polymer coating.
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Abstract
An implantable constriction device for treating an incontinent patient comprises an elongate composite structure adapted to constrict the urethra, urine bladder, anus, colon or rectum of the patient. The elongate composite structure is composed of a base material, such as hard silicone, making the composite structure self-supporting. Property improving material is provided for improving at least one physical property of the composite structure other than self-supporting properties, such as fatigue resistance, liquid impermeability, aggressive body cells resistance, anti-friction properties and lifetime.
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Citations
12 Claims
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1. An implantable constriction device for treating an incontinent patient, the device comprising;
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an elongate composite structure adapted to encircle and postoperatively adjustably constrict the urethra, urine bladder, anus, colon or rectum of the incontinent patient for treating the incontinent patient to increase or decrease the constriction of the urethra, urine bladder, anus, colon or rectum, wherein said elongate composite structure is comprised of a base material making said composite structure self-supporting and property improving means for improving at least one physical property of said composite structure other than self-supporting properties, the base material comprising a layer of silicone, the property improving means comprising a layer f polyurethane, wherein the layer of silicone surrounds the layer of polyurethane, and wherein at least one of the layer of silicone and the layer of polyurethane comprises a poly-para-xylylene polymer coating. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An implantable constriction device for treating an incontinent patient, the device comprising:
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an elongate composite structure adapted to adjustably constrict the urethra, urine bladder, anus, colon or rectum of the patient, said elongate composite structure being comprised of a base material making said composite structure self-supporting and property improving means for improving at least one physical property of said composite structure other than self-supporting properties, the base material comprising a layer of polyurethane and a layer of silicone, the property improving means comprising a layer or coating applied on the base material, the layer or coating applied on the base material being of a material different from the base material, and being at least along a side of said elongate composite structure that is intended to contact the urethra, urine bladder, anus, colon or rectum, wherein said property improving means comprises a core of a viscoelastic material covered with said self-supporting base material, and said property improving means further comprises a poly-para-xylylene polymer, poly-tetra-fluoro-ethylene, or a biocompatible metal coating. - View Dependent Claims (9, 10, 11, 12)
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Specification