Patent ID: 7972385
Filing Date: 2011-07-05
Classification: A61F,A61L

Abstract:
1. A patch for replacement of a portion of bladder wall following partial cystectomy, the patch comprising: a multi-layered membrane of soft silicone the multi-layered membrane having a thickness of 600 microns so as to be sufficiently elastic to be able to withstand dilations due to expansion and deflation of the bladder, said multi-layered membrane comprising 20 layers of silicone placed on top of each other, each of said layers having a thickness of 30 microns, a surface layer of texturized silicone that is arranged to face an outside of a bladder to reduce a risk of adhesion of a fibrotic capsule, and an inner coating of pyrolytic turbostratic carbon that is arranged to face an inside of the bladder.