Patent ID: 9314944
Filing Date: 2016-04-19
CPC Classification: A61B,A61N,B29C

Claim Text:
1. A method of forming a seamless bladder comprising: (a) providing a volumetric bladder template produced from hydrophilic material; (b) providing a solution of a polymer insoluble in water, the polymer being selected to biodegrade when inside a body over a period of weeks to months; (c) directly contacting an outer surface of the bladder template with the polymer solution to form a coating of the polymer directly on the bladder template outer surface to thereby generate a bladder having a thin layered seamless external surface made of said biodegradable polymer and a port with a diameter of between 1/100 and ⅕ of a diameter of said bladder; and (d) extracting said template through said port.