Patent ID: 8168275
Filing Date: 2012-05-01
Classification: A61L,A61M,B29C,B29K,B29L,Y10T

Abstract:
1. A medical balloon formed by a process comprising, obtaining an assembled tubular parison comprising: a first tube of orientable polymer material, a second tube formed of orientable polymer material disposed around the first tube, the first tube, or the second tube, or both, having been longitudinally pre-stretched after formation thereof but before assembly of the parison, and an adhesive layer disposed between the first and second tubes and contacting the first and second tubes, the adhesive is selected to allow relative movement of the materials of the first and second tubes during heated radial expansion of the parison to form a balloon but which subsequent to balloon formation is effective to adhere the materials of the two layers together at human body temperature, and subjecting the assembled tubular parison to radial expansion.