Patent ID: 6645422
Filing Date: 2003-11-11
Classification: A61M,B29C

Abstract:
A method for forming a balloon, the method comprising:providing a tube formed from a polyester block copolymer, said tube having a tube inner diameter and a tube outer diameter; positioning the tube in a precondition mold, said precondition mold having a pair of opposed precondition mold openings; expanding the tube within the precondition mold to form a parison, said parison having a parison outer diameter, said parison outer diameter being larger than said tube outer diameter; positioning the parison in a balloon mold, the balloon mold having a balloon mold inner diameter which is larger than the precondition mold inner diameter, said balloon mold having a pair of opposed balloon mold openings; and expanding the parison within the balloon mold to form the balloon.