Patent ID: 6077243
Filing Date: 2000-06-20
Classification: A61B,A61J,A61M,Y10S

Abstract:
In a corporeal access tube assembly including a tube segment having an outer surface, the improvement in an internal bolster comprising:a) a retention balloon mounted on said tube segment and being preformed so as to extend radially outwardly from said tube segment;b) said balloon containing a gas under substantially ambient pressure which supports the balloon in said preformed configuration;c) said balloon in said preformed configuration including a generally tire-shaped casing having front and rear sidewalls extending generally parallel to each other;d) said balloon further including an annular, inner bead on each of said sidewalls and fastened to said outer surface of said tube segment;e) said annular inner bead on said rear wall comprising a cylindrical sleeve extending from said rear wall toward said front wall.