Patent ID: 6406453
Filing Date: 2002-06-18
Classification: A61F,A61M

Abstract:
A medical ventilation tube for placement in an anatomical structure comprisinga hollow tubular shaft having a distal end for placement in the anatomical structure and a passage formed therethrough, said hollow tubular shaft being made of a first material having a rigidity to resist bending and maintain said passage in an open condition when said distal end is placed in the anatomical structure; a flange extending outwardly from said distal end of said hollow tubular shaft, said flange being made of a second material having a rigidity less than that of said first material to permit said flange to deform in response to contact with the anatomical structure; and a cylindrical section secured to said distal end of said hollow tubular shaft, said cylindrical section and said flange being of integral one-piece construction, said cylindrical section and said hollow tubular shaft having substantially the same outer circumference, said cylindrical section and said hollw tubular shaft abutting one another, wherein abutting portions of said cylindrical section and said hollow tubular shaft are bonded together, and wherein a portion of said hollow tubular shaft fits within a recess formed in said cylindrical section.