Patent ID: 6835189
Filing Date: 2004-12-28
Classification: A61F,A61M

Abstract:
A dilatation balloon having a body portion, cone portions and waist portions, said body portion further having a distal end, a proximal end, and a central region separating said distal end and said proximal end of said body portion of said ballon, said balloon configured and formed such that upon inflation to a first pressure said balloon exhibits a first inflation profile and upon inflation to a second pressure in excess of the first pressure said balloon exhibits a second inflation profile,said central region of said body portion of said balloon in said first inflation profile having a diameter D1 and a substantially cylindrical geometry and at least one of said proximal and distal ends of said body portion taken at a point between said central region and said cone portions exhibiting a diameter D1â€³ less than D1; and said central region of said body portion of said balloon having a diameter D1â€³ which is substantially equal to D1 when the balloon is inflated to the second inflation profile, and wherein diameter D1 remains substantially the same from the first inflation profile to the second inflation profile.