Method of controlling the temperature of gasses passing...

Details Method of controlling the temperature of gasses passing... Method of controlling the temperature of gasses passing...

2008-04-08

2008-04-08

Peffley, Michael (Department: 3739)

Surgery

Instruments

Cyrogenic application

C062S051200

Reexamination Certificate

active

07354434

ABSTRACT:
The present invention relates to apparatus, systems, and methods utilizing cryogenic cooling in an angioplasty balloon catheter for treatment of arterial stenosis and prevention of restenosis. More particularly, the present invention relates to an angioplasty balloon catheter utilizing expansion of compressed gas to effect Joule-Thomson cooling of an angioplasty balloon, and optionally further incorporating external temperature sensors utilizable to identify a locus for treatment of arterial stenosis. The present invention further relates to angioplasty treatment systems incorporating such a catheter, and to cryogenic angioplasty methods for treating arterial stenosis and discouraging restenosis.

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