Cryoplasty apparatus and method

Details Cryoplasty apparatus and method Cryoplasty apparatus and method

2005-04-05

2005-04-05

Peffley, Michael (Department: 3739)

Surgery

Instruments

Cyrogenic application

Reexamination Certificate

active

06875209

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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