Surgery – Instruments – Cyrogenic application
Reexamination Certificate
2006-06-13
2006-06-13
Peffley, Michael (Department: 3739)
Surgery
Instruments
Cyrogenic application
Reexamination Certificate
active
07060062
ABSTRACT:
Devices, systems, and methods controllably cool blood vessels and other body lumens. The blood vessel will often be treated for atherosclerotic or other diseases by inflating a balloon so as to engage the surrounding luminal wall. Controlled cooling of the balloon effected by a change in phase of a cryogenic fluid within the balloon typically a change from a liquid phase to a gas phase can be provided with a controlled, gradual inflation of the balloon. A single control system can be used for any of a variety of alternative selectable balloon catheters having significantly differing cooling fluid flow characteristics.
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Gage, M.D., Andrew A., et al., “Freezing injury to large blood vessels in dogs,” Surgery, vol. 61, No. 5, May, 1997, pp. 748-754.
Joye James
Reuschling Glen
Williams Richard S.
Cryo Vascular Systems, Inc.
Peffley Michael
Townsend and Townsend and Crew LLP.
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