Surgery – Radioactive substance applied to body for therapy – Radioactive substance placed within body
Patent
1997-01-31
1998-07-21
Lacyk, John P.
Surgery
Radioactive substance applied to body for therapy
Radioactive substance placed within body
A61M 2902, A61M 3612, A61N 510
Patent
active
057827427
ABSTRACT:
Disclosed is a balloon catheter having an inflatable balloon having a radiation carrier such as a radiation delivery layer thereon. In one embodiment, the radiation delivery layer comprises one or more layers of metal foil, such as gold. The foil is irradiated, and the balloon is thereafter positioned at a treatment site in a vessel and expanded to bring the metal foil layer into close proximity with the vessel wall. In another embodiment, the radiation carrier is in the form of a dopant in the balloon material. Methods of using the balloon include radiation dosing a site following a balloon dilatation or other procedure, and simultaneously performing balloon angioplasty and radiation dosing.
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Crocker Michael
Kick George F.
Siminuk Mark A.
Cardiovascular Dynamics, Inc.
Gilbert Samuel
Lacyk John P.
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