The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2000
Filed:
Mar. 17, 1998
Brett Trauthen, Newport Beach, CA (US);
Paul McCormick, Laguna Niguel, CA (US);
Maurice Buchbinder, La Jolla, CA (US);
Michael Henson, Trabuco Canyon, CA (US);
Radiance Medical Systems, Inc., Irvine, CA (US);
Abstract
Disclosed is a dual catheter radiation delivery system, for delivering a dose of radiation to a treatment site, typically in a body lumen. The system comprises an outer sheath catheter, having an inflatable balloon thereon. The system further comprises an inner radiation delivery catheter, having a radially expandable structure such as a balloon with a radiation source thereon. The sheath catheter is positioned such that the sheath balloon is at the treatment site, and the radiation delivery catheter is transluminally advanced through the sheath catheter such that the radiation source is positioned within the sheath balloon. The radiation delivery balloon is inflated within the sheath balloon, to position the radioactive source near the vessel wall. The source may comprise a thin film carried by the radiation delivery balloon, having a radioactive isotope implanted therein or chemically bonded thereto. Alternatively, the radioactive isotope may be implanted within or adhered to the radiation delivery balloon.