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. 15, 1994
Filed:
Dec. 30, 1993
David C Auth, Kirkland, WA (US);
Thomas J Clement, Redmond, WA (US);
Michael J Intlekofer, Bellevue, WA (US);
Heart Technology, Inc., Redmond, WA (US);
Abstract
The invention relates to an RF-activated guidewire to electrosurgically pass through occlusive material to allow the use of other vescular therapeutic devices to traverse the guidewire through the occlusive material. More particularly, the invention relates to a catheter system for penetrating occulsive tissue in an arterial lumen, comprising: a substantially tubular sheath means; an electrically conductive guidewire, said guidewire having an electrosurgical tip and passing through said sheath means; and a voltage generating means electrically connected to said electrically conductive guidewire to activate said electrosurgical tip.