Surgery – Instruments – Electrical application
Patent
1993-12-30
1994-11-15
Cohen, Lee S.
Surgery
Instruments
Electrical application
606 39, 606 41, 606 45, A61B 1739
Patent
active
053643933
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.
REFERENCES:
patent: 3858586 (1975-01-01), Lesser
patent: 4682596 (1987-07-01), Bales et al.
patent: 4936301 (1990-06-01), Rexroth et al.
patent: 4998933 (1991-03-01), Eggers et al.
Auth David C.
Clement Thomas J.
Intlekofer Michael J.
Cohen Lee S.
Heart Technology, Inc.
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