Tissue dissipative recanalization catheter

Details Tissue dissipative recanalization catheter Tissue dissipative recanalization catheter

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.

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