Directable thermal energy delivery apparatus

Details Directable thermal energy delivery apparatus Directable thermal energy delivery apparatus

1998-04-02

1999-10-19

Dvorak, Linda C. M.

Surgery

Instruments

Electrical application

606 49, 607101, 607 98, A61B 1739

Patent

active

059680415

ABSTRACT:
A cell necrosis apparatus includes an introducer with a tissue piercing distal end. An RF electrode device includes a first RF electrode with a tissue piercing distal end, a second RF electrode with a tissue piercing distal end, and a third RF electrode with a tissue piercing distal end. The first and second electrodes each have an exterior non-insulated energy delivery surface and an exterior opposing insulated surface. The first, second and third RF electrodes are deployable from the introducer with the first and second RF electrodes exterior non-insulated energy delivery surfaces facing and surrounding the third RF electrode.

REFERENCES:
patent: 5269780 (1993-12-01), Roos
patent: 5401272 (1995-03-01), Perkins
patent: 5536267 (1996-07-01), Edwards et al.
patent: 5782827 (1998-07-01), Gough et al.
patent: 5799715 (1998-07-01), Tu
patent: 5810804 (1998-09-01), Gough et al.

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