Method of mapping and/or ablation using a catheter having a tip

Details Method of mapping and/or ablation using a catheter having a tip Method of mapping and/or ablation using a catheter having a tip

1994-10-07

1996-04-16

McDermott, Corrine

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

607122, 604114, A61N 100

Patent

active

055078028

ABSTRACT:
The mapping and/or ablation catheter for use in ablating the tissue in the wall forming a chamber in the heart comprising a flexible elongate tubular member having proximal and distal extremities, end cap formed of a conductive material mounted on the distal extremity of the flexible elongate tubular member, a fixation means carried by the end cap for engaging the wall of the heart and for retaining the end cap in a predetermined position on the wall of the heart during beating of the heart, said fixation means being movable between tissue engaging and disengaging positions. The means carried by the proximal extremity of the flexible elongate tubular member for moving the fixation means between the engaging and disengaging positions.

REFERENCES:
patent: 3754555 (1973-08-01), Schmitt
patent: 4882777 (1989-11-01), Narula
patent: 4985028 (1991-01-01), Isner et al.
patent: 5103821 (1992-04-01), King
patent: 5179962 (1993-01-01), Dutcher et al.
patent: 5188635 (1993-02-01), Radtke
patent: 5242441 (1993-09-01), Avitall
patent: 5281213 (1994-01-01), Milder et al.
patent: 5364352 (1994-11-01), Cimino et al.
Webster's New World Dictionary, Third College Edition, 1988.

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