Catheter system having closely spaced distal bipolar electrodes

Details Catheter system having closely spaced distal bipolar electrodes Catheter system having closely spaced distal bipolar electrodes

1998-04-24

1999-12-14

Jastrzab, Jeffrey R.

Surgery

Instruments

Electrical application

600374, 607101, 607122, A61N 105, A61B 50402, A61B 1739

Patent

active

060010959

ABSTRACT:
A catheter system suitable for electrophysiology mapping and radiofrequency ablation of cardiac tissue comprises a catheter shaft having a distal end, a proximal handle, and at least a lumen extending therebetween, wherein a distal section of the shaft is either a fixed curve type or a deflectable type; and safety means being provided to maintain the integrity of the catheter by holding the long tip electrode in place, wherein the safety means is a long tip electrode with an extended flexible stem having at least one open groove or slot on the stem.

REFERENCES:
patent: 4592372 (1986-06-01), Beramek
patent: 4832048 (1989-05-01), Cohen
patent: 4960134 (1990-10-01), Webster, Jr.
patent: 5324324 (1994-06-01), Vachon et al.
patent: 5697927 (1997-12-01), Imran et al.
patent: 5782900 (1998-07-01), De La Rama et al.

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