Positive anchoring A-V lead

Details Positive anchoring A-V lead Positive anchoring A-V lead

1981-09-28

1983-09-06

Cohen, Lee S.

Surgery

Truss

Pad

128786, 128419P, A61N 104

Patent

active

044023294

ABSTRACT:
A single pass atrial-ventricular transvenous pacing lead wherein the atrial branch has a positive fixation device. The proximal end of the lead has a standard electrical connector for coupling both atrial and ventricular electrodes to an implantable pulse generator. The lead is bifurcated at a point near or above the superior vena cava during normal transvenous insertion. The atrial and ventricular branches are of a fixed length from the point of bifurcation to the distal tip. The ventricular branch preferably employs a passive fixation device such as tines to maintain the ventricular electrode within the right ventricular apex. The atrial branch is positioned in the normal manner under control of a stylet to obtain optimal sensing and stimulation thresholds. This position is maintained using an active fixation device. Preferably the active fixation device is a helix which is screwed into the atrial wall by rotating the atrial connector pin and conductor coil.

REFERENCES:
patent: 4026303 (1977-05-01), Babotai
patent: 4057067 (1977-11-01), Lajos
patent: 4106512 (1978-08-01), Bisping
patent: 4136703 (1979-01-01), Wittkempf
patent: 4289144 (1981-09-01), Gilman
patent: 4332259 (1982-06-01), McCorkle, Jr.

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