Method and apparatus for converting a catheter to a cardiac paci

Details Method and apparatus for converting a catheter to a cardiac paci Method and apparatus for converting a catheter to a cardiac paci

1983-10-20

1987-01-20

Cohen, Lee S.

Surgery

Truss

Pad

128419P, A61N 105

Patent

active

046374043

ABSTRACT:
An apparatus and method for effecting cardiac pacing capture utilizes an in-place catheter having at least one lumen terminating in a distal port which is positioned within a pre-selected heart chamber. The other end of the lumen terminates in a proximal port which is connected to a cannular connector containing an adjustable seal having a distal portion of a wire electrode extending therethrough. The seal is loosened and the wire electrode is advanced through it and the catheter lumen until its distal end emerges from the distal port of the in-place catheter and engages a surface of the heart chamber. The seal is re-tightened if desired; for example, to continuously monitor pressure by means of a pressure monitor connected to a port in the cannular connector. The proximal end of the wire electrode is connected to the output of a pacemaker pulse generator. The output of the pacemaker pulse generator is set to a level at which cardiac pacing capture is achieved. '

REFERENCES:
patent: 3323523 (1977-06-01), Scislowicz
patent: 3485247 (1969-12-01), Ackerman
patent: 3516412 (1970-06-01), Ackerman
patent: 3533403 (1970-10-01), Woodson
patent: 3561445 (1971-02-01), Katerndahl et al.
patent: 4072146 (1978-02-01), Howes
patent: 4214594 (1980-07-01), Little
patent: 4271847 (1981-06-01), Stokes
patent: 4280503 (1981-07-01), Ackerman
patent: 4383532 (1983-05-01), Dickhudt
Letter to the editor entitled "Emergency Cardiac Pacing", by Colquhoun, M., appearing in the British Medical Journal No. 287(6324):1263, Apr. 24, 1982.
Article entitled "A New Temporary Pacing Electrode", by Robicsek et al, Copyright 1980 by the Society of Thoracic Surgeons.

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