Cardiac pulse generator

Details Cardiac pulse generator Cardiac pulse generator

1994-12-01

1996-10-08

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1375

Patent

active

055627153

ABSTRACT:
A pacemaker may be implanted with equal facility on either side of a patient's chest without causing torque in the lead wires and avoiding unwanted local muscle stimulation. In one embodiment, the casing of the pacemaker is provided on opposite sides with a removable tab that covers an indifferent electrode so that when the device is implanted the appropriate tab may be removed to expose the electrode facing the patient's chest cavity. In a second embodiment, a portion along the edge of the pacemaker is left exposed to serve as the indifferent electrode, again allowing the device to be implanted with equal facility on either side of the chest without torque in the lead wires. Furthermore, since the edge of the device is not facing toward the patient's pectoral muscles, the device avoids unwanted pectoral twitching.

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patent: 4369791 (1983-01-01), Friedman
patent: 5220929 (1993-06-01), Marquit
patent: 5282841 (1994-02-01), Szvzkowski
patent: 5385574 (1995-01-01), Hauser et al.

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