Method and apparatus for assuring pacer programming is compatibl

Details Method and apparatus for assuring pacer programming is compatibl Method and apparatus for assuring pacer programming is compatibl

1988-08-29

1990-10-23

Jaworski, Francis

Surgery

Truss

Pad

128419P, 128419PT, A61N 100

Patent

active

049644076

ABSTRACT:
A series of test signals are generated by a microprocessor of a pacemaker to determine whether a bipolar or unipolar lead is attached to an implanted cardiac pacemaker restricting programming of said pacemaker to only an unipolar pacing mode unless the presence of an operational bipolar lead is detected. Detection is accomplished by generating a series of low frequency high impedance pulses, applying them to lead contacts and sensing a return signal. If a return signal is detected, then that indicates either a unipolar lead is connected to the pacemaker or that the ring conductor of a bipolar lead is open and bipolar pacing must be inhibited.

REFERENCES:
patent: 4532931 (1985-08-01), Mills
patent: 4549548 (1985-10-01), Wittkampf et al.
patent: 4558702 (1985-12-01), Barreras et al.
patent: 4628934 (1986-12-01), Pohndorf et al.
patent: 4658831 (1987-04-01), Reinhard et al.

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