Peripheral nerve stimulator

Details Peripheral nerve stimulator Peripheral nerve stimulator

1978-03-06

1979-06-05

Kamm, William E.

Surgery

Truss

Pad

128422, 128423R, A61N 136

Patent

active

041570871

ABSTRACT:
An electronic peripheral nerve stimulator which may be used to monitor the type of neuromuscular blocks present in a patient following the administration of a muscle relaxant drug. An integrated circuit monostable multivibrator or one-shot is coupled to an amplifier and output stage. Plural integrated astable multivibrators are provided which may be selectively employed to trigger the one-shot circuit to thereby produce stimulating impulses of several predetermined repetition rates and duty cycles useful for producing the so-called "twitch" and "tetanus" responses of a patient's digital members. The peripheral nerve stimulator also includes indicating means for the power-on condition of the unit as well as for a low battery charged condition.

REFERENCES:
patent: 2764683 (1956-09-01), Paust et al.
patent: 3518997 (1970-07-01), Sessions
patent: 3612041 (1971-10-01), Ragsdale
patent: 3612600 (1971-10-01), Colyer
patent: 3646940 (1972-03-01), Timm et al.
patent: 3718132 (1973-02-01), Holt et al.
patent: 4014347 (1977-03-01), Halleck et al.

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