Demand - diaphragmatic pacing (skeletal muscle pressure modified

Details Demand - diaphragmatic pacing (skeletal muscle pressure modified Demand - diaphragmatic pacing (skeletal muscle pressure modified

1993-04-30

1993-11-30

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 136

Patent

active

052656047

ABSTRACT:
An apparatus to innervate diaphragms synchronously and to permit variation of the respiratory rate and duration in accordance with demand. The apparatus includes a sensor to sense skeletal muscle contraction and to produce a signal representative of the rate and intensity of muscle contraction at onset of inspiration. The signal can be modified in accordance with a predetermined pattern to provide a modified signal that is representative of a desired rate and duration of diaphragmatic contraction. A pulse generator is fed by the modified signal to produce a pulse. A stimulator is adapted to innervate the deinnervated lung diaphragms upon application of the pulse. A method of operating the apparatus to innervate both diaphragms is also disclosed.

REFERENCES:
patent: 4827936 (1989-05-01), Geddes et al.
"A heart-rate-responsive diaphragm pacemaker", Med. & Biol. Eng. & Comp., 1987, 25, 458-462, Kimura et al.

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