Ventilator for use in medical applications

Details Ventilator for use in medical applications Ventilator for use in medical applications

1979-08-21

1981-04-21

Hart, Charles N.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820514, 128910, A61M 1600

Patent

active

042626676

ABSTRACT:
An electrically powered mechanical ventilator for use in medical applications. The ventilator comprises a bellows-form expansible chamber which communicates with a gas inlet/delivery port and at least one electric motor which is energised to effect cyclic expansion and compression of the chamber by way of a motion translating mechanism. In a preferred form of the ventilator, two electric motors are mounted to a common shaft and means are provided for effecting cyclic energisation of the respective motors whereby the shaft is driven cyclically in opposite directions to effect the expansion and compression of the chamber.

REFERENCES:
patent: 3339545 (1967-09-01), Burchell
patent: 3385294 (1968-05-01), Sabathie et al.
patent: 3932066 (1976-01-01), Eyrick et al.
patent: 3951137 (1976-04-01), Conkle et al.
patent: 4020834 (1977-05-01), Bird

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