Portable ventilator apparatus

Details Portable ventilator apparatus Portable ventilator apparatus

1987-07-09

1989-04-25

Michalsky, Gerald A.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820518, A61M 1600

Patent

active

048237876

ABSTRACT:
Portable ventilator apparatus, particularly useful for providing mechanical ventilation of a patient at home or during transport, comprises a pump unit and a separate humidifier unit and a separate fluid-collector unit selectively attachable to the pump unit. When the apparatus is to be used for mechanical ventilation, the pump unit, including a delivery tube, may be used alone or with the humidifier unit which is attached to the positive-pressure outlet of the pump unit; and when the apparatus is to be used for withdrawing fluid accumulating in the patient's lungs, the fluid-collector unit, including the delivery tube, is attached to the negative-pressure inlet of the pump unit. A solenoid valve controls the air pulses applied to the patient via the delivery tube to permit a wide variety of operations according to the particular situation.

REFERENCES:
patent: 3499601 (1970-03-01), Laerdal
patent: 4215681 (1980-08-01), Zalkin et al.
patent: 4699137 (1987-10-01), Schroeder

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