Outside-of-thorax type negative pressure artificial respirator

Details Outside-of-thorax type negative pressure artificial respirator Outside-of-thorax type negative pressure artificial respirator

1990-08-23

1992-04-07

Apley, Richard J.

Surgery

Truss

Perineal

128 30, 12820425, A61H 3102

Patent

active

051018080

ABSTRACT:
An artificial respirator includes an atomospheric opening, a corset for enclosing a patient's thorax, an inspiration tube connected at one end thereof to the corset, a suction pump, a switching device for connecting the other end of the inspiration tube to either the suction pump or to the atmospheric opening so as to change the pressure within the corset between a negative and an atmospheric pressure, thereby providing artificial respiration to the patient. The artificial respirator further includes a device for varying the time constant of the change between the negative and atmospheric pressure within the corset so as to provide a smooth change between the pressures.

REFERENCES:
patent: 3333581 (1967-08-01), Robinson
patent: 4257407 (1981-03-01), Macchi
patent: 4621621 (1986-11-01), Marsalis
patent: 4840167 (1989-06-01), Olsson et al.
patent: 4945899 (1990-08-01), Sugiyama et al.

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