1976-10-08
1979-08-14
Recla, Henry J.
Surgery
Truss
Pad
137510, A61M 1600
Patent
active
041642198
ABSTRACT:
A ventilator which may be operated in either of two manually selected modes, including (1) a first mode in which ventilation of a patient is initiated by inhalation of the patient through a patient adapter and is terminated to allow the patient to exhale when the pressure at the patient adapter reaches a predetermined level; or (2) a second mode in which ventilation of the patient is initiated in the same manner as in the first mode, but in which apneustic hold means are activated when the pressure at the patient adapter reaches the predetermined level and maintains gas pressure and flow in the patient adapter for a short predetermined time thereafter before the patient is allowed to exhale.
REFERENCES:
patent: 1875511 (1932-09-01), Shivers
patent: 2996071 (1961-08-01), Takaoka
patent: 3191596 (1965-06-01), Bird et al.
patent: 3385295 (1968-05-01), Beasley
patent: 3753436 (1973-08-01), Bird et al.
patent: 3974828 (1976-08-01), Bird
patent: 4060078 (1977-11-01), Bird
Minnesota Mining and Manufacturing Company
Recla Henry J.
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