Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1982-09-23
1985-01-29
Recla, Henry J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820421, 12820518, 417359, 417413, 417 45, 417437, 92 122, 92 132, 74839, A61M 1600
Patent
active
044959478
ABSTRACT:
A swash plate assembly converts rotary motion to reciprocatory motion to reciprocate a diaphragm in a high frequency medical ventilator; the motor which drives the assembly is pivotally mounted for variation of the stroke of reciprocation thereby varying the tidal volume displaced by the diaphragm.
REFERENCES:
patent: 2155455 (1939-04-01), Thoma
patent: 2918917 (1959-12-01), Emerson
patent: 3168872 (1965-02-01), Pinkerton
patent: 4073603 (1978-02-01), Abendschein et al.
patent: 4155356 (1979-05-01), Venegas
patent: 4215681 (1980-08-01), Zalkin et al.
patent: 4409977 (1983-10-01), Bisera
Imasco-CDC Research Foundation
Recla Henry J.
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