High speed medical ventilator

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure

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Details

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

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