Ventilator for use in medical applications
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United States of America Patent
Stats
-
Apr 21, 1981
Grant Date -
N/A
app pub date -
Aug 21, 1979
filing date -
Aug 24, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrically powered mechanical ventilator for use in medical applications. The ventilator comprises a bellows-form expansible chamber which communicates with a gas inlet/delivery port and at least one electric motor which is energised to effect cyclic expansion and compression of the chamber by way of a motion translating mechanism. In a preferred form of the ventilator, two electric motors are mounted to a common shaft and means are provided for effecting cyclic energisation of the respective motors whereby the shaft is driven cyclically in opposite directions to effect the expansion and compression of the chamber.
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Family
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