High frequency oscillator ventilator
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United States of America Patent
Stats
-
Dec 18, 2018
Grant Date -
Dec 1, 2016
app pub date -
Aug 8, 2016
filing date -
Nov 8, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a high frequency oscillating ventilator comprising a housing assembly, a linear actuator, a linear coil, a piston mounted on a pushrod, a diaphragm dividing a housing into a first and second side and having an opening formed on the second side that is fluidly connected to the patient's airway for delivering gas thereto. The linear actuator is fixedly mounted to the housing assembly and has a linear coil coaxially disposed therewithin. A pushrod supports the linear coil on the linear actuator to allow relative axially sliding therebetween. The piston is directly mounted to the diaphragm such that reciprocation thereof as effectuated by the linear coil cooperating with the linear actuator alternately produces positive and negative pressure waves in the gas in the patient's airway.
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