Apparatus and method for assisting respiration
First Claim
1. Apparatus for assisting a person'"'"'s respiration by supplying gas pulses to the person'"'"'s respiratory system where the frequency of the pulses is varied over a range which includes the resos pulses to the person'"'"'s respiratory system where the frequency of the pulses is varied over a range which includes the resonant frequency of the person'"'"'s respiratory system, said apparatus comprisingmeans for producing a series of gas pressure pulses,means for automatically varying the frequency of occurrence of the pulses to repetitively sweep over a selected range which includes the resonant frequency of the person'"'"'s respiratory system, andmeans for supplying the pulses to the person'"'"'s respiratory system.
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Accused Products
Abstract
Apparatus and method for assisting a person'"'"'s respiration by means of application of a series of high pressure air pulses to the person. The frequency of the pulses is varied over some range of frequencies to ensure that at least during some portion of the time, air pulses are applied to the person at the natural or resonant frequency of the person'"'"'s respiratory system.
145 Citations
30 Claims
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1. Apparatus for assisting a person'"'"'s respiration by supplying gas pulses to the person'"'"'s respiratory system where the frequency of the pulses is varied over a range which includes the resos pulses to the person'"'"'s respiratory system where the frequency of the pulses is varied over a range which includes the resonant frequency of the person'"'"'s respiratory system, said apparatus comprising
means for producing a series of gas pressure pulses, means for automatically varying the frequency of occurrence of the pulses to repetitively sweep over a selected range which includes the resonant frequency of the person'"'"'s respiratory system, and means for supplying the pulses to the person'"'"'s respiratory system.
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23. A method of applying a series of gas pressure pulses to a person'"'"'s respiratory system to assist ventilation and respiration of the person, said method comprising the steps of producing a series of gas pressure pulses,
automatically varying the frequency of occurrence of the pulses to repetitively sweep over a selected range of frequencies which includes the natural frequency of the person'"'"'s respiratory system, and supplying the pulses to the person'"'"'s respiratory system.
Specification