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Artificial respiration system

  • US 3,877,467 A
  • Filed: 12/05/1973
  • Issued: 04/15/1975
  • Est. Priority Date: 04/16/1971
  • Status: Expired due to Term
First Claim
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1. An artificial respiration system comprising, in combination, respirating means for alternately forcing air into the lungs of a patient during an inhalation period and permitting outflow of air from the lungs of the patient during a subsequent exhalation period;

  • synchronizing means for geNerating a synchronizing signal indicative of the time intermediate said inhalation period and said exhalation period;

    warning means for issuing a warning signal;

    pressure-detecting means for detecting when the pressure of air in the lungs of the patient falls below a predetermined value; and

    activating means connected to said synchronizing means for receipt of said synchronizing signal and connected to said pressure-detecting means and operative for causing said warning means to issue a warning signal if the pressure detected by said pressure-detecting means falls below said predetermined value during the time of receipt by said activating means of said synchronizing signal.

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