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Method and device responsive to diaphragmatic activity for adjusting positive pressure assist during expiration

  • US 7,472,702 B2
  • Filed: 03/25/2004
  • Issued: 01/06/2009
  • Est. Priority Date: 03/25/2004
  • Status: Expired due to Fees
First Claim
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1. A method of controlling positive pressure assist to a patient during expiration, the method comprising:

  • measuring a level of electrical activity of a patient'"'"'s respiration-related muscle during expiration; and

    adjusting a level of positive pressure assist to the patient during expiration in response to the measured level of electrical activity;

    wherein adjusting the level of positive pressure assist to the patient during expiration comprises minimizing the level of electrical activity of the patient'"'"'s respiration-related muscle during expiration; and

    wherein minimizing the level of electrical activity of the patient'"'"'s respiration-related muscle during expiration controls stress on the respiration-related muscle while avoiding patient'"'"'s lung collapse.

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