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Method and apparatus for alleviating cardioversion shock pain by delivering a bolus of analgesic

  • US 5,893,881 A
  • Filed: 08/29/1997
  • Issued: 04/13/1999
  • Est. Priority Date: 09/08/1995
  • Status: Expired due to Term
First Claim
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1. An implantable medical device system for delivering cardioversion energy to at least one chamber of a patient'"'"'s heart in need of cardioversion and for alleviating pain attendant to delivery of cardioversion energy comprising:

  • detecting means for detecting activity of a chamber of the patient'"'"'s heart;

    determining means responsive to the detecting means for determining when the chamber of the patient'"'"'s heart is in need of cardioversion;

    cardioverting means responsive to the determining means for delivering cardioversion energy to the chamber of the patient'"'"'s heart when the chamber is in need of cardioversion;

    means for timing delivery of cardioversion energy from the application of the pain alleviating therapy to allow time dependent effects of the applied pain alleviating therapy to take effect; and

    means for delivering a bolus of an analgesic to the patient'"'"'s body at an appropriate site in the patient'"'"'s body to effect analgesia in conjunction with delivery of cardioversion energy to the heart chamber to reduce pain felt by the patient during delivery of the cardioversion energy.

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