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Physiologic tourniquet for intravenous regional anesthesia

  • US 5,556,415 A
  • Filed: 08/26/1994
  • Issued: 09/17/1996
  • Est. Priority Date: 01/29/1990
  • Status: Expired due to Term
First Claim
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1. Safety apparatus for dual cuff tourniquet system, comprising:

  • an inflatable and deflatable first cuff;

    an inflatable and deflatable second cuff;

    monitoring means for monitoring pressure in the first and second cuffs;

    control means for permitting an operator to initiate inflation of the first and second cuffs above a minimum pressure level, and for permitting an operator to initiate deflation of the first and second cuffs; and

    safety means connected to the monitoring means and to the control means and dependent upon the level of pressure in the first cuff for preventing deflation of the second cuff if the pressure level in the first cuff is beneath the minimum pressure level and for allowing deflation of the second cuff if the pressure level in the first cuff is not beneath the minimum pressure level.

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