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Pressure isolation mechanisms, method of use thereof and fluid delivery systems including pressure isolation mechanisms

  • US 20050104444A1
  • Filed: 12/20/2004
  • Published: 05/19/2005
  • Est. Priority Date: 10/18/2000
  • Status: Active Grant
First Claim
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1. A pressure isolation mechanism for use in a medical procedure, comprising:

  • a lumen;

    an isolation port in fluid connection with lumen; and

    a valve having a first state and a second state, the first state occurring when the lumen and the isolation port are connected, the second state occurring when the lumen and the isolation port are disconnected, the lumen being open for flow of fluid therethrough in the first state and in the second state, the valve being normally in the first state and being switchable to the second state when fluid pressure in the lumen reaches a predetermined pressure level.

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