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METHOD AND APPARATUS FOR IMPROVING VENOUS ACCESS

  • US 20090177184A1
  • Filed: 01/08/2009
  • Published: 07/09/2009
  • Est. Priority Date: 01/09/2008
  • Status: Abandoned Application
First Claim
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1. A method of venous access in a extremity of a mammal, comprising:

  • positioning a portion of an extremity of a mammal in an internal region that is at least partially enclosed by one or more flexible walls;

    evacuating the internal region to a pressure below atmospheric pressure to expose the portion of the extremity of the mammal to the pressure below atmospheric pressure;

    adjusting the pressure in the internal region;

    transferring heat from a thermal exchange unit to the portion of the extremity; and

    injecting a fluid or removing blood from a vein or artery in the extremity that has been dilated or distended by the transfer of heat to the portion of the extremity and the exposure of the portion of the extremity to the pressure below atmospheric pressure.

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