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Blood circuit with leak-safe features

  • US 20040186415A1
  • Filed: 03/20/2003
  • Published: 09/23/2004
  • Est. Priority Date: 03/20/2003
  • Status: Abandoned Application
First Claim
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1. A fluid circuit for use in extracorporeal blood treatment machines having air sensors for detecting air in arterial lines of fluid circuits connected thereto, comprising:

  • a dual channel access device having venous and arterial channels;

    said access device including one of a needle and a catheter;

    an arterial line connected to said access device arterial channel and a venous line connected to said venous channel, said venous line and said venous channel being configured such that said venous channel cannot become open to the air without exposing the arterial channel by either extraction of the access device or disconnection thereof, whereby a failure of integrity of said access will permit air to be drawn by said arterial line during operation to be detected by an air sensor a blood treatment machine.

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