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Contrast media dispensing apparatus

  • US 5,423,751 A
  • Filed: 02/18/1993
  • Issued: 06/13/1995
  • Est. Priority Date: 02/18/1993
  • Status: Expired due to Fees
First Claim
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1. In a contrast fluid dispensing apparatus for dispensing a contrast fluid from a container to a point of contrast fluid distribution and preventing reverse flow of the contrast fluid from the point of contrast fluid distribution to the container, said contrast fluid dispensing apparatus having a first length of tubing connected to the container;

  • a reservoir having one end connected to said first length of tubing; and

    a second length of tubing having one end connected to the opposite end of the reservoir, with the opposite end of said second length of tubing terminating at said point of contrast fluid distribution, wherein the improvement comprises a first stopcock carried by said first length of tubing for controlling a flow of contrast fluid from the container through said first length of tubing to said reservoir;

    a luer lock provided on said first stopcock, said luer lock connected to said first length of tubing, for disconnecting said reservoir and said second length of tubing from the container;

    a first check valve provided in said first length of tubing for preventing a reverse flow of contrast fluid from said reservoir to the container;

    a second stopcock carried by said second length of tubing, said second stopcock disposed in fluid-communication with said point of contrast fluid distribution for selectively dispensing contrast fluid from said reservoir through said second length of tubing to said point of contrast fluid distribution; and

    a second check valve provided in said second length of tubing for preventing a reverse flow of contrast fluid from said point of contrast fluid distribution through said second length of tubing to said reservoir.

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