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Cholangiography catheter apparatus and method

  • US 5,236,417 A
  • Filed: 09/22/1992
  • Issued: 08/17/1993
  • Est. Priority Date: 09/22/1992
  • Status: Expired due to Term
First Claim
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1. A catheter apparatus for laparoscopic cholangiography comprising:

  • a catheter having a distal end and a proximal end, said distal end being suitable for incremental insertion into the cystic duct of a patient, said catheter comprising a preselected length sufficient to pass through the abdominal wall of said patient to said cystic duct from a position external of said patient, said catheter comprising a set of indicia at said distal end and a radiopaque line along said preselected length;

    an introducer for introducing said catheter through said abdominal wall;

    a connector mounted to said proximal end of said catheter, said connector comprising a first interconnect for introducing saline solution into said catheter and a second interconnect for introducing dye into said catheter;

    a first tubing connected at a distal end to said first interconnect;

    a first check valve mounted to a proximal end of said first tubing;

    a first syringe removably mountable to said first check valve, said first syringe containing saline for introducing said saline into said catheter;

    a second tubing connected at a distal end to said second interconnect;

    a second check valve mounted to a proximal end of said second tubing; and

    a second syringe removably mountable to said second check valve;

    said second syringe containing dye for introducing said dye into said catheter.

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