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Hepatic bypass catheter

  • US 5,135,474 A
  • Filed: 08/03/1990
  • Issued: 08/04/1992
  • Est. Priority Date: 08/03/1990
  • Status: Expired due to Fees
First Claim
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1. A bypass catheter for preventing the flow of blood between a first blood vessel and a second blood vessel, said first blood vessel intersecting said second vessel to form a tee, said second blood vessel having a central channel passing therethrough into which said bypass catheter may be inserted, said bypass catheter comprising in combination:

  • (a) an elongated tubular body having an outer wall with two longitudinally extending expander lumens embedded within said outer wall, a longitudinally extending greater lumen, and a proximal end and a distal end with two expander members affixed near said distal end, at least one of said expander members having a unitary textured silicone outer vessel-contacting surface comprising a plurality of pores or interstices in an otherwise smooth outer surface, said expander members being in fluid communication with said expander lumens of said tubular body;

    (b) a coupling means connected to the proximal ends of said expander lumens for injecting a fluid into said expander members; and

    (c) holes in the wall of said elongate tubular body providing fluid communication between said greater lumen and said central channel.

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