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Indwelling catheters

  • US 4,501,580 A
  • Filed: 01/21/1983
  • Issued: 02/26/1985
  • Est. Priority Date: 12/12/1980
  • Status: Expired due to Fees
First Claim
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1. A catheter for use in the irrigation of a bladder and flushing of urethral and prostatic canal, comprising;

  • a. a flexible tubular member having an annular wall of uniform diameter;

    b. said wall having exterior and interior surfaces;

    c. said tubular member having a closed end for insertion into the bladder and an open outer end;

    d. an annular inflation balloon adjacent the insertable end of said tubular member;

    e. the interior surface of said tubular member forming an axial flow duct of uniform diameter having at least one drain hole near said closed end to receive fluid drainage from the bladder;

    f. a passage in the wall of said tubular member extending from said tubular outer end and opening at it'"'"'s other end into the interior of said balloon;

    g. a relative deep channel in said exterior surface of said tubular member extending from adjacent the open outer end of said member into close proximity with the balloon;

    h. a fluid passageway in the annular wall of said member; and

    i. at least one radial vent in said tubular member flow-connecting said fluid passageway with said channel whereby fluid delivered through the vent enters the channel for distribution on the walls of the prostatic and urethral canals to eliminate ascending infection in said channel.

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