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Device for segmental perfusion and aspiration of colon and rectum

  • US 5,312,343 A
  • Filed: 07/02/1992
  • Issued: 05/17/1994
  • Est. Priority Date: 11/24/1989
  • Status: Expired due to Term
First Claim
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1. A device for segmental perfusion/aspiration of intestinal segments comprising;

  • a catheter (1) having a wall forming a large central channel (10),said large central channel (10) sized for passage of an endoscope therethrough,a plurality of parallel smaller channels (11-21) in said wall having diameters smaller than a diameter of said central channel,said plurality of smaller channels each having a first end terminating at a hole on an outer surface of said wall,a plurality of intestinal segment-deliminating balloons which pairwise delimit said segments, said plurality of balloons sealingly engaged along a length of said catheter and around a circumference thereof,a number of holes of said plurality of holes communicating with an interior of said plurality of segment-deliminating balloons to permit inflation thereof through a corresponding number of said plurality of parallel smaller channels,a remainder of said plurality of holes providing aspiration and perfusion of fluid from and to different segments of an intestine delimited by pairs of said plurality of segment-deliminating balloons and release of a marking substance to selected segments of said different segments through a corresponding number of said plurality of parallel smaller channels,said device being sufficiently stiff for introduction through an anal orifice and having an inflatable anchoring device (2) engaged on an end of said catheter to firmly fix said end on two sides of said anal orifice after inflation,wherein said device produces at least two of said different segments delimited by said intestinal segment-deliminating balloons, andwherein said anchoring device is formed by two balloons (3,

         4).

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