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Peritoneal dialysis catheter

  • US 4,687,471 A
  • Filed: 02/06/1986
  • Issued: 08/18/1987
  • Est. Priority Date: 05/01/1985
  • Status: Expired due to Term
First Claim
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1. A peritoneal catheter which comprises a flexible catheter tube having a proximal end portion which, in use, projects outwardly from the abdominal cavity of a patient and a distal end portion which, in use, projects inwardly into the peritoneal cavity of the patient, the improvement comprising:

  • said catheter tube defining in its natural, unstressed condition, a bent segment between the proximal end portion and the distal end portion, said bent segment, in use, extending through the subcutaneous tissue and rectus muscle of the abdominal wall, through the posterior rectus sheath and into the peritoneal cavity.and further including a flange circumferentially surrounding said catheter tube, said flange extending at a nonperpendicular angle relative to the axis of said catheter tube and, in use, secured against the posterior rectus sheath of the patient, the slope of said flange extending in a direction transverse the direction of said bent segment to maintain the distal end portion pointed in a caudal direction within the peritoneal cavity of the patient while the proximal end projects, when viewed by an on-looker, downwardly and at an angle relative to the midline of the patient.

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