Peritoneal dialysis catheter

Details Peritoneal dialysis catheter Peritoneal dialysis catheter

1989-05-31

1990-06-19

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604175, 604281, A61M 2500

Patent

active

049350048

ABSTRACT:
A unique catheter for percutaneous access of the peritoneal cavity, such as in peritoneal dialysis, comprising a flexible tubular member having a distal portion being caudally disposed with the periotoneal cavity and a proximal portion passing through subcutaneous and cutaneous tissues and extending externally downward along the abdominal wall. Distal and proximal portions are each angularly joined to a linear connecting portion which is substantially disposed only through the rectus muscle. The connecting portion having a length generally co-extensive with the thickness of the rectus muscle. Porous cuff means for tissue ingrowth being carried on at least the connecting portion and preferably extending the length of the connecting portion. The distal and proximal portions of the catheter being non-planar with each other.

REFERENCES:
patent: 4027659 (1977-06-01), Slingluff
patent: 4392855 (1983-07-01), Oreopoulos
patent: 4681564 (1987-07-01), Landreneau
patent: 4687471 (1987-08-01), Twardowski et al.
patent: 4772269 (1988-09-01), Twardowski et al.
Palmer et al., "Prolonged Peritoneal Dialysis for Chronic Renal Failure", The Lancet, Mar. 28, 1964, pp. 700-702.

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