Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-12-09
1989-12-12
Freeh, William L.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128DIG26, A61M 532
Patent
active
048865028
ABSTRACT:
Disclosed is an improved peritoneal access system for providing repeated, long term access through the peritoneum, as for patients undergoing peritoneal dialysis. The system includes a catheter tube extending through an implantable percutaneous access device (PAD) formed of a cylindrical neck and a buttonlike annular skirt. A portion of the catheter tube external to the PAD has a bellows integrally formed therein permitting the tube to be bent and moved without restricting fluid flow or stressing the PAD. The internal portion of the catheter tube has a sharp right angle below the PAD to tunnel the tube in a subcutaneous plane to the peritoneal penetration site and a position-adjustable collar for anchoring/sealing the cathether tube near the upper surface of the peritoneum.
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Bowen Mark A.
Daly Benedict D. T.
Dasse Kurt A.
Poirier Victor L.
Freeh William L.
Thermedics Inc.
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