Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-02-06
1987-08-18
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 29, 604280, A61M 2500
Patent
active
046874712
ABSTRACT:
A peritoneal catheter comprises a flexible catheter tube carrying porous cuff means to facilitate permanent securance of the catheter to the abdominal wall. The catheter tube defines, in its natural, unstressed condition, a bent segment adjacent the porous cuff means. This permits the catheter to be mounted in a tunnel formed through the abdominal wall in relatively unstressed configuration, with both ends pointing downwardly toward the feet of the patient. In one embodiment, the catheter includes a flange extending circumferentially outwardly of the catheter tube adjacent to the porous cuff means. The flange extends at a nonperpendicular angle relative to the axis of the catheter tube, and the slope of the flange extends transverse the direction of the bent segment. The angled flange, when sutured to the posterior rectus sheath, maintains the catheter tube in the desired tunnel direction within the abdominal wall, with the distal end of the catheter tube pointed properly downwardly toward the pelvic cavity.
REFERENCES:
patent: 4184497 (1980-01-01), Kolff et al.
patent: 4392855 (1983-07-01), Oreopoulos et al.
patent: 4437856 (1984-03-01), Valli
patent: 4491126 (1985-01-01), Cullor
patent: 4496349 (1985-01-01), Consentino
Khanna Ramesh
Nolph Karl D.
Twardowski Zbylut J.
Curators of the University of Missouri
Flattery Paul C.
Pellegrino Stephen C.
Ryan Daniel D.
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