Peritoneal access catheter
US4886502A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1986 |
| Grant date | Dec 12, 1989 |
| Priority date | — |
| Expiry date | Dec 9, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/26
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.