Transcutaneous implantation catheter

Details Transcutaneous implantation catheter Transcutaneous implantation catheter

1990-12-19

1992-10-20

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604280, A61M 532

Patent

active

051565978

ABSTRACT:
Intermediate an intracorporal first section and an extracorporal third section, a transcutaneous implantation catheter has a second section entirely consisting of an open-pore fiber fabric having a porous outer surface. It is particularly advantageous for a fast growing-in process that is not inflammatory and for a good transition from the subcutaneous connective tissue to the area of the skin epithelium, if the porosity (the spaces between the fabric fibrils) increases from the inside to the outside of the catheter. This allows the tissue to grow into the second section of the catheter. The implantation tunnel closes completely so that no liquid collections are allowed to be formed between the catheter and the tissue. The risk of infections is reduced. The first section is of the same material as the second section, but has a smooth surface and a wall of solid material.

REFERENCES:
patent: 4184497 (1980-01-01), Kolff et al.
patent: 4266999 (1981-05-01), Baier
patent: 4392855 (1983-07-01), Oreopoulus et al.
patent: 4588461 (1986-05-01), Braun
patent: 4634422 (1987-01-01), Kantrowitz et al.
patent: 4946444 (1990-08-01), Heimke et al.
patent: 4950259 (1990-08-01), Geary et al.
patent: 5057075 (1991-10-01), Moncrief et al.
patent: 5085632 (1992-02-01), Ikada et al.
German periodical "Der Chirurg" (1983), pp. 609-612.

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