Porous ventricular catheter

Details Porous ventricular catheter Porous ventricular catheter

1987-10-27

1988-08-30

Pellegrino, Stephen C.

Surgery

Devices transferring fluids from within one area of body to...

604264, 604280, 1563042, A61M 2500

Patent

active

047674008

ABSTRACT:
A ventricular catheter and a method for making same are provided wherein the catheter comprises a tubing assembly including a porous portion and a non-porous portion. The porous portion has a high surface density of very fine pores which are substantially resistant to blockage under in vivo conditions yet allow cerebrospinal fluid to pass therethrough when the assembly is attached to a cerebrospinal fluid pressure relief system for the treatment of hydrocephalus. The porous portion is generally formed by extruding a fiber forming polymer which is wound directly onto a mandrel.

REFERENCES:
patent: 3773034 (1973-11-01), Burns et al.
patent: 4377169 (1983-03-01), Banks
patent: 4475972 (1984-10-01), Wong
patent: 4507119 (1985-03-01), Spencer
patent: 4601724 (1986-07-01), Hooven et al.
patent: 4650466 (1987-03-01), Luther

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