Magnetically-adjustable cerebrospinal fluid shunt valve

Details Magnetically-adjustable cerebrospinal fluid shunt valve Magnetically-adjustable cerebrospinal fluid shunt valve

1983-12-08

1986-06-17

Rosenbaum, C. Fred

Surgery

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

With flow control means

128 13, 137530, A61B 500

Patent

active

045953902

ABSTRACT:
A surgically-implantable shunt valve in which the popping pressure is adjusted in finite increments by application of an external magnetic field.

REFERENCES:
patent: 3391289 (1968-06-01), Danilewicz
patent: 4156422 (1979-05-01), Hildebrandt et al.
patent: 4340038 (1982-07-01), McKean
patent: 4360007 (1982-11-01), Levy et al.
patent: 4387715 (1983-06-01), Hakim et al.
patent: 4443214 (1984-04-01), Marion
Hakim, Salomon, "Hydraulic and Mechanical Mis-Matching of Valve Shunts Used in the Treatment of Hydrocephalus: The Need for a Servo-Valve Shunt", Dev. Med. and Child Neuro., vol. 15, No. 5, 10/73, p. 651.

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