MR-compatible fluid valve

Surgery – Devices transferring fluids from within one area of body to... – With flow control means

Reexamination Certificate

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Details

C604S007000, C604S008000, C604S247000

Reexamination Certificate

active

07066901

ABSTRACT:
An implantable fluid valve for the adjustable limitation of the fluid pressure in the brain of a patient, has all valve component parts composed of non-magnetic material, thereby making the valve MR-compatible.

REFERENCES:
patent: 3595240 (1971-07-01), Mishler
patent: 4551128 (1985-11-01), Hakim et al.
patent: 4781673 (1988-11-01), Watanabe
patent: 4784660 (1988-11-01), Fischell
patent: 5167615 (1992-12-01), East et al.
patent: 5637083 (1997-06-01), Bertrand et al.
patent: 5643194 (1997-07-01), Negre
patent: 6697662 (2004-02-01), Sawitowski et al.
patent: 0 233 325 (1987-08-01), None
patent: 2 143 008 (1985-01-01), None

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