Valve apparatus for photoactivation patient treatment system

Details Valve apparatus for photoactivation patient treatment system Valve apparatus for photoactivation patient treatment system

1986-02-27

1987-07-21

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604 4, A61M 5005

Patent

active

046815686

ABSTRACT:
Manually overridable servo controlled valve mechanisms for controlling the flow of fluids through a flexible tube for use in a photoactivatable agent treatment system wherein photoactivatable agents, in contact with patient blood cells, are irradiated extracorporeally and then returned to the patient.

REFERENCES:
patent: 3543752 (1970-12-01), Hesse et al.
patent: 3575161 (1971-04-01), London
patent: 3932065 (1976-01-01), Ginsberg et al.
patent: 3994294 (1976-11-01), Knute
patent: 4061142 (1977-12-01), Tuttle
patent: 4282902 (1981-08-01), Haynes
patent: 4596547 (1986-06-01), Troutner

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