Pressure regulator for implantable pump

Details Pressure regulator for implantable pump Pressure regulator for implantable pump

1991-07-01

1992-02-18

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

128DIG12, 604246, 6048911, A61M 3700

Patent

active

050889834

ABSTRACT:
An implantable pump system employing a flow regulator isolates the regulator sensing chamber from the path of drug flow. This is accomplished by establishing either an independent sensing chamber in the regulator or coupling it to the propellant chamber of the pump. Additionally, a downstream restrictor may be used to provide an additional pressure drop between the regulator and the outlet catheter.

REFERENCES:
patent: 4258711 (1981-03-01), Tucker et al.
patent: 4299220 (1981-11-01), Dorman
patent: 4557726 (1985-12-01), Reinicke
patent: 4718893 (1988-01-01), Dorman et al.
patent: 4838887 (1989-06-01), Idriss
patent: 4902278 (1990-02-01), Maget et al.
patent: 4931050 (1990-06-01), Idriss

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