Precision medication dispensing system and method

Details Precision medication dispensing system and method Precision medication dispensing system and method

1982-12-27

1984-12-04

Coven, Edward M.

Surgery

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

Treating material introduced into or removed from body...

604891, A61M 3700

Patent

active

044861907

ABSTRACT:
The implantable device includes a medication reservoir, a pulsatile pump and an absolute pressure transducer. The pumping pressure wave developed in the pumping chamber is measured by the absolute pressure transducer whose output is used to adjust the pulsing rate of the solenoid operated pump so that the programmed time averaged rate of infusion of medication into the body is precisely maintained throughout all operating temperature and pressure conditions.

REFERENCES:
patent: 4077405 (1978-03-01), Haerten et al.
patent: 4146029 (1979-03-01), Ellinwood
patent: 4231354 (1980-11-01), Kurtz et al.
patent: 4294248 (1981-10-01), de Figueiredo
patent: 4360019 (1982-11-01), Portner et al.
patent: 4373527 (1983-02-01), Fischell
patent: 4391598 (1983-07-01), Thompson
patent: 4395259 (1983-07-01), Preskele et al.

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