Insulin infusion pump

Details Insulin infusion pump Insulin infusion pump

1982-08-02

1985-02-12

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

417 36, 604 65, 604 67, 222 14, F04B 4906, B67D 548

Patent

active

044988435

ABSTRACT:
There is disclosed a microprocessor-controlled peristaltic pump for use in a portable continuous insulin infusion device. The peristaltic pump is configured with a removable cover comprising a part of the pump housing surrounding a pump rotor, and holding a delivery tube between the cover and the rotor. The removable cover combines with a reservoir and the delivery tube to constitute a pre-filled disposable package facilitating installation and removal of the insulin in the device. A microprocessor controls the number of times the rotor turns during a cycle. This operation allows the microprocessor to automatically compensate for different diameter delivery tubes, as well as to allow the physician to vary the on/off time of the pump to administer different dosages.

REFERENCES:
patent: 3631847 (1972-01-01), Hobbs
patent: 4108575 (1978-08-01), Schal
patent: 4210138 (1980-07-01), Jess
patent: 4231366 (1980-11-01), Schael
patent: 4261360 (1981-04-01), Perez
patent: 4275727 (1981-06-01), Keeri-Szanto
patent: 4294248 (1981-10-01), de Fiqueiredo
patent: 4331262 (1982-05-01), Snyder
patent: 4385630 (1983-05-01), Gilcher

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