Micro-feed pump for an artificial pancreas

Details Micro-feed pump for an artificial pancreas Micro-feed pump for an artificial pancreas

1986-04-03

1987-01-13

Vrablik, John J.

Pumps

With signal, indicator, or inspection means

417475, 417477, 604153, F04B 4312, F04B 2100, A61M 500

Patent

active

046361448

ABSTRACT:
An artificial pancreas includes a blood sugar determination unit for measuring the blood sugar of the living body, an injection unit including a container for a blood sugar control agent and a feed pump for the control agent and adapted to inject the control agent into the living body and an arithmetic control unit for calculating the dose of the control agent and controlling the pump of the injection unit in accordance with the results of the calculation. The pump includes a disc-shaped roller holder which holds a plurality of rollers around its periphery. Each roller includes flanges at opposite ends. An elastic tube extends around the rollers under tension. Magnets are embedded along the periphery of the roller supports and are sensed to determine the amount of pumping which has occurred. Tubular stoppers are provided within stepped grooves in the pump housing to receive the ends of the elastic tubes.

REFERENCES:
patent: 3140666 (1965-07-01), Currie
patent: 3172367 (1965-03-01), Kling
patent: 4206755 (1980-06-01), Klein
patent: 4315718 (1982-02-01), Hogan
patent: 4385630 (1983-05-01), Gilcher et al.
patent: 4424011 (1984-01-01), O'Brien et al.

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