Miniature peristaltic pump

Details Miniature peristaltic pump Miniature peristaltic pump

1990-03-23

1992-01-28

Bertsch, Richard A.

Pumps

Expansible chamber type

Elongated flexible chamber wall progressively deformed

604153, F04B 4312

Patent

active

050839080

ABSTRACT:
The miniature peristaltic pump (1) of this invention includes a pump module (2) comprising a gear (11) arranged to drive a rotor bearing rollers, said rollers crushing locally at least one tube into which a medicinal preparation may be sucked in at the input (13) and expelled at the output (14) thereof. The gear (11) meshes with a pinion (12) forming part of a motor module (3) adapted to be mounted with or dismounted from the pump module. The motor module comprises a timepiece movement of the type currently employed in a wrist watch, such movement including a stepping motor, an integrated circuit, a quartz resonator and down gearing by means of toothed wheels. An energy cell renders the pump self contained. The pump is intended to be carried on the human body and thus renders unnecessary that the patient recline on a bed.

REFERENCES:
patent: 3737251 (1973-06-01), Berman et al.
patent: 3742697 (1973-07-01), Hama
patent: 4573887 (1986-03-01), Smith
patent: 4692147 (1987-09-01), Duggan
patent: 4813855 (1989-03-01), Leveen et al.
patent: 4834630 (1989-05-01), Godwin
patent: 4968229 (1990-11-01), Nevder
Life Support Systems, vol. 1, No. 1, Jan./Mar. 1983, pp. 23-28, Prestele et al.

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