Medication infusion device

Details Medication infusion device Medication infusion device

1982-06-16

1984-10-30

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

417474, 417510, A61M 500

Patent

active

044797974

ABSTRACT:
A liquid medication infusion device includes a number of elongate fingers each displaceable in a predetermined sequence by associated cams driven by drive means such as a motor. A feeding tube for liquid medication, when placed between said fingers and a cap, is squeezed by the fingers to infuse liquid medication into a human body. The fingers comprise at least three fingers arranged parallel to one another with a central finger and side fingers arranged on either side of the central finger. The central and side fingers are formed integrally with a support member and are each carried at first ends by the support member in cantilevered fashion. The side fingers are shaped for squeezing the feeding tube at corresponding substantially point locations on the tube to completely collapse the tube, and the central finger is shaped for squeezing the feeding tube over a required length between the point locations for pumping the medication in the tube. Each finger has its cantilevered end portion reduced in thickness for providing a spring action.

REFERENCES:
patent: 2105200 (1938-01-01), Phelps
patent: 2625932 (1953-01-01), Salisbury
patent: 3658445 (1972-04-01), Pulman et al.
patent: 3679331 (1972-07-01), Kushner
patent: 3778195 (1973-12-01), Bamberg
patent: 4236880 (1980-12-01), Archibald
patent: 4273121 (1981-06-01), Jassawalla

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