Parenteral fluid administration sets

Details Parenteral fluid administration sets Parenteral fluid administration sets

1976-02-06

1977-03-08

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128214D, 128228, 137135, 222416, A61M 516

Patent

active

040107507

ABSTRACT:
A parenteral fluid administration set comprising a container having therein a supply of a fluid to be administered intravenously and being characterized by a floating siphon operative to flow fluid from said container supply thereof at a predetermined rate of flow, said floating siphon comprising a float and at least one siphon U-tube whose shorter leg extends through and is affixed to the float and whose longer leg terminates below the inlet end of said shorter leg and a substantial distance above the container bottom, said longer leg opening to and flowing fluid into an axially non-rigid fluid-flow tube extending through the body of the fluid in said container and delivering same through the container bottom to an I.V. tubing line extending to an infusion needle, said axially non-rigid fluid-flow tube being fashioned from thin plastic or rubber sheet material and being radially collapsible under the pressure of the body of fluid acting thereagainst, but being maintained against complete radial collapse by a pliant coil spring extending through the non-rigid tube and whose coils possess the stiffness requisite to maintaining a fluid-flow passage through said non-rigid tube.

REFERENCES:
patent: 2542461 (1951-02-01), Bay
patent: 2640358 (1953-02-01), McClure
patent: 2648333 (1953-08-01), Cutter
patent: 2704544 (1955-03-01), Ryan
patent: 2786467 (1957-03-01), Price
patent: 3667464 (1972-06-01), Alligood
patent: 3949745 (1976-04-01), Howell

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