Device for bringing together several infusions and/or injections

Details Device for bringing together several infusions and/or injections Device for bringing together several infusions and/or injections

1991-02-08

1993-03-02

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 83, 604247, A61M 514, A61M 3700

Patent

active

051905248

ABSTRACT:
In a device for combining a plurality of liquid infusions to form a mixture comprising a chamber having a circumference and a plurality of separately closable inlets for various infusion liquids and an outlet for the mixture, and improvement is provided which comprises a chamber having a first chamber portion having inlets, a second chamber portion and an elastic sealing element held in an outer region of the circumference and interposed between the first and second portions, the sealing element extending over and covering the inlets, and segments of the sealing element being prestressed against such inlets to close same, each of the inlets communicating with the chamber and the outlet when the elastic sealing element is removed from covering each such inlet, wherein the separately closable inlets are disposed radially about an axis and the outlet is disposed longitudinally along the axis, wherein the inlets are located proximate the circumference of the chamber and each inlet ends in a sealing element opening space connected with the outlet, and wherein the sealing element has an inner circumference, and is disposed concentrically with the outlet, wherein the inner circumference terminates at a distance from an inner boundary of the opening space.

REFERENCES:
patent: 3416567 (1968-12-01), Von Dardel et al.
patent: 4447230 (1984-05-01), Gula et al.
patent: 4604093 (1986-08-01), Brown et al.
patent: 4666429 (1987-05-01), Stone
patent: 4696671 (1987-09-01), Epstein et al.
patent: 4769017 (1988-09-01), Fath et al.
patent: 4828587 (1989-05-01), Baurmeister et al.
patent: 4908018 (1990-05-01), Thomsen
patent: 4915688 (1990-04-01), Bischof et al.

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