The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 07, 2021

Filed:

May. 07, 2020
Applicant:

Carefusion 303, Inc., San Diego, CA (US);

Inventors:

Raymond Feith, Chino Hills, CA (US);

Eugene Mason, La Habra Heights, CA (US);

Shervin Maleki, Long Beach, CA (US);

Assignee:

CAREFUSION 303, INC., San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 15/14 (2006.01); F16K 25/00 (2006.01);
U.S. Cl.
CPC ...
F16K 15/148 (2013.01); F16K 25/00 (2013.01);
Abstract

Check valve assemblies for fluid flow sets and devices are provided. The check valve assembly includes a housing having an inlet body and an outlet body. The inlet body includes a fluid inlet, a first seal bead having a first height, a second seal bead having a second height and a central channel. The outlet body includes a fluid outlet and a stem having a centering post, the centering post received by the central channel of the inlet body. A seal has an inner ring with a first thickness and an outer ring with a second thickness less than the first thickness. The inner ring is engaged with the first seal bead and the outer ring is engaged with the second seal bead in a fully sealed position of the check valve assembly. Fluid flow sets and methods for manufacturing check valve assemblies are also provided.


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