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.
Patent No.:
Date of Patent:
Apr. 19, 2022
Filed:
Apr. 06, 2018
Applicant:
C. R. Bard, Inc., Murray Hill, NJ (US);
Inventors:
Daniel B. Blanchard, Bountiful, UT (US);
Kelly B. Powers, North Salt Lake, UT (US);
William R. Barron, Riverton, UT (US);
Assignee:
C. R. Bard, Inc., Franklin Lakes, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 39/22 (2006.01); A61M 25/00 (2006.01); F16K 15/14 (2006.01); A61M 5/168 (2006.01); A61M 25/06 (2006.01); A61M 1/00 (2006.01);
U.S. Cl.
CPC ...
A61M 39/223 (2013.01); A61M 5/16881 (2013.01); A61M 25/0075 (2013.01); A61M 39/22 (2013.01); F16K 15/147 (2013.01); A61M 1/0062 (2013.01); A61M 25/0693 (2013.01);
Abstract
A catheter assembly for regulation or transfer of fluids to and from a patient. The catheter assembly may include a catheter and a valve assembly. The valve assembly may include a diaphragm having two unidirectional slit valves that open in different directions, a first unidirectional slit valve opening distally in response to an infusion-induced pressure and a second unidirectional slit valve opening proximally in response to an aspiration-induced pressure.