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:
May. 12, 2026
Filed:
Oct. 19, 2021
Applicant:
Becton, Dickinson and Company, Franklin Lakes, NJ (US);
Inventor:
J. Richard Gyory, Sudbury, MA (US);
Assignee:
Becton, Dickinson and Company, Franklin Lakes, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 7/00 (2006.01); A61M 5/142 (2006.01); A61M 5/145 (2006.01); A61M 5/168 (2006.01); F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
F04B 7/0061 (2013.01); A61M 5/14248 (2013.01); A61M 5/1452 (2013.01); A61M 5/14586 (2013.01); A61M 5/16881 (2013.01); F04B 49/06 (2013.01);
Abstract
A pump suitable for use in a wearable medical device, such as a patch pump, comprises an axially translatable chamber with an inlet and an outlet, a piston or a diaphragm rotatably received in the chamber, a first valve between the inlet and the chamber, a second valve between the outlet and the chamber, a cam affixed to the chamber, a follower affixed to the piston and in contact with the cam for axially translating the chamber, and a biasing means acting on the chamber for applying a force on the chamber in an axial direction of the chamber to maintain such contact.