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:
Jul. 21, 2026

Filed:

Sep. 25, 2020
Applicant:

Becton, Dickinson and Company, Franklin Lakes, NJ (US);

Inventors:

Bo Yang Yu, Winchester, MA (US);

Bradley Wilkinson, North Haledon, NJ (US);

Bart Peterson, Farmington, UT (US);

Mark Newby, Kamas, UT (US);

Assignee:

BECTON, DICKINSON AND COMPANY, Franklin Lakes, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61M 5/178 (2006.01); A61M 39/22 (2006.01); A61M 39/24 (2006.01); A61M 5/32 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31553 (2013.01); A61M 5/1782 (2013.01); A61M 39/223 (2013.01); A61M 39/24 (2013.01); A61M 5/3202 (2013.01);
Abstract

A syringe assembly () that locks a syringe () to prevent backflow of medicament, the syringe assembly () comprising a syringe () including a barrel () configured to carry the medicament, a plunger () that communicates with the barrel (), and a plunger head () disposed on a proximal end of the plunger (), and a locking assembly () disposed around the barrel (), wherein the locking assembly () prevents the plunger () from moving away from the barrel () to draw the medicament into the barrel ().


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