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:
Feb. 03, 2026
Filed:
Aug. 16, 2021
Applicant:
Thomas J. Shaw, Frisco, TX (US);
Inventor:
Thomas J. Shaw, Frisco, TX (US);
Assignee:
Retractable Technologies, Inc., Little Elm, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61B 5/15 (2006.01); A61B 5/153 (2006.01); A61M 5/31 (2006.01); A61M 5/32 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31513 (2013.01); A61B 5/150236 (2013.01); A61B 5/150755 (2013.01); A61B 5/153 (2013.01); A61M 5/3134 (2013.01); A61M 5/3232 (2013.01); A61M 2005/3131 (2013.01); A61M 2005/31516 (2013.01);
Abstract
A medical syringe useful for administering an injection or withdrawing a bodily fluid, the syringe comprising a barrel, plunger assembly and a needle assembly having a selectively retractable needle, the plunger assembly further comprising a plunger handle with a plunger seal and a front tip extending forwardly of the plunger seal to extend through the barrel and into the an annular fluid seal disposed in a recess between the barrel and a forwardly projecting needle, thereby reducing dead space inside the syringe and helping anchor the annular fluid seal inside the recess.