US 12,226,614 B2
Auto-injector and related methods of use
Daniel Halbig, Ballston Lake, NY (US); Bryan Grygus, Clifton Park, NY (US); Trevor Langley, Rensselaer, NY (US); Andrew Dumont, Rensselaer, NY (US); Bart E. Burgess, Bernville, PA (US); Matthew Pausley, Gansevoort, NY (US); and Ross Kenyon, Saratoga Springs, NY (US)
Assigned to Regeneron Pharmaceuticals, Inc., Tarrytown, NY (US)
Filed by Regeneron Pharmaceuticals, Inc., Tarrytown, NY (US)
Filed on Dec. 29, 2021, as Appl. No. 17/565,237.
Claims priority of provisional application 63/134,554, filed on Jan. 6, 2021.
Claims priority of provisional application 63/133,185, filed on Dec. 31, 2020.
Prior Publication US 2022/0203032 A1, Jun. 30, 2022
Int. Cl. A61M 5/20 (2006.01); A61M 5/145 (2006.01); A61M 5/168 (2006.01); A61M 5/24 (2006.01)
CPC A61M 5/2053 (2013.01) [A61M 5/14526 (2013.01); A61M 5/16881 (2013.01); A61M 5/2033 (2013.01); A61M 5/2466 (2013.01); A61M 2005/14513 (2013.01); A61M 2005/206 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An auto-injector, comprising:
a container capable of comprising a medicament;
a shuttle coupled to the container and horizontally movable with the container on a horizontal path between a first position and a second position;
an energy source configured to release energy to translate the container and to translate the shuttle along the horizontal path from the first position to the second position, the energy source is pressurized fluid from a can;
an impediment preventing horizontal movement of the shuttle before activation of the auto-injector; and
a needle having
a first end configured to extend out of the auto-injector, and
a second end configured to extend into the container, wherein the second end of the needle and the container are not in fluid communication with one another before activation of the auto-injector;
and the energy is released from the energy source after:
a. the auto-injector is activated; and
b. the shuttle moves along the horizontal path, whereby
i. the container and the second end of the needle are put into fluid communication with one another, and
ii. the first end of the needle extends out of the auto-injector.