US 11,654,252 B2
Housing with syringe holding feature
Ran Hezkiahu, Herzliya (IL)
Assigned to West Pharmaceutical Services, Inc., Exton, PA (US)
Appl. No. 16/651,943
Filed by West Pharmaceutical Services, Inc., Exton, PA (US)
PCT Filed Oct. 1, 2018, PCT No. PCT/US2018/053819
§ 371(c)(1), (2) Date Mar. 27, 2020,
PCT Pub. No. WO2019/068109, PCT Pub. Date Apr. 4, 2019.
Claims priority of provisional application 62/565,669, filed on Sep. 29, 2017.
Prior Publication US 2020/0282152 A1, Sep. 10, 2020
Int. Cl. A61M 5/24 (2006.01); A61M 5/34 (2006.01); A61M 5/31 (2006.01); A61M 5/315 (2006.01); A61M 5/32 (2006.01)
CPC A61M 5/346 (2013.01) [A61M 5/3129 (2013.01); A61M 5/31566 (2013.01); A61M 5/31578 (2013.01); A61M 5/3202 (2013.01); A61M 5/345 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A securing device for an injection device configured to receive a syringe, the syringe comprising a barrel having a proximal end portion and a distal end portion, the proximal end portion comprising a flange that projects radially outward, the flange defining a proximally-facing surface and a distally-facing surface, the securing device comprising:
a body comprising:
a proximal end portion;
a distal end portion;
an opening in the proximal end portion extending to an interior of the body, the opening configured to accept the syringe;
a radially-outwardly facing outer surface; and
a proximal end surface being configured to contact the distally-facing surface of the flange of the syringe when the syringe is advanced distally into the opening, so that the flange does not move distally past the proximal end surface of the body; and
a securing arm comprising:
a free end;
a base end fixed directly to the radially-outwardly facing outer surface of the body;
a first portion extending away from the base end beyond the proximal end surface of the body in a radial direction to define a radial flange clearance between the securing arm and the body along the radial direction permitting the flange to pass the first portion as the syringe is advanced distally into the opening; and
a second portion,
wherein the first portion extends proximally from the base end beyond the proximal end surface to define a flange gap between the proximal end surface of the body and a distally-facing surface of the second portion,
wherein the second portion is located proximally with respect to the flange gap and defines an inner surface with a concavity that extends generally circumferentially around the opening in the body and at least partially radially inwardly toward the free end in a rest position of the securing arm,
wherein the second portion is configured to contact the flange as the syringe is advanced distally into the opening,
wherein the securing arm is elastically flexible to permit at least the free end to move radially outwardly relative to the body to allow the flange to pass the first portion as the syringe is advanced distally into the opening, and
wherein the securing arm is biased to the rest position such that, after the flange passes the second portion, the distally-facing surface of the second portion is configured to contact the proximally-facing surface of the flange to prevent the flange from moving proximally past the securing arm.