US 12,268,849 B2
Syringe plunger finger ring structures
Gennady I Kleyman, Brooklyn, NY (US); and Alexander Merson, Brooklyn, NY (US)
Assigned to Alger & Klemer, LLC, Brooklyn, NY (US)
Filed by Gennady I Kleyman, Brooklyn, NY (US); and Alexander Merson, Brooklyn, NY (US)
Filed on Sep. 1, 2023, as Appl. No. 18/241,462.
Application 18/241,462 is a division of application No. 17/228,797, filed on Apr. 13, 2021, granted, now 11,779,707.
Prior Publication US 2023/0405231 A1, Dec. 21, 2023
Int. Cl. A61M 5/31 (2006.01)
CPC A61M 5/3137 (2013.01) [A61M 5/3148 (2013.01); A61M 2005/3139 (2013.01); A61M 2210/0637 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An apparatus attachable to a syringe finger ring having an open area within the syringe finger ring and connected to a syringe plunger having a plunger shaft axis extending radially outward from the syringe finger ring, the syringe finger ring having a radial dimension extending across said open area, the apparatus comprising:
a spacing member having a surface disposed within said open area to provide reduction in said radial dimension; and
a retaining member, enabling said spacing member to be retained on said syringe finger ring within said open area, wherein
said retaining member comprises
a holding block engaging said syringe finger ring, and
an adjustment member disposed to adjustably connect said spacing member and said holding block and provide adjustable movement of said spacing member along said radial dimension within said open area.