Patent ID: 9050416
Filing Date: 2015-06-09
Classification: A61M

Abstract:
1. A needle safety device for a syringe having a barrel and a needle fitted to a distal end of the barrel, the device comprising: a hollow sleeve having a proximal portion and a distal portion, the proximal portion being separated from the distal portion by a radially-inwardly projecting ledge; a ring disposed in the proximal portion of the sleeve and having an outer surface and an inner surface, the ring being movable with respect to the proximal portion of the sleeve in an axial direction between a first position wherein the ring is spaced from the projecting ledge, and a second position, wherein the ring is adjacent to or abuts the projecting ledge; a hollow shield configured to receive the syringe at least partially therein and having at least one radially deformable tab at a proximal end thereof, the shield being at least partially disposed in the sleeve and being movable in an axial direction with respect to the sleeve between an initial position wherein the at least one tab is adjacent to or abuts the projecting ledge, an injection position wherein the at least one tab is spaced from the projecting ledge, and a protection position wherein the at least one tab is located distally from the projecting ledge so that the shield covers the needle, the at least one tab being configured to: