Patent ID: 9731081
Date: 2017-08-15
CPC Classifications: A61M

Claim:
1. A needle guard couplable to a ready-to-fill syringe comprising a lock collar couplable to a neck of a syringe, a lock ring assembled to the lock collar, a device shield, and a flexible member interconnecting the lock collar and the device shield, wherein the device shield is movable relative to the lock collar from a first configuration where the device shield is free to retract proximally to expose a syringe sharp to a second configuration where the device shield is fixed in a position covering the syringe sharp, wherein the device shield is caused to disengage from the first configuration as the device shield moves proximally enabling the device shield to move distally under the bias of the flexible member to the second configuration, wherein the device shield includes one or more lockout arms and the lock ring includes one or more protrusions, wherein the one or more lockout arms engage the one or more protrusions to retain the device shield in the second configuration.