Patent ID: 9561327
Date: 2017-02-07
CPC Classifications: A61B,A61M

Claim:
1. A syringe assembly comprising: a barrel comprising: a plunger comprising a plunger head coupled to a distal end of the plunger; a valve disposed adjacent the distal end of the barrel, wherein the valve is configured to selectively permit withdrawal of fluid into the barrel as the plunger is retracted within the barrel; and a locking mechanism operably coupled to the seating region of the barrel and the plunger, the locking mechanism comprising: wherein the locking mechanism is configured to lock the plunger to the barrel such that the plunger head is lockable at all points along the inner chamber of the barrel between the distal end of the barrel and the seating region of the barrel; wherein the locking mechanism restricts withdrawal and advancement of the plunger relative to the barrel when the plunger is locked to the barrel; and wherein the position of the locking mechanism relative to the barrel is fixed when the plunger is locked to the barrel.