Patent ID: 11904144
Assignee: ARTHREX, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 6:
7. A device for controlled positioning of a plunger comprising:
a) a first syringe having a first body with a first diameter;
b) a second syringe nested within the first syringe, wherein the second syringe comprises a second body with a second diameter smaller than the first diameter; and
c) the plunger nested within the second body;
d) a locking support cage comprising a tubular body having an aperture, and at least one ridge disposed on an outer surface of the tubular body, wherein the locking support cage surrounds the second syringe, and fits within the first body; and
e) a locking clip configured i) to surround the locking support cage and to be fastened around finger grips of the first syringe, and ii) to interact with the at least one ridge of the locking support cage via an inner surface so as to prevent regression of the plunger during extension of the plunger.