Patent ID: 9227020
Filing Date: 2016-01-05
CPC Classification: A61B,A61M

Claim Text:
1. A disposable remote-injection syringe for use with an endoscope, comprising: a syringe needle; an inner tube; an outer tube; a casing, the syringe needle installed on one end of the inner tube, the inner tube installed in the outer tube, the outer tube connected with the casing, an injection plunger rod, one end of which extending into the casing to be connected with the casing in a sliding manner; an elastomer connected with the injection plunger rod installed in the casing; a locking socket installed on the casing; and a locking plug connected with the locking socket in an engaging manner and installed on the injection plunger rod, the locking plug including a one-way check rack, the one-way check rack having a plurality of one-way check teeth arranged one after another along an axial direction of the injection plunger rod, wherein different one-way check teeth, when engaged with the locking socket, expose different lengths of the syringe needle from the outer tube.