Apparatus for dispensing low viscosity semi-fluid material under pressure

摘要: An injection gun especially useful for inject-ing low volume, high pressure shots of bone cement. The includes a cylindrical housing with plunger including rod extending axially through the housing. segment which is provided an axial series notches. A ratchet block slidable within and concentric rod. cylinder mounts at least pawl urged against adapted to engage lock into notches forward movement. pistol grip extends from housing, lever pivoted thereto extension engaging advancing plunger. second mounted on fixed member retaining rearward movement when in disengaged