Patent ID: 7371241
Filing Date: 2008-05-13
Classification: A61B

Abstract:
1. A system for percutaneous delivery of bone cement during a surgical procedure, comprising: a plunger assembly, comprising: a shaft having a first end, a middle section, and a second end, wherein said middle section is threaded; and a handle attached to said first end of said shaft; a dispenser hub assembly around said shaft, said dispenser hub assembly having a collar and a hand-grip attached to said collar, and a threaded portion formed on an interior surface of said collar; a hollow tube pre-filled with the bone cement for use during the surgical procedure having a first end and a second end, said first end of said hollow tube adapted to be removably engaged with said dispenser hub assembly, wherein said shaft is axially displaceable through said hollow tube for controlled displacement of the bone cement through said second end of said hollow tube; and a release assembly disposed in a void formed in said dispenser hub assembly for controlling the axial displacement of said shaft through said hollow tube.