Patent ID: 6736537
Filing Date: 2004-05-18
Classification: A61B,B01F

Abstract:
A delivery mechanism for use in a bone cement mixing and delivery assembly for delivering a bone cement, the assembly having a distal end, a proximal end, and an aperture located at the proximal end, comprising:a piston disposed in said assembly for transferring said bone cement from said assembly to said proximal end; a plunger extendable from said piston for forcing said bone cement through said aperture; a transfer mechanism coupled to the assembly adjacent for advancing said piston and said plunger in unison and for advancing said plunger relative to said piston; and, a delivery cartridge having a cartridge end connected to said aperture and extending to an open end with a smaller diameter than said assembly, said plunger having a cross section permitting the plunger to extend through said aperture and into said delivery cartridge.