Patent ID: 6547432
Filing Date: 2003-04-15
Classification: A61B,B01F

Abstract:
A bone cement mixing and delivery assembly for delivering a bone cement, said assembly comprising:a cartridge having a distal end and a proximal end and defining a chamber between said distal end and said proximal end; a lid connected to said proximal end and having an aperture; a piston disposed in said chamber for transferring said bone cement from said chamber to said proximal end; a plunger extendable from said piston for forcing said bone cement through said aperture; a transfer mechanism adjacent to said distal end and in sealing engagement with said cartridge 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 chamber, said plunger having a cross section permitting the plunger to extend through said aperture and into said delivery cartridge.