A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/46 (2006.01) B01F 7/00 (2006.01) B01F 15/00 (2006.01)
Patent
CA 2690894
A bone cement mixing and delivery assembly (30) is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end (34) and a proximal end (36) and defining a mixing chamber (40) between the distal end and the proximal end. A transfer mechanism having a cup (52) and a stem supporting a piston (64) and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism (68) for advancing the piston and plunger in unison and a second advancement mechanism (70) for moving the plunger independent of the piston. The assembly further includes a removable bundle (120) having a shaft for attachment of a mixing blade and a quick-release connector (142) and a release button (144) for locking and unlocking the mixing blade (128) from the removable handle.
Coffeen Jared P.
Huyser Richard F.
Persteiner Weston
Stratton Dennis A.
Tague Christopher M.
Gowling Lafleur Henderson Llp
Stryker Corporation
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