B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/32 (2006.01) A61F 2/46 (2006.01) B01F 5/06 (2006.01) B01F 13/00 (2006.01) B05C 17/005 (2006.01) B05C 17/01 (2006.01) A61B 19/02 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2168274
Poly(alkyl methacrylate) bone cement ingredients are prepackaged as two separate components in two separate chambers of a container which can be connected to a static mixer, where both components are in a liquid form that is at least substantially air-free, and wherein the static mixer can mix the two liquid components without mechanical agitation and without the introduction of air into the two liquid components during the transfer of the two liquid components from their separate chambers through the static mixer. The first liquid component is formed by premixing a bone cement liquid monomer with bone cement polymer powder, a polymerization initiator, and a stabilizer to form a liquid mixture. The second liquid component is formed by premixing bone cement liquid monomer with bone cement polymer powder, if any, a stabilizer, and an activator to form a liquid mixture. The monomer/polymer ratio of each liquid component containing polymer will be in the range of the minimum required to provide the respective component as a liquid mixture up to the maximum which, when the two liquid components are mixed, will result in the desired monomer/polymer ratio for the mixture. Each end of each of the chambers can be provided with an air impermeable layer to provide a hermetic seal for the chamber.
Chan Kwan-Ho
Kirby Eades Gale Baker
LandOfFree
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