C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
31/156, 167/325
C08L 51/00 (2006.01) A61L 24/00 (2006.01) C09J 4/06 (2006.01)
Patent
CA 1150880
Abstract: An acrylic cement-like substance which permits seating and securing of a prosthesis into living bone which comprise a mixture of a liquid monomer component and a polymer powder component such that upon mixing the two components, a cement which maintains a low viscosity for a longer period of time is formed. The low viscosity bone cement is intended for syringe or injector gun use only as it is to be used before the cement becomes doughy. This low viscosity bone cement has a viscosity at approximately 20 degrees C (68 degrees F), of less than 1500 poise, and preferably less than 1000 poise up to the sixth or seventh minute after the two components are mixed. The cement used in the lower viscosity state is more capable of penetrating the trabeculae of bones when used to secure a prosthesis, than when the cement is applied in the doughy state.
370099
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
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