Injectable bone mineral substitute material
First Claim
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1. A bone mineral substitute material powder composition comprising:
- an inorganic bone cement powder chosen from the group consisting of a calcium sulphate powder, a hydroxylapatite powder, a calcium phosphate powder, and mixtures thereof; and
a biologically compatible oil chosen from the group consisting of cotton seed oil, linseed oil, sunflower oil, olive oil, soybean, oil, maize oil, almond oil, peanut oil, palm oil, whale oil, bone oil, and vitamin E,wherein said biologically compatible oil and said cement powder is an intermixture which still has the properties of a powder, said biologically compatible oil having a concentration of more than 1 wt % but less than 10 wt % of the total weight of said composition in order to improve the rheology of said composition, said powder composition forms an injectable paste when mixed with water.
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Abstract
An injectable bone mineral substitute material composition comprises an inorganic bone cement powder and a biologically compatible oil. The oil is an intermixture with the cement powder at a concentration of less than 10 wt % of the total weight of the composition in order to improve the rheology of the same. In a method of intermixing a powder of an implant material and a biologically compatible oil to a composition the oil is mixed with the powder of implant material at an elevated temperature.
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22 Claims
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1. A bone mineral substitute material powder composition comprising:
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an inorganic bone cement powder chosen from the group consisting of a calcium sulphate powder, a hydroxylapatite powder, a calcium phosphate powder, and mixtures thereof; and a biologically compatible oil chosen from the group consisting of cotton seed oil, linseed oil, sunflower oil, olive oil, soybean, oil, maize oil, almond oil, peanut oil, palm oil, whale oil, bone oil, and vitamin E, wherein said biologically compatible oil and said cement powder is an intermixture which still has the properties of a powder, said biologically compatible oil having a concentration of more than 1 wt % but less than 10 wt % of the total weight of said composition in order to improve the rheology of said composition, said powder composition forms an injectable paste when mixed with water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification