Patent ID: 7972630

Claim:
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.