BIOIMPLANT
Provided is a bioimplant which is capable to inhibit the biofilm formation over a long period of time after an operation. The bioimplant of the present invention comprises a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon and the silver concentration in the thermal-spray film is 0.05 wt % to 3.00 wt %.
1 . A bioimplant, comprising a base material of metal, ceramic, or plastic and a thermal spraying film of a calcium phosphate-based material formed at least partially thereon, the silver concentration in the thermal-spray film being 0.05 wt % to 3.00 wt %.
2 . The bioimplant according to claim 1 , wherein said calcium phosphate-based material is a compound or a mixture of two or more compounds selected from the group consisting of hydroxyapatite, α-tricalcium phosphate, β-tricalcium phosphate, and tetracalcium phosphate.