Dear Lalit,

To the best of my knowledge pure Cu is not applicable due to corrosion and ion release. In other words Cu implants if implanted barely (without  any protective film or coating) would be toxic and cause systemic inflammation. 

Dear Lalit,

also zirconium (Zr) or titanium-zirconium alloy (TiZr) can be used to produce implants, for example in the specific case of dental implants.

Try to check the attached papers about this topic, I think that they could be useful to give a possible answer to your question.

Best regards,

Paolo

There are magnesium based metals, but they have biodegradable properties, not being suitable for permanent aplications.

Material used for bio implants is best from polymer or ceramics. Metals is not really good for implant that will react with human blood. As you can read in many papers, metal is best for bone implant.