Do you open the joint for this surgery?

No.

Do u use any foreign material in or around joint?

No.

When I will be able to walk?

On the same day..

Will I be able to do all routine activity?

Yes, you can..

Will I be able to play out door sports?

Yes with out fear because there will not be any artificial material in your body.

Will protective mechanism of my joint like ligament , cartilage etc…. sacrificed?

No.they will remain as it is. Functioning normally.

How long will be the hospital stay?

4 days..