Need Ligament Surgery Hospital in Pimple Saudagar, Rahatani, Pune? Osteon Orthopedic Hospital is the Best Ligament Surgery Hospital in Pimple Saudagar, Rahatani, Kalewadi, Pimpri Chinchwad and Pune. Ligaments are strong bands of tissue that attach one bone to another bone. During ACL reconstruction, the torn ligament is removed and replaced with a band of tissue that usually connects muscle to bone (tendon). The graft tendon is taken from another part of your knee or from a deceased donor.