<prompt> Putti Platt operation is done forElbow instabilityShoulder instabilityRotator cuff tearBiceps Tendinitis  <response>: Putti-Platt operation is done for preventing recurrent shoulder dislocation. Double breasting of subscapularis tendon is performed in order to prevent external rotation and abduction, thereby preventing recurrences. Other operations are Bankas operation, Bristows operation. Ref: Essential Ohopaedics, Maheswari Mhaskar, 9th ed 