This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Puttiplat operation is done for ? 
Select and explain. 
A. Elbow instability, B. Shoulder instability, C. Rotator cuff tear, D. Biceps Tendinitis
B: Shoulder instability
Answer: B: Shoulder instability 
Explanation: Ans. is 'b' i.e., Shoulder instability