Arthroscopic repair of rotator cuff tear is performed in two ways dependent on the tear:
Knotless Rotator Cuff Repair with Arthrex SpeedFix
Rotator Cuff Repair with Arthrex SpeedFix

Superior capsular reconstruction is used when patients have massive unrepairable tears in their rotator cuff and is alternative to reverse total shoulder arthroplassty that preserves their own joint.

Arthroscopic labral repair is a common procedure for pain and instability from a torn labrum.

For the elbow, synovectomy, chondroplasty, and loose body removal and even a biceps tendon rupture may be repaired with minimal incision.

A hip can have a torn labrum as cause of pain and impingement called the FAI syndrome.

Arthroscopic knee surgery can accomplish many things:

One way to reconstruct ACL
Torn meniscus repair 
Joint cartilage can be repaired microfracture 
Graft Implant 
Cartilage Regrowth 

Ankle Arthroscopy can relieve impingement and can help damaged cartilage recover. 

Arthrex Supplies all Arthroscopy Equipment and Supplies.

Click HERE for their Education Site.

These procedures all have specific indications, expectations, and limitations and their appropriateness for you will be discussed with you.