PRP injection ultra-sound guidance rotator cuff tear India. See how platelet rich plasma (PRP) is prepared and injected into the rotator cuff tendon and acromioclavicular joint under ultra sound guidance. This ensures accurate delivery of the biologic substance into the tear and will ensure healing. Orthobiologics are indicated for repair and regeneration of damaged cartilage, tendon and ligaments. When done under ultra-sound guidance, they are guaranteed to produce good results.