PRP & collagen injection partial rotator cuff tear India, Dr.A.K.Venkatachalam relived this gentleman’s shoulder pain. He felt no pain during the injections as he had been given a nerve block for regional anesthesia. Precise targeting of the nerve and tendons is possible with ultrasound guidance in India. He came to Chennai as he wanted a precisely targeted injection. He is very happy with the procedure. See his testimonial here. If you want this procedure, email drvenkat@kneeindia.com