Radius and Ulna are commonly broken in kids. If they are badly broken then they frequently require surgery.
TENS Nail is commonly performed in order to correct alignment of fracture and restore function.
This video demonstrates the TENS nail in radius and ulna in great detail taking you step by step through the surgery.
This video will help you immensely if you are a trainee and learning this procedure.
For patients it will give you an idea about the nature of surgery.