Guyon’s Canal Release and Carpal Tunnel Release 4 Mackinnon SE1 Yee A1 February 3, 2011Disclosure: No authors have a financial interest in any of the products, devices, or drugs mentioned in this production or publication.The ulnar nerve is decompressed in the wrist through Guyon's canal and in the hand, specifically the deep motor branch of the ulnar nerve. This deep motor branch is released by dividing the tendious arch of the hypothenar muscles. In addition, a carpal tunnel release is performed by transecting the transverse carpal ligament.Keywords: deep motor branch of ulnar nervecarpal tunnel releaseflexor retinaculumcompression neuropathynerve decompressionGuyon's canal releasetransverse carpal ligament You must login to view the full article and extended video on this page. Standard Edition Table of Contents- Slow down- Frustration00:00:00 - Introduction00:00:10 - Orientation00:00:15 - Incision / Exposure00:00:25 - Identification of Palmar Carpal Ligament and Release of Guyon's Canal00:00:42 - DECOMPRESSION OF THE DEEP MOTOR BRANCH OF THE ULNAR NERVE00:02:02 - Sweeping the Ulnar nerve and Artery Ulnarly00:02:05 - Demarcation of the Hook of Hamate00:02:37 - Identifying the Tendious Leading-edge of the Hypothenar Muscle00:02:46 - Release of the Deep Motor Branch of the Ulnar Nerve00:03:53 - CARPAL TUNNEL RELEASE00:04:02 - Identification of the Intersection between the Hypothenar and Thenar Muscles00:04:12 - Demarcating the Incision across the Flexor Retinaculum00:04:19 - Transection of the Flexor Retinaculum00:05:05 - Visualizing and Release the Antebrachial Fascia You must login to view the full article and extended video on this page. Leave a Comment Cancel replyYou must be logged in to post a comment.