Brachial artery bypass is a procedure performed to treat blockages in the brachial artery, which supplies blood to the arm. The surgery involves using a graft to reroute blood flow around the blocked or narrowed artery, restoring normal circulation to the arm.

This procedure is used to improve blood flow in patients with conditions such as peripheral artery disease or trauma-related injuries, preventing complications like tissue death, ulcers, or loss of function in the arm.