The Chevron Osteotomy is a v-shaped osteotomy of the distal end of the first metatarsal so that the metatarsal head is shifted lateral in those with a hallux valgus or bunion deformity. It is generally only indicated for mild or moderate hallux valgus deformities.

Curated Resources:
http://www.foot-health-forum.com/forum/showthread.php?t=19882 (Foot Health Forum)
http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=4435 (Podiatry Arena)
http://www.bunion-surgery.net/chevron-osteotomy.html Bunion Surgery.net
http://www.foot-info.com/chevron-osteotomy.php (Foot Pain Info)
http://podiapaedia.org/wiki/surgery/bunion-surgery/chevron-osteotomy/ (Podiapaedia)