Foot and Ankle

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PAN1-00010-EN | F | First Metatarsal Distal Chevron Osteotomy with LPS Screw

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First Metatarsal Distal Chevron Osteotomy with LPS Screw

The distal chevron is a technique designed to correct bunion deformities of the foot. The surgeon begins by performing a release of the soft tissues that contribute to the deformity. A saw blade is used to remove the prominent bump on the inside of the big toe. A marking pen is used to place a dot in the center of the metatarsal head. The saw is then used to make a V-shaped cut in the head of the first metatarsal. The remainder of the toe is then shifted laterally, approximately one half the width of the first metatarsal. This corrects the bunion deformity. A guidewire is then drilled through both pieces, holding them in place. A drill is passed over the guidewire, creating a hole in the top of the bone. A depth gauge is used to determine the length of the screw. A screw is placed to hold both bone fragments together. The saw is then used to trim the exposed corner off the cut. Removing any medial prominence, this provides a smooth edge to the inside of the big toe.

Procedure

Chevron-Osteotomie

First Metatarsal Distal Chevron Osteotomy with LPS Screw

Related Pages

Foot and Ankle

Chevron-Osteotomie

Procedure