US Patent 9649108 Orthopedic bone staple with polyaxial compression capability

A bone fixation device or bone staple includes a crown portion, an engagement portion, and an outer rim generally defined between the crown portion and the engagement portion. The engagement portion includes a plurality of legs extending from the outer rim in a direction away from the crown portion. The plurality of legs are generally radially disposed and evenly spaced apart around the outer rim. The legs are beveled to provide a compressive effect to the bone when the staple is inserted into the bone.