Bone mill

There is disclosed a bone mill for use with a base unit having a drive spindle, said bone mill including: a housing having an inlet opening into which bone stock is introduced into said housing and an outlet opening spaced away from said inlet opening; and a cutting device mounted in said housing between said inlet opening and said outlet opening, said cutting device being circular in shape so as to have a center and being mounted in said housing for rotation within said housing; and including: at least one cutting edge that, when said cutting device is rotated, is configured to convert bone stock into bone chips; at least one opening spaced radially outwardly from the center of said cutting device that is configured to engage a complementary tooth on the drive spindle of the base unit so that the rotation of the drive spindle results in the like rotation of said cutting device around the center of said cutting device; and an alignment hole located at the center of said cutting device for engaging a base unit alignment pin of the drive spindle so that the engagement of said alignment pin results in the lateral positioning of said cutting device so that said tooth on the drive spindle can engage said opening on said cutting device and rotate said cutting device.