US Patent 7172611 Surgical scalpel assembly

A surgical scalpel assembly includes a handle having at least one attachment element and at least one guide element. The assembly also has a guard including at least one guide member configured to engage the at least one guide element of the handle such that the guard is movably connectable with the handle. The guard includes a first biased arm having a first boss and a second cantilevered arm having a second boss. The assembly also includes a blade having an attachment groove configured to engage the attachment element of the handle. The blade includes a first hole configured to receive the first boss when the blade is connected to the guard and a second hole configured to receive the second boss when the blade is connected to the guard.