Abstract: A device for expedited reaming of a medullary canal having a detachable reaming head is disclosed. The device includes a reamer head connected at the distal end of a rotatable drive shaft. The reamer head has a cutting head with a plurality of blades and flutes therebetween at a first end and a plurality of resilient arms at a second end. The device may also includes an aspiration tube which fits over the rotatable drive shaft and a reamer head retainer which rotatably engages the reamer head. In addition, the reamer head may be detached from the reamer device for future re-use by using a reamer head removing device.