A nose bleed treatment system for use in treating a patient having a nose bleed uses a nose clip that resiliently clamps the patient’s nostrils to provide pressure to help stop the bleeding. In one embodiment, the multiple Hall Effect sensors comprise two different types of Hall Effect sensors. A common drill controller uses sensors to determine when a particular flexible sharp has been selected. A head portion is coupled to the handle portion and has a receiving surface sized to receive at least a portion of the keratome blade.