To illustrate the preferred embodiment of the present invention simply, a conventional metal that is preferred by most surgeons had improved the conventional surgical scalpel handle by providing the look and feel similar to a reusable metal surgical scalpels and scalpel handle for safe surgery that combines a disposable blade cartridge that covers the blade, before use, the use of after use the metal in the surgical scalpel handles are easily mounted and removed.For the safety of surgical scalpel will accept an internal, blade cartridge that can slide the blade guard and blade holder to cover the cut side, the blade holder and blade are permanently fixed to the blade as the blade of a similar standard Surgery and a scalpel handle, and safety devices for surgery. The surgical scalpel handle, but can be reused, the blade cartridge (blade, blade holder and blade guard are combined) is disposable.On the other hand conventional techniques blade guard is separable from the fixed blade to slide off the combination of the disposable blade cartridge, the present invention is the blade guard to slide out of the separable fixed by default.The present invention preferably includes a safety disposable blade cartridge that can be used as a surgical scalpel handle of a disposable metal or plastic that can be reused. The blade cartridge is easily fixed in a surgical scalpel handle is secured to a surgical scalpel handle. The blade is preferably at least three distinct states - opening, closing and locking - can be moved through.to join the blade cartridge for a surgical scalpel handle, or use it to separate the vertical side access to the longitudinal axis of the surgical scalpel handle (longitudinal axis). When fixing the handle to the surgical scalpel, blade guard, because of the vertical movement is limited or no movement, the blade and the blade holder of the blade cartridge can be moved only in the vertical direction.According to another embodiment, the blade cartridge is in i
