An assembly comprising a structural element with a bayonet having a universal blade fitting inserted into the interior of a tube and an electrical source pod is disclosed. The tube is releasably attached to a handle and a blade is attached to the universal blade fitting to form a terminal configuration, such as a surgical scalpel. The support element provides stability and support for pressure placed on the blade to minimize or prevent breakage of the bayonet during cutting. The support element also provides a lever support and function for the tube it is attached to and the handle that attaches to it. Finally, the support element also serves as a guide rail for all assembly components to adhere to and along upon assembly of all components such as tube, electrical source pod and battery cartridge.