Patent ID: 8959778
Filing Date: 2015-02-24
Classification: A61B

Abstract:
1. A surgical safety scalpel comprising a blade, a sheath, and a handle, wherein the blade is fixed at one end to an extended nose on the handle, and wherein said sheath is longitudinally, slidably and inseparably mounted on said handle; said sheath further comprising a first surface, a second surface and two side surfaces connecting the first and second surfaces, said sheath having a base surface defined by an edge of each of the first, second, and side surfaces and having an opening; said sheath further comprising an aperture through at least one of the surfaces of said sheath; a first stopper and a second stopper mounted on the handle, a face of said second stopper aligned opposite to a face of said first stopper, wherein said aperture of the sheath is in contact with the face of the first stopper and the base surface of said sheath is stopped by the face of the second stopper when the sheath is in a blocking position, covering said blade, and wherein the base of said sheath is stopped by a third stopper on or near a tail of said handle, preventing said sheath from sliding off of the handle when the sheath is in a ready position, wherein said first stopper also engages with said sheath to resist a sliding movement of said sheath towards said blade when the sheath is in the ready position.