Patent ID: 8875405
Filing Date: 2014-11-04
Classification: A61B,A61F

Abstract:
1. A surgical knife comprising: A handle body having a reduced portion and a full portion, a top surface of the reduced portion is offset below a top surface of the full portion, the reduced portion top surface having an elongated slot with at least one detent, the reduced portion having two side channels that are substantially parallel with the elongated slot, a blade holder fixed to a distal end of the reduced portion of the handle body, a blade received in the blade holder, a guard having an upper surface and a lower surface defining a space, the lower surface of the guard having two projections, the upper surface of the guard having two through slots defining a leaf spring, a knob extending from the leaf spring into the space, and a user control surface spaced from the two through slots, wherein the two projections of the guard are movably received in the two side channels of the reduced portion and the reduced portion is received in the space so that the lower surface of the guard engages the reduced portion top surface and the knob is movably received in the elongated slot, wherein the guard is movable between an extended position where the guard covers the blade and a working position where the blade is exposed and the guard upper surface is substantially flush with the top surface of the full portion, and the knob engages the at least one detent in the slot to keep the guard in the extended position or in the working position.