Surgical cutting instrument

Details Surgical cutting instrument Surgical cutting instrument

B - Operations, Transporting

23

D

B23D 71/00 (2006.01) A61B 17/32 (2006.01) B23D 73/00 (2006.01) B23P 15/40 (2006.01) C23F 1/04 (2006.01)

Patent

CA 2108720

The invention relates to a method for manufacturing a sheet metal tool that is not planar, and the tools made from the method. A sheet metal blank has a predetermined design of etching resistant material applied to one surface to define exposed areas separated by resist areas. A layer of etching resistant material is also applied to a second surface of the metal blank which overlies at least the exposed areas on the first surface of the metal blank. The exposed areas on the first surface are then subjected to etchant applied from the first surface of the metal blank through the exposed areas to form a tooth shape with a cutting edge. The formed cutting edge terminates in a sharpened surface in the second surface, protected by the layer of the etching resistant material on the second surface of the metal blank.

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