Patent ID: 7387742
Filing Date: 2008-06-17
Classification: A61B,A61F

Abstract:
1. A method for manufacturing at least one cutting device from a wafer of crystalline material, comprising: machining a first blade profile in the wafer of crystalline material on its first side, wherein the first blade profile comprises a first facet that comprises a cutting edge of the at least one cutting device, and the first blade profile further comprises a second facet adjacent to the first facet; machining a second blade profile in the wafer of crystalline material on its second side, wherein the second blade profile comprises a third facet that comprises, along with the first facet, the cutting edge of the at least one cutting device, and the second blade profile further comprises a fourth facet adjacent to the third facet; and etching the wafer of crystalline material to form the at least one cutting device; wherein the etching comprises isotropically etching at least the first side of the crystalline material to form the at least one cutting device comprising at least a portion of the at least first blade profile.