Device and method for perforating a dense bone layer
AssigneeBosonic AG
InventorsJörg Mayer, Andrè Schwery, Loïc Sottas, Dominique Neuhaus
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Abstract
A device for cutting bone tissue and, more particularly, a sonotrode suitable for use with an ultrasonic surgical instrument. The sonotrode has a head and a distal end piece, the distal end piece being equipped as a rectangular blade for cutting bones using mechanical vibration. The sonotrode has at least one structural element and the structural element is selected from the group including: a support structure, a lateral depression on each side, an increased width of the blade together with a slit at the distal end of the blade, or at least one lateral rib.
Claims30
A sonotrode for an ultrasonic surgical instrument having a head and a distal end piece, the distal end piece being a blade for cutting bones using mechanical vibration, wherein the blade is flat and extends in a plane defined by the blade, wherein a width of the blade increases toward a distal end of the blade, and wherein the distal end of the blade is arcuate and the blade has exactly one slit, and wherein the slit is at the distal end of the blade and separates the blade into first and second distal blade portions, and wherein a width of the slit increases toward a distal end of the slit and the arcuate distal end of the blade such that a width of each of the first and second distal blade portions decreases toward the arcuate distal end of the blade.
Dependencies are inferred from the claim text.