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Surgical burs with geometries having non-drifting and soft tissue protective characteristics
专利权人:
Inc.;Medtronic PS Medical
发明人:
John W. Kulas,Donald E. Stearns
申请号:
US13944650
公开号:
US09883873B2
申请日:
2013.07.17
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A surgical bur includes a body and a drill point. The body includes flutes and lands. Each of the flutes includes a cutting edge, a rake face, and a clearance surface. Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces. Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
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