Surgical rasp and method of manufacture

申请公布号：US4625725(A)

申请号：US19830527935

申请日期：1983.08.30

申请公布日期：1986.12.02

申请人：

SNOWDEN-PENCER, INC.

发明人：DAVISON, JOHN A.;KELLAR, ROBERT J.

分类号：A61B17/56;A61B17/16;(IPC1-7):A61B17/22

主分类号：A61B17/56

摘要：A surgical rasp for scraping and reshaping bones, particularly useful in cosmetic surgery, comprises a handle and a rasp surfaced insert made from a tungsten carbide attached thereto. The tooth pattern of the rasped surface is created by cutting a plurality of substantially parallel grooves into the insert and subsequently cross cutting a plurality of substantially parallel grooves thereto. Further cross-cuts can be made depending on the particular tooth pattern desired. In a preferred embodiment, the teeth so formed have a trapezoidal-shaped face and a trapezoidal-shaped back which are coextensively integral to create a cutting edge. In an alternate preferred embodiment, the teeth so formed are shaped as three-sided truncated pyramids.

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