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Surgical cutting tool

  • US 5,895,403 A
  • Filed: 10/17/1997
  • Issued: 04/20/1999
  • Est. Priority Date: 10/17/1997
  • Status: Expired due to Fees
First Claim
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1. A surgical cutting tool with vacuum clearance capability, comprising a length of cylindrical surgical steel having an axial bore therethrough, a proximal end cutting tip terminating in a cutting edge, and a distal end, the axial bore having a first inside diameter at the cutting edge, a second inside diameter greater than the first inside diameter forming a first relief near the cutting edge, and a third inside diameter greater than the second inside diameter forming a second relief upstream of the first relief, whereby as vacuum is applied at the distal end of the tool tissue plugs cut at the cutting edge pass easily through the first and second reliefs to exit the axial bore.

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