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Cranial drill stop

  • US 5,382,250 A
  • Filed: 03/08/1994
  • Issued: 01/17/1995
  • Est. Priority Date: 03/08/1994
  • Status: Expired due to Term
First Claim
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1. A cranial drill stop comprising a plurality of spacers, each of said spacers having a body having a first end and a second end, said first end comprising a cylindrical portion having a bore extending therethrough, said second end comprising a flat disk adjacent said cylindrical portion and having a plurality of tabs affixed thereto and extending perpendicular from the face of said disk and arrange in a circumferential pattern around a bore centrally located in said disk and axially aligned with the bore in said cylindrical portion, the periphery of said disk defining a gripping flange having a diameter larger than the diameter of said cylindrical portion, each of said tabs having an indent positioned on an outer surface, a bead positioned around the interior diameter of said cylindrical portion, said indents in said tabs adapted to engage and retain a bead of another spacer when the spacers are fitted together to define a drill stop.

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