Patent · US Expired

Adjustable tool for cannulated fasteners

US7604643B2 · kind B2 · utility

54Cited by
103References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 6, 2004
Grant dateOct 20, 2009
Priority date
Expiry dateDec 9, 2024

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2090/062
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A tool is disclosed for use in forming holes in bone and for driving a cannulated fastener into the formed hole. The tool may having a cutting tip for drilling a hole into bone, and may have a shaft and sleeve for accepting the cannulated fastener and for driving it into the drilled hole. The tool may be adjustable to allow fasteners of different lengths to be accepted, while ensuring that a portion of the cutting tip protrudes beyond the end of the fastener. A multiple-screw tool is also disclosed that allows more than one cannulated fastener at a time to be stacked on the tool, thus speeding the installation process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.