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Helical osteosynthetic implant

  • US 5,908,422 A
  • Filed: 01/20/1998
  • Issued: 06/01/1999
  • Est. Priority Date: 01/13/1997
  • Status: Expired due to Term
First Claim
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1. A nail for setting a broken bone, the nail comprising:

  • a shaft defining a helical axis;

    a uniform pair of blades disposed on the shaft; and

    a tapered pair of blades disposed on the shaft such that each tapered blade is positioned between the uniform pair of blades, the tapered blades having a greatest width at a distal portion and a smallest width at a proximal portion, the uniform and tapered blades having a total helical twist of at least about 30°

    around the helical axis.

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