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Spinal fixation

  • US 4,763,644 A
  • Filed: 03/25/1986
  • Issued: 08/16/1988
  • Est. Priority Date: 02/28/1984
  • Status: Expired due to Term
First Claim
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1. A device for use in spinal fixation, comprising:

  • an elongate member, anchoring means for securing said device to a vertebra, and fixing means whereby said device is readily releasably fixed to said elongate member, said fixing means comprising first and second clamping elements which bear against respective transversely opposite sides of said elongate member and thereby clamp the elongate member between them, and readily releasable means which urges the clamping elements towards each other, said first clamping element being formed with a channel-shaped slot for receiving said elongate member, said slot having a mouth, said second clamping element projecting slightly out of the mouth of the slot in an assembled condition of the device, and said readily releasable means comprising a nut screwed onto said first clamping element to press said second clamping element against said elongate member.

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