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Dynamic intervertebral spacer and method of use

  • US 5,865,848 A
  • Filed: 09/12/1997
  • Issued: 02/02/1999
  • Est. Priority Date: 09/12/1997
  • Status: Expired due to Term
First Claim
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1. A spinal fusion implant assembly for stabilizing vertebrae comprising:

  • a first component having a first vertebral contact surface, a pair of side portions extending upwards from said first surface, and a first end plate portion extending upwards from said first surface;

    a second component having a second vertebral contact surface, a pair of side portions extending downwards from said second surface, and a second end plate portion extending downwards from said second surface;

    each of said side portions having a high point and a low point on respective ends of the side portion, such that a sloped edge of each side portion is defined between the high point and the low point, and wherein the slope of the first side portions is complementary to the slope of the second side portions; and

    a translation mechanism for providing relative movement between the first and second components in a horizontal direction.

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