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Interbody spinal fusion implants

  • US 5,593,409 A
  • Filed: 02/17/1995
  • Issued: 01/14/1997
  • Est. Priority Date: 06/13/1988
  • Status: Expired due to Term
First Claim
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1. A partially cylindrical spinal fusion implant made of a material appropriate for human implantation, said implant comprising a cylinder having a longitudinal central axis and at least a first flat side parallel to said central axis.

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