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Spinal locking sleeve assembly

  • US 5,201,734 A
  • Filed: 05/14/1991
  • Issued: 04/13/1993
  • Est. Priority Date: 12/21/1988
  • Status: Expired due to Term
First Claim
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1. A spinal locking sleeve assembly and an elongated spinal rod and another structure for use in a spinal implant system, wherein said assembly interconnects the elongated rod with the structure, wherein said structure has a tapered passage therethrough and a sidewall adjacent to a terminus of said passage, said assembly comprising:

  • a) an elongated sleeve having a continuous bore therethrough, said sleeve having a first end with a tapered outer surface and ab) at least one split in said sleeve extending into at least a portion of each of said first and second ends thereof;

    c) a lock nut having an internal passageway with threads complementary to the threads of said second end;

    d) said bore being sized to slidably receive said rod therethrough;

    e) said tapered outer surface of said sleeve being insertable into said tapered passage of said structure with said rod in said bore, to form an interference fit between the two tapered surfaces, and wherein said passage includes an open back wherein the open back has a width greater than the diameter of said elongated spinal rod.

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