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PROSTHETIC APPLIANCE FOR REPLACING ONE OR MORE NATURAL VERTEBRAE

  • US 3,426,364 A
  • Filed: 08/25/1966
  • Issued: 02/11/1969
  • Est. Priority Date: 08/25/1966
  • Status: Expired due to Term
First Claim
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1. THE PROSTHETIC APPLIANCE WHICH COMPRISES:

  • AT LEAST THE BODY MEMBER SIZED FOR INSERTION INTO THE GAP LEFT IN THE SPINAL COLUMN OF A HIGHER VERTEBRATE FOLLOWING REMOVAL OF ONE OR MORE NATURAL VERTEBRAE THEREFROM, EACH OF SAID BODY MEMBERS HAVING AT LEAST ONE RELATIVELY FLAT SURFACE EXTENDING BETWEEN ITS ENDS THAT INCLUDES A LONGITUDINAL SUBSTANTIALLY SEMI-CYLINDRICAL TROUGH;

    GENERALLY Y-SHAPED ELEMENTS HAVING A STEM-PORTION MERGING AT ONE EXTREMITY INTO DIVERGENT LEG-PORTIONS THAT FASTEN ONTO THE FLATTENED SURFACES OF EACH OF THE BODY MEMBERS ASTRIDE THE TROUGH AND COOPERATE THEREWITH TO DEFINE A PASSAGE SIZED TO LOOSELY RECEIVE SAID VERTEBRATE'"'"''"'"'S SPINAL CORD;

    FIRST CONNECTING MEANS ATTACHED TO THE STEM-PORTION OF EACH Y-SHAPED ELEMENT LOCATED ADJACENT TO NATURAL VERTEBRA ADAPTED FOR ATTACHMENT TO THE NEURAL SPINE OF THE LATTER;

    AND, SECOND CONNECTING MEANS ATTACHED TO EACH BASE MEMBER LOCATED ADJACENT A NATURAL VERTEBRA ADAPTED FOR ATTACHMENT TO THE CENTRUM THEREOF, SAID FIRST AND SECOND CONNECTING MEANS COOPERATING WITH ONE ANOTHER TO HOLD SAID ADJACENT NATURAL VERTEBRA IN FIXED RELATION TO SAID APPLIANCE.

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