Spinal implant for insertion between vertebral bodies
First Claim
Patent Images
1. A device for insertion between two boney structures for maintaining spacing and facilitating bone fusion comprising:
- an elongated body having an outer surface extending along a longitudinal axis between a distal end and a proximal end;
a helical thread pattern formed around at least a portion of said elongated body and defining a forward insertion rotation direction and a backward unscrewing rotation direction; and
means for impaling adjacent bone structures to resist backward rotation of said elongated body once it is inserted into bone.
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Abstract
An artificial spinal implant is disclosed for insertion between two adjacent vertebrae. Instrumentation and procedure is also disclosed.
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Citations
1 Claim
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1. A device for insertion between two boney structures for maintaining spacing and facilitating bone fusion comprising:
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an elongated body having an outer surface extending along a longitudinal axis between a distal end and a proximal end;
a helical thread pattern formed around at least a portion of said elongated body and defining a forward insertion rotation direction and a backward unscrewing rotation direction; and
means for impaling adjacent bone structures to resist backward rotation of said elongated body once it is inserted into bone.
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Specification