Patent ID: 9554831
Date: 2017-01-31
CPC Classifications: A61B

Claim:
1. A spinal implant, comprising: a body extending between a proximal end and a distal end, the body including an expandable intermediate portion disposed between the proximal end and the distal end, the body comprising a shape memory material, the proximal end defining a notch configured for disposal in a first vertebra, and comprising a first mating part, the distal end comprising a protrusion configured for disposal in a second vertebra, and a second mating part, wherein the proximal and distal ends are movable relative to one another between an unexpanded position in which the spinal implant is configured to be inserted between lamina and an expanded position in which the spinal implant is configured to be disposed between the lamina, and the first mating part is configured to engage the second mating part in the unexpanded position, and the spinal implant is configured to move in the expanded position when the proximal end and the distal end are rotated relatively to one another to disengage the first mating part with the second mating part.