Patent ID: 8221463

Claim:
A method, comprising: inserting a first implant member into a location of a body including a space between adjacent spinous processes from a first side of the adjacent spinous processes, the first implant member comprising first and second wings and a first spacer disposed between the first and second wings, the first and second wings each having a greater height than the first spacer, wherein the height is measured in the direction from an inferior surface of one of the adjacent spinous processes toward a superior surface of the other of the adjacent spinous processes; inserting a second implant member into the body from the first side after the first implant member, the second implant member comprising third and fourth wings and a second spacer disposed between the third and fourth wings, the third and fourth wings each having a greater height than the second spacer, wherein the height is measured in the direction from the inferior surface of one of the adjacent spinous processes toward the superior surface of the other of the adjacent spinous processes; and sliding the second implant member along the first implant member until a central portion of the second implant member is substantially aligned with a central portion of the first implant member.