Patent ID: 7635377

Claim:
A method, comprising: accessing a first spinous process and a second spinous process from a first side, the first spinous process and the second spinous process being adjacent spinous processes; inserting a first arm of an implant between the first spinous process and the second spinous process from the first side to a second side of the adjacent spinous processes opposite the first side, the implant having a central portion, a second arm, a third arm and a fourth arm, the first arm and the third arm being on a first side of the central portion, the second arm and the fourth arm being on a second side of the central portion opposite the first side of the central portion; and inserting the third arm between the first spinous process and the second spinous process from the first side to the second side of the adjacent spinous processes such that the first spinous process is positioned between the first arm and the second arm, the second spinous process is positioned between the third arm and the fourth arm and the central portion is positioned between the adjacent spinous processes; wherein the inserting the third arm is performed after the inserting the first arm.