| 主权项 |
1. An implantable device, comprising:
a barrel, the barrel having a first portion and a second portion; a first plate having multiple projections extending from one side of the first plate, the first plate configured to movably couple to the first portion of the barrel; and a second plate having multiple projections extending from one side of the second plate, the second plate configured to movably couple to the second portion of the barrel, wherein the barrel comprises a frame, a first endplate, a second endplate, a first actuator having a split ramp inserted into the frame, a second actuator having a split ramp inserted into the frame, and a central screw inserted through the first actuator and the second acuator, wherein the first actuator and the second actuator are configured to act on the first endplate and the second endplate in response to a rotation of the central screw, wherein the barrel is configured to transition from a collapsed form having a first height to an expanded form having a second height and wherein the second height is greater than the first height. |
