| 主权项 |
1. An allograft composite spacer, comprising:
a) an integral cortical component comprising:
i. first and second opposing walls, each wall having an upper surface, a lower surface, a first end portion and a second end portion andii. a strut extending from the first end portion of the first cortical wall to the first end portion of the second cortical wall, wherein the strut does not extend to either the upper surface or the lower surface, and b) a cancellous component having first and second lateral surfaces, an upper surface, a lower surface, a first end have a first end surface, a second end, and a recess in the first end surface extending from the first lateral surface to the second lateral surface,wherein the strut of the cortical components is received in the recess of the cancellous component. |
