Fusion cage and clamping device thereof

Abstract

Disclosed are a fusion cage for a spinal surgery and a clamping device thereof. The fusion cage comprises a fusion cage body () and a triangular screw plate (). A limiting groove () fit with the clamping device is provided at a rear end surface of the fusion cage body (), the fusion cage body () is hinged with the screw plate (), and each of three corners of the screw plate () is provided with a screw hole (). The clamping device comprises two clamping rods () which are fit with each other, and a front end of each clamping rod () is provided with a clamping head (), wherein each of face-to-face sides of the clamping heads () is provided with a limiting protrusion (), a front end of each clamping head () is capable of being inserted into the limiting groove () of the fusion cage body (), and the limiting protrusion () is capable of being clamped at a front side surface of the screw plate (). The fusion cage and the clamping device can easily fit with each other and are convenient to use, so as to enable the surgical operation to be more convenient, accurate and safe.