System of the present invention provides a kind of intervertebral fixer,It include a plate body and an ontology,It ties up on the plate body and is provided with an at least bending part,The thickness of thickness system thinner what plate body of an at least bending part and the equal ears,Elastic its radian can be adjusted by the plate body that the bending part provides the intervertebral fixer,The ear and another ear allowed on the plate body can elasticity adjustment attach two body of cervical vertebra of what,Make the physiological status of the fully mated each sufferer cervical vertebra radian of the intervertebral fixer,Use solution commonly use intervertebral fixer operation Hou occur protrusion,The lock member for preventing locking what from commonly using on intervertebral fixer loosens,And many disadvantages of perplexing with inconvenience for causing sufferer that need to perform the operation again.本發明係提供一種椎間固定器，包括有一板體及一本體，係在該板體上設置有至少一彎折部，該至少一彎折部之厚度係略薄於該板體與該等耳部之厚度，藉由該彎折部提供該椎間固定器之板體可彈性調整其弧度，讓該板體上之耳部及另一耳部可彈性調整貼附於二頸椎體，使該椎間固定器完全配合每一病患頸椎弧度之生理狀態，藉以解決習用椎間固定器在手術後發生凸出、防止鎖固於習用椎間固定器上之鎖固元件鬆脫，及造成病患需再次手術之諸多困擾與不便等缺點。
