Cervical vertebra anterior zero incisura intervertebral fusion device

Abstract

The invention relates to a cervical vertebra anterior zero incisura intervertebral fusion device and relates to a cervical vertebra intervertebral disc implantation material. The cervical vertebra anterior zero incisura intervertebral fusion device is characterized in that a slab-shaped fusion cage is arranged, a cut-through fusion chamber is arranged in the middle of the fusion cage, an upper centrum fixing hole inclining upwards and a lower centrum fixing hole inclining downwards are formed in the front end face of the fusion cage, a fastening screw is arranged inside the upper centrum fixing hole and the lower centrum fixing hole respectively, each fastening screw comprises a screw body, a connecting neck and a screw cap, the lower side of each screw cap adopts an arc surface, the upper centrum fixing hole and the lower centrum fixing hole comprises a screw cap embedding hole and a connecting neck hole which are matched with the fastening screws respectively. According to the invention, the cervical vertebra anterior zero incisura intervertebral fusion device is simple in structure and convenient to use; the front end face of the fusion cage is flush with the front side of a cervical vertebra and the incisura is low, which is beneficial to concrescence; the patients feel comfortable and safe and can live a normal life after operations.

Description

technical field [0001] The invention relates to a cervical intervertebral disc implant, in detail, it is an anterior cervical zero-notch intervertebral fusion device with simple structure, firm positioning, comfortable and safe neck for postoperative patients, and no influence on normal life. Background technique [0002] We know that anterior cervical intervertebral resection, decompression and fusion is a routine operation in cervical spine surgery. Because of its small surgical trauma, high safety and good effect, it has become a mature operation for the treatment of cervical spondylosis. The existing intervertebral fusion device used for this operation includes a fusion cage and an anterior cervical plate. There are non-reverse teeth on the side and the lower side, and screw holes are set on the anterior cervical plate. During the operation, the fusion cage was implanted in the intervertebral space, and the anterior cervical plate was fixed on the upper and lower verteb...

AI Technical Summary

Problems solved by technology

The anterior cervical steel plate of this intervertebral fusion device is fixed in front of the vertebral body and behind the esophagus. Because the incision of the steel plate is likely to cause varying degrees of compression and impact on the esophagus, some patients have dysphagia after surgery, especially multi-segmental The immobilization effect is more obvious, the mild one affects the normal life of the patient, and the severe one is complicated by esophageal fistula and even leads to death

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