total spondylectomy disc cutter

Abstract

The invention discloses a total spondylectomy intercalated disc cutter, and relates to a surgical instrument for use in posterior spinal total spondylectomy. The total spondylectomy intercalated disc cutter is characterized in that a holding handle is arranged on the lower part behind a strip-shaped bracket; a blocking hook which is bent upwards is arranged at the front end of the bracket; a knife is arranged on the bracket; a tool bit at the front end of the knife can move forward and backward on the bracket, and the cutting edge of the tool bit corresponds to the blocking hook; when the blocking hook is pressed against one side of an intervertebral disc from the front side, the tool bit of the knife can be used for finishing cutting of the same side of the intervertebral disc forwards; when the blocking hook is pressed against the other opposite side of the intervertebral disc from the front side, the tool bit of the knife can be used for finishing cutting of the other opposite side on the same cutting plane of the intervertebral disc forwards, thereby finishing cutting of the whole intervertebral disc. By adopting the total spondylectomy intercalated disc cutter, possible surgical risk caused by the conventional instrument can be avoided, and the surgery time is shortened.

Description

technical field [0001] The invention relates to an orthopedic surgical instrument, in particular to a surgical instrument for posterior total spondylectomy of the spine. Background technique [0002] Primary spinal tumors can be single or continuous, involving vertebral bodies, appendages, and even surrounding soft tissues, with or without distant or other organ metastasis. In order to improve survival and improve symptoms, surgery is often one of the best options. However, because there are large blood vessels in front of the spine and the spinal cord behind the vertebral body, any injury to any part may have serious consequences. Resection of the spinal lesion requires a complete extracapsular resection of the tumor to achieve total resection under the naked eye. This poses a huge challenge to spine surgeons. One of the difficulties in the operation is total spondylectomy and discectomy. The operation requires the assistance of a variety of instruments, and the movements...

AI Technical Summary

Problems solved by technology

The above operations have the disadvantages of prolonging the operation time and increasing the amount of bleeding.

[0004] First of all, when the anterior and posterior vertebral bodies are decompressed and released, the damage to the surrounding tissue will increase the bleeding, so the operation is slow during the operation, prolonging the operation time and increasing the risk of infection;

[0005] Secondly, the use of traditional instruments still has the risk of vascular injury and spinal cord injury. During the operation, due to insufficient protection and uneven force during operation, blood vessels and spinal cord may be accidentally injured, resulting in serious consequences.

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