Trans-zygapophyseal and costotransverse joint approach circumspinal decompression method and bone knife for surgery

Abstract

The invention discloses a trans-zygapophyseal and costotransverse joint approach circumspinal decompression method and a bone knife for surgery. The bone knife comprises a knife handle and a tool bit, wherein the tool bit is connected to the knife handle and is shaped like a bent arc; a guide wing of which the radian is consistent to the radian of the tool bit is arranged on the top of the tool bit; a blade edge is arranged in front of the guide wing. According to the trans-zygapophyseal and costotransverse joint approach circumspinal decompression and the bone knife for surgery which are provided by the invention, due to the fact that the bent arc of the tool bit is identical to the physiological features of a spinal canal, the expandability of a surgical incision is effectively increased, when the bone knife is used for surgery, the bone knife can extend to the place in front of a spinal cord to operate from the intervertebral place on one side nearby the spinal cord, and a compression material can be easily removed; the guide wing plays a guiding function during blind operation; the safety and the success rate can be effectively improved.

Description

technical field [0001] The invention belongs to the field of orthopedic medical devices, and in particular relates to a spinal cord decompression method and an osteotome for surgery via a transarticular process and costotransversal joint approach. Background technique [0002] Spinal cord injury has a high disability rate and poor prognosis, which causes great suffering to patients and a heavy burden to the society. However, there is no effective treatment at present. [0003] The anatomical characteristics of the thoracic spine determine that the thoracic spine is the segment most prone to iatrogenic spinal cord injury, while the pathophysiological characteristics of thoracic spinal stenosis make decompressive surgery for anterior compression thoracic spinal stenosis an iatrogenic High incidence of spinal cord injury surgery. Practice has proved that all kinds of mainstream decompression surgery methods have inherent defects or a large risk of iatrogenic spinal cord injury...

AI Technical Summary

Problems solved by technology

In addition to the subjective factors of doctors, the inherent limitations of traditional surgical methods are also an important factor that makes iatrogenic injuries unavoidable.

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