A bendable radiofrequency plasma surgical electrode for treating discogenic low back pain

Abstract

The invention discloses a bendable plasma surgical electrode for treating intervertebral disc protrusion, which relates to the technical field of medical instruments, comprising a sub-needle, an insulating head, a loop tube, a relay cannula, a four-lumen tube, an outer cannula, a cannula fixing frame, a handle mechanism, a housing and a cable, wherein the sub-needle is embedded in the insulating head, the insulating head is embedded in the loop tube, and the sub-needle and the loop tube form a positive and negative electrode loop on the head through an electrically conductive liquid and are isolated by the insulating head. The invention relates to a flexible plasma surgical electrode for treating intervertebral disc protrusion, which has multiple therapeutic functions, has small postoperative trauma, simple operation and high safety, can precisely perform ablation and decompression, solves the shortcomings of the existing therapeutic methods, and meets the treatment needs of a patientgroup.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a flexible radio-frequency plasma surgical electrode for treating discogenic low back pain. Background technique [0002] Such as figure 1 and figure 2 As shown, the intervertebral disc is divided into the nucleus pulposus in the central part, which is rich in elastic jelly-like substance; the fibrous ring in the peripheral part is arranged in concentric circles by multi-layered fibrocartilage rings. The annulus fibrosus of the neck and waist is thick in the front and thin in the back, and the nucleus pulposus tends to protrude posterolaterally, protrude into the spinal canal or intervertebral foramen, and compress the spinal cord or spinal nerves to cause intervertebral disc herniation. [0003] Such as image 3 and Figure 4 As shown, lumbar disc herniation is one of the more common diseases, mainly because each part of the lumbar intervertebral disc (nucleus pulpo...

AI Technical Summary

Problems solved by technology

The two surgical methods use mechanical means to treat patients, which is complicated to operate and requires high requirements for doctors; while removing the nucleus pulposus tissue, it will damage the surrounding tissues and affect the peripheral nervous system of the intervertebral disc, which may cause complications; the operation time is long, and the patient needs to fully Anesthesia, there is a certain risk; postoperative trauma is large, postoperative scars, slow recovery, long hospital stay, high cost

[0005] The operation of the traditional radio frequency target is cumbersome. After the puncture is successful, it is necessary to start the test from 60 degrees to 95 degrees, and then do it for 1 minute each time, five times in a row. Large invalid, poor long-term efficacy

In addition, the radio frequency is a unipolar output, and the negative plate must pass through the human body circuit to play the role of heat coagulation, which increases the risk of electric shock and electric burn during treatment

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