Shovel type right angle three-edged knife for removing protrude cervical vertebrae intervertebral discs
A technology of intervertebral disc herniation and right angle, which is applied in the field of medical devices, can solve problems such as difficulty in controlling the anteroposterior diameter of the cervical intervertebral disc, spinal nerve stimulation, and patient pain, so as to improve safety and efficacy, reduce stimulation, The effect of reducing drag
Inactive Publication Date: 2006-05-10
田其昌
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Benefits of technology
This inventor's new type of surgery tool called Shoveler was developed by researchers at University College London (UK). It consists of two parts - one part being pointed towards each other like an oar or fork while another part that fits into this space between them. These tools are designed to reduce friction during use compared to traditional instruments used for removing bone tissue from damaged nerves inside the body. They also have features such as easy adjustability over different angles without getting stuck due to excessive pressure applied against these points. Additionally they may include safety buttons placed near certain areas where there should only come out if needed. Overall, their technical benefits make safer and more effective procedures possible than current methods.
Problems solved by technology
The technical problem addressed in this patented method relates to improving surgery on cervix by reducing friction with gentle movement while also minimizing discomfort caused by sharp angles at the end of an instrument's blade.
Method used
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Embodiment 1
[0011] Example 1. A shovel-type right-angled three-edged knife for cervical discectomy. The head blade 1 is in the shape of a shovel-type right-angled three-edged blade. There is a long gap 4 on the back side of the blade 1. A safety button 2 that can be freely adjusted back and forth is installed in the gap 4 , the body 3 and the tail 5 are cylindrical. The present embodiment adopts chromium-containing stainless steel 3Cr13 to make, and the length of the knife is 260mm. The height of the two wings of the blade 1 is 6mm. The elongated gap 4 is 5mm wide and 20mm long.
Embodiment 2
[0012] Embodiment 2, the present embodiment adopts stainless steel 4Cr13 to make, and knife length is 300mm, and blade 1 two wing heights are 8mm, and other are the same as embodiment 1.
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Abstract
The invention relates to a shovel right-angle three-blade sword for cutting the cervical vertebra disc herniation, belonging to the medical treatment apparatus. Wherein, its head is in the shape of shovel right-angle three-blade, while the back of sword has a long space to mount the safety knob which can be adjusted from front to back freely, and the sword body and tail part are in cylinder shape. The invention is made from chromiunated stainless steel (3Cr13, 4Cr13). The length of sword is 260-300mm, the height of two swings of sword is 6-8mm, the long space is in 5mm wide and 20mm long while the distance from its front part to the sword is 12mm Compared to present obtuse angle three-surface sword, the invention has the advantages of fast feeding, non-resistance, and lower vibration. And it can accurately control the depth of feeding sword to reduce the effect on the spinal cord nerve, shorten the operation time and improve the safety and curative effect of operation.
Description
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