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Field atlas pedicle screw guiding apparatus

A technology of atlas pedicles and guides, applied in the field of medical devices, to achieve the effects of convenient operation, improved safety, and safe and reliable use

Active Publication Date: 2017-12-22
SECOND AFFILIATED HOSPITAL SECOND MILITARY MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Field atlas pedicle screw guiding apparatus
  • Field atlas pedicle screw guiding apparatus
  • Field atlas pedicle screw guiding apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Please refer to attached figure 1 , attached figure 2 , attached image 3 , with figure 1 It is a schematic diagram of a field atlas pedicle screw guide of this embodiment, with figure 2 It is a schematic diagram of the main casing of a field atlas pedicle screw guide in this embodiment, with image 3 It is a schematic top view of a field atlas pedicle screw guide of this embodiment.

[0034] The field atlas pedicle screw guide is composed of a main body casing 1 and a positioning bracket 2 .

[0035] The main body sleeve 1 is a cylinder with rounded corners at the front end. The main body sleeve 1 is provided with a central hole 11 passing through the sleeve. The front end of the main body sleeve 1 is provided with a circular drill hole 12. The main body The pipe surface of the casing 1 is fixedly connected with the connecting rod 21 on the positioning bracket 2 .

[0036] The positioning bracket 2 is composed of a connecting rod 21 , a supporting rod 22 and a ...

Embodiment 2

[0042] Please refer to attached figure 1 , attached figure 2 , attached image 3 , attached Figure 4 , with figure 1 It is a schematic diagram of a field atlas pedicle screw guide of this embodiment, with figure 2 It is a schematic diagram of the main casing of a field atlas pedicle screw guide in this embodiment, with image 3 It is a schematic top view of a field atlas pedicle screw guide of this embodiment, with Figure 4 It is a schematic diagram of the combination of a field atlas pedicle screw guide and atlas.

[0043] The field atlas pedicle screw guide is composed of a main body casing 1 and a positioning bracket 2 .

[0044] During the use of the field atlas pedicle screw guide, each atlas 3 will have a positioning groove 4, so the positioning groove 4 is used as a fixed reference point, and the position of the screw is calculated The distance from the positioning groove 4 is the distance between the positioning rod 23 and the central hole 11 . Therefore, w...

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Abstract

The invention relates to a field atlas pedicle screw guiding apparatus. The field atlas pedicle screw guiding apparatus is composed of a main body sleeve and a locating bracket. The main body sleeve is represented as a cylinder with front end rounded; a central hole, which is formed in the sleeve in a through manner, is formed in the main body sleeve; a round drilled hole is formed in the front end of the main body sleeve; and a connecting rod ofthe locating bracket is fixedly connected to the sleeve surface of the main body sleeve. The locating bracket is composed of the connecting rod, a supporting rod and a locating rod. The connecting rod is a cylindrical rod; the head of the connecting rod is fixedly connected to the sleeve surface of the main body sleeve, and the tail of the connecting rod is connected to the upper end of the supporting rod. The supporting rod is a cylindrical rod; and the lower end of the supporting rod is connected to the tail of the locating rod. The locating rod is a cylindrical rod; and a locating point is arranged at the front end of the locating rod. The field atlas pedicle screw guiding apparatus has the advantages of being convenient to operate and safe and reliable to use; the implantation of a fixing piece is more precise, so that the error rate of an operation is reduced, the times of inserting a needle are reduced and X ray radiation is relieved; therefore, pain in a patient is reduced, the operative time is shortened and safety is enhanced.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a field atlas pedicle screw guide. Background technique [0002] Since Boucher successfully fixed the lumbosacral joint with long screws through the lamina and pedicle to the vertebral body in 1959, transpedicular spinal fixation has been widely used in the world and has become the most commonly used internal fixation in spinal surgery. method. In recent years, with the continuous deepening of people's understanding of this technology, the scope of application has gradually expanded, and more and more pedicle screw technology has been used in the treatment of thoracic spine and even cervical spine diseases. The technical key of transpedicular internal fixation is to master the screw entry point and angle. Due to the complex anatomical structure of the spine, incorrect screw insertion can often lead to serious complications, such as rupture or penetration of the pedi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70A61B17/90
CPCA61B17/70A61B17/7089A61B17/88A61B2017/564A61B17/90
Inventor 孙璟川史建刚韩郸
Owner SECOND AFFILIATED HOSPITAL SECOND MILITARY MEDICAL UNIV