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Navigation template for spine pedicle screw placement

A technology of pedicle screw and navigation template, applied in the field of medical devices, can solve the problems that the navigation template does not fit the spine well, the navigation template does not make good use of the spinal pedicle, etc., so as to improve the operation efficiency and success rate, improve the The effect of nailing efficiency and high stability

Pending Publication Date: 2020-07-17
无锡科恩智造科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The navigation template used in spinal pedicle screw fixation in the prior art mainly does not make good use of the structural characteristics of the spinal pedicle, spinous process markers, etc., so that the navigation template does not fit the spine enough, so it cannot be quickly placed in a suitable place. Position, accurate nail hole and nail placement

Method used

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  • Navigation template for spine pedicle screw placement

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Embodiment Construction

[0018] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the described embodiments are only used to illustrate the present invention but not to limit the protection scope of the present invention. In addition, it should be understood that after reading the content of the present invention, those skilled in the art can make various simple equivalent changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims of the present application.

[0019] Such as figure 1 As shown, a navigation template for spinal pedicle screw placement includes a navigation template body 1 and two guide posts 4 arranged on the navigation template body 1, and the inner surface of the navigation template body 1 has a The superimposed three-dimensional curved surface 2, the inner surface is the side that is in contact with the spine, t...

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Abstract

A navigation template for spine pedicle screw placement includes a navigation template body and two guide columns arranged on the navigation template body, the inner side surface of the navigation template body has a three-dimensional curved surface that coincides with a use position, and the middle part of the three-dimensional curved surface has a curved surface feature that coincides with a spinous process bone marker of the use position; the two guide columns are arranged on both sides of the navigation template body, and a through hole is arranged in each guide column. The navigation template for the spine pedicle screw placement provided by the invention makes full use of the structural characteristics of a vertebral pedicle where a screw is placed and the spinous process marker, a 3D printing technology is also used to prepare the navigation template which fits with a surgical part and can be quickly placed in the surgical part, so that the accurate and fast screw placement canbe realized.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a navigation template for spinal pedicle screw placement. Background technique [0002] When diseases such as scoliosis, deformity, and spondylolisthesis reduction occur in the human spine, surgical treatment using spinal rod fixation is a common and effective means. Spinal screw and rod fixation, that is, spinal pedicle screw fixation, requires accurate placement of screw holes and screws at the appropriate position of the spinal pedicle. The existing insertion methods are all manual operations based on the experience of doctors. Insertion, such an operation method is likely to cause deviation of the insertion hole position due to human factors, deviation of the insertion position of the pedicle screw, and the phenomenon that the screw cannot be inserted if the deformity is serious, which will affect the treatment time and treatment effect. The main reason is that the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/90B29C64/00B33Y80/00
CPCA61B17/88B29C64/00B33Y80/00A61B2017/564A61B17/90
Inventor 张生平苏喜红
Owner 无锡科恩智造科技有限公司
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