Individualized guiding template assisting in setting pedicle screw into small incision and manufacturing method of individualized guiding template

A technology of pedicle screw and navigation template, which is applied to the field of medical equipment and pedicle screw placement, can solve the problems of multiple fluoroscopy, high price, poor safety, etc., and achieves the effect of ensuring accuracy and reducing radiation exposure.

Inactive Publication Date: 2015-04-29
JIANGSU PROVINCE HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used pedicle screw technology mainly includes manual screw placement, C-arm machine fluoroscopy screw placement, CT na

Method used

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  • Individualized guiding template assisting in setting pedicle screw into small incision and manufacturing method of individualized guiding template
  • Individualized guiding template assisting in setting pedicle screw into small incision and manufacturing method of individualized guiding template
  • Individualized guiding template assisting in setting pedicle screw into small incision and manufacturing method of individualized guiding template

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Experimental program
Comparison scheme
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Embodiment 1

[0025] Embodiment 1: In this embodiment, the technical solution of the present invention is specifically described by using a navigation template for inserting pedicle screws through personalized auxiliary small incisions for L3 and L4 double vertebral segments.

[0026] The navigation template for placing pedicle screws in the personalized auxiliary small incision includes two sets of screw-setting components, each set of screw-setting components includes two bottom plates 1 arranged on both sides of the vertebral segment to be screwed, fixed on the The two nail-introducing guide tubes 2 on the base plate 1, and the transverse arc-shaped connecting rods 3 respectively fixed on the two ends of the nail-introducing guide tubes 2, the base plate 1 is reversed according to the spinal anatomy around the position of the patient's nail-input point. Generated, the nail entry catheter 2 is connected to the base plate 1 according to the calculated accurate horizontal plane angle and sag...

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PUM

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Abstract

The invention discloses an individualized guiding template assisting in setting a pedicle screw into a small incision. The individualized guiding plate comprises at least one group of pedicle screw setting components, each pedicle screw setting component comprises two bottom plates arranged on two sides of a spindle section to be set with a screw symmetrically and two screw feed catheters fixed on the bottom plates respectively, the structures of the bottom plates are matched with the spindle anatomical structure around a point to set the screw, the screw feed catheters are determined by screw setting channels through reasonable calculation and connected on the bottom plates. The bottom plates are connected with the screw feed catheters determined by the screw setting channels through reasonable calculation, accuracy in screw setting and safety in operation can be guaranteed without X-ray examination, and ray exposure of medical staff and patients is reduced.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to the field of pedicle screw placement. Background technique [0002] Pedicle screw technology is widely used in spinal trauma, degeneration, tumor and other diseases, and can achieve good fixation effect. At present, the commonly used pedicle screw technology mainly includes manual screw placement, C-arm machine fluoroscopy screw placement, CT navigation-assisted screw placement, etc. These screw placement methods have disadvantages such as poor safety, more fluoroscopy, and high price. In recent years, the small-incision pedicle screw technique has become more and more popular among doctors and patients because of its advantages of less trauma, less bleeding, and faster recovery. However, it puts forward higher technical requirements for the operator. To ensure the safe and accurate completion of small incision surgery, the surgical process must be completed under C-arm machin...

Claims

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Application Information

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IPC IPC(8): A61B17/90
CPCA61B17/8897A61B17/92A61B2017/00526A61B2017/564A61B17/90
Inventor 曹晓建杨雷耿建平李海俊唐健
Owner JIANGSU PROVINCE HOSPITAL
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