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Tapping type zero-incisure cervical fusion cage

An intervertebral fusion device and zero-notch technology, applied in the direction of fixators, internal fixators, internal bone synthesis, etc., can solve problems such as dysphagia, achieve the effects of reducing dysphagia, avoiding stimulation, and less trauma

Pending Publication Date: 2019-10-11
高延征
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, postoperative patients often have dysphagia, foreign body sensation in the neck and other discomfort symptoms, and the incidence rate is as high as 79% in the early postoperative period.

Method used

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  • Tapping type zero-incisure cervical fusion cage
  • Tapping type zero-incisure cervical fusion cage
  • Tapping type zero-incisure cervical fusion cage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] Such as Figure 1-6 As shown, a self-tapping zero-profile cervical intervertebral fusion device includes a supporter part 1 and a fixing screw 2. The whole of the supporter part 1 is a conical structure, and the side wall of the supporter part 1 Self-tapping thread 8 is provided, bone grafting groove 10 and fixing screw 2 are arranged on the supporter part 1, described bone grafting groove 10 is located at the top center of the supporter part 1, and the fixing screw 2 includes a tail cap 11, a body 12 and a head 13, the tail cap 11 is provided with a hexagonal prism groove 14, the body 12 is provided with fixing screw threads, and the head 13 is conical, The bottom end of the round platform is provided with an inclined screw hole 6, and the fixed screw 2 is designed with a countersunk head. The fixed screw 2 is installed in the inclined screw hole 6, and the fixed screw 2 is provided with two , the inclined screw holes 6 are provided with two corresponding to the fixin...

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PUM

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Abstract

The invention discloses a tapping type zero-incisure cervical fusion cage which comprises a supporter part and a fixing screw. The whole supporter part is of a circular-truncated-cone-shaped structure. A tapping type thread is formed in the side face wall of the supporter part. The supporter part is provided with a bone grafting groove and the fixing screw. The tapping type zero-incisure cervicalfusion cage has a good self-stabilizing structure, the auxiliary fixing of an anterior titanium plate is avoided, the influences on cervical soft tissue are low, and the tapping type zero-incisure cervical fusion cage has the advantages of being easy to assemble, convenient to implant, capable of forming a small wound, low in postoperative complication occurrence rate and the like.

Description

technical field [0001] The invention belongs to the technical field of medical prosthesis manufacturing, in particular to a self-tapping zero-profile cervical intervertebral fusion device. Background technique [0002] With the transformation of human life and work style, the incidence of cervical spondylosis is increasing year by year, and it has become a common and frequently-occurring disease that endangers human health. The disease often causes dizziness, numbness of limbs, weakness, nausea and other uncomfortable symptoms, and severe cases can lead to high paraplegia, which brings a heavy economic burden to society and families. [0003] The above-mentioned diseases often require surgical treatment when they develop to a certain stage. At present, the classic surgical methods include anterior cervical discectomy and fusion (ACDF), anterior cervical subtotal corpectomy and fusion (anterior cervical corpectomy and fusion, ACCF), and posterior cervical spinal canal expans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44A61B17/70
CPCA61F2/44A61B17/70A61B2017/7073
Inventor 高延征刘俭涛吕东波余正红高坤
Owner 高延征
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