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A multi-unit adjustable intelligent intervertebral fusion device

An intervertebral cage, multi-unit technology, applied in the direction of spinal implants, etc., can solve problems such as stress concentration and curvature change, and achieve the effects of uniform force, reduced stress concentration, and good adjustment.

Active Publication Date: 2021-07-13
WEST CHINA HOSPITAL SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the above-mentioned shortcomings of the prior art, the present invention provides a multi-unit adjustable intelligent intervertebral fusion device, which can solve the above-mentioned problems encountered and can make up for the shortcomings of the current products on the market, making the intervertebral fusion device Fits perfectly with the upper and lower endplates, avoiding changes in curvature and excessive stress concentration

Method used

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  • A multi-unit adjustable intelligent intervertebral fusion device
  • A multi-unit adjustable intelligent intervertebral fusion device
  • A multi-unit adjustable intelligent intervertebral fusion device

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Embodiment Construction

[0038] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0039] Such as Figure 1 to Figure 6 As shown, the multi-unit adjustable intelligent intervertebral fusion device of this program includes a fixed plate 2, the upper end of the fixed plate 2 is a square structure, and the lower end of the fixed plate 2 is an arc-shaped structure. An adjustment unit, each adjustment unit includes two adjustment blocks 1, and the two adjustment blocks 1 are respectively arranged on both sides...

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Abstract

The invention discloses a multi-unit adjustable intelligent intervertebral fusion device, which comprises a fixed plate, the upper end of the fixed plate is a square structure, the lower end of the fixed plate is an arc-shaped structure, and several adjustment units are evenly arranged on the fixed plate , each adjustment unit includes two adjustment blocks, and the two adjustment blocks are set on both sides of the fixed plate; The edges fit together to form a whole. The present invention innovatively designs a plurality of adjustable units, and by adjusting the different telescopic heights of each adjustable unit to make them fit perfectly with the upper and lower endplates, it can better adjust the curvature of the cervical surgery segment and increase the internal The plant-endplate contact area reduces the gap between the implant and the endplate, thereby avoiding stress concentration and reducing complications such as screw loosening, bone resorption around the implant, and cage sinking.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a multi-unit adjustable intelligent intervertebral fusion device. Background technique [0002] With the acceleration of the aging population in my country and the changes in the production and lifestyle of modern society (mobile phones, TVs, computers, etc.), the incidence of cervical spondylosis is increasing year by year, which brings a heavy social and economic burden. Patients with cervical spondylosis who fail conservative treatment, seriously affect life and work, suffer unbearable pain, and cervical spondylotic myelopathy should actively undergo surgical treatment. Among them, the most classic method of cervical spine surgery is anterior cervical discectomy, decompression and fusion (ACDF). After the intraoperative discectomy and decompression are completed, the cervical curvature of the patient can be adjusted to a better or even normal state by using the cervic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/44
CPCA61F2/4465A61F2/447
Inventor 刘浩张珂瑞杨毅
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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