Spine fixing system

A fixation system and spine technology, applied in the field of medical devices, can solve problems such as easy loosening of screws, achieve the effect of strengthening bone anchor links, ensuring stability, and reducing foreign body sensation

Inactive Publication Date: 2014-09-17
姜永庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a spinal fixation system, which aims to solve the problem that the implanted screws are easy to loosen under special circumstances in the existing spinal internal fixation

Method used

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] figure 1 The structure of the spinal fixation system of the present invention is shown, as shown in the figure, the present invention is realized in this way, a kind of spinal fixation system comprises a fixed plate 1, an adjustment ring 2, a screw 3, and a connecting shaft 4; the fixed plate 1 is several pieces, and the fixed plates 1 are connected by connecting shafts 4 installed at their ends. The two sides of the fixed plate 1 have mounting holes that can cooperate with the screws 3, and the mounting holes are installed There is an adjusting ring 2, and the said screw 3 is installed in...

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Abstract

The invention discloses a spine fixing system, which comprises fixing plates, regulating rings, screws and connecting shafts, wherein a plurality of fixing plates are arranged, and are connected with one another through the connecting shafts arranged on the end parts of the fixing plates, mounting holes which can be matched with the screws are formed in two sides of the fixing plates, the regulating rings are arranged in the mounting holes, and the screws are assembled with the mounting holes in a matched manner. According to the spine fixing system, the screws are arranged on the fixing plates, and the angles of the screws can be regulated, so that firm bone anchor connection can be realized, the stability of the whole spine can be ensured, and foreign body sensation of patients can be reduced through regulating the mounting angles of the screws by the regulating rings.

Description

technical field [0001] The invention belongs to the field of medical instruments, in particular to a spinal fixation system. Background technique [0002] The application of spinal internal fixation has a history of nearly 100 years. Internal fixation is mainly the operation of using metal screws, steel plates, intramedullary nails, steel wires or bone plates to directly connect and fix broken bones inside or outside the broken bone. It is mostly used in open reduction and osteotomy of fractures to maintain the reduction of the broken end. [0003] In the existing internal fixation, the implanted screws can usually obtain strong bone anchoring. However, in some special cases, such as poor bone density and relatively loose bone, the holding force is relatively small. The implanted screws are easy to loosen and cannot achieve solid bone anchoring, which will endanger the stability of the entire internal fixation structure and even affect the final treatment effect. Contents...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70
CPCA61B17/7059
Inventor 姜永庆
Owner 姜永庆
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