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Fixation hooks for the correction of spinal deformities

A spinal deformity and fixation hook technology, applied in the field of fixation hooks, can solve the problem of inconvenient operation for doctors and achieve the effect of convenient connection

Inactive Publication Date: 2011-12-07
于凤章
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the position where the upper support hook supports the ribs is located at the position of the strut, which is not convenient for the doctor to operate during the operation

Method used

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  • Fixation hooks for the correction of spinal deformities
  • Fixation hooks for the correction of spinal deformities
  • Fixation hooks for the correction of spinal deformities

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Such as figure 1 As shown, according to the fixation hook used for correcting spinal deformity in the prior art, the support hook 101 generally supports the ribs, and is provided with a guard hook 102 to prevent the supported ribs from detaching from the support hook 101 as the child moves or grows in height . The support hook 101 can slide to a proper height position on the support rod 103 , and then is locked on the support rod 103 by the locking screw 104 .

[0021] The center line of the support hook 101 and the center line of the strut 103 coincide with each other, so that the position of the support hook 101 to support the rib can only be located at the position of the strut 103, therefore, the thickness of the hook body is relatively thick, and the freedom of choosing a support point is small . In addition, the position where the supporting hook 101 supports the rib is located at the position of the strut 103, which makes it not convenient for the doctor to ope...

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PUM

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Abstract

A fixation hook used for correcting spinal deformity comprises a fixation hook body and a protective hook. The fixation hook is characterized in that the fixation hook body comprises a locking groove connected with a brace rod, a locking groove connected with the protective hook and a hook head; wherein, the locking groove connected with the brace rod is positioned on one side of and parallel to the locking groove connected with the protective hook; thus, the locking groove connected with the brace rod and the locking groove connected with the protective hook are mutually separated in parallel and can not increase the thickness of the hook body; the position on which a rib is supported by a support hook is not changed, which can be far away from the brace rod and a spine so as to bring the supporting function into full play. In particular, the protective hook is provided with a clamping platform at the kink of the hook, the neck of the hook is long and the hook head has at least two types of length, thereby being convenient for the doctors to use the apparatus during the operation.

Description

technical field [0001] The invention relates to a fixing hook for correcting spinal deformity, especially a fixing hook for a rib corrector for congenital spinal deformity at a young age. Background technique [0002] In the prior art, the upper support point of the built-in orthosis is moved to the upper rib, and the lower support point can be on the lower rib, spine, or ilium. By stretching the ribs, on the one hand, the supporting force can be transmitted to the spine to correct the spinal deformity. On the other hand, the stretching of the ribs expands the chest cavity and corrects the chest cavity deformity, which is beneficial to the development of the heart and lung organs of children who grow and develop. If the lower support point is on the lumbar spine or ilium, it is also beneficial to the development of abdominal organs. Research and clinical practice in recent years have shown that the spontaneous fusion of the vertebral body is less likely to occur when the up...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/70
CPCA61B17/7047
Inventor 于凤章
Owner 于凤章