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Fusing device capable of being strutted

A fusion device and gripper technology, applied in the field of prosthesis, can solve the problems of narrow application range, inconvenience, and inability to flexibly adjust the use of the fusion device, and achieve the effects of improving the gripping performance, being convenient to use, and broadening the scope of application

Pending Publication Date: 2018-05-18
SUZHOU XINRONG BEST MEDICAL INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common fusion cages are fixed in height and cannot be adjusted flexibly during use. To treat different patients, it is necessary to make a trial model in advance to make a fusion cage that meets the fixed specifications used by it. The scope of application is narrow, which brings great inconvenience to doctors

Method used

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  • Fusing device capable of being strutted
  • Fusing device capable of being strutted
  • Fusing device capable of being strutted

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] like Figure 1 to Figure 10 As shown, the expandable fusion device of the present invention includes a holder 10 and an expandable component 20 connected to the end of the holder 10 .

[0023] The gripper 10 includes a rod-shaped hollow external hexagonal screwdriver 1, a locking handwheel 2, a clamping sleeve 3 and an outer jacket 4. The clamping sleeve 3 is set outside the rod-shaped hollow external hexagonal screwdriver 1 and the left end is screwed to the locking handwheel 2. The right end is provided with a clamping claw 31 for clamping the expandable part 20. In this embodiment, the clamping claw 31 is provided with two claws, which are clamped on both sides of the following slider 1 5 . The jacket 4 covers the outside of the clamping sleeve 3 , and when the locking hand wheel 2 is turned, the clamping sleeve 3 can move left and right in the jacket 4 along the axial direction of the jacket 4 . Specifically, in the initial state, the clamping claw 31 stretches out...

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Abstract

The invention discloses a fusing device capable of being strutted. The fusing device comprises a holder and a part which can be strutted and is connected to the end of the holder. The technical purpose is to provide the fusing device which is capable of being strutted, simple in structure, convenient to use and wide in application range, and brings great convenience to a doctor.

Description

technical field [0001] The present invention relates to a kind of prosthesis used for spine, such as vertebrae and intervertebral disc, which can be transplanted into the body, in particular to an expandable fusion device. Background technique [0002] Today, people are under great pressure in work and life, and the aging population is intensifying. Therefore, in orthopedic clinics, spinal degeneration has become a frequently-occurring disease. This disease is mainly manifested in intervertebral disc degeneration, spinal stenosis, Spondylolisthesis, etc., which directly lead to compression of the spinal cord or nerve roots. In order to completely relieve the compression, restore the physiological curvature of the spine, and ensure the stability of the spine, all patients need surgical treatment. At the same time, some patients with spinal deformity, spinal trauma, spinal tumor, spinal repair and spinal infection also need intervertebral fusion to stabilize the lumbar segmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44
CPCA61F2/4455A61F2002/30108
Inventor 李文桂贺军黄丙寅袁芦荻蔡渊源王雄飞
Owner SUZHOU XINRONG BEST MEDICAL INSTR