Dynamic stabilization implanting unit for spine
A technology of dynamic stability and spine, applied in the field of medical devices, can solve the problems of high possibility of reoperation, hysteresis of elastic zone, poor self-sealing of implants, etc.
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Embodiment 1
[0049] Invention patent application No.201110041369.3 involves 10 dynamic rod forms in the spine dynamic connection rod, figure 2 is one of them. Fill the silicone rubber material methyl silicone rubber in the elastic slots 2 of all dynamic rods.
Embodiment 2
[0051] In the invention patent application No.200510090810, the elastic gap (154) in the bioflexible spinal fixation device with shape memory containing gold is filled with inert silicone rubber, phenyl silicone rubber, and the silicone rubber also wraps the outer surface of the entire elastic zone (150) into a closed form, see image 3 .
Embodiment 3
[0053] In the invention patent application No.03827111.7, the spring gap (11) in the device for elastically stabilizing the vertebral body is filled with inert silicone rubber, fluorosilicone rubber, see Figure 4 .
[0054] Compared with the prior art, the structure of the elastic region of the present invention is an organic combination of rigid materials and flexible materials, which solves the problem of deformation and failure of the elastic region per unit time and increases the fatigue strength of the elastic region. It can speed up the repair function of the intervertebral disc and the enlargement of the intervertebral foramen while the patient can be stabilized immediately after the operation. In addition, the elastic region of the present invention is a closed body. After being implanted into the human body, bone fragments or blood clots around the spine will not be embedded in the pores with changes in body position, affecting the dynamic effect.
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