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Stacking-type full-height centrum forming device

A vertebroplasty and superimposed technology, applied in the direction of fixator, internal fixator, internal bone synthesis, etc., can solve the problems of unfavorable kyphosis recovery and other problems, to avoid loss of vertebral body height, easy to popularize and use, reasonable structure Effect

Active Publication Date: 2014-05-07
SUZHOU DIANHE MEDICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

They have their own characteristics. For example, PVP injects bone cement into the vertebral body without space under high pressure; Injection of bone cement, the leakage is more limited, and its safety is greatly improved compared with PVP. However, no matter whether bone cement or non-cement is injected into the vertebral body shaper, limited by the deformation principle and other factors, the vertebral body compression can only be partially restored. The lost height is not conducive to the recovery of kyphoscoliosis

Method used

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  • Stacking-type full-height centrum forming device
  • Stacking-type full-height centrum forming device
  • Stacking-type full-height centrum forming device

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Embodiment Construction

[0021] Such as Figure 1~3 The superimposed full-height vertebral body 11 shaper shown includes a superimposed implant component, which is connected with an instrument part component, and its difference lies in that the superimposed implant used in the present invention Incoming components include overlay components. At the same time, the instrument part assembly includes an internal fixation rod 3, and the internal fixation rod 3 is connected to the superimposed sheet assembly. Specifically, an outer conduit 4 is arranged on the outside of the inner fixing rod 3 , and a handle assembly 5 is arranged at the front section of the outer conduit 4 , and the handle assembly 5 is in contact with the superimposed sheet assembly. In addition, a guiding and fixing pipe 6 is arranged on the outer periphery of the middle section of the outer catheter 4 , and an adjustment assembly is connected to the guiding and fixing pipe 6 , and a separating assembly is arranged at the tail section o...

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Abstract

The invention relates to a stacking-type full-height centrum forming device which comprises a stacking implantation portion assembly connected with an instrument portion assembly. The stacking-type full-height centrum forming device is characterized in that the stacking implantation portion assembly comprises a stacking piece component, the instrument portion assembly comprises an inner fixing rod, the stacking piece component is connected with the inner fixing rod, meanwhile, the outside of the inner fixing rod is provided with an outer catheter, the front section of the outer catheter is provided with a holding component which makes contact with the stacking piece component, the periphery of the middle section of the outer catheter is provided with a guide fixing pipe connected with an adjusting component, and the tail section of the outer catheter is provided with a separating component. Therefore, the stacking implantation portion assembly and the instrument portion assembly can effectively cooperate with a spine centrum forming operation, the situation that centrum height is lowered in a long time after the operation is avoided, and besides, the device is reasonable in structure, easy and convenient to operate and convenient to popularize and use.

Description

technical field [0001] The invention relates to a vertebral body shaper, in particular to a stacked full-height vertebral body shaper. Background technique [0002] Vertebroplasty is a new minimally invasive spinal surgery. It is currently mainly used for the treatment of vertebral invasive hemangiomas, osteoporosis vertebral compression fractures, and primary or metastatic vertebral tumors. It can be divided into There are two types of bone cement and non-cement injection, the former includes percutaneous vertebroplasty (PVP) and kyphoplasty (percutaneous kyphoplasty, PKP); the latter includes vertebral body pillar blocks, nickel-titanium Memory alloy vertebral body shaper, etc. They have their own characteristics. For example, PVP injects bone cement into the vertebral body without space under high pressure; Injection of bone cement, the leakage is more limited, and its safety is greatly improved compared with PVP. However, no matter whether bone cement or non-cement is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70A61F2/44
CPCA61B17/7061
Inventor 张春霖
Owner SUZHOU DIANHE MEDICAL TECH
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