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Implant system for stabilizing bones

A technology of bones and fixation elements, applied in the field of implant systems, can solve the problems of lack of X-ray penetration, etc., and achieve the effect of avoiding relative movement and stabilizing connection

Inactive Publication Date: 2011-11-23
SEPITEC FOUND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned disadvantages, in particular the lack of X-ray penetration and the formation of artifacts, also result here
If the intramedullary nail is a steel nail, there is also the disadvantage here that its modulus of elasticity is significantly greater than that of the bone to be fixed

Method used

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  • Implant system for stabilizing bones
  • Implant system for stabilizing bones
  • Implant system for stabilizing bones

Examples

Experimental program
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Embodiment Construction

[0026] figure 1 Shown is a fixation device 1 or an implant system by means of which three vertebrae 13, 13' and 13" of a spine 12 are fixed. Between said vertebrae 13, 13' and 13" there is said intervertebral disc 14, An intervertebral element, not shown here, can be inserted into the intervertebral disc. The fixation device 1 should in particular be able to achieve healing of the vertebrae 13, 13' and 13". The fixation device 1 comprises three pedicle screws 2, which may be identically formed, and a connecting rod 6', which Can be straight or curved. In the usual case, the fixation device 1 or the implant system comprises a further connecting rod 6', which is covered here and likewise by means of three pedicle screws 2 Anchoring. The connecting rod 6' is a member of the fixation device 1 and interconnects the three vertebrae 13, 13' and 13".

[0027] exist image 3 The connecting rod 6' shown in FIG. 2 consists of an elongated body 15' made of a relatively light material, ...

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PUM

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Abstract

The invention relates to an implant system having at least one component (6, 24, 33, 39) comprising an elongated body (15, 25, 34, 40) having at least one segment at which it can be connected to an attachment system (2, 3; 42) of the implant system, such as a pedicle screw or a brace. The elongated body (15, 25, 34, 40) is made of a plastic transparent to X-rays and is fixedly connected to a substantially harder part (16, 17, 27, 28, 35, 37, 41) in the at least one segment named above, said harder part forming an interface to said attachment element (2, 42).

Description

technical field [0001] The invention relates to an implant system for the fixation of bones, having a member having an elongated body having at least one section on which the elongated body can be joined to another section, Examples include pedicle screw or clamping device connections. Background technique [0002] Such implant systems are used, for example, to fix segments of the spinal column. The system comprises an elongate body formed as a rod or a plate, which is anchored in the vertebral body by means of at least two pedicle screws. Several embodiments of such implant systems are known in the prior art and are disclosed, for example, in US 5 474 555 and EP-A-0 746 255 . In such a system, the said rods respectively form the components and the said pedicle screws form the fixation elements. The rod is made, for example, of titanium, implant steel or another biocompatible metal. Disadvantages are the lack of X-ray penetration and the formation of artifacts in the rod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70A61B17/00A61B17/60A61B17/72
CPCA61B17/7031A61B2017/0092A61B2017/00915A61B17/7208A61B17/7005A61B17/60A61B17/7037A61B17/7032
Inventor 迈因拉德·菲克特弗里德里希·梅格尔罗纳德·威林
Owner SEPITEC FOUND
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