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Method and apparatus for augmenting bone

An opening device and implant technology, applied in the field of implants, can solve problems such as vertebral deformation that cannot be solved

Active Publication Date: 2015-07-15
SYNTHES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technique usually does not reposition the fractured bone to its original size and / or shape, and therefore does not address the deformity of the spine due to the fracture

Method used

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  • Method and apparatus for augmenting bone
  • Method and apparatus for augmenting bone
  • Method and apparatus for augmenting bone

Examples

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Embodiment Construction

[0082] first reference Figure 1A -D, the expandable implant system 18 includes at least one implant component 19, such as a pair of implant components 19, which are configured to be inserted into a target bone, which may be a vertebra 17, as the picture shows. In particular, each implant assembly 19 can be implanted in a vertebral body portion 21 of a vertebra 17 that has been traumatized (e.g., a vertebral compression fracture “VCF”) and relative to the anatomically normal state prior to being traumatized. The height has a reduced front height H1 and an increased forward bend angle ( Figure 1A -B). Implant assembly 19 includes an expandable main implant 20, which may be a stent, capable of being implanted in a vertebral body portion 21 by minimally invasive surgical techniques, such as through one or more inserts. tubes, pre-formed holes, or percutaneous implants. Once implanted, the expandable implant 20 is configured to reposition and stabilize the target bone so as to ...

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Abstract

An expandable implant system is configured to increase the height of a target bone, for instance that has been subjected to a compression fracture. The expandable implant system includes an implant assembly that can be inserted into the target bone, and subsequently expanded so as to increase the height of the target bone. The expandable implant system further includes an and insertion assembly that is configured to create an insertion channel into the target bone, such that the implant assembly can be inserted in a collapsed configuration into the target bone along the insertion channel, and subsequently expanded.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application No. 61 / 235196, filed August 19, 2009, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates generally to implants for augmenting or supporting bone, and more particularly to expandable implants. Background technique [0004] Vertebral compression fractures ("VCFs") are a common spinal injury and can result in prolonged disability. Generally speaking, VCF involves the collapse of one or more vertebral bodies in the spine. VCF usually arises in the lower vertebrae of the thoracic spine or the upper vertebrae of the lumbar spine. VCF usually involves a fracture of the anterior portion of the injured vertebral body. VCF may cause deformation of the normal alignment or curvature of the vertebral bodies in areas of spinal injury, such as lordosis. VCF and / or associated vertebral def...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/44A61B17/56A61B17/88
CPCA61B17/1662A61B17/8872A61B17/7097A61B17/1671A61B17/1642A61B17/56A61B17/88A61F2/44A61F2/441
Inventor J·泰森
Owner SYNTHES GMBH