Chinese Journal of Tissue Engineering Research ›› 2015, Vol. 19 ›› Issue (17): 2758-2761.doi: 10.3969/j.issn.2095-4344.2015.17.024

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Design and development of a new thoracolumbar distraction reduction device in vitro

Feng Qi-jin1，Gu Fu-shun1,Xia Qun2   

  1. 1Second Affiliated Hospital, Tianjin University of Traditional Chinese Medicine, Tianjin 300150, China; 2Department of Spine, Tianjin Hospital, Tianjin 300211, China
  • Online:2015-04-23 Published:2015-04-23
  • About author:Feng Qi-jin, Master, Second Affiliated Hospital, Tianjin University of Traditional Chinese Medicine, Tianjin 300150, China
  • Supported by:

     the Higher School Science and Technology Development Project of Tianjin City, No.20140216

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Abstract:

BACKGROUND: For the elderly osteoporotic thoracolumbar burst fractures without nerve root symptoms, it is difficult to choose between traditional surgical and conservative treatment, because they have their advantages and disadvantages. How to select their advantages and to discard their disadvantages? Concept of minimal invasion builds a new platform and provides a new way of thinking and therapeutic tool.

OBJECTIVE: To design and develop a new thoracolumbar distraction reduction device in vitro in the repair of elderly osteoporotic burst fractures.
METHODS: We designed and developed a new type of thoracic and lumbar spine in vitro distraction reduction device, including bracket, guide pin and two hollow screws. Its characteristic is that it also contained distractor, pressurizer and wrench. In accordance with the theory of “muscles as important as bones” and actual anatomical condition, bone fragment in the spine canal was restored using percutaneous ligament reconstructive technique.
RESULTS AND CONCLUSION: This thoracic and lumbar spine in vitro distraction reduction device combined with ligament reconstructive technique can be used in elderly osteoporotic burst fractures and elderly osteoporotic compression fractures. It is percutaneous minimally invasive operation, can restore the height of anterior and central cylinders and correct Cobb’s angle through multi angle distraction. Simultaneously, percutaneous vertebroplasty can be utilized. Bone cement was infused in the injured vertebra. According to patients’ economic situation, percutaneous balloon kyphoplasty can be employed. These can provide an inexpensive, less-pain, less-invasive way to repair.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程


全文链接：

Key words: Fractures, Bone, Thoracic Vertebrae, Lumbar Vertebrae, Osteoporosis

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