Design of gun-form bone grafting apparatus and surgical simulation

doi:10.3969/j.issn.2095-4344.2016.09.014

Chinese Journal of Tissue Engineering Research ›› 2016, Vol. 20 ›› Issue (9): 1309-1314.doi: 10.3969/j.issn.2095-4344.2016.09.014

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Design of gun-form bone grafting apparatus and surgical simulation

Yin Zhi-yu¹, Yin Zhi-xun², He Er-xing², Lu Wei-jie²

¹Department of Radiogherapy, Guangzhou General Hospital of Guangzhou Military Region, Guangzhou 510195, Guangdong Province, China; ²Department of Orthopedics, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, Guangdong Province, China

Received:2015-12-16 Online:2016-02-19 Published:2016-02-19
Contact: Yin Zhi-xun, M.D., Chief physician, Department of Orthopedics, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, Guangdong Province, China
About author:Yin Zhi-yu, Physician, Department of Radiogherapy, Guangzhou General Hospital of Guangzhou Military Region, Guangzhou 510195, Guangdong Province, China
Supported by:
Science and Technology Program of Guangzhou, China, No. 2013J4100041; Science and Technology Program of Guangdong Province, China, No. 2014A020212369; a grant supported by the First Affiliated Hospital of Guangzhou Medical University, China

Abstract

Abstract:

BACKGROUND: The existing bone grafting apparatus are all long tubular-shape, antegrade bone grafting; however, the bone grains within the tube were difficult to put through, along with large bone loss.
OBJECTIVE: To design a new concept of minimally invasive bone grafting apparatus, so as to achieve the minimally invasive bone grafting in vertebral body and intervertebral space.
METHODS: On Solidworks 2012 software platform, the 3D three-dimensional solid modeling technology was employed to design a new concept of gun-shape bone grafting device with the characteristics of headend reversely placing at the grafting position and antegrade pushout, against the problems such as antegrade bone grafting, long bone grafting path and difficulty in bone grafting existing in precious percutaneous or/and transpedicular bone graft apparatus. The virtual assembly and simulative bone grafting surgery were performed with the bone grafting apparatus for observation of the instrument matching degree and grafting surgical procedures.
RESULTS AND CONCLUSION: A set of minimally invasive gun-shape bone grafting apparatus was successfully designed; its length was 20 cm in total; the length of the front semi-closed bone tube was
2.5 cm. There are two kinds of diameter specifications: inner diameter of 3.5 mm/outer diameter of 4 mm, and inner diameter of 5 mm/outer diameter of 6 mm. Virtual assembly revealed that the grafting apparatus were well matched. Stimulative surgery displayed that the bone grain loading and launch were simple. The gun-shape bone grafting device is reasonable in design, avoiding pushing too long distance, bone pushing difficulties, bone loss and other problems in previous tubular bone grafting apparatus. Percutaneous, endoscopic vertebrae or intervertebral space minimally invasive bone grafting can be performed with this apparatus.

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

Yin Zhi-yu, Yin Zhi-xun, He Er-xing, Lu Wei-jie. Design of gun-form bone grafting apparatus and surgical simulation[J]. Chinese Journal of Tissue Engineering Research, 2016, 20(9): 1309-1314.

Figures/Tables 1

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Design of gun-form bone grafting apparatus and surgical simulation

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