NDLI: Design of cervical spine mechanical emulator for rotation-traction manipulation drills

Content Provider	IEEE Xplore Digital Library
Author	Yuancan Huang Liming Yao Minshan Feng Liguo Zhu Jian Li
Copyright Year	2014
Description	Author affiliation: Sch. of Mechatronical Eng., Beijing Inst. of Technol., Beijing, China (Yuancan Huang; Liming Yao; Jian Li) \|\| Wangjing Hosp., Chinese Acad. of Traditional Chinese Med., Beijing, China (Minshan Feng; Liguo Zhu)
Abstract	The cervical spine rotation-traction manipulation is an important therapeutic technique for cervical spondylosis in the Chinese Traditional Medicine (TCM). However, incidence of medical malpractice is relatively high in the rotation-traction therapy when the unfledged internship physicians give the therapy. Thus, it is crucial to build a cervical spine mechanical emulator to evaluate how well one performs the rotation-traction manipulation and also to indicate the faults. In this paper, the in vivo and in vitro measurements are performed to acquire the biomechanical properties and parameters of the rotation-traction manipulation. According to these measurements and physiological structure of human cervical spine, a mass-spring-damper system with electromagnetic clutch, in which the spring is nonlinear, and can be compressed and expanded rectilinearly, is used to replicate the biodynamical properties of the rotation-traction manipulation, and a virtual model of the mass-spring-damper system is built in ADAMS to verify the fitness of the mass-spring-damper model to the in vivo and in vitro measurements and to optimize the model parameters. Then, the rectilinear nonlinear spring is designed with the desired stiffness variation, and the structure of mechanical emulator is given. Finally, a design example of the nonlinear spring and the numerical computations with the designed nonlinear spring and parameters are presented. In addition, a simplified mechanical emulator is fabricated to test whether the mass-spring-damper system with electromagnetic clutch can replicate the observed rapid acceleration change in the rotation-traction manipulation, which lays a sound foundation for putting the drill system into practice.
Starting Page	621
Ending Page	626
File Size	431739
Page Count	6
File Format	PDF
ISBN	9781479923236
DOI	10.1109/AMC.2014.6823353
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-14
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force Springs Acceleration Biological system modeling Biomechanics Force measurement In vivo Cervical Spine mechanical emulator Cervical spine rotation-traction manipulation Cervical spine model Rectilinear nonlinear spring
Content Type	Text
Resource Type	Article

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