Research progress on mechanical performance evaluation of artificial intervertebral disc.
10.7507/1001-5515.201712014
- Author:
Rui LI
1
,
2
;
Song WANG
3
;
Zhenhua LIAO
3
;
Weiqiang LIU
1
,
3
Author Information
1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P.R.China
2. Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, P.R.China.
3. Research Institute of Tsinghua University in Shenzhen, Shenzhen, Guangdong 518057, P.R.China.
- Publication Type:Journal Article
- Keywords:
artificial intervertebral disc;
biomechanical testing;
dynamic mechanical testing;
mechanical performance evaluation;
static mechanical testing
- From:
Journal of Biomedical Engineering
2018;35(3):493-500
- CountryChina
- Language:Chinese
-
Abstract:
The mechanical properties of artificial intervertebral disc (AID) are related to long-term reliability of prosthesis. There are three testing methods involved in the mechanical performance evaluation of AID based on different tools: the testing method using mechanical simulator, specimen testing method and finite element analysis method. In this study, the testing standard, testing equipment and materials of AID were firstly introduced. Then, the present status of AID static mechanical properties test (static axial compression, static axial compression-shear), dynamic mechanical properties test (dynamic axial compression, dynamic axial compression-shear), creep and stress relaxation test, device pushout test, core pushout test, subsidence test, etc. were focused on. The experimental techniques using specimen testing method and testing results of available artificial discs were summarized. The experimental methods and research status of finite element analysis were also summarized. Finally, the research trends of AID mechanical performance evaluation were forecasted. The simulator, load, dynamic cycle, motion mode, specimen and test standard would be important research fields in the future.
