Simulation Analysis and Optimization Design of Medical Plastic Hemostatic Clamp Based on ABAQUS

doi:10.19491/j.issn.1001-9278.2021.04.011

Abstract

Abstract:

Taking a medical hemostatic clamp as a research object， a mechanical model was established. The deformation and stress-strain situation in the process of closure were simulated by the ABAQUS software，and the product structure was optimized according to the analysis results. The resultant products could meet the requirement for practical use.

Key words: medical hemostatic clamp, mechanical model, simulation, optimization design

CLC Number:

TQ 320.1

Cite this article

DONG Zhijia, WANG Xiaoxin, GUAN Hang, LI Shao. Simulation Analysis and Optimization Design of Medical Plastic Hemostatic Clamp Based on ABAQUS[J]. China Plastics, 2021, 35(4): 60-64.

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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2021.04.011

https://www.plaschina.com.cn/EN/Y2021/V35/I4/60

Figures/Tables 17

Fig.1. Diagram of the structure of the product

拉伸模量/MPa	屈服应力/MPa	断裂伸长率/%	弯曲模量/MPa	弯曲强度/MPa
2 900	71	45	2 800	93

拉伸模量/MPa	屈服应力/MPa	断裂伸长率/%	弯曲模量/MPa	弯曲强度/MPa
2 900	71	45	2 800	93

Tab.1. Mechanical properties of POM

Fig.2. Process of closure of hemostasis clamp

Fig.3. The first stage

Fig.4. The second stage

Fig.5. The third stage

Fig.6. Load application

Fig.7. Stress distribution during closure

Fig.8. Elastic strain at the plastic hinge

Fig.9. Plastic strain at the plastic hinge

Fig.10. Plastic hinge fractures during closure

Fig.11. Structural change at plastic hinge

Fig.12. Stress distribution at plastic hinge during closure based on optimization scheme

Fig.13. Elastic strain at the plastic hinge based on optimization scheme

Fig.14. Plastic strain at the plastic hinge based on optimization scheme

Fig.15. Hemostatic clip products

References 4

1	王刚，李宗倍，曹成亮. 腹部手术止血方法的研究现状［J］. 世界华人消化杂志，2017，25（32）：2 866⁃2 872.
	WANG G， LI Z B， CAO C L. Methods of Hemostasis in Abdominal Surgery［J］. World Chinese Journal of Digestology， 2017， 25（32）：2 866⁃2 872.
2	杨振熙，邱晓峰. 非吸收高分子结扎夹在腹腔镜全腹膜外腹股沟疝修补术中的临床应用［J］. 海南医学，2018，（24）：3 449⁃3 451.
	YANG Z X， QIU X F. Clinical Application of Nonabsorbable Polymer Ligation Clip in Totally Extraperitoneal Laparoscopic Techniques for Inguinal Hernia Repair［J］. Hainan Medical Journal， 2018，（24）：3 449⁃3 451.
3	AHMET S， ABDUSSAMET B M， SEZER A， et al. Hem⁃o⁃lok Clip Is a Safe Alternative in the Laparoscopic Treatment of Perforated Appendicitis［J］.The American surgeon， 2019，85（5）：245⁃246.
4	吴其晔，张萍，杨文君等. 高分子物理［M］. 北京：高等教育出版社，2011：178⁃199.

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