Chuan-ye CHAI, Guo-zheng YAN, Ding HAN, Kai ZHAO, Fang-fang HUA. Design and optimization of an artificial anal sphincter clamping mechanism[J]. Optics and Precision Engineering, 2021, 29(11): 2640
- Optics and Precision Engineering
- Vol. 29, Issue 11, 2640 (2021)
Fig. 1. Kinematics and mechanical analysis
Fig. 2. Schematic diagram of meshing and loading
Fig. 3. Displacement during clamping
Fig. 4. Simulated anorectal angle
Fig. 5. Colon strain
Fig. 6. Relationship between arm-colon contact force and swing rod angle
Fig. 7. Relationship between vertex velocity， acceleration and opening angle of the clamping arm
Fig. 8. Clamping mechanism
Fig. 9. NCAAS prototype
Fig. 10. Clamping performance experimental
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Table 1. Design Parameters
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Table 2. Defecation and defecation control time record
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Table 3. Clamping performance test record
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