ArticleJournal of artificial organs : the official journal of the Japanese Society for Artificial Organs2025
Bio-inspired circular soft actuators for simulating defecation process of human rectum.
Article in Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Electrohydraulic Folding Ring Actuators for Radially Contracting Applications.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Multi-Level Scale Attention Fusion Network for Adhesive Spots Segmentation in Microlens Packaging.Micromachines · 2025Article
- Characteristics Prediction and Optimization of GaN CAVET Using a Novel Physics-Guided Machine Learning Method.Micromachines · 2025Article
- Real-Time Correction and Long-Term Drift Compensation in MOS Gas Sensor Arrays Using Iterative Random Forests and Incremental Domain-Adversarial Networks.Micromachines · 2025Article
- Medical Image Segmentation: A Comprehensive Review of Deep Learning-Based Methods.Tomography (Ann Arbor, Mich.) · 2025Review
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Soft robots have found extensive applications in the medical field, particularly in rehabilitation exercises, assisted grasping, and artificial organs. Despite significant advancements in simulating various components of the digestive system, the rectum has been largely neglected due to societal stigma. This study seeks to address this gap by developing soft circular muscle actuators (CMAs) and rectum models to replicate the defecation process. Using soft materials, both the rectum and the actuators were fabricated to enable seamless integration and attachment. We designed, fabricated, and tested three types of CMAs and compared them to the simulated results. A pneumatic system was employed to control the actuators, and simulated stool was synthesized using sodium alginate and calcium chloride. Experimental results indicated that the third type of actuator exhibited superior performance in pressure generation, enabling the area contraction to reach a maximum value of 1. The successful simulation of the defecation process highlights the potential of these soft actuators in biomedical applications, providing a foundation for further research and development in the field of soft robotics.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.