ArticleScience advances2025
Modular magnetic microrobot system for robust endoluminal navigation and high-radial force stent delivery in complex ductal anatomy.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed.
- Amphibious Movement of Microrobots Inspired by Water Spiders.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Task-Oriented Biomedical Microrobots: Access, Working Environment, Actuation, Body Design, Detection and Control.Micromachines · 2026Review
- Equivalent Modeling and Calculation of the Infrared Characteristics of Combined Multi-Regular Triangular Pyramid Cavity Structures Based on Cavity Radiation Theory.Sensors (Basel, Switzerland) · 2026Article
- Microrobots for Precision Diagnosis and Treatment in the Digestive System: A Review of Actuation Mechanisms, Structural Design, Preclinical and Translational Applications.Micromachines · 2026Review
- A Narrative Review of da Vinci Single-Port Versus Multi-Port Robotic Surgery in Elderly or Frail Urological Cancer Patients.Cancers · 2026Review
- Microswarm bridging effect for dual-surface biofilm eradication in submillimeter infection pockets.Science advances · 2026Article
Corrections and comments
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Endoluminal stent implantation is a common intervention strategy for treating obstructive lesions, but conventional delivery systems struggle to reach deep, tortuous ducts. To overcome this limitation, we present a magnetically controlled microrobot that integrates two functional modules: a magnetic actuation (MA) module for agile navigation and an ultrasound-responsive self-expanding stent module (ST module) for lesion-specific dilation. The system uses a dynamically tunable assembly mechanism governed by rotational direction enabling integrated locomotion (clockwise) and on-demand module separation (counterclockwise) at stenotic sites. The platform is compatible with intraoperative ultrasound, allowing real-time navigation and thermally triggered expansion in physiological environments. By synergizing programmable magnetic actuation, ultrasound-mediated expansion, and clinical workflow compatibility, the robot can navigate tortuous phantom ducts, achieving controlled stent deployment within 3 seconds and complete expansion within 30 seconds, permitting minimally invasive treatment of biliary strictures. This work advances microrobotic stent delivery by overcoming key barriers to clinical translation in endoluminal interventions.
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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 Socratic graph.