Magneto-Responsive Polymeric Soft-Shell-Based Capsule Endoscopy for High-Performance Gastrointestinal Exploration via Morphological Shape Control

Article Chemistry, Multidisciplinary

Electrodeposited Superhydrophilic-Superhydrophobic Composites for Untethered Multi-Stimuli-Responsive Soft Millirobots

Zhiqiang Zheng et al.

Summary: By integrating superhydrophilic hydrogels and superhydrophobic elastomers, researchers have developed soft millirobots that can autonomously respond to multiple stimuli and exhibit various shapes and functions.

ADVANCED SCIENCE (2023)

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Article Multidisciplinary Sciences

Magnetic guidewire steering at ultrahigh magnetic fields

Mehmet Efe Tiryaki et al.

Summary: With the advancement of magnetic actuation principles at ultrahigh fields (UHF), magnetic guidewires show great potential in medical procedures, particularly in MRI scanners. This study presents a magnetic guidewire design and steering strategy by elucidating the uniaxial magnetization behavior of permanent magnets. The proposed magnetic actuation framework allows for unique opportunities, such as in situ remagnetization, and enables next-generation magnetic robots to operate inside MRI scanners.

SCIENCE ADVANCES (2023)

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Article Multidisciplinary Sciences

In situ sensing physiological properties of biological tissues using wireless miniature soft robots

Chunxiang Wang et al.

Summary: Compared with conventional medical imaging, implanted electronic sensors can continuously monitor advanced physiological properties of soft biological tissues. However, they are invasive and could cause inflammation. Here, we propose a minimally invasive method using wireless miniature soft robots to sense tissue physiological properties in situ. By controlling robot-tissue interaction with external magnetic fields, tissue properties can be recovered precisely from robot shape and magnetic fields, as visualized by medical imaging. We demonstrate that the robot can traverse tissues with multimodal locomotion and sense adhesion, pH, and viscoelasticity on ex vivo porcine and mice gastrointestinal tissues, tracked by x-ray or ultrasound imaging.

SCIENCE ADVANCES (2023)

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Article Robotics

Patient-Specific Magnetic Catheters for Atraumatic Autonomous Endoscopy

Giovanni Pittiglio et al.

Summary: This study presents the design and manufacture of a flexible magnetic catheter capable of navigating the human anatomy in a follow-the-leader fashion. By optimizing magnetization profiles and using a dual-robot arm system to generate transient magnetic fields, minimal contact navigation through a three-dimensional bronchial tree phantom was achieved. Compared to mechanically equivalent designs, the magnetic catheter demonstrated improved tracking accuracy, reduced obstacle contact time, and decreased targeting errors.

SOFT ROBOTICS (2022)

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Article Chemistry, Multidisciplinary

Wireless Miniature Magnetic Phase-Change Soft Actuators

Yichao Tang et al.

Summary: The article introduces a miniature magnetic phase-change soft composite actuator with large output force and work capacity, which can be used in potential applications in medical and robotic fields. Experiments demonstrate that the actuator performs well under remote magnetic radio frequency heating, showing its promising prospects for diverse applications.

ADVANCED MATERIALS (2022)

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Article Multidisciplinary Sciences

Adaptive wireless millirobotic locomotion into distal vasculature

Tianlu Wang et al.

Summary: A wireless stent-shaped magnetic soft robot is proposed for performing endovascular operations. The robot demonstrates shape-adaptive locomotion capabilities in complex arterial environments and can be used for various medical functions, making it a powerful tool for new distal endovascular operations.

NATURE COMMUNICATIONS (2022)

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Article Multidisciplinary Sciences

Untethered small-scale magnetic soft robot with programmable magnetization and integrated multifunctional modules

Yue Dong et al.

Summary: Intelligent magnetic soft robots with programmable magnetization profiles and multifunctionality have been developed by embedding programmed magnetization patterns into adhesive sticker layers. This approach allows for the creation of soft robots with programmable magnetization profiles and geometries, and integration of various functional modules such as temperature and ultraviolet light sensing particles, pH sensing sheets, and therapy patch films. These modular soft material systems have the potential to enhance the functionality, versatility, and adaptability of soft robots.

SCIENCE ADVANCES (2022)

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Article Robotics

A Multi-Segmented Soft Finger Using Snap-Through Instability of a Soft Valve With a Slit

Tongil Park et al.

Summary: This paper proposes a multi-segment soft finger design that can generate dual modes using only a single input channel, overcoming the issue of complexity in the original structure. Experimental results indicate that the geometrical design and material properties of the valve have significant impact on the performance and mode transition of the soft fingers. The designed antipodal gripper structure not only has a wide grasp range, but also achieves grasp robustness.

IEEE ROBOTICS AND AUTOMATION LETTERS (2022)

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Article Automation & Control Systems

Redundant Electromagnetic Control of an Endoscopic Magnetic Capsule Driven by Multiple Electromagnets Configuration

Jayoung Kim et al.

Summary: In this article, a novel stationary electromagnetic actuation system (EMS) and a redundant magnetic field control approach are proposed to enhance the magnetic actuation ability of a capsule endoscope. The proposed scheme utilizes the redundancy of multiple electromagnets to increase the magnetic force and reduce the peak input current. Simulation and experimental results demonstrate significant improvements in the magnetic field and lower input current compared to the conventional method, as well as extended operating time through reduced heating effects.

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2022)

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Article Automation & Control Systems

Independent Electromagnetic Field Control for Practical Approach to Actively Locomotive Wireless Capsule Endoscope

Manh Cuong Hoang et al.

Summary: This study enhances the EMA system for wireless medical microrobot applications with an increased magnetic field for multi-degree-of-freedom motion of an untethered capsule endoscope. The independent magnetic field control method and new coil configuration enable orientation-independent-driving control of the capsule endoscope.

IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS (2021)

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Article Robotics

Ascidian-Inspired Soft Robots That Can Crawl, Tumble, and Pick-and-Place Objects

Shirong Zheng et al.

Summary: The article introduces a bio-inspired soft robot resembling a cylindrical shaped marine invertebrate ascidian, designed to imitate the animal's shape and motion. By being magnetically actuated, this robot can create different motions and demonstrate practicality in transporting objects and releasing drugs.

IEEE ROBOTICS AND AUTOMATION LETTERS (2021)

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Article Robotics

Magnetically Actuated Soft Capsule Endoscope for Fine-Needle Biopsy

Donghoon Son et al.

SOFT ROBOTICS (2020)

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Article Multidisciplinary Sciences

Magnetic cilia carpets with programmable metachronal waves

Hongri Gu et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Multidisciplinary

Reprogrammable Ferromagnetic Domains for Reconfigurable Soft Magnetic Actuators

Hyeonseo Song et al.

NANO LETTERS (2020)

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Article Multidisciplinary Sciences

Reprogrammable shape morphing of magnetic soft machines

Yunus Alapan et al.

SCIENCE ADVANCES (2020)

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Article Multidisciplinary Sciences

Flow driven robotic navigation of microengineered endovascular probes

Lucio Pancaldi et al.

NATURE COMMUNICATIONS (2020)

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Article Multidisciplinary Sciences

Bioinspired cilia arrays with programmable nonreciprocal motion and metachronal coordination

Xiaoguang Dong et al.

SCIENCE ADVANCES (2020)

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Article Computer Science, Artificial Intelligence

Enabling the future of colonoscopy with intelligent and autonomous magnetic manipulation

James W. Martin et al.

NATURE MACHINE INTELLIGENCE (2020)

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Article Multidisciplinary Sciences

A wireless tattooing capsule endoscope using external electromagnetic actuation and chemical reaction pressure

Manh Cuong Hoang et al.

PLOS ONE (2019)

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Article Robotics

Bio-Inspired Terrestrial Motion of Magnetic Soft Millirobots

Venkatasubramanian Kalpathy Venkiteswaran et al.

IEEE ROBOTICS AND AUTOMATION LETTERS (2019)

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Article Multidisciplinary Sciences

Small-scale soft-bodied robot with multimodal locomotion

Wenqi Hu et al.

NATURE (2018)

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Article Automation & Control Systems

Miniaturized biopsy module using gripper tool for active locomotive capsule endoscopee

Viet Ha Le et al.

MECHATRONICS (2017)

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Article Gastroenterology & Hepatology

Wireless capsule endoscopy

Amy Wang et al.

GASTROINTESTINAL ENDOSCOPY (2013)

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Review Gastroenterology & Hepatology

Small-bowel capsule endoscopy: A ten-point contemporary review

Anastasios Koulaouzidis et al.

WORLD JOURNAL OF GASTROENTEROLOGY (2013)

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Article Radiology, Nuclear Medicine & Medical Imaging

A Prospective Study of MR Enterography Versus Capsule Endoscopy for the Surveillance of Adult Patients With Peutz-Jeghers Syndrome

Arun Gupta et al.

AMERICAN JOURNAL OF ROENTGENOLOGY (2010)

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Editorial Material Engineering, Biomedical

Magnetic capsule endoscopy: the future is around the corner

Federico Carpi

EXPERT REVIEW OF MEDICAL DEVICES (2010)

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Article Gastroenterology & Hepatology

Fields of applications, diagnostic yields and findings of OMOM capsule endoscopy in 2400 Chinese patients

Zhuan Liao et al.

WORLD JOURNAL OF GASTROENTEROLOGY (2010)

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Article Gastroenterology & Hepatology

First clinical trial of the MiRo capsule endoscope by using a novel transmission technology: electric-field propagation

Seungmin Bang et al.

GASTROINTESTINAL ENDOSCOPY (2009)

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Review Gastroenterology & Hepatology

Capsule endoscopy: past, present, and future

Tetsuya Nakamura et al.

JOURNAL OF GASTROENTEROLOGY (2008)

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Article Gastroenterology & Hepatology

Esophageal capsule endoscopy

Ignacio Fernandez-Urien et al.

WORLD JOURNAL OF GASTROENTEROLOGY (2008)

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Double-balloon enteroscopy (push-and-pull enteroscopy) of the small bowel: feasibility and diagnostic and therapeutic yield in patients with suspected small bowel disease

A May et al.

GASTROINTESTINAL ENDOSCOPY (2005)

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Article Gastroenterology & Hepatology

Wireless capsule endoscopy: Experience in a tropical country

PVJ Sriram et al.

JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY (2004)

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Article Biotechnology & Applied Microbiology

Current and future applications of the capsule camera

WA Qureshi

NATURE REVIEWS DRUG DISCOVERY (2004)

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Article Gastroenterology & Hepatology

Wireless capsule endoscopy: a comparison with push enteroscopy in patients with gastroscopy and colonoscopy negative gastrointestinal bleeding

M Mylonaki et al.

GUT (2003)

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Article Multidisciplinary Sciences

Wireless capsule endoscopy

G Iddan et al.

NATURE (2000)

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Article Surgery

Tumors of the small intestine

DK Blanchard et al.

WORLD JOURNAL OF SURGERY (2000)

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Magneto-Responsive Polymeric Soft-Shell-Based Capsule Endoscopy for High-Performance Gastrointestinal Exploration via Morphological Shape Control

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