Results 241 to 250 of about 22,448 (281)
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Reliability of active robotic neuro-navigated transcranial magnetic stimulation motor maps
Experimental Brain Research, 2022Transcranial magnetic stimulation (TMS) motor mapping is a safe, non-invasive method used to study corticomotor organization and intervention-induced plasticity. Reliability of resting maps is well established, but understudied for active maps and unestablished for active maps obtained using robotic TMS techniques.
Cynthia K. Kahl +6 more
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Water-Immiscible Coacervate as a Liquid Magnetic Robot for Intravascular Navigation
Journal of the American Chemical Society, 2023Developing magnetic ultrasoft robots to navigate through extraordinarily narrow and confined spaces like capillaries in vivo requires synthesizing materials with excessive deformability, responsive actuation, and rapid adaptability, which are difficult to achieve with the current soft polymeric materials, such as elastomers and hydrogels.
Pengchao Zhao +8 more
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Magnetic and Robotic Navigation
2011The advent of ablation procedures for supraventricular and ventricular arrhythmias accelerated the development of technology to facilitate catheter manipulation and imaging. Deflectable catheters, electroanatomic imaging, and intracardiac echocardiography represent technologies that have had a high impact on the field.
Bruce D. Lindsay, Oussama Wazni
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Magnetic controlled navigation system for endoscopic micro robot
2009 IEEE 3rd International Conference on Nano/Molecular Medicine and Engineering, 2009A novel magnetic controlled navigation system is proposed for controlling endoscopic micro robot's locomotion and location in the gastrointestinal tract. The proposed approach exploits permanent magnet and mechanical movement to generate quasi-static magnetic field instead of AC alternating magnetic field, and thus can be applied to the noninvasive ...
null Mingyuan Gao +4 more
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Magnetic and robotic navigation for catheter ablation
Journal of Interventional Cardiac Electrophysiology, 2008Catheter ablation has become the treatment of choice to cure various arrhythmias in the last decades. The newest advancement of this general concept is made on the navigation ability using remote-controlled ablation catheters. This review summarizes the concept of the two currently available systems, followed by a critical review of the published ...
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Dynamic tracking effect of a magnetic navigated dual hemisphere capsule robot
Robotica, 2022AbstractFor diagnostic and therapeutic applications in spacious spots of the gastrointestinal (GI) tract, the single rigid body capsule clinically applied is difficult to realize the fix-point posture adjustment function manipulated by the external permanent magnet system using the static balance control because the posture alignment and the locomotion
Yongshun Zhang +5 more
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Factors Influencing Contact Force in Robotic Magnetic Navigation Ablation
Journal of Cardiovascular ElectrophysiologyABSTRACTIntroductionStability of catheter‐tissue contact in the robotic magnetic navigation (RMN) system is one of the key features that distinguishes this system from manually guided catheters. Numerous studies have shown that contact force (CF) in manually controlled catheters is as crucial for forming an optimal lesion as the duration of application
Michal Orczykowski +11 more
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IEEE Transactions on Industrial Electronics, 2017
We propose a novel magnetic navigation system (MNS) with the resonant effect of an RLC circuit to generate large magnetic field in high frequency. The variable capacitors of the proposed MNS make it possible not only to change the resonant frequency of the RLC circuit, but also to maximize the output current without phase delay at variable resonant
Jaekwang Nam +3 more
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We propose a novel magnetic navigation system (MNS) with the resonant effect of an RLC circuit to generate large magnetic field in high frequency. The variable capacitors of the proposed MNS make it possible not only to change the resonant frequency of the RLC circuit, but also to maximize the output current without phase delay at variable resonant
Jaekwang Nam +3 more
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Magnetic Maneuvering of Endoscopic Capsules by Means of a Robotic Navigation System
IEEE Transactions on Biomedical Engineering, 2009The use of video capsules for noninvasive explorations of the digestive tube is progressively increasing today. At present, the motion of these wireless endoscopic devices cannot be controlled and they proceed by means of visceral peristalsis and gravity.
CARPI, FEDERICO, Pappone, Carlo
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Navigation’s Stabilization System of a Magnetic Adherence-Based Climbing Robot
Journal of Intelligent & Robotic Systems, 2014This paper presents a climbing robot based on wheel locomotion and magnetic adherence. The proposed mechanical design stands on four unaligned magnetic wheels disposed in two parallel axes, which provides a great advantage when passing over obstacles.
Rodrigo Valério Espinoza +3 more
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