2022
DOI: 10.1002/aisy.202270005
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Magnetic Arthropod Millirobots Fabricated by 3D‐Printed Hydrogels

Abstract: Magnetic Arthropod Millirobots Inspired by arthropod species in nature, magnetic arthropod millirobots have been fabricated of 3D‐printed hydrogels. The joint structure can induce folding deformation and decrease the energy consumption. Multimodal locomotion and programmed shape transformation have been realized by a six‐armed millirobot. The millirobot can manipulate foreign objects in porcine organs ex vivo with the assistance of endoscope imaging. More information can be found in article number http://doi.… Show more

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Cited by 13 publications
(3 citation statements)
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“…In recent years, many fabrication methods combining microassembly and 3D printing have emerged, such as the transfer printing approach based on selective surface adhesion tuning, [101] modular 4D printing with great potential in future magnetic microrobot fabrication, [102] and so on. Compared to conventional fabrication by magnetizing after 3D printing, [103] this assembly-based 3D magnetic printing method makes it easier to create magnetic microrobots with heterogeneous materials, complex geometries, and arbitrary magnetic profiles.…”
Section: Microassembly Combined With 3d Printingmentioning
confidence: 99%
“…In recent years, many fabrication methods combining microassembly and 3D printing have emerged, such as the transfer printing approach based on selective surface adhesion tuning, [101] modular 4D printing with great potential in future magnetic microrobot fabrication, [102] and so on. Compared to conventional fabrication by magnetizing after 3D printing, [103] this assembly-based 3D magnetic printing method makes it easier to create magnetic microrobots with heterogeneous materials, complex geometries, and arbitrary magnetic profiles.…”
Section: Microassembly Combined With 3d Printingmentioning
confidence: 99%
“…In addition, the phase difference in the metachronal wave can be encoded as the magnetization of the individual HMS actuators. Their simple structure, easy fabrication, low cost, and reprogrammable feature enable HMS robots to be used in a wide range of applications, [34][35][36][37][38][39][40][41] particularly for minimally invasive medical interventions and on-chip micromanipulations. However, current optimizations are based on simple analytical models that cannot fully capture the complex interactions between the robot and its environments.…”
Section: Introductionmentioning
confidence: 99%
“…[ 26 ] Furthermore, (rigid) permanent magnets with simple geometries, such as cylinders and cuboids, were used as external actuation sources for a variety of (deformable) soft magnetoresponsive systems, such as soft magnetic robots [ 27,28 ] and active substrates for mechanobiology investigations, [ 29 ] by also enabling shape‐memory and stiffness modulation in composite elastomers. [ 30 ] Cylindrical magnets, in particular, were further used to actuate soft magnetoresponsive tools for endoluminal navigation, [ 31,32 ] bellow actuators, [ 8 ] bioinspired millirobots, [ 33 ] and substrates for fluid and solid transport. [ 34 ] Finally, cylindrical (and cuboid) magnets were also exploited for magnetization coding in soft magnetoresponsive materials.…”
Section: Introductionmentioning
confidence: 99%