Ferromagnetic soft continuum robots
Small-scale soft continuum robots capable of active steering and navigation in a remotely controllable manner hold great promise in diverse areas, particularly in medical applications.
Here, we have introduced a class of submillimeter-scale soft continuum robots with omnidirectional steering capabilities upon magnetic actuation, based on ferromagnetic soft materials with programmed magnetic polarities in the robot’s body. With a simple yet effective theoretical framework based on continuum mechanics, supported by our model-based finite element simulations, we have established a design strategy to optimize the actuation performance of the proposed ferromagnetic soft continuum robot. The hydrogel skin grown onto the robot’s surface substantially reduced the friction and hence enabled navigation through complex and constrained environments such as tortuous and narrow phantom vasculature. Combined with these steering and navigating capabilities, additional functionalities such as steerable laser delivery were also demonstrated through the incorporation of an optical fiber as a functional core into the robot’s body. Demonstrating these capabilities in realistic, clinically relevant environments in vitro, we have illustrated the applicability of ferromagnetic soft continuum robots for potential medical applications.
An emerging class of magnetically actuated soft robots, which we define as ferromagnetic soft robots, has recently been proposed (28–30) with great promise for biomedical applications, because they can potentially address the abovementioned limitations of conventional soft robots. They are composed of so-called ferromagnetic soft materials, in which magnetized or magnetizable microparticles are uniformly dispersed in soft polymeric matrices. Exploiting magnetic body torques and/or forces generated from the embedded particles under externally applied magnetic fields, ferromagnetic soft robots can be actuated remotely while at the same time controlled accurately based on quantitative models (28–30). Furthermore, the use of ferromagnetic microparticles as distributed actuation sources enables the miniaturization of ferromagnetic soft robots readily to submillimeter scales.
Wist u dat dit bestond ? Ik niet wegens ..... niet op het nieuws.
Zou er een verband kunnen bestaan tussen deze " medical robots " en morgellons die sommigen aantreffen in MM en PCR testen ?
Definitie : "' Morgellons zijn een door de mens in laboratoria en met behulp van nano- en biotechnologie ontwikkelde kunstmatige levensvorm met een zeer complexe opbouw. Er komen onder meer polyester, silicium, diverse metalen, organische (biologische) materialen en nano kristallen in voor.
