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A flexible magnetic soft continuum robot for manipulation and measurement at microscale

October 16th, 2023
A flexible magnetic soft continuum robot for manipulation and measurement at microscale
Schematic Illustration of a Soft Continuum Robot. (A) Schematic of the soft magnetic microrobot in the cardiovascular system. The subplot illustrates the real soft continuum microrobot. (B) Schematic illustration of the magnetically driven system. (C) Schematic illustration of squeezing of biological cells. Credit: Cardiovascular Innovations and Applications (2023). DOI: 10.15212/CVIA.2023.0067

Magnetic soft continuum robots have received interest in diverse fields because of their active steering and remote control capabilities. However, a more challenging task is the development of magnetic soft continuum robots for analyzing the mechanical properties of biological tissue during intravascular treatments.

The authors of a new article published in Cardiovascular Innovations and Applications present a force-controlled soft continuum robot with a magnetic end-effector for measurement of biological mechanical properties. The magnetically driven system contains a set of Helmholtz coils and a permanent magnet.

The Helmholtz coils produce an oscillating magnetic field for overcoming friction. The permanent magnet is responsible for steering and providing traction for forward motion. The force on the magnetic tip was calibrated with a soft rod with a known elasticity coefficient.

Experimental results indicated that the magnetic soft continuum robot successfully achieved manipulation and stiffness measurement of biological embryos. This strategy for mechanical property analysis of biological tissue expands the opportunities for use of soft continuum robots and broadens the field of functionalization for continuum microrobots.

More information:
Dan Liu et al, A Flexible Magnetic Soft Continuum Robot for Manipulation and Measurement at Microscale, Cardiovascular Innovations and Applications (2023). DOI: 10.15212/CVIA.2023.0067

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Citation: A flexible magnetic soft continuum robot for manipulation and measurement at microscale (2023, October 16) retrieved 28 November 2024 from https://sciencex.com/wire-news/458919772/a-flexible-magnetic-soft-continuum-robot-for-manipulation-and-me.html
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