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Related Experiment Video

Updated: Jul 18, 2025

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
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A Millimeter-Scale Soft Robot for Tissue Biopsy Procedures.

Daniel Van Lewen1, Taylor Janke1, Ryan Austin1

  • 1Department of Mechanical Engineering, Boston University, Boston, MA, 02215 USA.

Advanced Intelligent Systems (Weinheim an Der Bergstrasse, Germany)
|August 28, 2023
PubMed
Summary
This summary is machine-generated.

This study presents a novel soft robotic platform for minimally invasive lung biopsy, overcoming force transmission limitations in soft surgical robots. The 3.5mm device offers integrated steering, stabilization, and needle deployment for enhanced surgical procedures.

Keywords:
Interventional BronchoscopyLung CancerSoft ActuatorsSoft RoboticsSurgical Robotics

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Area of Science:

  • Medical Robotics
  • Minimally Invasive Surgery
  • Biotechnology

Background:

  • Soft robotics offers safe surgical interactions but faces challenges in force transmission.
  • Millimeter-scale devices are crucial for minimally invasive procedures like interventional bronchoscopy.
  • Existing soft robots lack integrated capabilities for complex surgical tasks.

Purpose of the Study:

  • To develop a soft robotic platform for lung tissue biopsy with enhanced force transmission.
  • To integrate tip steering, stabilization, and needle deployment into a compact, 3.5mm diameter device.
  • To validate the platform's capabilities through design, fabrication, modeling, and in-vitro experiments.

Main Methods:

  • Design and fabrication of a novel soft robotic platform.
  • Modeling of force transmission capabilities.
  • Characterization of bending angle, force transmission, and needle deployment expansion.
  • In-vitro validation in a simulated surgical environment.

Main Results:

  • Successful integration of steering, stabilization, and needle deployment into a 3.5mm soft robot.
  • Quantified performance metrics including bending angle and force transmission.
  • Demonstrated feasibility of the proposed workflow and capabilities in simulated lung biopsy.

Conclusions:

  • The developed soft robotic platform addresses force transmission limitations for minimally invasive surgery.
  • Integrated capabilities enable precise lung tissue biopsy.
  • The platform shows significant potential for advancing interventional bronchoscopy and soft surgical robotics.