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Updated: May 16, 2026

Mechanical Manipulation of Neurons to Control Axonal Development
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Coaxial needle insertion assistant with enhanced force feedback.

Danilo De Lorenzo1, Yoshihiko Koseki, Elena De Momi

  • 1Neuroengineering and Medical Robotics Laboratory, Department of Bioengineering, Politecnico di Milano, 20133 Milano, Italy. danilo.delorenzo@mail.polimi.it

IEEE Transactions on Bio-Medical Engineering
|November 30, 2012
PubMed
Summary
This summary is machine-generated.

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A new robotic assistant enhances surgeon

Area of Science:

  • Robotics
  • Medical Devices
  • Surgical Technology

Background:

  • Image-guided procedures are common, but many needle insertions lack guidance.
  • Haptic feedback is crucial for detecting tissue changes during needle insertion.
  • Shaft friction often masks subtle tip forces, hindering tactile perception.

Purpose of the Study:

  • To introduce a robotic coaxial needle insertion assistant.
  • To enhance operator's perception of forces during needle insertion.
  • To improve needle localization and subsurface structure detection.

Main Methods:

  • Developed a one-degree-of-freedom cable-driven robot.
  • Designed sensors to differentiate needle tip force from shaft friction.
  • Tested operator's ability to detect embedded membranes with different feedback modes.

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Main Results:

  • The robotic assistant provides scaled needle tip force feedback.
  • Separating tip force from shaft friction significantly improves detection.
  • Success rates for membrane detection increased by up to 50% with tip force feedback only.

Conclusions:

  • Robotic assistance can enhance haptic feedback in needle insertion procedures.
  • Providing only needle tip force feedback improves tactile perception of subsurface structures.
  • This technology has potential to improve safety and accuracy in unguided medical procedures.