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Related Experiment Video

Updated: Jun 29, 2026

Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation

Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation

Published on: August 2, 2016

Micro-scale thermal tissue gripper.

A J Knulst¹, K Maaijwee, J C van Meurs

¹Department of BioMechanical Engineering, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Delft, the Netherlands. a.j.knulst@tudelft.nl

Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy

|October 11, 2008

Summary

This summary is machine-generated.

This study introduces indirect Heat Induced Attachment and Detachment (HIAD) for precise tissue manipulation in surgery. The new method enables secure tissue attachment and detachment with minimal damage, offering a promising surgical tool.

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Area of Science:

Biomedical Engineering
Ophthalmic Surgery
Materials Science

Background:

Translocating retinal grafts during eye surgery is challenging due to the risk of damaging delicate tissue layers with current instruments.
Existing surgical tools lack the precision required for safe and effective tissue manipulation in delicate procedures.

Purpose of the Study:

To present indirect Heat Induced Attachment and Detachment (HIAD) as a novel concept for surgical tissue handling.
To evaluate the efficacy and safety of a prototype HIAD device for tissue attachment and detachment.

Main Methods:

A prototype device utilizing a 50 µm molybdenum wire heated by electric current was developed.
Experiments were conducted on submerged chicken meat (n=60) to assess attachment and detachment properties.
Varying electric signal lengths (0.6-1.5 ms) and energy levels (41-110 mJ) were applied to the prototype.

Main Results:

The HIAD prototype demonstrated high success rates: 98% for attachment and 90% for detachment.
Attachment strength was measured at approximately 0.2 mN.
Minimal visible tissue damage (approx. 0.005 mm²) was observed, indicating a safe interface.

Conclusions:

Indirect HIAD is an effective method for controlled tissue attachment and detachment in surgical settings.
The developed prototype shows potential for various surgical applications requiring precise tissue manipulation.
This technique offers a safer alternative for delicate surgeries, minimizing iatrogenic damage.