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Related Experiment Video

Updated: Jan 23, 2026

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators

Published on: April 25, 2020

New Concept for a Thoracic Drainage System Using Magnetic Actuation.

Daisuke Taniguchi^1,2, Keitaro Matsumoto^1,2, Yoshihiro Kondo^2,3

¹Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.

Surgical Innovation

|June 19, 2019

Summary

A new magnetic-actuated thoracic drain allows repositioning within the chest or abdomen, reducing invasiveness. This controllable system proved faster and satisfactory in trials, offering a less invasive drainage solution.

Keywords:

magnet actuator medical-engineering collaboration thoracic drainage

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Area of Science:

Medical Engineering
Thoracic Surgery
Minimally Invasive Procedures

Background:

Thoracic drainage is a common procedure for pleural cavity effusions.
Current thoracic drains lack repositioning capabilities, necessitating reinsertion if misplaced.
A need exists for improved thoracic drainage systems to minimize patient invasiveness.

Purpose of the Study:

To develop and evaluate a novel, controllable thoracic drain system.
To assess the feasibility and efficacy of magnetic actuation for drain manipulation.
To compare the new system against traditional methods in terms of time and invasiveness.

Main Methods:

Development of a magnetic-actuated controllable drain system.
Dry laboratory trials with thoracic and general surgeons, including objective measurements.
Questionnaire assessment of surgeon satisfaction with the new system.
In vivo porcine experiments to evaluate drain tip maneuverability.

Main Results:

The controllable drain system significantly reduced procedure time compared to drain replacement.
Surgeons reported high satisfaction (4.07/5) with the magnetic-actuated drain.
Successful in-cavity repositioning of the drain tip was demonstrated in porcine models.
The system proved effective for both thoracic and abdominal cavity drainage.

Conclusions:

The novel controllable thoracic drain offers a less invasive alternative for patients.
Magnetic actuation enables precise drain tip placement and repositioning.
This technology has the potential to improve patient outcomes in thoracic and abdominal drainage procedures.