Related Experiment Video
Updated: Sep 13, 2025
03:55
Author Spotlight: Enhancing Grasping Abilities for Hemiplegic Patients with Flexible Robotic Limbs
Published on: October 27, 2023
2.3K
Feasibility study on contactless infusion pump based on giant magnetostrictive actuator
Xuhui Liu1, Xiangbo Han1, Yuge Fu1
1School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, China.
The Review of Scientific Instruments
|August 1, 2025
Summary
This study introduces a novel infusion pump design using a giant magnetostrictive actuator (GMA) to overcome accuracy issues in microflow rate drug delivery. The GMA-based pump demonstrates feasibility for precise microinfusion applications.
Area of Science:
- Biomedical Engineering
- Materials Science
Background:
- Traditional infusion pumps struggle with accuracy and stability at microflow rates.
- Microinfusion requires precise and reliable drug delivery mechanisms.
Purpose of the Study:
- To propose and evaluate a new infusion pump design utilizing a giant magnetostrictive actuator (GMA).
- To address limitations in accuracy and stability of existing microflow rate infusion pumps.
Main Methods:
- Conceptual design and working principle of a GMA-based infusion pump were introduced.
- Experimental testing of the giant magnetostrictive actuator (GMA) core device.
- Evaluation of drug delivery performance using a standard syringe under specific current and preload conditions.
Main Results:
- The GMA successfully actuated a 1 mm syringe for drug delivery.
- Achieved flow rates ranged from 0.85-4.47 μl/s under input currents of 0.5-2 A and 200 N preload.
- Demonstrated capability for microflow rate transfusion, meeting specification requirements.
Conclusions:
- Infusion pumps based on giant magnetostrictive actuators (GMA) are feasible for microflow conditions.
- The GMA shows potential as a driving element for developing advanced infusion pumps with improved precision.
- The proposed design offers a viable solution for accurate and stable microinfusion.
