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Related Experiment Video

Updated: Jun 17, 2025

Three-dimensional Printing of Thermoplastic Materials to Create Automated Syringe Pumps with Feedback Control for Microfluidic Applications
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Open-source spring-driven syringe pump with 3D-printed components for microfluidic applications.

Se Been Park1, Joong Ho Shin1,2

  • 1Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Republic of Korea.

Hardwarex
|August 6, 2024
PubMed
Summary
This summary is machine-generated.

This study presents an affordable, 3D-printed, spring-driven syringe pump for microfluidics. This electricity-free device enables portable point-of-care testing in resource-limited settings.

Keywords:
3D printingMicrofluidicsNonelectricPortableSyringe pump

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Area of Science:

  • Engineering
  • Biomedical Engineering
  • Materials Science

Background:

  • Microfluidic devices require precise fluid flow, crucial for point-of-care testing (POCT).
  • Existing open-source pumps often rely on electricity, limiting their use in resource-limited settings.
  • A portable, inexpensive, and electricity-free pumping solution is needed for widespread microfluidic adoption.

Purpose of the Study:

  • To develop and introduce a novel spring-driven, 3D-printed syringe pump.
  • To provide an electricity-free alternative for operating microfluidic devices.
  • To enable microfluidic applications in low-resource environments.

Main Methods:

  • Fabrication of all pump components using 3D printing technology.
  • Utilizing the torque of a manually wound flat spiral spring to drive the syringe plunger.
  • Implementing interchangeable gear combinations to adjust flow rates based on syringe size and desired velocity.

Main Results:

  • Successful development of a functional, electricity-free syringe pump.
  • Achieved variable flow rates through different syringe sizes and gear ratios.
  • Demonstrated a low fabrication cost of $25-30 per unit.

Conclusions:

  • The proposed syringe pump offers a viable, low-cost solution for microfluidic applications in resource-limited settings.
  • This innovation can significantly promote the use of microfluidics in remote and underserved areas.
  • The device's user-friendly design and ease of assembly further enhance its potential impact.