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Related Experiment Video

Updated: Feb 2, 2026

The Intra-Aortic Balloon Pump

The Intra-Aortic Balloon Pump

Published on: February 5, 2021

Balloon Pump with Floating Valves for Portable Liquid Delivery.

Yuya Morimoto^1,2, Yumi Mukouyama³, Shohei Habasaki^4,5

¹Center for International Research on Integrative Biomedical Systems (CIBiS), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan. y-morimo@iis.u-tokyo.ac.jp.

|November 9, 2018

Summary

This study introduces a novel balloon pump with adjustable floating valves for precise control of liquid flow rates. This innovation enables customizable microfluidic operations for portable systems.

Keywords:

microfluidic device optofluidic lithography portable device

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Last Updated: Feb 2, 2026

The Intra-Aortic Balloon Pump

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Published on: February 5, 2021

A Rabbit Aortic Valve Stenosis Model Induced by Direct Balloon Injury

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Published on: March 31, 2023

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

Published on: September 2, 2009

Area of Science:

Microfluidics
Biomedical Engineering
Materials Science

Background:

Controlling fluid flow in microfluidic devices is crucial for various applications.
Existing methods for flow control can be complex or lack adaptability.
The development of simple, tunable pumping mechanisms is needed for portable microfluidic systems.

Purpose of the Study:

To develop a novel balloon pump with photoreactive floating valves.
To demonstrate the ability to control discharge flow rates by altering valve properties.
To integrate the developed pump into microfluidic devices for various operations.

Main Methods:

Fabrication of a balloon pump utilizing photoreactive resin for floating valves.
Modulation of valve shape and size through controlled light exposure patterns.
Integration of the tunable balloon pump with microfluidic devices.

Main Results:

Successfully controlled discharge flow rates by adjusting the number and length of floating valves.
Demonstrated simple preparation and customization of balloon pumps with arbitrary discharge properties.
Achieved several microfluidic operations using the integrated balloon pump system.

Conclusions:

The proposed balloon pump with floating valves offers a simple and effective method for flow rate control.
The photoreactive nature of the valves allows for easy customization without altering pump configuration.
This technology holds significant potential as a driving component for portable microfluidic systems.