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Method for controlling movement of micro-bubble through supersonic waves

A technology of micro-bubbles and ultrasound, which is applied in the field of controlling the movement of micro-bubbles and using ultrasonic waves to control the movement of micro-bubbles, achieving the effects of simple and convenient operation, easy integration, and reduced side effects

Active Publication Date: 2016-06-01
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few researches on microbubble motion control. In view of the existing actual situation and the demand for microbubble motion control, the present invention proposes a method for accurately controlling microbubble motion with ultrasonic waves.

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  • Method for controlling movement of micro-bubble through supersonic waves
  • Method for controlling movement of micro-bubble through supersonic waves

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Embodiment Construction

[0014] Such as figure 1 Shown, take the movement of ultrasonic control microbubble in water as example, the specific embodiment of the present invention is:

[0015] The whole device consists of an ultrasonic control component 5, a signal source and an ultrasonic generator 8, a microscopic imaging system 4, a microfluidic device 2 for generating microbubbles, and a power cord connecting the ultrasonic generator and the signal source to the disc ultrasonic transducer 7 and other parts. Among them, the ultrasonic control components are installed in a specially processed transparent cuboid glass box 5. The six sides of the glass box are hollowed out and a disc-shaped ultrasonic transducer 6 is inlaid. The airtightness of the joint of the box is provided with a microbubble introduction and liquid injection hole 9 on the top; a signal source and an ultrasonic generator 8, and the ultrasonic frequency generated is in the range of 20kHz to 2MHz. Nitrogen or air is used as the gas s...

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Abstract

The invention discloses a method for controlling the movement of a micro-bubble through supersonic waves. The method adjusts the phase difference between two opposite supersonic waves through a double-channel signal source, controls the movement of a standing wave field, and indirectly controls the movement of the micro-bubble. The method achieves the control of the movement of the micro-bubble in three directions through employing the cooperation of three orthogonal supersonic wave pairs. The method can control the movement of the micro-bubble, and also can control various types of micro-nano particles. The method is easy to integrate, is safe for a human body, is simple and convenient for operation, and enables the deeper application of the micro-bubble in the medical field and other fields to be possible.

Description

technical field [0001] The invention relates to a method for controlling the motion of micro-bubbles, in particular to a method for controlling the motion of micro-bubbles with ultrasonic waves, and belongs to the field of fluid machinery. Background technique [0002] Microbubbles specifically refer to bubbles with a diameter ranging from several microns to hundreds of microns. In recent years, research on microbubbles and their applications has become a hot topic, and microbubbles are widely used in medicine, petroleum, environment, mining, chemical industry, power, metallurgy, nuclear energy and other fields. [0003] Ultrasound is a mechanical density wave with a frequency exceeding 20kHz, which has been widely used in clinical diagnosis and treatment. Ultrasound diagnostic technology is recognized as the safest, quickest and low-cost scanning detection method, and microbubbles based on surfactant or polymer coating have become the most effective ultrasound imaging cont...

Claims

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Application Information

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IPC IPC(8): A61N7/00
CPCA61N7/00A61N2007/0004A61N2007/0039A61N2007/0043
Inventor 包福兵项素娟凃程旭林建忠尹招琴
Owner CHINA JILIANG UNIV
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