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

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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 micr

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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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