Precise administration infusion device based on electrowetting on dielectric

An infusion device and electrowetting technology, applied in the direction of pressure infusion, devices introduced into the body, etc., can solve problems such as insufficient control and infusion control errors, and achieve intelligent liquid medicine delivery, convenient adjustment and real-time control Effect

Active Publication Date: 2016-08-17
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the disadvantage is that the control is not accurate enough, and it is easy to cause errors in the control of infusion due to the error of the mechanical structure.

Method used

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  • Precise administration infusion device based on electrowetting on dielectric
  • Precise administration infusion device based on electrowetting on dielectric
  • Precise administration infusion device based on electrowetting on dielectric

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] The digital microfluidic technology based on the electrowetting effect on the medium specifically refers to the microfluidic technology that changes the wettability of the liquid on the surface of the medium by applying a voltage on the medium, that is, changes the contact angle, so as to specifically control the movement of the droplet. streaming technology. It has many advantages such as simple driving method, strong driving force, strong controllability, high degree of automation, and high degree of integration. It is currently the mainstream technology in the field of digital microfluidics. application prospects.

[0020] combine Figure 1 to Figure 4 , the present invention provides a precise drug delivery and infusion device based on electrowetting on the medium, through the digital microfluidic technology based on the electrowetting on the med...

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Abstract

The invention discloses a precise administration infusion device based on electrowetting on a dielectric. The precise administration and infusion device which is placed horizontally and based on electrowetting on the dielectric is additionally arranged on an infusion hose between a syringe needle of infusion apparatus and a liquid bottle, and then the administration rate of the infusion apparatus can be controlled automatically and precisely through an electrode sequence connected with a controller in a driving device. The device has the advantages that a flow rate control valve or an infusion pump in the infusion apparatus can be replaced, and the flowing speed of liquid drops is controlled automatically and adjustably; the infusion speed and dosage are controlled precisely to each liquid drop, width adjustment and real-time control of the infusion rate are convenient, and intelligent medicine liquid delivery is realized.

Description

technical field [0001] The invention belongs to the technical field of medical equipment and microfluidics, and in particular relates to a precision drug delivery infusion device based on electrowetting on a medium. Background technique [0002] The infusion set refers to a common medical device that is mainly used for intravenous infusion after aseptic treatment and to establish a channel between the vein and the liquid medicine. It is composed of a device, a liquid bottle, a cork piercer, and an inlet pipe air filter connection. Flow regulators cannot accurately measure and control the infusion rate. [0003] The infusion pump is usually a mechanical control device, which controls the infusion speed by acting on the infusion catheter. There are mainly peristaltic control infusion pumps, constant volume control infusion pumps and syringe micro-injection infusion pumps, but they are all mechanically controlled by controlling the infusion hose or syringe to control the rate...

Claims

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Application Information

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IPC IPC(8): A61M5/142
CPCA61M5/142A61M2005/14208
Inventor 王伟强牛嘉琦
Owner NANJING UNIV OF SCI & TECH
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