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Pneumatic injector used for micro-operation robot system

A robot system and syringe technology, applied in biochemical instruments, methods of sampling biological materials, biochemical equipment and methods, etc., can solve the problems of linearity, stability and repeatability of air pressure, unfavorable pressure value analysis and control, etc. , to achieve the effects of improved test stability, stable air pressure, good linearity and repeatability

Inactive Publication Date: 2016-03-23
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the linearity, stability and repeatability of the air pressure in the existing micro-operated pneumatic injector are not high, which is not conducive to the analysis and control of the pressure value, and to provide a pneumatic injector for the micro-operated robot system

Method used

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  • Pneumatic injector used for micro-operation robot system
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  • Pneumatic injector used for micro-operation robot system

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Embodiment 1

[0031] Such as Figure 1 to Figure 3 As shown, the pneumatic injector for the micro-operation robot system provided by the present invention mainly includes the following three parts: 1) the air circuit part; 2) the mechanical structure part; 3) the air pressure display and the motor control part;

[0032] First, the gas circuit part includes: a small syringe and a large syringe connected to each other by a connecting pipe and a joint. After the pressure accumulation of the large syringe, the volume change of the small syringe causes a small pressure change, thereby improving the resolution;

[0033] For specific operations, prepare the required types of syringes, connecting tubes, connectors, etc., such as but not limited to spiral syringes, 1 / 16inch silicone tubes, Luer connectors, etc.; connect the basic materials as needed (see figure 1 ). Among them, the joint is preferably one model larger than the hose.

[0034] Second, the mechanical structure part: as attached fig...

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Abstract

The invention relates to a pneumatic injector used for a micro-operation robot system. The pneumatic injector used for the micro-operation robot system has good stability, linearity and repeatability, and the gas pressure range and the resolution ratio can be adjusted according to test requirements. The pneumatic injector mainly comprises a gas circuit part, a mechanical structure and a gas pressure display and motor control part, wherein the gas circuit part is composed of a small injector body and a large injector body which are communicated with each other through a connecting pipe and a connector; the mechanical structure is used for clamping the injector and driving a pushing rod of the injector to move; the gas pressure display and motor control part comprises a control chip in communication with an upper computer, two motor driving chips connected with the control chip, a display screen and a gas pressure sensor chip installed in the gas circuit part, and the two motor driving chips are connected with and used for driving one stepping motor.

Description

technical field [0001] The invention relates to a pneumatic injector for a micro-manipulation robot system, which belongs to the field of micro-manipulation equipment. Background technique [0002] In the micro-manipulation robot system, the pressure in the microneedle tube is controlled by changing the stroke of the pneumatic or hydraulic syringe, so as to achieve the purpose of controlling the absorption of cells by the suction needle or the injection of substances by the injection needle. In cell micromanipulation, a slight change in the pressure inside the microneedle will affect the injection volume of the injection needle, or the activity of the absorbed cells in the suction needle, thereby affecting the later culture of the cells and even causing the failure of the cell operation. [0003] The traditional micro-operated pneumatic injector controls the air pressure by controlling the valve opening of the gas storage tank. There are the following problems in operation: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/26
CPCC12M33/04
Inventor 孙明竹李娜赵新秦岩丁
Owner NANKAI UNIV
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