Liquid transfer stirring device and stirring quantification method thereof
A stirring device and pipetting technology, applied in the field of medical equipment, can solve problems such as the inability to quantify the stirring amplitude and stirring frequency at the same time, and the inability to accurately evaluate the stirring effect, etc.
Active Publication Date: 2019-12-03
深圳雷杜生命科学股份有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide a liquid pipetting and stirring device and its stirring quantitative method, aiming to solve the problem that the liquid pipetting device in the prior art cannot realize simultaneous quantitative control of stirring amplitude and stirring frequency, and cannot accurately evaluate the stirring effect question
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[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0031] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...
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The invention discloses a liquid transfer stirring device and a stirring quantification method thereof. The liquid transfer stirring device includes a sampling needle, a mechanical arm for moving thesampling needle, a vibration motor with adjustable speed to drive the stirring of the sampling needle, and a reaction cup for holding the solution; the sampling needle is mounted on the end of the mechanical arm and is arranged towards the reaction cup; the liquid transfer stirring device also includes a detection device for detecting stirring data of the sampling needle; the detection device includes a calibration device which can electrically connected to the sampling needle, a driving device for driving the movement of the calibration device, and a metering device for obtaining electrical connection data of the calibration device and the sampling needle; the calibration device is located between the sampling needle and the reaction cup; the calibration device is provided with a test hole position for the sampling needle to pass through and electrically connect the calibration device, and a stirring hole position for the sampling needle to pass through; and the diameter of the stirring hole position is larger than the diameter of the test hole position. According to the liquid transfer stirring device and the stirring quantification method thereof provided by the invention, the stirring effect of the sampling needle can be quantified by the sampling needle stirring frequency and the stirring amplitude at different hole positions.
Description
technical field [0001] The invention relates to the technical field of medical equipment, and in particular provides a liquid transfer stirring device and a stirring quantification method thereof. Background technique [0002] During the sample detection process, samples and reagents need to be sampled, pipetted, and the reaction solution is stirred. The existing liquid pipetting device and the stirring device are usually two independent parts, the manufacturing cost is high, and the space occupied is large. An existing pipetting device for sampling and pipetting uses a motor to drive the sampling needle to swing. Although the pipetting device has a stirring function at the same time, the stirring effect is affected by the stirring amplitude and stirring frequency. The device cannot realize simultaneous quantitative control of the stirring amplitude and stirring frequency, and cannot accurately evaluate the stirring effect. Contents of the invention [0003] The purpose ...
Claims
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Login to View More IPC IPC(8): G01N1/38G01N1/14B01F11/00
CPCG01N1/38G01N1/14B01F31/20
Inventor 马杰赖汝胜
Owner 深圳雷杜生命科学股份有限公司