Magnetic particle washing device

A technology for cleaning devices and magnetic particles, which is applied to measuring devices, cleaning hollow objects, cleaning methods, and utensils. It can solve the problems of slow cleaning speed and cumbersome operation, and achieve the effects of precise operation, improved detection speed, and high reliability.

Active Publication Date: 2020-06-19
BIOSCIENCE (TIANJIN) DIAGNOSTIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention aims to propose a magnetic particle cleaning device, which overco

Method used

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Embodiment Construction

[0034] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0035] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention belongs to the technical field of medical detecting devices and particularly relates to a magnetic particle washing device which comprises a mounting rack, wherein a rotary shaft capableof moving up and down is vertically mounted in the mounting rack; a horizontal swing arm is fixedly connected with the upper end of the rotary shaft; a washing head is mounted at the front end of theswing arm; a plurality of washing needles are mounted at the lower end of the washing head; a washing assembly is further mounted in the mounting rack, is fixedly mounted below the washing head and comprises a reaction unit, a vibrating cavity, an annular electromagnet and an excitation source; a plurality of reaction sites in one-to-one correspondence with the washing needles are arranged in thereaction unit; the reaction unit is placed in the vibrating cavity and is detachably connected with the vibrating cavity; the annular electromagnet is mounted at the lower end of the vibrating cavityand is tightly arranged outside the vibrating cavity in a sleeving manner; and the excitation source is mounted below the vibrating cavity and is propped against the vibrating cavity. The invention aims to disclose the magnetic particle washing device which solves the problem that an existing magnetic particle washing device is tedious in operation and lower in washing speed.

Description

technical field [0001] The invention belongs to the technical field of medical detection devices, in particular to a magnetic particle cleaning device. Background technique [0002] Chemiluminescent immunoassay instruments generally use magnetic particles as reaction carriers. In the immune reaction, the bound substances produced by the reaction between the sample and the reagent are attached to the magnetic particles, and the unbound substances are free in the liquid. Through the action of an external magnetic field, the unbound substances are washed and removed, and the bound substances are retained. It has sensitivity and detection It has the advantages of fast speed and good repeatability. [0003] The existing magnetic particle cleaning device has a low degree of automation, the position of the cleaning head is fixed, and only one cuvette can be cleaned at a time. The operation is cumbersome, and the cleaning process takes a relatively large amount of time in the whole...

Claims

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Application Information

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IPC IPC(8): B08B9/20G01N33/543
CPCB08B9/20G01N33/54326
Inventor 刘萍栾大伟刘榕峰
Owner BIOSCIENCE (TIANJIN) DIAGNOSTIC TECH CO LTD
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