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Rotary sample adding device and sample adding method

A sample adding device and rotary technology, which is applied in the field of medical devices, can solve the problems of not exceeding and poor mechanical properties, and achieve the effect of reducing bending moment and improving mechanical properties.

Active Publication Date: 2022-07-19
SHENZHEN NEW INDS BIOMEDICAL ENG
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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 provide a rotary sampling device, which aims to solve the problem that the sampling range of the current cantilevered three-axis sampling arm in any direction cannot exceed the arm length in this direction, and the mechanical properties are poor

Method used

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  • Rotary sample adding device and sample adding method
  • Rotary sample adding device and sample adding method
  • Rotary sample adding device and sample adding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] see Figure 1 to Figure 7 , A rotary sample adding device 100 provided by an embodiment of the present invention includes a linear slide table 10, a sample adding module 50 and a rotating cantilever 30, and the sample adding module 50 is used to add samples. A TIP head 51 is generally set on the sample adding module 50 for sampling. Specifically, in this embodiment, the sample adding module 50 is an ADP module. In other embodiments, the sampling module 50 may also be a sampling module composed of a steel needle, a liquid circuit and a plunger pump. The sample adding module 50 is installed on the rotating cantilever 30, and the sample adding module 50 is supported by the rotating cantilever 30, and simultaneously drives the sample adding module 50 to rotate. The rotary cantilever 30 is slidably mounted on the linear slide table 10 , and the rotary cantilever 30 is driven to move linearly by the linear slide table 10 .

[0030] The linear slide table 10 includes a line...

Embodiment 2

[0105] see Figure 8 and Figure 9 , the difference between the rotary sample adding device 100 of this embodiment and the rotary sample adding device of the first embodiment is:

[0106] In this embodiment, the linear drive mechanism 20 includes a drive motor 21 , a driving wheel 22 , a driven wheel 23 and a first conveyor belt 25 . The first conveyor belt 25 is connected to the slider 12 , and the drive motor 21 is fixedly connected to the linear guide rail 11 . The driving wheel 22 is connected with the driving motor 21 , the driven wheel 23 is installed on the end of the linear guide 11 away from the driving wheel 22 , the first conveyor belt 25 connects the driven wheel 23 and the driving wheel 22 , and supports the first conveyor belt 23 and the driving wheel 22 . For the conveyor belt 25 , the driving motor 21 drives the driving wheel 22 to rotate, and drives the first conveyor belt 25 to move. Using the first conveyor belt 25 has the advantages of simple structure, l...

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Abstract

The invention is suitable for the field of medical instruments, and provides a rotary sample adding device and a sample adding method of the rotary sample adding device. The rotary sample loading device includes a linear slide table, a sample loading module and a rotary cantilever. The linear slide table includes a linear guide rail, a sliding block and a linear driving mechanism; the rotary cantilever includes a rotary arm and a rotary driving mechanism, and the rotary driving mechanism is installed on the sliding block. . The sample adding module is driven to rotate by the rotating cantilever to cover the annular area with the length of the rotating arm as the radius, and at the same time, the rotating cantilever is driven to move by the linear sliding table, so that the above-mentioned annular area moves along the linear guide rail to form a waist-shaped coverage area, so that the The length of the coverage area in the direction along the linear guide is the length of the linear guide plus twice the length of the rotating arm; and in the direction perpendicular to the linear guide, the width of the coverage area is twice the length of the rotating arm, then the structure can be The arm length is designed to be relatively shorter to reduce the bending moment on the rotating arm and improve the mechanical properties.

Description

technical field [0001] The invention belongs to the field of medical instruments, and in particular relates to a rotary sample adding device and a sample adding method of the rotary sample adding device. Background technique [0002] In the existing in vitro diagnostic medical devices, the sample adding module needs to directly contact different types of samples (such as patient serum) during the continuous experiment process. In order to avoid contamination during sample addition, sample addition modules using disposable tips (TIP heads) are generally introduced in the industry. Currently, the commonly used sample addition modules are generally ADP (pneumatic pipetting) modules. The current ADP module has the following characteristics: large weight, large volume, pneumatic control mode. In order to realize fast, stable and low-noise sample addition under the conditions of scattered sample addition points, limited sample addition space and many interference factors in the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N35/10
CPCG01N35/1011
Inventor 朱亮尹力童帅易万贯班定平李斯尧
Owner SHENZHEN NEW INDS BIOMEDICAL ENG