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Sample tube transfer device

A transfer device and sample tube technology, used in the preparation of test samples, analytical materials, instruments, etc., can solve the problems of miniaturization of equipment and design constraints of large processing capacity, difficulty in reducing system volume, and complex system, and achieve compact control. Complexity, small range of motion, low pollution effects

Pending Publication Date: 2022-06-28
西安天博医学检验所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The U.S. Patent US7985375B2 Sample preparation system and method for processing clinical specimens discloses a sample liquid transfer system with disc design, the sample receiving part of the system needs to have a special design, and directly configure the integrated opening and closing cover device and pipetting The pipetting position is relatively fixed, so there is a great risk of cross-contamination, and the stroke of the pipette needs to be adaptively designed according to the range of the sample tube receiving part, which makes the system very complicated. Under the requirement of high sample throughput, the system Difficult to shrink in size
The automatic sample processing system disclosed in the U.S. invention patent US5882594A Device and method for automatic sample pretreatment designs a pipette that straddles the sample tube receiving part and the pipetting receiving part. On the other hand, such a long-stroke pipette also occupies too much space, which has serious constraints on the miniaturization of the equipment and the design of large throughput.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0031] figure 1 It is a schematic structural diagram of a sample tube transfer device module implementation provided by the present invention; it includes a sample tube receiving unit 101 having N sample tube receiving units 1011. In order to ensure the operation efficiency of the transfer device, the sample tube receiving unit 1011 has The number N can be 48, 96, 192, 288, 384, etc. The sample tube receiving portion 101 does not need to be specially designed, and the simplest structure with a bearing hole for placing the sample tube can be used. In a simple structural design, the sample loading module of the transfer device is provided with a turntable structure 102 that drives the sample tube receiving portion 101 to change states. Power, the turntable structure 102 is detachably connected with the sample tube receiving part 101, so that the sample tube receiving part 101 can be taken out as a whole, and the purpose of adding the sample container required for the experiment ...

Embodiment 2

[0033] figure 2 It is a schematic structural diagram of the consumables receiving part of a sample tube transfer device provided by the present invention. The switchable turntable structure 102 can include a plurality of engaging structures 1026 of the sample tube receiving parts 101 for fixing and holding the sample tube receiving parts. 101 will not move or dislocate during the transfer of the sample tube. The cross-sectional structure in the direction of a-a in the figure can clearly realize the detailed structural design of the turntable structure 102. The output rotational power of the power source motor 1021 can depend on the accuracy requirements. The small pulley structure transmits motion, which also ensures that the cost of the entire design is low. The pulley transmits motion to the driven wheel 1023, which can drive the driven wheel 1023 to move, and the driven wheel 1023 is connected to the drive shaft 1024 to further transmit the motion. The shaft can be connect...

Embodiment 3

[0035] image 3 It is a schematic diagram of the working principle of a consumable receiving part with different states provided by the present invention. When the number of states in which the driving part can drive the sample tube receiving part to change is 2, the driving part drives the sample tube receiving part to be in the first state. In the state, N / 2 sample tubes of the receiving unit form the first distribution area S10, and when the driving part drives the sample tube receiving part to be in the second state, the remaining N / 2 sample tubes of the receiving unit A second distribution area S20 is formed that has a preset degree of coincidence with the first distribution area, wherein the preset degree of overlap is preferably more than 70%, and more preferably, the degree of overlap can be 100%. The overlapping area in this state is S210. In this state, the motion assist mechanism only needs to cover all areas in state I, and it is not necessary to design the sample...

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Abstract

The invention relates to the field of medicine, in particular to a sample tube transfer device which comprises a sample tube receiving part with N sample tube receiving units, a sample tube clamp for transferring in or out at least one sample tube from the N sample tube receiving units of the sample tube receiving part, and a driving part for driving the sample tube receiving part to be in at least two states, the driving part drives the sample tube receiving part to be in M states (M is greater than or equal to 2), and the sample tubes on the N sample tube receiving units are divided into M distribution areas consisting of the sample tubes of not less than N / M sample tube receiving units, when the driving part drives the sample tube receiving part to be in two set different states, a preset contact ratio is formed between two adjacent distribution areas, and when the sample tube clamp is in the two set different states, the sample tube can be clamped in the preset distribution areas; the device has the beneficial effects that the moving track of a sample tube clamp matched with the device is more fixed by utilizing the coincidence rate of 70% or more and even 100% in different states.

Description

technical field [0001] The invention relates to an automated device and system with sample transfer requirements in the medical field, in particular to a sample tube transfer device. Background technique [0002] Automated analysis equipment is a device that automatically analyzes blood and other biological samples and outputs the results. It is essential in hospitals and medical examination facilities. These automated analysis equipment needs to perform various tests in a short period of time. Among them, medical automatic analyzers for analyzing specific components in living samples (such as blood and urine) are used as an example. This medical automatic analyzer is essential for efficient large, medium and small scale analysis, especially when there are a large number of Hospitals for patients, and clinics contracted to these hospitals or physician offices for analysis in the central scenario analysis. Even in some special occasions, such as public safety and health rela...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/04G01N1/38
CPCG01N35/04G01N1/38
Inventor 蒙武军
Owner 西安天博医学检验所有限公司