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Sampling apparatus of hemorheology instrument

A sampling device and blood rheology technology, applied in the field of medical devices, can solve problems such as low accuracy, waste of resources, and increased costs, and achieve the effects of improving work efficiency, saving costs, improving accuracy and stability

Inactive Publication Date: 2016-05-18
CHONGQING NANFANG NUMERICAL CONTROL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing blood rheometer sampling devices have only one sampling needle, and multiple blood rheometers are required to work to improve efficiency when faced with a large number of blood samples. However, this method will increase costs and cause waste of resources
In addition, the sensing devices used in the lifting arm of the existing blood rheometer during the limit movement of rising and falling, and during the pause of the test tube turntable during the rotation process are all Hall elements, which causes the problem of low accuracy. After a long time of practical use, the problem is particularly prominent

Method used

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  • Sampling apparatus of hemorheology instrument
  • Sampling apparatus of hemorheology instrument
  • Sampling apparatus of hemorheology instrument

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with drawings and embodiments.

[0020] Such as figure 1 and figure 2 As shown, the blood rheometer sampling device mainly includes a casing (not shown in the figure), a sampling needle 2, a needle washer 3, a lifting bracket 1a, a lifting arm 1f and a test tube turntable 4. The lifting bracket 1a is a rectangular tube, the lower end of which is fixedly placed on the casing (not shown in the figure), and the four sides of the rectangular tube are provided with strip-shaped guide grooves along the vertical direction. The motor 1c is installed on the side of the upper end of the lifting bracket 1a. The output shaft of the motor 1c stretches into the lifting bracket 1a and is connected with the driving wheel. The driving wheel is connected with the transmission wheel 1e through the belt 1d. The lifting arm 1f is composed of a tray 1h and a connecting plate, the tray 1h is fixedly connected to the outer...

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Abstract

The invention discloses a sampling apparatus of a hemorheology instrument. The inner end of a lifting arm penetrates through one guide groove to extend into a lifting support and is connected with a driving mechanism, and a light blocking plate is arranged on the lifting arm and is matched with a groove-shaped photoelectric switch. Multiple sampling needles penetrating through a needle cleaning device are arranged at the outer end of the lifting arm. A dividing plate is coaxially arranged under a test tube turntable, slotted holes are formed in the dividing plate, a level gauging through hole is formed beside one slotted hole, a main photoelectric switch matched with the corresponding slotted hole is arranged besides the dividing plate, and an auxiliary photoelectric switch matched with the level gauging through hole is formed. The sampling apparatus of the hemorheology instrument has the advantages that the mode that the multiple sampling needles work simultaneously is adopted, the working efficiency of the single hemorheology instrument is greatly improved, and the cost is saved as a whole. In addition, the accuracy and stability of the hemorheology instrument in the working process are greatly improved by matching the photoelectric switches with the lifting arm and the test tube turntable for usage.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a sampling device for a blood rheometer. Background technique [0002] A hemorheometer is a medical device used to test blood viscosity. The hemometer has a tubular sampling needle for collecting blood samples. Matched with the sampling needle, the sampled blood is placed in the test tube, and the test tube is placed on the test tube turntable. The test tube turntable rotates, and the sampling needles sequentially sample the blood in the test tube. In order to avoid contamination, the sampling needle will pass through the sampling needle cleaner located below it during the working process, and the cleaning of the sampling needle will be completed synchronously when the blood is sampled. [0003] Existing blood rheometer sampling devices have only one sampling needle, and multiple blood rheometers are required to work to improve efficiency when faced with a large number of bl...

Claims

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Application Information

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IPC IPC(8): G01N11/00G01N1/10
CPCG01N1/10G01N11/00
Inventor 蔡泳黄轶
Owner CHONGQING NANFANG NUMERICAL CONTROL EQUIP
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