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Large sample urinary sediment filtration observation system

An observation system and urine sediment technology, applied in the field of diagnosis of urinary calculi, can solve the problem of wasting samples, achieve the effects of large sample loading, convenient qualitative inspection, and recurrence prevention

Pending Publication Date: 2019-07-09
SIHONG ZHENGXING MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The average person urinates 300-400ml each time, and the middle urine also has 200-300ml, but only 5-10ml is taken in the clinical urine test, which wastes a lot of samples

Method used

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  • Large sample urinary sediment filtration observation system
  • Large sample urinary sediment filtration observation system
  • Large sample urinary sediment filtration observation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figure 1-3 As shown, the large sample urine sediment filtration observation system of this embodiment is composed of a sample bag 8 , an observation tube 1 and a first filtration device 3 in series. The sample bag 8 is located at the top of the system. It is an open bag made of transparent plastic film with a volume of 1000ml. The opening is provided with a sealing strip 9 for closing the opening of the sample bag 8 to prevent sample contamination. Handle 10 is arranged on sample bag 8, is convenient to hang. There is a liquid outlet at the bottom of the sample bag 8, and a plastic hose 14 that is convenient for cutting is connected with the observation tube 1.

[0036] The observation tube 1 has a flat shape and an inner cavity. The two ends of the observation tube 1 are made of hard plastic, the middle section is a pipe made of elastic transparent silica gel, and one side is bonded to the counting surface 16 made of hard transparent plastic. , the other si...

Embodiment 2

[0045] Such as Figure 4 As shown, the large-sample urine sediment filtration observation system of this embodiment is similar to Embodiment 1, the difference is that a second filtration device 11 is connected between the sample bag 8 and the observation tube 1, and its structure is the same as that of the first filtration device. 3 is the same, with a cylindrical filter cavity 4, a disc-shaped filter element 5 is arranged in the filter cavity 4, the shape of the filter element 5 fits with the filter cavity 4, and the filter element 5 is a polytetrafluoroethylene (PTEE) microporous filter membrane , The filter pore size is 1000 microns, which can initially filter out mucus filaments and larger impurities. Even if the user does not take the middle urine as prescribed, the impact on the filtration of urine crystals is minimal. Using method is as embodiment 1.

Embodiment 3

[0047] Such as Figure 5 As shown, the large-sample urine sediment filtration observation system of this embodiment is similar to that of Embodiment 2, except that a second observation tube 12 is connected below the observation tube 1, and the lower end of the second observation tube 12 is directly connected to the third filtration device 13. The structure of the second observation tube 12 is the same as that of the upper observation tube 1 . The structure of the third filtering device 13 is the same as that of the second filtering device 11 and the first filtering device 3 . The pore size of the filter core in the second filtering device 11 is 100 microns, which is used to filter out larger tube shapes; the pore size of the filter core in the first filtering device 3 is 20 microns, which is used to filter out urine crystals. The filter element in the third filtering device 13 has a pore size of 7 microns and is used to filter out cells. Using method is as embodiment 1.

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Abstract

The invention discloses a large sample urinary sediment filtration observation system formed by serially connecting a sample bag, an observation tube and a filtering device, wherein the sample bag islocated at the uppermost part of the system; the observation tube has a flat shape, a lumen and an observation surface that is made of flexible and transparent material, and the volume is variable; the lower end of the observation tube is connected to the filtering device that comprises a filtration chamber and a filter element, and the filter element is disposed in the filtration chamber. The system provided by the invention is simple and easy to operate, without polluting the sample and without easily contaminating the urine, and is suitable for non-professionals to use at home. By filteringmore urine, more urine crystals are accumulated in the observation tube to double the urine crystallization detection rate, which can easily and timely discover the hidden dangers of stones, preventphysical damage through early prevention and reduce the medical burden of individuals and countries.

Description

technical field [0001] The invention relates to the field of diagnosing urinary stones, in particular to a large-sample urinary sediment filtration observation system. Background technique [0002] Urinary calculus is one of the most common urological diseases, and it is also one of the difficult diseases faced by doctors, with an incidence rate of 5-10%. Archaeologists have documented the existence of urinary stones as early as 7,000 years ago, seen in Egyptian mummies. The incidence rate in some areas of our country is 10-20%. Urinary calculus can also induce renal function damage and failure, seriously endangering people's health and quality of life. [0003] The formation of urinary stones has external and internal factors. The external factors mainly include natural environment (geographical location) or social environment (diet), and the internal factors mainly include genetic factors, metabolic abnormalities and problems of the urinary system itself (such as obstruct...

Claims

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Application Information

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IPC IPC(8): G01N21/21B01D36/00
CPCB01D36/00G01N21/21
Inventor 郑杨郑兴
Owner SIHONG ZHENGXING MEDICAL TECH CO LTD
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