CN219333462U

CN219333462U - On-line filter device for glycosylated hemoglobin analyzer

Info

Publication number: CN219333462U
Application number: CN202223495289.8U
Authority: CN
Inventors: 谢凡; 陈生; 董成刚; 马东海
Original assignee: Shandong Tailixin Medical Technology Co ltd
Current assignee: Shandong Tailixin Medical Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-14
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses an online filter device for a glycosylated hemoglobin analyzer, which relates to the technical field of glycosylated hemoglobin analyzers and comprises an outer shell, wherein a filter assembly is arranged in the outer shell and comprises a filter disc upper cover, a filter disc lower cover, a sieve plate, a coarse filter membrane and a fine filter membrane, the filter disc upper cover and the filter disc lower cover are tightly matched and tightly pressed, and the sieve plate, the coarse filter membrane and the fine filter membrane are sequentially arranged from top to bottom. According to the utility model, through the mutual matching among the shell body, the filter disc upper cover, the filter disc lower cover, the sieve plate, the coarse filter membrane and the fine filter membrane, samples enter and flow out through the sieve plate, the coarse filter membrane and the fine filter membrane in sequence and finally flow out through the liquid outlet port, the sieve plate is used for filtering large-particle impurities, and the coarse filter membrane and the fine filter membrane with different filter diameters are arranged, so that the filtering effect can be ensured, the service life of the filter disc can be prolonged to the greatest extent, the too fast blockage is avoided, and convenience is provided for sample detection.

Description

On-line filter device for glycosylated hemoglobin analyzer

Technical Field

The utility model relates to the technical field of glycosylated hemoglobin analyzers, in particular to an online filter device for a glycosylated hemoglobin analyzer.

Background

The glycosylated hemoglobin is formed by non-enzymatic combination of hemoglobin and saccharides, the synthesis process is slow and relatively irreversible, and in clinic, the glycosylated hemoglobin is often required to be analyzed and measured by a glycosylated hemoglobin analyzer, so that the glycosylated hemoglobin is used for auxiliary diagnosis of diseases such as diabetes mellitus and the like.

Because the glycosylated hemoglobin analyzer adopts the liquid chromatography to detect, the impurity in the blood sample needs to be filtered before entering the chromatographic column, otherwise, the impurity in the sample is easy to block or pollute the chromatographic column, and the blocking place needs to be cleaned or replaced frequently, thereby not only increasing the cost, but also bringing inconvenience to the detection, and simultaneously affecting the accuracy of the detection result.

Disclosure of Invention

The utility model aims to solve the problems that impurities in a blood sample directly enter the device without filtering and a glycosylated hemoglobin analyzer is easy to block or pollute a chromatographic column in the prior art, and provides an online filter device for the glycosylated hemoglobin analyzer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an online filter device for glycosylated hemoglobin analysis appearance, includes the shell body, be equipped with filter component in the shell body, filter component includes filter element upper cover, filter element lower cover, sieve, prefilter membrane and milipore filter, filter element upper cover compresses tightly for tight fit with filter element lower cover, sieve, prefilter membrane and milipore filter from the top down arrange in proper order.

As a further description of the above technical solution:

the shell body comprises an upper shell body and a lower shell body, the upper shell body is in threaded connection with the lower shell body, a liquid inlet port is formed in the upper shell body, and a liquid outlet port is formed in the lower shell body.

As a further description of the above technical solution:

the upper shell is fixedly connected with a fastening handle at a position close to the top.

As a further description of the above technical solution:

and a sealing gasket is arranged at the joint of the upper shell and the lower shell.

As a further description of the above technical solution:

the sieve plate is an SPE sieve plate with 20 mu m meshes.

As a further description of the above technical solution:

the coarse filtration membrane adopts a PVDF membrane with an inner aperture of 1.2 mu m, and the fine filtration membrane adopts a PVDF membrane with an inner aperture of 0.45 mu m.

The utility model has the following beneficial effects:

compared with the prior art, this an online filter device for glycosylated hemoglobin analyzer, through the mutual cooperation between shell body, filter element upper cover, filter element lower cover, sieve, coarse filtration membrane and the fine filtration membrane, the sample gets into the back, through sieve, coarse filtration membrane and fine filtration membrane in proper order, finally flow out through the liquid outlet port again, the sieve is used for filtering large granule impurity, and the setting of different filter diameter coarse filtration membrane and fine filtration membrane, can guarantee filterable effect, also can the life of furthest improvement filter element, be unlikely to too fast jam, it is convenient to detect for the sample.

Drawings

FIG. 1 is a schematic diagram showing the structure of an on-line filter device for a glycosylated hemoglobin analyzer according to the present utility model;

FIG. 2 is a cross-sectional view of an in-line filter device for a glycosylated hemoglobin analyzer according to the present utility model;

fig. 3 is an exploded view of an in-line filter device for a glycosylated hemoglobin analyzer according to the present utility model.

Legend description:

1. an outer housing; 101. an upper housing; 102. a lower housing; 103. a liquid inlet port; 104. a liquid outlet port; 2. a filter upper cover; 3. a filter lower cover; 4. a sieve plate; 5. a coarse filtration membrane; 6. a fine filtration membrane; 7. fastening a handle; 8. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides an on-line filter device for a glycosylated hemoglobin analyzer: including shell body 1, shell body 1 includes casing 101 and lower casing 102, go up casing 101 and lower casing 102 threaded connection, be equipped with inlet port 103 on the casing 101, be equipped with outlet port 104 on the lower casing 102, go up casing 101 and be close to top position fixedly connected with fastening handle 7, go up casing 101 and lower casing 102 junction and install sealed pad 8, fastening handle 7 is long handle, increase moment, make things convenient for people to rotate casing 101 and make last casing 101 and lower casing 102 threaded connection, sealed pad 8's setting, then guaranteed the leakproofness in the shell body 1, prevent the blood sample excessive.

The filter assembly is arranged in the outer shell body 1 and comprises a filter disc upper cover 2, a filter disc lower cover 3, a screen plate 4, a coarse filter membrane 5 and a fine filter membrane 6, wherein the filter disc upper cover 2 and the filter disc lower cover 3 are tightly matched and tightly pressed, and the screen plate 4, the coarse filter membrane 5 and the fine filter membrane 6 are sequentially arranged from top to bottom.

Further, the sieve plate 4 is a SPE sieve plate with 20 mu m meshes, the coarse filter film 5 is a PVDF film with an inner pore diameter of 1.2 mu m, the fine filter film 6 is a PVDF film with an inner pore diameter of 0.45 mu m, the sieve plate 4 is used for filtering large-particle impurities, and the coarse filter film 5 and the fine filter film 6 with different filter diameters are arranged, so that the filtering effect can be ensured, the service life of a filter sheet can be prolonged to the greatest extent, and the filter sheet is not blocked too fast.

The utility model can explain its functional principle by the following modes of operation:

when the device is used, a blood sample enters the outer shell 1 through the liquid inlet 103, the blood sample after entering sequentially flows through the sieve plate 4, the coarse filtration membrane 5 and the fine filtration membrane 6 for filtration, the filtered sample flows outwards through the liquid outlet 104, large-particle impurities in the sample can be effectively filtered by utilizing the sieve plate 4, and the coarse filtration membrane 5 and the fine filtration membrane 6 can filter other impurities according to the sequence from large to small, so that the impurities in the sample are prevented from blocking or polluting a chromatographic column, and convenience is brought to sample detection.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An on-line filter device for a glycosylated hemoglobin analyzer, characterized by: including shell body (1), be equipped with filter component in shell body (1), filter component includes filter disc upper cover (2), filter disc lower cover (3), sieve (4), coarse filtration membrane (5) and fine filtration membrane (6), filter disc upper cover (2) compress tightly for tight fit with filter disc lower cover (3), sieve (4), coarse filtration membrane (5) and fine filtration membrane (6) from the top down arrange in proper order.

2. An in-line filter device for a glycosylated hemoglobin analyzer as defined in claim 1, wherein: the shell body (1) comprises an upper shell body (101) and a lower shell body (102), the upper shell body (101) is in threaded connection with the lower shell body (102), a liquid inlet port (103) is formed in the upper shell body (101), and a liquid outlet port (104) is formed in the lower shell body (102).

3. An in-line filter device for a glycosylated hemoglobin analyzer according to claim 2, characterized in that: the upper shell (101) is fixedly connected with a fastening handle (7) near the top.

4. An in-line filter device for a glycosylated hemoglobin analyzer according to claim 2, characterized in that: a sealing gasket (8) is arranged at the joint of the upper shell (101) and the lower shell (102).

5. An in-line filter device for a glycosylated hemoglobin analyzer as defined in claim 1, wherein: the sieve plate (4) is an SPE sieve plate with 20 mu m meshes.

6. An in-line filter device for a glycosylated hemoglobin analyzer as defined in claim 1, wherein: the coarse filtration membrane (5) is a PVDF membrane with an inner pore diameter of 1.2 mu m, and the fine filtration membrane (6) is a PVDF membrane with an inner pore diameter of 0.45 mu m.