CN110749548A - A kind of easy-to-clean cuvette and cleaning method thereof - Google Patents

Abstract

The invention discloses a colorimetric cup that is easy to clean, comprising a colorimetric cup, a cleaning hole is drilled at the lower end of the colorimetric cup, a cleaning pad is arranged on the cleaning hole, and the cleaning pad is made of a material with good elasticity and softness. A cuvette that is easy to clean, the cleaning method is as follows, and the operation steps are as follows: a. a cleaning device is arranged on the lower side of the cleaning pad, the cleaning device includes a cleaning needle, the cleaning needle pierces the cleaning pad and inserts it into the cuvette, The residual liquid detected in the cuvette is sucked out; b. the cleaning needle that sucks out the residual liquid is pulled out from the cuvette, at this time, the cleaning pad is easy to close by itself; a cuvette in the present invention and the same are easy to clean; The cleaning method is to set a cleaning needle at the bottom of the cuvette, first suck the detection liquid in the cup, and then inject the cleaning liquid for cleaning, and wash from the bottom side, which is easy to reduce the residue of the detection liquid and cleaning liquid, and is convenient to ensure that the cuvette can be cleaned again. The accuracy of the data at the time of detection.

Description

A kind of easy-to-clean cuvette and cleaning method thereof

technical field

The invention relates to the technical field of biochemical analysis and detection, in particular to a cuvette that is easy to clean and a cleaning method thereof.

Background technique

A biochemical analyzer, also often called a biochemical analyzer, is an instrument that uses the principle of photoelectric colorimetry to measure a specific chemical composition in body fluids. Because of its fast measurement speed, high accuracy and small consumption of reagents, it has been widely used in hospitals, epidemic prevention stations and family planning service stations at all levels. The combined use can greatly improve the efficiency and benefits of routine biochemical testing.

In the prior art, the cleaning of the cuvette is inconvenient, and a cleaning needle needs to be added to the upper end of the cuvette. In this way, the cleaning device is prone to conflict with other devices, and the cleaning needle is used for cleaning, and it is easy to have a part at the bottom of the cuvette. Residues will affect the cleaning times and cleanliness to varying degrees, resulting in low work efficiency and increased cross-contamination rate.

Therefore, in view of the above technical problems, it is necessary to provide a cuvette that is easy to clean and a cleaning method thereof.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a kind of cuvette that is easy to clean and a cleaning method thereof, wherein a cleaning needle is arranged at the bottom of the cuvette, the detection liquid in the cup is sucked away first, and then the cleaning solution is injected into the cuvette for cleaning. The lower side is washed, which is easy to reduce the residue of detection liquid and cleaning liquid, and it is convenient to ensure the accuracy of the data when the cuvette is detected again.

In order to achieve the above purpose, the technical solution provided by an embodiment of the present invention is as follows:

A colorimetric cup that is easy to clean includes a colorimetric cup, a cleaning hole is drilled at the lower end of the colorimetric cup, a cleaning pad is arranged on the cleaning hole, and the cleaning pad is made of a material with good elasticity and softness. In this way, a cleaning needle is arranged on the lower side of the cleaning pad.

A kind of cuvette which is easy to clean, its cleaning method is as follows, and its operation steps are as follows:

a. A cleaning device is provided on the lower side of the cleaning pad, and the cleaning device includes a cleaning needle, and the cleaning needle pierces the cleaning pad and is inserted into the cuvette to suck out the residual liquid detected in the cuvette;

b. Pull out the cleaning needle that sucked out the residual liquid from the cuvette. At this time, the cleaning pad is easy to close by itself, and the cleaning needle moves the detection liquid sucked out of the cuvette to a suitable position;

c. The cleaning needle absorbs the liquid from the cleaning solution, and can simultaneously clean the cleaning needle and the cuvette or clean itself first, and then the cleaned cleaning needle absorbs the cleaning solution and inserts it into the cuvette again through the cleaning pad, and the cleaning needle is inserted into the cuvette. The inner cleaning liquid is injected into the cuvette for cleaning. After cleaning, the cleaning needle sucks out the liquid in the cuvette again and discharges it to other suitable positions. This step can be repeated many times.

As a further improvement of the present invention, the cleaning pad includes an upper limit pad, a middle limit pad and a lower limit pad. The diameters of the upper limit pad and the lower limit pad are larger than the inner diameter of the cleaning hole, and the middle limit pad is slightly larger than the inner diameter of the cleaning hole. smaller than the inner diameter of the cleaning hole.

As a further improvement of the present invention, the cleaning holes are provided with rounded corners.

As a further improvement of the present invention, the cuvette includes a cup wall and a cup bottom, and the cleaning hole is located at the lower end of the cup wall.

As a further improvement of the present invention, the cleaning hole is located on the bottom of the cup.

As a further improvement of the present invention, the included angle between the cup bottom and the cup wall is greater than 90°.

As a further improvement of the present invention, the aperture range of the cleaning needle is: 0.01-3 mm.

As a further improvement of the present invention, a plurality of the cuvettes are not fixedly connected to form an annular partition detection device.

As a further improvement of the present invention, a plurality of the cuvettes are fixedly connected to form a whole disc-shaped partition detection device.

The beneficial effects of the present invention are as follows: in the present invention, a cuvette that is easy to clean and a cleaning method thereof are provided with a cleaning needle at the bottom of the cuvette, first sucking away the detection liquid in the cup, and then injecting the cleaning liquid for cleaning, Washing from the lower side is easy to reduce the residue of detection liquid and cleaning liquid, and it is convenient to ensure the accuracy of data when the cuvette is detected again.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments described in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the exploded structure schematic diagram of a kind of easy-to-clean cuvette in a specific embodiment of the present invention;

2 is a schematic structural diagram of a cleaning pad in a cuvette that is easy to clean according to a specific embodiment of the present invention;

3 is a schematic structural diagram of a cuvette removal cleaning device that is convenient for cleaning in a specific embodiment of the present invention;

4 is a schematic structural diagram of an overall detection device in a cuvette that is easy to clean and a cleaning method thereof according to a specific embodiment of the present invention.

In the picture: 1. Cuvette, 101. Cup wall, 102. Cup bottom, 2. Cleaning hole, 3. Cleaning pad, 301. Upper limit pad, 302. Middle limit pad, 303. Lower limit pad, 4. Clean the needle.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the various figures of the present invention, some dimensions of structures or parts are exaggerated relative to other structures or parts for convenience of illustration, and thus are only used to illustrate the basic structure of the subject matter of the present invention.

Terms such as "left", "right", "left side", "right side" and the like that refer to relative positions in space are used herein for convenience of description to describe an element or feature as shown in the figures relative to one another. A relationship to another unit or feature. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. For example, if the device in the figures is turned over, elements described as being on the "right" side of other elements or features would then be oriented on the "left side" of the other elements or features. Thus, the exemplary term "right side" can encompass both left and right orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to FIGS. 1 to 4 , in a specific embodiment of the present invention, a cuvette that is easy to clean includes a cuvette 1, and the cuvette 1 is used to hold detection reagents and substances to be tested, and the colorimetric The lower end of the cup 1 is drilled with a cleaning hole 2. The cleaning hole 2 is used to fix and limit the cleaning pad 3, and it is easy to provide a channel for the cleaning needle 4 to enter and exit the cuvette 1. The cleaning hole 2 is provided with a cleaning pad 3. The cleaning pad 3 is used to enable the cleaning needle 4 to pierce itself and communicate with the inside of the cuvette 1, and after the cleaning needle 4 is pulled out, the cleaning pad 3 is not easy to make the liquid in the cuvette 1 flow out, and the cleaning pad 3 is elastic, soft and resilient. It is made of good material, and the elasticity, toughness and ductility of the material with good elasticity, softness and recovery are better. After the needle is inserted and pulled out, the liquid in the cuvette 1 is not easy to flow out from here, and after repeated use, The cleaning pad 3 can be replaced, and a cleaning needle 4 is arranged on the lower side of the cleaning pad 3, and the cleaning needle 4 is easily inserted into the cuvette 1 from the lower end of the cleaning pad 3 to clean it.

A kind of cuvette which is easy to clean, its cleaning method is as follows, and its operation steps are as follows:

a. The lower side of the cleaning pad 3 is provided with a cleaning device, the cleaning device includes a cleaning needle 4, and the cleaning needle 4 pierces the cleaning pad 3 and is inserted into the cuvette 1 to suck out the residual liquid detected in the cuvette 1;

b. Pull out the cleaning needle 4 that sucks out the residual liquid from the cuvette 1, at this time, the cleaning pad 3 is easy to close by itself, and the cleaning needle 4 moves the detection liquid sucked out of the cuvette 1 to a suitable position;

c. The cleaning needle 4 sucks the liquid from the cleaning solution, and can simultaneously clean the cleaning needle 4 and the cuvette 1 or clean itself first, and then the cleaned cleaning needle 4 sucks the cleaning solution and inserts the cuvette through the cleaning pad 3 again. In 1, the cleaning liquid in the cleaning needle 4 is injected into the cuvette 1 for cleaning. After cleaning, the cleaning needle 4 sucks out the liquid in the cuvette 1 again and discharges it to other suitable positions. This step can be repeated many times.

Please refer to FIG. 1 , the cleaning pad 3 includes an upper limit pad 301 , a middle limit pad 302 and a lower limit pad 303 . The diameters of the upper limit pad 301 and the lower limit pad 303 are larger than the inner diameter of the cleaning hole 2 , and the middle limit pad 302 is slightly larger than the inner diameter of the cleaning hole 2 . It is smaller than the inner diameter of the cleaning hole 2, so that the cleaning pad 3 is not easy to fall off from the cleaning hole 2, which affects the detection process; the cleaning hole 2 is provided with rounded corners, which is easy to install the cleaning pad 3 to the cleaning hole 2, and it is also easy to replace the cleaning pad 3; the cuvette 1 includes a cup wall 101 and a cup bottom 102, the cleaning hole 2 is located at the lower end of the cup wall 101, the cleaning hole 2 is located at the lower end of the cup wall 101, that is, the cleaning pad 3 is located at the lower end of the cup wall 101, and the cleaning needle 4 pierces After the cleaning pad 3 is inserted into the cuvette 1, it is also easy to insert into the lowest end of the cuvette 1, which is convenient for sucking out the liquid at the bottom of the cuvette 1; the cleaning hole 2 is located on the bottom of the cup 102, that is, the cleaning pad 3 is located in the cup On the bottom 102, the cleaning needle 4 pierces the cleaning pad 3 and is inserted into the cuvette 1, so that the liquid at the bottom of the cuvette 1 can be easily sucked; The liquid in the cup 1 is easy to gather at the bottom 102 of the cup, and it is easy to suck the liquid out; the aperture range of the cleaning needle 4 is: 0.01-3mm, and the area where the cleaning needle 4 pierces the cleaning pad 3 is small. After being pulled out from the top of 3, it is convenient for the cleaning pad 3 to be tight and compact, so that the liquid in the cuvette 1 is not easy to flow out from the cleaning pad 3; a plurality of cuvettes 1 are not fixedly connected to form a ring-shaped partition detection device, which is convenient for multiple sets of detection tests at the same time. , it is easy to improve work efficiency; a plurality of cuvettes 1 are fixedly connected to form a disc-shaped partition detection device as a whole, which is convenient for taking out the detection device as a whole for replacement or cleaning.

When installing, please refer to Fig. 1, install the cleaning device in the biochemical analyzer, make the cleaning needle 4 upward, and then fix the cup wall 101 and the cup bottom 102, wherein the cup bottom 102 is provided with a cleaning hole 2, and the upper limit The pad 301 is snapped into the cleaning hole 2, so that the middle limit pad 302 just blocks the cleaning hole 2, and the lower limit pad 303 is just blocked on the outside of the cleaning hole 2. the upper side of the device, and the cleaning pad 3 is located just above the cleaning needle 4 .

When using, please refer to Figure 3, add the detection reagent and the substance to be tested into the cuvette 1, start the biochemical analyzer, after the substances in the cuvette 1 are fully mixed, the biochemical analyzer is easy to compare the mixed substances in the cuvette 1. As a result of the detection, after the detection is completed, stop the biochemical analyzer, start the cleaning device, make the cleaning needle 4 pierce the cleaning pad 3 and insert it into the cuvette 1, extract the mixed liquid in the cuvette 1, and remove the bottom of the cuvette 1. The mixed solution is also cleaned, and it is not easy to produce residues, and then the cleaning needle 4 takes the mixed solution out of the cleaning pad 3. After the cleaning needle 4 is pulled out, the cleaning pad 3 is easy to be tightly compacted again, so that the liquid in the cuvette 1 is not easy to The mixed liquid flows out from the cleaning pad 3, and the mixed liquid is transferred to a suitable position by the cleaning needle 4, and then the cleaning needle 4 inhales the cleaning liquid to clean itself first, and the cleaned cleaning needle 4 inhales the cleaning liquid again, pierces the cleaning pad 3 and inserts the In the cuvette 1, spray the cleaning liquid into the cuvette 1, after cleaning the cuvette 1, the cleaning needle 4 sucks out the cleaning liquid in the cuvette 1 again, which is also easy to make the bottom of the cuvette 1 without cleaning. This step can be repeated many times, which is convenient for cleaning the inside of the cuvette 1 and helps to ensure the accuracy of the data in the next detection.

As can be seen from the above technical solutions, the present invention has the following beneficial effects:

In the present invention, a cuvette that is easy to clean and a cleaning method thereof are provided with a cleaning needle at the bottom of the cuvette, first sucking away the detection liquid in the cup, and then injecting the cleaning liquid for cleaning, washing from the lower side, which is easy to reduce The residue of detection liquid and cleaning liquid is convenient to ensure the accuracy of data when the cuvette is detected again.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. The cuvette convenient to clean is characterized by comprising a cuvette (1), wherein a cleaning hole (2) is formed in the lower end of the cuvette (1), a cleaning pad (3) is arranged on the cleaning hole (2), the cleaning pad (3) is made of a material with good elastic soft resilience, and a cleaning needle (4) is arranged on the lower side of the cleaning pad (3).

2. The cuvette according to claim 1, wherein the cuvette is cleaned by the following steps:

a. a cleaning device is arranged on the lower side of the cleaning pad (3), the cleaning device comprises a cleaning needle (4), the cleaning needle (4) pierces through the cleaning pad (3) and is inserted into the cuvette (1), and residual liquid detected in the cuvette (1) is sucked out;

b. pulling out the cleaning needle (4) sucking out the residual liquid from the cuvette (1), wherein the cleaning pad (3) is easy to close automatically, and the cleaning needle (4) moves out the detection liquid sucked out from the cuvette (1) to a proper position;

c. wash needle (4) and absorb liquid from the washing liquid, can wash needle (4) and cell (1) or wash of self earlier, then the washing needle (4) that washs clean absorbs the washing liquid and inserts in cell (1) through washing pad (3) department again, wash in will washing needle (4) interior washing liquid injection cell (1), after the washing, wash needle (4) again with cell (1) interior liquid suction, arrange other suitable positions, can repeat this step many times.

3. Cuvette convenient for washing according to claim 1, characterized in that the washing pad (3) comprises an upper limiting pad (301), a middle limiting pad (302) and a lower limiting pad (303), the diameter of the upper limiting pad (301) and the lower limiting pad (303) is larger than the inner diameter of the washing hole (2), and the middle limiting pad (302) is slightly smaller than the inner diameter of the washing hole (2).

4. Cuvette convenient to clean according to claim 1, characterized in that the cleaning hole (2) is provided with rounded corners.

5. Cuvette convenient to clean according to claim 1, characterized in that the cuvette (1) comprises a wall (101) and a bottom (102), and the cleaning hole (2) is located at the lower end of the wall (101).

6. Cuvette being easy to clean according to claim 5, characterized in that the cleaning hole (2) is located on the bottom (102) of the cup.

7. Cuvette convenient to clean according to claim 5, characterized in that the angle between the bottom (102) and the wall (101) is greater than 90 °.

8. Cuvette convenient to clean according to claim 1, characterized in that the aperture range of the cleaning needle (4) is: 0.01-3 mm.

9. Cuvette convenient to clean according to claim 1, characterized in that a plurality of cuvettes (1) are non-fixedly connected to form a ring-shaped partition detection device.

10. A cuvette convenient for washing according to claim 1, characterized in that a plurality of cuvettes (1) are fixedly connected to form a whole of a disc-shaped partition detection device.

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