Laboratory mouse urine collecting device

Abstract

The invention provides a laboratory mouse urine collecting device which comprises a top cover, a primary filter cartridge, a secondary filter cartridge and a connecting cartridge, the secondary filter cartridge is placed in the connecting cartridge, the primary filter cartridge is placed in the secondary filter cartridge, the top cover covers the top of the primary filter cartridge, and the top cover comprises a top cover bottom and a top cover side wall; the top cover side wall and the top cover bottom are integrally formed to form a hollow cylinder structure; the primary filter cartridge comprises a primary filter cartridge side wall and a primary filter cartridge bottom screen, the primary filter cartridge bottom screen is mounted at the bottom end of the primary filter cartridge, and the aperture of the primary filter cartridge bottom screen is 2mm. The device is simple in structure, low in cost and capable of being repeatedly subjected to high temperature and high pressure, all parts can be independently replaced or reduced according to experimental requirements, the experimental mouse urine collection efficiency can be improved, and the experimental cost can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of experimental tools, and in particular to a urine collection device for experimental mice. Background Art

[0002] White mice are the most common experimental animals, accounting for more than 90% of experimental animals. They are widely used. Medicine, production of vaccines and biological drugs, surgical practice drills, quality inspection and safety evaluation of new drugs, food and drugs, research on life sciences, etc., are inseparable from the contribution of laboratory white mice. It can be said that white mice are substitutes for humans and living reagents for scientific research. Laboratory mice have a wide range of uses. Medicine, production of vaccines and biological drugs, surgical practice drills, quality inspection and safety evaluation of new drugs, food and drugs, research on life sciences, etc., are inseparable from the contribution of laboratory white mice.

[0003] During the experiment, the urine of the experimental mice needs to be collected. The main function of the experimental mouse urine collector is to effectively collect urine samples discharged by the experimental mice. These urine samples are very important for subsequent biochemical analysis, drug metabolism research and other experimental analyses. By analyzing the collected urine samples, some physiological indicators of the experimental mice can be monitored, such as renal function, electrolyte balance, metabolic status, etc.

[0004] The current urine collector for experimental mice has a complex structure and cannot perform multi-stage filtration on the urine after collection, which affects the subsequent experimental results. Therefore, it is necessary to make improvements. Summary of the invention

[0005] The present application provides a urine collection device for experimental mice to solve the problems of single device structure and high experimental cost in the prior art. It can achieve repeated high temperature and high pressure, and each part can be replaced individually or reduced according to experimental needs. It can improve the urine collection efficiency of experimental mice and reduce experimental costs.

[0006] The present application provides a laboratory mouse urine collection device, comprising a top cover, a primary filter cartridge, a secondary filter cartridge and a connection cartridge;

[0007] The secondary filter cartridge is placed in the connecting cartridge;

[0008] The primary filter cartridge is placed in the secondary filter cartridge;

[0009] The top cover is placed on the top of the primary filter cartridge.

[0010] Preferably, the top cover comprises a top cover bottom and a top cover side wall, and the top cover side wall and the top cover bottom are integrally formed into a hollow cylindrical structure.

[0011] Preferably, the primary filter cartridge comprises a primary filter cartridge side wall and a primary filter cartridge bottom screen, the primary filter cartridge bottom screen is installed at the bottom end of the primary filter cartridge, and the aperture of the primary filter cartridge bottom screen is 2 mm.

[0012] Preferably, the secondary filter cartridge comprises a secondary filter cartridge side wall and a secondary filter cartridge bottom screen, the secondary filter cartridge bottom screen is installed at the bottom end of the secondary filter cartridge, and the aperture of the secondary filter cartridge bottom screen is 2 mm.

[0013] Preferably, the diameters of the primary filter cartridge, the secondary filter cartridge and the connecting cartridge increase sequentially.

[0014] Preferably, the top cover, primary filter cartridge, secondary filter cartridge and connecting cartridge are all integrally formed of thickened high-borosilicate glass that is resistant to high temperature and high pressure.

[0015] Preferably, the high borosilicate glass component comprises 3%-6% Al by weight. 2 O 3 10%-12% B 2 O 3 , 4%-7%Na 2 O, 1%-3%K 2 O, 1%-2% Li 2 O, 0.1%-1% CaO, 0.2%-1.5% BaO, 0.1%-0.6% ZnO, the balance is SiO 2。

[0016] Preferably, a method for using a laboratory mouse urine collection device comprises the following steps:

[0017] A. The collected urine of experimental mice flows into the primary filter cylinder, and then flows into the secondary filter cylinder below after being initially filtered by the screen at the bottom of the primary filter cylinder;

[0018] B. The urine after primary filtration is filtered again through the screen at the bottom of the secondary filter cartridge;

[0019] C. The urine after secondary filtration flows into the connecting tube below, realizing the collection of urine after filtration of experimental mice.

[0020] Beneficial effects:

[0021] (1) The present invention has a simple structure and low cost, can be repeatedly subjected to high temperature and high pressure, and each part can be replaced individually or reduced according to experimental needs, which can improve the efficiency of collecting urine from experimental mice and reduce experimental costs.

[0022] (2) In the present invention, the top cover, the primary filter cartridge, the secondary filter cartridge and the connecting cartridge are all made of thickened high-temperature and high-pressure resistant borosilicate glass formed in one piece, and each part is connected by gravity, which improves the convenience of the experiment.

[0023] (3) In the present invention, the high borosilicate glass used has good chemical durability and hydrolysis resistance, high overall hardness and strength, is not easy to break, and extends the service life of the device.

[0024] The above description is only an overview of the technical solution of the embodiment of the present application. In order to more clearly understand the technical means of the embodiment of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the top cover structure of the present invention;

[0028] Figure 3 This is a schematic diagram of the structure of the primary filter cartridge of the present invention;

[0029] Figure 4 This is a schematic diagram of the structure of the secondary filter cartridge of the present invention;

[0030] Figure 5 It is a schematic diagram of the structure of the connecting tube of the present invention;

[0031] Explanation of the reference numerals: top cover side wall 101 , top cover bottom 102 , primary filter cartridge side wall 201 , primary filter cartridge bottom screen 202 , secondary filter cartridge side wall 301 , secondary filter cartridge bottom screen 302 , connecting cartridge 401 . DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusions.

[0034] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase "embodiments" in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0035] The directional words appearing in the following description are all directions shown in the drawings, and do not limit the specific structure of the present application. For example, in the description of the present application, the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application.

[0036] In addition, the expressions of indicated directions such as the X direction, the Y direction, and the Z direction used to illustrate the operation and construction of the components of the present embodiment are not absolute but relative, and although these indications are appropriate when the components are in the positions shown in the figures, when these positions change, these directions should be interpreted differently to correspond to the changes.

[0037] In addition, the terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.

[0038] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, the "connection" or "connection" of a mechanical structure may refer to a physical connection. For example, the physical connection may be a fixed connection, such as a fixed connection through a fixing member, such as a fixed connection through a screw, bolt or other fixing member; the physical connection may also be a detachable connection, such as a mutual snap-on or snap-fit ​​connection; the physical connection may also be an integral connection, such as a connection formed by welding, bonding or integral molding. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0039] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0040] See also Figure 1-Figure 5 , the present application discloses a laboratory mouse urine collection device, including a top cover, a primary filter cartridge, a secondary filter cartridge and a connection cartridge 401;

[0041] The secondary filter cartridge is placed in the connecting cartridge 401;

[0042] The primary filter cartridge is placed in the secondary filter cartridge;

[0043] The top cover is placed on the top of the primary filter cartridge.

[0044] The top cover includes a top cover bottom 102 and a top cover side wall 101 , and the top cover side wall 101 and the top cover bottom 102 are integrally formed into a hollow cylindrical structure.

[0045] The primary filter cartridge includes a primary filter cartridge side wall 201 and a primary filter cartridge bottom screen 202, which is installed at the bottom of the primary filter cartridge and has a pore size of 2 mm. The primary filter cartridge bottom screen performs preliminary filtration on urine to remove some impurities in urine.

[0046] The secondary filter cartridge includes a secondary filter cartridge side wall 301 and a secondary filter cartridge bottom screen 302, wherein the secondary filter cartridge bottom screen 302 is installed at the bottom of the secondary filter cartridge, and the aperture of the secondary filter cartridge bottom screen 302 is 2 mm. The secondary filter cartridge bottom screen filters the urine again to further remove impurities in the urine.

[0047] In the present invention, the diameters of the primary filter cartridge, the secondary filter cartridge and the connecting cartridge increase sequentially; the top cover, the primary filter cartridge, the secondary filter cartridge and the connecting cartridge are all made of thickened high-temperature and high-pressure resistant borosilicate glass formed in one piece, and each part is connected by gravity, thereby improving the convenience of the experiment.

[0048] In addition, in the present invention, the high borosilicate glass component includes 3%-6% Al by weight. 2 O 3 10%-12% B 2 O 3 , 4%-7%Na 2 O, 1%-3%K 2 O, 1%-2% Li 2 O, 0.1%-1% CaO, 0.2%-1.5% BaO, 0.1%-0.6% ZnO, the balance is SiO 2。 In the present invention, the high borosilicate glass used has good chemical durability and hydrolysis resistance, high overall hardness and strength, is not easy to break, and prolongs the service life of the device.

[0049] Working principle: The method of using the present invention comprises the following steps:

[0050] A. The collected urine of experimental mice flows into the primary filter cylinder, and then flows into the secondary filter cylinder below after being initially filtered by the screen at the bottom of the primary filter cylinder;

[0051] B. The urine after primary filtration is filtered again through the screen at the bottom of the secondary filter cartridge;

[0052] C. The urine after secondary filtration flows into the connecting tube below, realizing the collection of urine after filtration of experimental mice.

[0053] In summary, the present invention has a simple structure, low cost, can be repeatedly subjected to high temperature and high pressure, and each part can be replaced individually or reduced according to experimental needs. It can improve the efficiency of collecting urine from experimental mice and reduce experimental costs.

[0054] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A urine collection device for experimental mice, characterized in that: It comprises a top cover, a primary filter cartridge, a secondary filter cartridge and a connecting cartridge (401); The secondary filter cartridge is placed in the connecting cartridge (401); The primary filter cartridge is placed in the secondary filter cartridge; The top cover is placed on the top of the primary filter cartridge.

2. The urine collection device for experimental mice according to claim 1, characterized in that: The top cover comprises a top cover bottom (102) and a top cover side wall (101), and the top cover side wall (101) and the top cover bottom (102) are integrally formed to present a hollow cylindrical structure.

3. The urine collection device for experimental mice according to claim 1, characterized in that: The primary filter cartridge comprises a primary filter cartridge side wall (201) and a primary filter cartridge bottom screen (202); the primary filter cartridge bottom screen (202) is installed at the bottom end of the primary filter cartridge; the pore size of the primary filter cartridge bottom screen (202) is 2 mm.

4. The urine collection device for experimental mice according to claim 1, characterized in that: The secondary filter cartridge comprises a secondary filter cartridge side wall (301) and a secondary filter cartridge bottom screen (302). The secondary filter cartridge bottom screen (302) is installed at the bottom end of the secondary filter cartridge. The aperture of the secondary filter cartridge bottom screen (302) is 2 mm.

5. The urine collection device for experimental mice according to claim 1, characterized in that: The diameters of the primary filter cartridge, the secondary filter cartridge and the connecting cartridge increase in sequence.

6. The urine collection device for experimental mice according to claim 1, characterized in that: The top cover, the primary filter cartridge, the secondary filter cartridge and the connecting cartridge are all made of thickened high-temperature and high-pressure resistant borosilicate glass formed in one piece.

7. The urine collection device for experimental mice according to claim 6, characterized in that: The high borosilicate glass components include 3%-6% Al2O3, 10%-12% B2O3, 4%-7% Na2O, 1%-3% K2O, 1%-2% Li2O, 0.1%-1% CaO, 0.2%-1.5% BaO, 0.1%-0.6% ZnO, and the balance is SiO2.

8. A method for using the experimental mouse urine collection device according to claim 1, characterized in that: The method of use includes the following steps: A. The collected urine of experimental mice flows into the primary filter cylinder, and then flows into the secondary filter cylinder below after being initially filtered by the screen at the bottom of the primary filter cylinder; B. The urine after primary filtration is filtered again through the screen at the bottom of the secondary filter cartridge; C. The urine after secondary filtration flows into the connecting tube below, realizing the collection of urine after filtration of experimental mice.

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