CN212382653U - Excrement collection device of metabolism cage - Google Patents
Excrement collection device of metabolism cage Download PDFInfo
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- CN212382653U CN212382653U CN202020531673.0U CN202020531673U CN212382653U CN 212382653 U CN212382653 U CN 212382653U CN 202020531673 U CN202020531673 U CN 202020531673U CN 212382653 U CN212382653 U CN 212382653U
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Abstract
The utility model discloses an excrement collecting device of a metabolism cage, which comprises an operation platform and a squirrel cage fixed on the operation platform; the device also comprises a bracket, a separator, a funnel, a urine collecting ring, a feces pipe and a variable-volume urine collecting pipe; the bracket is arranged below the operating platform; the funnel is fixed below the operating platform; the separator is coaxially arranged in the funnel; the separator is conical, and the outer diameter of the upper opening of the separator is smaller than that of the lower opening of the separator; the outer diameter of the lower opening of the separator is larger than the inner diameter of the neck of the funnel; the upper surface of the urine collecting ring is provided with a groove, and the lower opening of the funnel is positioned in the groove of the urine collecting ring; the urine collecting ring is obliquely arranged; the excrement pipe passes through the urine collecting ring and is arranged below the funnel and fixed on the bracket; the volume-variable urine collecting tube is arranged on one side of the excrement tube, is arranged below the lowest part of the urine collecting ring and is fixed on the bracket. The utility model discloses can carry out the change of capacity to varactor formula collection ureter according to the collection condition of observing, reduce the operation of changing collection ureter, convenient to use is reliable, collects completely, ensures sample quality.
Description
Technical Field
The utility model belongs to medical science experiment animal auxiliary device relates to an experimental mice metabolism cage, especially relates to an excrement collection device of experimental mice metabolism cage.
Background
After being absorbed by gastrointestinal tract in vivo, the tested substance is transported to various tissues and organs of the whole body through blood circulation, and then is discharged out of the body through various ways after biotransformation. During the process of gradually metabolic explanation of the test substance, metabolites are continuously generated, and experimenters need to measure the content of the test substance or metabolites in the blood, tissues or excreta of organisms at different times so as to further understand the characteristics of the test substance. The metabolism cage is the rearging cage that is used for collecting laboratory mouse excretory substance specially for the internal metabolism experiment of laboratory mouse can provide comfortable living environment for the laboratory mouse, can drink water, food to the laboratory mouse carries out the ration, lets the laboratory mouse metabolism naturally, and the separator of metabolism cage can make the fecaluria separation of laboratory mouse, thereby carries out the metabolism research of various medicines, nutrient substance in vivo.
However, the existing metabolism cage lacks the metabolic disease characteristic of the diabetic rat model, and experiments show that the urine volume of the diabetic rat is much more than that of a normal rat, for example, the urine volume of about 200 g of the diabetic rat model in 6 hours is about 60CC-70CC, a urine receiving bottle is overflowed, the urine volume of 24 hours which is optimal for at least 12 hours needs to be collected in a common diabetic rat model, the maximum urine collection capacity of the existing metabolism cage is 70CC, and the urine bottle needs to be frequently replaced when the diabetic rat is met, so that the following problems exist: firstly, the replacement time is difficult to grasp, the urine volume of each animal is difficult to predict, and the work and rest time of the animal also influences the replacement time; secondly, if the urine overflows, the experimental result and the sample are inaccurate; thirdly, the urine volume of 24 hours is collected in the early morning, and the risk exists for experimenters and experimental animals.
Disclosure of Invention
The utility model provides an excrement collection device which is easy to collect and collects complete metabolism cages, aiming at the defects of the prior art.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
an excrement collecting device of a metabolism cage comprises an operation platform and a squirrel cage fixed on the operation platform; the device also comprises a bracket, a separator, a funnel, a urine collecting ring, a feces pipe and a variable-volume urine collecting pipe;
the bracket is arranged below the operating platform; the funnel is fixed below the operating platform; the separator is coaxially arranged in the funnel; the separator is conical, and the outer diameter of the upper opening of the separator is smaller than that of the lower opening of the separator; the outer diameter of the lower opening of the separator is larger than the inner diameter of the neck of the funnel;
the upper surface of the urine collecting ring is provided with a groove, and the lower opening of the funnel is positioned in the groove of the urine collecting ring; the urine collecting ring is obliquely arranged;
the excrement pipe passes through the urine collecting ring and is arranged below the funnel and fixed on the bracket;
the variable-volume urine collecting tube is arranged on one side of the excrement tube, is arranged below the lowest part of the urine collecting ring and is fixed on the bracket.
As a further technical improvement, the bottom of the variable-volume urine collecting tube is movably connected with an adjusting piece; a rubber plug and a connecting rod are arranged in the variable-volume urine collecting tube; one end of the connecting rod is fixed with the adjusting piece, and the other end of the connecting rod is fixed with the rubber plug; scales are marked on the outer side surface of the variable-volume urine collecting tube. The push-and-pull adjusting piece drives the rubber plug to move up and down in the variable-volume urine collection tube through the connecting rod, and controls the rubber plug to be aligned with the required scales, so that the volume of the variable-volume urine collection tube can be changed as required.
As a further technical improvement, the adjusting piece is a circular ring with a closed bottom; the inner diameter of the adjusting part is larger than the outer diameter of the variable volume urine collecting pipe, and the adjusting part is sleeved on the periphery of the bottom of the variable volume urine collecting pipe.
As a further technical improvement, a filtering membrane is arranged at the upper opening of the variable volume urine collecting tube. The filtering membrane on the volume-variable urine collecting tube can intercept excrement, so that the collected urine is clearer, and the interference on the experimental result is reduced to the maximum extent.
When the volume-variable urine collecting device is used, the funnel is arranged below the squirrel cage, excrement of a laboratory mouse naturally falls into the funnel under the action of gravity, the conical separator is coaxially arranged in the funnel, urine of the laboratory mouse flowing down from the upper part of the funnel flows onto the inner wall of the funnel along the wall surface of the separator and flows downwards into the groove of the urine collecting ring at the lower opening of the funnel, the urine can fall into the volume-variable urine collecting tube from the lowest part of the urine collecting ring due to the inclined arrangement of the urine collecting ring, and the volume of the volume-variable urine collecting tube can be adjusted after observation and collection; the experimental mouse defecates at any position in the mouse cage, granular mouse manure can directly fall into the manure pipe from the lower opening of the funnel through the neck of the funnel under the action of self gravity, and after collection is finished, the manure pipe or the variable-volume urine collection pipe can be taken down for subsequent research.
Compared with the prior art, the utility model has the advantages and beneficial effect as follows:
1. the utility model discloses a separator can separate fecaluria, and the capacity of varactor formula collection ureter can change according to the collection condition of observing, especially collects to the urine of diabetes rat, and the adjustable capacity that enlarges the collection ureter has reduced the operation of changing collection ureter, and convenient to use is reliable, collects completely, ensures sample quality, helps accurate experimental result.
2. The utility model discloses simple structure, the urine of collecting is pure, and furthest has reduced the interference to the experimental result.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the variable volume urine collecting tube of the present invention.
Fig. 3 is the structure schematic diagram of the adjusting piece, the connecting rod and the rubber plug of the utility model.
The attached drawings are as follows:
1-operation table, 2-bracket, 3-funnel, 4-separator, 5-excrement tube, 6-variable volume urine collecting tube, 7-urine collecting ring, 8-rubber plug, 9-connecting rod and 10-adjusting piece.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
an excrement collecting device of a metabolism cage comprises an operation platform 1 and a squirrel cage fixed on the operation platform 1; the device also comprises a bracket 2, a separator 4, a funnel 3, a urine collecting ring 7, an excrement pipe 5 and a variable-volume urine collecting pipe 6;
the bracket 2 is arranged below the operating platform 1; the funnel 3 is fixed below the operating platform 1; the separator 4 is coaxially arranged in the funnel 3; the separator 4 is conical, and the outer diameter of the upper opening of the separator is smaller than that of the lower opening of the separator; the outer diameter of the lower opening of the separator 4 is larger than the inner diameter of the neck of the funnel 3;
the upper surface of the urine collecting ring 7 is provided with a groove, and the lower opening of the funnel 3 is positioned in the groove of the urine collecting ring 7; the urine collecting ring 7 is obliquely arranged;
the excrement pipe 5 passes through the urine collecting ring 7 and is arranged below the funnel 3 and fixed on the bracket 2;
the volume-variable urine collecting tube 6 is arranged on one side of the excrement tube 5, is arranged below the lowest part of the urine collecting ring 7 and is fixed on the bracket 2.
The bottom of the variable volume urine collecting tube 6 is movably connected with an adjusting part 10; a rubber plug 8 and a connecting rod 9 are arranged in the variable-volume urine collecting tube 6; one end of the connecting rod 9 is fixed with the adjusting piece 10, and the other end of the connecting rod is fixed with the rubber plug 8; scales are marked on the outer side surface of the variable-volume urine collecting tube 6. The adjusting piece 10 is pushed and pulled, the connecting rod 9 drives the rubber plug 8 to move up and down in the volume-variable urine collecting tube 6, and the rubber plug 8 is controlled to be aligned with the required scales, so that the volume of the volume-variable urine collecting tube 6 can be changed as required.
The adjusting piece 10 is a circular ring with a closed bottom; the inner diameter of the adjusting part 10 is larger than the outer diameter of the variable volume urine collecting pipe 6 and is sleeved on the periphery of the bottom of the variable volume urine collecting pipe 6.
When the device is used, the funnel 3 is arranged below the squirrel cage, excrement of a laboratory mouse naturally falls into the funnel 3 under the action of gravity, the conical separator 4 is coaxially arranged in the funnel 3, urine of the laboratory mouse flowing down from the upper part of the funnel 3 flows onto the inner wall of the funnel 3 along the wall surface of the separator 4 and flows downwards into the groove of the urine collecting ring 7 at the lower opening of the funnel 3, the urine can fall into the variable-volume urine collecting pipe 6 from the lowest part of the urine collecting ring 7 due to the inclined arrangement of the urine collecting ring 7, and the volume of the variable-volume urine collecting pipe 6 can be adjusted after observation and collection; the laboratory mouse defecates at any position in the mouse cage, the granular mouse manure can directly fall into the manure pipe 5 from the lower opening of the funnel 3 through the neck of the funnel 3 under the action of self gravity, and after the collection is finished, the manure pipe 5 or the variable-volume urine collection pipe 6 is taken down for the next research.
Example 2:
the difference from the embodiment 1 is that a filtering membrane is arranged at the upper opening of the variable volume urine collecting tube 6. The filtering membrane on the volume-variable urine collecting tube 6 can intercept excrement, so that the collected urine is clearer, and the interference on the experimental result is reduced to the maximum extent.
The working principle of this embodiment is the same as embodiment 1.
Claims (4)
1. An excrement collecting device of a metabolism cage comprises an operation platform (1) and a squirrel cage fixed on the operation platform (1); the method is characterized in that: the excrement collector also comprises a bracket (2), a separator (4), a funnel (3), a urine collecting ring (7), an excrement pipe (5) and a variable-volume urine collecting pipe (6);
the bracket (2) is arranged below the operating platform (1); the funnel (3) is fixed below the operating platform (1); the separator (4) is coaxially arranged in the funnel (3); the separator (4) is conical, and the outer diameter of the upper opening of the separator is smaller than that of the lower opening of the separator; the outer diameter of the lower opening of the separator (4) is larger than the inner diameter of the neck of the funnel (3);
the upper surface of the urine collecting ring (7) is provided with a groove, and the lower opening of the funnel (3) is positioned in the groove of the urine collecting ring (7); the urine collecting ring (7) is obliquely arranged;
the excrement pipe (5) passes through the urine collecting ring (7) and is arranged below the funnel (3) and fixed on the bracket (2);
the volume-variable urine collecting tube (6) is arranged on one side of the excrement tube (5), is arranged below the lowest part of the urine collecting ring (7) and is fixed on the bracket (2).
2. An excreta collection device of a metabolic cage according to claim 1, wherein: the bottom of the variable volume urine collecting tube (6) is movably connected with an adjusting part (10); a rubber plug (8) and a connecting rod (9) are arranged in the variable-volume urine collecting tube (6); one end of the connecting rod (9) is fixed with the adjusting piece (10), and the other end of the connecting rod is fixed with the rubber plug (8); scales are marked on the outer side surface of the variable volume urine collecting tube (6).
3. An excreta collection device of a metabolic cage according to claim 2, wherein: the adjusting piece (10) is a circular ring with a closed bottom; the inner diameter of the adjusting piece (10) is larger than the outer diameter of the variable volume urine collecting pipe (6), and the adjusting piece is sleeved on the periphery of the bottom of the variable volume urine collecting pipe (6).
4. An excreta collection device of a metabolic cage according to claim 1, wherein: a filtering membrane is arranged at the opening above the volume-variable urine collecting tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531673.0U CN212382653U (en) | 2020-04-13 | 2020-04-13 | Excrement collection device of metabolism cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531673.0U CN212382653U (en) | 2020-04-13 | 2020-04-13 | Excrement collection device of metabolism cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212382653U true CN212382653U (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020531673.0U Active CN212382653U (en) | 2020-04-13 | 2020-04-13 | Excrement collection device of metabolism cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212382653U (en) |
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2020
- 2020-04-13 CN CN202020531673.0U patent/CN212382653U/en active Active
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