CN213129590U

CN213129590U - Device for quickly pumping rumen fluid

Info

Publication number: CN213129590U
Application number: CN202021531687.9U
Authority: CN
Inventors: 吕仁龙; 李茂�; 王定发; 周汉林
Original assignee: 吕仁龙
Current assignee: Tropical Crops Genetic Resources Institute CATAS
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-07
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a device for rapidly extracting rumen fluid, which relates to the field of rumen fluid collecting equipment and comprises a collecting bottle, wherein the upper end of the collecting bottle is provided with a detachable bottle cap, and the bottle cap is connected with a nasal tube and an exhaust tube; the nasal tube is a flexible tube body, and one end of the nasal tube, which is far away from the bottle cap, is provided with a plurality of liquid suction ports; one end of the exhaust tube, which is far away from the bottle cap, is communicated with an exhaust device; a detachable filtering device is arranged in the collecting bottle to divide the collecting bottle into an upper cavity and a lower cavity; the nasal tube and the exhaust tube are communicated with the upper cavity; the lower end of the collecting bottle is provided with a liquid outlet which is communicated with the lower cavity; the liquid discharge port is provided with a sealing device. The utility model can be directly inserted into the rumen from the nostril for extraction without adopting fistula operation, thereby alleviating the pain of experimental animals. The drawing is fast, uses manpower sparingly. The filtering device filters the extracted rumen fluid, and the collected gastric fluid can be directly used for experiments. Saliva is hardly mixed in the collection process.

Description

Device for quickly pumping rumen fluid

Technical Field

The utility model relates to a rumen fluid collection equipment field specifically is a device of rapid extraction rumen fluid.

Background

Rumen is an important component of the digestive system of ruminants, is an important organ for nutrition, food digestion and metabolism of ruminants, and particularly in the field of ruminant nutrition, many researches are focused on the research of rumen fluid, such as fatty acid composition, digestibility, amino acid change and the like.

At present, researchers mostly adopt an artificial fistulization technology to research nutrition and metabolism rules in the rumen of a ruminant. However, the artificial fistula needs an operation for installation, the technical requirement is high, and the later animal health management cost is high. Another way is to extract from the mouth, but in the process, extraction is difficult. Because the oral cavity contains more endocrine saliva, the blockage of the leather hose is easily caused.

At present, the existing extracting tool for extracting rumen fluid at home is an iron tube connected injector, the tube is directly inserted from an animal stomach tube or a mouth, and then the extracting tool is extracted by the injector.

The disadvantages are as follows: 1. the stomach tube is inserted, and the rumen is easy to spray after the stomach tube is opened and is easy to touch sensitive parts such as stomach tissues and the like.

2. When the patient is inserted into the mouth, the pain of the animal is great, and the esophagus is easy to bleed.

3. The extraction speed is slow, and the extraction cannot be performed or is difficult to perform frequently.

4. The extracted rumen fluid needs to be filtered again for experiment due to a large amount of saliva mixed in, and the like, so that the workload is large.

5. It often happens that saliva is mixed too much and the viscosity is too high, resulting in the need for re-extraction, etc.

6. Are prone to misalignment during catheterization causing injury to animal tissue.

Therefore, a rumen fluid extracting device which can extract conveniently and rapidly and reduce the pain of animals is needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an extract device of rumen fluid fast has solved the problem that rumen fluid extraction exists among the prior art is high, with high costs or extract the difficulty to the technical requirement.

The technical scheme of the utility model is realized like this:

a device for rapidly extracting rumen fluid comprises a collecting bottle, wherein a detachable bottle cap is arranged at the upper end of the collecting bottle, and a nasal tube and an exhaust tube are respectively connected onto the bottle cap;

the nasal tube is a flexible tube body, and one end of the nasal tube, which is far away from the bottle cap, is provided with a plurality of liquid suction ports;

one end of the exhaust tube, which is far away from the bottle cap, is communicated with an exhaust device;

a detachable filtering device is arranged in the collecting bottle, and the filtering device divides the collecting bottle into an upper cavity above and a lower cavity below; the nasal tube and the exhaust tube are both communicated with the upper cavity;

the lower end of the collecting bottle is provided with a liquid outlet which is communicated with the lower cavity; and a sealing device is arranged at the liquid discharge port.

Further, the filtering device comprises at least one filtering interlayer; the filter interlayer comprises a bearing net, a filter layer is laid on the bearing net, an annular card is pressed on the filter layer, and the card is clamped with the bearing net.

Further, the filtering device comprises an upper filtering interlayer and a lower filtering interlayer, and the outer diameter of the upper filtering interlayer is larger than that of the lower filtering interlayer;

an upper supporting table and a lower supporting table which are arranged up and down are arranged on the inner wall of the collecting bottle, the upper supporting table and the lower supporting table are both annular, and the inner diameter of the upper supporting table is larger than that of the lower supporting table;

the upper filtering interlayer is erected on the upper supporting table, and the lower filtering interlayer is erected on the lower supporting table.

Further, the filter layer is a gauze layer and comprises 2-4 layers of gauze.

Further, the nose pipe is a rubber pipe, and one end of the nose pipe, which is far away from the bottle cap, is hemispherical.

Furthermore, the total number of the liquid suction ports is ten, and the aperture of each liquid suction port is 7-8 mm.

Furthermore, a first connecting pipe and a second connecting pipe are arranged on the bottle cap, and external threads are arranged outside the first connecting pipe and the second connecting pipe; the nose pipe is sleeved on the first connecting pipe, and the exhaust pipe is sleeved on the second connecting pipe.

Further, the bottle cap is in threaded connection with the collecting bottle.

Further, the collecting bottle is a transparent bottle body, and scales are arranged on the collecting bottle.

Further, the collection bottle is a glass bottle body.

The utility model has the advantages that:

1. the instrument is directly inserted into the rumen from the nostril for extraction without fistula operation.

2. The pain of the experimental animal is relieved, the catheter is made of soft light materials, edible oil or vaseline and the like are smeared on the outer side of the catheter to play a lubricating role, and the catheter is more convenient to insert into the stomach.

3. The extraction is rapid, and the labor is saved; the external air extractor saves manpower and extracts gastric juice more quickly.

4. And a filtering device is installed, the pumped rumen fluid is directly filtered, and the collected gastric fluid can be directly used for experiments.

5. Saliva is hardly mixed in the collection process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged schematic view of the collection bottle of fig. 1.

Wherein:

1. a collection bottle; 2. calibration; 3. a bottle cap; 4. a nasal tube; 5. an air exhaust pipe; 6. a first connecting pipe; 7. a second connecting pipe; 8, a liquid suction port; 9. an air extraction device; 10. an upper chamber; 11. a lower cavity; 12. a liquid discharge port; 13. a closure device; 14. a carrying net; 15. a filter layer; 16. a card; 17. an upper filtering interlayer; 18. a lower filtering interlayer; 19. an upper support table; 20. and a lower support table.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the device for rapidly extracting rumen fluid in this embodiment comprises a collection bottle 1, the collection bottle 1 in this embodiment is a transparent bottle body, here, a glass bottle body, and scales 2 are provided on the collection bottle 1, so that the extraction amount can be conveniently controlled.

The upper end of the collecting bottle 1 is provided with a detachable bottle cap 3, wherein the bottle cap 3 is in threaded connection with the collecting bottle 1. The bottle cap 3 is respectively connected with a nose tube 4 and an exhaust tube 5; in this embodiment, the bottle cap 3 is provided with a first connecting pipe 6 and a second connecting pipe 7, and the outsides of the first connecting pipe 6 and the second connecting pipe 7 are both provided with external threads (not shown in the figure); the nose pipe 4 is sleeved on the first connecting pipe 6, and the exhaust pipe 5 is sleeved on the second connecting pipe 7, so that the tightness can be improved.

The nasal tube 4 is a flexible tube body, and one end of the nasal tube 4, which is far away from the bottle cap 3, is provided with a plurality of liquid suction ports 8. In this implementation, nose pipe 4 is the rubber tube, the one end that bottle lid 3 was kept away from to nose pipe 4 is the hemisphere, can be convenient for insert, also avoids causing the damage to the animal. The number of the liquid suction ports 8 is ten, the aperture of each liquid suction port 8 is 7mm, and in practical application, the aperture of each liquid suction port 8 can be 7-8 mm. The plurality of liquid suction ports 8 are arranged, so that rumen liquid can be led out more quickly.

One end of the exhaust tube 5, which is far away from the bottle cap 3, is communicated with an exhaust device 9. The air extractor 9 can adopt various existing devices with air extracting functions, such as a foot-operated air extractor or an electric air extractor, and the labor is saved.

The inside of receiving flask 1 is provided with detachable filter equipment, filter equipment divides receiving flask 1 into the epicoele 10 of top and the cavity of resorption 11 of below. The nasal tube 4 and the exhaust tube 5 are both communicated with the upper cavity 10, so that the pumped rumen fluid firstly enters the upper cavity 10, and then enters the lower cavity 11 after being filtered by the filter device.

The lower end of the collecting bottle 1 is provided with a liquid outlet 12, and the liquid outlet 12 is communicated with the lower cavity 11; a closing device 13 is arranged at the liquid outlet 12. The liquid discharge port 12 can discharge rumen fluid filtered in the lower cavity 11, and can be directly used for experiments.

The filtering device comprises at least one filtering interlayer; the filtering interlayer comprises a bearing net 14, a filtering layer 15 is laid on the bearing net 14, an annular clamping piece 16 is pressed on the filtering layer 15, and the clamping piece 16 is clamped with the bearing net 14. The card 16 can fix the filter layer 15 with the carrier web 14, and the card 16 can be detachably arranged with the carrier web 14, so that the filter layer 15 can be conveniently replaced. In this embodiment, the filtering means comprises an upper filtering baffle 17 and a lower filtering baffle 18, i.e. two filtering baffles; and the outer diameter of the upper filtering interlayer 17 is larger than that of the lower filtering interlayer 18. Be equipped with last supporting bench 19 and the lower supporting bench 20 that set up from top to bottom on the inner wall of receiving flask 1, it is the annular to go up supporting bench 19 and lower supporting bench 20, just the internal diameter of going up supporting bench 19 is greater than the internal diameter of lower supporting bench 20. The upper filtering interlayer 17 is arranged on an upper supporting platform 19, and the lower filtering interlayer 18 is arranged on a lower supporting platform 20. By the arrangement, the upper process interlayer and the lower filtering interlayer 18 can be conveniently replaced, and the operation is very convenient; the upper support table 19 does not affect the mounting and dismounting of the lower filter device. In this embodiment, the filtering layer 15 is a gauze layer, and includes 2-4 layers of gauze; the number of layers of gauze can be selected according to the experimental requirements.

When the device is used, edible oil or vaseline and the like are smeared on the outer side of the nasal tube 4 to play a lubricating role, the device is directly inserted into the rumen from the nostril of an animal, air is extracted through the air extractor 9, negative pressure is generated in the collecting bottle 1, gastric juice in the rumen can be extracted into the nasal tube 4 through the liquid suction port 8 and then enters the upper cavity 10, and the gastric juice is filtered by the filter device and then enters the lower cavity 11. Whether sufficient rumen fluid has been drawn can be confirmed by the scale 2 on the collection vial 1. After the extraction is finished, the sealing device 13 is taken down, and the rumen fluid filtered in the lower cavity 11 is discharged through the liquid discharge port 12 and can be directly used for experiments.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The device for quickly extracting rumen fluid is characterized by comprising a collecting bottle, wherein a detachable bottle cap is arranged at the upper end of the collecting bottle, and a nasal tube and an exhaust tube are respectively connected onto the bottle cap;

2. The device for the rapid extraction of rumen fluid according to claim 1, wherein said filtration means comprises at least one filtration barrier; the filter interlayer comprises a bearing net, a filter layer is laid on the bearing net, an annular card is pressed on the filter layer, and the card is clamped with the bearing net.

3. The device for the rapid extraction of rumen fluid according to claim 2, wherein said filtration device comprises an upper filtration barrier and a lower filtration barrier, and the outer diameter of said upper filtration barrier is greater than the outer diameter of said lower filtration barrier;

4. The device for rapidly extracting rumen fluid as claimed in claim 2, wherein said filter layer is a gauze layer comprising 2-4 layers of gauze.

5. The device for rapidly extracting rumen fluid as claimed in claim 1, wherein said nose tube is a rubber tube, and the end of said nose tube far from the bottle cap is hemispherical.

6. The apparatus for rapid extraction of rumen fluid as claimed in claim 5, wherein said aspiration port has ten holes, and the diameter of said aspiration port is 7-8 mm.

7. The apparatus for rapidly extracting rumen fluid as claimed in claim 1, wherein said cap is provided with a first connecting tube and a second connecting tube, and the exterior of said first connecting tube and said second connecting tube are provided with external threads; the nose pipe is sleeved on the first connecting pipe, and the exhaust pipe is sleeved on the second connecting pipe.

8. The device for the rapid extraction of rumen fluid according to claim 1, wherein said cap is threadedly connected to said collection vial.

9. The apparatus for rapidly extracting rumen fluid as claimed in claim 1, wherein said collection bottle is a transparent bottle body, and scales are provided on said collection bottle.

10. The device for rapidly extracting rumen fluid as claimed in claim 9, wherein said collection vial is a glass vial.