CN210354756U - Experimental animal body fluid collecting needle assembly - Google Patents
Experimental animal body fluid collecting needle assembly Download PDFInfo
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- CN210354756U CN210354756U CN201920906385.6U CN201920906385U CN210354756U CN 210354756 U CN210354756 U CN 210354756U CN 201920906385 U CN201920906385 U CN 201920906385U CN 210354756 U CN210354756 U CN 210354756U
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Abstract
The utility model relates to an experimental animal body fluid collecting needle assembly, which comprises a puncture needle, a tube cover, a body fluid collecting tube and a shaking device; the puncture needle is hermetically connected with the tube cover; the upper surface of the tube cover is fixedly connected with a puncture needle connector, the side surface is fixedly connected with a handle, and the inner wall is provided with internal threads; the upper end opening of the body fluid collecting pipe is provided with external threads, and the side surface of the body fluid collecting pipe is fixedly connected with an air hole; the shaking device consists of a base, a bracket, a loading plate and a knob. Its advantages are: the puncture needle provides shapes aiming at different body fluid collection requirements, is flexible in application, and can conveniently and quickly collect corresponding body fluid; various anticoagulants, coagulants, hydrochloric acid and other reagents for preventing body fluid from deteriorating can be added in the body fluid collecting tube in advance; the air holes on the tube wall of the body fluid collecting tube ensure the air pressure balance inside and outside the tube, and the isolating layer can prevent the body fluid from flowing unsmoothly; the shaking device can conveniently mix the body fluid and the reagent added in advance, prevent the body fluid from deteriorating, and simultaneously avoid the condition of uneven manual mixing.
Description
Technical Field
The utility model belongs to the technical field of animal experiment apparatus technique and specifically relates to a needle subassembly is gathered to experimental animals body fluid.
Background
The body fluid is fluid in vivo, and specifically includes saliva, semen, leucorrhea, human milk, blood, lymph fluid, urine, cerebrospinal fluid, pleural effusion, peritoneal fluid or hydrops, joint cavity fluid, amniotic fluid, etc. The body fluids contain diagnostic markers related to diseases, such as the pH value of urine, whether excessive red blood cells are contained or not, white blood cells, small round epithelial cells and the like are important indexes in clinical diagnosis and treatment, and are important samples which need to be collected on disease models related to experimental animals in teaching and scientific research work.
The blood examination can judge the health condition of experimental animals, the specificity of disease mode animal construction and the like; urine examination can determine whether the construction of experimental animals, particularly kidney-related disease model animals, is successful; the diagnostic value of pleural effusion and abdominal effusion is that related diseases such as related primary tumor, metastatic tumor, tuberculosis, fungus, virus, parasite infection and the like can be judged; cerebrospinal fluid is an important sample for nervous system related studies. However, the collection of body fluid of experimental animals is relatively difficult, especially the collection quality of the sample, such as hemolysis, coagulation and pollution of the sample, must be ensured on the basis of meeting the ethics of the experimental animals, so as to meet the requirements of teaching, scientific research and downstream experiments.
Therefore, how to collect a high-quality body fluid sample meeting the experimental requirements becomes a problem worthy of discussion and needs to be solved.
Chinese patent documents: CN202693378U, published: 2013.01.23 discloses a living body fluid sampling device for animal experiments, which comprises a collecting container, wherein the mouth of the collecting container is provided with a tube cover, the tube cover is provided with two tube holes, a negative pressure tube and a sample guide tube are respectively inserted into the two tube holes, and the upper ends of the negative pressure tube and the sample guide tube are respectively connected with a tube I connected with an injector and a tube II connected with an animal living body sampling part.
Chinese patent documents: CN1764413, published: 2006.04.26, discloses a body fluid collector. The body fluid collector has a detection unit including a body portion having a blood transport channel for collecting blood from a blood inlet and transporting the blood to a blood outlet, and a test paper provided on the body portion and detecting glucose in the blood transported through the blood transport channel, wherein a protrusion is provided on the body portion, overlaps the test paper when viewed in plan, and protrudes into the blood transport channel toward the blood outlet.
Chinese patent documents: CN102740822A, published: 2012.10.17, discloses a plug body and a body fluid collecting instrument set, the plug body is used for sealing the opening end of a body fluid collecting container inserted into a cylindrical retainer, and comprises a plug body and a cover member, the plug body is fixed on the opening end of the body fluid collecting container, the cover member is externally mounted on the plug body in a mode of covering the outer surface of the plug body, the cover member is provided with a side surface part covering the outer side surface of the plug body, and the outer surface of the side surface part is provided with a protruding part which protrudes to the radial outside of the side surface part of the cover member, so that when the body fluid collecting container is inserted into the retainer, the protruding part is contacted with the inner wall of the retainer to provide friction resistance.
However, no report is yet reported about the experimental animal body fluid collecting needle assembly of the present invention.
Disclosure of Invention
The utility model aims at providing a body fluid collecting needle assembly for experimental animals.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a body fluid collecting needle assembly for experimental animals comprises a puncture needle (1), a tube cover (2), a body fluid collecting tube (3) and a shaking device (5);
the puncture needle (1) is hermetically connected with the tube cover (2); a puncture needle connector (21) is fixedly connected to the upper surface of the tube cover (2), a handle (22) is fixedly connected to the side surface of the tube cover (2), and internal threads (23) are arranged on the inner wall of the tube cover (2); the internal thread (23) is combined with an external thread (31) on the body fluid collecting pipe (3) to connect the pipe cover (2) with the body fluid collecting pipe (3); the whole body fluid collecting pipe (3) is in a test tube shape, an external thread (31) is arranged at the upper end opening of the body fluid collecting pipe (3), and an air hole (32) is fixedly connected to the side surface of the body fluid collecting pipe (3);
the shaking device (5) consists of a base (51), a bracket (52), a loading plate (53) and a knob (54); the base (51) is in a cuboid plate shape, four positioning bulges (511) are arranged below the base (51), and an anti-skid layer (512) is arranged on each positioning bulge (511); the front and the back of the base (51) are fixedly connected with two rotating shafts (513), the side surface of each rotating shaft (513) is provided with a rotating shaft external thread (514), and the left side and the right side of each rotating shaft (513) are respectively and fixedly connected with a stop block (515); a bracket (52) is hinged on the rotating shaft (513), and a circular hole (521) is formed in each of the upper end and the lower end of the bracket (52); one circular hole (521) on the bracket (52) is sleeved on the rotating shaft (513) of the base (51), and the other circular hole (521) is sleeved on the rotating shaft (513) of the loading plate (53); the whole carrying plate (53) is in a cuboid plate shape, and a collecting pipe placing hole (531) is formed in the upper surface of the carrying plate (53); the front and the back of the loading plate (53) are fixedly connected with two rotating shafts (513), and the side surface of each rotating shaft (513) is provided with a rotating shaft external thread (514); the left surface and the right surface of the carrying plate (53) are both fixedly connected with handles (532); the inner wall of the knob (54) is provided with knob internal threads (541), and the knob (54) is arranged on the rotating shaft (513).
The puncture needle (1) comprises an anti-slipping puncture needle (11), a deep puncture needle (12), an anti-puncturing puncture needle (13) and a narrow puncture needle (14).
An anticoagulant, a coagulant and a preservative can be added into the body fluid collecting pipe (3) to prevent body fluid from deteriorating.
The body fluid collecting tube (3) is a disposable article.
The internal thread (23) is matched with the external thread (31), and the external thread (514) of the rotating shaft is matched with the internal thread (541) of the knob.
The number of the collecting pipe placing holes (531) is twenty-eight.
The body fluid collecting pipe (3) has different sizes according to the differences of the body types of the experimental animals.
The air hole (32) is hermetically connected with a hose (4).
The utility model has the advantages that:
1. the puncture needle provides shapes aiming at different body fluid collection requirements, is flexible in application, and can conveniently and quickly collect corresponding body fluid; the needle stem of the puncture needle is provided with a device for preventing the puncture needle from slipping, so that the puncture needle can be operated by one person conveniently, and the experimental efficiency is improved.
2. The design of the internal thread and the external thread ensures that the tube cover is buckled and sealed with the body fluid collecting tube, thereby preventing the body fluid from volatilizing, deteriorating and polluting; the lower end of the body fluid collecting pipe is spherical, so that body fluid can be prevented from accumulating.
3. Various anticoagulants, coagulants, hydrochloric acid and other reagents for avoiding the deterioration of the body fluid can be added in the body fluid collecting tube in advance, and the requirements of various experiments on the body fluid collection can be met.
4. The air holes on the tube wall of the body fluid collecting tube ensure the air pressure balance inside and outside the tube, and the isolating layer can prevent the body fluid from flowing unsmoothly.
5. The diameter of the body fluid collecting pipe can be matched with most centrifuges, so that the requirements of subsequent experiments are met; the body fluid collecting pipe has different sizes according to the differences of the body types of the experimental animals.
7. The shaking device can conveniently mix the body fluid and the reagent added in advance, prevent the body fluid from deteriorating, and simultaneously avoid the condition of uneven manual mixing.
8. The body fluid collecting device can be used for collecting body fluid of conventional experimental animals such as mice, rats, guinea pigs, rabbits and the like.
9. The body fluid collecting tube is a disposable tool and prevents the cross contamination of samples.
Drawings
FIG. 1 is a first structural schematic diagram of a body fluid collecting needle assembly for laboratory animals.
FIG. 2 is a schematic structural view of a tube cover and a body fluid collecting tube of the body fluid collecting needle assembly for experimental animals.
FIG. 3 is a schematic structural view of a puncture needle, a tube cap and a body fluid collecting tube of the body fluid collecting needle assembly of an experimental animal.
FIG. 4 is a first schematic view of the combination of the base, the bracket and the knob of the body fluid collecting needle assembly for laboratory animals.
FIG. 5 is a second schematic view showing the combination of the base, the bracket and the knob of the body fluid collecting needle assembly for laboratory animals.
Fig. 6 is an enlarged view of a portion a of fig. 5.
Fig. 7 is a schematic illustration of a carrier plate structure of a body fluid collection needle assembly for laboratory animals.
Fig. 8 is a schematic structural diagram II of a body fluid collecting needle assembly for laboratory animals.
FIG. 9 is a schematic plan view of an anti-slipping puncture needle, a deep puncture needle, an anti-puncture needle and a narrow puncture needle of the body fluid collection needle assembly for experimental animals.
FIG. 10 is a schematic view showing the combination of a puncture needle, a cap, a body fluid collecting tube, a tube and a syringe of the body fluid collecting needle assembly for laboratory animals.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. puncture needle
11. Anti-slip puncture needle
12. Deep puncture needle
13. Puncture-proof puncture needle
14. Narrow puncture needle
2. Pipe cover
21. Puncture needle connector
22. Handle bar
23. Internal thread
3. Body fluid collecting tube
31. External thread
32. Air hole
4. Flexible pipe
5. Shaking-up device
51. Base seat
511. Positioning projection
512. Anti-skid layer
513. Rotating shaft
514. External thread of rotating shaft
515. Stop block
52. Support frame
521. Circular hole
53. Loading board
531. Collecting pipe placing hole
532. Handle (CN)
54. Rotary knob
541. Knob internal thread
6. Syringe with a needle
Example 1
Referring to fig. 1, fig. 1 is a first structural schematic diagram of a body fluid collecting needle assembly for laboratory animals. The experimental animal body fluid collecting needle assembly comprises a puncture needle (1), a tube cover (2), a body fluid collecting tube (3) and a shaking device (5);
referring to fig. 2 and 3, fig. 2 is a schematic view of a tube cap and a body fluid collecting tube of a body fluid collecting needle assembly for experimental animals, and fig. 3 is a schematic view of a puncture needle, a tube cap and a body fluid collecting tube of a body fluid collecting needle assembly for experimental animals. The puncture needle (1) is hermetically connected with the tube cover (2); a puncture needle connector (21) is fixedly connected to the upper surface of the tube cover (2), a handle (22) is fixedly connected to the side surface of the tube cover (2), and internal threads (23) are arranged on the inner wall of the tube cover (2); the internal thread (23) is combined with an external thread (31) on the body fluid collecting pipe (3) to connect the pipe cover (2) with the body fluid collecting pipe (3); the whole body fluid collecting pipe (3) is in a test tube shape, an external thread (31) is arranged at the upper end opening of the body fluid collecting pipe (3), and an air hole (32) is fixedly connected to the side surface of the body fluid collecting pipe (3);
referring to fig. 4-7, fig. 4 is a first schematic view of the combination of the base, the bracket and the knob of the body fluid collecting needle assembly for laboratory animals, fig. 5 is a second schematic view of the combination of the base, the bracket and the knob of the body fluid collecting needle assembly for laboratory animals, fig. 6 is an enlarged view of a portion a of fig. 5, and fig. 7 is a schematic view of a structure of a carrier plate of the body fluid collecting needle assembly for laboratory animals. The shaking device (5) consists of a base (51), a bracket (52), a loading plate (53) and a knob (54); the base (51) is in a cuboid plate shape, four positioning bulges (511) are arranged below the base (51), and an anti-skid layer (512) is arranged on each positioning bulge (511); the front and the back of the base (51) are fixedly connected with two rotating shafts (513), the side surface of each rotating shaft (513) is provided with a rotating shaft external thread (514), and the left side and the right side of each rotating shaft (513) are respectively and fixedly connected with a stop block (515); a bracket (52) is hinged on the rotating shaft (513), and a circular hole (521) is formed in each of the upper end and the lower end of the bracket (52); one circular hole (521) on the bracket (52) is sleeved on the rotating shaft (513) of the base (51), and the other circular hole (521) is sleeved on the rotating shaft (513) of the loading plate (53); the whole carrying plate (53) is in a cuboid plate shape, and a collecting pipe placing hole (531) is formed in the upper surface of the carrying plate (53); the front and the back of the loading plate (53) are fixedly connected with two rotating shafts (513), and the side surface of each rotating shaft (513) is provided with a rotating shaft external thread (514); the left surface and the right surface of the carrying plate (53) are both fixedly connected with handles (532); the inner wall of the knob (54) is provided with knob internal threads (541), and the knob (54) is arranged on the rotating shaft (513).
Referring to fig. 9, fig. 9 is a schematic plan view of an anti-slipping puncture needle, a deep puncture needle, an anti-puncture needle and a narrow puncture needle of a body fluid collection needle assembly for an experimental animal. The puncture needle (1) comprises an anti-slipping puncture needle (11), a deep puncture needle (12), an anti-puncturing puncture needle (13) and a narrow puncture needle (14).
Anticoagulant, coagulant and preservative can be added into the body fluid collecting pipe (3) to avoid body fluid deterioration; the body fluid collecting tube (3) is a disposable article; the internal thread (23) is matched with the external thread (31), and the external thread (514) of the rotating shaft is matched with the internal thread (541) of the knob; the number of the collecting pipe placing holes (531) is twenty-eight; the body fluid collecting pipe (3) has different sizes according to the difference of the body types of the experimental animals; the air hole (32) is hermetically connected with a hose (4).
Example 2
Referring to fig. 8 and 10, fig. 8 is a second structural schematic diagram of a body fluid collecting needle assembly for laboratory animals, and fig. 10 is a schematic diagram of the combination of a puncture needle, a tube cap, a body fluid collecting tube, a hose and a syringe of the body fluid collecting needle assembly for laboratory animals.
The use process and the method of the experimental animal body fluid collecting needle assembly comprise the following steps:
firstly, selecting a proper puncture needle (1) according to the body fluid collection requirement of an experimental animal; when the body fluid collecting pipe (3) is opened, various anticoagulants, coagulants and preservatives can be added; then the tube cover (2) is covered on the body fluid collecting tube (3); the upper end air hole (32) of the body fluid collecting pipe (3) is hermetically connected with a hose (4); one end of the hose (4) is hermetically connected with the air hole (32), and the other end of the hose is hermetically connected with the injector (6); before a sample is collected, the injector (6) is vacuumized through the air hole (32), so that negative pressure in the collecting pipe is ensured, and the body fluid is helped to flow smoothly to avoid hemolysis; then collecting body fluid of the test animal.
Placing the collected body fluid collecting pipe (3) in a collecting pipe placing hole (531) on the shaking device (5); then, the handle (532) is pulled by hand to shake the carrying plate (53) left and right; the reagent can be conveniently and uniformly mixed with the body fluid, and the situations of body fluid deterioration, solidification, uniform mixing and the like are prevented.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (4)
1. The experimental animal body fluid collecting needle assembly is characterized by comprising a puncture needle (1), a tube cover (2), a body fluid collecting tube (3) and a shaking device (5); the puncture needle (1) is hermetically connected with the tube cover (2); a puncture needle connector (21) is fixedly connected to the upper surface of the tube cover (2), a handle (22) is fixedly connected to the side surface of the tube cover (2), and internal threads (23) are arranged on the inner wall of the tube cover (2); the internal thread (23) is combined with an external thread (31) on the body fluid collecting pipe (3) to connect the pipe cover (2) with the body fluid collecting pipe (3); the whole body fluid collecting pipe (3) is in a test tube shape, an external thread (31) is arranged at the upper end opening of the body fluid collecting pipe (3), and an air hole (32) is fixedly connected to the side surface of the body fluid collecting pipe (3);
the shaking device (5) consists of a base (51), a bracket (52), a loading plate (53) and a knob (54); the base (51) is in a cuboid plate shape, four positioning bulges (511) are arranged below the base (51), and an anti-skid layer (512) is arranged on each positioning bulge (511); the front and the back of the base (51) are fixedly connected with two rotating shafts (513), the side surface of each rotating shaft (513) is provided with a rotating shaft external thread (514), and the left side and the right side of each rotating shaft (513) are respectively and fixedly connected with a stop block (515); a bracket (52) is hinged on the rotating shaft (513), and a circular hole (521) is formed in each of the upper end and the lower end of the bracket (52); one circular hole (521) on the bracket (52) is sleeved on the rotating shaft (513) of the base (51), and the other circular hole (521) is sleeved on the rotating shaft (513) of the loading plate (53); the whole carrying plate (53) is in a cuboid plate shape, and a collecting pipe placing hole (531) is formed in the upper surface of the carrying plate (53); the front and the back of the loading plate (53) are fixedly connected with two rotating shafts (513), and the side surface of each rotating shaft (513) is provided with a rotating shaft external thread (514); the left surface and the right surface of the carrying plate (53) are both fixedly connected with handles (532); the inner wall of the knob (54) is provided with knob internal threads (541), and the knob (54) is arranged on the rotating shaft (513).
2. The experimental animal body fluid collection needle assembly according to claim 1, wherein the puncture needle (1) comprises an anti-slipping puncture needle (11), a deep puncture needle (12), an anti-puncture needle (13), and a narrow puncture needle (14).
3. The experimental animal body fluid collection needle assembly according to claim 1, wherein the body fluid collection tube (3) is a disposable product.
4. The body fluid collection needle assembly for laboratory animals according to claim 1, wherein said body fluid collection tube (3) has different sizes according to the size of the laboratory animals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906385.6U CN210354756U (en) | 2019-06-17 | 2019-06-17 | Experimental animal body fluid collecting needle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906385.6U CN210354756U (en) | 2019-06-17 | 2019-06-17 | Experimental animal body fluid collecting needle assembly |
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| Publication Number | Publication Date |
|---|---|
| CN210354756U true CN210354756U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920906385.6U Active CN210354756U (en) | 2019-06-17 | 2019-06-17 | Experimental animal body fluid collecting needle assembly |
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| CN (1) | CN210354756U (en) |
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2019
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