CN213217848U - Rat jugular vein blood sampling fixer - Google Patents
Rat jugular vein blood sampling fixer Download PDFInfo
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- CN213217848U CN213217848U CN202020768872.3U CN202020768872U CN213217848U CN 213217848 U CN213217848 U CN 213217848U CN 202020768872 U CN202020768872 U CN 202020768872U CN 213217848 U CN213217848 U CN 213217848U
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- rat
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- fixed
- jugular vein
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- 210000004731 jugular vein Anatomy 0.000 title claims abstract description 22
- 238000010241 blood sampling Methods 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 25
- 210000001015 abdomen Anatomy 0.000 claims abstract description 17
- 239000008280 blood Substances 0.000 claims description 16
- 210000004369 blood Anatomy 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 10
- 210000004556 brain Anatomy 0.000 claims description 2
- 230000036541 health Effects 0.000 abstract description 4
- 241001465754 Metazoa Species 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000003187 abdominal effect Effects 0.000 abstract 2
- 210000000115 thoracic cavity Anatomy 0.000 abstract 2
- 210000000038 chest Anatomy 0.000 abstract 1
- 210000003414 extremity Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Abstract
A rat jugular vein blood sampling fixer relates to an animal experimental instrument, and comprises a fixing table, a leg fixing seat and a thoracic and abdominal fixing device, wherein the thoracic and abdominal fixing device comprises a coiling part arranged in the fixing table; a main body part, wherein the middle body of the main body part is wound on the winding part in the circumferential direction; and a traction portion connected to a free end of the main body portion; pulling the traction part to pull out the main body part wound on the winding part and fix the main body part on the abdomen of the rat; the fixator is simple in structure, and when the abdomen of a rat body needs to be fixed, the traction part is directly pulled to enable the main body part to fix the body part of the rat, so that the body of the rat is stabilized, and the phenomenon that the body of the rat is still twisted after the four limbs of the rat are fixed is avoided; and utilize this chest abdomen fixing device and leg fixing base mutually support, realize fixing completely to the rat health, do benefit to and reduce the needle insertion degree of difficulty to this guarantees going on smoothly to rat jugular vein blood sampling, is suitable for extensive popularization.
Description
Technical Field
The utility model relates to animal experiment instrument specifically is a rat jugular vein blood sampling fixer.
Background
The rat is a common model animal in biological and medical research, and the research on human medicine is promoted and discussed through the detection of various indexes of the rat body; especially for the research of blood, the health state of the organism can be reflected, and the research contributes to human medicine.
Before carrying out jugular vein blood sampling to the rat, should fix it with the blood sampling operation of making things convenient for the staff, but the position of present rat is difficult to fix, even fix the four limbs of rat, the body of rat still can be continuous wrench movement struggle, consequently can increase the blood sampling degree of difficulty to its jugular vein, often appear can not adopt sufficient blood sample, lead to the condition appearance of influence test quality.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a new technical proposal which is used for stably fixing the rat and avoiding struggling; thereby achieving the purpose of reducing the blood sampling difficulty of the jugular vein.
The utility model provides a technical scheme as follows:
a rat jugular vein blood sampling fixer comprises a fixing table, a leg fixing seat and a chest and abdomen fixing device, wherein the chest and abdomen fixing device comprises a rolling part and is arranged in the fixing table; a main body portion including a connection end, a middle body, and a free end; the connecting end is fixed with the winding part (31), and the middle body is wound on the winding part (31) in the circumferential direction; and a traction portion connected to a free end of the main body portion; the traction part is pulled to lead the main body part wound on the winding part to be pulled out and fixed on the abdomen of the rat.
Furthermore, the coiling part is a long rotating shaft, torsion springs are arranged at two ends of the long rotating shaft respectively, and the long rotating shaft is elastically fixed with the fixed platform through the torsion springs.
Further, the main body part is a soft strip-shaped component.
Furthermore, the traction part is a long rotating shaft with the same size as the winding part, and the free end of the main body part is fixed on the outer circular surface of the traction part along the axial direction of the traction part.
Furthermore, the fixed station is provided with a clamping part for fixing the traction part, and the clamping part is arranged at one end of the fixed station, which is just opposite to the winding part.
Further, the fixed table comprises a first workbench horizontally arranged for placing the body of the rat and a second workbench obliquely arranged for pressing the brain bag of the rat; the leg fixing seats are four and are distributed at four corners of the first workbench.
Further, an inclination angle of the second workbench relative to the first workbench is α, wherein α is greater than or equal to 10 degrees and less than or equal to 15 degrees.
Furthermore, the leg fixing seat comprises a fixing upper part and a fixing lower part hinged with the fixing upper part, and an upper through groove is formed in the surface of the fixing upper part facing the fixing lower part; the fixed lower part is provided with a lower through groove corresponding to the upper through groove; after the fixed upper part is attached to the fixed lower part, the upper through groove and the lower through groove jointly form a limiting groove for fixing the leg of the rat.
Furthermore, an upper hook part is arranged at the upper fixing part, and a lower hook part is arranged at the lower fixing part; the upper hook part and the lower hook part are hooked to realize stable attachment of the fixed upper part and the fixed lower part.
The beneficial effect that adopts this technical scheme to reach does:
the fixator is simple in structure, and when the abdomen of a rat body needs to be fixed, the traction part is directly pulled to enable the main body part to fix the body part of the rat, so that the body of the rat is stabilized, and the phenomenon that the body of the rat is still twisted after the four limbs of the rat are fixed is avoided; and utilize this chest abdomen fixing device and leg fixing base mutually support, realize fixing completely to the rat health, do benefit to and reduce the needle insertion degree of difficulty to this guarantees going on smoothly to rat jugular vein blood sampling, is suitable for extensive popularization.
Drawings
FIG. 1 is a schematic perspective view of a blood collection holder;
FIG. 2 is a view showing the leg holder in an open position;
FIG. 3 is a view showing a structure in which a fixed upper portion and a fixed lower portion are bonded to each other;
FIG. 4 is a side view of the blood collecting holder;
FIG. 5 is a schematic view of a rat after being fixed to a blood collection holder;
fig. 6 is a sectional view taken along line a-a of fig. 5, showing the components of the thoracoabdominal fixation device.
Wherein: 10 fixed station, 11 first station, 12 second station, 20 leg fixing seat, 21 fixed upper part, 22 fixed lower part, 23 limiting groove, 30 chest and abdomen fixing device, 31 coiling part, 32 main body part, 33 traction part, 34 clamping part, 211 upper through groove, 212 upper hook part, 221 lower through groove and 222 lower hook part.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
A blood sampling fixer for rat jugular vein, referring to fig. 1, comprises a fixing stand 10 and a leg fixing base 20, wherein in the conventional rat fixing, a rat is placed on the fixing stand 10, and then the leg of the rat is fixed by the leg fixing base 20.
The legs can be fixed in various ways, namely only two rear legs of the rat can be fixed, and the struggling force of the rear legs is greater than that of the front legs when the rat is grabbed on the fixing table 10; the four limbs of the rat can be fixed at the same time; therefore, the leg fixing seat 20 is provided in two ways, one of which is: two leg fixing seats 20 are arranged at the tail end of the fixing table 10 and only used for fixing two hind limbs of a rat; the other one is: four leg fixing seats 20 are arranged at four corners of the fixing table 10, and the four leg fixing seats 20 enclose a square structure and are used for fixing forelimbs and hind limbs of a rat respectively; in this scheme, the mode that the preference adopted fixed four limbs realizes fixing completely to the rat, avoids appearing the rat struggling in the blood sampling process, leads to the failure of blood sampling.
Of course, in order to fix the limbs and the legs of the rat on the leg fixing seat 20 quickly, the leg fixing seat 20 is configured to be an openable structure, referring to fig. 2-3, that is, the leg fixing seat 20 includes a fixing upper portion 21 and a fixing lower portion 22 hinged thereto, wherein an upper through groove 211 is provided on a surface of the fixing upper portion 21 facing the fixing lower portion 22, the fixing lower portion 22 is provided with a lower through groove 221 corresponding to the upper through groove 211, and after the fixing upper portion 21 and the fixing lower portion 22 are attached, the upper through groove 211 and the lower through groove 221 jointly form a limiting groove 23 for fixing the legs of the rat.
In the fixing process, the fixed upper part 21 needs to be opened relative to the fixed lower part 22, after a rat is placed on the surface of the fixed table 10, the four limbs of the rat are respectively grabbed, each limb leg is placed on the lower through groove 221, the fixed upper part 21 is attached to the fixed lower part 22, and each limb leg is located in the corresponding limiting groove 23, so that the limb legs of the rat are fixed.
Preferably, go up logical groove 211 with be equipped with soft silica gel on the intrados of logical groove 221 down, its aim at protects the limbs leg of rat, avoids it at struggling the in-process, and restriction groove 23 scratch the limbs leg of rat, and soft silica gel material has certain elasticity, toughness simultaneously, and the limbs leg that can be better fix and be located restriction groove 23 avoids the limbs leg to appear any rocking.
Preferably, the fitting manner of the upper fixing portion 21 and the lower fixing portion 22 can be various, such as a snap-fit manner, and also can be a magnetic attraction manner.
Specifically, when the fixing upper portion 21 and the fixing lower portion 22 are attached to each other in a snap-fit manner, the fixing upper portion 21 is provided with an upper hook portion 212, and the fixing lower portion 22 is provided with a lower hook portion 222 corresponding to the upper hook portion 212; when the upper hook 212 and the lower hook 222 are engaged with each other, the fixed upper portion 21 and the fixed lower portion 22 are stably bonded to each other.
The attachment is achieved by magnetic attraction, that is, magnetic attraction pieces, such as magnets, are arranged on the surfaces of the upper fixing portion 21 and the lower fixing portion 22 opposite to each other, so that the attachment of the upper fixing portion 21 and the lower fixing portion 22 is achieved by the attraction force between the magnetic attraction pieces.
Referring to fig. 4, the stationary table 10 is made of a stainless steel material, and is a generally rectangular-structured platform, but in this embodiment, the stationary table includes two parts, i.e., a first table 11 and a second table 12.
The first workbench 11 is a common rectangular structure, the first workbench 11 is horizontally arranged for placing the whole body of a rat, and the leg fixing seats 20 described above are distributed at four corners of the first workbench 11 to form effective control and fixation on the rat; the second worktable 12 is arranged obliquely relative to the first worktable 11, and the specific oblique direction is as follows: the one end that second workstation 12 and first workstation 11 meet is higher than the other end of second workstation 12, and the purpose that so set for is in order to form certain slope, makes the head bag part of rat press and puts at second workstation 12, when carrying out jugular vein to it and draw blood, the neck portion of rat leaks out outward, does benefit to the syringe needle more and pierces along the jugular vein, makes the easier of drawing blood.
Preferably, the tilt angle of the second worktable 12 relative to the first worktable 11 is α, where α is 10 ° or less and 15 °, and of course, in this embodiment, it is preferably 15 °.
The rat fixed on the fixing table 10 still struggles, and especially the body part of the rat often twists during the blood drawing process, so that the high efficiency of blood drawing is affected, therefore, the chest and abdomen fixing device 30 is designed to fix the body part of the rat; shank fixing base 20 restricts the four limbs of rat, and the health of the fixed rat of chest abdomen fixing device 30, both cooperate mutually to have realized fixing the rat omnidirectional, avoid it to appear strong wrench movement struggle, guarantee going on smoothly of the experiment of drawing blood.
Referring to fig. 5 to 6, the thoracico-abdominal fixing device 30 is disposed on the fixing table 10, and specifically, the thoracico-abdominal fixing device 30 includes a winding portion 31, a main body portion 32 and a pulling portion 33, wherein the main body portion 32 can be wound on the winding portion 31 in a circle, and the winding portion 31 can perform a winding operation on the main body portion 32.
Specifically, for the convenience of understanding, the main body 32 is divided into a connecting end, a middle body and a free end, the connecting end is fixed with the winding part 31, the middle body is fixed on the outer surface of the winding part 31 in a circle and the free end is fixedly connected with the traction part 33; the pulling part 33 is pulled to pull the main body part 32 out of the winding part 31; the winding portion 31 can automatically retract the drawn body portion 32 without pulling the drawing portion 33.
Specifically, the rolling portion 31 and the traction portion 33 are long rotating shafts with the same structure, the main body portion 32 is a soft strip-shaped member, such as a cloth strip, for example, made of PVC material, and the free end of the soft strip-shaped member is fixed on the outer circumferential surface of the traction portion 33 along the axial direction of the traction portion 33, so that the main body portion 32 is conveniently pulled out, and when the soft strip-shaped member covers the abdomen of the rat, even if the rat struggles, the body of the rat is not damaged.
When the winding part 31 is installed, the torsion springs are arranged at the two ends of the winding part 31 and connected with the fixed station 10 through the torsion springs, so that the winding part 31 has the function of automatic winding.
The manner of using the thoracoabdominal fixation device 30 is described below in a specific embodiment.
After the four limbs of the rat are fixed, a worker pulls the traction part 33 to pull the strip-shaped main body part 32 out of the rolling part 31, the rolling part 31 rotates anticlockwise to release the main body part 32, and at the moment, the torsion spring collects and twists potential energy to enable the rolling part 31 to have a clockwise rotation trend; the body part 32 after being pulled out is covered on the body of the rat, and the abdomen of the rat is fixed; after the blood sampling operation is completed, the traction part 33 is loosened, the winding part 31 automatically rotates clockwise under the driving of the torsional spring torsional potential energy, and the drawn main body part 32 is wound and recovered to realize automatic retraction.
In order to realize the completion by a single operator, a clamping part 34 is arranged at one end of the fixing table 10 opposite to the rolling part 31, the clamping part 34 is in a hook shape, after the traction part 33 pulls out the main body part 32, the main body part 32 fixes the abdomen of the rat, the traction part 33 is clamped in the hook of the clamping part 34, after the blood sampling work is completed, the traction part 33 is taken out of the clamping part 34, then the hand is released, the main body part 32 and the traction part 33 are automatically recycled under the rolling action of the rolling part 31, and the main body part 32 is automatically rolled back to the rolling part 31 again.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a rat jugular vein blood sampling fixer, includes fixed station (10) and shank fixing base (20), its characterized in that still includes chest belly fixing device (30), chest belly fixing device (30) include
A winding part (31) arranged in the fixed table (10);
a main body portion (32) including a connection end, an intermediate body, and a free end; the connecting end is fixed with the winding part (31), and the middle body is wound on the winding part (31) in the circumferential direction; and
a traction part (33), wherein the traction part (33) is connected with the free end of the main body part (32);
the body part (32) wound around the winding part (31) is pulled out and fixed to the abdomen of the rat by pulling the pulling part (33).
2. The rat jugular vein blood sampling fixer according to claim 1, wherein the coiling part (31) is a long rotating shaft, torsion springs are respectively arranged at two ends of the long rotating shaft, and the long rotating shaft is elastically fixed with the fixing table (10) through the torsion springs.
3. The rat jugular vein blood collection holder as claimed in claim 2, wherein the main body portion (32) is a soft strip-shaped member.
4. The rat jugular vein blood collection holder as claimed in claim 3, wherein the drawing part (33) is a long rotating shaft having the same size as the winding part (31), and the free end of the main body part (32) is fixed on the outer circumferential surface of the drawing part (33) along the axial direction of the drawing part (33).
5. The rat jugular vein blood sampling fixator according to claim 4, wherein the fixing table (10) is provided with a clamping portion (34) for fixing the traction portion (33), and the clamping portion (34) is arranged at one end of the fixing table (10) opposite to the rolling portion (31).
6. A rat jugular vein blood collection fixture according to claim 1, wherein the fixing table (10) comprises a first table (11) horizontally arranged and used for placing the body of the rat and a second table (12) obliquely arranged and used for pressing the brain pocket of the rat; leg fixing base (20) have four, four leg fixing base (20) distribute and establish the four corners of first workstation (11).
7. The rat jugular vein blood collection holder of claim 6, wherein the second table (12) is tilted at an angle of α relative to the first table (11), wherein α ≦ 10 α ≦ 15 °.
8. A rat jugular vein blood collection fixator according to any one of claims 1-7, wherein the leg fixing seat (20) comprises a fixing upper part (21) and a fixing lower part (22) hinged with the fixing upper part, and an upper through groove (211) is formed on the surface of the fixing upper part (21) facing the fixing lower part (22); the fixed lower part (22) is provided with a lower through groove (221) corresponding to the upper through groove (211); after the fixed upper part (21) is attached to the fixed lower part (22), the upper through groove (211) and the lower through groove (221) jointly form a limiting groove (23) for fixing the leg of the rat.
9. The rat jugular vein blood collection holder according to claim 8, wherein the fixing upper portion (21) is provided with an upper hook portion (212), and the fixing lower portion (22) is provided with a lower hook portion (222); the upper hook part (212) and the lower hook part (222) are hooked to realize stable attachment of the fixed upper part (21) and the fixed lower part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768872.3U CN213217848U (en) | 2020-05-11 | 2020-05-11 | Rat jugular vein blood sampling fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768872.3U CN213217848U (en) | 2020-05-11 | 2020-05-11 | Rat jugular vein blood sampling fixer |
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| Publication Number | Publication Date |
|---|---|
| CN213217848U true CN213217848U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020768872.3U Active CN213217848U (en) | 2020-05-11 | 2020-05-11 | Rat jugular vein blood sampling fixer |
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| Country | Link |
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| CN (1) | CN213217848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108483A1 (en) * | 2021-12-15 | 2023-06-22 | 深圳先进技术研究院 | Rat jugular vein blood taking fixing device |
-
2020
- 2020-05-11 CN CN202020768872.3U patent/CN213217848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108483A1 (en) * | 2021-12-15 | 2023-06-22 | 深圳先进技术研究院 | Rat jugular vein blood taking fixing device |
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Address after: Room 1, 2 / F, building 27, Wuhan Optics Valley International Biomedical enterprise accelerator phase 1.2, 388 Gaoxin 2nd Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Hubei Tianqin Biotechnology Co.,Ltd. Country or region after: China Address before: Room 1, 2 / F, building 27, Wuhan Optics Valley International Biomedical enterprise accelerator phase 1.2, 388 Gaoxin 2nd Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: HUBEI TOPGENE BIOLOGICAL TECHNOLOGY CO.,LTD. Country or region before: China |