CN220860204U - Animal experiment blood drawing device convenient to fix - Google Patents
Animal experiment blood drawing device convenient to fix Download PDFInfo
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- CN220860204U CN220860204U CN202321794692.2U CN202321794692U CN220860204U CN 220860204 U CN220860204 U CN 220860204U CN 202321794692 U CN202321794692 U CN 202321794692U CN 220860204 U CN220860204 U CN 220860204U
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- fixedly connected
- needle
- fixed block
- wall
- blood
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- 239000008280 blood Substances 0.000 title claims abstract description 74
- 210000004369 blood Anatomy 0.000 title claims abstract description 74
- 241001465754 Metazoa Species 0.000 title claims abstract description 50
- 230000001681 protective effect Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010241 blood sampling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to the field of animal experiment blood drawing devices, in particular to a blood drawing device convenient to fix for animal experiments. Including the needle tubing, syringe needle auxiliary structure is installed to the one end of needle tubing, auxiliary structure is located the arc surface of needle tubing, auxiliary structure includes the stopper, stopper and needle tubing fixed connection, the inner wall of stopper rotates and is connected with the axostylus axostyle, the arc surface fixedly connected with band of axostylus axostyle, the arc surface fixedly connected with fixed block on one side of the stopper is kept away from to the needle tubing, band and fixed block sliding connection, the inner wall sliding connection of fixed block has the slider, one side fixedly connected with connecting plate of fixed block is kept away from to the slider, be equipped with two springs between connecting plate and the fixed block, the both ends of spring respectively with connecting plate and fixed block fixed connection. The blood drawing device for the animal experiment, which is convenient to fix, has the advantage that the blood drawing needle can be conveniently fixed on the animal body.
Description
Technical Field
The utility model relates to the field of animal experiment blood drawing devices, in particular to a blood drawing device convenient to fix for animal experiments.
Background
Blood drawing needles are devices for drawing blood from animals, and are commonly used in daily life.
The prior art, such as the utility model with publication number CN108403127A, discloses a blood taking needle, which adopts a push rod, a puncture needle, a blood taking needle cylinder, a piston and a vacuum blood taking tube, wherein the front end of the blood taking needle cylinder is provided with the blood guiding tube, a needle outlet hole is arranged in the blood guiding tube, the inner wall of the middle part of the blood taking needle cylinder is connected with a piston baffle ring, the blood taking needle cylinder at the front side of the piston baffle ring is internally provided with the piston, the front side of the piston is provided with a needle seat, the front end of the needle seat is connected with the blood taking needle, the blood taking needle is safe and sanitary, the use safety is improved, the front end of the blood taking needle is penetrated out from the blood guiding tube, thereby being beneficial to the puncture of the blood taking needle into a physical examination student vein blood vessel, the puncture needle tip protecting sleeve and the rubber tube cap are also convenient to be penetrated into the vacuum blood taking tube, under the negative pressure influence in the vacuum blood taking tube, the blood in the student vein blood is flowed into the vacuum blood taking tube, and the blood taking work is completed, the push handle is loosened, the vacuum blood collection tube and the puncture needle are automatically separated, the blood collection tube is automatically pulled out of the vein of a student, the convenience of blood collection operation of the student is improved, the problems that a blood collection device for collecting a blood sample tube at present is usually composed of a plurality of parts such as the blood collection tube, a hose, a vacuum blood collection test tube and the like, the blood collection tube is small in volume, inconvenient to take and easy to slip or lose in the blood collection process, the puncture is easy to be caused by the blood collection tube protection device, the blood collection tube is easy to be damaged in the blood collection process, the blood collection safety is reduced, in addition, the vacuum blood collection test tube is also required to be manually connected with the puncture needle at the other end of the hose, the blood collection process is complex in operation, the parts are independently arranged, the workload of medical staff is increased, in addition, after blood collection, the blood collection tube is required to be manually pulled out of the blood collection tube from the vein of the student, and the puncture needle is required to be manually separated from the vacuum blood collection test tube, the efficiency and the effect of blood sampling are reduced, and the difficulty of blood sampling is increased.
The inventor finds that in daily work, the problem that the animal is struggled and the blood drawing needle is easy to fall off to cause secondary injury of the animal because the animal generates pain when the blood drawing needle is inserted into the animal body
Therefore, it is necessary to provide a new blood drawing device for animal experiments, which is convenient to fix, so as to solve the technical problems.
Disclosure of utility model
In order to solve the above technical problems, the utility model provides a blood drawing device for animal experiments, which is convenient to fix, comprising: needle tube, one end of the needle tube is provided with a needle head
The auxiliary structure is positioned on the arc surface of the needle tube and comprises a limiting block, the limiting block is fixedly connected with the needle tube, the inner wall of the limiting block is rotationally connected with a shaft rod, the arc surface of the shaft rod is fixedly connected with a binding belt, the arc surface of the needle tube, which is far away from one side of the limiting block, is fixedly connected with a fixed block, the binding belt is in sliding connection with the fixed block, the inner wall of the fixed block is in sliding connection with a sliding block, one side of the sliding block, which is far away from the fixed block, is fixedly connected with a connecting plate, two springs are arranged between the connecting plate and the fixed block, two ends of each spring are respectively fixedly connected with the connecting plate and the fixed block, and the inner wall of the fixed block is fixedly connected with an anti-skid sleeve;
the connecting structure is positioned at one end of the needle head away from the needle tube.
The effects achieved by the components are as follows: when the animal that needs to draw blood is fixed, pulling band removes, and the band drives the axostylus axostyle and removes, and the axostylus axostyle rotates at the inner wall of stopper, then puts into the band with the animal, then pulls the band and resets, inserts the fixed block with the band in, then pulls the connecting plate and remove, and the connecting plate drives the spring and stretches, then loosens the connecting plate spring and shrink and drive the slider and fix the band.
Preferably, the inner wall sliding connection of fixed block has two slide bars, slide bar and connecting plate fixed connection, the spring housing is on the arc surface of slide bar.
The effects achieved by the components are as follows: the limiting rod can limit the spring, so that the spring is prevented from deforming when the spring is used, and the service life of the spring is prolonged.
Preferably, the arc surfaces at two ends of the shaft rod are sleeved with coil springs, and two ends of each coil spring are fixedly connected with the limiting block and the binding belt respectively.
The effects achieved by the components are as follows: when the binding belt is required to be used, the binding belt is pulled to drive the coil spring to shrink, then animals are put in, and then the binding belt is pulled by loosening the coil spring to drive the binding belt to bind the animals.
Preferably, the cross section of the strap is rectangular, and the strap is made of rubber.
The effects achieved by the components are as follows: the band is soft for the rubber material, can protect the animal of drawing blood, avoids causing the damage to the animal.
Preferably, the connection structure comprises a protective shell, the protective shell is fixedly connected with the pipe body, a round groove is formed in the inner wall of the protective shell, the needle head is slidably connected with the round groove, a clamping groove is formed in the inner wall of the round groove, and two elastic blocks are fixedly connected with the arc surface of the needle head.
The effects achieved by the components are as follows: when the protective shell is required to be connected with the needle, the needle is pulled to move, then the needle is aligned with the protective shell, then the needle is inserted into the protective shell, the needle slides on the inner wall of the circular groove, the protective shell extrudes the elastic block, and after the elastic block moves to a proper position, the elastic block is clamped into the clamping groove to be fixed.
Preferably, the inner wall of the protective shell is fixedly connected with a sealing gasket, and the sealing gasket is a silica gel pad.
The effects achieved by the components are as follows: the sealing gasket can increase the tightness between the protective shell and the needle head, and can reduce the gap between the protective shell and the needle head.
Preferably, a protection pad is fixedly connected in the clamping groove, and the section of the protection pad is rectangular.
The effects achieved by the components are as follows: the protection pad can protect the elastic block, and abrasion is avoided when the elastic block is clamped with the clamping groove.
Compared with the related art, the blood drawing device for the animal experiment, which is convenient to fix, has the following beneficial effects:
The utility model provides a blood drawing device for animal experiments, which is convenient to fix, when animals needing to draw blood are fixed, a strap is pulled to move, a strap drives a shaft lever to move, the shaft lever rotates on the inner wall of a limiting block, the strap is pulled to drive a coil spring to shrink, then the animals are put in, then the strap coil spring is loosened to stretch and drive the strap to bind the animals, the strap is inserted into a fixed block, then a connecting plate is pulled to move, the connecting plate drives the spring to stretch, a limiting rod can limit the spring, then the connecting plate spring is loosened to shrink and drive a sliding block to fix the strap, the strap is made of rubber material and is softer, the animals drawing blood can be protected, damage to the animals is avoided, and an effect of conveniently fixing a blood drawing needle on the bodies of the animals is achieved by arranging an auxiliary structure.
When needs are connected with the protection shell and syringe needle, pulling syringe needle removes, then aligns syringe needle and protection shell, then inserts the syringe needle in the protection shell, and the syringe needle slides at the inner wall of circular slot, and the protection shell extrudees the elastic block, and after removing suitable position, the elastic block card is gone into in the draw-in groove and is fixed, and sealing gasket can increase the leakproofness between protection shell and the syringe needle, and the protection gasket can protect the elastic block, through setting up connection structure, has reached the effect that can conveniently protect the syringe needle
Drawings
FIG. 1 is a schematic diagram of a structure provided by the present utility model;
FIG. 2 is a schematic structural view of the auxiliary structure shown in FIG. 1;
FIG. 3 is an enlarged view of the portion A shown in FIG. 2;
FIG. 4 is an enlarged view at B shown in FIG. 2;
Fig. 5 is a schematic structural view of the connection structure shown in fig. 1.
Reference numerals in the drawings: 1. a needle tube; 2. a needle; 3. an auxiliary structure; 31. a binding belt; 32. an anti-skid sleeve; 33. a fixed block; 34. a slide block; 35. a connecting plate; 36. a spring; 37. a slide bar; 38. a limiting block; 39. a coil spring; 4. a connection structure; 41. an elastic block; 42. a sealing gasket; 43. a protective shell; 44. a clamping groove; 45. a protective pad; 46. a circular groove.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 4, an animal experiment blood drawing device convenient to fix according to an embodiment of the present utility model includes: needle tube 1, needle head 2 is installed to the one end of needle tube 1.
In the embodiment of the utility model, referring to fig. 1 and 4, an auxiliary structure 3, the auxiliary structure 3 is located on an arc surface of a needle tube 1, the auxiliary structure 3 comprises a limiting block 38, the limiting block 38 is fixedly connected with the needle tube 1, an inner wall of the limiting block 38 is rotationally connected with a shaft lever, an arc surface of the shaft lever is fixedly connected with a binding belt 31, an arc surface of one side of the needle tube 1, which is far away from the limiting block 38, is fixedly connected with a fixed block 33, the binding belt 31 is in sliding connection with the fixed block 33, the inner wall of the fixed block 33 is in sliding connection with a sliding block 34, one side of the sliding block 34, which is far away from the fixed block 33, is fixedly connected with a connecting plate 35, two springs 36 are arranged between the connecting plate 35 and the fixed block 33, and two ends of each spring 36 are respectively fixedly connected with the connecting plate 35 and the fixed block 33, and the inner wall of the fixed block 33 is fixedly connected with an anti-skid sleeve 32;
And the connecting structure 4 is positioned at one end of the needle head 2 away from the needle tube 1. When the animal that needs to draw blood is fixed, pulling band 31 moves, band 31 drives the axostylus axostyle to move, and the axostylus axostyle rotates at the inner wall of stopper 38, then puts the animal into band 31, then pulls band 31 and resets, inserts band 31 in fixed block 33, then pulls connecting plate 35 and moves, connecting plate 35 drives spring 36 and stretches, then loosens connecting plate 35 spring 36 and contracts and drive slider 34 and fix band 31, the inner wall sliding connection of fixed block 33 has two slide bars 37, slide bar 37 and connecting plate 35 fixed connection, spring 36 overlaps on the arc surface of slide bar 37. The limiting rod can limit the spring 36, so that the spring 36 is prevented from deforming when in use, the service life of the spring 36 is prolonged, the arc surfaces at the two ends of the shaft rod are sleeved with the coil springs 39, and the two ends of the coil springs 39 are fixedly connected with the limiting block 38 and the binding belt 31 respectively. When the strap 31 needs to be used, the strap 31 is pulled to drive the coil spring 39 to shrink, then animals are put in, and then the strap 31 is loosened to stretch the coil spring 39 to drive the strap 31 to bind the animals, the section of the strap 31 is rectangular, and the strap 31 is made of rubber. The belt 31 is made of soft rubber, so that animals with blood drawing can be protected, and damage to the animals is avoided;
In the embodiment of the present utility model, referring to fig. 1 and 5, the connection structure 4 includes a protecting shell 43, the protecting shell 43 is fixedly connected with the tube body, a circular groove 46 is formed on the inner wall of the protecting shell 43, the needle 2 is slidably connected with the circular groove 46, a clamping groove 44 is formed on the inner wall of the circular groove 46, and two elastic blocks 41 are fixedly connected with the arc surface of the needle 2. When the protective shell 43 and the needle 2 are required to be connected, the needle 2 is pulled to move, then the needle 2 is aligned with the protective shell 43, then the needle 2 is inserted into the protective shell 43, the needle 2 slides on the inner wall of the circular groove 46, the protective shell 43 extrudes the elastic block 41, after the protective shell is moved to a proper position, the elastic block 41 is clamped into the clamping groove 44 to be fixed, the sealing gasket 42 is fixedly connected to the inner wall of the protective shell 43, and the sealing gasket 42 is a silica gel pad. The sealing gasket 42 can increase the tightness between the protective shell 43 and the needle head 2, can reduce the gap between the protective shell 43 and the needle head 2, the inside of the clamping groove 44 is fixedly connected with the protective gasket 45, and the section of the protective gasket 45 is rectangular. The protection pad 45 can protect the elastic block 41, so that abrasion is avoided when the elastic block 41 is clamped with the clamping groove 44;
The utility model provides a blood drawing device for animal experiments, which is convenient to fix, and the working principle is as follows: the utility model provides a blood drawing device for animal experiments, which is convenient to fix, when animals needing to draw blood are fixed, a strap 31 is pulled to move, a strap 31 drives a shaft lever to move, the shaft lever rotates on the inner wall of a limiting block 38, the strap 31 is pulled to drive a coil spring 39 to shrink, then the animals are put in, then the strap 31 is loosened to stretch the coil spring 39 to drive the strap 31 to bind the animals, the strap 31 is inserted into a fixed block 33, then a connecting plate 35 is pulled to move, the connecting plate 35 drives a spring 36 to stretch, a limiting rod can limit the spring 36, then the connecting plate 35 is loosened to shrink the spring 36 to drive a sliding block 34 to fix the strap 31, the strap 31 is made of rubber material and is soft, the animals drawing blood can be protected, and the effect of conveniently fixing a blood drawing needle on the bodies of the animals is achieved by arranging an auxiliary structure 3.
When needs are connected with protection shell 43 and syringe needle 2, pulling syringe needle 2 removes, then aligns syringe needle 2 and protection shell 43, then insert syringe needle 2 in protection shell 43, syringe needle 2 slides at the inner wall of circular slot 46, protection shell 43 extrudees elastic block 41, after removing suitable position, elastic block 41 card is fixed in draw-in groove 44, sealing pad 42 can increase the leakproofness between protection shell 43 and the syringe needle 2, protection pad 45 can protect elastic block 41, through setting up connection structure 4, the effect that can conveniently protect syringe needle 2 has been reached.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. Blood drawing device for animal experiments convenient to it is fixed, characterized in that includes:
needle tube (1), one end of the needle tube (1) is provided with a needle head (2)
Auxiliary structure (3), auxiliary structure (3) are located the arc surface of needle tubing (1), auxiliary structure (3) include stopper (38), stopper (38) and needle tubing (1) fixed connection, the inner wall of stopper (38) rotates and is connected with the axostylus axostyle, the arc surface fixedly connected with band (31) of axostylus axostyle, arc surface fixedly connected with fixed block (33) on one side is kept away from to needle tubing (1), band (31) and fixed block (33) sliding connection, the inner wall sliding connection of fixed block (33) has slider (34), one side fixedly connected with connecting plate (35) of fixed block (33) is kept away from to slider (34), be equipped with two springs (36) between connecting plate (35) and the fixed block (33), the both ends of spring (36) are respectively with connecting plate (35) and fixed block (33) fixed connection, the inner wall fixedly connected with anti-skidding sleeve (32) of fixed block (33);
The connecting structure (4) is positioned at one end of the needle head (2) far away from the needle tube (1).
2. The device for drawing blood for animal experiments convenient to fix according to claim 1, wherein the inner wall of the fixed block (33) is slidably connected with two sliding rods (37), the sliding rods (37) are fixedly connected with the connecting plate (35), and the springs (36) are sleeved on the arc surfaces of the sliding rods (37).
3. The blood drawing device for animal experiments convenient to fix according to claim 1, wherein the arc surfaces at the two ends of the shaft rod are sleeved with coil springs (39), and the two ends of the coil springs (39) are fixedly connected with limiting blocks (38) and the binding belt (31) respectively.
4. The blood drawing device for animal experiments convenient to fix according to claim 1, wherein the cross section of the strap (31) is rectangular, and the strap (31) is made of rubber.
5. The device for drawing blood for animal experiments convenient to fix according to claim 1, wherein the connecting structure (4) comprises a protecting shell (43), the protecting shell (43) is fixedly connected with the tube body, a circular groove (46) is formed in the inner wall of the protecting shell (43), the needle head (2) is slidably connected with the circular groove (46), a clamping groove (44) is formed in the inner wall of the circular groove (46), and two elastic blocks (41) are fixedly connected to the arc surface of the needle head (2).
6. The blood drawing device for animal experiments convenient to fix according to claim 5, wherein a sealing pad (42) is fixedly connected to the inner wall of the protective shell (43), and the sealing pad (42) is a silica gel pad.
7. The blood drawing device for animal experiments convenient to fix according to claim 5, wherein a protective pad (45) is fixedly connected to the inside of the clamping groove (44), and the protective pad (45) has a rectangular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794692.2U CN220860204U (en) | 2023-07-10 | 2023-07-10 | Animal experiment blood drawing device convenient to fix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794692.2U CN220860204U (en) | 2023-07-10 | 2023-07-10 | Animal experiment blood drawing device convenient to fix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220860204U true CN220860204U (en) | 2024-04-30 |
Family
ID=90811973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321794692.2U Active CN220860204U (en) | 2023-07-10 | 2023-07-10 | Animal experiment blood drawing device convenient to fix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220860204U (en) |
-
2023
- 2023-07-10 CN CN202321794692.2U patent/CN220860204U/en active Active
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