CN215606553U - Ear vein indwelling needle for rabbit experiment teaching - Google Patents
Ear vein indwelling needle for rabbit experiment teaching Download PDFInfo
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- CN215606553U CN215606553U CN202121743613.6U CN202121743613U CN215606553U CN 215606553 U CN215606553 U CN 215606553U CN 202121743613 U CN202121743613 U CN 202121743613U CN 215606553 U CN215606553 U CN 215606553U
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- ear
- needle
- magnet
- indwelling needle
- liquid inlet
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- 210000003462 vein Anatomy 0.000 title claims abstract description 52
- 241000283973 Oryctolagus cuniculus Species 0.000 title claims abstract description 49
- 238000002474 experimental method Methods 0.000 title abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 23
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229960002897 heparin Drugs 0.000 claims abstract description 17
- 229920000669 heparin Polymers 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 210000004761 scalp Anatomy 0.000 abstract description 4
- 239000008280 blood Substances 0.000 abstract description 3
- 210000004369 blood Anatomy 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 229940035674 anesthetics Drugs 0.000 abstract 1
- 239000003193 general anesthetic agent Substances 0.000 abstract 1
- 238000001802 infusion Methods 0.000 description 8
- 206010002091 Anaesthesia Diseases 0.000 description 6
- 230000037005 anaesthesia Effects 0.000 description 6
- 230000003444 anaesthetic effect Effects 0.000 description 6
- 239000002504 physiological saline solution Substances 0.000 description 6
- 240000007711 Peperomia pellucida Species 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 238000001990 intravenous administration Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000010241 blood sampling Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本实用新型公开了一种家兔实验教学用耳缘静脉留置针装置，包括进液管、软管和针芯，所述软管设置于进液管的一端且与进液管连通，所述针芯活动设置于软管内，还包括侧管，所述侧管设置于进液管侧部且与进液管连通，所述侧管上设置有可调节侧管内流体流速的限速部件，所述限速部件包括活动设置于侧管内的挡片；所述耳缘静脉留置针装置还包括肝素帽、多个磁铁和铁片。该装置通过设置进液管、软管、侧管和可调节侧管内流体流速的限速部件，解决了以往用头皮针穿刺家兔耳缘静脉时常发生的针头脱落、不便固定的弊端，减少了麻醉药推注过快致家兔死亡不能继续实验的几率，有利于保持静脉通畅，实现多次给药与采血，提高工作效率和教学效果。
The utility model discloses an ear marginal vein indwelling needle device for experimental teaching in rabbits, which comprises a liquid inlet tube, a flexible tube and a needle core. The needle core is movably arranged in the hose, and also includes a side pipe, the side pipe is arranged on the side of the liquid inlet pipe and communicated with the liquid inlet pipe, the side pipe is provided with a speed-limiting component that can adjust the fluid flow rate in the side pipe, The speed-limiting component includes a blocking piece movably arranged in the side tube; the ear vein indwelling needle device further includes a heparin cap, a plurality of magnets and iron pieces. By setting the liquid inlet pipe, the flexible tube, the side pipe and the speed-limiting part that can adjust the fluid flow rate in the side pipe, the device solves the disadvantages of the needle falling off and inconvenient fixation that often occurred when the scalp needle was used to puncture the ear vein of the rabbit in the past. The probability of death of rabbits due to rapid injection of anesthetics and the failure to continue the experiment is conducive to maintaining patency of the vein, realizing multiple administration and blood collection, and improving work efficiency and teaching effect.
Description
Technical Field
The utility model belongs to the technical field of experimental equipment, and particularly relates to an ear vein indwelling needle for rabbit experiment teaching.
Background
In the function experiment teaching, rabbits are commonly used for experiment observation, the experiment operation relates to ear marginal vein instillation of physiological saline and multiple times of intravenous injection administration, the traditional method comprises the steps of firstly puncturing the ear marginal vein by a scalp needle, fixing a needle head and a rabbit ear by an artery clamp or a medical adhesive tape, then connecting the needle head and the rabbit ear with an infusion tube, disconnecting the infusion tube during administration, connecting an injector for administration, and connecting the administered drug with the infusion tube again for instillation of the physiological saline. In actual work, the phenomenon that a needle head drops frequently in auricular vein puncture due to unskilled operation technology of students is found, and after a transfusion tube and a scalp needle are repeatedly disconnected and connected, the conditions that an artery clamp loosens and the scalp needle drops can occur, auricular veins need to be punctured for many times, finally, blood vessels are seriously damaged, the experiment cannot be continued, and the teaching effect is influenced.
In the functional experiment, when the rabbits are subjected to intravenous anesthesia, the dosage rate of the qian 1/3 dose can be slightly faster, and the vital signs of the animals are closely observed when the later 2/3 dose is injected. However, in actual operation, students have deviation in understanding the administration rate, and the phenomenon that rabbits die due to the fact that the injection rate of the anesthetic is too high frequently causes the experiment to be unable to continue, so that the teaching effect is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an ear vein indwelling needle for rabbit experiment teaching aiming at the defects of the prior art, the device realizes intravenous drip and administration of rabbits in the experiment teaching by arranging a liquid inlet pipe, a flexible pipe, a side pipe and a speed limiting part capable of adjusting the flow rate of fluid in the side pipe, can effectively reduce puncture times, has high drip administration stability, can realize multiple administration and blood collection, reduces the probability of anesthesia death of the rabbits, and improves the working efficiency and the teaching effect.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a needle is kept somewhere with ear edge vein in rabbit experiment teaching, includes feed liquor pipe, hose and nook closing member, the hose set up in the one end of feed liquor pipe and with feed liquor pipe intercommunication, nook closing member activity sets up in the hose, its characterized in that still includes the side pipe, the side pipe sets up in feed liquor pipe lateral part and with feed liquor pipe intercommunication, be provided with the speed limit part of the intraductal fluid velocity of adjustable side on the side pipe, the speed limit part sets up the separation blade in the side pipe including the activity.
The ear vein indwelling needle for the rabbit experiment teaching is characterized in that a notch matched with the blocking piece is formed in the side tube.
Foretell rabbit experiment teaching is with ear vein detained needle, a serial communication port, ear vein detained needle still includes movable connecting part, movable connecting part is including fixed the baffle storehouse that sets up on the lateral wall of the side pipe, rotationally be provided with the screw rod on the baffle storehouse, the screw rod penetrates in the baffle storehouse, the baffle is fixed in on the part that the screw rod is located the baffle storehouse, set up the opening that can supply to pass the baffle on the baffle storehouse lateral wall.
The ear vein indwelling needle for rabbit experiment teaching is characterized in that an included angle is formed between the liquid inlet pipe and the side pipe, and the included angle is 30-60 degrees.
Foretell rabbit experiment teaching is with ear vein detained needle, its characterized in that, ear vein detained needle still sets up first heparin cap on the feed liquor pipe and can dismantle the second heparin cap that sets up on the side pipe including dismantling.
Foretell rabbit experiment teaching is with ear vein needle of keeping somewhere, its characterized in that, ear vein is kept somewhere the needle still including setting up the needle wing on the feed liquor pipe lateral wall, the needle wing is just right with the side pipe.
Foretell rabbit experiment teaching is with ear edge vein detained needle, its characterized in that, ear edge vein detained needle still includes first magnet, second magnet and third magnet, first magnet and second magnet set up respectively on the feed liquor pipe, third magnet sets up on the side pipe.
Foretell rabbit experiment teaching is with ear vein detained needle, its characterized in that, ear vein detained needle still includes the iron sheet that can inhale the connection with first magnet, second magnet and third magnet magnetism, the shape of iron sheet is oval.
Compared with the prior art, the utility model has the following advantages:
1. the utility model realizes intravenous drip and administration of the rabbits in experimental teaching through the liquid inlet pipe, the hose, the side pipe and the speed limiting part capable of adjusting the flow velocity of the fluid in the side pipe, can effectively reduce puncture times, has high drip administration stability, can realize multiple administration and blood sampling, reduces the probability of anesthesia death of the rabbits, and improves the working efficiency and the teaching effect.
2. Preferably, the device comprises a movable connecting part which is used for movably connecting the baffle and comprises a baffle bin, a screw and an opening, so that the adjustment of the area of the baffle extending into the side pipe can be effectively realized, the flow rate control of fluid in the side pipe is realized, and the death of the experimental rabbit caused by the over-high anesthesia rate is avoided.
3. Preferably, the liquid feeding device also comprises a plurality of magnets and patches, so that the liquid feeding pipe can be conveniently and quickly fixedly connected with rabbit ears, and stable instillation administration is realized.
4. The utility model has simple structure, reliable principle, convenient operation and high popularization and application value.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the pipe clamp.
Fig. 3 is a schematic structural view of an iron sheet.
Description of reference numerals:
1-a hose; 2-liquid inlet pipe; 21-a first heparin cap;
3-side tube; 31-a second heparin cap; 41-a baffle bin;
42-screw rod; 43-a baffle plate; 44-an opening;
5, needle wing; 61 — a first magnet; 62-a second magnet;
63-a third magnet; 64-iron sheet; 8-the stylet.
Detailed Description
As shown in fig. 1 ~ 3, this embodiment provides a needle is kept somewhere with ear vein in rabbit experiment teaching, including feed liquor pipe 2, hose 1 and nook closing member 8, hose 1 sets up in the one end of feed liquor pipe 2 and communicates with feed liquor pipe 2, nook closing member 8 activity sets up in hose 1, still includes side pipe 3, side pipe 3 sets up in feed liquor pipe 2 lateral part and with feed liquor pipe 2 intercommunication, be provided with the speed limit part of the fluid velocity in adjustable side pipe 3 on the side pipe 3, the speed limit part is including the separation blade 43 that the activity set up in side pipe 3.
The utility model realizes intravenous drip and administration for rabbits in experimental teaching by arranging the liquid inlet pipe, the hose, the side pipe and the speed limiting part capable of adjusting the flow speed of the fluid in the side pipe, can effectively reduce puncture times, has high drip administration stability, can realize multiple administration and blood sampling, and reduces the probability of anesthesia death of the rabbits.
In the rabbit experiment teaching of this embodiment is with ear vein indwelling needle, set up the incision that matches with separation blade 43 on the side pipe 3.
In the rabbit experiment teaching of this embodiment is with ear edge vein detaining needle, ear edge vein detaining needle still includes movable connecting part, movable connecting part is including fixed the baffle storehouse 41 that sets up on the lateral wall of lateral tube 3, rotationally be provided with screw rod 42 on the baffle storehouse 41, screw rod 42 penetrates in the baffle storehouse 41, baffle 43 is fixed in on the part that screw rod 42 is located baffle storehouse 41, set up the opening 44 that can supply to pass baffle 43 on the baffle storehouse 41 lateral wall.
Preferably, the device comprises a movable connecting part which is used for movably connecting the baffle and comprises a baffle bin, a screw and an opening, so that the adjustment of the area of the baffle extending into the side pipe can be effectively realized, the flow rate control of fluid in the side pipe is realized, and the death of the experimental rabbit caused by the over-high anesthesia rate is avoided.
In the ear vein indwelling needle for rabbit experiment teaching of this embodiment, an included angle is formed between the liquid inlet pipe 2 and the side pipe 3, and the angle of the included angle is 30-60 °.
In the rabbit experiment teaching of this embodiment is with ear vein detaining needle, ear vein detains needle still including dismantling the first heparin cap 21 that sets up on feed liquor pipe 2 and dismantling the second heparin cap 31 that sets up on side pipe 3.
In the rabbit experiment teaching of this embodiment is with ear edge vein needle of keeping somewhere, ear edge vein needle of keeping somewhere still is including setting up the needle wing 5 on 2 lateral walls of feed liquor pipe, needle wing 5 is just right with side pipe 3.
In the rabbit experiment teaching of this embodiment is with ear edge vein detaining needle, ear edge vein detaining needle still includes first magnet 61, second magnet 62 and third magnet 63, first magnet 61 and second magnet 62 set up respectively on feed liquor pipe 2, third magnet 63 sets up on side pipe 3, and the incision that third magnet 63 seted up on position on side pipe 3 and side pipe 3 is just deviating from.
In the rabbit experiment teaching of this embodiment is with ear vein detaining needle, ear vein detaining needle still includes can inhale the iron sheet 64 of being connected with first magnet 61, second magnet 62 and third magnet 63 magnetism, the shape of iron sheet 64 is oval.
Preferably, the liquid feeding device also comprises a plurality of magnets and iron sheets, so that the liquid feeding pipe can be conveniently and quickly fixedly connected with rabbit ears, and stable instillation administration is realized.
The intravenous drip administration method for rabbit experiment teaching comprises the following steps:
firstly, opening a cover of a first heparin cap 21, communicating a needle head of a medical bag infusion tube filled with physiological saline with a liquid inlet tube 2 through the first heparin cap 21, exhausting air, penetrating a needle core 8 and a hose 1 into a vein at the ear edge of a rabbit by using a needle holding wing 5, drawing out the needle core 8 after blood return is seen, pushing the hose 1 to the proximal end along a blood vessel wall as appropriate so as to avoid the phenomenon of falling off of the hose, cushioning an iron sheet 64 under the rabbit ear, enabling a first magnet 61, a second magnet 62 and a third magnet 63 to be close to the rabbit ear, and fixing an indwelling needle on the rabbit ear by using the magnetic attraction force of the first magnet 61, the second magnet 62, the third magnet 63 and the iron sheet 64 so as to be ready for use;
and step two, opening the cover of the second heparin cap 31, connecting the anesthetic with the side tube 3 through the second heparin cap 31, adjusting the flow rate of the infusion tube to zero, injecting 1/3 doses of anesthetic, rotating the screw 43 to enable the blocking piece 43 to enter the side tube 3 through the upper opening of the side tube 3 and stay at a proper position, continuing to administer the anesthetic to the rabbit, pulling out the anesthetic when the experimental rabbit reaches the anesthetic indication, covering the cover of the second heparin cap 31, and adjusting the flow rate of the infusion tube to continue to inject the physiological saline.
Step three, when the experimental medicine needs to be administered, the cover of the second heparin cap 31 is opened, the experimental medicine is connected with the side tube 3 through the second heparin cap 31, the screw 43 is rotated to enable the blocking piece to be located at the maximum opening position, the flow rate of the infusion tube is adjusted to be zero, the experimental medicine is injected for administration, a small amount of physiological saline continues to be injected after the administration, the residual medicine in the indwelling needle enters the body of the rabbit, the administration dosage is ensured, the cover of the second heparin cap 31 is covered, and the flow rate of the infusion tube is adjusted to continue to inject the physiological saline.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743613.6U CN215606553U (en) | 2021-07-28 | 2021-07-28 | Ear vein indwelling needle for rabbit experiment teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743613.6U CN215606553U (en) | 2021-07-28 | 2021-07-28 | Ear vein indwelling needle for rabbit experiment teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215606553U true CN215606553U (en) | 2022-01-25 |
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ID=79893151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121743613.6U Active CN215606553U (en) | 2021-07-28 | 2021-07-28 | Ear vein indwelling needle for rabbit experiment teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215606553U (en) |
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2021
- 2021-07-28 CN CN202121743613.6U patent/CN215606553U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240925 Address after: Room 2802, Building C, Wangzuo Qujiang, No. 3269 Yanxiang Road, Qujiang New District, Xi'an City, Shaanxi Province 710054 Patentee after: Xi'an Huitian Medical Technology Co.,Ltd. Country or region after: China Address before: 710021 Shaanxi province Xi'an Weiyang Wang Xin Road No. 1 Patentee before: XI'AN MEDICAL University Country or region before: China |