CN215458951U

CN215458951U - Drug administration device

Info

Publication number: CN215458951U
Application number: CN202120918786.0U
Authority: CN
Inventors: 冉庆森; 李鑫; 李琦
Original assignee: Ran Qingsen
Current assignee: Ran Qingsen
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-11
Anticipated expiration: 2031-04-29

Abstract

The present invention provides a drug delivery device. A drug delivery device comprising: a U-shaped frame; the supporting plate is fixedly arranged on the inner wall of the bottom of the U-shaped frame; the injector penetrates through the supporting plate and is connected with the supporting plate in a sliding manner; a fixing mechanism mounted within the U-shaped frame. The drug administration device provided by the utility model has the advantages of convenience in use and safety in operation, and can prevent the white mouse from struggling to obstruct the operation.

Description

Drug administration device

Technical Field

The utility model relates to the technical field of pharmacological experiments, in particular to a drug delivery device.

Background

Pharmacology is a bridging discipline of medicine and pharmacy based on experiments. The pharmacological experiment course is an indispensable component in pharmacological teaching and has important effects on learning and mastering pharmacological knowledge. Among them, mice such as white mice are often used as subjects for pharmacological experiments, and when mice are administered by, for example, oral gavage technique, it is common for the experimenter to grasp the mice, control the mouth opening of the mice, and inject the drugs from the mouth of the mice using a syringe.

However, the traditional drug administration mode needs an experimenter to manually grab the white mouse and pacify the white mouse, so that the white mouse is attacked when being grabbed, the drug administration is hindered, and the experimental efficiency is reduced.

Therefore, there is a need to provide a drug delivery device that solves the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drug administration device which is convenient to use and safe to operate and can prevent white mice from struggling to obstruct operation.

In order to solve the above technical problems, the present invention provides a drug delivery device comprising: a U-shaped frame; the supporting plate is fixedly arranged on the inner wall of the bottom of the U-shaped frame; the injector penetrates through the supporting plate and is connected with the supporting plate in a sliding manner; a fixing mechanism mounted within the U-shaped frame.

Preferably, the dodging hole has been seted up on one side outer wall of backup pad, two mounting grooves have been seted up on the inner wall in dodging the hole, two equal slidable mounting has the arc clamp splice in the mounting groove, two equal fixed mounting has first spring, two on the one side outer wall that the arc clamp splice was kept away from each other the one end that first spring was kept away from each other respectively with two the inner wall fixed connection of mounting groove.

Preferably, the fixing mechanism includes: the novel multifunctional barrel comprises a barrel body, a pedal, an air bag, an operation opening and a limiting mechanism, wherein the barrel body is fixedly installed on the inner wall of the bottom of the U-shaped frame, the pedal is fixedly installed on the outer wall of one side of the barrel body, the air bag is fixedly installed on the inner wall of the bottom of the barrel body, the operation opening is formed in the top of the barrel body, and the limiting mechanism is installed on the U-shaped frame.

Preferably, the limiting mechanism comprises: a mounting plate, a motor, a screw rod, a carrying block, a connecting plate, a connecting rod, a first sleeve, a second spring and a fixing frame, the mounting plate is fixedly arranged on the inner walls of the two sides of the U-shaped frame, the motor is fixedly arranged on the top of the mounting plate, the screw rod is rotatably arranged at the top of the mounting plate, one end of the screw rod is fixedly connected with an output shaft of the motor, the loading block is sleeved on the screw rod in a threaded manner, the connecting plate penetrates through the mounting plate and is connected with the mounting plate in a sliding manner, the top of the connecting plate is fixedly connected with the carrying block, the connecting rod is fixedly arranged at the bottom of the connecting plate, the first sleeve is sleeved on the connecting rod in a sliding manner, the second spring is sleeved on the connecting rod, the both ends of second spring respectively with the connecting plate with first sleeve fixed connection, fixed frame fixed mounting be in on one side outer wall of first sleeve.

Preferably, the top of barrel has been seted up logical groove, two draw-in grooves have been seted up on the inner wall of barrel, fixed mounting has two fixture blocks on the outer wall of fixed frame, fixed mounting has the fence net on the inner wall of fixed frame.

Preferably, a support mechanism is mounted on an outer wall of the syringe, and the support mechanism includes: the second sleeve is sleeved on the outer wall of the injector in a threaded manner, the support rod is rotatably installed at the top of the second sleeve, the third spring is fixedly installed at the top of the second sleeve, the top end of the third spring is fixedly connected with the support rod, and the rubber block is fixedly installed at the top end of the support rod.

Compared with the related art, the drug delivery device provided by the utility model has the following beneficial effects:

the utility model provides a drug delivery device, which can clamp an injector through the arrangement of a supporting plate, an arc-shaped clamping block and a first spring, so that the injector is prevented from being always held by hand during operation, and the operation of grabbing a white mouse in the next step is facilitated; through the arrangement of the cylinder body, the air bag and the limiting mechanism, the position of the white mouse is convenient to fix, the four limbs of the white mouse are prevented from moving to block the administration operation when the medicine is injected, and meanwhile, the claws of the white mouse are prevented from hurting experimenters; through the setting of vaulting pole and third spring and block rubber, reach and prevent that mouse mouth closure hinders the operation of dosing in the injection process, simultaneously, through the setting of this supporting mechanism and handle, the position of portable U-shaped frame so that observe the position of the syringe needle in mouse esophagus and the medicine injection condition.

Drawings

FIG. 1 is a schematic structural view of a first embodiment of a drug delivery device provided in accordance with the present invention;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 1;

FIG. 4 is an assembled view of the U-shaped frame and securing mechanism of FIG. 1 in a side view;

FIG. 5 is a schematic structural view of a second embodiment of a drug delivery device provided in accordance with the present invention;

fig. 6 is an enlarged schematic view of a portion C shown in fig. 5.

Reference numbers in the figures: 1. a U-shaped frame; 2. a support plate; 3. an injector; 4. a barrel; 5. a pedal; 6. an air bag; 7. an operation port; 8. mounting a plate; 9. a motor; 10. a screw rod; 11. a carrier block; 12. a connecting plate; 13. a connecting rod; 14. a first sleeve; 15. a second spring; 16. a fixing frame; 17. a second sleeve; 18. a stay bar; 19. a third spring; 20. a rubber block.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-4 in combination, in a first embodiment of the present invention, a drug delivery device comprises: a U-shaped frame 1; the supporting plate 2 is fixedly arranged on the inner wall of the bottom of the U-shaped frame 1; the injector 3 penetrates through the supporting plate 2 and is in sliding connection with the supporting plate 2, the supporting plate 2 plays a supporting role on a needle cylinder of the injector 3, and the injector 3 is prevented from being held by hands for a long time so that an experimenter can conveniently grab a white mouse; and the fixing mechanism is arranged in the U-shaped frame 1.

For the centre gripping be convenient for when syringe 3 remove syringe 3, in this embodiment, it is preferred, seted up on one side outer wall of backup pad 2 and dodged the hole, two mounting grooves have been seted up on the inner wall in dodging the hole, two equal slidable mounting has the arc clamp splice, two on the one side outer wall that the arc clamp splice kept away from each other equal fixed mounting have first spring, two the one end that first spring kept away from each other respectively with two the inner wall fixed connection of mounting groove, two arc clamp splices are right during the centre gripping of syringe 3's cylinder, can control and promote syringe 3, and through two but the setting of first spring is adjusted by a small margin syringe 3's angle, simple operation.

In order to facilitate fixing of the mouse body, in this embodiment, it is preferable that a fixing mechanism is provided, the fixing mechanism including: barrel 4, footboard 5, gasbag 6, operation mouth 7 and stop gear, barrel 4 fixed mounting be in on the bottom inner wall of U-shaped frame 1, footboard 5 fixed mounting be in on one side outer wall of barrel 4, gasbag 6 fixed mounting be in on the bottom inner wall of barrel 4, operation mouth 7 is seted up the top of barrel 4, stop gear installs on U-shaped frame 1, the mice accessible footboard 5 gets into in the barrel 4, through past 6 intussuseptions of appropriate amount of air make its inflation in the gasbag, can make the back of mice with the top inner wall of barrel 4 contacts, can prevent that the mice from removing at will.

In order to prevent the mouse from escaping from the cylinder 4 during the operation, in this embodiment, a limiting mechanism is preferably provided, and the limiting mechanism includes: the mounting plate 8, the motor 9, the screw rod 10, the carrier block 11, the connecting plate 12, the connecting rod 13, the first sleeve 14, the second spring 15 and the fixing frame 16, the mounting plate 8 is fixedly mounted on the inner walls of the two sides of the U-shaped frame 1, the motor 9 is fixedly mounted at the top of the mounting plate 8, the screw rod 10 is rotatably mounted at the top of the mounting plate 8, one end of the screw rod 10 is fixedly connected with the output shaft of the motor 9, the carrier block 11 is sleeved on the screw rod 10 in a threaded manner, the connecting plate 12 penetrates through the mounting plate 8 and is slidably connected with the mounting plate 8, the top of the connecting plate 12 is fixedly connected with the carrier block 11, the sliding connection of the connecting plate 12 and the mounting plate 8 enables the carrier block 11 to only move in the horizontal direction and cannot rotate along with the screw rod 10 when the screw rod 10 rotates, the connecting rod 13 is fixedly mounted at the bottom of the connecting plate 12, the first sleeve 14 is sleeved on the connecting rod 13 in a sliding manner, the second spring 15 is sleeved on the connecting rod 13, the second spring 15 limits the upper and lower positions of the first sleeve 14, prevents the first sleeve 14 from directly sliding off the connecting rod 13, facilitates the entry of the white mouse into the cylinder 4, two ends of the second spring 15 are respectively and fixedly connected with the connecting plate 12 and the first sleeve 14, the fixing frame 16 is fixedly installed on the outer wall of one side of the first sleeve 14, the screw rod 10 is driven to rotate by the output shaft of the motor 9, the connecting rod 13 is driven to move by the transmission of the carrying block 11 and the connecting plate 12, and through the arrangement of the second spring 15, the fixing frame 16 and the barrier net, the mouse can be restrained in the cylinder 4, and the mouse can be prevented from escaping from the cylinder 4.

In this embodiment, it is preferred, logical groove has been seted up at the top of barrel 4, two draw-in grooves have been seted up on the inner wall of barrel 4, fixed mounting has two fixture blocks on the outer wall of fixed frame 16 is adjusting during the position of fixed frame 16, can with two the one end that the fixture block kept away from each other extends to two draw-in grooves respectively, and will fixed frame 16 restricts in the barrel 4, be convenient for connecting rod 13 with first sleeve 14 promotes fixed frame 16 removes, fixed mounting has the barrier net on the inner wall of fixed frame 16.

In order to facilitate observation of the experimental condition in the cylinder 4, in this embodiment, preferably, the cylinder 4 is made of a transparent acrylic plate.

In this embodiment:

when in use, the first step is as follows: the injector 3 sucks the medicine to be put through the needle head, the medicine is stored in the needle cylinder of the injector 3, and the needle cylinder of the injector 3 is clamped through the two arc-shaped clamping blocks;

the second step is that: placing a U-shaped frame 1 on an operation table, firstly placing a white mouse into a barrel 4 through a pedal 5, wherein the head of the white mouse faces the direction of an operation opening 7, after the body of the white mouse enters the barrel 4, downwards pulling a first sleeve 14 until the first sleeve 14 drives a fixed frame 16 to downwards move, stretching a second spring 15 until two clamping blocks on the fixed frame 16 are aligned with two clamping grooves on the inner wall of the barrel 4, starting a motor 9, driving a screw rod 10 to rotate by an output shaft of the motor 9, driving a connecting plate 12 to move towards the direction close to the operation opening 7 by a carrying block 11 on the screw rod 10, in the process, limiting the horizontal movement of the carrying block 11 on the top of a mounting plate 8 and not rotating along with the screw rod 10 through the sliding connection of the connecting plate 12 and a through groove, driving the first sleeve 14 and the fixed frame 16 on a connecting rod 13 to move towards the direction close to the operation opening 7 by the carrying block 11 and the connecting plate 12, observe the position of fixed frame 16 in barrel 4, until fixed frame 16 moves to suitable position, the tail accessible of mouse simultaneously fixed frame 16 and the barrel 4 inner wall between the space free movement, fill the air in to gasbag 6 through the gas-filled pipeline, until the back of mouse contacts with the top inner wall of barrel 4, the skin hair of rethread operation mouth 7 lift up mouse neck department makes the mouth of mouse open, promote syringe 3 until the syringe needle of syringe 3 extend to in the barrel 4 and stretch into the esophagus of mouse, slowly inject the medicine into the esophagus of mouse, accomplish the medicine of dosing.

the injector 3 can be clamped by the arrangement of the supporting plate 2, the arc-shaped clamping block and the first spring, so that the injector 3 is prevented from being held by hands all the time during operation, and the operation of grabbing a white mouse is facilitated; through

barrel

4 and 6 and stop gear's setting of gasbag, the position of the fixed mice of being convenient for, the four limbs of the mice are drawn and are moved and obstruct the operation of dosing when avoiding injecting the medicine, avoid the claw of the mice to cause the injury for the experimenter simultaneously.

Second embodiment:

based on the drug delivery device provided in the first embodiment of the present application, a second embodiment of the present application proposes another drug delivery device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Referring to fig. 5-6 in combination, the drug delivery device further comprises a support mechanism mounted on the outer wall of the syringe 3, the support mechanism comprising: the second sleeve 17 is sleeved on the outer wall of the injector 3 in a threaded manner, the support rod 18 is rotatably installed at the top of the second sleeve 17, the third spring 19 is fixedly installed at the top of the second sleeve 17, the top end of the third spring 19 is fixedly connected with the support rod 18, the rubber block 20 is fixedly installed at the top end of the support rod 18, the third spring 19 is compressed by pressing the support rod 18, the needle tube of the injector 3 can smoothly extend into the mouth of a white mouse and slowly release the support rod 18, and the third spring 19 moves towards the direction of recovery deformation, so that the rubber block 20 at the top end of the support rod 18 can abut against the palate of the white mouse, thereby facilitating administration operation and simultaneously facilitating observation of administration conditions.

In order to facilitate moving the U-shaped frame 1 and observing the operation process, in this embodiment, preferably, a handle is fixedly installed on an outer wall of one side of the U-shaped frame 1.

In this embodiment:

when the needle head of the injector 3 is pushed into the esophagus of the white mouse, the support rod 18 is pressed towards the direction close to the support plate 2, the third spring 19 is compressed, the fur at the neck of the white mouse is lifted upwards through the operation port 7, when the needle head of the injector 3 extends to the mouth of the white mouse, the support rod 18 is released slowly, the third spring 19 moves towards the recovery deformation direction until the rubber block 20 at the top of the support rod 18 props against the palate of the white mouse, the fur at the neck of the white mouse can be released, the position of the U-shaped frame 1 can be adjusted by lifting the handle, and the position of the needle head of the injector 3 in the esophagus of the white mouse and the drug injection condition can be observed conveniently.

the utility model provides a drug delivery device, which prevents mouse mouth from closing to obstruct drug delivery operation in the injection process through the arrangement of a support rod 18, a third spring 19 and a rubber block 20, and meanwhile, through the arrangement of a support mechanism and a handle, the position of a U-shaped frame 1 can be moved so as to observe the position of a needle head of an injector 3 in the esophagus of a white mouse and the drug injection condition.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, and the like of the device is not completely described, but on the premise that those skilled in the art understand the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A drug delivery device, comprising:

a U-shaped frame;

the supporting plate is fixedly arranged on the inner wall of the bottom of the U-shaped frame;

the injector penetrates through the supporting plate and is connected with the supporting plate in a sliding manner;

the fixing mechanism is arranged in the U-shaped frame;

the fixing mechanism includes: the novel multifunctional barrel comprises a barrel body, a pedal, an air bag, an operation opening and a limiting mechanism, wherein the barrel body is fixedly installed on the inner wall of the bottom of the U-shaped frame, the pedal is fixedly installed on the outer wall of one side of the barrel body, the air bag is fixedly installed on the inner wall of the bottom of the barrel body, the operation opening is formed in the top of the barrel body, and the limiting mechanism is installed on the U-shaped frame.

2. The drug delivery device according to claim 1, wherein an avoiding hole is formed in an outer wall of one side of the supporting plate, two mounting grooves are formed in an inner wall of the avoiding hole, arc-shaped clamping blocks are slidably mounted in the two mounting grooves, first springs are fixedly mounted on outer walls of two sides of the arc-shaped clamping blocks, which are far away from each other, and ends of the two first springs, which are far away from each other, are fixedly connected with inner walls of the two mounting grooves respectively.

3. The drug delivery device of claim 1, wherein the stop mechanism comprises: a mounting plate, a motor, a screw rod, a carrying block, a connecting plate, a connecting rod, a first sleeve, a second spring and a fixing frame, the mounting plate is fixedly arranged on the inner walls of the two sides of the U-shaped frame, the motor is fixedly arranged on the top of the mounting plate, the screw rod is rotatably arranged at the top of the mounting plate, one end of the screw rod is fixedly connected with an output shaft of the motor, the loading block is sleeved on the screw rod in a threaded manner, the connecting plate penetrates through the mounting plate and is connected with the mounting plate in a sliding manner, the top of the connecting plate is fixedly connected with the carrying block, the connecting rod is fixedly arranged at the bottom of the connecting plate, the first sleeve is sleeved on the connecting rod in a sliding manner, the second spring is sleeved on the connecting rod, the both ends of second spring respectively with the connecting plate with first sleeve fixed connection, fixed frame fixed mounting be in on one side outer wall of first sleeve.

4. The drug delivery device according to claim 3, wherein the top of the barrel is provided with a through slot, the inner wall of the barrel is provided with two clamping slots, the outer wall of the fixing frame is fixedly provided with two clamping blocks, and the inner wall of the fixing frame is fixedly provided with a barrier net.

5. A drug delivery device according to claim 1, wherein the injector has a support mechanism mounted on an outer wall thereof, the support mechanism comprising: the second sleeve is sleeved on the outer wall of the injector in a threaded manner, the support rod is rotatably installed at the top of the second sleeve, the third spring is fixedly installed at the top of the second sleeve, the top end of the third spring is fixedly connected with the support rod, and the rubber block is fixedly installed at the top end of the support rod.