Rat mouth expanding pharynx drug delivery device
By designing a rat oral pharyngeal drug delivery device, which uses components such as a support plate and a limiting plate to stably open the rat's throat, the problem of existing devices being unable to open the throat was solved, achieving stable drug delivery and convenient disassembly.
Patent Information
- Application Number
- CN202422843326.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Existing drug delivery devices cannot effectively open the rat's pharynx, leading to unstable drug delivery and easy damage to the devices. Experimental rats may also chew on the devices.
A rat oral pharyngeal drug delivery device was designed, comprising a drug delivery needle, a drug delivery piston, a limiting plate, a spreading plate, a handle, and a positioning buckle. The spreading plate opens the rat's pharynx, and the limiting plate limits the insertion depth, achieving stable drug delivery and convenient disassembly.
It achieves stable opening of the rat's pharynx, facilitating drug administration, preventing damage to the device from biting, and making it easy to disassemble and push the drug, thus improving the stability and safety of drug administration.
Smart Images
Figure CN223715854U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rat dosing technical field, concretely is a rat open mouth pharynx dosing device. BACKGROUND
[0002] Experimental mouse is the largest kind of experimental animal, and is widely used in the safety, toxicity and efficacy of food, cosmetics, drugs, biological products and other experiments, and is divided into rats and mice, and needs to be assisted by dosing equipment to pour medicine for experimental mouse in the process of experiment.
[0003] The common dosing equipment is directly used needle tube dosing, and the experimental personnel need to control experimental mouse with one hand and insert the needle tube into the pharynx of experimental mouse and inject medicine with the other hand, but the dosing equipment cannot open and limit the mouth of experimental mouse when dosing, and experimental mouse can bite the dosing equipment, thereby causing damage of the dosing equipment and affecting the stability of dosing.
[0004] The rat open mouth pharynx dosing device is urgently needed to solve the technical defects in the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a rat open mouth pharynx dosing device to solve the problem of inconvenient pharynx dosing in the above background technology.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a rat open mouth pharynx dosing device, including dosing needle tube, the inside of dosing needle tube is installed with push medicine piston, the output end of dosing needle tube is fixedly connected with connecting pipe, the right side of connecting pipe is installed with mounting sleeve, the right side of mounting sleeve is fixedly connected with limiting plate, the right side of limiting plate is fixedly connected with inserting pipe, the inside of inserting pipe is fixedly connected with conveying pipe, the top end and bottom end of the right side of limiting plate are movably connected with open board, the left side of open board is fixedly connected with handle, the handle is fixedly connected with positioning buckle, the top end and bottom end of mounting sleeve are fixedly connected with positioning slot.
[0007] Preferably, the open board is provided with two groups, and the outside of the open board is fixedly connected with a silica gel pad.
[0008] Preferably, the handle and the mounting sleeve are fixedly connected through the positioning slot and the positioning buckle.
[0009] Preferably, the outside of the connecting pipe is provided with a threaded groove, the inside of the mounting sleeve is provided with a threaded hole, and the connecting pipe is embedded in the inside of the threaded hole in a threaded connection.
[0010] Preferably, the end of the connecting pipe is inserted into the inside of the conveying pipe, and the end of the inserting pipe is provided with a dosing port.
[0011] Preferably, the front end of the administration needle tube is provided with a scale line.
[0012] Compared with the prior art, the rat mouth and pharynx expanding administration device has the advantages that: the rat mouth and pharynx expanding administration device not only has the function of facilitating administration, but also has the functions of facilitating disassembly and facilitating medicine pushing.
[0013] The administration device comprises a delivery pipe, a cannula, an expanding plate, a silica gel pad, a handle, a positioning clamping groove and a positioning buckle, the cannula is inserted into the mouth of the rat until the limiting plate is attached to the mouth of the rat, then the handle is pressed inward, the positioning buckle on the handle is clamped and fixed with the positioning clamping groove on the mounting sleeve, the expanding plate is opened to expand the throat of the rat, the administration of the rat is facilitated, and even if the rat wants to close the mouth and bite, the force will not affect the normal expanding state because the expanding plate is mostly inserted into the throat of the rat, so that the function of facilitating administration is realized.
[0014] The mounting sleeve is mounted on the connecting pipe, the connecting pipe is inserted into the threaded hole on the mounting sleeve, the mounting sleeve is fixedly mounted on the connecting pipe by rotating the mounting sleeve, the medicine in the administration needle tube is sent into the cannula through the connecting pipe to administer the medicine, and the mounting sleeve is detached by rotating the mounting sleeve in the reverse direction when disassembling, so that the function of facilitating disassembly is realized.
[0015] The administration device comprises an administration needle tube, a medicine pushing piston, a limiting plate and a scale line, the cannula is inserted into the throat of the rat, the limiting plate can limit the insertion depth, and the limiting plate can prevent the cannula from being excessively inserted into the throat of the rat during the process of pushing the medicine by the medicine pushing piston on the administration needle tube, so that the function of facilitating stable medicine pushing is realized. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view of the sectional structure of the utility model;
[0017] Figure 2 It is a front view of the structure of the utility model;
[0018] Figure 3 It is a front view of the structure of the utility model; Figure 1 It is an enlarged structure schematic view of A in the utility model;
[0019] Figure 4 It is a front view of the sectional structure of the cannula of the utility model.
[0020] In the figure: 1, the administration needle tube; 2, push medicine piston; 3, connecting pipe; 4, mounting sleeve; 5, limiting plate; 6, delivery pipe; 7, cannula; 8, prop open plate; 9, scale line; 10, threaded hole; 11, threaded groove; 12, silica gel pad; 13, handle; 14, positioning clamping groove; 15, positioning buckle. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-4 An embodiment provided by the utility model: a rat pharyngeal administration device, comprising an administration needle tube 1, a push medicine piston 2 is installed inside the administration needle tube 1, a connecting pipe 3 is fixedly connected to the output end of the administration needle tube 1, a mounting sleeve 4 is installed on the right side of the connecting pipe 3, a limiting plate 5 is fixedly connected to the right side of the mounting sleeve 4, a cannula 7 is fixedly connected to the right side of the limiting plate 5, a delivery pipe 6 is fixedly connected inside the cannula 7, a prop open plate 8 is movably connected to the top end and the bottom end of the right side of the limiting plate 5, a handle 13 is fixedly connected to the left side of the prop open plate 8, a positioning buckle 15 is fixedly connected to the handle 13, a positioning clamping groove 14 is fixedly connected to the top end and the bottom end of the mounting sleeve 4.
[0023] The prop open plate 8 is provided with two groups, the silica gel pad 12 is fixedly connected to the outside of the prop open plate 8, the handle 13 and the mounting sleeve 4 are fixedly connected through the positioning clamping groove 14 and the positioning buckle 15 in a buckle connection mode.
[0024] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , the cannula 7 needs to be inserted into the mouth of the rat during administration until the limiting plate 5 is attached to the mouth of the rat, then the handle 13 is pressed inward, the positioning buckle 15 on the handle 13 is fixedly connected to the positioning clamping groove 14 on the mounting sleeve 4 in a clamping mode, and the handle 13 makes the prop open plate 8 open to prop open the throat of the rat, so that the administration is facilitated under the condition that the rat is kept open.
[0025] The outside of the connecting pipe 3 is provided with a threaded groove 11, the inside of the mounting sleeve 4 is provided with a threaded hole 10, and the connecting pipe 3 is embedded inside the threaded hole 10 in a threaded connection mode.
[0026] Specifically, as shown in Figure 1 and Figure 3As shown, when installing, the connecting pipe 3 is inserted into the inside of the threaded hole 10 on the mounting sleeve 4, and the mounting sleeve 4 can be fixedly installed on the connecting pipe 3 by rotating, and the medicine in the medicine needle pipe 1 can be sent into the inside of the insertion pipe 7 along the connecting pipe 3 to give medicine, and when disassembling, the mounting sleeve 4 can be disassembled by reversing rotation.
[0027] The end of the connecting pipe 3 is inserted into the inside of the delivery pipe 6, the end of the insertion pipe 7 is provided with a medicine outlet, and the front end of the medicine needle pipe 1 is provided with a scale line 9;
[0028] Specifically, as shown in Figure 1 and Figure 2 shown, when giving medicine, the insertion pipe 7 is inserted into the throat of the rat, the limiting plate 5 can limit the depth of insertion, and the limiting plate 5 can avoid the insertion pipe 7 continuing to extend into the throat of the rat to cause excessive deepening during the process of the medicine pushing piston 2 on the medicine needle pipe 1 pushing the medicine, and the scale line 9 is convenient for observing the amount of medicine.
[0029] Working principle: when the utility model is used, the insertion pipe 7 needs to be inserted into the mouth of the rat when giving medicine until the limiting plate 5 is attached to the mouth of the rat, then the handle 13 is pressed inwards, the positioning buckle 15 on the handle 13 is clamped and fixed with the positioning clamping groove 14 on the mounting sleeve 4, the handle 13 makes the opening plate 8 open to open the throat of the rat, keeps the opening state of the rat to facilitate giving medicine, the limiting plate 5 can limit the depth of insertion, and the limiting plate 5 can avoid the insertion pipe 7 continuing to extend into the throat of the rat to cause excessive deepening during the process of the medicine pushing piston 2 on the medicine needle pipe 1 pushing the medicine, the mounting sleeve 4 is installed on the connecting pipe 3 before giving medicine, the connecting pipe 3 is inserted into the inside of the threaded hole 10 on the mounting sleeve 4, and the mounting sleeve 4 can be fixedly installed on the connecting pipe 3 by rotating, and the medicine in the medicine needle pipe 1 can be sent into the inside of the insertion pipe 7 along the connecting pipe 3 to give medicine, and when disassembling, the mounting sleeve 4 can be disassembled by reversing rotation, and the structure realizes the function of convenient disassembly.
[0030] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A rat oropharyngeal applicator comprising an applicator needle (1) characterised in that: The inside of the administration needle tube (1) is internally provided with a propelling piston (2), the output end of the administration needle tube (1) is fixedly connected with a connecting pipe (3), the right side of the connecting pipe (3) is provided with a mounting sleeve (4), the right side of the mounting sleeve (4) is fixedly connected with a limiting plate (5), the right side of the limiting plate (5) is fixedly connected with a cannula (7), the inside of the cannula (7) is fixedly connected with a conveying pipe (6), the top end and the bottom end of the right side of the limiting plate (5) are movably connected with a striding plate (8), the left side of the striding plate (8) is fixedly connected with a handle (13), the handle (13) is fixedly connected with a positioning buckle (15), the top end and the bottom end of the mounting sleeve (4) are fixedly connected with a positioning clamping groove (14).
2. The oropharyngeal dosing device for rats according to claim 1, characterized in that: The striding plate (8) is provided with two groups, the outside of the striding plate (8) is fixedly connected with a silica gel pad (12).
3. The oropharyngeal dosing device for rats according to claim 1, characterized in that: The handle (13) and the mounting sleeve (4) are fixedly connected through the positioning clamping groove (14) and the positioning buckle (15).
4. The oropharyngeal dosing device for rats according to claim 1, characterized in that: The outside of the connecting pipe (3) is provided with a threaded groove (11), the inside of the mounting sleeve (4) is provided with a threaded hole (10), the connecting pipe (3) is embedded in the inside of the threaded hole (10) and is screw-connected.
5. The oropharyngeal rat doser of claim 1, wherein: The end of the connecting pipe (3) is inserted into the inside of the conveying pipe (6), the end of the cannula (7) is provided with an administration port.
6. The oropharyngeal rat doser of claim 1, wherein: The front end of the administration needle tube (1) is provided with a scale line (9).