Continuous inhalation anesthesia device for small experimental animals

By designing an automatically sealed anesthesia device and using cotton pads to absorb ether, the problem of ether evaporation was solved, improving the safety of the device and the smooth progress of the anesthesia process.

CN223914263UActive Publication Date: 2026-02-17CHONGQING TRADITIONAL CHINESE MEDICINE HOSPITAL
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Patent Information

Application Number
CN202423048265.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-02-17
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing continuous inhalation anesthesia devices for small laboratory animals cannot prevent the spontaneous volatilization of ether after anesthesia, which affects experimental safety.

Method used

A device was designed that includes an anesthesia chamber, a one-way valve, a motor chamber, a blower, and a storage chamber. The device automatically seals the anesthesia section by using a valve plate and a torsion spring to prevent ether from evaporating. At the same time, cotton pads are used to absorb the ether and anesthesia is achieved through airflow circulation. A feed trough is also provided to soothe the animals.

Benefits of technology

The device improves safety, prevents ether from evaporating into the environment, reduces the impact on staff, and soothes animals with feed bowls, ensuring the smooth conduct of the anesthesia process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a small experimental animal continuous inhalation anesthesia device which comprises an anesthesia bin, an anesthesia mechanism for releasing anesthetic is arranged on one side of the surface of the anesthesia bin, and the anesthesia mechanism comprises a first one-way valve, a second one-way valve, a motor bin, an air guide fan, a storage bin and a connecting pipe. A first one-way valve is fixedly arranged on one side of the surface of the anesthesia bin, a second one-way valve is fixedly arranged at the upper end of the first one-way valve, a motor bin is fixedly arranged on one side of the surface of the first one-way valve, and an air guide fan is fixedly arranged in the motor bin. The small animal anesthesia device is good in using effect, the fan is started when small animals need to be anesthetized, flow of diethyl ether is accelerated through the fan, the one-way valve is conducted, the function of anesthetizing the small animals can be achieved, after the animals are anesthetized, the fan is closed, the anesthesia part of the whole device is automatically sealed, the sealing function is achieved, and diethyl ether can be prevented from volatilizing to the outside. Therefore, the safety of the device can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to animal experiment technical field, concretely is a kind of small experimental animal sustained inhalation anesthesia device. BACKGROUND

[0002] Animal experiment refers to the scientific research using animals in laboratory in order to obtain new knowledge about biology, medicine and other aspects or solve specific problems. It is a method of using animals for testing in scientific research, and plays a crucial role in many fields such as medicine, biology, pharmacology. Animal experiments not only help scientists better understand the basic principles of life sciences, but also provide key evidence for the safety and effectiveness of new drugs and medical devices.

[0003] In the prior art, when anesthetizing experimental animals, common methods include ether anesthesia of animals, such as the small experimental animal sustained inhalation anesthesia device with application number 201822243309.X. This patent directly drops ether cotton balls into the device to anesthetize small animals by relying on the volatilization of ether. However, after anesthetizing small animals, the automatic volatilization of ether cotton balls cannot be prevented, which may affect the subsequent experiment and the staff. Therefore, a small experimental animal sustained inhalation anesthesia device needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a small experimental animal sustained inhalation anesthesia device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a small experimental animal sustained inhalation anesthesia device, comprising an anesthesia bin, the anesthesia bin surface one side is provided with the anesthesia mechanism of releasing anesthetic, the anesthesia mechanism includes first check valve, second check valve, motor bin, air guide fan, storage bin, connecting pipe, the anesthesia bin surface one side is fixedly provided with first check valve, the first check valve upper end is fixedly provided with second check valve, the first check valve surface one side is fixedly provided with motor bin, the motor bin inside is fixedly provided with air guide fan, the second check valve surface one side is fixedly provided with storage bin, the storage bin lower end and motor bin between fixedly provided with connecting pipe.

[0006] Preferably, the first one-way valve and the second one-way valve are movably provided with a valve plate inside a rotating shaft, the rotating shaft of the valve plate is provided with a torsional spring, the first one-way valve and the second one-way valve are provided with the valve plate and have the function of one-way conduction; when the air guide fan works, the valve plate is opened by air flow, and when the air guide fan does not work, that is, there is no anesthesia demand, the valve plate can be automatically rotated and reset to be closed under the action of the torsional spring and gravity, so that the anesthesia part of the device can be automatically closed and sealed, thereby preventing ether from evaporating to the outside, and the safety of the device can be improved.

[0007] Preferably, the storage bin is movably and rotatably provided at the upper end with a sealing cover, and the sealing cover is opened by threads to drop ether solution into the storage bin; and the ether solution is a key substance for anesthetizing small animals.

[0008] Preferably, the storage bin is movably and rotatably provided at the upper end with a sealing cover, and the sealing cover is opened by threads to drop ether solution into the storage bin; and the ether solution is a key substance for anesthetizing small animals.

[0009] Preferably, the anesthesia bin is movably and rotatably provided at the upper end with a top cover, and the top cover is opened to facilitate taking and placing animals needing anesthesia into the anesthesia bin.

[0010] Preferably, the anesthesia bin is movably and rotatably provided at the upper end with a top cover, and the top cover is opened to facilitate taking and placing animals needing anesthesia into the anesthesia bin.

[0011] Compared with the prior art, the device has the advantages that:

[0012] 1. After anesthesia is completed, when the air guide fan does not work, that is, there is no anesthesia demand, the valve plate is not opened by air flow and air pressure, and the valve plate can be automatically rotated and reset to be closed under the action of the torsional spring and gravity, so that the anesthesia part of the device can be automatically closed and sealed, thereby preventing ether from evaporating to the outside, and the safety of the device can be improved.

[0013] 2. When the device is used, the feed basin can be used to store feed, so that when small animals are placed in the anesthesia bin, the small animals can be calmed down, and the subsequent anesthesia work is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model discloses a small experimental animal continuous inhalation anesthesia device whole structure schematic view;

[0015] Figure 2 The utility model discloses a small experimental animal continuous inhalation anesthesia device sectional view;

[0016] Figure 3 The utility model discloses a small experimental animal continuous inhalation anesthesia device Figure 2 Front view.

[0017] In the drawing: 1, anesthesia bin;2, first check valve;3, second check valve;4, motor bin;5, air guide fan;6, storage bin;7, connecting pipe;8, valve plate;9, sealing cover;10, cotton pad;11, top cover;12, feed basin. Specific implementation

[0018] Below, combining the drawing in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is only a part embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skilled person in the art obtains without making the creative labor all belong to the range of the utility model protection.

[0019] Please refer to Figures 1-3 The utility model provides a technical scheme: a small experimental animal continuous inhalation anesthesia device, including anesthesia bin 1, the anesthesia bin 1 surface one side is provided with the anesthesia mechanism of releasing anesthetic, the anesthesia mechanism includes first check valve 2, second check valve 3, motor bin 4, air guide fan 5, storage bin 6, connecting pipe 7, the anesthesia bin 1 surface one side is fixed with first check valve 2, the first check valve 2 upper end is fixed with second check valve 3, the first check valve 2 surface one side is fixed with motor bin 4, the motor bin 4 inside is fixed with air guide fan 5, the second check valve 3 surface one side is fixed with storage bin 6, and the storage bin 6 lower extreme and motor bin 4 between fixed with connecting pipe 7.

[0020] The first check valve 2 with second check valve 3 inside is rotatably provided with valve plate 8 through the pivot, and the pivot where valve plate 8 is arranged is provided with torsional spring, and the first check valve 2 with second check valve 3 has the effect of one-way conduction by being provided with first check valve 2 with second check valve 3 through valve plate 8;Then when air guide fan 5 works, valve plate 8 is rotated and opened by airflow, and when air guide fan 5 does not work, that is, there is no anesthesia demand, valve plate 8 can be automatically rotated and reset airtight under the action of torsional spring and gravity, so that the anesthesia part of the device can be automatically airtight and sealed, so that it can prevent ether from evaporating to the outside, so that the safety of the device can be improved;

[0021] The upper end of the storage bin 6 is provided with a sealing cover 9 through screwing, and the sealing cover 9 is opened through screwing to drop ether solution into the storage bin 6; the ether solution is a key substance for anesthetizing small animals;

[0022] The middle part of the inner side of the storage bin 6 is fixedly provided with a cotton pad 10, which can absorb ether, and then the ether slowly volatilizes in the storage bin 6; when the air blower 5 works, the air in the anesthesia bin 1 can be circulated in the storage bin 6, so that the volatilized ether can be brought into the anesthesia bin 1, thereby anesthetizing the small animals in the anesthesia bin 1;

[0023] The upper end of the anesthesia bin 1 is movably clamped with a top cover 11, and the top cover 11 is opened to facilitate taking and placing the animals to be anesthetized in the anesthesia bin 1;

[0024] The inner side of the anesthesia bin 1 is fixedly provided with a feed basin 12, which can store feed, so that the small animals can be calmed down when they are put into the anesthesia bin 1, thereby preventing the small animals from being violent and facilitating subsequent anesthesia work.

[0025] Working principle: when the device is used, the sealing cover 9 is opened through screwing, and then ether is dropped into the storage bin 6; then the ether is absorbed by the cotton pad 10, and then the ether slowly volatilizes in the storage bin 6; when the air blower 5 works, the airflow pushes the valve plate 8 of the first one-way valve 2 to open, and then the air in the anesthesia bin 1 pushes the valve plate 8 of the second one-way valve 3 to open, enters the storage bin 6, and then completes circulation through the connecting pipe 7, so that the air in the anesthesia bin 1 can be circulated in the storage bin 6, so that the volatilized ether can be brought into the anesthesia bin 1, thereby anesthetizing the small animals in the anesthesia bin 1; when the anesthesia is completed and the air blower 5 does not work, that is, there is no anesthesia demand, because there is no airflow and air pressure to push the valve plate 8 to open, the valve plate 8 can be automatically rotated and reset to be sealed under the action of the torsional spring and gravity, thereby the anesthesia part of the device can be automatically sealed to play a sealing effect, thereby the safety of the device can be improved;

[0026] When the device is used, the feed basin 12 can store feed, so that the small animals can be calmed down when they are put into the anesthesia bin 1, thereby preventing the small animals from being violent and facilitating subsequent anesthesia work.

[0027] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A device for continuous inhalation anaesthesia of small laboratory animals, comprising an anaesthesia chamber (1), characterised in that: The surface of the anesthesia bin (1) is provided with an anesthesia mechanism for releasing anesthetic, the anesthesia mechanism comprises a first one-way valve (2), a second one-way valve (3), a motor bin (4), a guide fan (5), a storage bin (6), a connecting pipe (7), the surface of the anesthesia bin (1) is fixedly provided with the first one-way valve (2), the upper end of the first one-way valve (2) is fixedly provided with the second one-way valve (3), the surface of the first one-way valve (2) is fixedly provided with the motor bin (4), the inside of the motor bin (4) is fixedly provided with the guide fan (5), the surface of the second one-way valve (3) is fixedly provided with the storage bin (6), and the lower end of the storage bin (6) and the motor bin (4) are fixedly provided with the connecting pipe (7).

2. The apparatus according to claim 1, wherein: The first one-way valve (2) and the second one-way valve (3) are movably provided with a valve plate (8) through a rotating shaft, and the rotating shaft of the valve plate (8) is provided with a torsional spring.

3. The apparatus according to claim 1, wherein: the gas flow rate is 0.5 to 2.0 L / min. The upper end of the storage bin (6) is movably and screwingly provided with a sealing cover (9).

4. The apparatus according to claim 1, wherein: The inside of the storage bin (6) is fixedly provided with a cotton pad (10) in the middle.

5. The apparatus according to claim 1, wherein: the apparatus is a small experimental animal continuous inhalation anesthesia apparatus. The upper end of the anesthesia bin (1) is movably clamped with a top cover (11).

6. The apparatus according to claim 1, wherein: The inside of the anesthesia bin (1) is fixedly provided with a feed basin (12) on one side. The inside of the anesthesia bin (1) is fixedly provided with a feed basin (12) on one side.

Citation Information

Patent Citations

  • Small experimental animal continuous inhalation anesthesia device

    CN209951461U