Animal anesthetic gas recovery mask

By designing an animal anesthesia gas recovery mask and using structures such as fixed tooth flat tubes and gas recovery chambers, the problem of existing anesthesia masks being unable to effectively fix the animal's head and anesthesia gas wasted, and efficient anesthesia and gas recovery were achieved, ensuring experimental safety.

CN119632723APending Publication Date: 2025-03-18UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Application Number
CN202411962986.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

The existing anesthesia masks lack animal incisor fixation devices and cannot effectively fix the animal's head. At the same time, the inlet, outlet and animal air supply port of gas are directly connected, resulting in waste and overflow of anesthetic gas, endangering the health of the experimental personnel.

Method used

An animal anesthesia gas recovery mask is designed, including a recycling mask, a mask block and a press head. By setting up an animal fixed toothed flat tube and anesthetic gas outlet in the mask block, the fixation of the animal's head and the effective delivery of the anesthetic gas are achieved; at the same time, the overflowing anesthetic gas is recovered through the gas recovery chamber and the recovery interface.

Benefits of technology

Effectively fix the animal's head and improve the anesthetic effect; by retrieving the overflowing anesthetic gas, the gas recovery rate is improved, waste is reduced, and the health of experimental personnel is protected.

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Abstract

The animal anesthetic gas recovery mask comprises a recovery cover, a mask installation cavity with a mask installation cavity opening is formed in the recovery cover, a mask block is installed in the mask installation cavity, and a gas recovery cavity is formed between the front end face of the mask block and the front end face of the recovery cover. An anesthesia cavity with an animal head inlet is formed in the mask block, an animal fixing tooth flat tube is transversely installed in the anesthesia cavity, and anesthetic gas outlet holes are densely distributed in the middle of the animal fixing tooth flat tube. The head of an animal can be effectively fixed, and the anesthetic gas recovery rate is increased; the anesthetic gas is prevented from overflowing and hurting a human body.
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Description

Technical Field

[0001] The invention relates to the field of experimental devices, in particular to an animal anesthesia gas recovery mask. Background Art

[0002] The anesthesia mask is an important experimental device when using a brain stereotaxic apparatus for experiments. The existing anesthesia mask lacks an animal incisor fixing device, so the animal's head cannot be effectively fixed; and the gas inlet, outlet and animal air supply port of the existing anesthesia mask are directly connected. If a gas recovery device is connected at the outlet, the amount of anesthetic gas entering the animal air supply port will be very small, which will seriously waste anesthetic gas. If the gas recovery device is not connected, it will be detrimental to the recovery of anesthetic gas and will also cause the experimenter to absorb the overflowed anesthetic gas, which will affect the body. Summary of the invention

[0003] The purpose of the present invention is to provide an animal anesthetic gas recovery mask, which can effectively anesthetize animals and effectively recover overflowed anesthetic gas, thereby improving the anesthetic gas recovery rate and preventing anesthetic gas from overflowing and causing harm to the human body.

[0004] An animal anesthesia gas recovery mask, the main features of which are: comprising a recovery mask (1), a mask installation cavity (1b) having a mask installation cavity opening (1a) is provided in the recovery mask (1), a mask block (1) is installed in the mask installation cavity (1b), a gas recovery cavity (3) is formed between the front end surface of the mask block (2) and the front end surface of the recovery mask (1), a gas recovery interface (1c) communicating with the gas recovery cavity (3) is provided on one side wall of the recovery mask (1), an air inlet hole (1d) is provided on the other side wall, and an air inlet joint (4) is connected to the outside of the air inlet hole (1d);

[0005] The mask block (2) is provided with an anesthesia cavity (2b) having an animal head entrance (2a), the animal head entrance (2a) and the mask mounting cavity (1a) being located on the same side, an animal fixing tooth flat tube (2c) is transversely installed in the anesthesia cavity (2b), the animal fixing tooth flat tube (2c) is close to the animal head entrance (2a), and one end of the animal fixing tooth flat tube (2c) passes through the side wall of the mask block (2) and communicates with the air inlet (1d);

[0006] The middle of the animal fixing tooth flat tube (2c) is densely covered with anesthetic gas outlet holes (2c1).

[0007] The above structure has at least two functions. One is that the animal fixing tooth flat tube is set to facilitate the fixing of the animal. The anesthetic gas outlet hole set on the animal fixing tooth flat tube can directly deliver the anesthetic gas to the animal's mouth, and the overflow enters the nasal cavity, thereby improving the anesthetic effect; the second is that the gas recovery chamber can temporarily store the overflowed anesthetic gas, and the overflowed anesthetic gas can be recovered through an external recovery device, thereby improving the anesthetic gas recovery rate and preventing the anesthetic gas from overflowing and causing harm to the human body.

[0008] Preferably, an annular mounting groove is provided on the side wall of the gas recovery chamber (3), the annular mounting groove is located between the gas recovery interface (1c) and the mask mounting chamber opening (1a), and an annular airbag (5) is installed in the annular mounting groove. When the annular airbag is provided, the annular airbag is inflated to fix the animal and at the same time play a sealing role, thereby effectively preventing the leakage of anesthetic gas.

[0009] Preferably, a slide rail (6) is installed on the bottom wall of the mask installation cavity (1b), a slider (7) matching the slide rail (6) is installed at the bottom of the mask block (1), an adjusting bolt (14) is threadedly connected to the rear end of the recovery cover (1), the front end of the adjusting bolt (14) extends into the mask installation cavity (1b) and abuts against the rear end surface of the mask block (2), and a locking bolt (8) is threadedly connected to the upper end of the recovery cover (1), the lower end of the locking bolt (8) extends into the mask installation cavity (1b) and abuts against the upper end surface of the mask block (2). With the above structure, the mask block can be adjusted forward and backward according to the size of the animal, and the versatility is strong. After the adjusting bolt is adjusted, the locking bolt fixes the position of the mask block.

[0010] Preferably, a strip groove (2d) is provided on the outer wall of the mask block (2) adjacent to the air inlet (1d), and the strip groove (2d) is arranged along the front and rear, and the animal fixing tooth flat tube (2c), the strip groove (2d) and the air inlet (1d) are in communication. With this structure, when the mask block moves, the unimpeded flow of anesthetic gas can also be ensured.

[0011] Preferably, a pressure head (9) is provided on the front end surface of the recovery cover (1), and the pressure head (9) is elastically mounted on the recovery cover (1), so that the head of the animal can be fixed.

[0012] Preferably, the front lower part of the recovery cover (1) protrudes forward with a mounting boss (1e), the left and right ends of the pressure head (9) are both provided with mounting ears (9a), the mounting ears (9a) are provided with through holes, a screw (10) is passed through the through holes, the lower end of the screw (10) is fixed to the mounting boss (1e), the upper end of the screw (10) is threadedly connected with a nut (11), a spring (12) is sleeved on the screw (10), one end of the spring (12) is against the mounting ear (9a), and the other end is against the nut (11). In this way, the elastic compression of the animal can be achieved, and the rigid fixation can be avoided to cause harm to the animal.

[0013] Preferably, a pressure head hole (9b) is opened in the middle of the pressure head (9), and the upper end surface of the pressure head hole (9b) is an arc-shaped surface.

[0014] Preferably, a handle (13) is fixed to the upper end of the pressing head (9), so as to facilitate the operation of the pressing head.

[0015] Beneficial effects: 1. Improve the utilization efficiency of anesthetic gas; 2. Can effectively fix the animal's head; 3. Improve the recovery rate of anesthetic gas, and cooperate with the gas recovery device to absorb the overflowed anesthetic gas; 4. Prevent anesthetic gas from overflowing and causing harm to the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 for Figure 1 A full cross-sectional view of

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the recovery cover 1;

[0019] Figure 4 for Figure 1 Schematic diagram of the structure of the middle mask block 2. DETAILED DESCRIPTION

[0020] The specific implementation manner and working principle of the present invention are further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an animal anesthesia gas recovery mask is composed of a recovery cover 1, a mask block 2 and a pressure head 9 and other components, wherein the recovery cover 1 is a rectangular structure, and a mask mounting cavity 1b with a mask mounting cavity opening 1a is opened in the recovery cover 1, and the mask mounting cavity 1b is a rectangular cavity, and a mask block 1 is installed in the mask mounting cavity 1b, and the mask block 1 is a rectangular structure. A gas recovery cavity 3 is formed between the front end surface of the mask block 2 and the front end surface of the recovery cover 1, and a gas recovery interface 1c communicating with the gas recovery cavity 3 is opened on one side wall of the recovery cover 1, and an air inlet hole 1d is opened on the other side wall, and an air inlet joint 4 is connected to the outside of the air inlet hole 1d; an annular mounting groove is opened on the side wall of the gas recovery cavity 3, and the annular mounting groove is located between the gas recovery interface 1c and the mask mounting cavity opening 1a, and an annular air bag 5 is installed in the annular mounting groove.

[0022] Combination Figure 2 and Figure 4 An anesthesia chamber 2b having an animal head entrance port 2a is opened in the mask block 2, and the animal head entrance port 2a and the mask mounting cavity port 1a are located on the same side, and an animal fixing tooth flat tube 2c is horizontally installed in the anesthesia chamber 2b, and the animal fixing tooth flat tube 2c is close to the animal head entrance port 2a, and one end of the animal fixing tooth flat tube 2c passes through the side wall of the mask block 2 and communicates with the air inlet 1d; anesthesia gas outlet holes 2c1 are densely distributed in the middle of the animal fixing tooth flat tube 2c.

[0023] Combination Figure 2 and Figure 3 : A slide rail 6 is installed on the bottom wall of the mask mounting cavity 1b, and a slider 7 cooperating with the slide rail 6 is installed at the bottom of the mask block 1. An adjusting bolt 14 is threadedly connected to the rear end of the recovery cover 1, and the front end of the adjusting bolt 14 extends into the mask mounting cavity 1b and abuts against the rear end surface of the mask block 2. A locking bolt 8 is threadedly connected to the upper end of the recovery cover 1, and the lower end of the locking bolt 8 extends into the mask mounting cavity 1b and abuts against the upper end surface of the mask block 2.

[0024] See also Figure 2 and Figure 4 A strip groove 2d is provided on the outer wall of the mask block 2 adjacent to the air inlet 1d, and the strip groove 2d is arranged along the front and back, and the animal fixing tooth flat tube 2c, the strip groove 2d and the air inlet 1d are connected.

[0025] See also Figure 1 and Figure 2: A pressure head 9 is arranged on the front end surface of the recovery cover 1, and the pressure head 9 is elastically installed on the recovery cover 1; specifically: a mounting boss 1e protrudes forward from the lower front end of the recovery cover 1, and mounting ears 9a are arranged on the left and right ends of the pressure head 9, and a through hole is opened on the mounting ear 9a, and a screw 10 is passed through the through hole, and the lower end of the screw 10 is fixed to the mounting boss 1e, and a nut 11 is threadedly connected to the upper end of the screw 10, and a spring 12 is sleeved on the screw 10, one end of the spring 12 is against the mounting ear 9a, and the other end is against the nut 11; a pressure head hole 9b is opened in the middle of the pressure head 9, and the upper end surface of the pressure head hole 9b is an arc surface; a handle 13 is fixed to the upper end of the pressure head 9.

Claims

1. An animal anesthesia gas recovery mask, characterized in that: The invention comprises a recovery cover (1), wherein a mask installation cavity (1b) having a mask installation cavity opening (1a) is provided in the recovery cover (1), a mask block (1) is installed in the mask installation cavity (1b), a gas recovery cavity (3) is formed between the front end surface of the mask block (2) and the front end surface of the recovery cover (1), a gas recovery interface (1c) communicating with the gas recovery cavity (3) is provided on one side wall of the recovery cover (1), an air inlet hole (1d) is provided on the other side wall, and an air inlet joint (4) is connected to the outside of the air inlet hole (1d); The mask block (2) is provided with an anesthesia cavity (2b) having an animal head entrance (2a), the animal head entrance (2a) and the mask mounting cavity (1a) being located on the same side, an animal fixing tooth flat tube (2c) is transversely installed in the anesthesia cavity (2b), the animal fixing tooth flat tube (2c) is close to the animal head entrance (2a), and one end of the animal fixing tooth flat tube (2c) passes through the side wall of the mask block (2) and communicates with the air inlet (1d); The middle of the animal fixing tooth flat tube (2c) is densely covered with anesthetic gas outlet holes (2c1).

2. The animal anesthesia gas recovery mask according to claim 1, characterized in that: An annular installation groove is provided on the side wall of the gas recovery chamber (3), the annular installation groove is located between the gas recovery interface (1c) and the mask installation chamber opening (1a), and an annular air bag (5) is installed in the annular installation groove.

3. An animal anesthesia gas recovery mask according to claim 1 or 2, characterized in that: A slide rail (6) is installed on the bottom wall of the mask installation cavity (1b), and a slider (7) matched with the slide rail (6) is installed at the bottom of the mask block (1). An adjusting bolt (14) is threadedly connected to the rear end of the recovery cover (1), and the front end of the adjusting bolt (14) extends into the mask installation cavity (1b) and abuts against the rear end surface of the mask block (2). A locking bolt (8) is threadedly connected to the upper end of the recovery cover (1), and the lower end of the locking bolt (8) extends into the mask installation cavity (1b) and abuts against the upper end surface of the mask block (2).

4. The animal anesthesia gas recovery mask according to claim 3, characterized in that: A strip groove (2d) is provided on the outer wall of the mask block (2) adjacent to the air inlet (1d), and the strip groove (2d) is arranged along the front and back, and the animal fixed tooth flat tube (2c), the strip groove (2d) and the air inlet (1d) are in communication.

5. An animal anesthesia gas recovery mask according to claim 1 or 2, characterized in that: A pressure head (9) is provided on the front end surface of the recovery cover (1), and the pressure head (9) is elastically mounted on the recovery cover (1).

6. The animal anesthesia gas recovery mask according to claim 5, characterized in that: A mounting boss (1e) protrudes forward from the lower front end of the recovery cover (1), and mounting ears (9a) are provided at both left and right ends of the pressure head (9). A through hole is formed on the mounting ear (9a), and a screw (10) is passed through the through hole. The lower end of the screw (10) is fixed to the mounting boss (1e), and a nut (11) is threadedly connected to the upper end of the screw (10). A spring (12) is sleeved on the screw (10), and one end of the spring (12) abuts against the mounting ear (9a), and the other end abuts against the nut (11).

7. The animal anesthesia gas recovery mask according to claim 6, characterized in that: A pressure head hole (9b) is provided in the middle of the pressure head (9), and the upper end surface of the pressure head hole (9b) is an arc-shaped surface.

8. The animal anesthesia gas recovery mask according to claim 7, characterized in that: A handle (13) is fixed on the upper end of the pressure head (9).