CN112155502A

CN112155502A - Mouse trachea cannula laryngoscope and device

Info

Publication number: CN112155502A
Application number: CN202011175959.0A
Authority: CN
Inventors: 张亚兵
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-01

Abstract

The invention discloses a mouse tracheal intubation laryngoscope and a device. The laryngoscope includes a handle, a connector, a blade and a light source, the connector is fixed on the end of the handle, the blade is vertically fixed on the handle through the connector, and the light source is arranged in the middle of the blade; the handle is provided with a power installation cavity, and the power cord of the light source is connected to the power supply installation cavity; the size of the blade gradually decreases from the end near the connector to the free end of the blade, and the free end of the blade and the main part of the blade are at an angle of 25 to 35°. On this basis, the device also includes dry batteries, which are installed in in the power supply chamber. This design can fully expose the larynx of the mouse, assisting the operator to perform tracheal intubation without the need to cut the skin of the neck to expose the trachea. The tracheal intubation has a high success rate and minimal trauma.

Description

Mouse trachea cannula laryngoscope and device

Technical Field

The invention relates to a surgical instrument, in particular to a mouse tracheal intubation laryngoscope and a device.

Background

At present, the mouse heart and lung operation models are constructed by inserting trachea tubes, and the trachea tubes are inserted blindly after the neck is cut and the trachea is exposed. The method has the following disadvantages: 1. the neck is cut open to expose the trachea, so that the wound of a mouse is large, the risk of inflammation and infection is caused, and the stability of experimental data is influenced; 2. the blind endotracheal intubation tube may enter the esophagus by mistake, and mice and the like die due to abnormal ventilation; 3. the throat irritation of the mouse is large, so that throat edema, postoperative extubation difficulty and even postoperative death are caused.

Disclosure of Invention

The invention aims to: to the problem that above-mentioned exists, provide a mouse trachea cannula laryngoscope and device to supplementary mouse trachea cannula under the bright demonstration, and then improve trachea cannula success rate, reduce the wound.

The technical scheme adopted by the invention is as follows:

a mouse tracheal intubation laryngoscope comprises a handle, a connector, a blade and a light source, wherein the connector is fixed at the end part of the handle; the handle is provided with a power supply installation cavity, and a power line of the light source is connected to the power supply installation cavity; the size of the blade is gradually reduced from one end close to the connector to the free end of the blade, and the angle between the free end of the blade and the main body part of the blade is 25-35 degrees.

Further, the blade includes a main body portion secured to the connector by a first end portion and a free end at an angle of 30 ° to the main body portion.

Furthermore, the whole length of the blade is 2.3cm, and the thickness of the blade is 0.1 cm; the first end of the blade is 0.5cm wide, the free end of the blade is 0.2cm wide, and the free end of the blade is 0.3cm long.

Further, the light source comprises a lamp body and a power line connected with the lamp body, a first binding post is arranged on the surface of one side, contacting the connector, of the first end of the blade, and the power line is connected to the first binding post; the connector contact blade side surface is equipped with the second terminal, and the second terminal is connected to the power installation cavity of handle, and first terminal corresponds with the second terminal and is connected.

Further, the handle includes handle body and bottom, and the power installation cavity is seted up in handle body bottom, and the bottom sets up in handle body bottom.

Further, a power switch is arranged on the handle body.

Further, the surface of the handle is provided with anti-skid textures.

A mouse trachea cannula laryngoscope device comprises the mouse trachea cannula laryngoscope and a dry battery, wherein the dry battery is arranged in a power supply installation cavity of a handle.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the mouse trachea cannula laryngoscope of this design can fully expose mouse laryngeal, and the descending trachea cannula of supplementary operator's photopic vision need not to cut open neck skin and exposes the trachea, and trachea cannula success rate is high, the wound is little.

Drawings

FIG. 1 is a diagram of a mouse endotracheal intubation laryngoscope in use.

FIG. 2 is an exploded view of a mouse endotracheal intubation laryngoscope.

Fig. 3-5 are views of the blade from 3 perspectives.

Figure 6 is an exploded view of a mouse endotracheal intubation laryngoscope device.

The labels in the figure are: 1 is the handle, 2 is the connector, 3 is the blade, 4 is the light source, 5 is switch, 6 is the dry battery, 11 is the handle body, 12 is the bottom, 13 is anti-skidding texture, 14 is the power installation cavity, 21 is the second terminal, 31 is the first end of blade, 32 is the free end of blade, 33 is the first terminal, 41 is the lamp body, 42 is the power cord.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A mouse tracheal intubation laryngoscope is shown in figures 1 and 2 and comprises a handle 1, a blade 3 and a light source 4, wherein the main body part of the blade 3 is vertically fixed on the handle 1 through a connector 2 fixed at the end part of the handle 1, and the light source 4 is arranged at the middle position of the blade 3. The handle 1 is provided with a power supply mounting cavity 14, to which power supply mounting cavity 14 a power supply line 42 of the light source 4 is connected. The size of the blade 3 is gradually reduced from one end close to the connector 2 to the free end 32 of the blade 3, and the free end 32 of the blade 3 forms an angle of 25-35 degrees with the main body part of the blade 3.

As shown in fig. 3, 4 and 6, in one embodiment, the blade 3 comprises a main portion fixed to the connector 2 by a first end 31 and a free end 32, the free end 32 being at an angle of 30 ° to the main portion. The blade 3 has an overall length of 2.3cm and a thickness of 0.1 cm. The first end 31 of the blade 3 is 0.5cm wide, the free end 32 of the blade 3 is 0.2cm wide and 0.3cm long.

As shown in fig. 4 and 5, the light source 4 includes a lamp body 41 (preferably an LED bulb) and a power cord 42 connected thereto, the first end 31 of the blade 3 is provided with a first terminal 33 on a surface contacting the connector 2, and the power cord 42 is connected to the first terminal 33. The surface of the connector 2 contacting the blade 3 is provided with a second binding post 21, the second binding post 21 is connected to the power supply installation cavity 14 of the handle 1, and the first binding post 33 is correspondingly connected with the second binding post 21. The power supply wire 42 may be connected to the first terminal 21 from the outer surface of the blade 3, or may be connected to the first terminal 21 from the inside of the blade 3.

For the convenience of operation, as shown in fig. 1, 2 and 6, the surface of the handle 1 is provided with an anti-slip texture 13, which is not limited, and preferably completely surrounds the side surface of the handle 1. Handle 1 is 5cm long and 1.6cm in diameter in some embodiments. Including handle body 11 and bottom 12, power installation cavity 14 is seted up in handle body 11 bottom, and bottom 12 sets up in handle body 11 bottom. In one embodiment, the bottom cap 12 is threadably connected to the handle body 11. Corresponding to the embodiment of the power supply selecting dry cell 6, the size of the power supply mounting cavity 14 matches the size of the dry cell 6, for example, 7# battery is selected as the dry cell 6. The handle 1 is provided with a power switch 5, the power switch 5 is used for switching on or off a circuit between a power supply and the light source 3, and the power switch 5 is connected between the positive connecting end of the power supply and the second binding post 21 connected with the positive connecting end of the power supply corresponding to the real-time mode.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. a mouse tracheal intubation laryngoscope, is characterized in that, comprises handle (1), connector (2), blade (3) and light source (4), and described connector (2) is fixed on described handle At the end of (1), the blade (3) is vertically fixed on the handle (1) through the connector (2), and the light source (4) is arranged in the middle of the blade (3); the The handle (1) is provided with a power supply installation cavity (14), and the power supply wire (42) of the light source (4) is connected to the power supply installation cavity (14); the size of the blade (3) is from close to the connector One end of (2) gradually decreases to the free end (32) of the blade (3), and the free end (32) of the blade (3) forms an angle of 25-35° with the main part of the blade (3).

2. The mouse tracheal intubation laryngoscope according to claim 1, wherein the blade (3) comprises a main body part and a free end (32), and the main body part is fixed by the first end part (31) On the connector (2), the free end (32) forms an angle of 30° with the main body part.

3. The mouse tracheal intubation laryngoscope according to claim 2, wherein the blade (3) has an overall length of 2.3 cm and a thickness of 0.1 cm; the first end (31) of the blade (3) The width is 0.5 cm, the width of the free end of the blade (3) is 0.2 cm, and the length of the free end (32) of the blade (3) is 0.3 cm.

4. The mouse tracheal intubation laryngoscope according to any one of claims 1 to 3, wherein the light source (4) comprises a lamp body (41) and a power cord (41) connected to the lamp body (41). 42), the first end (31) of the blade (3) contacting the connector (2) is provided with a first terminal (33) on the side surface, and the power cord (42) is connected to the first terminal (33). a terminal (33); a surface on one side of the connector (2) that contacts the blade (3) is provided with a second terminal (21), the second terminal (21) is connected to the handle (1) ) of the power supply installation cavity (14), the first terminal (33) is correspondingly connected to the second terminal (21).

5. The mouse tracheal intubation laryngoscope according to any one of claims 1 to 3, wherein the handle (1) comprises a handle body (11) and a bottom cover (12), and the power supply installation cavity ( 14) is opened at the bottom of the handle body (11), and the bottom cover (12) is arranged at the bottom of the handle body (11).

6. The mouse tracheal intubation laryngoscope according to claim 5, wherein a power switch (5) is provided on the handle body (11).

7 . The mouse tracheal intubation laryngoscope according to claim 1 , wherein the handle ( 1 ) is provided with a non-slip texture ( 13 ) on the surface. 8 .

8. A mouse tracheal intubation laryngoscope device, characterized in that it comprises the mouse tracheal intubation laryngoscope according to any one of claims 1 to 7, and also comprises a dry battery (6), the dry battery (6) It is installed in the power installation cavity (14) of the handle (1).