CN116808378B - An auxiliary support structure for tracheal intubation - Google Patents

Abstract

The invention discloses an auxiliary supporting structure of an endotracheal intubation, which relates to the technical field of intubation and solves the problems that two persons are required to cooperate to finish operation during intubation, and intubators are required to have better proficiency to operate a laryngoscope blade and the endotracheal intubation simultaneously. The utility model provides an auxiliary support structure of trachea cannula, includes bearing structure slide rail A, one side of bearing structure slide rail A is equipped with bearing structure slide rail B, be equipped with a fly leaf between bearing structure slide rail A and the bearing structure slide rail B, the place ahead of fly leaf is equipped with the arc, be equipped with a pivot connecting rod between arc and the fly leaf, link to each other through the pivot between pivot connecting rod and the fly leaf. The invention can automatically adjust the angle of the head of the patient and pull the mouth of the patient away from the patient, so that the patient does not need to be assisted by one side in the intubation process, and the laryngoscope with the tongue and the tongue root pressed can be automatically fixed, thereby reducing the requirements of the skill of operators.

Description

An auxiliary support structure for tracheal intubation

Technical field

The invention relates to the technical field of tracheal intubation, specifically an auxiliary support structure for tracheal intubation.

Background technique

Tracheal intubation is a method of inserting a special endotracheal tube through the oral cavity or nasal cavity and into the trachea or bronchi through the glottis. It provides the best conditions for respiratory tract unobstruction, ventilation and oxygen supply, and respiratory tract suction. It is an important method for rescuing patients with respiratory dysfunction. important measures;

However, the existing tracheal intubation has the problem that the tracheal intubation is prone to falling off during actual use. The patent number CN211513024U, which is called an auxiliary device for tracheal intubation in emergency departments, adopts the setting It includes a fastening belt and a fastening bracket, and a first fixing part matching the fastening belt is provided at both ends of the fastening bracket. A first fixing groove is provided on the first fixing part, and the fastening belt is sleeved to the first fixing part. groove, and a first groove is provided at the front end of the fastening bracket, the first groove runs through the front and rear sides of the fastening bracket, and a second fixing part is provided above the fastening bracket relative to the first groove, and the fastening A connecting bracket is arranged below the first groove, a supporting column is arranged between the connecting bracket and the second fixing part, a second fixing groove for tracheal intubation is arranged on the supporting pillar, and a first fixing groove is arranged on the top of the supporting pillar. Through holes, a fixing post is provided inside the first through hole, and the above problem is solved by setting the present invention on the head of the human body.

During the insertion of tracheal intubation, one person first needs to hold the patient's head with his hands, tilt it back, try to make the patient's mouth aligned with the trachea, and open the patient's mouth with his hands to facilitate subsequent intubation personnel. After the patient's mouth is opened, the intubator holds the laryngoscope, inserts it into the patient's mouth, presses the patient's tongue and its base to open the glottis, and then uses the other hand of the intubator The hand-held tracheal intubation tube is slowly inserted into the interior of the trachea from the groove on the laryngoscope. This intubation method not only requires the cooperation of two staff members to complete the intubation operation, but also the intubation personnel must have considerable operational skills. The proficiency required to operate the laryngoscope and its tracheal intubation at the same time is relatively high; therefore, it does not meet the existing needs, so we proposed an auxiliary support structure for tracheal intubation.

Contents of the invention

The object of the present invention is to provide an auxiliary support structure for tracheal intubation to solve the problem in the above-mentioned background technology that during the insertion of tracheal intubation, a person first needs to hold the patient's head with his hands to tilt it back. , try to make the patient's mouth aligned with the trachea, and open the patient's mouth with your hands to facilitate the subsequent insertion of the laryngoscope by the intubator. When the patient's mouth is opened, the intubator holds the laryngoscope and inserts it into the patient's mouth. Press the patient's tongue and its base upward to open the glottis. Then, the intubator holds the tracheal intubation tube in his other hand and slowly inserts it into the trachea from the groove on the laryngoscope. This intubation method not only requires The intubation operation can only be completed by the cooperation of two staff members, and the intubator must have a high degree of operational proficiency and be able to operate the laryngoscope and its tracheal intubation at the same time, which requires higher requirements.

In order to achieve the above object, the present invention provides the following technical solution: an auxiliary support structure for tracheal intubation, including a support structure slide rail A. One side of the support structure slide rail A is provided with a support structure slide rail B. The support structure slide rail A is provided with a support structure slide rail B. There is a movable plate between the structural slide rail A and the supporting structure slide rail B. There is an arc plate in front of the movable plate. There is a rotating shaft connecting rod between the arc plate and the movable plate. The rotating shaft The connecting rod and the movable plate are connected through a rotating shaft. The surface of the rotating shaft connecting rod facing the arc-shaped plate is fixed to the arc-shaped plate. The surface of the arc-shaped plate facing the movable plate is arranged in an annular arrangement with a plurality of tooth slots. ;

An auxiliary throat opening mechanism is provided above the arc-shaped plate. The auxiliary throat opening mechanism includes an angle adjustment mechanism and a laryngoscope. The angle adjustment mechanism can adjust the angle of the laryngoscope in any large or small amplitude.

Preferably, the surface of the support structure slide rail A facing the support structure slide rail B and the surface of the support structure slide rail B facing the support structure slide rail A are both provided with a guide rod, and there is a guide rod between the two guide rods. There is a cervical pillow that is slidingly connected between the two guide rods.

Preferably, the surface of the movable plate facing the support structure slide rail A is fixed with a connecting rod, and the surface of the connecting rod facing the support structure slide rail A is connected to a sliding and installed support structure slide rail A through a rotating shaft. There is an electric slide on the movable plate, and a clamping rod is fixed on the movable plate toward the surface of the support structure slide rail B.

Preferably, a movable rod A is slidably installed on one side of the upper end surface of the support structure slide rail B. A connecting rod A is provided inside the movable rod A. There is a gap between the bottom end of the connecting rod A and the movable rod A. Provided with a support spring;

A movable rod B is movably installed on one side of the upper end surface of the support structure slide rail A. A connecting rod B is provided inside the movable rod B. A lift is fixed on the upper end surfaces of the connecting rod B and the connecting rod A. rod, and the auxiliary throat opening mechanism is installed at the middle position of the outer surface of the lifting rod.

Preferably, a screw is provided inside the connecting rod B, and an internally threaded through hole is provided on the outside of the screw rod near the bottom end of the connecting rod B, and a roller bearing is used between the bottom end of the screw rod and the movable rod B. connected; connected

The upper end face of the screw is fixedly provided with a circular plate A, the upper end of the screw is provided with a circular plate B, and the two sides of the lower end face of the circular plate B are symmetrically provided with two movable vertical circular plates. As for the long rod A, a rotating shaft is fixed at the middle position of the upper end surface of the circular plate B, and a rotating handle located outside the lifting rod is fixedly installed on the upper end surface of the rotating shaft.

Preferably, an annular tooth groove is provided on the outside of the upper end surface of the circular plate B, an annular sleeve is provided above the annular tooth groove, and a ring of sharp tooth heads is arranged on the lower end surface of the annular sleeve in an annular manner. The interior of the annular tooth groove is provided with a plurality of tine tooth grooves that are radially matched with the tine teeth located on the lower end surface of the annular sleeve.

Preferably, the outer side of the rotating shaft is provided with an internal threaded groove located on the outer surface of the lifting rod, the internal threaded groove is threadedly connected to an internally threaded sleeve, and the outer side of the lower end surface of the internally threaded sleeve is provided with a roller bearing ring. A push rod is fixed at the four end corners of the lower end surface of the roller bearing ring, and the bottom ends of the four push rods are fixed to the annular sleeve.

Preferably, the angle adjustment mechanism includes a laryngoscope clip, a metal rod, an arc groove, an elastic arc block, a stud A, a stud B, an internal thread sleeve, a large bevel gear, a small bevel gear, and a gear transmission shaft. and a rotating shaft, the laryngoscope is clamped between two laryngoscope clips, and a metal rod is fixed on one side of the outer surface of the second laryngoscope clip from left to right, and the metal rod is A circle of arc-shaped grooves is provided on the outer surface, and an elastic arc-shaped block is stuck inside each arc-shaped groove.

Preferably, a rotating shaft is fixed on one side of the outer surface of the metal rod, and a stud A is fixedly mounted on the outer surface of the rotating shaft. A stud B is engaged above the stud A, and a stud B is engaged with the stud B. The upper part is engaged with an internally threaded sleeve installed on the lifting rod through a roller bearing.

Preferably, one side of the stud A is provided with a large bevel gear that is also fixedly sleeved on the outer surface of the laryngoscope clip. The large bevel gear is meshed with a small bevel gear, and the shaft of the small bevel gear is The center is connected to a gear transmission shaft, and the upper end of the gear transmission shaft is fixedly provided with a small angle adjustment rotating handle located outside the lifting rod.

Compared with the prior art, the beneficial effects of the present invention are:

1. By using this auxiliary support device, the present invention can automatically adjust the angle of the patient's head and open the patient's mouth, so that it no longer requires the cooperation of two people to operate, thereby increasing the functionality of the device;

2. The present invention can rotate the laryngoscope through the angle adjustment mechanism. With the rotation of the laryngoscope located above the patient's mouth, the laryngoscope will automatically enter its interior and press up on the head and root to open the laryngoscope. The laryngoscope can be fixed under the influence of the fixed structure every time the laryngoscope rotates to a certain angle. Through the above technical solution, the laryngoscope that opens the glottis can be fixed, so that the intubator no longer needs to use the laryngoscope and tracheal intubation at the same time. The tube reduces the tediousness of its operation, and the laryngoscope fixed through this structure will not shake easily. Compared with the manual fixation method, it has higher stability.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic diagram of the internal structure at B in Figure 1 of the present invention;

Figure 3 is a side view of the internal structure at position A in Figure 1 of the present invention;

Figure 4 is a schematic structural diagram of C in Figure 3 of the present invention;

Figure 5 is an enlarged view of the structure at C in Figure 3 of the present invention;

Figure 6 is a schematic diagram of the overall bottom structure of the present invention.

In the picture: 1. Support structure slide rail A; 2. Auxiliary throat opening mechanism; 201. Laryngoscope; 202. Laryngoscope clamp; 203. Metal rod; 204. Arc groove; 205. Elastic arc block; 206. Screw Column A; 207, stud B; 208, internal thread sleeve; 209, large bevel gear; 210, small bevel gear; 211, gear transmission shaft; 212, rotating shaft; 3, guide rod; 4, cervical pillow; 5 , clamping rod; 6. movable plate; 7. connecting rod; 8. movable rod A; 9. lifting rod; 10. connecting rod A; 11. support structure slide rail B; 12. rotating shaft connecting rod; 13. arc Plate; 14. Teeth slot; 15. Movable rod B; 16. Connecting rod B; 17. Screw; 18. Internally threaded through hole; 19. Circular plate A; 20. Long rod; 21. Circular plate B; 22 , annular tooth groove; 23, annular sleeve; 24, push rod; 25, roller bearing ring; 26, internal thread sleeve; 27, rotating shaft; 28, internal thread groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments.

Please refer to Figures 1 to 6. One embodiment provided by the present invention: an auxiliary support structure for tracheal intubation, including a support structure slide rail A1, and a support structure slide rail B11 is provided on one side of the support structure slide rail A1. There is a movable plate 6 between the support structure slide rail A1 and the support structure slide rail B11. There is an arc plate 13 in front of the movable plate 6. There is a rotating shaft connecting rod 12 between the arc plate 13 and the movable plate 6. The rotating shaft connecting rod 12 and the movable plate 6 are connected through a rotating shaft. The surface of the rotating shaft connecting rod 12 facing the arc plate 13 is fixed to the arc plate 13. The surface of the arc plate 13 facing the movable plate 6 is arranged in an annular shape. multiple tooth sockets 14;

An auxiliary throat opening mechanism 2 is provided above the arc-shaped plate 13. The auxiliary throat opening mechanism 2 includes an angle adjustment mechanism and a laryngoscope 201. The angle adjustment mechanism can adjust the angle of the laryngoscope 201 in any large or small amplitude.

The surface of the support structure slide rail A1 facing the support structure slide rail B11 and the surface of the support structure slide rail B11 facing the support structure slide rail A1 are both provided with a guide rod 3, and a guide rod 3 is provided between the two guide rods 3 to connect the two guide rods simultaneously A cervical pillow 4 is slidably connected between two guide rods 3; a connecting rod 7 is fixed on the surface of the movable plate 6 facing the support structure slide rail A1, and the surface of the connecting rod 7 facing the support structure slide rail A1 is connected through a rotating shaft. An electric slide is slidably installed on the support structure slide rail A1. A clamping rod 5 is fixed on the movable plate 6 toward the surface of the support structure slide rail B11; there is a sliding installation on one side of the upper end surface of the support structure slide rail B11. The movable rod A8 has a connecting rod A10 inside the movable rod A8, and a support spring is provided between the bottom end of the connecting rod A10 and the movable rod A8;

A movable rod B15 is movably installed on one side of the upper end surface of the supporting structure slide rail A1. A connecting rod B16 is provided inside the movable rod B15. A lifting rod 9 is fixedly installed on the upper end surfaces of the connecting rod B16 and the connecting rod A10, and the auxiliary opening The throat mechanism 2 is installed at the middle position of the outer surface of the lifting rod 9; a screw rod 17 is provided inside the connecting rod B16, and an internally threaded through hole 18 is provided on the outside of the screw rod 17 near the bottom end of the connecting rod B16, and the bottom end of the screw rod 17 is in contact with the connecting rod B16. The movable rods B15 are connected through roller bearings;

A circular plate A19 is fixed on the upper end surface of the screw rod 17, a circular plate B21 is provided above the screw rod 17, and two long rods are symmetrically provided on both sides of the lower end surface of the circular plate B21, both of which are movable and vertically penetrate the circular plate A19. 20. The middle position of the upper end surface of the circular plate B21 is fixed with a rotating shaft 27, and the upper end surface of the rotating shaft 27 is fixedly equipped with a rotating handle located outside the lifting rod 9; the outer side of the upper end surface of the circular plate B21 is provided with an annular tooth groove 22, annular An annular sleeve 23 is provided above the tooth groove 22. The lower end surface of the annular sleeve 23 is arranged in an annular shape and is provided with a ring of tines. The annular tooth groove 22 is provided with a plurality of tines located on the lower end surface of the annular sleeve 23. The head direction matches. The outer side of the rotating shaft 27 is provided with an internal threaded groove 28 located on the outer surface of the lifting rod 9. The internal threaded groove 28 is threaded with an internally threaded sleeve 26, and the outer side of the lower end surface of the internally threaded sleeve 26 is provided with a roller bearing. The four end corners of the ring 25 and the lower end surface of the roller bearing ring 25 are each fixed with a push rod 24, and the bottom ends of the four push rods 24 are fixed to the annular sleeve 23.

When in use, check the usage of each mechanism and move the device to the work area. When using this auxiliary support equipment, first remove the clamping rod 5 from the support structure slide rail B11, then flip the movable plate 6, and then lift the patient Place the patient's neck on the cervical pillow 4 to tilt the patient's head back, then flatten the movable board 6, clamp the clamping rod 5 onto the support structure slide rail B11, and then connect it to the movable board 6 The arc plate 13 is stuck on the patient's lower teeth, and then the electric slider indirectly connected to the movable plate 6 is started to push the movable plate 6 backward to open the patient's mouth. Through the above technical solution, the patient's mouth is opened. Instead of needing someone to assist, the device can automatically adjust the angle of the patient's head and open the patient's mouth, thus increasing its functionality.

Further, the angle adjustment mechanism includes laryngoscope clamp 202, metal rod 203, arc groove 204, elastic arc block 205, stud A206, stud B207, internal thread sleeve 208, large bevel gear 209, small bevel gear 210. Gear drive shaft 211 and shaft 212. The laryngoscope 201 is clamped between two laryngoscope clips 202. A metal rod 203 is fixed on one side of the outer surface of the second laryngoscope clip 202 from left to right. The outer surface of the metal rod 203 is provided with a circle of arc-shaped grooves 204, and an elastic arc-shaped block 205 is stuck inside each arc-shaped groove 204; a rotating shaft 212 is fixed on one side of the outer surface of the metal rod 203, and the outer surface of the rotating shaft 212 is fixed. The surface fixed sleeve is provided with a stud A206, the upper part of the stud A206 is engaged with a stud B207, and the upper part of the stud B207 is engaged with an internally threaded sleeve 208 installed on the lifting rod 9 through a roller bearing; one side of the stud A206 is provided with There is a large bevel gear 209 that is also fixedly sleeved on the outer surface of the laryngoscope clip 202. The large bevel gear 209 is meshed with a small bevel gear 210. The axis of the small bevel gear 210 is connected to a gear transmission shaft 211. The gear transmission shaft The upper end of 211 is fixedly provided with a small angle adjustment rotating handle located outside the lift rod 9 .

In practical applications, the rotating shaft 27 is manually rotated to drive the circular plate B21 connected thereto and the circular plate A19 penetrated by the long rod 20 located on the lower end surface of the circular plate B21 to rotate. When the circular plate A19 rotates, The screw 17 fixed to it will also rotate accordingly. When the screw 17 rotates, the screw 17 will move up and down through the thread structure of the internal thread through hole 18 connected to it. When the screw 17 rises, the screw 17 connected to it will move up and down. The lifting rod 9 will rise accordingly. When the screw rod 17 descends, the lifting rod 9 as a whole will descend accordingly. Adjust the tip of the laryngoscope 201 located on the lifting rod 9 to the opened patient's mouth, and then rotate it to the rotating axis. The internal thread sleeve 26 on the outside of 27 can move up and down through its thread structure when the internal thread sleeve 26 rotates. When the internal thread sleeve 26 descends as a whole, the push rod 24 connected to the roller bearing and the push rod 24 The tines on the lower end surface of the fixed annular sleeve 23 will be inserted into the annular tooth groove 22 on the circular plate B21, thereby fixing the circular plate B21 and preventing it from rotating, thereby preventing the circular plate B21 from rotating. During the insertion of laryngoscope 201, the height of laryngoscope 201 changes;

In practical applications, the internal thread sleeve 208 located on the outer surface of the lifting rod 9 is rotated. When the internal thread sleeve 208 rotates, the stud A206 that meshes with the stud B207 will subsequently rotate to a greater extent. When the screw When the column A206 rotates, the rotating shaft 212 connected to its axis, the laryngoscope clamp 202 fixed by the metal rod 203 between the rotating shaft 212, and the laryngoscope 201 clamped on the laryngoscope clamp 202 will rotate accordingly. , as the laryngoscope 201 rotates, the laryngoscope 201 will enter the inside of the patient's mouth, and as the angle becomes larger, it will press up on the tongue and its base, thereby opening the glottis. During the process of opening the glottis, , release the internal thread sleeve 208 and rotate the gear transmission shaft 211. When the gear transmission shaft 211 rotates, the small bevel gear 210 fixed to it and the large bevel gear 209 meshing with the small bevel gear 210 will rotate slightly. Rotate. When the large bevel gear 209 rotates, the rotating shaft 212 connected to its axis and the laryngoscope 201 indirectly connected to the rotating shaft 212 will rotate slightly. The glottis can be opened by rotating the laryngoscope 201 slightly. improve its safety;

During the rotation of the metal rod 203, the elastic arc-shaped block 205 stuck inside the arc-shaped groove 204 on the outer surface of the metal rod 203 will be pushed outward. Whenever the metal rod 203 rotates at a certain angle, multiple The elastic arc-shaped block 205 will snap into the inside of the arc-shaped groove 204 again, thereby fixing the metal rod 203 to a certain extent. When the metal rod 203 is fixed, the laryngoscope 201 indirectly connected to it will also be fixed. Through the above technical solution, the laryngoscope 201 that opens the glottis can be fixed, so that the intubator no longer needs to use the laryngoscope 201 and the tracheal intubation at the same time, which reduces the cumbersome operation, and the laryngoscope 201 fixed by this structure does not need to be used. It will shake easily and is more stable than manual fixation.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be regarded as illustrative and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the claims All changes within the meaning and scope of equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

Claims (6)

1. The utility model provides an auxiliary support structure of trachea cannula, includes bearing structure slide rail A (1), its characterized in that: one side of the supporting structure sliding rail A (1) is provided with a supporting structure sliding rail B (11), a movable plate (6) is arranged between the supporting structure sliding rail A (1) and the supporting structure sliding rail B (11), an arc-shaped plate (13) is arranged in front of the movable plate (6), a rotating shaft connecting rod (12) is arranged between the arc-shaped plate (13) and the movable plate (6), the rotating shaft connecting rod (12) is connected with the movable plate (6) through a rotating shaft, the surface, facing the arc-shaped plate (13), of the rotating shaft connecting rod (12) is fixed with the arc-shaped plate (13), and a plurality of tooth sockets (14) are annularly arranged on the surface, facing the movable plate (6), of the arc-shaped plate (13);

an auxiliary throat opening mechanism (2) is arranged above the arc-shaped plate (13), the auxiliary throat opening mechanism (2) comprises an angle adjusting mechanism and a laryngoscope (201), and the angle of the laryngoscope (201) can be adjusted by any large or small amplitude by the angle adjusting mechanism;

one side of the upper end surface of the support structure sliding rail B (11) is slidably provided with a movable rod A (8), a connecting rod A (10) is arranged in the movable rod A (8), and a support spring is arranged between the bottom end of the connecting rod A (10) and the movable rod A (8);

one side of the upper end surface of the support structure sliding rail A (1) is movably provided with a movable rod B (15), a connecting rod B (16) is arranged in the movable rod B (15), the upper end surfaces of the connecting rod B (16) and the connecting rod A (10) are fixedly provided with a lifting rod (9), and the auxiliary throat opening mechanism (2) is arranged in the middle position of the outer surface of the lifting rod (9);

a screw rod (17) is arranged in the connecting rod B (16), an internal thread through hole (18) penetrating through the connecting rod B (16) is formed in the outer side, close to the bottom end, of the screw rod (17), and the bottom end of the screw rod (17) is connected with the movable rod B (15) through a roller bearing;

the upper end face of the screw rod (17) is fixedly provided with a circular plate A (19), a circular plate B (21) is arranged above the screw rod (17), two long rods (20) which vertically penetrate through the circular plate A (19) are symmetrically arranged on two sides of the lower end face of the circular plate B (21), a rotating shaft (27) is fixedly arranged in the middle of the upper end face of the circular plate B (21), and a rotating handle positioned on the outer side of the lifting rod (9) is fixedly arranged on the upper end face of the rotating shaft (27);

an annular tooth groove (22) is formed in the outer side of the upper end face of the circular plate B (21), an annular sleeve (23) is arranged above the annular tooth groove (22), a circle of sharp tooth heads are annularly arranged on the lower end face of the annular sleeve (23), and a plurality of sharp tooth grooves matched with the sharp tooth heads positioned on the lower end face of the annular sleeve (23) in the direction are formed in the annular tooth groove (22);

the outer side of pivot (27) is equipped with internal thread groove (28) that are located lifter (9) surface, the inside threaded connection of internal thread groove (28) has internal thread cover (26), the outside of terminal surface is equipped with roller bearing ring (25) under internal thread cover (26), four terminal angles of terminal surface all are fixed under roller bearing ring (25) are equipped with push rod (24), four between the bottom of push rod (24) all and annular cover (23) is fixed mutually.

2. An auxiliary support structure for an endotracheal tube according to claim 1, wherein: the face of the support structure sliding rail A (1) facing the support structure sliding rail B (11) and the face of the support structure sliding rail B (11) facing the support structure sliding rail A (1) are both provided with a guide rod (3), and a cervical vertebra pillow (4) which is simultaneously connected with the guide rods (3) in a sliding manner is arranged between the two guide rods (3).

3. An auxiliary support structure for an endotracheal tube according to claim 1, wherein: the face towards the supporting structure sliding rail A (1) on the movable plate (6) is fixedly provided with a connecting rod (7), the face towards the supporting structure sliding rail A (1) on the connecting rod (7) is connected with an electric sliding table which is slidably mounted on the supporting structure sliding rail A (1) through a rotating shaft, and the face towards the supporting structure sliding rail B (11) on the movable plate (6) is fixedly provided with a clamping rod (5).

4. An auxiliary support structure for an endotracheal tube according to claim 1, wherein: the angle adjusting mechanism comprises a laryngoscope clamp (202), a metal rod (203), arc grooves (204), elastic arc blocks (205), a stud A (206), a stud B (207), an internal thread sleeve, a large bevel gear (209), a small bevel gear (210), a gear transmission rotating shaft (211) and a rotating shaft, wherein the laryngoscope (201) is clamped between the two laryngoscope clamps (202), the metal rod (203) is fixedly arranged on one side of the outer surface of the laryngoscope clamp (202) from left to right, the outer surface of the metal rod (203) is provided with a circle of arc grooves (204), and one elastic arc block (205) is clamped inside each arc groove (204).

5. The auxiliary support structure for an endotracheal tube according to claim 4, wherein: a rotating shaft is fixedly arranged on one side of the outer surface of the metal rod (203), a stud A (206) is fixedly sleeved on the outer surface of the rotating shaft, a stud B (207) is meshed with the upper side of the stud A (206), and an internal thread sleeve arranged on the lifting rod (9) through a roller bearing is meshed with the upper side of the stud B (207).

6. An auxiliary support structure for an endotracheal tube according to claim 5: the method is characterized in that: one side of the stud A (206) is provided with a large bevel gear (209) which is fixedly sleeved on the outer surface of the laryngoscope clamp (202), the large bevel gear (209) is meshed with a small bevel gear (210), the axle center of the small bevel gear (210) is connected with a gear transmission rotating shaft (211), and the upper end of the gear transmission rotating shaft (211) is fixedly provided with a small-amplitude angle adjustment rotating handle which is positioned on the outer side of the lifting rod (9).