Trachea cannula fixing device

Abstract

The utility model discloses a trachea cannula fixing device, and relates to the technical field of medical instruments, the trachea cannula fixing device comprises a first support, the outer wall of the first support is provided with a strip-shaped slide rail, and the middle section of the inner wall of the first support is provided with a U-shaped structure; connecting hooks connected with the connecting hanging lugs in a matched mode are arranged at the two ends of the fixing bandage, and face gaskets are arranged on the outer walls of the hook bending positions of the connecting hooks; two strip-shaped through holes are formed in the middle of the trachea cannula fixing piece side by side in a spaced mode, and a first hook piece is arranged on the side wall, provided with the strip-shaped through holes, of the trachea cannula fixing piece; and air pipe fixing strips. According to the trachea cannula fixing device, the trachea cannula is fixed through the fixing structure of a specific structure and the adjusting mechanism, convenience is provided for related work of the trachea cannula, and actual requirements are met.

Description

Technical Field

[0001] This application relates to the field of medical device technology, specifically to a tracheal intubation fixation device. Background Technology

[0002] Endotracheal intubation is a method of inserting a specially designed endotracheal tube through the mouth or nose and through the glottis into the trachea or bronchus. It provides optimal conditions for airway patency, ventilation and oxygen supply, and airway suction, and is an important measure for rescuing patients with respiratory dysfunction. After successful endotracheal intubation, it is necessary to keep the endotracheal tube in a fixed position to prevent displacement. Therefore, it is necessary to fix the trachea located above the patient's mouth.

[0003] Therefore, to meet practical needs, a endotracheal tube fixation device is provided. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the purpose of this application is to provide an endotracheal tube fixing device that uses a specific fixing structure and adjustment mechanism to fix the endotracheal tube, thereby facilitating endotracheal intubation-related work and meeting practical needs.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0006] This application provides an endotracheal tube fixation device, the endotracheal tube fixation device comprising:

[0007] The first bracket has an arc-shaped plate structure. The outer wall of the first bracket is provided with a strip slide rail. The middle section of the inner wall of the first bracket is provided with a U-shaped structure. The first groove of the U-shaped structure is away from the inner wall of the first bracket. The two ends of the first bracket are respectively connected to a cheek bracket and a connecting ear.

[0008] The fixing strap has connecting hooks at both ends that mate with the connecting ears. The outer wall of the hook bend is provided with a face pad. When the connecting hook is connected to the corresponding connecting ear, the inner wall of the cheek support contacts the outer wall of the face pad.

[0009] An endotracheal tube fixing component is provided with two strip-shaped through holes spaced apart side by side in the middle of the endotracheal tube fixing component. The direction of the strip-shaped through holes is parallel to the width direction of the endotracheal tube fixing component. A first hook component is provided on the side wall of the endotracheal tube fixing component with the strip-shaped through holes.

[0010] The first end of the endotracheal tube fixing component is provided with at least one first airbag clamp;

[0011] The top surface of the second end of the endotracheal tube fixation member is connected to the sliding member through the first oblique connector. The sliding member is slidably disposed on the strip rail. At least one second airbag fastener is provided on the side wall of the sliding member facing the endotracheal tube fixation member.

[0012] The bottom surface of the second end of the endotracheal tube fixing component is connected to the endotracheal fixing groove through the second oblique connector. The endotracheal fixing groove is a long strip groove with a U-shaped cross-section.

[0013] A tracheal fixation strip, wherein a limiting protrusion is provided at the tail end of the tracheal fixation strip;

[0014] The trachea fixing strip is configured to pass through the two strip-shaped through holes in sequence to form a through-hole-shaped trachea fixing space, and the central axis of the trachea fixing space in the length direction coincides with the central axis of the trachea fixing groove in the length direction.

[0015] The orientation between the first end of the endotracheal tube fixation member and the second end of the endotracheal tube fixation member is the length direction of the endotracheal tube fixation member;

[0016] The length direction of the endotracheal tube fixing component is parallel to the length direction of the endotracheal fixing groove.

[0017] Based on the above technical solution, the outer wall of the first bracket is connected to the strip slide rail via a strip-shaped vertical plate;

[0018] An I-beam structure is formed between the outer wall of the first bracket, the strip upright plate, and the strip slide rail.

[0019] Based on the above technical solution, multiple rail limiting through holes are provided at intervals on the strip rail.

[0020] Based on the above technical solution, the slider includes:

[0021] The U-shaped sliding limiter is slidably disposed on the strip rail;

[0022] An intermediate clamping plate is provided on the side wall of the U-shaped sliding limiter opposite to the strip slide rail. V-shaped elastic mechanisms are provided at both ends of the intermediate clamping plate, and the two V-shaped elastic mechanisms are located on both sides of the U-shaped sliding limiter.

[0023] A first back plate is disposed on the side of the intermediate clamp plate opposite to the U-shaped sliding limiting member, and at least one second airbag clamp is provided on the side of the first back plate facing the endotracheal tube fixing member; wherein...

[0024] The V-shaped elastic mechanism includes:

[0025] A first elastic plate parallel to the sidewall of the U-shaped sliding limiter, with an elastic limiting protrusion at one end;

[0026] The other end of the first elastic plate is provided with an elastic pressing inclined plate;

[0027] The first elastic plate, the elastic pressing inclined plate, and the intermediate clamping plate are arranged in a Y-shape, and the first elastic plate and the elastic pressing inclined plate are on the same side as a set of symmetrical planes of the intermediate clamping plate.

[0028] The elastic limiting protrusion faces the slide rail limiting through hole and is configured to extend into or move out of the slide rail limiting through hole when the elastic pressing inclined plate is pressed.

[0029] The distance between the two elastic limiting protrusions is an integer multiple of the distance between the two slide rail limiting through holes.

[0030] Based on the above technical solution, the tracheal fixing strip is provided with multiple fixing strip limiting through holes;

[0031] The fixing strip limiting through hole is a strip-shaped through hole, and the length direction of the fixing strip limiting through hole is parallel to the width direction of the tracheal fixing strip.

[0032] Based on the above technical solution, two first limiting plates are erected at intervals on the top surface of the endotracheal tube fixing component;

[0033] The distance between the two first limiting uprights is an integer multiple of the distance between the two fixing strip limiting through holes.

[0034] Based on the above technical solution, both the first airbag fastener and the second airbag fastener have cross-shaped protrusions.

[0035] Based on the above technical solution, the limiting protrusion is a cylindrical structure;

[0036] The length direction of the limiting protrusion is parallel to the width direction of the tracheal fixing strip.

[0037] Compared with the prior art, the advantages of this application are:

[0038] This application uses a specific fixing structure and adjustment mechanism to fix the endotracheal tube, providing convenience for endotracheal intubation-related work and meeting practical needs. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0040] Fig. 1 This is a schematic diagram of the endotracheal tube fixing device according to an embodiment of this application;

[0041] Fig. 2 This is an exploded structural diagram of the endotracheal tube fixing device according to an embodiment of this application;

[0042] Fig. 3 This is a structural schematic diagram of the endotracheal intubation fixation device according to an embodiment of this application;

[0043] Fig. 4 This is a schematic diagram of the endotracheal tube fixing device in use according to an embodiment of this application;

[0044] In the picture:

[0045] 1. First support; 10. Strip slide rail; 100. Slide rail limiting through hole; 11. U-shaped structure; 12. Cheek support; 13. Connecting hook; 14. Strip upright plate; 2. Fixing strap; 20. Connecting hook; 21. Facial pad; 3. Tracheal tube fixing component; 30. Strip through hole; 31. First hook component; 32. First airbag fastener; 33. First oblique connecting component; 34. Second oblique connecting component; 35. First limiting upright plate; 4 40. Sliding component; 41. Second airbag fastener; 42. U-shaped sliding limit component; 43. Intermediate clamping plate; 44. V-shaped elastic mechanism; 45. First elastic plate; 46. Elastic limit protrusion; 47. Elastic pressing inclined plate; 48. First back plate; 9. Air tube fixing groove; 10. Air tube fixing strip; 11. Limiting protrusion; 22. Air tube fixing space; 33. Fixing strip limiting through hole; 44. Intubation tube thick tube; 5. Intubation tube thin tube; 65. Intubation airbag. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0047] The embodiments of this application will be further described in detail below with reference to the accompanying drawings.

[0048] This application provides an endotracheal tube fixing device, which uses a specific fixing structure and adjustment mechanism to fix the endotracheal tube, facilitating endotracheal intubation-related work and meeting practical needs.

[0049] To achieve the aforementioned technical effects, the overall concept of this application is as follows:

[0050] An endotracheal tube fixation device, the endotracheal tube fixation device comprising:

[0051] The first support 1 has an arc-shaped plate structure. The outer wall of the first support 1 is provided with a strip slide rail 10. The middle section of the inner wall of the first support 1 is provided with a U-shaped structure 11. The first groove 110 of the U-shaped structure 11 is away from the inner wall of the first support 1. The two ends of the first support 1 are respectively connected to a cheek support 12 and a connecting ear 13.

[0052] The fixing strap 2 has connecting hooks 20 at both ends that mate with the connecting ear 13. The outer wall of the hook bend of the connecting hook 20 is provided with a face pad 21. When the connecting hook 20 is connected to the corresponding connecting ear 13, the inner wall of the cheek support 12 contacts the outer wall of the face pad 21.

[0053] The endotracheal tube fixing component 3 has two strip-shaped through holes 30 spaced apart in the middle. The direction of the strip-shaped through holes 30 is parallel to the width direction of the endotracheal tube fixing component 3. A first hook component 31 is provided on the side wall of the endotracheal tube fixing component 3 where the strip-shaped through holes 30 are located.

[0054] The first end of the endotracheal tube fixing component 3 is provided with at least one first airbag fastener 32;

[0055] The top surface of the second end of the endotracheal tube fixing member 3 is connected to the sliding member 4 through the first oblique connecting member 33. The sliding member 4 is slidably disposed on the strip slide rail 10. At least one second airbag fastener 40 is provided on the side wall of the sliding member 4 facing the endotracheal tube fixing member 3.

[0056] The bottom surface of the second end of the endotracheal tube fixing component 3 is connected to the endotracheal tube fixing groove 5 through the second oblique connector 34. The endotracheal tube fixing groove 5 is a long strip groove with a U-shaped cross-section.

[0057] Tracheal fixing strip 6, the tail of which is provided with a limiting protrusion 60;

[0058] The trachea fixing strip 6 is configured to pass through the two strip-shaped through holes 30 in sequence to form a through hole-shaped trachea fixing space 61, and the central axis of the trachea fixing space 61 in the length direction coincides with the central axis of the trachea fixing groove 5 in the length direction.

[0059] The orientation between the first end of the endotracheal tube fixation member 3 and the second end of the endotracheal tube fixation member 3 is the length direction of the endotracheal tube fixation member 3.

[0060] The length direction of the endotracheal tube fixing component 3 is parallel to the length direction of the endotracheal tube fixing groove 5.

[0061] The embodiments of this application will be further described in detail below with reference to the accompanying drawings.

[0062] See Figs. 1-4 As shown, this application provides an endotracheal tube fixation device, which includes:

[0063] The first support 1 has an arc-shaped plate structure. The outer wall of the first support 1 is provided with a strip slide rail 10. The middle section of the inner wall of the first support 1 is provided with a U-shaped structure 11. The first groove 110 of the U-shaped structure 11 is away from the inner wall of the first support 1. The two ends of the first support 1 are respectively connected to a cheek support 12 and a connecting ear 13.

[0064] The fixing strap 2 has connecting hooks 20 at both ends that mate with the connecting ear 13. The outer wall of the hook bend of the connecting hook 20 is provided with a face pad 21. When the connecting hook 20 is connected to the corresponding connecting ear 13, the inner wall of the cheek support 12 contacts the outer wall of the face pad 21.

[0065] The endotracheal tube fixing component 3 has two strip-shaped through holes 30 spaced apart in the middle. The direction of the strip-shaped through holes 30 is parallel to the width direction of the endotracheal tube fixing component 3. A first hook component 31 is provided on the side wall of the endotracheal tube fixing component 3 where the strip-shaped through holes 30 are located.

[0066] The first end of the endotracheal tube fixing component 3 is provided with at least one first airbag fastener 32;

[0067] The top surface of the second end of the endotracheal tube fixing member 3 is connected to the sliding member 4 through the first oblique connecting member 33. The sliding member 4 is slidably disposed on the strip slide rail 10. At least one second airbag fastener 40 is provided on the side wall of the sliding member 4 facing the endotracheal tube fixing member 3.

[0068] The bottom surface of the second end of the endotracheal tube fixing component 3 is connected to the endotracheal tube fixing groove 5 through the second oblique connector 34. The endotracheal tube fixing groove 5 is a long strip groove with a U-shaped cross-section.

[0069] Tracheal fixing strip 6, the tail of which is provided with a limiting protrusion 60;

[0070] The trachea fixing strip 6 is configured to pass through the two strip-shaped through holes 30 in sequence to form a through hole-shaped trachea fixing space 61, and the central axis of the trachea fixing space 61 in the length direction coincides with the central axis of the trachea fixing groove 5 in the length direction.

[0071] The orientation between the first end of the endotracheal tube fixation member 3 and the second end of the endotracheal tube fixation member 3 is the length direction of the endotracheal tube fixation member 3.

[0072] The length direction of the endotracheal tube fixing component 3 is parallel to the length direction of the endotracheal tube fixing groove 5.

[0073] In this embodiment, a fixed structure and adjustment mechanism with a specific structure are used to fix the endotracheal tube, which facilitates endotracheal intubation-related work and meets practical needs.

[0074] Furthermore, the outer wall of the first bracket 1 is connected to the strip slide rail 10 via a strip vertical plate 14;

[0075] An I-beam structure is formed between the outer wall of the first bracket 1, the strip upright plate 14, and the strip slide rail 10.

[0076] Furthermore, the strip slide rail 10 is provided with a plurality of slide rail limiting through holes 100 at intervals.

[0077] Furthermore, the slider 4 includes:

[0078] U-shaped sliding limit member 41, the U-shaped sliding limit member 41 is slidably disposed on the strip rail 10;

[0079] An intermediate clamping plate 42 is provided on the side wall of the U-shaped sliding limiter 41 away from the strip slide rail 10. V-shaped elastic mechanisms 43 are provided at both ends of the intermediate clamping plate 42, and the two V-shaped elastic mechanisms 43 are located on both sides of the U-shaped sliding limiter 41.

[0080] A first back plate 44 is disposed on the side of the intermediate clamping plate 42 opposite to the U-shaped sliding limiting member 41, and at least one second airbag clamping member 40 is provided on the side of the first back plate 44 facing the endotracheal tube fixing member 3; wherein...

[0081] The V-shaped elastic mechanism 43 includes:

[0082] A first elastic plate 430 parallel to the side wall of the U-shaped sliding limiter 41, with an elastic limiting protrusion 431 at one end;

[0083] The other end of the first elastic plate 430 is provided with an elastic pressing inclined plate 432;

[0084] The first elastic plate 430, the elastic pressing inclined plate 432 and the intermediate clamping plate 42 are arranged in a Y-shape, and the first elastic plate 430 and the elastic pressing inclined plate 432 are on the same side as a set of symmetrical planes of the intermediate clamping plate 42.

[0085] The elastic limiting protrusion 431 faces the slide rail limiting through hole 100 and is configured to extend into or move out of the slide rail limiting through hole 100 when the elastic pressing inclined plate 432 is pressed.

[0086] The distance between the two elastic limiting protrusions 431 is an integer multiple of the distance between the two slide rail limiting through holes 100.

[0087] Furthermore, the tracheal fixing strip 6 is provided with a plurality of fixing strip limiting through holes 62;

[0088] The fixing strip limiting through hole 62 is a strip-shaped through hole, and the length direction of the fixing strip limiting through hole 62 is parallel to the width direction of the air tube fixing strip 6.

[0089] Furthermore, two first limiting plates 35 are erected at intervals on the top surface of the endotracheal tube fixing component 3;

[0090] The distance between the two first limiting plates 35 is an integer multiple of the distance between the two fixing strip limiting through holes 62.

[0091] Furthermore, both the first airbag retainer 32 and the second airbag retainer 40 are cross-shaped protrusions.

[0092] Furthermore, the limiting protrusion 60 is a cylindrical structure;

[0093] The length direction of the limiting protrusion 60 is parallel to the width direction of the tracheal fixing strip 6.

[0094] Specifically, the endotracheal intubation includes a thick tube A and at least one thin tube B connected to the thick tube A, with an intubation cuff C provided at the free end of each thin tube B.

[0095] It should be noted that the assembly method of the technical solution in the embodiments of this application is specifically described from the perspective of the assembly method of endotracheal intubation:

[0096] The connecting hooks 20 at both ends of the fixing strap 2 are hung on the corresponding connecting ears 13. At this time, the inner wall of the cheek support 12 abuts against the outer wall of the facial pad 21, so that the facial pad 21 adheres tightly to the patient's cheek under the influence of the elasticity of the fixing strap 2.

[0097] Move the sliding member 4 to adjust the position of the endotracheal tube fixing member 3. The endotracheal tube A is placed in the endotracheal fixing groove 5. At this time, the endotracheal fixing strip 6 passes through the two strip-shaped through holes 30 in sequence to form a through hole-shaped endotracheal fixing space 61 to limit the endotracheal tube A.

[0098] Hang the intubation tube B inside the first hook 31, and then fix the free end of the intubation airbag C on the first airbag fastener 32.

[0099] If necessary, the free end of the intubation airbag C is provided with a groove structure, so that the first airbag clamp 32 can be inserted into the groove structure of the free end of the intubation airbag C to fix the intubation airbag C.

[0100] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0101] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0102] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A device for fixing an endotracheal tube, characterized in that, The endotracheal tube fixation device includes: The first support (1) has an arc-shaped plate structure. The outer wall of the first support (1) is provided with a strip slide rail (10). The middle section of the inner wall of the first support (1) is provided with a U-shaped structure (11). The first groove (110) of the U-shaped structure (11) is away from the inner wall of the first support (1). The two ends of the first support (1) are respectively connected to a cheek support (12) and a connecting ear (13). The fixing strap (2) has connecting hooks (20) at both ends that mate with the connecting ear (13). The outer wall of the hook bend of the connecting hook (20) is provided with a face pad (21). When the connecting hook (20) is connected to the corresponding connecting ear (13), the inner wall of the cheek support (12) contacts the outer wall of the face pad (21). The endotracheal tube fixing component (3) has two strip-shaped through holes (30) spaced apart in the middle. The direction of the strip-shaped through holes (30) is parallel to the width direction of the endotracheal tube fixing component (3). A first hook component (31) is provided on the side wall of the endotracheal tube fixing component (3) where the strip-shaped through holes (30) are located. The first end of the endotracheal tube fixing component (3) is provided with at least one first airbag fastener (32); The top surface of the second end of the endotracheal tube fixing member (3) is connected to the sliding member (4) through the first oblique connector (33). The sliding member (4) is slidably disposed on the strip slide rail (10). The side wall of the sliding member (4) facing the endotracheal tube fixing member (3) is provided with at least one second airbag fastener (40). The bottom surface of the second end of the endotracheal tube fixing component (3) is connected to the endotracheal fixing groove (5) through the second oblique connector (34). The endotracheal fixing groove (5) is a long strip groove with a U-shaped cross-section. Tracheal fixing strip (6), the tail of the tracheal fixing strip (6) is provided with a limiting protrusion (60); The tracheal fixing strip (6) is configured to pass through the two strip-shaped through holes (30) in sequence to form a through hole-shaped tracheal fixing space (61), and the central axis of the tracheal fixing space (61) in the length direction coincides with the central axis of the tracheal fixing groove (5) in the length direction. The orientation between the first end of the endotracheal tube fixation member (3) and the second end of the endotracheal tube fixation member (3) is the length direction of the endotracheal tube fixation member (3); The length direction of the endotracheal tube fixing component (3) is parallel to the length direction of the endotracheal fixing groove (5).

2. The endotracheal tube fixing device as described in claim 1, characterized in that: The outer wall of the first bracket (1) is connected to the strip rail (10) via a strip vertical plate (14); An I-shaped structure is formed between the outer wall of the first bracket (1), the strip upright plate (14), and the strip slide rail (10).

3. The endotracheal tube fixation device as described in claim 2, characterized in that: Multiple rail limiting through holes (100) are provided at intervals on the strip rail (10).

4. The endotracheal tube fixing device as described in claim 3, characterized in that, The slider (4) includes: U-shaped sliding limit member (41), the U-shaped sliding limit member (41) is slidably disposed on the strip rail (10); An intermediate clamping plate (42) is provided on the side wall of the U-shaped sliding limiter (41) away from the strip slide rail (10). V-shaped elastic mechanisms (43) are provided at both ends of the intermediate clamping plate (42). The two V-shaped elastic mechanisms (43) are located on both sides of the U-shaped sliding limiter (41). A first back plate (44) is disposed on the side of the intermediate clamping plate (42) opposite to the U-shaped sliding limiting member (41), and at least one second airbag fastener (40) is provided on the side of the first back plate (44) facing the endotracheal tube fixing member (3); wherein, The V-shaped elastic mechanism (43) includes: A first elastic plate (430) parallel to the side wall of the U-shaped sliding limiter (41) has an elastic limiting protrusion (431) at one end; The other end of the first elastic plate (430) is provided with an elastic pressing inclined plate (432); The first elastic plate (430), the elastic pressing inclined plate (432) and the intermediate clamping plate (42) are arranged in a Y-shape, and the first elastic plate (430) and the elastic pressing inclined plate (432) are on the same side as a set of symmetrical planes of the intermediate clamping plate (42); The elastic limiting protrusion (431) faces the slide rail limiting through hole (100) and is configured to extend into or move out of the slide rail limiting through hole (100) when the elastic pressing ramp (432) is pressed. The distance between the two elastic limiting protrusions (431) is an integer multiple of the distance between the two slide rail limiting through holes (100).

5. The endotracheal tube fixation device as described in claim 1, characterized in that: The tracheal fixing strip (6) is provided with multiple fixing strip limiting through holes (62); The fixing strip limiting through hole (62) is a strip-shaped through hole, and the length direction of the fixing strip limiting through hole (62) is parallel to the width direction of the tracheal fixing strip (6).

6. The endotracheal tube fixing device as described in claim 5, characterized in that: The top surface of the endotracheal tube fixing component (3) is provided with two first limiting plates (35) at intervals; The distance between the two first limiting plates (35) is an integer multiple of the distance between the two fixing strip limiting through holes (62).

7. The endotracheal tube fixing device as described in claim 1, characterized in that: Both the first airbag retainer (32) and the second airbag retainer (40) are cross-shaped protrusions.

8. The endotracheal tube fixing device as described in claim 1, characterized in that: The limiting protrusion (60) is a cylindrical structure; The length direction of the limiting protrusion (60) is parallel to the width direction of the tracheal fixing strip (6).

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