Head fixing device for fixing auxiliary tracheal catheter for transferring critical patient
By designing a head fixing device that can adjust the spacing of splints and clamp the fixing mechanism, the problems of unstable head and intubation of tracheal intubation in critically ill patients are solved, and adaptability to different transport equipment and safety and comfort of patients are achieved.
Patent Information
- Application Number
- CN202422270796.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The head of the middle-aged and severe patients in the prior art is unstable when transporting, the tracheal intubation is not fixed firmly, and the support pad is difficult to adapt to different transport equipment, which limits the scope of use.
A head fixing device including pads, adjustment plates, splints and fixing mechanisms is designed. By adjusting the spacing of the splint and fixing of the clamping plates, it adapts to different transport equipment and effectively fixes the patient's head and tracheal intubation.
It improves the fixation effect of head and tracheal intubation, adapts to different transport equipment, and enhances the safety and comfort of patients.
Smart Images
Figure CN223143692U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, in particular to a head fixing device for auxiliary tracheal catheter fixation during the transfer of critically ill patients. Background Technique
[0002] During the treatment of critically ill patients, transfer is a crucial link. In particular, the fixation of the head and the stability of tracheal intubation are of vital importance to the patient's life safety. Fixing the patient's head and tracheal intubation can ensure that the position of the patient's head does not shift due to jolting and prevent the tracheal intubation from slipping out, so as to ensure the safety and comfort of the patient in scenarios such as first aid and in-hospital transfer.
[0003] The inventor found the following problems in the prior art during the implementation of this application:
[0004] In the prior art, when a patient is transferred, the patient's head is generally fixed by a fixing band or a support pad placed under the patient's head, and the position of the tracheal intubation is fixed by medical tape. This fixing method is not convenient for providing a stable lateral support effect for the patient's head, and the fixing method for the tracheal intubation is not firm enough. At the same time, since the support pad mostly adopts a placement design, it is not convenient to install and fix the support pad according to different transfer devices, which limits its scope of use.
[0005] Therefore, those skilled in the art provided a head fixing device for auxiliary tracheal catheter fixation during the transfer of critically ill patients to solve the problems raised in the above background technique. Content of the Utility Model
[0006] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a head fixing device for auxiliary tracheal catheter fixation during the transfer of critically ill patients, which can adjust the distance between two splints by adjusting the distance between two extension blocks sliding on the inner wall of the cushion block, so as to facilitate adaptation to different transfer devices, and can effectively fix the patient's head and tracheal intubation.
[0007] To achieve the above purpose, the utility model provides the following technical solutions:
[0008] A head fixing device for auxiliary tracheal catheter fixation during the transfer of critically ill patients, including a cushion block and two adjusting plates. An adjusting groove is opened inside the cushion block, and a support mechanism is arranged inside the adjusting groove. The support mechanism includes a double-headed screw rod, two sliding blocks, a headrest and two clamping plates. Extension blocks are slidably arranged on both sides inside the cushion block, and clamping plates are fixedly arranged on one side of the lower end surfaces of the two extension blocks;
[0009] On both sides of the two clamping plates, fixing mechanisms are provided at both the front and rear ends. The four fixing mechanisms each include two fixing plates, two sliding rods, a second threaded rod, and a base plate. At the front end of the relative sides of the two adjusting plates, a rotating block is rotatably provided. On both sides of the center of the inner wall of the rotating block, clamping blocks are slidably inserted. At the center of the front end face of the rotating block, a clamping mechanism is provided. The clamping mechanism includes two second springs, a C-shaped inserting rod, a sleeve plate, and a fixing box.
[0010] Further, the fixing box is fixedly provided at the center of the front end face of the rotating block. The two second springs are respectively fixedly provided on both sides of the front end face of the inner wall of the fixing box. The sleeve plate is fixedly provided at the rear ends of the two second springs. The two ends of the C-shaped inserting rod respectively penetrate through both sides of the front end face and both sides of the rear end face of the fixing box and are movably sleeved on the inner walls of the two second springs. The sleeve plate is fixedly sleeved on the outer walls of the two ends of the C-shaped inserting rod near the rear end.
[0011] Further, the four base plates are respectively fixedly provided at the lower ends of the front and rear ends of the relative sides of the two clamping plates. The eight sliding rods are respectively fixedly provided on both sides of the upper end faces of the four base plates. The four second threaded rods are respectively rotatably provided at the centers of the upper end faces of the four base plates. Four of the eight fixing plates are respectively fixedly provided at the upper ends of the front and rear ends of the relative sides of the two clamping plates, and the other four fixing plates are respectively slidably provided at the centers of the front and rear ends of the relative sides of the two clamping plates. The four second threaded rods respectively threadedly penetrate through the four fixing plates located at the center. The eight sliding rods respectively penetrate through the four fixing plates located at the center in pairs and slidably.
[0012] Further, both ends of the double-headed screw rod are respectively rotatably provided at the centers of both sides of the inner wall of the adjusting groove. The two sliding blocks are respectively threadedly sleeved on both sides of the outer wall of the double-headed screw rod. The headrest is fixedly provided at the center of the upper end face of the cushion block. The two clamping plates are respectively fixedly provided on one side of the upper end faces of the two sliding blocks.
[0013] Further, on both sides of the upper end face of the outer wall of the cushion block, adjusting frames are fixedly provided. At the bottom end faces of the inner walls of the two adjusting frames, first threaded rods are rotatably provided. On the rear ends of the opposite sides of the two adjusting plates, they are respectively slidably provided in the inner walls of the two adjusting frames and are respectively threadedly sleeved on the outer walls of the two first threaded rods.
[0014] Further, at the centers of both sides of the inner wall of the rotating block, rebound grooves are respectively opened. The two clamping blocks are respectively slidably provided in the two rebound grooves. On the opposite sides of the two clamping blocks, first springs are respectively fixedly provided. On the front end faces of the two clamping blocks, a plurality of embedding grooves are opened. The two ends of the C-shaped inserting rod are respectively embedded in one of the plurality of embedding grooves opened on the front end faces of the two clamping blocks.
[0015] Furthermore, sliding grooves are provided at the upper ends of the front and rear end surfaces of the inner wall of the cushion block, and multiple fixed grooves are provided on the upper end surfaces of the two sliding grooves. Fixed blocks are fixedly arranged on one side of the upper ends of the front and rear end surfaces of the two extension blocks, and the four fixed blocks are slidably arranged in the two sliding grooves in pairs and are respectively embedded in one of the multiple fixed grooves.
[0016] Furthermore, elastic fabric belts are fixedly provided at the center of the upper ends and the front ends of the two splints on one side away from each other, and two of the four elastic fabric belts located on the same splint are fixedly provided with No. 1 buckles at one end, and the other two elastic fabric belts are fixedly provided with No. 2 buckles at one end, and the two No. 1 buckles are movably connected to the inside of the two No. 2 buckles respectively.
[0017] The utility model has the following beneficial effects:
[0018] 1. The utility model proposes a head fixing device for fixing a critically ill patient with an auxiliary endotracheal tube during transfer. The cushion block is pulled upward to make four fixing blocks disengage from fixing grooves and slide inside the sliding grooves. Then, two extension blocks are pulled out to both sides to adjust the distance between two clamping plates. After adjusting to a suitable width, the two clamping plates are moved so that the sides of the transfer bed or the stretcher are located between the fixing plates in groups of two among the eight fixing plates. Then, the No. 2 threaded rod is rotated to drive the fixing plate at the lower end to move upward. The two clamping plates are clamped to both sides of the transfer equipment through the two fixing plates corresponding to the upper and lower parts, so that the device can adapt to transfer equipment of different forms and specifications, thereby greatly improving the applicability of the device.
[0019] 2. The utility model proposes a head fixation device for critically ill patients to be transferred to an auxiliary endotracheal tube fixation device. The patient's head is placed on the upper end surface of the headrest, and then the double-headed screw is rotated to drive the two clamping plates to move toward each other through the two sliding blocks to clamp and fix the two sides of the patient's head, thereby increasing the fixing effect of the headrest on the patient's head. The endotracheal tube is then passed through the inner walls of the two clamping blocks, and the C-shaped embedded rod is pulled toward the front end so that the two ends of the C-shaped embedded rod are separated from the embedded groove. At this time, the two embedded blocks move toward each other under the action of the spring to clamp and fix the endotracheal tube. Then the C-shaped embedded rod is loosened so that the two ends of the C-shaped embedded rod are embedded in the embedded groove to fix the positions of the two clamping blocks, thereby further improving the fixing effect of the patient's head and the endotracheal tube position. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is an overall axonometric schematic diagram of the utility model;
[0021] Figure 2 It is a front cross-sectional schematic diagram of the cushion block of the utility model;
[0022] Figure 3 It is a top-sectional schematic diagram of the rotating block of the utility model;
[0023] Figure 4 Isometric schematic diagram of the combination of the extension block and the spacer block of the present utility model;
[0024] Figure 5 Isometric schematic diagram of the extension block of the present utility model.
[0025] Legend:
[0026] 1. Splint; 2. Extension block; 3. Spacer block; 4. Adjusting frame; 5. Clamping mechanism; 6. Adjusting plate; 7. First threaded rod; 8. Rotating block; 9. First buckle; 10. Fixing mechanism; 11. Second buckle; 12. Elastic cloth belt; 13. Supporting mechanism; 14. Fixing groove; 15. Sliding groove; 16. Adjusting groove; 17. Rebound groove; 18. Clamping block; 19. Embedded groove; 20. First spring; 21. Fixed block; 501. Second spring; 502. C-shaped embedding rod; 503. Sleeve plate; 504. Fixed box; 1001. Fixed plate; 1002. Slide bar; 1003. Second threaded rod; 1004. Substrate; 1301. Double-headed screw rod; 1302. Sliding block; 1303. Headrest; 1304. Clamping plate. Specific implementation mode
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0028] Refer to Figures 1 to 5 One embodiment provided by the present utility model:
[0029] A head fixing device for auxiliary tracheal catheter fixation during the transfer of critically ill patients, including a spacer block 3 and two adjusting plates 6. An adjusting groove 16 is opened inside the spacer block 3, a supporting mechanism 13 is arranged inside the adjusting groove 16, extension blocks 2 are slidably arranged on both sides inside the spacer block 3, and a splint 1 is fixedly arranged on one side of the lower end surfaces of the two extension blocks 2;
[0030] Fixing mechanisms 10 are arranged at both the front and rear ends on the opposite sides of the two splints 1, a rotating block 8 is rotatably arranged at the front end on the opposite sides of the two adjusting plates 6, clamping blocks 18 are slidably embedded in the centers of both sides of the inner wall of the rotating block 8, and a clamping mechanism 5 is arranged at the center of the front end surface of the rotating block 8.
[0031] Specifically, the support mechanism 13 can provide support forces on both sides of the patient's head, which can further fix the patient's head. The cushion block 3 plays a role in fixing the support mechanism 13 and connecting the two extension blocks 2, facilitating the adjustment of the distance between the two splints 1. The fixing mechanism 10 can fix the two splints 1 on both sides of the transfer device respectively. Cooperating with the cushion block 3, it can adapt to transfer devices of different shapes and sizes. The two clamping blocks 18 can fix the tracheal intubation, and the clamping mechanism 5 can fix the distance between the two clamping blocks 18, facilitating the fixation and disassembly of the tracheal intubation.
[0032] Refer to Figure 1 、 Figure 3 , the fixing box 504 is fixedly arranged at the center of the front end face of the rotating block 8. The two second springs 501 are respectively fixedly arranged on both sides of the front end face of the inner wall of the fixing box 504. The sleeve plate 503 is fixedly arranged at the rear ends of the two second springs 501. The two ends of the C-shaped insertion rod 502 respectively penetrate through both sides of the front end face and both sides of the rear end face of the fixing box 504 and are movably sleeved on the inner walls of the two second springs 501. The sleeve plate 503 is fixedly sleeved on the outer walls of the two ends of the C-shaped insertion rod 502 near the rear end.
[0033] Specifically, pulling the C-shaped insertion rod 502 can make the two second springs 501 in a contracted state through the movement of the sleeve plate 503. When the C-shaped insertion rod 502 is released, the two second springs 501 can drive the C-shaped insertion rod 502 to reset through the sleeve plate 503.
[0034] Refer to Figure 1 , the four base plates 1004 are respectively fixedly arranged at the lower ends of the front and rear ends of the opposite sides of the two splints 1. The eight sliding rods 1002 are respectively fixedly arranged on both sides of the upper end faces of the four base plates 1004. The four second threaded rods 1003 are respectively rotatably arranged at the centers of the upper end faces of the four base plates 1004. Four of the eight fixing plates 1001 are respectively fixedly arranged at the upper ends of the front and rear ends of the opposite sides of the two splints 1, and the other four fixing plates 1001 are respectively slidably arranged at the centers of the front and rear ends of the opposite sides of the two splints 1. The four second threaded rods 1003 respectively threadedly penetrate through the four fixing plates 1001 located at the centers. The eight sliding rods 1002 respectively penetrate through the four fixing plates 1001 located at the centers in pairs and slidably.
[0035] Specifically, rotating the second threaded rod 1003 can drive the fixing plate 1001 slidably arranged at the center to move upward along the two sliding rods 1002. By adjusting the distance between the upper and lower fixing plates 1001, the two splints 1 can be fixed on both sides of the transfer device.
[0036] Refer to Figure 1 、 Figure 2 、 Figure 4, both ends of the double-headed screw 1301 are rotatably arranged at the centers of both sides of the inner wall of the adjustment groove 16, two sliding blocks 1302 are respectively threadedly sleeved on both sides of the outer wall of the double-headed screw 1301, the headrest 1303 is fixedly arranged at the center of the upper end surface of the cushion block 3, and two clamping plates 1304 are respectively fixedly arranged on one side of the upper end surfaces of the two sliding blocks 1302.
[0037] Specifically, by rotating the double-headed screw 1301, the two sliding blocks 1302 drive the two clamping plates 1304 to move towards each other, so that the two clamping plates 1304 can support both sides of the patient's head located above the headrest 1303, which can improve the support effect.
[0038] Refer to Figure 1 , both sides of the upper end surface of the outer wall of the cushion block 3 are fixedly provided with adjustment frames 4, the bottom end surfaces of the inner walls of the two adjustment frames 4 are rotatably provided with first threaded rods 7, and the rear ends of the separated sides of the two adjustment plates 6 are respectively slidably arranged in the inner walls of the two adjustment frames 4 and are respectively threadedly sleeved on the outer walls of the two first threaded rods 7.
[0039] Specifically, rotating the two first threaded rods 7 drives the two adjustment plates 6 and the rotating block 8 to move up and down, which is convenient for adjusting the height of the rotating block 8 and facilitating the tracheal intubation to penetrate through the inner wall of the rotating block 8.
[0040] Refer to Figure 1 、 Figure 3 , rebound grooves 17 are respectively opened at the centers of both sides of the inner wall of the rotating block 8, two clamping blocks 18 are respectively slidably arranged in the two rebound grooves 17, first springs 20 are respectively fixedly arranged on the separated sides of the two clamping blocks 18, a plurality of embedding grooves 19 are respectively opened on the front end surfaces of the two clamping blocks 18, and both ends of the C-shaped embedding rod 502 are respectively embedded in one of the plurality of embedding grooves 19 opened on the front end surfaces of the two clamping blocks 18.
[0041] Specifically, the two clamping blocks 18 move towards each other under the action of the two first springs 20, and then the two ends of the C-shaped embedding rod 502 are embedded inside the embedding grooves 19 to fix the distance between the two clamping blocks 18, so as to achieve the fixing effect on the tracheal intubation.
[0042] Refer to Figure 2 、 Figure 4 , sliding grooves 15 are respectively opened at the upper ends of the front and rear end surfaces of the inner wall of the cushion block 3, a plurality of fixing grooves 14 are respectively opened on the upper end surfaces of the two sliding grooves 15, fixing blocks 21 are respectively fixedly arranged on one side of the upper ends of the front and rear end surfaces of the two extension blocks 2, and the four fixing blocks 21 are respectively slidably arranged in the two sliding grooves 15 in pairs and are respectively embedded in one of the plurality of fixing grooves 14 inside.
[0043] Specifically, lift the spacer block 3 upward so that the fixed block 21 disengages from the fixed slot 14 and enters the inside of the sliding slot 15. Then, the two extension blocks 2 can be pulled to the two sides respectively to adjust the distance between the two clamping plates 1, so that the distance between the two clamping plates 1 can adapt to different specifications of the transfer device, which can improve the versatility of the device.
[0044] Refer to Figure 1 , at the center and the front end of the upper end of the separated sides of the two clamping plates 1, elastic cloth belts 12 are fixedly arranged. One end of the two elastic cloth belts 12 located on the same clamping plate 1 among the four elastic cloth belts 12 is fixedly provided with a first buckle 9, and the other end of the other two elastic cloth belts 12 is fixedly provided with a second buckle 11. The two first buckles 9 are respectively movably clamped inside the two second buckles 11.
[0045] Specifically, the first buckle 9 can be pulled to be inserted into the second buckle 11 at the corresponding position on the other clamping plate 1 along the upper end of the two clamping plates 1. The elastic cloth belt 12 is used to bind and fix the patient's neck and shoulders, achieving the effect of preventing the patient's body from shifting during bumps.
[0046] Working principle: Lift the spacer block 3 upward to make the fixed block 21 disengage from the fixed slot 14 and enter the inside of the sliding slot 15. At this time, the extension block 2 can be pulled to the two sides to adjust the distance between the two clamping plates 1, which is convenient for installing the device on transfer equipment of different sizes. Then, the two clamping plates 1 are respectively fixed on both sides of the transfer equipment through the fixing mechanism 10. Then, place the patient's head above the headrest 1303, and drive the two clamping plates 1304 to move towards each other by rotating the double-headed screw rod 1301, so as to effectively support both sides of the patient's head, further improving the fixing effect on the patient's head. Then, rotate the two first threaded rods 7 to drive the two adjusting plates 6 to drive the rotating block 8 to move downward to a suitable position. Then, pass the tracheal intubation through the inner wall of the rotating block 8 and pull the C-shaped insert rod 502 to make the C-shaped insert rod 502 disengage from the insert slot 19, so that the two clamping blocks 18 move towards each other under the action of the two first springs 20. Then, release the C-shaped insert rod 502, so that the C-shaped insert rod 502 is embedded into the insert slot 19 under the elastic force of the second spring 501 to fix the distance between the two clamping blocks 18, thereby realizing the effect of clamping and fixing the tracheal intubation. Then, the two first buckles 9 and the two second buckles 11 are used to bind the patient's neck and shoulders with the elastic cloth belt 12 to prevent the patient's body from shifting during bumps.
[0047] Finally, it should be noted that the above are only preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. An auxiliary tracheal catheter fixation head fixation device for critically ill patients during transfer, comprising a cushion block (3) and two adjusting plates (6), characterized in that: The cushion block (3) is internally provided with an adjustment groove (16), and a support mechanism (13) is arranged inside the adjustment groove (16). The support mechanism (13) includes a double-headed screw rod (1301), two sliding blocks (1302), a headrest (1303) and two clamping plates (1304). On both sides of the inside of the cushion block (3), extension blocks (2) are slidably arranged, and on one side of the lower end surfaces of the two extension blocks (2), clamping plates (1) are fixedly arranged. On both sides of the relative sides of the two clamping plates (1), fixing mechanisms (10) are arranged at both the front and rear ends. The four fixing mechanisms (10) each include two fixing plates (1001), two sliding rods (1002), a second threaded rod (1003) and a substrate (1004). At the front end of the relative sides of the two adjusting plates (6), a rotating block (8) is rotatably arranged. On both sides of the center of the inner wall of the rotating block (8), clamping blocks (18) are slidably inserted. At the center of the front end surface of the rotating block (8), a clamping mechanism (5) is arranged. The clamping mechanism (5) includes two second springs (501), a C-shaped insertion rod (502), a sleeve plate (503) and a fixing box (504).
2. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, characterized in that: The fixing box (504) is fixedly arranged at the center of the front end surface of the rotating block (8). The two second springs (501) are respectively fixedly arranged on both sides of the front end surface of the inner wall of the fixing box (504). The sleeve plate (503) is fixedly arranged at the rear ends of the two second springs (501). The two ends of the C-shaped insertion rod (502) respectively penetrate through both sides of the front end surface and both sides of the rear end surface of the fixing box (504) and are movably sleeved on the inner walls of the two second springs (501). The sleeve plate (503) is fixedly sleeved on the outer walls of both ends of the C-shaped insertion rod (502) near the rear end.
3. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, wherein: The four substrates (1004) are respectively fixedly arranged at the lower ends of both the front and rear ends of the relative sides of the two clamping plates (1). The eight sliding rods (1002) are respectively fixedly arranged on both sides of the upper end surfaces of the four substrates (1004). The four second threaded rods (1003) are respectively rotatably arranged at the centers of the upper end surfaces of the four substrates (1004). Four of the eight fixing plates (1001) are respectively fixedly arranged at the upper ends of both the front and rear ends of the relative sides of the two clamping plates (1), and the other four fixing plates (1001) are respectively slidably arranged at the centers of both the front and rear ends of the relative sides of the two clamping plates (1). The four second threaded rods (1003) respectively threadedly penetrate through the four fixing plates (1001) located at the center. The eight sliding rods (1002) respectively penetrate through the four fixing plates (1001) located at the center in pairs and slidably.
4. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, characterized in that: The two ends of the double-headed screw rod (1301) are respectively rotatably arranged at the centers of both sides of the inner wall of the adjustment groove (16). The two sliding blocks (1302) are respectively threadedly sleeved on both sides of the outer wall of the double-headed screw rod (1301). The headrest (1303) is fixedly arranged at the center of the upper end surface of the cushion block (3). The two clamping plates (1304) are respectively fixedly arranged on one side of the upper end surfaces of the two sliding blocks (1302).
5. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, characterized in that: On both sides of the upper end face of the outer wall of the cushion block (3), adjusting frames (4) are fixedly arranged. On the bottom end faces of the inner walls of the two adjusting frames (4), first threaded rods (7) are rotatably arranged. On the rear sides of the separated sides of the two adjusting plates (6), they are respectively slidably arranged on the inner walls of the two adjusting frames (4) and are respectively threadedly sleeved on the outer walls of the two first threaded rods (7).
6. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, wherein: At the centers of both sides of the inner wall of the rotating block (8), rebound grooves (17) are respectively formed. The two clamping blocks (18) are respectively slidably arranged in the two rebound grooves (17). On the separated sides of the two clamping blocks (18), first springs (20) are fixedly arranged. On the front end faces of the two clamping blocks (18), a plurality of embedding grooves (19) are formed. Both ends of the C-shaped embedding rod (502) are respectively embedded in one of the plurality of embedding grooves (19) formed on the front end faces of the two clamping blocks (18).
7. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, wherein: On the upper ends of the front and rear end faces of the inner wall of the cushion block (3), sliding grooves (15) are respectively formed. On the upper end faces of the two sliding grooves (15), a plurality of fixing grooves (14) are formed. On the upper sides of the front and rear end faces of the two extension blocks (2), fixing blocks (21) are fixedly arranged. The four fixing blocks (21) are respectively slidably arranged in the two sliding grooves (15) in pairs and are respectively embedded in one of the plurality of fixing grooves (14).
8. The head fixation device for auxiliary tracheal catheter fixation during the transfer of critically ill patients according to claim 1, characterized in that: On the upper center and the front side of the separated sides of the two clamping plates (1), elastic cloth belts (12) are fixedly arranged. One end of the two elastic cloth belts (12) located on the same clamping plate (1) among the four elastic cloth belts (12) is fixedly provided with a first buckle (9), and the other end of the other two elastic cloth belts (12) is fixedly provided with a second buckle (11). The two first buckles (9) are respectively movably clamped inside the two second buckles (11).