Head fixing device suitable for oral general anesthesia operation

Abstract

The utility model belongs to the technical field of medical auxiliary instruments, and particularly relates to a head fixing device suitable for an oral general anesthesia operation. The head fixing device suitable for the oral general anesthesia operation comprises a base arranged on an operating bed and a headrest arranged on the base. The headrest comprises a fixed air bag, two side supporting air bags and a rotary fixing assembly arranged between the fixed plate and the side supporting air bags, and the fixed air bag and the side supporting air bags can be independently inflated. During use, a medical worker firstly inflates the fixed air bag according to the size of the head of a patient, the lifting height of the head of the patient is adjusted by controlling the inflation amount of the fixed air bag, then the two side supporting air bags are fixedly arranged on the two sides of the head of the patient by rotating the fixing assembly, and then the two side supporting air bags are respectively inflated; by controlling the inflation volume of the two side supporting air bags, the left-right swing angle of the head of the patient is adjusted, compression of the two side supporting air bags on the two sides of the head of the patient is relieved, adjustment is convenient, and pressure sores are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical auxiliary equipment, and in particular relates to a head fixing device suitable for oral general anesthesia surgery. Background Art

[0002] In oral surgery, a surgical support frame is required to support or fix the patient's head during the operation. Generally, a concave pillow is used to provide simple support for the head. However, during the operation, the patient's head posture needs to be adjusted, such as adjusting the left and right swing angles, or the elevation angle, etc. At present, during the operation, medical staff need to adjust the posture by adding pads, which is difficult to adjust and has poor adjustment accuracy. In addition, oral general anesthesia surgery generally requires the head to be fixed for 3-4 hours, and long-term compression will cause pressure sores. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a head fixing device suitable for oral general anesthesia surgery which can avoid pressure sores.

[0004] The utility model adopts the following technical solutions:

[0005] A head fixing device suitable for oral general anesthesia surgery comprises a base and a headrest; the base is detachably arranged on an operating table, comprising a fixing plate, two movable seats relatively arranged on both sides of the fixing plate and movable toward or away from each other, and a first fixing assembly arranged between the movable seats and the fixing plate; the headrest is arranged on the base and used to fix the patient's head, comprising a fixed airbag arranged on the top surface of the fixing plate for supporting the patient's head, two side support airbags rotatably arranged on both sides of the fixing plate for fixing both sides of the patient's head, and a rotating fixing assembly arranged between the fixing plate and the side support airbags, wherein the fixed airbag and the side support airbags can be inflated separately.

[0006] Furthermore, the fixed airbag includes a groove which is recessed inward from its top surface and can adapt to the shape of the patient's head. The side support airbag includes a support side plate rotatably connected to the fixed plate, a first airbag arranged on the side of the support side plate opposite to the patient's head, and two second airbags arranged opposite to the side of the first airbag. The first airbag is provided with a accommodating cavity opposite to the patient's ear.

[0007] Furthermore, the rotating and fixing assembly includes two rotating plates rotatably arranged on both sides of the bottom of the supporting side plate, a support rod arranged at the bottom of the rotating plate, and an arc-shaped limiting groove arranged on the fixed plate opposite to the rotating plate for limiting the rotation of the support rod. When the support rod is embedded in the arc-shaped limiting groove, the rotating plate is arranged vertically to the fixed plate, and the side support airbag does not rotate relative to the fixed plate.

[0008] Furthermore, the movable seat body includes two parallel movable rods and a connecting plate connected between the two movable rods, the movable rod includes a rod body and a hook portion bent downward from one end of the rod body, the hook portion can contact the side of the operating bed, and the connecting plate includes a first connecting plate arranged between the two hook portions and a second connecting plate arranged between the two rod bodies for limiting the movement of the two movable rods, and the second connecting plate can contact the side of the fixed plate.

[0009] Furthermore, the fixing plate is provided with two moving grooves for allowing the two moving rods to move back and forth, and the first fixing assembly includes a first fixing bolt movably provided on one side of the moving groove for tightening the moving rod.

[0010] Furthermore, it also includes an eye shielding mechanism arranged on the base and capable of being opposite to the fixed airbag for protecting the patient's eyes. The eye shielding mechanism includes a mounting sleeve arranged on the fixed plate, a shielding cloth bracket movably arranged in the mounting sleeve, and a second fixed component arranged between the mounting sleeve and the shielding cloth bracket.

[0011] Furthermore, the shade cloth bracket includes a mounting rod movably arranged in a mounting sleeve, a rectangular mounting frame formed on the top of the mounting rod and arranged perpendicularly to the mounting rod, and a shade cloth body arranged in the rectangular mounting frame, and the second fixing component includes a second fixing bolt movably arranged on one side of the mounting sleeve for tightening the mounting rod.

[0012] Furthermore, the rectangular mounting frame is composed of two vertical rods perpendicular to the mounting rods and two horizontal rods respectively connected to the upper and lower ends of the two vertical rods, the vertical rod includes a vertical rod body, a vertical rod sleeve that allows the vertical rod body to move back and forth, and a third fixing component arranged between the vertical rod body and the vertical rod sleeve, the third fixing component includes a third fixing bolt that is movably arranged on one side of the vertical rod sleeve for tightening the vertical rod body.

[0013] Furthermore, it also includes an infusion tube fixing mechanism that can be movably arranged on the mounting rod for fixing the position of one or more infusion tubes, and the infusion tube fixing mechanism includes a fixing sleeve that is sleeved on the outside of the mounting rod, a fixing clamp extending outward from one side of the fixing sleeve, and a fourth fixing component arranged between the fixing sleeve and the mounting rod.

[0014] Furthermore, the fourth fixing assembly includes a fourth fixing bolt movably arranged on one side of the fixing sleeve for tightening the mounting rod, and the fixing clamp includes a fixing seat arranged on one side of the fixing sleeve and a plurality of elastic fixing clips arranged at intervals on the fixing seat, and the elastic fixing clips form a fixing groove for fixing the infusion tube.

[0015] From the above description of the utility model, it can be known that compared with the prior art, the beneficial effects of the utility model are as follows: the present application defines the specific structure of the headrest through the mutual cooperation between the base detachably arranged on the operating bed and the headrest arranged on the base, and the fixed airbag and the side support airbag are made of soft materials, which can reduce the pressure on the patient's head and avoid pressure sores; when in use, the medical staff first inflates the fixed airbag according to the size of the patient's head, and adjusts the lifting height of the patient's head by controlling the inflation amount of the fixed airbag, and then arranges the two side support airbags vertically with the fixed plate by rotating the fixing component, and fixes them on both sides of the patient's head, and then inflates the two side support airbags respectively, and controls the inflation amount of the two side support airbags to adjust the left and right swing angle of the patient's head and reduce the pressure of the two side support airbags on both sides of the patient's head, which is convenient for surgical operations and easy to adjust; after the operation, the two side support airbags are respectively unfolded and arranged on both sides of the fixed plate by the rotating fixing component arranged between the fixed plate and the side support airbags, so as to facilitate the movement of the patient;

[0016] Through the cooperation between the supporting side plate rotatably connected to the fixing plate, the first airbag arranged at the side of the supporting side plate opposite to the patient's head, and the two second airbags arranged opposite to the side of the first airbag, the patient's ears are opposite to the accommodating cavity, thereby avoiding oppression of the patient's ears and improving the patient's comfort;

[0017] Through the cooperation between the fixed plate, two movable seats relatively arranged on both sides of the fixed plate and movable toward or away from each other, and the first fixed assembly arranged between the movable seat and the fixed plate, the distance between the two movable seats is adjusted, and the two movable seats are driven to clamp the operating tables of different widths, so that the base is suitable for operating tables of different widths, thereby improving the practicality of the present application;

[0018] Through the cooperation between the mounting sleeve disposed on the fixing plate, the shielding cloth bracket movably disposed in the mounting sleeve, and the second fixing component disposed between the mounting sleeve and the shielding cloth bracket, the distance between the shielding cloth bracket and the base can be adjusted, so that the height of the shielding cloth bracket can be changed according to the size of the patient's head, thereby covering the patient's eyes, making it convenient for doctors to perform surgical operations;

[0019] By cooperating between a fixing sleeve sleeved on the outside of the mounting rod, a fixing clamp extending outward from one side of the fixing sleeve, and a fourth fixing component arranged between the fixing sleeve and the mounting rod, the height of the fixing clamp can be adjusted, and the fixing clamp can fix multiple infusion tubes so that the multiple infusion tubes are arranged neatly and are not easily entangled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the head fixing device.

[0021] Figure 2Schematic diagram of the exploded structure of the head fixing device.

[0022] Figure 3 It is a schematic diagram of the structure of the two side support airbags in the deployed state.

[0023] Figure 4 It is a schematic diagram of the structure of the rotating plate.

[0024] Figure 5 It is an enlarged schematic diagram of part of the structure of the head fixing device.

[0025] In the figure: 1-base, 11-fixed plate, 12-two movable seats, 13-first fixed assembly, 14-moving rod, 141-rod body, 142-hook portion, 15-connecting plate, 151-first connecting plate, 152-second connecting plate, 16-movable groove, 17-first fixing bolt, 2-headrest, 21-fixed airbag, 211-groove, 22-side support airbag, 221-support side plate, 222-first airbag, 223-second airbag, 224-accommodating chamber, 23-rotation fixed assembly, 24-rotation plate, 25-support rod, 26-arc limit Position slot, 3-eye shielding mechanism, 31-mounting sleeve, 32-shielding cloth bracket, 33-second fixing assembly, 34-mounting rod, 35-rectangular mounting frame, 36-shielding cloth body, 37-second fixing bolt, 38-vertical rod, 381-vertical rod body, 382-vertical rod sleeve, 383-third fixing assembly, 384-third fixing bolt, 39-cross bar, 4-infusion tube fixing mechanism, 41-fixing sleeve, 42-fixing clamp, 43-fourth fixing assembly, 44-fourth fixing bolt, 45-fixing seat, 46-elastic fixing clip, 47-fixing slot. DETAILED DESCRIPTION

[0026] The present invention is further described below through specific implementation methods.

[0027] like Figures 1 to 5 As shown, this embodiment provides a head fixing device suitable for oral general anesthesia surgery, including a base 1, a headrest 2, an eye shielding mechanism 3 and an infusion tube fixing mechanism 4.

[0028] The base 1 is detachably mounted on the operating bed and comprises a fixed plate 11, two movable seats 12 relatively mounted on both sides of the fixed plate 11 and movable toward or away from each other, and a first fixed assembly 13 disposed between the movable seats 12 and the fixed plate 11; through the cooperation between the fixed plate 11, the two movable seats 12 and the first fixed assembly 13, the distance between the two movable seats 12 is adjusted, and the two movable seats 12 are driven to clamp operating beds of different widths, so that the base 1 is suitable for operating beds of different widths, thereby improving the practicality of the present application; specifically, the movable seat 11 comprises two parallel movable rods 14 and a connecting plate 15 connected between the two movable rods 14, and the fixed plate 11 is provided with two movable grooves 16 for the two movable rods 14 to move back and forth; the first fixed assembly 13 includes a first fixing bolt 17 movably arranged at one side of the moving groove 16 for tightening the moving rod 14; further, the moving rod 14 includes a rod body 141 and a hook portion 142 bent downward from one end of the rod body 141, the hook portion 142 can contact the side of the operating table, and the connecting plate 15 includes a first connecting plate 151 arranged between the two hook portions 142 and a second connecting plate 152 arranged between the two rod bodies 141 for limiting the movement of the two moving rods 14, and the second connecting plate 152 can contact the side of the fixed plate 11; when the base 1 is fixed on the operating table, the hook portion 142 is at the side of the operating table; when the second connecting plate 152 contacts the side of the fixed plate 11, the moving seat body 11 cannot continue to move in the direction of the other moving seat body 11.

[0029] The headrest 2 is arranged on the base 1, and includes a fixed airbag 21 arranged on the top surface of the fixed plate 11 for supporting the patient's head, side support airbags 22 rotatably arranged on both sides of the fixed plate 11 for fixing both sides of the patient's head, and a rotating fixed component 23 arranged between the fixed plate 11 and the side support airbags 22. The fixed airbag 21 and the side support airbags 22 can be inflated separately; the fixed airbag 21 and the side support airbag 22 are made of soft materials, which can reduce the pressure on the patient's head and avoid pressure sores; specifically, when in use, the medical staff first inflates the fixed airbag 21 according to the size of the patient's head, and controls the inflation of the fixed airbag 21 The air volume is adjusted to adjust the elevation height of the patient's head, and then the side support airbags 22 are arranged vertically with the fixing plate 11 by rotating the fixing component 23, and fixedly arranged on both sides of the patient's head, and then the side support airbags 22 are inflated respectively. By controlling the inflation volume of the side support airbags 22, the angle of the patient's head swinging left and right is adjusted, and the pressure of the side support airbags 22 on both sides of the patient's head is reduced, which is convenient for surgical operation and easy to adjust; further, the fixing airbag 21 includes a groove 211 that is recessed inward from its top surface to match the shape of the patient's head, and the side support airbag 22 includes a support rotatably connected to the fixing plate 11 The side plate 221, the first airbag 222 arranged on the side of the supporting side plate 221 opposite to the patient's head and the two second airbags 223 arranged on the side of the first airbag 222, the first airbag 221 is provided with a receiving cavity 224 opposite to the patient's ears; during the operation, the patient lies on the operating table with the patient's head resting in the groove 211, the two side supporting airbags 22 are located on both sides of the patient's head, and the patient's head is fixed between the two side supporting airbags 22 by inflating the first airbag 221 and the second airbag 222. At this time, the patient's ears are opposite to the receiving cavity 224, so as to avoid oppression on the patient's ears and improve the patient's comfort; further, the rotation The fixing assembly 23 includes two rotating plates 24 rotatably arranged on both sides of the bottom of the supporting side plate 221, a support rod 25 arranged at the bottom of the rotating plate 24, and an arc-shaped limiting groove 26 arranged on the fixed plate 11 opposite to the rotating plate 24 for limiting the rotation of the support rod 25. When the support rod 25 is embedded in the arc-shaped limiting groove 26, the rotating plate 24 and the fixed plate 11 are arranged vertically, and the side support airbags 22 do not rotate relative to the fixed plate; after the operation is completed, the medical staff removes the support rod 25 from the arc-shaped limiting groove 26, and when the rotating plate 24 is arranged parallel to the fixed plate 11, the two side support airbags 22 are respectively unfolded and arranged on both sides of the fixed plate 11 to facilitate the movement of the patient.

[0030] The eye shielding mechanism 3 is used to protect the patient's eyes. It is arranged on the base 1 and can be opposite to the fixed airbag 21, including a mounting sleeve 31 arranged on the fixed plate 11, a shielding cloth bracket 32 ​​movably arranged in the mounting sleeve 31, and a second fixing component 33 arranged between the mounting sleeve 31 and the shielding cloth bracket 32; through the cooperation between the mounting sleeve 31, the shielding cloth bracket 32 ​​and the second fixing component 33, the distance between the shielding cloth bracket 32 ​​and the base 1 can be adjusted, so that the height of the shielding cloth bracket 32 ​​can be changed according to the size of the patient's head; specifically, the shielding cloth bracket 32 ​​includes a mounting rod 34 movably arranged in the mounting sleeve 31, a rectangular mounting frame 35 formed at the top of the mounting rod 34 and arranged vertically with the mounting rod 34, and a shielding cloth body 36 arranged in the rectangular mounting frame 35, and the second fixing component 33 includes a second fixing bolt 37 movably arranged on one side of the mounting sleeve 31 for pressing against the mounting rod 34; when in use, the medical staff rotates the mounting rod 34 to adjust the position of the rectangular mounting frame 35 so that the medical staff can adjust the position of the rectangular mounting frame 35 to adjust the position of the rectangular mounting frame 35. The rectangular mounting frame 35 is opposite to the patient's eyes, and then the mounting rod 34 is moved to adjust the height of the rectangular mounting frame 35 so that the height of the rectangular mounting frame 35 adapts to the position of the patient's eyes, thereby covering the patient's eyes; after the operation, the rectangular mounting frame 35 can be moved to the other side to facilitate the medical staff to perform the next operation; further, the rectangular mounting frame 35 is composed of two vertical rods 38 perpendicular to the mounting rod 34 and two horizontal rods 39 respectively connected to the upper and lower ends of the two vertical rods 38, and the vertical rod 38 includes a vertical rod body 38 1. A vertical rod sleeve 382 for allowing the vertical rod body 381 to move back and forth and a third fixing component 383 arranged between the vertical rod body 381 and the vertical rod sleeve 382, ​​the third fixing component 383 includes a third fixing bolt 384 movably arranged on one side of the vertical rod sleeve 382 for tightening the vertical rod body 381; through the cooperation between the vertical rod body 381, the vertical rod sleeve 382 and the third fixing component 383, the width of the rectangular installation frame 35 can be changed, thereby adjusting the shielding area of ​​the shielding cloth body 37.

[0031] The infusion tube fixing mechanism 4 is used to fix the position of one or more infusion tubes, and can be movably arranged on the mounting rod 34, including a fixing sleeve 41 sleeved on the outside of the mounting rod 34, a fixing clamp 42 extending outward from one side of the fixing sleeve 41, and a fourth fixing component 43 arranged between the fixing sleeve 41 and the mounting rod 34; through the cooperation between the fixing sleeve 41, the fixing clamp 42 and the fourth fixing component 43, the height of the fixing clamp 42 can be adjusted, and the fixing clamp 42 can fix multiple infusion tubes so that the multiple infusion tubes are arranged neatly and are not easy to be entangled; specifically, the fourth fixing component 43 includes a fourth fixing bolt 44 movably arranged on one side of the fixing sleeve 41 for tightening the mounting rod 34, the fixing clamp 42 includes a fixing seat 45 arranged on one side of the fixing sleeve 41 and a plurality of elastic fixing clips 46 arranged on the fixing seat 45 at intervals, and the elastic fixing clip 46 is formed with a fixing groove 47 for fixing the infusion tube.

[0032] In summary, with the help of the above technical solution of the utility model, by means of the mutual cooperation between the base 1 detachably arranged on the operating table and the headrest 2 arranged on the base 1, and by defining the specific structure of the headrest 2, the fixed airbag 21 and the side support airbag 22 are made of soft material, the pressure on the patient's head can be reduced to avoid pressure sores; in addition, by controlling the inflation amount of the fixed airbag 21, the lifting height of the patient's head can be adjusted; in addition, by controlling the inflation amount of the side support airbags 22, the angle of the patient's head swinging left and right can be adjusted, and the side support airbags 22 can also reduce the pressure on the patient's head. The compression on both sides of the patient's head is convenient for surgical operations and easy to adjust; in addition, by means of the rotating fixing assembly 23 arranged between the fixing plate 11 and the side support airbags 22, the side support airbags 22 can be respectively unfolded and arranged on both sides of the base after the operation, so as to facilitate the movement of the patient; in addition, by means of the cooperation between the supporting side plate 221 rotatably connected to the fixing plate 11, the first airbag 222 arranged on the side of the supporting side plate 221 opposite to the patient's head, and the two second airbags 223 arranged on the side of the first airbag 222, the patient's ears are relatively close to the accommodating cavity 224. , avoiding oppression of the patient's ears and improving the patient's comfort; in addition, through the cooperation between the fixed plate 11, the two movable seats 12 relatively arranged on both sides of the fixed plate 11 and movable toward or away from each other, and the first fixed component 13 arranged between the movable seat 12 and the fixed plate 11, the distance between the two movable seats 12 is adjusted, and the two movable seats 12 are driven to clamp the operating tables of different widths, so that the base 1 is suitable for operating tables of different widths, thereby improving the practicality of the present application; in addition, through the installation sleeve 31 arranged on the fixed plate 11 and the shielding cloth movably arranged in the installation sleeve 31 The cooperation between the bracket 32 ​​and the second fixing component 33 arranged between the mounting sleeve 31 and the shielding cloth bracket 32 ​​enables the shielding cloth bracket 32 ​​to cover the patient's eyes, making it convenient for doctors to perform surgical operations; in addition, through the cooperation between the fixing sleeve 41 sleeved on the outside of the mounting rod 34, the fixing clamp 42 extending outward from one side of the fixing sleeve 41, and the fourth fixing component 43 arranged between the fixing sleeve 41 and the mounting rod 34, the height of the fixing clamp 42 can be adjusted, and the fixing clamp 42 can fix multiple infusion tubes so that the multiple infusion tubes are arranged neatly and are not easy to be entangled.

[0033] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of application of the present invention and the contents of the specification should still fall within the scope covered by the present invention.

Claims

1. A head fixation device suitable for oral general anesthesia surgery, characterized in that: It comprises a base and a headrest; the base is detachably arranged on an operating table, comprising a fixed plate, two movable seats relatively arranged on both sides of the fixed plate and movable toward or away from each other, and a first fixed component arranged between the movable seat and the fixed plate; the headrest is arranged on the base and is used to fix the patient's head, comprising a fixed airbag arranged on the top surface of the fixed plate for supporting the patient's head, two side support airbags rotatably arranged on both sides of the fixed plate for fixing both sides of the patient's head, and a rotating fixed component arranged between the fixed plate and the side support airbags, and the fixed airbags and the side support airbags can be inflated separately.

2. A head fixation device suitable for oral general anesthesia surgery according to claim 1, characterized in that: The fixed airbag includes a groove which is recessed inward from its top surface and can adapt to the shape of the patient's head. The side support airbag includes a support side plate rotatably connected to the fixed plate, a first airbag arranged on the side of the support side plate opposite to the patient's head, and two second airbags arranged opposite to the side of the first airbag. The first airbag is provided with a accommodating cavity opposite to the patient's ear.

3. A head fixation device suitable for oral general anesthesia surgery according to claim 2, characterized in that: The rotating and fixing assembly includes two rotating plates rotatably arranged on both sides of the bottom of the supporting side plate, a support rod arranged at the bottom of the rotating plate, and an arc-shaped limiting groove arranged on a fixed plate opposite to the rotating plate for limiting the rotation of the support rod. When the support rod is embedded in the arc-shaped limiting groove, the rotating plate is arranged vertically to the fixed plate, and the side support airbag does not rotate relative to the fixed plate.

4. A head fixation device suitable for oral general anesthesia surgery according to claim 1, characterized in that: The movable seat body includes two parallel movable rods and a connecting plate connected between the two movable rods. The movable rod includes a rod body and a hook portion bent downward from one end of the rod body. The hook portion can contact the side of the operating bed. The connecting plate includes a first connecting plate arranged between the two hook portions and a second connecting plate arranged between the two rod bodies for limiting the movement of the two movable rods. The second connecting plate can contact the side of the fixed plate.

5. A head fixation device suitable for oral general anesthesia surgery according to claim 4, characterized in that: The fixing plate is provided with two moving grooves for allowing the two moving rods to move back and forth, and the first fixing assembly includes a first fixing bolt which is movably arranged at one side of the moving groove and is used to tighten the moving rod.

6. A head fixation device suitable for oral general anesthesia surgery according to claim 1, characterized in that: It also includes an eye shielding mechanism arranged on the base and capable of being opposite to the fixed airbag for protecting the patient's eyes. The eye shielding mechanism includes a mounting sleeve arranged on the fixed plate, a shielding cloth bracket movably arranged in the mounting sleeve, and a second fixing component arranged between the mounting sleeve and the shielding cloth bracket.

7. A head fixation device suitable for oral general anesthesia surgery according to claim 6, characterized in that: The shade cloth bracket includes a mounting rod movably arranged in a mounting sleeve, a rectangular mounting frame formed on the top of the mounting rod and arranged perpendicular to the mounting rod, and a shade cloth body arranged in the rectangular mounting frame. The second fixing component includes a second fixing bolt movably arranged on one side of the mounting sleeve for tightening the mounting rod.

8. A head fixation device suitable for oral general anesthesia surgery according to claim 7, characterized in that: The rectangular mounting frame is composed of two vertical rods perpendicular to the mounting rods and two horizontal rods respectively connected to the upper and lower ends of the two vertical rods. The vertical rod includes a vertical rod body, a vertical rod sleeve for allowing the vertical rod body to move back and forth, and a third fixing component arranged between the vertical rod body and the vertical rod sleeve. The third fixing component includes a third fixing bolt movably arranged on one side of the vertical rod sleeve for tightening the vertical rod body.

9. A head fixation device suitable for oral general anesthesia surgery according to claim 7, characterized in that: It also includes an infusion tube fixing mechanism that can be movably arranged on the mounting rod for fixing the position of one or more infusion tubes, and the infusion tube fixing mechanism includes a fixing sleeve that is sleeved on the outside of the mounting rod, a fixing clamp extending outward from one side of the fixing sleeve, and a fourth fixing component arranged between the fixing sleeve and the mounting rod.

10. A head fixation device suitable for oral general anesthesia surgery according to claim 9, characterized in that: The fourth fixing assembly includes a fourth fixing bolt movably arranged on one side of the fixing sleeve for tightening the mounting rod, and the fixing clamp includes a fixing seat arranged on one side of the fixing sleeve and a plurality of elastic fixing clips arranged on the fixing seat at intervals, and the elastic fixing clips form a fixing groove for fixing the infusion tube.

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