CN115281991A - Lower jaw supporting and fixing device - Google Patents

Abstract

The invention relates to a mandible lifting and fixing device which comprises a frame body matched with the face of a human body, wherein a pair of cheekbone positioning points are arranged on the frame body, and the distance between the pair of cheekbone positioning points is matched with the distance between cheekbones on two sides of the human body; the frame body is also provided with a head positioning point which is used for pressing the head of a human body and forming three-point positioning with the pair of cheekbone positioning points; the two sides of the frame body are also provided with a pair of connecting pieces, and the connecting pieces are provided with a lower jaw support assembly for dragging the lower jaw of a human body. The invention adopts reasonable structural design, utilizes the frame body and the positioning points arranged on the frame body, adopts a three-point positioning mode, is matched with the lower jaw support assembly to realize the lower jaw support operation, can adapt to the operation requirements of various body positions, and can still maintain the support of the lower jaw when the head of a patient moves.

Description

A mandibular support fixation device

technical field

The invention relates to the technical field of medical devices, in particular to a mandibular lifting and fixing device.

Background technique

At present, for the airway management in general anesthesia induction period, recovery period, conscious sedation and non-tracheal intubation general anesthesia in children, it is necessary to use the jaw support method to effectively maintain the airway patency. As shown in Figure 1 , the manual jaw support method is often used at present, that is, the thumbs of both hands are used to support the face, and then the middle finger and/or ring finger are used to buckle the jaw and lift it up. However, this method is easy to cause operator fatigue, which affects other operations of anesthesiologists.

In order to solve the problem of the current manual mandibular support method, a mandibular support device has been developed in the prior art to replace the mandible operation of mandibular support. For example, the publication number is CN211187572U, and the invention name is a Chinese utility model patent for a jaw support bracket, which discloses a currently commonly used jaw support device, which is basically similar in structure to existing clinically used jaw support devices. Existing jaw support devices include a base plate, connecting plates arranged on both sides of the base plate, jaw hooks fixedly installed on the connecting plate, and headbands fixedly installed on the base plate. When in use, the patient's head rests on the bottom plate, and the mandibular hooks on the bilateral connecting plates just hook the patient's bilateral mandibles. Relying on the gravity of the head, the mandibular hooks support the patient's mandibles. When in use, the head can also be fixed by the headband. The specific usage method can refer to the record of the above-mentioned utility model patent. In order to facilitate fixing, some of the existing mandibular lifting devices are also provided with fixed components fixed between the base plate and the operating bed; and some of the mandibular lifting devices are provided with headrests in order to allow patients to use comfortably.

The existing mandibular lifting device can only be used in the supine position, and it is necessary to ensure that the patient's head is fixed during use. However, during the operation, the head of the anesthetized patient is not always in a fixed state. If the patient turns his head or turns his head unconsciously, the mandibular hook will come out and the device will fail. And in the non-supine position operation, the existing mandibular lifting device cannot be used, and manual operation by the anesthesiologist is still required.

Contents of the invention

Aiming at at least one technical problem in the prior art, the present invention provides a mandibular lifting and fixing device, which adopts a reasonable structural design, utilizes the frame body and the positioning points arranged on the frame body, and adopts a three-point positioning method, The mandible can be lifted up by cooperating with the mandibular rest assembly, which can adapt to the operation needs of various postures, and can still keep the mandible lifted when the patient's head moves.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a mandible lifting and fixing device, including a frame body adapted to the face of a human body, a pair of zygomatic anchor points are arranged on the frame body, and the pair of zygomatic anchor points The spacing and angle of the human body are suitable for the spacing and angle of the cheekbones on both sides of the human body; the head positioning point is also set on the frame body, which is used to press on the human head, and forms three points with a pair of cheekbone positioning points Positioning: a pair of connectors are arranged on both sides of the frame body, and a jaw support assembly is installed on the connectors to support the lower jaw of the human body.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Optionally, the head positioning point is set at the forehead of the human body where the support body is located, and is used to press on the forehead of the human body.

Further optionally, the head positioning point adopts an arc shape to match the shape of the forehead of a human body.

Further optionally, the head positioning point is provided with a cushion on one side of the forehead of the human body.

Further optionally, the cushion is made of silica gel.

Optionally, the pair of zygomatic positioning points are connected to the frame body through a connection assembly, and the connection assembly adopts a telescopic structure for adjusting the angle and distance with the zygoma floating.

Further optionally, the zygomatic anchoring point adopts an arc shape to match the shape of the zygomatic bone of a human body.

Further optionally, the zygomatic anchoring point is provided with a cushion on one side of the zygomatic bone of the human body.

Further optionally, the cushion is made of silica gel.

Optionally, the connecting piece is in the shape of a strip.

Optionally, the connecting piece adopts a length-adjustable structure.

Further optionally, the connecting piece is connected to the frame body through a connecting seat, the connecting seat is installed on the frame body, and the connecting piece is passed through the connecting seat.

Further optionally, a rack is provided on the connecting piece, and a pawl adapted to the rack is installed on the connecting seat for cooperating with the rack to lock the connecting piece.

Further optionally, the connecting piece adopts a structure with an adjustable angle to the frame body.

Further optionally, the frame body is installed with a ratchet, the connecting seat is rotatably connected with the frame body, and the connecting seat is equipped with a claw compatible with the ratchet wheel, which is used to cooperate with the ratchet wheel and lock the connecting seat .

Further optionally, the connecting piece is made of elastic metal.

Optionally, the chin rest component is in the shape of a hook.

Further optionally, arc-shaped protrusions are provided on the contact surface between the chin rest assembly and the chin.

Further optionally, a cushion is provided on the top surface of the arc-shaped protrusion.

Further optionally, the cushion is made of silica gel.

Optionally, a headband for fixing the human head is installed on the frame.

Further optionally, the headband adopts an inflatable structure.

Further optionally, an air bag is provided inside the headband, and the chin lift fixing device further includes an inflatable component, the inflatable component is connected and communicated with the air bag in the headband through an inflatable tube, and the inflatable component adopts Air pump or manual balloon.

Further optionally, after the airbag of the headband is inflated, the distance between the side away from the head and the head is greater than the distance between the head of the chin rest assembly and the side away from the head.

Further optionally, the inflatable component adopts an air pump, and the mandible lifting fixation device further includes a human-computer interaction component, and the inflatable component is electrically connected to the human-computer interaction component.

Further optionally, the human-computer interaction component includes a display screen, a processing unit, and a power supply unit, and the display screen and power supply unit are electrically connected to the processing unit.

Further optionally, the chin lift fixing device further includes a pressure sensor installed on the headband, the pressure sensor is electrically connected to the processing unit, and the processing unit controls the inflation of the inflatable component according to the pressure detection data of the pressure sensor.

Optionally, the frame adopts a width and/or length adjustable structure.

The present invention has at least the following beneficial effects:

1. The present invention adopts a special structural design, by setting three positioning points on the frame body for positioning and fixing, and relying on bilateral zygomatic positioning, it is convenient for medical staff to operate, effectively ensures accurate positioning, and can effectively ensure that the mandibular support assembly is accurately aligned. patient's jaw.

2. The present invention fixes the mandibular rest assembly through the frame body located on one side of the patient's face, uses three positioning points of the frame body to fix the frame body, and uses the connector to pull the mandible rest assembly, completely canceling the existing mandibular rest device. Relying on the design concept of the gravity of the human head, the device and the patient's head are fixed and stable, and it is not easy for the mandibular rest assembly to come out due to the patient's head turning or twisting the head. At the same time, it can adapt to the needs of many surgical positions except the supine position.

3. The present invention completely simulates the operating characteristics of the manual mandibular support method of medical personnel. The mandibular support is more scientific, closer to the scientific operation of medicine, and more conducive to effectively keeping the patient's airway unobstructed.

4. The present invention has simple structure and low cost, and can effectively reduce the burden of medical expenses of patients.

Description of drawings

Fig. 1 is the schematic diagram of the current medical staff supporting the lower jaw;

Fig. 2 is a schematic structural view of an embodiment of the present invention;

Fig. 3 is a schematic structural view of another embodiment of the present invention;

Fig. 4 is the structural representation of the third embodiment of the present invention;

In the picture:

1. Frame body, 2. Head positioning point, 3. Zygomatic positioning point, 4. Connector, 5. Jaw rest component, 6. Headband, 7. Inflatable tube, 8. Inflatable component, 9. Telescopic component.

Detailed ways

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

As shown in Figure 2, a mandible lifting fixation device designed by the present invention includes a frame body 1 adapted to the face of a human body. The spacing and angle of the positioning points 3 are adapted to the spacing and angle of the cheekbones on both sides of the human body. The zygomatic positioning is adopted, which is convenient for medical staff to perform fast and accurate positioning during operation.

The frame body 1 is also provided with a head positioning point 2 for pressing on the head of a human body, and forms a three-point positioning with a pair of zygomatic positioning points 3 . The head positioning point 2 and the pair of cheekbone positioning points 3 are not on the same straight line, forming a three-point positioning can stably form support and fixation.

A pair of connectors 4 are provided on both sides of the frame body 1, and a jaw rest assembly 5 is mounted on the connectors 4 for supporting the lower jaw of a human body. The chin rest assembly 5 of the present invention can adopt a structure design similar to that of the chin rest assembly used to support the lower jaw in existing chin rest devices.

Before the present invention, the existing mandibular lifting devices all adopt the mode of fixing the bottom, and the patient's head rests on the base plate, relying on gravity, so that the mandibular hook supports the patient's mandible. Such a structural design is not only inconvenient to operate, difficult to locate, and poor in positioning accuracy; moreover, it can only adapt to the supine position, and needs to keep the patient's head fixed, which has many defects.

The inventor designed the present invention through groping and continuous design improvement, completely abandoning the design concept of the existing mandibular rest device, and instead designing a fixed component on the side of the patient's face. By designing multiple positioning points, multi-point positioning is formed. In addition, the zygomatic bone is used as the core of positioning, which greatly reduces the difficulty of positioning for medical staff, and the positioning is accurate; at the same time, the present invention uses the connecting piece 4 to hold the mandibular rest assembly 5, and supports the patient's mandible through pulling force. Relying on the gravity of the patient's head, it can adapt to different positions, and when the patient's head moves, it can also ensure that the device can effectively support the mandible.

The following are examples of the present invention.

Example 1

The frame body 1 of the mandible lifting and fixing device of this embodiment adopts a "U"-shaped structure, and a pair of zygomatic anchor points 3 are installed on both sides through the connecting assembly. The connecting assembly adopts a telescopic structure, so that the distance between the pair of zygomatic anchor points 3 can be adjusted. Tune, the angle floats with the cheekbones. The zygomatic anchoring point 3 adopts the shape of a circular plate or an oval plate. The frame body 1 of this embodiment can be made of metal materials such as stainless steel or aluminum alloy, which has high strength and is not easy to bend. In addition to a pair of zygomatic anchor points 3, the present embodiment also has a head anchor point 2, and the head anchor point 2 can be provided with one or more, such as being arranged at the bridge of the nose, or at the forehead, or Set on the upper orbital brow bone, etc. When it is set at the forehead, one can be set at the front forehead, and a pair can be arranged symmetrically on both sides of the front forehead, or only one can be set at the front forehead. When set on the brow bone, a pair can be set. As long as it can be ensured that the head positioning point 2 can form multi-point positioning and fixing with a pair of zygomatic positioning points 3 . The head positioning point in this embodiment can be in the shape of a circular plate or an elliptical plate, and can also be spherical or hemispherical.

The connecting piece 4 of this embodiment is in the shape of a long strip or a rod, and the chin rest assembly 5 is fixedly installed at the end of the connecting piece 4. The structure of the chin rest assembly 5 of this embodiment can adopt any corresponding assembly of the chin rest in the prior art. Structure. The connector 4 in this embodiment is made of elastic metal.

When using this embodiment, the pair of connectors 4 are turned to both sides, and then the frame body 1 is placed on the patient's face, and each positioning point is accurately aligned with the corresponding position on the patient's face. Then the medical personnel hold up the patient's jaw, loosen the connecting piece 4, and after the jaw support assembly 5 clamps the patient's jaw, the fixing operation of the device is completed. Relying on the multiple positioning points of the head, under the action of the elasticity of the human face and the pulling force of the connecting piece 4, the frame body 1 is stably fixed on the patient's head, and the chin rest assembly 5 also supports the patient's chin precisely and stably. jaw.

Example 2

The main structure of this embodiment is basically similar to that of Embodiment 1. The difference lies in the structure of the connecting piece 4, and the connecting piece 4 in this embodiment adopts a length-adjustable structure.

Specifically, the connecting piece 4 in this embodiment may adopt a structure of a telescopic rod or a telescopic plate, and may also adopt a structural design of a tooth plate and a tooth card.

When operating this embodiment, the connecting piece 4 can be extended first, and after the frame body 1 is positioned and placed on the face of the human body, the connecting piece 4 is operated to shorten it until the mandibular rest assembly 5 supports the patient’s jaw, and then the connecting piece is locked 4. The fixing operation of the instrument is completed. The operation is more convenient than that of Embodiment 1, and no medical personnel need to manually lift the mandible for assistance.

Example 3

As shown in FIG. 4 , the main structure of this embodiment is basically similar to that of Embodiment 2. The difference is that a headband 6 is provided on the frame body 1 .

During the operation of this embodiment, after the frame body 1 is positioned and placed on the face of the human body, the frame body 1 and the patient's head are first fixed with the headband 6, and then the connector 4 is adjusted to complete the operation of the mandibular rest assembly 5 supporting the mandible. After using the headband 6, the fixation is firmer, and the fixation between the device and the patient is more stable.

The frame body 1 of this embodiment can also be improved, and the frame body 1 is designed as a structure with adjustable width and/or length, for example, telescopic rods are added to the lateral part and the longitudinal part of the frame body 1 to realize width and/or length adjustment. Adjustable length. This can adapt to patients with different head shapes. Patients with longer head shapes can elongate the frame body 1, and patients with wider head shapes can stretch the frame body 1 wider.

Specifically, as shown in Figure 4, the frame body 1 of this embodiment is provided with a telescopic assembly 9 at the head positioning point 2. Two half structures, the two halves are fixed by nuts and telescopic components 9 respectively.

In this embodiment, various sizes and models can be designed to meet the needs of different patients.

In this embodiment, for patients with wider heads, it is also possible to improve the pair of zygomatic anchor points 3 by changing the pair of zygomatic anchor points 3 to be connected to the frame body 1 through a connecting component, and the connecting component adopts telescopic Just the structure. In this way, the connecting components can be adjusted, thereby adjusting the distance between a pair of zygomatic positioning points 3, so as to adapt to the needs of patients with different head widths.

As shown in FIG. 4 , specifically in this embodiment, the zygomatic anchoring point 3 can be connected to the connection assembly through a screw, so that the height of the zygomatic anchoring point 3 can be adjusted by rotating the screw.

Example 4

The main structure of this embodiment is basically similar to that of Embodiment 3. The difference is that the headband 6 is improved in this embodiment.

In this embodiment, the headband 6 is designed as an inflatable structure, and an inflatable air bag is arranged inside or outside the headband 6 , drawn out through the inflation tube 7 , and then installed and connected with the inflatable component 8 . The inflation assembly 8 of this embodiment can adopt the most common manual inflation mechanisms such as balloons and air cylinders, and can also adopt electric inflation mechanisms such as air pumps.

The operation of this embodiment is similar to that of Embodiment 3. After the headband 6 is fixed, the inflatable component 8 can be used to inflate the headband 6, and the fixing is more stable.

Specifically, after the airbag of the headband 6 is inflated, the distance between the side away from the human head and the human head can be set to be greater than the distance between the side of the chin rest assembly 5 away from the human head and the human head. Pitch. Like this, support can be provided, and when the human body is in the side lying position, the airbag can prop up the head, avoiding the contact between the operating bed or the operating pillow and the mandibular rest assembly 5, causing the mandibular rest assembly 5 to dislocate.

Example 5

This embodiment can adopt a structure similar to that of the main body of Embodiment 4. The difference between this embodiment and the foregoing embodiments lies in the design of the anchor point structure.

The positioning point of this embodiment adopts a single head positioning point 2 aligned with the forehead, and a pair of cheekbone positioning points 3, using a three-point positioning method.

In this embodiment, the head anchor point 2 adopts a bionic curved surface design that matches the shape of the human forehead, and the pair of cheekbones anchor points 3 adopts a bionic curved surface design that matches the human cheekbones.

In order to ensure the comfort of the patient, avoid postoperative discomfort caused by long-term extrusion or indentation on the patient's face. In this embodiment, the head positioning point 2 and the pair of cheekbone positioning points 3 are all provided with cushions on the side that is in contact with the human body.

The cushion can be made of soft medical silica gel, rubber, sponge and other materials. In order to avoid sliding and consider the cost factor, it is preferable to use silicone material.

Example 6

This embodiment can adopt a structure similar to the main structure of Embodiments 1-5. The difference between this embodiment and the above embodiments lies in the design of the chin rest assembly 5 .

The chin rest assembly 5 of this embodiment adopts the shape of a hook, which is similar to the shape of the chin hook in the prior art. The chin rest assembly 5 of this embodiment can adopt a flat plate shape to ensure an increased contact surface. The inventors found that after increasing the contact surface, the chin rest assembly 5 is more difficult to slip off, and the fixation is more stable.

In order to ensure the comfort of the patient, avoid postoperative discomfort caused by long-term extrusion or indentation on the patient's face. The chin rest assembly 5 of this embodiment can also be improved as follows, the contact surface between the chin rest assembly 5 and the mandible is provided with an arc-shaped protrusion. The shape of the arc-shaped protrusion is preferably a bionic arc similar to the finger pulp of a human body. A cushion can also be arranged on the upper surface of the arc-shaped protrusion to increase comfort.

Similarly, the material of the cushion is preferably made of silicone.

Example 7

This embodiment adopts a main body structure similar to that of Embodiment 5, the difference lies in the connection structure between the connecting piece 4 and the frame body 1 .

In this embodiment, a connecting seat is designed, the connecting piece 4 is connected with the frame body 1 through the connecting seat, the connecting seat is installed on the frame body 1, and the connecting piece 4 is passed through the connecting seat.

The connecting piece 4 in this embodiment adopts an adjustable angle structure with the frame body 1 .

Specifically, the frame body 1 is installed with a ratchet wheel, the connecting seat is rotatably connected with the frame body 1, and the connecting seat is equipped with a claw that is compatible with the ratchet wheel, and is used to cooperate with the ratchet wheel and lock the connecting seat . With such a structural design, when the claw is moved, the connecting seat loses locking, and it can rotate on the frame body 1, thereby driving the connecting member 4 to rotate. When it is rotated to a desired angle, when it needs to be locked, it is only necessary to release the claw, and the claw will be embedded in the ratchet, and the connecting seat and the frame body 1 are locked.

When using this embodiment, firstly move the claws to rotate the connectors 4 to both sides, and then loosen the claws so that a pair of connectors 4 form a larger angle. Then, the frame body 1 is placed on the face of the patient, and accurately positioned by three-point positioning. Then, the frame body 1 and the patient's head are fixed with the headband 6, and the headband 6 is inflated to ensure firmness of fixing. Finally, move the claws again, turn a pair of connectors 4, and release the claws when the chin rest assembly 5 is correctly aligned with the mandible, and lock the angle of the connectors 4. Afterwards, adjust the length of the connectors 4 to make the chin rest Assembly 5 lifts the patient's jaw, which completes the operation of the device.

Example 8

This embodiment can adopt a main structure similar to that of Embodiment 7, the difference is that an electronic equipment part is added.

In this embodiment, a human-computer interaction component is added, and an existing chip can be used, a liquid crystal display screen can be installed, and a wired power supply or lithium battery power supply can be configured.

The inflatable component 8 of this embodiment adopts an electric air pump, and the air pump is electrically connected with the human-computer interaction unit. The human-computer interaction unit can adopt the existing Android system or other operating systems to design a program for regularly replenishing qi. In this way, when in use, the air pump can replenish air to the headband 6 at regular intervals according to the programming, so as to ensure that the headband 6 can stably fix the frame body 1 and the patient's head.

The human-computer interaction component of this embodiment can be installed on the frame body 1, preferably installed on the side of the head positioning point 2 on the forehead away from the human body.

Using this embodiment, sensors such as temperature sensors, pressure sensors, and blood oxygen saturation can also be installed on the headband 6 and electrically connected to the human-computer interaction components. In this way, the patient's body temperature and other physiological signs can be monitored in real time during the operation, which is convenient for doctors to understand the patient's physiological signs in real time.

Example 9

The structure of this embodiment is basically similar to that of Embodiment 8, the difference is that the inflatable part is improved.

In this embodiment, a pressure sensor is added, and the pressure sensor is installed on the headband 6, which can be installed in the headband 6 or on the side of the headband 6 close to the human body. The pressure sensor is also electrically connected with the human-computer interaction component.

Such a design can precisely control the gas replenishment by setting a real-time monitoring gas replenishment program on the human-computer interaction component to avoid oppressive discomfort or indentation on the patient's head.

When this embodiment is used, the air pump can be controlled to replenish or deflate air according to the pressure data fed back by the pressure sensor. Ensure that the headband 6 fixes the patient's head with a relatively comfortable constant pressure, which can not only ensure the stability of the fixation, but also avoid causing discomfort or indentation to the patient, which greatly improves the safety of the device.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (28)

1. A mandibular lifting fixation device, characterized in that it comprises a frame body (1) adapted to the face of a human body, a pair of zygomatic anchor points (3) are arranged on the frame body (1), and the pair of The distance and angle of the zygomatic anchor points (3) are compatible with the distance and angle of the zygomatic bones on both sides of the human body; the frame (1) is also provided with a head anchor point (2) for pressing on the and form a three-point positioning with a pair of zygomatic positioning points (3); a pair of connecting pieces (4) are also arranged on both sides of the frame (1), and a mandibular joint (4) is installed on the connecting piece (4). The support assembly (5) is used to support the lower jaw of the human body. 2. A mandible lifting and fixing device according to claim 1, characterized in that: the head positioning point (2) is set at the forehead where the frame body (1) is located on the face of the human body, and is used to press on the forehead of the human body superior. 3. The mandible lifting and fixing device according to claim 2, characterized in that: the head positioning point (2) adopts an arc shape to match the shape of the forehead of a human body. 4. The mandible lifting and fixing device according to claim 3, characterized in that: the head positioning point (2) is located on one side of the forehead of the human body and is provided with a cushion. 5 . The mandible lifting and fixing device according to claim 4 , wherein the cushion is made of silica gel. 6 . 6. A mandibular lifting fixation device according to claim 1, characterized in that: the pair of zygomatic anchor points (3) are connected to the frame body (1) through a connection assembly, and the connection assembly adopts a telescopic structure , to adjust the angle and spacing as the cheekbones float. 7 . The mandible lifting and fixing device according to claim 6 , characterized in that: the zygomatic anchor point ( 3 ) adopts an arc shape to match the shape of the zygomatic bone of a human body. 8 . 8. The mandible lifting and fixing device according to claim 7, characterized in that: the zygomatic positioning point (3) is located on one side of the zygomatic bone of a human body and is provided with a cushion. 9. The mandible lifting and fixing device according to claim 8, wherein the cushion is made of silica gel. 10. The mandible lifting and fixing device according to claim 1, characterized in that: the connecting piece (4) is in the shape of a long strip. 11. The mandible lifting and fixing device according to claim 1, characterized in that: the connecting piece (4) adopts a length-adjustable structure. 12. A mandibular lifting and fixing device according to claim 11, characterized in that: the connecting piece (4) is connected to the frame body (1) through a connecting seat, and the connecting seat is installed on the frame body (1) , the connecting piece (4) is passed through the connecting seat. 13. A mandible lifting and fixing device according to claim 12, characterized in that: a rack is provided on the connecting piece (4), and a pawl matching the rack is installed on the connecting seat , used to cooperate with the rack and lock the connecting piece. 14. The mandible lifting and fixing device according to claim 11, characterized in that: the connecting piece (4) adopts an adjustable angle structure with the frame body (1). 15. A mandibular lifting and fixing device according to claim 14, characterized in that: a ratchet wheel is mounted on the frame body (1), the connecting seat is rotatably connected with the frame body (1), and the connection A claw matching the ratchet is installed on the seat for cooperating with the ratchet and locking the connecting seat. 16. The mandible lifting and fixing device according to claim 10, characterized in that: the connecting piece (4) is made of elastic metal. 17. A mandibular support fixing device according to claim 1, characterized in that: the mandible support component (5) adopts a hook shape. 18. A mandibular support fixing device according to claim 17, characterized in that: the contact surface between the mandible support component (5) and the mandible is provided with an arc-shaped protrusion. 19. The mandible lifting and fixing device according to claim 18, characterized in that: the top surface of the arc-shaped protrusion is provided with a cushion. 20. The mandible lifting and fixing device according to claim 19, wherein the cushion is made of silica gel. 21. A mandibular lifting and fixing device according to claim 1, characterized in that a headband (6) for fixing the head of a human body is installed on the frame body (1). 22. The mandible lifting and fixing device according to claim 21, characterized in that: the headband (6) adopts an inflatable structure. 23. A mandible lifting and fixing device according to claim 22, characterized in that an air bag is provided inside the headband (6), and the mandible lifting and fixing device also includes an inflatable component (8), the The inflatable component (8) is connected and communicated with the air bag in the headband (6) through the inflatable tube (7), and the inflatable component (8) adopts an air pump or a manual balloon. 24. A mandible lifting and fixing device according to claim 23, characterized in that: after the air bag of the headband (6) is inflated, the distance between the side away from the human head and the human head is greater than The distance between the side of the chin rest assembly (5) away from the human head and the human head. 25. A mandible lifting and fixing device according to claim 24, characterized in that: the inflatable component (8) adopts an air pump, and the mandibular lifting and fixing device also includes a human-computer interaction component, and the inflatable component ( 8) Electrically connect with the human-computer interaction components. 26. A mandible lifting and fixing device according to claim 25, characterized in that: the human-computer interaction component includes a display screen, a processing unit, and a power supply unit, and the display screen and power supply unit are electrically connected to the processing unit . 27. A mandible lifting and fixing device according to claim 26, characterized in that: the mandible lifting and fixing device further comprises a pressure sensor installed on the headband (6), and the pressure sensor is electrically connected to the processing unit The processing unit controls the inflatable component (8) to inflate according to the pressure detection data of the pressure sensor. 28. The mandible lifting and fixing device according to claim 1, characterized in that: the frame body (1) adopts a width and/or length adjustable structure.

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