A multifunctional oral support device and its usage method

By designing a multifunctional oral support device, the patient's oral condition can be monitored and adjusted in real time, solving the problem of oral damage during radiotherapy, protecting the temporomandibular joint, reducing radiation damage, relieving dry mouth symptoms, and improving recovery efficiency.

CN120242338BActive Publication Date: 2025-12-02CANCER CENT OF GUANGZHOU MEDICAL UNIV
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Patent Information

Application Number
CN202510402039.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2025-12-02
Estimated Expiration
2045-04-01

AI Technical Summary

Technical Problem

During radiotherapy for head and neck malignant tumors, oral soft tissues, teeth, and related organs are easily damaged by radiation, leading to radiation-induced oral mucositis, dry mouth, gingivitis, limited mouth opening, and other oral radiation toxicity reactions, which seriously affect the patient's quality of life and may even endanger their life.

Method used

A multifunctional oral support device was designed, including a maxillary support and a mandibular support, equipped with an airbag assembly, an angle sensor, a radiation protection assembly, and a nebulizer assembly. The device monitors and adjusts the oral cavity status in real time through a controller, assists patients in opening their mouths, and provides radiation protection and nebulizer therapy.

Benefits of technology

It effectively protects the temporomandibular joint, reduces radiation damage to non-target organs, relieves dry mouth symptoms, allows for real-time adjustment of recovery training programs, and improves the efficiency of oral function recovery for patients.

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Abstract

This invention belongs to the field of oral health protection and rehabilitation technology, and particularly relates to a multifunctional oral support device and its usage method. The device assists patients in opening their mouths during treatment. An angle sensor allows for real-time acquisition of the patient's mouth opening degree, preventing excessive mouth opening that could cause discomfort or injury, and protecting the temporomandibular joint. A radiation protection component shields some radiation, reducing damage to adjacent organs outside the radiotherapy target area. An atomization component finely atomizes artificial saliva or topical epidermal growth factor and sprays it into the patient's oral cavity and deep oropharynx, alleviating dry mouth and mucosal damage. During rehabilitation training, the first and second sensing components allow for real-time monitoring of the patient's oral condition, enabling timely adjustments to the rehabilitation method.
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Description

Technical Field

[0001] This invention belongs to the field of oral health care and rehabilitation technology, and particularly relates to a multifunctional oral support device and its usage method. Background Technology

[0002] During radiotherapy for head and neck malignancies, oral soft tissues, teeth, and related organs are easily damaged by radiation, leading to radiation-induced oral mucositis (occurring in over 90% of cases), dry mouth, gingivitis, limited mouth opening, and other oral radiation toxicities. These conditions severely impact patients' quality of life and can even be life-threatening. Furthermore, damage to the temporomandibular joint after head and neck radiotherapy can cause varying degrees of limited mouth opening or even trismus, further affecting patients' chewing, swallowing, and speech functions.

[0003] Therefore, a multifunctional oral support device and its usage method are proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a multifunctional oral support device and its method of use to solve the above-mentioned problems.

[0005] To achieve the above objectives, the present invention provides the following solution:

[0006] A multifunctional oral support device includes: a maxillary support located in the maxilla of the oral cavity, and a mandibular support located in the mandibular region of the oral cavity. The maxillary support and the mandibular support are hinged together. Two airbag assemblies are disposed between the maxillary support and the mandibular support, and both airbag assemblies are connected to an inflation device. A first sensing assembly is disposed between the maxillary support and / or the mandibular support and the upper / lower dentition. An angle sensor is disposed between the maxillary support and the mandibular support. A radiation protection assembly is disposed between the maxillary support and the mandibular support. The radiation protection assembly is located on both sides of the tongue and / or in the oral vestibule region. An atomizing assembly is detachably connected to the mandibular support.

[0007] The first sensing component, the inflation device, the atomizing component, and the angle sensor are all electrically connected to the controller;

[0008] The controller is electrically connected to a second sensing component, which is attached to the head and used to sense the movement of facial muscles during biting.

[0009] In the multifunctional oral support device of the present invention, the airbag assembly includes an airbag body, the top surface of which is fixedly connected to the maxillary support, and the bottom surface of which is fixedly connected to the mandibular support. Multiple sets of restrictive structures are fixedly connected within the airbag body, and the multiple sets of restrictive structures are arranged at equal intervals from top to bottom. Each restrictive structure includes multiple transverse ribs, the two ends of which are respectively fixedly connected to two opposite inner sidewalls within the airbag body. The multiple transverse ribs are arranged in a spaced-out sequence. The two ends of longitudinal ribs are respectively fixedly connected to two other opposite inner sidewalls within the airbag body. The multiple longitudinal ribs are arranged in a spaced-out sequence. The transverse ribs are perpendicular to and fixedly connected to the longitudinal ribs.

[0010] In the multifunctional oral support device of the present invention, the inflation device is connected to an inflation tube, and the end of the inflation tube away from the inflation device is connected to a first connector. The first connector is fixed to the capsule and communicates with the inner cavity of the capsule. A sealing gasket is provided between the first connector and the inflation tube.

[0011] The outer side of the inflation tube is rotatably connected to a second connector, which is threadedly connected to the first connector.

[0012] In the multifunctional oral support device of the present invention, a fixing block is fixedly connected inside the first connector, and a stepped hole is coaxially opened on the fixing block. The larger end of the stepped hole faces the capsule. A slider is slidably connected inside the larger end of the stepped hole. A plurality of air holes are opened circumferentially on the slider. The air holes are close to the outer edge of the slider. A sealing strip is fixedly connected circumferentially on one side of the stepped hole. The sealing strip is located inside the plurality of air holes and abuts against the stepped surface of the stepped hole.

[0013] A connecting rod is coaxially fixed to the slider. The diameter of the connecting rod is smaller than the inner diameter of the small end of the stepped hole. The connecting rod passes through the small end of the stepped hole and is fixed to a baffle. A spring is sleeved on the outside of the connecting rod. One end of the spring abuts against the fixed block, and the other end of the spring abuts against the baffle.

[0014] A triggering component is detachably connected between the inflation tube and the first connector, and the triggering component abuts against the baffle.

[0015] In the multifunctional oral support device of the present invention, the top surface of the maxillary support is provided with a first bracket adapted to the maxillary teeth, and the maxillary teeth are located in the first bracket.

[0016] The bottom surface of the mandibular support is provided with a second bracket that is adapted to the mandibular teeth, and the mandibular teeth are located in the second bracket.

[0017] In the multifunctional oral support device of the present invention, both the first bracket and the second bracket have a flexible layer bonded to them.

[0018] In the multifunctional oral support device of the present invention, the first sensing component includes a plurality of pressure sensors disposed at the bottom of the first bracket slot and the bottom of the second bracket slot, and the plurality of pressure sensors are disposed corresponding to the force points when the teeth bite.

[0019] In the multifunctional oral support device of the present invention, the radiation protection component includes a first insertion slot group and a second insertion slot group. The first insertion slot group includes four first insertion slots. Two of the first insertion slots are opened on the bottom surface of the maxillary support and located on both sides of the tongue, and the other two first insertion slots are opened on the top surface of the mandibular support and located on both sides of the tongue.

[0020] The second insertion slot group includes four second insertion slots. Two second insertion slots are fixed to opposite sides of the maxillary support and located in the oral vestibule region. The other two second insertion slots are fixed to opposite sides of the mandibular support and located in the oral vestibule region.

[0021] A shielding plate is inserted between the two corresponding first insertion slots and / or the two corresponding second insertion slots.

[0022] In the multifunctional oral support device of the present invention, the maxillary support and the mandibular support are made of porous material, and the maxillary support and the mandibular support are filled with phase change material. The phase change material carries a drug, and the phase change material undergoes a phase change under the action of oral temperature, releasing the drug it carries.

[0023] A method of using a multifunctional oral support device, based on the multifunctional oral support device, includes the following steps:

[0024] During treatment:

[0025] Connect the airbag assembly to the inflation device. At this time, the maxillary and mandibular supports are closed. Insert the maxillary and mandibular supports into the patient's oral cavity and engage with the teeth. Control the inflation device to inflate the airbag assembly with air until the patient's oral cavity is opened to the treatment angle. Remove the inflation device, install the radiation protection assembly and the nebulizer assembly, and start the treatment.

[0026] When resuming training:

[0027] When the airbag assembly is connected to the inflation device, the maxillary and mandibular supports are closed. The maxillary and mandibular supports are then inserted into the patient's oral cavity and engage with the teeth. The inflation device is controlled by the controller to inflate / deflate the airbag assembly, thereby opening and closing the patient's oral cavity. The second and first sensing components transmit the patient's training information to the controller.

[0028] Compared with the prior art, the present invention has the following advantages and technical effects:

[0029] The device of this invention can assist patients in opening their mouths during treatment. An angle sensor allows for real-time acquisition of the patient's mouth opening degree, preventing excessive mouth opening that could cause discomfort or injury, and protecting the temporomandibular joint. A radiation protection component is also included to shield some radiation, reducing radiation damage to adjacent organs outside the radiotherapy target area. An atomization component finely atomizes artificial saliva or topical epidermal growth factor and sprays it into the patient's oral cavity and deep oropharynx, alleviating dry mouth and mucosal damage. During rehabilitation training, the first and second sensing components allow for real-time monitoring of the patient's oral condition, enabling timely adjustments to the rehabilitation method. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly described below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is the front view of the present invention;

[0032] Figure 2 This is a right view of the present invention;

[0033] Figure 3 This is an unfolded diagram of the present invention;

[0034] Figure 4 This is a front view of the shielding plate in this invention;

[0035] Figure 5 This is a schematic diagram showing the connection between the airbag assembly and the inflation assembly in this invention;

[0036] Figure 6 for Figure 5 A magnified view of a section at point A in the middle;

[0037] Figure 7 This is a schematic diagram showing the location of the training sensing component in this invention;

[0038] The components include: 1. Maxillary support; 2. Mandibular support; 3. Hanging block; 4. Flexible layer; 5. Pressure sensor; 6. Atomizing component; 7. Angle sensor; 8. Airbag component; 9. First connector; 10. First insertion slot; 11. Shielding plate; 12. Stress sensor; 13. Inflation tube; 14. Inflation device; 15. Second connector; 16. Sealing gasket; 17. Second insertion slot; 801. Airbag body; 802. Horizontal rib; 803. Longitudinal rib; 901. Fixing block; 902. Step hole; 903. Connecting rod; 904. Spring; 905. Baffle; 906. Slider; 907. Sealing strip; 908. Air hole. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] Reference Figures 1 to 7 This invention discloses a multifunctional oral support device, comprising: a maxillary support 1 located in the maxilla of the oral cavity, and a mandibular support 2 located in the mandibular region of the oral cavity. The maxillary support 1 and the mandibular support 2 are hinged together. Two airbag assemblies 8 are provided between the maxillary support 1 and the mandibular support 2. Both airbag assemblies 8 are connected to an inflation device 14. A first sensing assembly is provided between the maxillary support 1 and / or the mandibular support 2 and the upper / lower dentition. An angle sensor 7 is provided between the maxillary support 1 and the mandibular support 2. A radiation protection assembly is provided between the maxillary support 1 and the mandibular support 2. The radiation protection assembly is located on both sides of the tongue and / or the oral vestibule region. An atomizing assembly 6 is detachably connected to the mandibular support 2.

[0042] Angle sensor 7 transmits the opening angle of maxillary support 1 and mandibular support 2 to the controller, so that the patient's oral cavity opening angle is consistent during each treatment, ensuring the treatment effect.

[0043] The first sensing component, the inflation device 14, the atomizing component 6, and the angle sensor 7 are all electrically connected to the controller;

[0044] The controller is electrically connected to a second sensing component, which is attached to the head to sense the movement of facial muscles during biting.

[0045] During the fabrication of the maxillary framework 1 and mandibular framework 2, a biomechanical model incorporating the movement trajectories of the opening and closing muscles was first established based on CBCT imaging data and dynamic oral scans (sampling rate 120Hz). The topology of the support structure was optimized through finite element analysis to ensure uniform stress distribution. Then, medical-grade DLP 3D printing technology was used to achieve the integral molding of the gradient modulus structure, resulting in the maxillary framework 1 and mandibular framework 2. The elastic modulus of the maxillary framework 1 and mandibular framework 2 is 3-5 GPa.

[0046] Stress sensor 12 is located in the temporal region, the preauricular region, and the bilateral masseter muscle region;

[0047] The second sensing component includes multiple stress sensors 12 and multiple integrated micro-pulse generators. The stress sensors 12 and the integrated micro-pulse generators are integrated together. The multiple stress sensors 12 are attached to both sides of the head to sense the movement of facial muscles when the teeth are biting.

[0048] An integrated micro-pulse generator with an adjustable output frequency of 1-100Hz is used to perform transcutaneous electrical nerve stimulation (TENS) on the temporomandibular joint area through a gold nanowire electrode array. Combined with EMG signal detection, an opening and closing feedback training system is established to assist in temporomandibular joint opening and closing training after radiotherapy, reduce and prevent bilateral temporomandibular joint radiation toxicity, and improve joint mobility.

[0049] A mounting block 3 is fixed to the lower jaw support 2 near the lips, and the atomizing component 6 is mounted on the mounting block 3.

[0050] The controller uses a mobile app.

[0051] The device of this invention can assist patients in opening their mouths during treatment. The angle sensor 7 can acquire the patient's mouth opening degree in real time, avoiding excessive mouth opening that could cause discomfort or injury, and protecting the temporomandibular joint. Simultaneously, a radiation protection component can shield some radiation, thereby reducing radiation damage to adjacent organs outside the radiotherapy target area. An atomizing component 6 is included to finely atomize artificial saliva or topical epidermal growth factor and spray it into the patient's oral cavity and deep oropharynx, relieving dry mouth and mucosal damage. During rehabilitation training, the first and second sensing components can monitor the patient's oral condition in real time, allowing for timely adjustments to the rehabilitation method.

[0052] In one feasible embodiment, the airbag assembly 8 includes a bag body 801, the top surface of which is fixedly connected to the maxillary support 1, and the bottom surface of which is fixedly connected to the mandibular support 2. Multiple sets of restrictive structures are fixedly connected inside the bag body 801. The multiple sets of restrictive structures are arranged at equal intervals from top to bottom. The restrictive structures include multiple transverse ribs 802. The two ends of the transverse ribs 802 are respectively fixedly connected to two opposite inner sidewalls inside the bag body 801. The multiple transverse ribs 802 are arranged in a spaced-out sequence. The two ends of the longitudinal ribs 803 are respectively fixedly connected to two other opposite inner sidewalls inside the bag body 801. The multiple longitudinal ribs 803 are arranged in a spaced-out sequence. The transverse ribs 802 are perpendicular to and fixedly connected to the longitudinal ribs 803.

[0053] The horizontal ribs 802 and the vertical ribs 803 can effectively prevent the bladder 801 from expanding in all directions, so that the expansion of the bladder 801 in the height direction can play a better supporting role.

[0054] The maximum opening angle of the capsule 801 is slightly smaller than the normal oral opening angle. In conjunction with the use of the angle sensor 7, the patient's oral opening degree is obtained in real time, which avoids excessive opening between the maxillary support 1 and the mandibular support 2, thus preventing patient discomfort / injury and protecting the temporomandibular joint.

[0055] In one feasible solution, the inflation device 14 is connected to an inflation tube 13, and the end of the inflation tube 13 away from the inflation device 14 is connected to a first connector 9. The first connector 9 is fixed to the bladder 801 and communicates with the inner cavity of the bladder 801. A sealing gasket 16 is provided between the first connector 9 and the inflation tube 13.

[0056] The outer side of the inflation tube 13 is rotatably connected to a second connector 15, which is threadedly connected to the first connector 9.

[0057] In one feasible solution, a fixing block 901 is fixedly connected inside the first connector 9. A stepped hole 902 is coaxially opened on the fixing block 901. The large end of the stepped hole 902 faces the bladder 801. A slider 906 is slidably connected inside the large end of the stepped hole 902. Several air holes 908 are opened circumferentially on the slider 906. The air holes 908 are close to the outer edge of the slider 906. A sealing strip 907 is fixedly connected circumferentially on one side of the stepped hole 902. The sealing strip 907 is located inside the multiple air holes 908 and abuts against the stepped surface of the stepped hole 902.

[0058] A connecting rod 903 is coaxially fixed to the slider 906. The diameter of the connecting rod 903 is smaller than the inner diameter of the small end of the stepped hole 902. The connecting rod 903 passes through the small end of the stepped hole 902 and is fixed to a baffle 905. A spring 904 is sleeved on the outside of the connecting rod 903. One end of the spring 904 abuts against the fixed block 901, and the other end of the spring 904 abuts against the baffle 905.

[0059] With this configuration, the slider 906 is in contact with the stepped surface of the stepped hole 902 under the action of the spring 904, preventing the gas in the bladder 801 from escaping through the stepped hole 902; when inflating, the gas squeezes the slider 906, causing the slider 906 to separate from the stepped surface of the stepped hole 902, and then enters the bladder 801 through the air hole 908.

[0060] A triggering component is detachably connected between the inflation tube 13 and the first connector 9, and the triggering component abuts against the baffle 905;

[0061] The trigger component abuts against the baffle 905, ensuring that the inflation tube 13 is always connected to the bladder body 801.

[0062] The trigger component is installed only between the air tube 13 and the first connector 9 during training; the specific structure of the trigger component can be selected, designed and manufactured by those skilled in the art according to their own needs.

[0063] In one feasible solution, the top surface of the maxillary support 1 is provided with a first bracket that is adapted to the maxillary teeth, and the maxillary teeth are located in the first bracket.

[0064] The bottom surface of the mandibular support 2 is provided with a second bracket that is adapted to the mandibular teeth, and the mandibular teeth are located in the second bracket.

[0065] In one feasible solution, a flexible layer 4 is bonded to both the first and second brackets.

[0066] The elastic modulus of flexible layer 4 is 0.5-1 MPa;

[0067] In one feasible solution, the first sensing component includes a plurality of pressure sensors 5 disposed at the bottom of the first bracket slot and the bottom of the second bracket slot, the plurality of pressure sensors 5 being disposed corresponding to the force points when the teeth bite.

[0068] The pressure sensor 5 acquires the pressure on the patient's teeth in real time. By measuring the changes in pressure and the opening angle of the angle sensor 7, the patient's oral cavity recovery / damage status can be determined. In one feasible solution, the radiation protection component includes a first insertion slot group and a second insertion slot group. The first insertion slot group includes four first insertion slots 10. Two first insertion slots 10 are opened on the bottom surface of the maxillary support 1 and located on both sides of the tongue. The other two first insertion slots 10 are opened on the top surface of the mandibular support 2 and located on both sides of the tongue.

[0069] The second insertion slot group includes four second insertion slots 17. Two second insertion slots 17 are fixed to the opposite sides of the maxillary support 1 and located in the oral vestibule area. The other two second insertion slots 17 are fixed to the opposite sides of the mandibular support 2 and located in the oral vestibule area.

[0070] A shielding plate 11 is inserted between the two corresponding first insertion slots 10 and / or the two corresponding second insertion slots 17.

[0071] The shielding plate 11 is made of one or more of the following materials: tungsten / boron carbide composite material, metallic lead, and barium sulfate.

[0072] In one feasible approach, the maxillary support 1 and the mandibular support 2 are made of porous material and filled with phase change material. The phase change material carries a drug and undergoes a phase change under the influence of oral temperature, releasing the drug it carries.

[0073] In one feasible approach, the phase change material includes a hydrogel, and the drug includes recombinant human epidermal growth factor (rhEGF) and chitosan composite sustained-release microspheres. The drug is dispersed and released to areas that are difficult for other drugs to reach, such as the soft palate, the sides of the pharyngeal arch, and the depth of the oropharynx, effectively avoiding gagging and nausea in patients with sensitive gag reflexes and improving drug efficacy.

[0074] Phase change materials can also be selected from temperature-sensitive polymer microcapsules (UCST micelles).

[0075] A method of using a multifunctional oral support device, based on the multifunctional oral support device, includes the following steps:

[0076] During treatment:

[0077] Connect the airbag assembly 8 to the inflation device 14. At this time, the maxillary support 1 and mandibular support 2 are closed. Insert the maxillary support 1 and mandibular support 2 into the patient's oral cavity and engage with the teeth. Control the inflation device 14 to inflate the airbag assembly 8 until the patient's oral cavity is opened to the treatment angle. Remove the inflation device 14, install the radiation protection assembly and the nebulizer assembly 6, and start the treatment.

[0078] When resuming training:

[0079] When the airbag assembly 8 is connected to the inflation device 14, the maxillary support 1 and mandibular support 2 are closed. The maxillary support 1 and mandibular support 2 are then inserted into the patient's oral cavity and engage with the teeth. The inflation device 14 is controlled by the controller to inflate / deflate the airbag assembly 8, thereby enabling the patient's oral cavity to open and close. The second sensing component and the first sensing component transmit the patient's training information to the controller.

[0080] Specific usage instructions:

[0081] During treatment, one end of the inflation tube 13 is first connected to the inflation device 14, and the second connector 15 at the other end of the inflation tube 13 is threaded onto the first connector 9. At the same time, the connection between the inflation tube 13 and the first connector 9 is squeezed to tighten the sealing gasket 16 and achieve a seal. The closed maxillary support 1 and mandibular support 2 are then inserted into the patient's oral cavity. The patient's maxillary teeth are located in the first bracket, and the patient's mandibular teeth are located in the second bracket. Both the first and second brackets are bonded with a flexible layer 4 to avoid hard contact between the maxillary support 1 and mandibular support 2 and the patient's oral cavity, which could cause discomfort to the patient.

[0082] The controller controls the operation of the inflation device 14, and inflates the bladder 801 through the inflation tube 13. The bladder 801 extends to open the maxillary support 1 and the mandibular support 2. The angle sensor 7 monitors the opening angle of the maxillary support 1 and the mandibular support 2 in real time. The pressure sensor 5 determines the force state of the patient's oral cavity when the maxillary support 1 and the mandibular support 2 are open, so as to avoid the patient's oral cavity discomfort / injury due to the excessive opening angle of the maxillary support 1 and the mandibular support 2.

[0083] After the maxillary support 1 and mandibular support 2 are opened to the treatment angle, the air tube 13 is disconnected from the first connector 9. Depending on the treatment site, the shielding plate 11 is selectively inserted into the first insertion slot 10 and / or the second insertion slot 17 at the treatment position. The atomizing component 6 is then attached to the attachment block 3, and treatment can begin. At the same time, the phase change material located inside the maxillary support 1 and mandibular support 2 slowly melts under the action of oral temperature, slowly releasing the drug into the patient's oral cavity.

[0084] During recovery, one end of the inflation tube 13 is connected to the inflation device 14, and the second connector 15 at the other end of the inflation tube 13 is threaded onto the first connector 9. At the same time, a trigger component is placed between the first connector 9 and the inflation tube 13, and the trigger component abuts against the baffle 905, so that the first connector 9 and the inflation tube 13 are always connected. Multiple stress sensors 12 are respectively attached to preset positions on the patient's head. The stress sensors 12 and pressure sensors 5 monitor the state of the muscles around the mouth and the force state inside the mouth in real time during the patient's oral recovery, and transmit the data to the controller. The recovery method is adjusted by the data recorded by the controller to improve the speed of the patient's oral recovery.

[0085] This invention belongs to the field of oral health protection technology and rehabilitation, and particularly relates to a multifunctional oral support device for use in the radiotherapy and post-radiotherapy stages of head and neck tumor patients, as well as its clinical application method. The device of this invention adopts a modular design and has the following advantages:

[0086] 1. When patients with temporomandibular joint dysfunction undergo radiation toxicity treatment and temporomandibular joint rehabilitation training, the angle sensor can assist the patient in opening their mouth in real time and is equipped with a protection module to prevent damage to the temporomandibular joint due to the mouth opening being greater than the physiological range of motion.

[0087] 2. Install radiation protection components related to head and neck radiotherapy. These components can shield part of the radiation from radiotherapy and reduce the radiotoxicity of radiation to normal organs outside the radiation target area.

[0088] 3. Atomizing component is installed. This component can atomize artificial saliva and topical epidermal growth factor or topical epidermal growth factor and spray it into the patient's oral cavity and deep oropharynx, fully covering the mucosa of all areas of the oral cavity to the posterior pharyngeal wall area, relieving the patient's symptoms of dry mouth and radiation-induced oral mucosal erosion.

[0089] 4. During rehabilitation training, the first and second sensing components can be used to acquire the patient's temporomandibular joint and oral cavity status in real time. This allows for timely adjustments to the treatment and rehabilitation plan, providing a quantitative basis for rehabilitation training of patients with temporomandibular joint dysfunction. In the description of this invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0090] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A multifunctional oral support device, characterized in that, include: A maxillary support (1) is located in the maxilla of the oral cavity, and a mandibular support (2) is located in the mandibular region of the oral cavity. The maxillary support (1) and the mandibular support (2) are hinged together. Two airbag assemblies (8) are provided between the maxillary support (1) and the mandibular support (2). Both airbag assemblies (8) are connected to an inflation device (14). A first sensing assembly is provided between the maxillary support (1) and / or the mandibular support (2) and the upper / lower dentition. An angle sensor (7) is provided between the maxillary support (1) and the mandibular support (2). A radiation protection assembly is provided between the maxillary support (1) and the mandibular support (2). The radiation protection assembly is located on both sides of the tongue and / or the oral vestibule area. An atomizing assembly (6) is detachably connected to the mandibular support (2). The first sensing component, the inflation device (14), the atomizing component (6), and the angle sensor (7) are all electrically connected to the controller; The controller is electrically connected to a second sensing component, which is attached to the head and used to sense the movement of facial muscles during biting. The maxillary support (1) and the mandibular support (2) are made of porous material. The maxillary support (1) and the mandibular support (2) are filled with phase change material. The phase change material carries a drug. The phase change material undergoes a phase change under the action of oral temperature and releases the drug it carries.

2. The multifunctional oral support device according to claim 1, characterized in that: The airbag assembly (8) includes a bag body (801), the top surface of which is fixed to the maxillary support (1), and the bottom surface of which is fixed to the mandibular support (2). Multiple sets of restrictive structures are fixed inside the bag body (801). The multiple sets of restrictive structures are arranged at equal intervals from top to bottom. The restrictive structure includes multiple transverse ribs (802). The two ends of the transverse ribs (802) are respectively fixed to two opposite inner sidewalls inside the bag body (801). The multiple transverse ribs (802) are arranged in a spaced sequence. The two ends of longitudinal ribs (803) are respectively fixed to two other opposite inner sidewalls inside the bag body (801). The multiple longitudinal ribs (803) are arranged in a spaced sequence. The transverse ribs (802) are perpendicular to and fixed to the longitudinal ribs (803).

3. A multifunctional oral support device according to claim 2, characterized in that: The inflation device (14) is connected to an inflation tube (13). The end of the inflation tube (13) away from the inflation device (14) is connected to a first connector (9). The first connector (9) is fixed to the bladder (801) and communicates with the inner cavity of the bladder (801). A sealing gasket (16) is provided between the first connector (9) and the inflation tube (13). The outer side of the inflation tube (13) is rotatably connected to a second connector (15), which is threadedly connected to the first connector (9).

4. A multifunctional oral support device according to claim 3, characterized in that: A fixing block (901) is fixedly connected inside the first connector (9). A stepped hole (902) is coaxially opened on the fixing block (901). The large end of the stepped hole (902) faces the bladder (801). A slider (906) is slidably connected inside the large end of the stepped hole (902). A plurality of air holes (908) are opened circumferentially on the slider (906). The air holes (908) are close to the outer edge of the slider (906). A sealing strip (907) is fixedly connected circumferentially on one side of the stepped hole (902). The sealing strip (907) is located inside the plurality of air holes (908). The sealing strip (907) abuts against the stepped surface of the stepped hole (902). A connecting rod (903) is coaxially fixed to the slider (906). The diameter of the connecting rod (903) is smaller than the inner diameter of the small end of the stepped hole (902). The connecting rod (903) passes through the small end of the stepped hole (902) and is fixed to a baffle (905). A spring (904) is sleeved on the outside of the connecting rod (903). One end of the spring (904) abuts against the fixed block (901), and the other end of the spring (904) abuts against the baffle (905). A triggering component is detachably connected between the inflation tube (13) and the first connector (9), and the triggering component abuts against the baffle (905).

5. A multifunctional oral support device according to claim 1, characterized in that: The top surface of the maxillary support (1) is provided with a first bracket that is adapted to the maxillary teeth, and the maxillary teeth are located in the first bracket. The bottom surface of the mandibular support (2) is provided with a second bracket that is adapted to the mandibular teeth, and the mandibular teeth are located in the second bracket.

6. A multifunctional oral support device according to claim 5, characterized in that: Both the first and second brackets have a flexible layer (4) bonded inside.

7. A multifunctional oral support device according to claim 5, characterized in that: The first sensing component includes multiple pressure sensors (5) disposed at the bottom of the first bracket slot and the bottom of the second bracket slot, and the multiple pressure sensors (5) are disposed corresponding to the force points when the teeth bite.

8. A multifunctional oral support device according to claim 1, characterized in that: The radiation protection assembly includes a first insertion slot group and a second insertion slot group. The first insertion slot group includes four first insertion slots (10). Two of the first insertion slots (10) are opened on the bottom surface of the maxillary support (1) and located on both sides of the tongue. The other two first insertion slots (10) are opened on the top surface of the mandibular support (2) and located on both sides of the tongue. The second insertion slot group includes four second insertion slots (17), two of which are fixed to the opposite sides of the maxillary support (1) and located in the oral vestibule area, and the other two of which are fixed to the opposite sides of the mandibular support (2) and located in the oral vestibule area. A shielding plate (11) is inserted between the two first insertion slots (10) and / or the two second insertion slots (17) that are corresponding to each other.

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