Integrated support and pressure mouth opening module and wire-controlled mouth opening trainer

Abstract

The present invention relates to an integrated support and pressure mouth opening module and a wire-controlled mouth opening trainer, the integrated support and pressure mouth opening module comprising a capsule assembly, a lower plate, an upper plate and a spring, wherein the capsule assembly comprises a capsule body, a bite bar and a hard surrounding frame, the capsule body being a hollow, closed container that is deformable under force and provided with a spring receiving hole and a connecting column at one end; the connecting column being provided around the spring receiving hole; the bite bar being connected to the upper and lower surfaces of the other end of the capsule body; the hard surrounding frame being fixedly connected to the middle of the capsule body; the upper plate being connected to the connecting column on the upper side of the capsule body; the lower plate being connected to the connecting column on the lower side of the capsule body; and the spring being connected between the spring receiving hole, the upper plate and the lower plate. The present invention realizes the tubeless transmission of extrusion power, which can improve the problems of weak support force, laborious operation and low efficiency of the interdental airbag during mouth opening training, and is safe to use, and the operating arm is movable.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular provides a support-and-compression integrated mouth-opening module and a wire-controlled mouth-opening trainer comprising the module. Background Art

[0002] Patients may experience varying degrees of mouth opening restriction after temporomandibular joint dysfunction, mandibular condyle fracture, simple intermaxillary ligation surgery, temporomandibular joint surgery, maxillofacial infection, or long-term radiotherapy of the head and neck. Their oral opening and closing cannot reach the state before radiotherapy. In order to restore the patient's oral opening function, the patient needs to use instruments for mouth opening training.

[0003] To solve the above problems, a large number of patent technologies and products have been disclosed. Among them, inflatable mouth opening training devices can better prevent the patient's tongue from being injured by the teeth or inlet instruments, and have better inlet adaptability. However, existing inflatable mouth opening training devices all include a solution in which the two ends of a ventilation soft tube are respectively connected to the inlet airbag part and the hand-pinch part. During use, since the working gas also needs to be compressed in the tube and the hand-pinch part, and the tube and the hand-pinch part are also made of elastomeric materials, the interdental support airbag at the inlet will eventually have weak support force during the mouth opening training process, feel soft and powerless, and be laborious to operate and inefficient. Summary of the Invention

[0004] The present invention aims to provide an integrated mouth opening module that can transmit extrusion power without a tube, thereby at least alleviating the problem of weak support force, laborious operation, and low efficiency of interdental airbags during mouth opening training.

[0005] Another object of the present invention is to provide a wire-controlled mouth opening trainer that is safe to use and has movable arm positions and includes an integrated support and pressure mouth opening module.

[0006] In order to achieve the above object, the present invention has the following technical solutions:

[0007] The present invention provides an integrated supporting and pressing opening module, comprising a bag assembly, a lower plate, an upper plate and a spring, wherein the bag assembly comprises a bag body, a bite strip and a hard surrounding frame, the bag body is a force-bearing and deformable hollow closed container with a spring accommodating hole and a connecting column at one end; the connecting column is arranged around the spring accommodating hole; the bite strip is connected to the upper and lower surfaces of the other end of the bag body; the hard surrounding frame is fixedly connected to the middle part of the bag body; the upper plate is connected to the connecting column on the upper side of the bag body through the connecting column connecting hole on the upper plate body; the lower plate is connected to the connecting column on the lower side of the bag body through the connecting column connecting hole on the lower plate body; the spring is connected between the spring accommodating hole, the upper plate and the lower plate.

[0008] Preferably, the bag body is further provided with a bag opening with a cover for filling gas or liquid and adjusting the fluid capacity in the bag body, and the bag opening with a cover is provided in the area between the spring accommodating hole and the connecting column.

[0009] The present invention also provides a wire-controlled mouth opening trainer, comprising a retractor, a transmission line and the above-mentioned integrated support and pressure mouth opening module, wherein the transmission line is connected between the retractor and the integrated support and pressure mouth opening module.

[0010] Preferably, the transmission line includes a wire tube and a core wire passing through the wire tube.

[0011] Preferably, the transmission line is a brake line or a shift line.

[0012] Preferably, the puller includes a limiting screw, a grip and a handle, wherein the grip is a rectangular frame with a wire pipe joint and a screw jack on one side; the wire pipe joint is connected to one end of the wire pipe, and the other end of the wire pipe is connected to the wire pipe joint on the lower plate body; the handle is slidably connected to the inside of the grip, and the handle is connected to one end of the core wire, and the other end of the core wire is connected to the core wire joint on the upper plate body; the limiting screw includes a screw and a nut connected to the screw, the screw passes through the screw jack on the grip, and one end of the screw is connected to the handle.

[0013] Preferably, the grip is further provided with a scale for checking the pulling amplitude.

[0014] Preferably, the number of the nuts is 2, and the 2 nuts are respectively located on the outer side and the inner side of the grip.

[0015] Due to the adoption of the above technical solution, the advantages of the present invention are:

[0016] 1. The capsule body of the present invention is deformable and can prevent the patient's tongue from entering between the teeth or being injured by the capsule body during mouth opening training, making it safe to use;

[0017] 2. When the present invention is used, the gas or liquid in the balloon body flows only within the balloon body, eliminating conduction loss and work loss in the catheter or when the balloon is pinched by hand. This can improve the problem of weak support force of the interdental balloon during mouth opening training, making it more labor-saving and efficient.

[0018] 3. The grip of the present invention is provided with a scale, which facilitates checking and comparing the improvement degree of the patient's mouth opening training. It can also be combined with a limit screw to realize dynamic training of the patient's mouth at a specific angle;

[0019] 4. The wire-controlled mouth opening training device provided by the present invention uses a transmission line to connect the retractor to the integrated support and pressure mouth opening module. The patient's arm operating the retractor can be moved during mouth opening training, providing a flexible and comfortable user experience.

[0020] 5. The capsule assembly provided by the present invention is provided with a hard surrounding frame to facilitate the placement of the bite bar on the one-piece supporting and pressing mouth opening module between the patient's teeth. After the patient's mouth opening training is completed, the one-piece supporting and pressing mouth opening module can be easily removed from the oral cavity through the hard surrounding frame to avoid pressing the upper plate, the lower plate and the capsule body so that the end of the bite bar on the capsule body may swell and become difficult to remove. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A schematic front view of a supporting and pressing integrated opening module provided in an embodiment of the present invention;

[0023] Figure 2 for Figure 1 Schematic top view of

[0024] Figure 3 A schematic front view of a capsule assembly provided in an embodiment of the present invention;

[0025] Figure 4 A schematic top view of a rigid enclosure provided by an embodiment of the present invention;

[0026] Figure 5 for Figure 1 A bottom-up schematic diagram of the upper middle plate;

[0027] Figure 6 for Figure 1 Bottom view of the middle and lower plates;

[0028] Figure 7 A schematic diagram of the state of the wire-controlled mouth opening training device provided by an embodiment of the present invention before use;

[0029] Figure 8 A schematic diagram of the state of the wire-controlled mouth opening training device provided by an embodiment of the present invention after the handle is pulled;

[0030] Figure 9 for Figure 7 Schematic diagram of the left side view of the retractor in.

[0031] In the figure: 10. One-piece support and pressure opening module; 11. Bag assembly; 111. Bag body; 1111. Connecting column; 1112. Spring receiving hole; 1113. Bag opening with cover; 112. Engaging strip; 113. Hard frame; 12. Spring; 13. Lower plate; 131. Lower plate body; 14. Upper plate; 141. Upper plate body; 142. Core wire connector; 143. Bag opening with cover socket; 20. Transmission line; 21. Core wire; 30. Puller; 31. Handle; 32. Grip; 321. Scale; 322. Screw socket; 33. Limit screw; 331. Screw; 332. Nut; 40. Connecting column connection hole; 50. Wire pipe connector. DETAILED DESCRIPTION

[0032] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", "left", "right", "front", "back", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the product of the invention is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present invention.

[0033] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0034] The specific implementation method is now described as follows:

[0035] Example of the integrated support and pressure opening module:

[0036] The present invention provides an embodiment of a support-press integrated opening module (10), see Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6, comprising a bag assembly (11), a lower plate (13), an upper plate (14) and a spring (12), wherein the bag assembly (11) comprises a bag body (111), a bite strip (112) and a hard surrounding frame (113), the bag body (111) being a hollow closed container that can be deformed by force and is provided with a bag opening with a cover (1113), a spring receiving hole (1112) and a connecting column (1111) on the right side; the connecting column (1111) is provided around the spring receiving hole (1112), the bag opening with a cover (1113) is provided in the area between the spring receiving hole (1112) and the connecting column (1111); the bite strip (112) is connected to the upper and lower surfaces of the left part of the bag body (111); the hard frame (113) is fixedly connected to the middle part of the bag body (111); the upper plate (14) is connected to the upper connecting column (1111) of the bag body (111) through the connecting column connecting hole (40) on the upper plate body (141); the lower plate (13) is connected to the lower connecting column (1111) of the bag body (111) through the connecting column connecting hole (40) on the lower plate body (131); the spring (12) is connected between the spring accommodating hole (1112), the upper plate (14) and the lower plate (13).

[0037] Example of wire-controlled mouth opening trainer:

[0038] The wire-controlled mouth opening training device provided by the embodiment of the present invention is shown in FIG. Figure 7 、 Figure 8 、 Figure 9 , comprising a retractor (30), a transmission line (20) and the above-mentioned support-pressing integrated opening module (10), wherein the transmission line (20) comprises a wire tube and a core wire (21) passing through the wire tube; the transmission line (20) is connected between the retractor (30) and the support-pressing integrated opening module (10).

[0039] The retractor (30) provided in the embodiment of the present invention is shown in FIG. Figure 2 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9, comprising a limiting screw (33), a grip (32) and a handle (31), wherein the grip (32) is a rectangular frame provided with a scale (321), a wire pipe joint (50) and a screw plug hole (322), the wire pipe joint (50) and the screw plug hole (322) are arranged on the same surface of the grip, and the scale (321) is arranged on an edge perpendicular to the surface where the screw plug hole (322) is located; the wire pipe joint (50) is connected to one end of the wire pipe, and the other end of the wire pipe is connected to the wire pipe joint on the lower plate body (131). The handle (31) is connected to the head (50) in a sliding manner inside the grip (32), and the handle (31) is connected to one end of the core wire (21), and the other end of the core wire (21) is connected to the core wire connector (142) on the upper plate body (141); the limiting screw (33) includes a screw (331) and a nut (332), the screw (331) passes through the screw jack (322) on the grip (32), and one end of the screw (331) is connected to the handle (31).

[0040] Working principle of the present invention:

[0041] When the patient needs to perform mouth opening training, he / she holds the part of the hard frame (113) close to the transmission line (20) with one hand, and puts one end of the supporting and pressing integrated mouth opening module (10) provided with the bite strip (112) into the patient's mouth, so that the patient's upper and lower teeth are located in the groove of the bite strip (112); then the patient or others can hold the retractor (30) with one hand, and pull the handle (31) on the retractor (30) away from the transmission line (20), at this time, the handle (31) will pull the core wire (21) of the transmission line (20), and the core wire (21) will then pull the upper plate (14) on the right side of the capsule assembly (11) to the lower plate (13), and in the process of the upper plate (14) moving to the lower plate (13), the capsule located between the upper plate (14) and the lower plate (13) The space of the main body (111) is squeezed, so that the air or liquid or other fluid in the right space of the capsule body (111) is squeezed into the left space of the capsule body (111), so that the left part of the capsule body (111) provided with the bite strip (112) expands and opens the patient's mouth; when the handle (31) is released, the upper plate (14) and the lower plate (13) move away from each other under the action of the spring (12), and then the upper plate (14) and the lower plate (13) stretch the right space of the capsule body (111), and the fluid in the left space of the capsule body (111) is sucked into the right space, so that the left space of the capsule body (111) is reduced, and the bite strips (112) on the upper and lower sides of the left side of the capsule body (111) are close, and at this time the one-piece mouth opening module (10) can be easily removed from the patient's mouth.

[0042] The principle of the present invention to keep the mouth open continuously:

[0043] When it is necessary to keep the patient's mouth open for a certain period of time, when the handle (31) has been pulled to the required position, the nut (332) on the limit screw (33) located on the inner side of the grip (32) is screwed to the grip (32). When the handle is released, the limit screw (33) prevents the handle (31) from resetting, so that the handle (31) continues to maintain the original tension state on the core wire (21), so that the bag body (111) remains continuously open to the mouth.

[0044] The method for setting the oral opening amplitude of the present invention:

[0045] When dynamic mouth opening training is required within a specific range of oral opening according to the patient's condition, the method for setting the range of oral opening is as follows: first, screw the nut (332) on the inner side of the grip (32) toward the end of the handle (31); then adjust the nut (332) on the outer side of the grip (32) until the maximum moving distance of the handle (31) within the grip (32) meets the set requirements, so that the length of the core wire (21) changes by a certain amount each time it is pulled, that is, the right part of the bag body (111) can be compressed by a specific deformation amount, so that the mouth opening range can be controlled within the set range.

[0046] The above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Those skilled in the art will appreciate that other variations or modifications based on the above description are possible. It is not possible to enumerate all embodiments here. Any obvious variations or modifications arising from the technical solutions of the present invention remain within the scope of protection of the present invention.

Claims

1. A support-press integrated opening module (10), characterized by: The invention comprises a bag assembly (11), a lower plate (13), an upper plate (14) and a spring (12), wherein the bag assembly (11) comprises a bag body (111), a bite strip (112) and a hard surrounding frame (113), the bag body (111) being a hollow closed container that is deformable under load and provided with a spring receiving hole (1112) and a connecting column (1111) at one end; the connecting column (1111) is provided around the spring receiving hole (1112); the bite strip (112) is connected to the upper and lower surfaces of the other end of the bag body (111); The hard frame (113) is fixedly connected to the middle of the sac body (111); the upper plate (14) is connected to the upper connecting column (1111) of the sac body (111) through the connecting column connection hole (40) on the upper plate body (141); the lower plate (13) is connected to the lower connecting column (1111) of the sac body (111) through the connecting column connection hole (40) on the lower plate body (131); the spring (12) is connected between the spring receiving hole (1112), the upper plate (14) and the lower plate (13).

2. The one-piece support and pressure opening module according to claim 1, characterized in that: The bag body (111) is further provided with a bag opening (1113) with a cover, and the bag opening (1113) with a cover is provided in the area between the spring accommodating hole (1112) and the connecting column (1111).

3. A wire-controlled mouth opening training device, characterized in that: It comprises a retractor (30), a transmission line (20), and a support-pressing integrated opening module (10) according to any one of claims 1 to 2, wherein the transmission line (20) is connected between the retractor (30) and the support-pressing integrated opening module (10).

4. The wire-controlled mouth opening training device according to claim 3, characterized in that: The transmission line (20) comprises a wire tube and a core wire (21) passing through the wire tube.

5. The wire-controlled mouth opening training device according to claim 4, characterized in that: The transmission line (20) is a brake line or a speed change line.

6. The wire-controlled mouth opening training device according to claim 4, characterized in that: The retractor (30) includes a limiting screw (33), a grip (32) and a handle (31), wherein the grip (32) is a rectangular frame with a wire pipe joint (50) and a screw jack (322) on one side; the wire pipe joint (50) is connected to one end of the wire pipe, and the other end of the wire pipe is connected to the wire pipe joint (50) on the lower plate body (131); the handle (31) is slidably connected to the inside of the grip (32), and the pull The hand (31) is connected to one end of the core wire (21), and the other end of the core wire (21) is connected to the core wire connector (142) on the upper plate body (141); the limiting screw (33) includes a screw (331) and a nut (332) connected to the screw (331), the screw (331) passes through the screw jack (322) on the grip (32), and one end of the screw (331) is connected to the handle (31).

7. The wire-controlled mouth opening training device according to claim 6, characterized in that: The grip frame (32) is also provided with a scale (321) for checking the pulling amplitude.

8. The wire-controlled mouth opening training device according to claim 6, characterized in that: The number of the nuts (332) is two, and the two nuts (332) are respectively located on the outside and inside of the grip (32).

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