Buccal device for head and neck radiotherapy
By designing a head and neck radiotherapy oral-containing device with rotatable tilt tongue pressing plate and large vent holes, the problem of inability to effectively fix the tongue and adapt to patients with restricted mouth opening is solved in the prior art, and higher radiotherapy accuracy and patient comfort are achieved.
Patent Information
- Application Number
- CN202420772558.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The existing head and neck radiotherapy oral stools cannot effectively fix the tongue, resulting in the inability to reduce the oral irradiation area and the inability to reduce oral side reactions. At the same time, the ventilator holes are narrow, complex in structure, large in size, and poor in adaptability, which cannot meet the needs of many postoperative patients with limited mouth opening.
A head and neck radiotherapy oral-containing device is designed, and its tongue pressing plate can be rotated to an inclined angle and fixed, which increases breathing flux through large ventilation holes, reduces saliva secretion and swallowing movements, and fixes the occlusal position between the teeth and the oral-containing body through tooth fixing glue to ensure that the position of each radiotherapy is consistent.
Effectively fix the tongue to one side of the oral cavity, reduce oral irradiation area, reduce oral side reactions, improve radiotherapy accuracy and accuracy, and improve patient's breathing smoothness and occlusal stability.
Smart Images
Figure CN222900026U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an oral holding device for head and neck radiotherapy, belonging to the technical field of auxiliary medical devices. Background Art
[0002] When radiotherapy for head and neck tumors involves oral radiotherapy, an oral holder is usually placed in the patient's mouth to keep the patient's mouth open all the time; when it comes to oral radiotherapy, the biggest side effect of the patient is oral mucosal reaction. In severe cases, the patient cannot even complete the radiotherapy. Keeping a certain distance between the patient's tongue surface and the upper palate can reduce the radiation dose received by the upper palate and greatly reduce the patient's side effects; especially in diseases such as tongue cancer, gingival cancer and buccal mucosa cancer, not only is it necessary to separate the upper palate from the tongue surface by a certain distance, but it is also best to fix the tongue on one side of the oral cavity. In the radiotherapy of gingival cancer and buccal mucosa cancer, the gingiva and buccal mucosa areas are mainly irradiated. Pushing the tongue to the healthy side is beneficial to protecting the tongue from high-dose irradiation; in the radiotherapy of tongue cancer, the stump of the tongue after surgery is mainly irradiated. Fixing the tongue on one side of the oral cavity is beneficial to protecting the contralateral cheek from high-dose irradiation and reducing the patient's oral side effects. At present, for head and neck tumor positioning, a thermoplastic mold needs to be customized for the patient for body position fixation, but the oral holder usually cannot be customized. The tongue depressor of the existing oral holder is generally fixed and can only separate the upper palate from the tongue surface. In the radiotherapy of diseases such as tongue cancer, buccal mucosa cancer and gingival cancer, the tongue cannot be fixed on one side of the oral cavity, and the effect of reducing the oral irradiation area and reducing the oral side effects cannot be achieved. This clinical pain point has not been effectively solved; the ventilation holes of the traditional oral holder are narrow, the structure is complex, and the volume is large. It cannot be put into the oral cavity for many postoperative patients with limited mouth opening. The foreign body sensation is strong, and a large amount of saliva is easily generated, increasing the position error caused by swallowing during radiotherapy. Content of the Utility Model
[0003] In order to overcome the deficiencies of the prior art, the utility model provides an oral holding device for head and neck radiotherapy. The tongue depressor of the device can rotate to an inclined angle and be fixed, so as to press the patient's tongue on one side of the oral cavity, improve the radiotherapy accuracy and reduce the damage of normal tissues; the ultra-large ventilation holes can effectively increase the safety space, protect the patient's upper palate, and at the same time increase the ventilation volume of oral breathing, effectively evaporate saliva, reduce swallowing actions, and improve the accuracy of radiotherapy; and the occlusal position of the teeth and the oral holder body is fixed by dental fixing glue to ensure that the occlusal position is consistent during each radiotherapy, further increasing the radiotherapy accuracy.
[0004] The technical solution adopted by the present utility model to solve its technical problems is as follows: A head and neck radiotherapy mouthpiece device includes a mouthpiece body, a baffle, a shaft, a tongue depressor, dental fixing glue, and a nut. The mouthpiece body is a ring body in the shape of a waist-shaped hole. At the middle position inside the lower ring body of the mouthpiece body, there is a horizontal through hole. The waist-shaped hole in the mouthpiece body is a breathing hole, and the breathing hole is arranged horizontally. One side of the mouthpiece body is provided with a baffle, and the baffle and the mouthpiece body are of an integral structure. The baffle is arc-shaped in a top view, and there is a waist-shaped hole in the baffle that coincides and communicates with the breathing hole. The corresponding position of the through hole communicates with the baffle. The shaft is composed of a cylindrical shaft and a threaded shaft. The threaded shaft is located on one side of the cylindrical shaft. The cylindrical shaft is fitted through the through hole, and the length of the cylindrical shaft is the same as the length of the through hole. The threaded shaft is exposed outside the baffle. The other end of the cylindrical shaft is fixedly connected to the middle position of one side of the tongue depressor. A nut is threadedly connected to the threaded shaft, and the shaft and the tongue depressor are of an integral structure. On the circumferential direction of the cylindrical shaft on the side of the tongue depressor, the mouthpiece body is provided with a number of hemispherical grooves that are evenly spaced and symmetrically arranged. On both sides of the cylindrical shaft near the end of the mouthpiece body, the tongue depressor is provided with two hemispherical protrusions, and the hemispherical protrusions can be fitted and inserted into their respective corresponding hemispherical grooves. A circle of dental fixing glue is arranged outside the mouthpiece body.
[0005] On the upper and lower sides of the breathing hole, two cylindrical protrusions are fixed at the middle line position on the front side of the baffle. The front ends of the cylindrical protrusions are all rounded. The two cylindrical protrusions are opposite to the position of the thermoplastic film during radiotherapy positioning. On the side of the tongue depressor, positions 1# and 2# are respectively provided at the upper and outer positions on both sides of the mouthpiece body. The peripheries of the baffle, the tongue depressor, and the end circumference of the mouthpiece body are all rounded.
[0006] Furthermore, the mouthpiece body, the baffle, the tongue depressor, the shaft, and the nut are all made of nylon PA66.
[0007] Furthermore, the dental fixing glue is made of silicone rubber.
[0008] The beneficial effects of the present utility model are as follows:
[0009] 1. The present utility model can rotate the tongue depressor to an inclined angle and fix the position of the tongue depressor at this angle. The tongue depressor with an adjustable angle presses the patient's tongue at the clinically required position, improving the curative effect, reducing the dose of normal tissues, and reducing the side effects of patients.
[0010] 2. Moreover, the breathing hole of the mouthpiece body is larger, which cooperates with oral breathing, reduces the secretion of saliva, and at the same time reduces the swallowing action, so as to ensure the accuracy of radiotherapy.
[0011] 3. A circle of dental fixing glue outside the mouthpiece body can determine the occlusal position of the teeth and the mouthpiece body, ensure the consistency of the position of the mouthpiece during each radiotherapy, and ensure the repeatability of radiotherapy positioning.
[0012] 4. On the upper and lower sides of the breathing hole, there are two cylindrical protrusions at the midline position on the front side of the baffle, which are fixed to the customized thermoplastic film during patient positioning, further reducing the rotation of the patient in the customized thermoplastic film and ensuring the radiotherapy accuracy.
[0013] This mouthpiece device is convenient to use, can better determine the radiotherapy position of the patient, and thus better ensure the treatment effect. Brief Description of the Drawings
[0014] The present utility model will be further described below in conjunction with the drawings and specific embodiments.
[0015] Figure 1 is the front view of the present utility model.
[0016] Figure 2 is the schematic diagram of the position of the through hole of the present utility model.
[0017] Figure 3 is Figure 1 the right view of
[0018] Figure 4 is the schematic diagram of the mouthpiece body of the present utility model on the side of the tongue depressor.
[0019] Figure 5 is Figure 1 the top view of
[0020] Figure 6 is the schematic diagram of the shaft and the tongue depressor of the present utility model.
[0021] Figure 7 Schematic diagram of the position of the tooth fixing glue of the present utility model.
[0022] Reference numerals in the drawings:
[0023] 1. Mouthpiece body, 101. Through hole, 102. Breathing hole, 103. Hemispherical protrusion, 2. Baffle, 3. Shaft, 301. Cylindrical shaft, 302. Threaded shaft, 4. Tongue depressor, 401. Hemispherical groove, 5. Nut, 6. Cylindrical protrusion, 7. Tooth fixing glue. Detailed Embodiments
[0024] As Figure 1As shown in FIGS. 0-7, a mouth-containing device for head and neck radiotherapy includes a mouth-containing body 1, a baffle 2, a shaft 3, a tongue depressor 4, dental fixing glue 7 and a nut 5. The mouth-containing body 1 is a ring body in the shape of a waist-shaped hole. At the middle position inside the lower ring body of the mouth-containing body 1, there is a through hole 101 in the horizontal direction. The waist-shaped hole in the mouth-containing body 1 is a breathing hole 102, and the breathing hole 102 is arranged horizontally. One side of the mouth-containing body 1 is provided with a baffle 2. The baffle 2 and the mouth-containing body 1 are of an integral structure. The baffle 2 is arc-shaped in a top view. The baffle 2 is provided with a waist-shaped hole that coincides and communicates with the breathing hole 102. The through hole 101 communicates with the corresponding position of the baffle 2. The shaft 3 is composed of a cylindrical shaft 301 and a threaded shaft 302. The threaded shaft 302 is located on one side of the cylindrical shaft 301. The cylindrical shaft 301 is fitted through the through hole 101, and the length of the cylindrical shaft 301 is the same as the length of the through hole 101. The threaded shaft 302 is exposed outside the baffle 2. The other end of the cylindrical shaft 301 is fixedly connected to the middle position of the side of the tongue depressor 4 close to the mouth-containing body 1. A nut 5 is threadedly connected to the threaded shaft 302. The shaft 3 and the tongue depressor 4 are of an integral structure. On the circumferential direction of the cylindrical shaft 301 on the side of the tongue depressor 4, the mouth-containing body 1 is provided with a number of hemispherical grooves 103 that are evenly spaced and symmetrically arranged. On both sides of the cylindrical shaft 301 near the end of the mouth-containing body 1, the tongue depressor 4 is provided with two hemispherical grooves 401. The hemispherical protrusions 103 can be fitted and inserted into their respective corresponding hemispherical grooves 401. A circle of dental fixing glue 7 is arranged outside the mouth-containing body 1.
[0025] On the upper and lower sides of the breathing hole 102, two cylindrical protrusions 6 are fixed at the middle line position on the front of the baffle 2. The front ends of the cylindrical protrusions 6 are all rounded. On the side of the tongue depressor 4, positions 1# and 2# are respectively provided at the upper side positions on both sides of the mouth-containing body 1. The peripheries of the baffle 2, the tongue depressor 4 and the end circumference of the mouth-containing body 1 are all rounded. The mouth-containing body 1, the baffle 2, the tongue depressor 4, the shaft 3 and the nut 5 are all made of nylon PA66.
[0026] During use, the tongue depressor 4 is turned downward to place the mouthpiece 1 in the patient's oral cavity. The baffle 2 blocks the patient's upper and lower lips. The horizontally placed tongue depressor 4 is used to press down on the patient's tongue. When it is necessary to adjust the tongue-depressing angle of the tongue depressor 4 according to the usage situation, loosen the nut 5 to disengage the hemispherical groove 401 on the tongue depressor 4 from the original hemispherical protrusion 103, rotate the shaft 3, and re-insert one of the hemispherical grooves 401 into the corresponding hemispherical protrusion 103. Then the tongue depressor 4 will be arranged obliquely, thus changing the tongue-depressing angle of the tongue depressor 4. The inclined tongue depressor 4 points to the corresponding position of No. 1 or No. 2. Then lock the nut 5 to clamp and fix the position of the tongue depressor 4. In this way, the tongue-depressing angle of the tongue depressor 4 can be effectively changed, the tongue-depressing position of the patient can be recorded, and the treatment of the patient is made more convenient, keeping the patient's oral cavity always in an open state. The tongue depressor 4 is used to press down on the patient's tongue to avoid symptoms such as dry mouth and glossitis and various mucositis during radiotherapy, reducing the foreign body sensation of the patient and decreasing saliva secretion and swallowing movements. The size of the breathing hole 102 is much larger than that of the breathing hole of the existing mouthpiece. The patient can breathe through the breathing hole 102, and the breathing is smoother.
[0027] The tongue depressor is limited by the cooperation and insertion of the hemispherical protrusion 103 and the corresponding hemispherical groove 401, and the tongue-depressing angle of the tongue depressor 4 can be adjusted. The tooth-fixing glue 7 on the outer circle of the mouthpiece 1 will fix this mouthpiece device through the position bitten by the teeth. The tooth-fixing glue 7 will naturally harden and form after a period of time. During each radiotherapy, the teeth can directly bite the position formed last time. In this way, it can be ensured that the position of each bite of the teeth and the mouthpiece 1 is the same, facilitating the smooth progress of radiotherapy work. The two cylindrical protrusions 6 on the front of the baffle 2 can limit the position of the positioning film placed on the baffle 2 to prevent the positioning film from detaching from the baffle 2. The serial number position on the mouthpiece 1 indicates the angle of rotation of the tongue depressor 4, and the tongue-depressing position of the tongue depressor 4 is determined by the serial number position pointed to by the tongue depressor 4. When viewed from above, the baffle 2 is arc-shaped, which can make the baffle 2 fit with the patient's upper and lower lips. The outside of this mouthpiece device is all rounded to prevent scratching the patient during use.
Claims
1. A head and neck radiotherapy oral device, comprising an oral body (1), a baffle (2) and a tongue depressor (4), characterized in that: The invention also comprises a tooth fixing glue (7), a shaft (3) and a nut (5); the oral body (1) is a ring body with a waist-shaped hole; a through hole (101) in a horizontal direction is provided at the middle position of the inner part of the ring body below the oral body (1); the waist-shaped hole in the oral body (1) is a breathing hole (102); and the breathing hole (102) is arranged in a horizontal direction; a baffle (2) is provided on one side of the oral body (1); the baffle (2) and the oral body (1) are an integral structure; a waist-shaped hole is provided in the baffle (2) and is matched with and communicated with the breathing hole (102); and the through hole (101) is communicated with the corresponding position of the baffle (2); the shaft (3) is composed of a cylindrical shaft (301) and a threaded shaft (302); the threaded shaft (302) is located on one side of the cylindrical shaft (301); the cylindrical shaft (301) cooperates with and passes through the through hole (102) 1), the threaded shaft (302) is exposed on the baffle (2), the other end of the cylindrical shaft (301) is fixedly connected to the middle position of one side of the tongue depressor (4), a nut (5) is threadedly connected to the threaded shaft (302), and the shaft (3) and the tongue depressor (4) are an integral structure; in the semicircular direction of the upper half of the cylindrical shaft (301) on the side of the tongue depressor (4), a plurality of evenly spaced and symmetrically arranged hemispherical protrusions (103) are provided on the oral body (1); on both sides of the cylindrical shaft (301) close to the end of the oral body (1), two hemispherical grooves (401) are provided on the tongue depressor (4), and the hemispherical protrusions (103) can be inserted into the corresponding hemispherical grooves (401); a circle of tooth fixing glue (7) is provided on the outside of the oral body (1).
2. A head and neck radiotherapy oral device according to claim 1, characterized in that: Two cylindrical protrusions (6) are fixed on the front midline of the baffle (2) at the upper and lower sides of the breathing hole (102), and the front ends of the cylindrical protrusions (6) are rounded.
3. The head and neck radiotherapy oral device according to claim 1, characterized in that: The baffle (2) is arc-shaped when viewed from above.
4. The head and neck radiotherapy oral device according to claim 1, characterized in that: The periphery of the baffle (2), the periphery of the tongue depressor (4) and the circumference of the end of the oral body (1) are all rounded.
5. The head and neck radiotherapy oral device according to claim 1, characterized in that: The length of the cylindrical shaft (301) is consistent with the length of the through hole (101).
6. The head and neck radiotherapy oral device according to claim 1, characterized in that: The oral body (1), the baffle (2), the tongue depressor (4), the shaft (3) and the nut (5) are all made of nylon PA66.
7. The head and neck radiotherapy oral device according to claim 1, characterized in that: The tooth fixing glue (7) is made of silicone rubber.