CN213527183U - Universal oral positioning support for head and neck radiotherapy - Google Patents

Abstract

The utility model discloses a general type neck radiotherapy oral cavity locating support, including supporter, tongue depressor, its characterized in that: the support body is matched with the size and shape of the oral cavity of a patient when the mouth is opened, the support body comprises an outer side plate and an inner side plate, the inner side plate is connected with the outer side plate through a partition plate, an upper dental arch groove is formed in the space between the outer side plate and the inner side plate and above the partition plate, and a lower dental arch groove is formed in the space between the outer side plate and the inner side plate and below the partition plate; the tongue depressor is fixed with the inner side plate; impression materials are filled in the upper dental arch groove and the lower dental arch groove. This oral cavity support supports the lower jaw in the preparation of radiotherapy mouth ware and makes the patient be the opening and press the tongue state, and the die material of falling simultaneously prepares the tooth seal of a government organization in the upper and lower dental arch groove and realizes the individuation, and because the thermoplasticity of die material, can coincide with different patients' tooth size, makes the supporter can become the standard component to both simplify the preparation step that ware was held to neck radiotherapy individuation, improve fixed precision, can batch production again, reduce the die sinking cost.

Description

Universal oral positioning support for head and neck radiotherapy

Technical Field

The utility model relates to a general type neck radiotherapy oral cavity locating support.

Background

The oral positioning support for head and neck radiotherapy is one auxiliary oral positioning device for head and neck tumor radiotherapy, and may be combined with heat forming net to fix the patient's position to raise the fixing precision and repeatability of the upper and lower jaws and tongue. At present, in clinical application, relatively simple radiotherapy buccal devices such as a mouth-opening bottle and a tongue spatula are mostly adopted for positioning head and neck radiotherapy, the repeatability of the positions of the upper and lower jaws and the tongue is difficult to ensure during use, the comfort level is poor, and individuation cannot be realized. In addition, the mouth sucking device is not in accordance with the size of the mouth of a patient, so that the occlusion of the patient is unstable, and the operation of a doctor in radiotherapy is not facilitated.

Some conditional patients chose to perform customized buccal repair prior to surgery. The patient passes through the interlock mould before art, gathers oral cavity model, makes on equipment through this model, and the drawing of patterns obtains individualized mouth ware. The process is similar to the process of manufacturing false teeth, and most hospitals cannot independently perform the manufacturing, so that the average period is long and the cost is high. Currently it takes about 1 week from the time the patient bites until the model is retrieved.

In CN201820378824 in the prior art, a personalized buccal device for radiotherapy manufactured by using a silicone rubber material as a carrier can ensure positioning accuracy and comfort and realize individuation. However, the base of the silicon rubber still needs to be manufactured into the oral cavity model separately for customization, so that batch production cannot be realized, the manufacturing cost is high, the clinical popularization and use are inconvenient, and the problems in the prior art cannot be completely solved.

The impression paste is also called impression gel, and is an inelastic reversible impression material which is softened by heating and hardened after cooling. The change between hot hardness and cold hardness is a temperature change, but not a chemical effect, and the material belongs to a thermoplastic material, is easy to operate and can be repeatedly used.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides a universal oral bracket for head and neck radiotherapy.

The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a general type neck radiotherapy oral cavity locating support, includes supporter, tongue depressor, its characterized in that: the support body has three different models, namely a large model, a small model, a middle model and a small model, and is matched with the size and the shape of the oral cavity of a patient when the patient opens the mouth, the support body comprises an outer side plate and an inner side plate, the inner side plate is connected with the outer side plate through a partition plate, an upper dental arch groove is formed between the outer side plate and the inner side plate and in the space above the partition plate, and a lower dental arch groove is formed between the outer side plate and the inner side; the tongue depressor is fixed with the inner side plate; impression materials are filled in the upper dental arch groove and the lower dental arch groove.

Furthermore, an overflow hole is arranged on the outer side plate along the upper dental arch groove; an overflow hole is provided on the outer side plate along the lower dental arch socket.

Furthermore, the overflow holes have a shape interval of 5-6mm and a diameter of 3-5 mm. This range of sizing provides better relief of the impression material from the discharge outlet by squeezing during occlusion by the patient to conform to the shape of the teeth and ensure that the impression material does not fall off during the entire radiation treatment period.

Furthermore, the upper arch socket and the lower arch socket extend from the central incisor to the teeth on both sides of the oral cavity, and the end parts are not sealed. Because the oral cavity conditions of each patient are different, for example, the patients have or not have wisdom teeth, the end part is not sealed, and a certain adjustment allowance is given, so that the oral cavity conditions of more people are adapted.

Furthermore, the depth of the upper dental arch groove is 8-12mm, and the depth of the lower dental arch groove is 8-12 mm. This size range is suitable for most people's tooth size, and after using with impression material 9, the support frame can become the standard piece, reaches the effect of batch production.

Furthermore, the tail ends of the two sides of the partition board are flush with the end parts of the two sides of the inner side board and the outer side board, so that the safety is ensured, enough impression materials can be contained, and the support effect is achieved.

Further, the impression material is an impression paste. The impression paste is also called impression glue, is a non-elastic reversible impression material which is softened by heating and hardened after cooling, has thermoplasticity, no elasticity, easy operation and repeated use.

Furthermore, the position of the tongue depressor is lower than the partition plate, is positioned on the lower part of the inner side plate and is attached to the tongue part.

Furthermore, a holding handle is arranged at the center of the outer supporting plate, and the length of the holding handle is 2-3 cm. The handle 5 is held to carry out taking operation in the process of manufacturing and using the oral cavity support, so that sanitation is guaranteed, and the operation is convenient.

Further, the upper arch socket and the lower arch socket cover the range of teeth including: all dental arches.

Has the advantages that: the utility model provides a general type neck portion radiotherapy oral cavity locating support supports the lower jaw and makes patient open state in the radiotherapy, and the dental impression material is arranged in upper and lower dental arch groove simultaneously and is prepared the tooth seal of a government organization in old china and realize individuation, and because the nature of impression material, can coincide with different patients' tooth size, makes the supporter become the standard component to both simplify the preparation step that the ware was sucked in radiotherapy individuation, improve fixed precision, can also batch production, reduce the die sinking cost.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example (b): as shown in fig. 1 and 2, a universal oral positioning bracket for head and neck radiotherapy can comprise various sizes to adapt to different people. Comprises a supporting body 1 and a tongue depressor 4, and is characterized in that: the support body 1 is matched with the size and shape of an oral cavity when the mouth is opened, the support body 1 comprises an outer side plate and an inner side plate, the inner side plate 7 is connected with the outer side plate 8 through a partition plate 6, an upper dental arch groove 2 is formed in the space between the outer side plate 8 and the inner side plate 7 and above the partition plate 6, and a lower dental arch groove 3 is formed in the space between the outer side plate 8 and the inner side plate 7 and below the partition plate 6; the tongue depressor 4 is fixed with the inner side plate 7; the upper dental arch groove 2 and the lower dental arch groove 3 are filled with a reverse molding material 9. When in use, the die-casting material 9 is uniformly softened in hot water at 70 ℃ and then filled into the upper dental arch groove 2 and the lower dental arch groove 3. Then the oral cavity bracket filled with the inverse mold material 9 is placed into the mouth of a patient, the upper tooth impression and the lower tooth impression are taken after the patient bites, the inverse mold material 9 is taken out after being cooled and hardened, and the manufacturing of the individualized buccal device is completed.

The die-casting material can be filled in the bracket when leaving a factory, and the whole bracket and the die-casting material can be heated in water together; the material 9 can be separated from the support and heated separately during use. The bracket material can adopt high-temperature-resistant food-grade plastics or other materials meeting the safety standard.

Furthermore, an overflow hole 10 is arranged on the outer side plate 8 along the upper dental arch groove 2; an overflow aperture 10 is provided in the outer panel 8 along the lower arch socket 3. When the patient bites, part of the inverted mold material 9 overflows from the overflow hole 10, so that the model can better fit the shape of the teeth, and the purpose of individuation is achieved. And the fixing of the die-casting material 9 and the oral cavity bracket is more firm, and the falling-off is prevented.

Furthermore, the overflow holes 10 have a spacing of 5-6mm and a diameter of 3-5 mm.

Furthermore, the upper dental arch groove 2 and the lower dental arch groove 3 extend from the middle incisor to teeth on two sides in the oral cavity, the end parts are not sealed, safety can be guaranteed, enough die-casting materials can be contained, and a supporting effect is achieved.

Furthermore, the upper dental arch groove 2 is 8-12mm deep, and the lower dental arch groove 3 is 8-12mm deep. The size is suitable for the tooth size of most people, and after the size is matched with the die-casting material 9 for use, the support frame can become a standard part, so that the effect of batch production is achieved.

Furthermore, the tail ends of the two sides of the partition plate 6 are flush with the end parts of the two sides of the inner side plate 7 and the outer side plate 8, so that safety can be guaranteed, enough die-pouring materials can be contained, and a supporting effect is achieved.

Furthermore, the reverse molding material 9 is an impression paste, which is also called impression gel, is an inelastic reversible impression material that is softened by heating and solidified after cooling, and has thermoplasticity, inelasticity and large temperature shrinkage.

Furthermore, the tongue depressor 4 is lower than the partition board 6, is positioned at the lower part of the inner side board 7, is attached to the tongue, inclines towards the side close to the tongue by about 10 degrees to 15 degrees, and if the inclination is too large, the tongue is pressed too much, and the patient can feel nausea or discomfort.

Furthermore, a holding handle 5 is arranged at the center of the outer side plate 8, and the length of the holding handle is 3 cm. The handle 5 is held to perform the picking operation during the process of making and using the oral cavity stent.

Further, the upper arch socket 2 and the lower arch socket 3 cover the range of teeth including some or all of the teeth.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides a general type neck radiotherapy oral cavity locating support, includes supporter (1), tongue depressor (4), its characterized in that:

the support body (1) is matched with the size and shape of the oral cavity when the mouth is opened and is in a U-shaped structure; the support body (1) comprises an inner side plate (7) and an outer side plate (8); the inner side plate (7) and the outer side plate (8) are connected through a partition plate (6), and the thickness of the partition plate (6) is 1-1.5 cm;

an upper dental arch groove (2) is formed among the inner side plate (7), the outer side plate (8) and a space above the clapboard (6); a lower dental arch groove (3) is formed between the inner side plate (7) and the outer side plate (8) and in a space below the partition plate (6);

the tongue depressor (4) is fixed with the inner side plate (7); impression materials (9) are filled in the upper dental arch groove (2) and the lower dental arch groove (3).

2. The universal oral positioning bracket for head and neck radiotherapy according to claim 1, wherein:

a plurality of overflow holes (10) are arranged along an outer side plate (8) forming the upper dental arch groove (2);

a plurality of overflow holes (10) are arranged along an outer side plate (8) forming the lower dental arch groove (3).

3. The universal oral positioning bracket for head and neck radiotherapy according to claim 2, wherein: the distance between the overflow holes (10) is 5-6mm, and the diameter is 3-5 mm.

4. The universal oral positioning bracket for head and neck radiotherapy according to claim 1, wherein: the upper dental arch groove (2) and the lower dental arch groove (3) extend from the middle incisor to the teeth at two sides in the oral cavity, and the tail ends of the end parts are not closed.

5. The universal oral positioning bracket for head and neck radiotherapy according to claim 1, wherein: the depth of the upper dental arch groove (2) is 8-12mm, and the depth of the lower dental arch groove (3) is 8-12 mm.

6. The universal oral positioning bracket for head and neck radiotherapy according to claim 1, wherein: the impression material (9) is an impression paste.

7. The universal oral positioning bracket for head and neck radiotherapy according to claim 1, wherein: the position of the tongue depressor (4) is slightly lower than the clapboard (6), and is specifically positioned at the lower part of the inner side plate (7), and the tongue depressor inclines towards the surface close to the tongue.

8. The universal oral positioning bracket for head and neck radiotherapy according to claim 1, wherein: the center of the outer side plate (8) is provided with a holding handle (5) with the length of 2-3 cm.

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