CN213994614U

CN213994614U - Special adjustable oral cavity interlock mould of neck radiotherapy

Info

Publication number: CN213994614U
Application number: CN202022319840.8U
Authority: CN
Inventors: 沈莲; 王玉霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-20
Anticipated expiration: 2030-10-16

Abstract

The invention discloses an adjustable oral cavity occlusion mold device special for head and neck radiotherapy, which comprises an upper tongue depressor, a lower tongue depressor, an upper oral cavity occlusion support, a lower oral cavity occlusion support, a limit screw, an upper fixed handle, a lower movable handle, an upper lip stopper, a lower lip stopper and a fixing device. The upper tongue depressor and the lower tongue depressor can open the oral cavity and fix the tongue, so that the tongue movement error during treatment is reduced; the upper lip block and the lower lip block are used for separating and supporting the upper teeth and the lower teeth, and play a role in fixing; the limiting screw rotates on the limiting screw rod to drive the relative positions of the upper tongue depressor and the lower tongue depressor to change, so that the oral cavity occluding mould suitable for the size of the individual oral cavity of a patient is formed. The invention can manufacture the oral cavity articulator which is consistent with the patient according to the specific condition of each patient, and has the advantages of individual manufacture, simplicity, convenience, strong plasticity, good air permeability, resistance to saliva soaking, strong X-ray permeability and the like.

Description

Special adjustable oral cavity interlock mould of neck radiotherapy

Technical Field

The utility model relates to a medical equipment especially relates to a special adjustable oral cavity interlock mould device of neck radiotherapy.

Background

Radiotherapy technology is more and more widely applied in the treatment of head and neck malignant tumors, and in order to reduce acute and late radioactive injuries of the oral cavity of a patient, a common device is an oral cavity articulator which can expand the oral cavity and fix the tongue so as to reduce the irradiation of the glands in the oral cavity. At present, one of the existing technologies is that a patient holds a glass bottle or a tongue spatula, but the existing technologies have the defects of poor repeatability of treatment positions of the patient and unsatisfactory oral protection effect. In addition, professional finished products such as oral occlusion devices are commonly used, but the cost is high, the conformity degree is poor, individual manufacturing cannot be achieved, medical insurance reimbursement cannot be participated, and the economic burden of patients is heavy.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a dedicated adjustable oral cavity interlock fixed die set of simple and practical's neck portion radiotherapy.

The invention is realized by the following technical scheme: a simple and practical adjustable oral cavity occlusion fixing mold device special for head and neck radiotherapy comprises an upper tongue depressor, a lower tongue depressor, an upper oral cavity occlusion support, a lower oral cavity occlusion support, a limit screw, an upper fixing handle, a lower moving handle, an upper lip stopper, a lower lip stopper and a fixing device;

the upper tongue depressor and the lower tongue depressor are fixed by a fixing device, the upper tongue depressor and the lower tongue depressor are duck-shaped mouths, the surfaces of the upper tongue depressor and the lower tongue depressor are smooth, the rear part of the upper tongue depressor is provided with an upper oral occlusion support, and the upper tongue depressor extends backwards to form an upper lip stop which is connected with an upper fixing handle into a whole; the rear part of the lower tongue depressor is a lower oral cavity occlusion support, and the lower tongue depressor extends backwards to form a lower lip stop and is connected with the lower moving handle into a whole; the joint of the lower tongue depressor and the lower movable handle is rotatably hinged with the joint of the upper tongue depressor and the upper fixed handle; the limiting device comprises a limiting screw and a limiting screw, the limiting screw is arranged on the lower moving handle and penetrates through the strip-shaped hole groove, and the limiting screw is sleeved on a part of the limiting screw penetrating through the strip-shaped hole groove.

The limiting screw drives the upper fixing handle to move, so that the relative positions of the upper tongue depressor and the lower tongue depressor are changed.

The upper lip block is semi-oval and is arranged at the outer edge of the upper oral occlusion support; the lower lip block is semi-oval, and the upper and lower oral occlusal supports are matched with the upper and lower jaws of the human body at the outer edge of the lower oral occlusal support and are used for separating and supporting the upper and lower teeth.

The upper oral occlusion support and the lower oral occlusion support are engraved with vertical stripes.

Beneficial effects of the invention

The utility model discloses following beneficial effect has: the individual preparation, the form-fitting degree is high, and the spacing screw is adjustable, makes suitable oral cavity occluder according to everyone's oral cavity size and the degree of opening one's mouth, in the radiotherapy of neck portion tumour, can fix the tongue in the mouth bottom and restrict the displacement of tongue, enlarge the distance of hard palate and tongue, thereby the fixed oral cavity position of lip about separating, improves radiotherapy's precision, reaches the effect of protecting taste and oral cavity mucous membrane, and then reduces the organ of danger and receives dose and volume, reduces the emergence of adverse reaction. Compared with the common tongue depressor and glass buccal bottle, the shape adaptability and repeatability are higher; the material adopts a thermoplastic film commonly used for radiotherapy, the source is convenient, the cost is low, and the economic burden of a patient is reduced; vertical stripes are carved on the upper and lower tongue depressors, so that a better fixing effect can be achieved; the manufacturing process is simple, and the shaping time of the oral cavity articulator is short; the upper lip baffle and the lower lip baffle structure can fix soft lip tissues, have high repeatability on tumor fixation of soft tissue parts of the head and neck, such as lip cancer and the like, and better meet the requirement of radiotherapy positioning; the oral articulator is not easy to deform, is not afraid of saliva soaking, does not absorb rays, and can be repeatedly used after being sterilized.

Drawings

Fig. 1 is a schematic side structure view of the special oral cavity articulator for radiotherapy provided by the utility model.

Fig. 2 is a side view of the upper half of the oral articulator, and fig. 3 is a side view of the lower half of the oral articulator.

In the figure: 1. an upper tongue depressor; 2. a tongue depressor is arranged; 3. an upper mouth bite support; 4. a lower oral cavity occlusion support; 5. a lip block is arranged; 6. a lower lip block; 7. an upper fixed handle; 8. a lower moving handle; 9. a limiting screw; 10. a limit screw; 11. and (4) a fixing device.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, an adjustable oral occlusion mold device special for head and neck radiotherapy. Comprises an upper tongue depressor 1, a lower tongue depressor 2, an upper oral occlusion support 3, a lower oral occlusion support 4, a limit screw 10, a limit screw 9, an upper fixed handle 7, a lower movable handle 8, an upper lip baffle 5, a lower lip baffle 6 and a fixing device 11. The tongue depressor is characterized in that an upper tongue depressor 1 and a lower tongue depressor 2 are fixed by a fixing device 11, the upper tongue depressor 1 and the lower tongue depressor 2 are duck-shaped mouths and have smooth surfaces, the rear part of the upper tongue depressor 1 is provided with an upper oral occlusion support 3, and the upper tongue depressor 1 extends backwards to form an upper lip stop 5 which is connected with an upper fixing handle 7 into a whole; the rear part of the lower tongue depressor 2 is provided with a lower oral occlusion support 4, and the lower tongue depressor 2 extends backwards to form a lower lip stop 6 and is connected with a lower moving handle 8 into a whole; the joint of the lower tongue depressor 2 and the lower moving handle 8 is rotatably hinged with the joint of the upper tongue depressor 1 and the upper fixed handle 7; the limiting device comprises a limiting screw rod 10 and a limiting screw 9, the limiting screw rod 10 is arranged on the lower moving handle 8 and penetrates through the strip-shaped hole groove, and the limiting screw 9 is sleeved on one part of the limiting screw rod 10 penetrating through the strip-shaped hole groove.

The upper lip block 5 is semi-oval and is arranged at the outer edge of the upper oral occlusion support 3; the lower lip block 6 is semi-oval, and at the outer edge of the lower oral occlusal support 4, the upper and lower oral occlusal supports are matched with the upper and lower jaws of the human body and used for separating and supporting the upper and lower teeth. The upper oral occlusion support 3 and the lower oral occlusion support 4 are engraved with vertical stripes.

The position of the upper fixing handle 7 is driven by the limiting screw to move, so that the relative positions of the upper tongue depressor 1 and the lower tongue depressor 2 are changed, and a die suitable for the size of the individual oral cavity of a patient is formed. Then, placing the oral cavity articulator mould in the mouth of a patient, slightly pressing the tongue by a tongue pressing plate, adjusting the distance between an upper tongue pressing plate 1 and a lower tongue pressing plate 2 and an upper oral cavity articulator support 3 and a lower oral cavity articulator support 4 and fixing the positions, then taking out, covering a hot (placing in 70-DEG hot water for 10 minutes) radiotherapy positioning film on the surface of the oral cavity articulator mould, placing the oral cavity articulator mould back into the mouth of the patient, adjusting the position of an upper lip baffle 5 and a lower lip baffle 6, advising the patient that the upper and lower teeth slightly bite the upper oral cavity articulator support 3 and the lower oral cavity articulator support 4, and shaping for 5-8 minutes, namely fixing and forming to obtain the complete oral cavity articulator.

The technical solutions of the present invention are provided, or those skilled in the art can design similar technical solutions based on the teaching of the present invention, so as to achieve the above technical effects, which all fall within the protection scope of the present invention.

Claims

1. An adjustable oral cavity occluding mould special for head and neck radiotherapy is characterized by comprising an upper tongue depressor (1), a lower tongue depressor (2), an upper oral cavity occluding support (3), a lower oral cavity occluding support (4), a limiting screw rod (10), a limiting screw (9), an upper fixing handle (7), a lower moving handle (8), an upper lip stopper (5), a lower lip stopper (6) and a fixing device (11); the upper tongue depressor (1) and the lower tongue depressor (2) are fixed by a fixing device (11), the upper tongue depressor (1) and the lower tongue depressor (2) are duck-shaped mouths, the surfaces of the upper tongue depressor and the lower tongue depressor are smooth, an upper oral occlusion support (3) is arranged at the rear part of the upper tongue depressor (1), and an upper lip stop (5) extends backwards from the upper tongue depressor (1) and is connected with an upper fixing handle (7) into a whole; the rear part of the lower tongue depressor (2) is provided with a lower oral occlusion support (4), and the lower tongue depressor (2) extends backwards to form a lower lip stop (6) and is connected with a lower moving handle (8) into a whole; the joint of the lower tongue depressor (2) and the lower moving handle (8) is rotatably hinged with the joint of the upper tongue depressor (1) and the upper fixed handle (7); the limiting device comprises a limiting screw rod (10) and a limiting screw (9), the limiting screw rod (10) is arranged on the lower moving handle (8) and penetrates through the strip-shaped hole groove (12), the limiting screw (9) is sleeved on one part of the limiting screw rod (10) penetrating through the strip-shaped hole groove, the upper lip stopper (5) is semi-oval, and the outer edge of the upper oral occlusion support (3) is arranged; the lower lip block (6) is semi-oval, and is arranged at the outer edge of the lower oral occlusion support (4), and the upper oral occlusion support and the lower oral occlusion support are matched with the upper jaw and the lower jaw of a human body and used for separating and supporting the upper teeth and the lower teeth.

2. The adjustable oral cavity occluding mould special for the radiotherapy of the head and the neck as claimed in claim 1, wherein the upper oral cavity occluding support (3) and the lower oral cavity occluding support (4) are engraved with vertical stripes.

3. The adjustable oral cavity occluding mould special for the radiotherapy of the head and the neck as claimed in claim 1, wherein the total height of the upper oral cavity occluding support (3) and the lower oral cavity occluding support (4) is 1.6-3cm, and the length of the tongue depressor is 4-5 cm.