阅读说明：本技术 一种头颈部肿瘤放射治疗用防护装置及其使用方法 (Protective device for head and neck tumor radiotherapy and use method thereof ) 是由 钟琼 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种头颈部肿瘤放射治疗用防护装置及其使用方法,包括支撑壳和滑杆,所述支撑壳底端粘接有底板,所述底板底端中部成型有压舌槽,所述支撑壳以及所述底板上均成型有滑槽。有益效果在于：本发明通过支撑壳、卷轴、遮挡布、滑杆以及限位块的设计,使得装置尾部的开口能够根据患者咽喉部位病变区域范围的大小进行调节,进而使得放疗射线能够对病变部位进行集中照射,避免患者口腔其他部位的损伤,使得放疗过程更加的安全可靠,通过嘴罩以及凹槽的设计,使得患者的嘴部在放疗过程中能够以正常的姿态放置,减轻患者在放疗过程中的痛苦,提高患者的舒适度。(The invention discloses a protective device for radiotherapy of head and neck tumors and a using method thereof. Has the advantages that: according to the invention, through the design of the supporting shell, the scroll, the shielding cloth, the sliding rod and the limiting block, the opening at the tail part of the device can be adjusted according to the size of the range of the throat lesion area of a patient, so that radiotherapy rays can intensively irradiate the lesion area, and the damage to other parts of the oral cavity of the patient is avoided, so that the radiotherapy process is safer and more reliable.)

1. A protection device for head and neck tumor radiotherapy is characterized in that: comprises a supporting shell (3) and a sliding rod (11), wherein a bottom plate (7) is bonded at the bottom end of the supporting shell (3), a tongue pressing groove (5) is formed in the middle of the bottom end of the bottom plate (7), sliding grooves (4) are formed in the supporting shell (3) and the bottom plate (7), a mounting groove (15) is formed at one end of each sliding groove (4), the sliding rod (11) is arranged in each sliding groove (4), sliding blocks (10) are arranged at two ends of each sliding rod (11), fixing grooves (14) are formed in two side walls of the supporting shell (3), a scroll (13) is arranged in each fixing groove (14), shielding cloth (6) is wound on each scroll (13), each shielding cloth (6) is bonded with the corresponding sliding rod (11), limit blocks (18) are hinged to the middle of the upper end and the lower end of each sliding rod (11), and friction plates (16) are hinged to one end of each limit, and a pressure spring (17) is fixed between the limiting block (18) and the sliding rod (11) in a clamping and pressing mode.

2. The protection device for radiotherapy of head and neck tumors according to claim 1, wherein: the sliding block (10) is formed on the sliding rod (11), and the sliding rod (11) is connected with the sliding groove (4) in a sliding mode through the sliding block (10).

3. The protection device for radiotherapy of head and neck tumors according to claim 1, wherein: the reel (13) is rotationally connected with the fixing groove (14), and the number of the reels (13) and the number of the sliding rods (11) are two.

4. The protection device for radiotherapy of head and neck tumors according to claim 1, wherein: the shielding cloth (6) is made of polystyrene material with built-in lead foil.

5. The protection device for radiotherapy of head and neck tumors according to claim 1, wherein: the limiting block (18) is formed by mutually bonding two plates which form an included angle of 60 degrees.

6. The protection device for radiotherapy of head and neck tumors according to claim 1, wherein: an upper tooth pad (2) is bonded to the upper end of the supporting shell (3), and the upper tooth pad (2) is made of medical rubber.

7. The protection device for radiotherapy of head and neck tumors according to claim 6, wherein: the bottom end of the bottom plate (7) is right opposite to the lower side of the upper tooth pad (2) and is bonded with a lower tooth pad (9), and the lower tooth pad (9) is made of medical rubber.

8. The protection device for radiotherapy of head and neck tumors according to claim 7, wherein: tooth grooves (19) are formed in the upper tooth pad (2) and the lower tooth pad (9).

9. The protection device for radiotherapy of head and neck tumors according to claim 1, wherein: support on the shell (3) just right it has mouth cover (1) to bond on the lateral wall of spout (4), the middle part shaping has radiotherapy hole (12) in mouth cover (1), mouth cover (1) back with it is fluted (8) to support the shaping between the shell (3).

10. A method for using a head and neck tumor radiotherapy protecting device, which is applied to the head and neck tumor radiotherapy protecting device of any one of claims 1 to 9, and is characterized in that: when in use, the supporting shell (3) is firstly placed into the oral cavity of a patient as shown in figure 1, the bottom plate (7) is attached to the lower part of the oral cavity of the patient, the tongue of the patient is pressed in the tongue pressing groove (5), then the oral cavity of the patient is irradiated by the flashlight to observe the range of the throat lesion area of the patient, the position of the sliding rod (11) in the sliding groove (4) is adjusted according to the range of the throat lesion area of the patient, so as to realize the adjustment of the size of the tail opening of the supporting shell (3), further ensure that rays in the radiotherapy process can be intensively irradiated, avoid damaging other parts in the oral cavity of the patient, the supporting shell (3) is firstly moved out of the oral cavity of the patient in the specific adjusting process, and then the limiting block (18) on the sliding rod (11) is simultaneously pressed by fingers, so that the friction plate (16) is separated from the supporting shell (3), meanwhile, the sliding rod (11) can be pulled along the sliding groove (4) to pull out the shielding cloth (6) to shield the opening part at the tail part of the supporting shell (3), the shielding cloth (6) is made of polystyrene material with built-in lead foil, so that the shielding cloth (6) has a good shielding effect on rays, the polystyrene material is equivalent to human tissues for absorbing rays and is harmless to human bodies, after the adjustment of the sliding rod (11) is completed, the limiting block (18) is only required to be loosened, the limiting block (18) can press the friction plate (16) on the supporting shell (3) under the action of the pressure spring (17), so that the sliding rod (11) can realize limiting under the friction action of the friction plate (16) and the supporting shell (3), and after the adjustment of the size of the opening at the tail part of the supporting shell (3) is completed, can make the patient about the tooth bite down respectively go up bite-block (2) and bite-block (9) down to make patient's lip hug closely recess (8) on mouth cover (1), can begin to carry out the radiotherapy operation, because mouth cover (1) and the design of recess (8) makes patient's mouth place with normal gesture at the radiotherapy in-process, alleviates the misery of patient in the radiotherapy in-process, improves patient's comfort level.

Technical Field

The invention relates to the technical field of head and neck tumor radiotherapy, in particular to a protection device for head and neck tumor radiotherapy and a using method thereof.

Background

Radiation therapy plays an important role in the overall treatment of tumors, and of all malignant tumors, about 70% of patients require the participation of radiation therapy. In recent years, with the development of scientific technology, medical imaging, computer technology, multi-leaf collimator and the like are closely combined with accelerator technology, and accurate radiotherapy technologies such as three-dimensional conformal radiotherapy, intensity modulated radiotherapy, image guided radiotherapy and the like are sequentially applied to clinic, so that radiotherapy is rapidly developed.

Chinese patent with patent number CN2016207522663.6 discloses a device is tempered in radiation therapy protection of neck tumour and function, it includes the under bracing frame, go up carriage and backup pad, the under bracing frame includes preceding frame, back frame and with preceding frame and the both ends of back frame be connected control telescopic link, go up carriage including controlling frame and crossbeam, a left side, the front end of right side frame is articulated with the crossbeam respectively and is connected, a left side, the rear end of right side frame is articulated with back frame respectively and is connected, be equipped with the tongue depressor on the back frame, crossbeam upper portion is equipped with the denture base, be equipped with the draw-in groove on crossbeam and the preceding frame, be equipped with the stabilizer blade that matches with the draw-in groove in the backup pad, be equipped with the through-hole in the backup pad, the base and the both.

Above-mentioned patent though has certain guard action in the use, the aperture size that supplies the radiation ray to see through on it is certain, can not adjust in real time according to the regional scope size of patient's throat position pathological change, there is the risk of damaging other inside positions in patient's oral cavity damage because of radiotherapy light irradiation range is great, reduce radiotherapy process security, its lip that uses patient in addition is directly taken on the crossbeam of device, make patient's lip can not place in a normal gesture, reduce patient's comfort.

Disclosure of Invention

The invention aims to solve the problems and provide a protective device for radiation therapy of head and neck tumors and a using method thereof.

The invention realizes the purpose through the following technical scheme:

the utility model provides a protector for neck tumour radiation therapy, includes support shell and slide bar, it has the bottom plate to bond support shell bottom, bottom plate bottom middle part shaping has the tongue groove, support the shell and equal shaping has the spout on the bottom plate, spout one end shaping has the mounting groove, be provided with in the spout the slide bar, the slide bar both ends are provided with the slider, the shaping has the fixed slot on the wall of support shell both sides, be provided with the spool in the fixed slot, the winding has shielding cloth on the spool, shielding cloth with the slide bar bonds, slide bar upper end and lower extreme middle part articulate there is the stopper, the stopper is kept away from slide bar one end articulates there is the friction plate, the stopper with the mode of pressing through the card between the slide bar is fixed with the pressure spring.

Through adopting above-mentioned technical scheme, through the support shell the spool block cloth the slide bar and the design of stopper for the opening of device afterbody can be adjusted according to the size of patient's throat position pathological change region scope, and then makes the radiotherapy ray can concentrate the irradiation to pathological change position, avoids the damage of other positions in patient's oral cavity, makes the safe and reliable that the radiotherapy process is more.

Furthermore, the sliding block is formed on the sliding rod, and the sliding rod is connected with the sliding groove in a sliding mode through the sliding block.

By adopting the technical scheme, the sliding rod can drive the shielding cloth to shield the opening outside the supporting shell, so that the size of the opening at the tail part of the supporting shell can be adjusted.

Furthermore, the reel with the fixed slot rotates and is connected, the reel with the slide bar all has two.

By adopting the technical scheme, the reel is mainly used for collecting and arranging the shielding cloth, so that the shielding cloth can be conveniently reused.

Furthermore, the shielding cloth is made of polystyrene material with built-in lead foil.

By adopting the technical scheme, the shielding cloth is made of the polystyrene material with the built-in lead foil, so that the shielding cloth has a good shielding effect on rays, and the polystyrene material is an equivalent material for absorbing rays with human tissues, so that the polystyrene material is harmless to human bodies.

Furthermore, the limiting block is formed by mutually bonding two plates which form an included angle of 60 degrees.

By adopting the technical scheme, the pressure spring can be compressed by pressing the limiting block, and meanwhile, the friction plate is opened, so that the sliding rod can slide conveniently.

Furthermore, an upper tooth pad is bonded at the upper end of the supporting shell and made of medical rubber.

Through adopting above-mentioned technical scheme, go up the bite-block and mainly be used for supplying patient to go up the tooth and carry out the interlock to improve patient's comfort level.

Furthermore, a lower tooth pad is bonded below the bottom end of the bottom plate, which is opposite to the upper tooth pad, and the lower tooth pad is made of medical rubber.

Through adopting above-mentioned technical scheme, tooth pad is mainly used for supplying patient to carry out the interlock under the tooth to improve patient's comfort level.

Furthermore, tooth sockets are formed on the upper tooth pad and the lower tooth pad.

Through adopting above-mentioned technical scheme, through the tooth's socket can make the more reliable of patient's interlock.

Furthermore, a nozzle cover is bonded on the side wall of the supporting shell, which is opposite to the sliding groove, a radiotherapy hole is formed in the middle of the nozzle cover, and a groove is formed between the back of the nozzle cover and the supporting shell.

Through adopting above-mentioned technical scheme, through the mouth cover and the design of recess for patient's mouth can be placed with normal gesture at the radiotherapy in-process, alleviates the misery of patient in the radiotherapy in-process, improves patient's comfort level.

The invention has the beneficial effects that:

1. in order to solve the problems that the size of an aperture for transmitting radiation rays on the existing protective device for the radiation therapy of the head and neck tumor is fixed and cannot be adjusted in real time according to the range of a throat lesion area of a patient, and the risk of damaging other parts in the oral cavity of the patient due to a large radiation range of the radiation therapy rays exists, and the safety of the radiation therapy process is reduced, the invention enables an opening at the tail part of the device to be adjusted according to the range of the throat lesion area of the patient through the design of a supporting shell, a scroll, shielding cloth, a sliding rod and a limiting block, so that the radiation therapy rays can intensively irradiate the lesion area, the damage to other parts in the oral cavity of the patient is avoided, and the radiation therapy process is safer and more reliable;

2. in order to solve the problems that the lips of a patient are directly lapped on the edge of the device in the using process of the existing protective device for the radiation therapy of the head and neck tumors, so that the lips of the patient cannot be placed in a normal posture, and the comfort level of the patient is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a protection device for radiation therapy of head and neck tumor according to the present invention;

FIG. 2 is a schematic structural diagram of a base plate in the protection device for radiation therapy of head and neck tumor according to the present invention;

FIG. 3 is a bottom view of a bottom plate of the protection device for radiation therapy of head and neck tumor in accordance with the present invention;

FIG. 4 is a front view of a slide bar in the protection device for radiation therapy of head and neck tumor according to the present invention;

FIG. 5 is a top view of a mouth shield of the protection device for radiation therapy of head and neck tumor

FIG. 6 is an enlarged view of the protection device for radiation therapy of head and neck tumor at A in FIG. 1;

fig. 7 is an enlarged view of the position B in fig. 1 of the protective device for radiation therapy of head and neck tumor.

The reference numerals are explained below:

1. a mouth cover; 2. an upper tooth pad; 3. a support housing; 4. a chute; 5. a tongue pressing groove; 6. a shielding cloth; 7. a base plate; 8. a groove; 9. a lower tooth pad; 10. a slider; 11. a slide bar; 12. a radiotherapy hole; 13. a reel; 14. fixing grooves; 15. mounting grooves; 16. a friction plate; 17. a pressure spring; 18. a limiting block; 19. a tooth socket.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-7, a protection device for radiotherapy of head and neck tumors comprises a supporting shell 3 and a sliding rod 11, wherein a bottom plate 7 is bonded to the bottom end of the supporting shell 3, a tongue pressing groove 5 is formed in the middle of the bottom end of the bottom plate 7, sliding grooves 4 are formed in the supporting shell 3 and the bottom plate 7, a mounting groove 15 is formed at one end of each sliding groove 4, the sliding rod 11 is arranged in each sliding groove 4, sliding blocks 10 are arranged at two ends of the sliding rod 11, fixing grooves 14 are formed in two side walls of the supporting shell 3, a scroll 13 is arranged in each fixing groove 14, a shielding cloth 6 is wound on each scroll 13, the shielding cloth 6 is bonded to the sliding rod 11, limit blocks 18 are hinged to the middle of the upper end and the lower end of the sliding rod 11, one end of each limit block 18, which is far away from the sliding rod 11, is hinged to a friction plate 16, and a, through support shell 3 the spool 13 block up cloth 6 slide bar 11 and stopper 18's design for the opening of device afterbody can be adjusted according to the size of patient's throat position pathological change region scope, and then makes the radiotherapy ray can concentrate the radiation to pathological change position, avoids the damage of other positions in patient's oral cavity, makes the more safe and reliable of radiotherapy process.

In this embodiment, the sliding block 10 is formed on the sliding rod 11, the sliding rod 11 is slidably connected to the sliding groove 4 through the sliding block 10, and the sliding rod 11 can drive the shielding cloth 6 to shield an opening outside the supporting shell 3, so that the size of the opening at the tail of the supporting shell 3 can be adjusted.

In this embodiment, the winding shaft 13 is rotatably connected to the fixing groove 14, the number of the winding shafts 13 and the number of the sliding rods 11 are two, and the winding shaft 13 is mainly used for collecting and arranging the shielding cloth 6, so that the shielding cloth 6 can be reused.

In this embodiment, the shielding cloth 6 is made of a polystyrene material with a built-in lead foil, the shielding cloth 6 made of the polystyrene material with the built-in lead foil has a good shielding effect on the radiation, and the polystyrene material is an equivalent material to human tissue for absorbing the radiation, so that the polystyrene material is harmless to the human body.

In this embodiment, the limiting block 18 is made by bonding two plates forming an included angle of 60 degrees, and the pressing of the limiting block 18 can compress the pressing spring 17 and simultaneously open the friction plate 16, so as to facilitate the sliding of the sliding rod 11.

In this embodiment, 3 upper ends of support shell are bonded and are had last bite-block 2, go up bite-block 2 and adopt medical rubber to make, go up bite-block 2 and mainly be used for the patient to go up the tooth and carry out the interlock to improve patient's comfort level.

In this embodiment, the bottom of the bottom plate 7 is just opposite to the lower side of the upper tooth pad 2 is bonded with the lower tooth pad 9, the lower tooth pad 9 is made of medical rubber, and the lower tooth pad 9 is mainly used for meshing with the lower teeth of a patient to improve the comfort level of the patient.

In this embodiment, the teeth grooves 19 are formed in both the upper bite block 2 and the lower bite block 9, and the patient can bite more reliably through the teeth grooves 19.

In this embodiment, it is just right on the support shell 3 it has mouth cover 1 to bond on the lateral wall of spout 4, the middle part shaping has radiotherapy hole 12 in the mouth cover 1, mouth cover 1 back with the shaping is fluted 8 between the support shell 3, through mouth cover 1 and the design of recess 8 for patient's mouth can be placed with normal gesture at the radiotherapy in-process, alleviates the misery of patient in the radiotherapy in-process, improves patient's comfort level.

A use method of a protective device for radiation therapy of head and neck tumors comprises the following steps: when in use, the supporting shell 3 is firstly put into the oral cavity of a patient as shown in fig. 1, the bottom plate 7 is attached to the lower part of the oral cavity of the patient, the tongue of the patient is pressed in the tongue pressing groove 5, then the oral cavity of the patient is irradiated by the flashlight to observe the range of the throat lesion area of the patient, the position of the sliding rod 11 in the sliding groove 4 is adjusted according to the range of the throat lesion area of the patient, so as to realize the adjustment of the size of the tail opening of the supporting shell 3, further ensure that rays in the radiotherapy process can be intensively irradiated, avoid damaging other parts in the oral cavity of the patient, in the specific adjusting process, the supporting shell 3 is firstly moved out of the oral cavity of the patient, then the limiting block 18 on the sliding rod 11 is simultaneously pressed by fingers, so that the friction plate 16 is separated from the supporting shell 3, and meanwhile, the sliding rod 11 can be pulled along the sliding groove 4, the shielding cloth 6 is made of polystyrene material with built-in lead foil, so that the shielding cloth 6 has a good shielding effect on rays, and the polystyrene material is equivalent material to human tissue for absorbing rays, so that the shielding cloth 6 is harmless to human body, when the sliding rod 11 is adjusted, the limiting block 18 is only required to be loosened, the limiting block 18 can press the friction plate 16 on the supporting shell 3 under the action of the pressure spring 17, so that the sliding rod 11 is limited under the friction action of the friction plate 16 and the supporting shell 3, after the size of the opening at the tail part of the supporting shell 3 is adjusted, the upper teeth and the lower teeth of a patient can respectively bite the upper dental pad 2 and the lower dental pad 9, and the lips of the patient can cling to the groove 8 on the mouth shield 1, can begin to carry out radiotherapy operation, because mouth cover 1 and the design of recess 8 for patient's mouth can be placed with normal gesture in radiotherapy process, alleviates patient's misery in radiotherapy process, improves patient's comfort level.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.