CN215025381U - Mouth ware with adjustable - Google Patents
Mouth ware with adjustable Download PDFInfo
- Publication number
- CN215025381U CN215025381U CN202120195437.0U CN202120195437U CN215025381U CN 215025381 U CN215025381 U CN 215025381U CN 202120195437 U CN202120195437 U CN 202120195437U CN 215025381 U CN215025381 U CN 215025381U
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- Prior art keywords
- dental
- model
- supporting rod
- main body
- cast
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- 238000007639 printing Methods 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims description 2
- 238000001959 radiotherapy Methods 0.000 abstract description 11
- 206010028980 Neoplasm Diseases 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 210000000214 mouth Anatomy 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 210000003128 head Anatomy 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 208000003445 Mouth Neoplasms Diseases 0.000 description 2
- 206010031096 Oropharyngeal cancer Diseases 0.000 description 2
- 206010057444 Oropharyngeal neoplasm Diseases 0.000 description 2
- 208000010727 head pressing Diseases 0.000 description 2
- 208000012987 lip and oral cavity carcinoma Diseases 0.000 description 2
- 201000006958 oropharynx cancer Diseases 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000002455 dental arch Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 210000001847 jaw Anatomy 0.000 description 1
- 210000003300 oropharynx Anatomy 0.000 description 1
- 210000003254 palate Anatomy 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model provides a buccal device with adjustable, solves the position repeatability that prior art exists poor, and the location precision is poor, often leads to normal tissue relative displacement, tumour off-target during the treatment, seriously influences the problem of treatment. Including lower dental model and last dental model, its characterized in that: the lower side of the front end of the lower dental model is provided with a lower dental arc film printing groove, and the upper side of the front end of the upper dental model is provided with an upper dental arc film printing groove; a front supporting rod and a rear supporting rod for adjusting the opening and closing angles of the lower dental cast and the upper dental cast are respectively arranged between the upper side of the front end of the lower dental cast and the lower side of the front end of the upper dental cast; the front supporting rods are vertically arranged, and the rear supporting rods are obliquely arranged inwards; the rear end of the upper dental cast is movably connected with the rear end of the lower dental cast. Its reasonable in design, compact structure can guarantee the uniformity of patient's mouth opening height when treating at every turn, and the position coincidence is good, can effectively improve the accurate nature of radiotherapy pendulum position and treatment, and it is convenient to adjust, and the suitability is strong.
Description
Technical Field
The utility model belongs to the technical field of the supplementary utensil of medical treatment, concretely relates to can guarantee the uniformity of patient's mouth opening height when handling at every turn, the position coincidence is good, can effectively improve the accurate nature of radiotherapy pendulum position and treatment, adjusts the convenience, and the ware is sucked with adjustable that the suitability is strong.
Background
The precise radiotherapy is divided into precise positioning, precise design and precise treatment, and the precise positioning is the first technology of the radiotherapy of a patient. When positioning a patient with oropharyngeal and oral cancer for radiotherapy, the oral cavity needs to be opened to the maximum extent so as to increase the distance between the upper and lower lips, the upper and lower jaws and the upper and lower gums. In addition, in the radiotherapy process of the upper palate and the upper gum, the tongue surface needs to be pressed down to the mouth bottom so as to avoid positioning errors and dosage errors caused by tongue movement; during lip radiotherapy, the tongue is required to be retracted to the oropharynx so as to avoid the tongue from being irradiated as much as possible. At present, the mouth-holding thermos bottle stopper is mainly adopted clinically, or a thermoplastic film is cut and is made into a tubular object after being melted in a water bath kettle, and the tubular object is contained in the mouth of a patient. These traditional methods all have the disadvantages of poor repeatability and poor precision; when a patient opens the mouth to plug each time, the repeated consistency of the relative positions of the incisor and the object containing the plug cannot be ensured, and the consistency of the position of the tongue cannot be ensured during each treatment. Furthermore, the relative displacement of normal tissues and the tumor off-target are often caused during treatment, the local control rate is reduced, and the treatment effect is seriously influenced. Therefore, there is a need to improve the buccal positioning method and apparatus for oral radiotherapy in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above-mentioned problem, provide one kind and can guarantee the patient and open the uniformity of mouth height when handling at every turn, the position coincidence is good, can effectively improve the accurate nature of radiotherapy pendulum position and treatment, and it is convenient to adjust, the adjustable buccal instrument that the suitability is strong.
The utility model adopts the technical proposal that: this mouth ware with adjustable includes lower dental model and last dental model, its characterized in that: the lower dental model is composed of a lower model main body, a lower dental arc film printing groove is arranged on the lower side of the front end of the lower model main body, the upper dental model is composed of an upper model main body, and an upper dental arc film printing groove is arranged on the upper side of the front end of the upper model main body; a front support rod and a rear support rod for adjusting the opening and closing angles of the lower dental cast and the upper dental cast are respectively arranged between the upper side of the front end of the lower dental cast main body of the lower dental cast and the lower side of the front end of the upper dental cast, the front support rod is vertically arranged, and the rear support rod is obliquely arranged inwards; meanwhile, the rear end of the upper die main body of the upper dental model is movably connected with the rear end of the lower die main body of the lower dental model.
The structure of preceding bracing piece and back bracing piece is the same, all includes the length adjustment swivel nut at middle part, the both ends of length adjustment swivel nut are provided with down screw rod and last screw rod respectively, and, the one end of screw rod links to each other through the internal thread hole of just revolving external screw thread and length adjustment swivel nut one end down, the one end of going up the screw rod then links to each other through the internal thread hole of the derotation of the external screw thread and the length adjustment swivel nut other end of derotation. The upper screw rods and the lower screw rods at the two ends of the front supporting rod and the rear supporting rod are driven to synchronously extend or retract through the rotation of the length adjusting threaded sleeves, and then the opening and closing angles of the upper dental cast and the lower dental cast are flexibly adjusted.
The lower ends of the lower screw rods of the front supporting rod and the rear supporting rod are respectively hinged with two groups of lower supporting rod connecting seats arranged on the lower tooth die through universal connecting ball heads; meanwhile, the upper ends of the upper screw rods of the front supporting rod and the rear supporting rod are respectively hinged with two groups of upper connecting seats of the supporting rods arranged on the upper tooth mold through universal connecting bulbs. The upper connecting seat of the supporting rod of the upper dental cast and the lower connecting seat of the supporting rod of the lower dental cast are flexibly hinged by utilizing the universal connecting ball head, so that the smoothness of the upper dental cast and the lower dental cast during the opening and closing process is effectively improved by the front supporting rod and the rear supporting rod, and the device is convenient to use.
The universal connecting ball heads at the end parts of the lower screw rod and the upper screw rod are respectively connected with the lower connecting seat of the supporting rod of the lower dental cast and the upper connecting seat of the supporting rod of the upper dental cast through ball head pressing covers and fixing screws. The connecting and fastening degree of the front supporting rod and the rear supporting rod with the upper dental cast and the lower dental cast is increased, and the use reliability of the device is improved.
The rear end of the upper die main body of the upper dental model is connected with the rear end of the lower die main body of the lower dental model in an inserting mode; the two sides at the rear part of the lower die main body of the lower dental model are respectively provided with a positioning slot, and the two sides at the rear part of the upper die main body of the upper dental model and the positions corresponding to the positioning slots are respectively provided with a positioning insertion plate. The rear end of the upper dental model is movably connected with the rear end of the lower dental model through the mutual insertion of the positioning inserting plate and the positioning inserting slot; therefore, the phenomenon that the rear ends of the upper dental model and the lower dental model are clamped in the opening and closing process is avoided, and the left and right swinging of the upper dental model and the lower dental model is effectively prevented.
The utility model has the advantages that: because the utility model adopts the lower dental model composed of the lower main body, the lower side of the front end of the lower main body is provided with the lower dental arc film printing groove, the upper dental model is composed of the upper main body, and the upper side of the front end of the upper main body is provided with the upper dental arc film printing groove; a front support rod and a rear support rod for adjusting the opening and closing angles of the lower dental model and the upper dental model are respectively arranged between the upper side of the front end of the lower dental model main body and the lower side of the front end of the upper dental model main body; the front supporting rods are vertically arranged, and the rear supporting rods are obliquely arranged inwards; the rear end of the upper dental model is movably connected with the rear end of the lower dental model, so the dental cast has reasonable design and compact structure, and is suitable for patients needing mouth opening positioning such as, but not limited to, oropharyngeal cancer, oral cancer and the like; can adjust the degree of opening according to patient or clinical demand to guarantee the uniformity of the patient height of opening when handling at every turn, the position coincidence is good, can effectively improve the accurate nature of radiotherapy pendulum position and treatment, and it is convenient to adjust, and the suitability is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is a schematic view of a construction of the lower cast of figure 1.
Fig. 3 is a view from direction a of fig. 2.
Fig. 4 is a schematic view of a structure of the upper dental mold of fig. 1.
Fig. 5 is a view from direction B of fig. 4.
Fig. 6 is an exploded view of the rear strut (front strut) of fig. 1.
Fig. 7 is a sectional view of the internal structure of fig. 1.
The sequence numbers in the figures illustrate: 1 lower dental model, 2 upper dental model, 3 front supporting rods, 4 rear supporting rods, 5 opening spaces, 6 positioning slots, 7 positioning insertion plates, 8 lower model main bodies, 9 supporting rod lower connecting seats, 10 lower dental arc-shaped film printing grooves, 11 upper model main bodies, 12 upper dental arc-shaped film printing grooves, 13 supporting rod upper connecting seats, 14 length adjusting screw sleeves, 15 lower screw rods, 16 forward external threads, 17 upper screw rods, 18 reverse external threads, 19 universal connecting ball heads, 20 ball head pressing covers, 21 fixing screws and 22 die powder.
Detailed Description
The specific structure of the present invention is described in detail with reference to fig. 1 to 7. The adjustable buccal device comprises a lower dental model 1 and an upper dental model 2, wherein a mouth opening space 5 is arranged between the upper dental model 2 and the lower dental model 1, the lower dental model 1 consists of a lower model main body 8, and a lower dental arc-shaped film printing groove 10 is arranged at the lower side of the front end of the lower model main body 8; the upper dental model 2 is composed of an upper model body 11, and an upper dental arch film printing groove 12 is arranged on the upper side of the front end of the upper model body 11. Impression powder 22 for occluding the teeth is respectively placed in the upper dental arc impression film groove 12 of the upper dental model 2 and the lower dental arc impression film groove 10 of the lower dental model 1.
The rear end of the upper die main body 11 of the upper dental model 2 is movably connected with the rear end of the lower die main body 8 of the lower dental model 1 in an inserting mode. The two sides of the rear part of the lower die main body 8 of the lower dental model 1 are respectively provided with a positioning slot 6, and the two sides of the rear part of the upper die main body 11 of the upper dental model 2 and the positions corresponding to the positioning slots 6 are respectively provided with a positioning insertion plate 7. And then the rear end of the upper dental model 2 is movably connected with the rear end of the lower dental model 1 through the mutual insertion of the positioning inserting plate 7 at the rear part of the upper dental model 2 and the positioning inserting groove 6 at the rear part of the lower dental model 1. So as to avoid the phenomenon that the rear ends of the upper dental model 2 and the lower dental model 1 are clamped in the opening and closing process; and the left and right swinging of the upper dental model 2 and the lower dental model 1 can be effectively prevented by using the limit of the positioning slot 6 to the position of the positioning inserting plate 7.
A front support rod 3 and a rear support rod 4 for adjusting the opening and closing angles of the lower dental cast 1 and the upper dental cast 2 are respectively arranged between the upper side of the front end of the lower dental cast main body 8 of the lower dental cast 1 and the lower side of the front end of the upper dental cast main body 11 of the upper dental cast 2; and, the front supporting rod 3 is vertically arranged, and the rear supporting rod 4 is obliquely arranged towards the inner side of the mouth sucking device. The front supporting rod 3 and the rear supporting rod 4 have the same structure and different lengths. The front supporting rod 3 and the rear supporting rod 4 respectively comprise a length adjusting threaded sleeve 14 in the middle, and the cross section of the length adjusting threaded sleeve 14 is hexagonal; the length adjusting screw sleeve 14 is provided at both ends thereof with a lower screw 15 and an upper screw 17, respectively. Meanwhile, one end of the lower screw 15 is connected with a positive thread internal hole at one end of the length adjusting thread insert 14 through a positive thread external thread 16; one end of the upper screw 17 is connected with a reverse-rotation internal thread hole at the other end of the length adjusting screw sleeve 14 through a reverse-rotation external thread 18. And then the upper screw 17 and the lower screw 15 at the two ends of the front supporting rod 3 and the rear supporting rod 4 are driven to synchronously extend or retract by rotating the length adjusting screw sleeve 14, so that the opening and closing angles of the upper dental model 2 and the lower dental model 1 can be flexibly adjusted.
The lower ends of the lower screw rods 15 of the front supporting rod 3 and the rear supporting rod 4 are respectively hinged with two groups of lower supporting rod connecting seats 9 arranged on the lower tooth die 1 through universal connecting bulbs 19; and the upper ends of the upper screw rods 17 of the front supporting rod 3 and the rear supporting rod 4 are respectively hinged with two groups of upper connecting seats 13 of the supporting rods arranged on the upper tooth die 2 through universal connecting bulbs 19. The upper connecting seat 13 of the supporting rod of the upper dental cast 2 and the lower connecting seat 9 of the supporting rod of the lower dental cast 1 are flexibly hinged by utilizing the universal connecting ball head 19, so that the smoothness of the upper dental cast 2 and the lower dental cast 1 in the opening and closing process is effectively improved by the front supporting rod 3 and the rear supporting rod 4, and the use of the device is facilitated. In addition, in order to improve the use reliability of the device, the universal connecting ball 19 at the end parts of the lower screw rod 15 and the upper screw rod 17 are also connected with the lower connecting seat 9 of the strut of the lower dental cast 1 and the upper connecting seat 13 of the strut of the upper dental cast 2 through a ball gland 20 and a fixing screw 21 respectively; to increase the fastening degree of the front and rear support rods 3 and 4 to the upper and lower dental casts 2 and 1.
When the adjustable mouth piece is used for radiotherapy positioning, firstly, the rear end of the upper dental model 2 is movably connected with the rear end of the lower dental model 1 by the mutual insertion of the positioning inserting plate 7 at the rear part of the upper dental model 2 and the positioning inserting groove 6 at the rear part of the lower dental model 1. Then, in the upper dental arch-shaped impression film groove 12 of the upper dental model 2 and the lower dental arch-shaped impression film groove 10 of the lower dental model 1, impression powders 22 for occluding the dental cast are respectively placed. Then, the patient can be put in the body position and the lower jaw is lifted; the buccal device is placed in the oral cavity of a patient, the teeth of the patient are forced to bite into the upper tooth arc-shaped film printing groove 12 and the lower tooth arc-shaped film printing groove 10 of the upper dental model 2 and the lower dental model 1, and then the impression powder 22 in the arc-shaped film printing grooves is utilized to form an occlusion tooth form, so that when positioning and treatment are guaranteed, the teeth and the upper dental model 2 and the lower dental model 1 of the buccal device are in relative positions. Then, the upper screw rods 17 and the lower screw rods 15 at the two ends of the front supporting rod 3 and the rear supporting rod 4 synchronously extend out by rotating the length adjusting screw sleeves 14 on the front supporting rod 3 and the rear supporting rod 4, so that the mouth of the patient is opened to the maximum extent by changing the opening and closing angles of the upper dental cast 2 and the lower dental cast 1; further, the dental treatment is performed through the mouth-open space 5 formed between the upper dental cast 2 and the lower dental cast 1.
Claims (5)
1. The utility model provides a mouth ware with adjustable, includes lower dental model (1) and last dental model (2), its characterized in that: the lower dental model (1) is composed of a lower model main body (8), a lower dental arc-shaped film printing groove (10) is formed in the lower side of the front end of the lower model main body (8), the upper dental model (2) is composed of an upper model main body (11), and an upper dental arc-shaped film printing groove (12) is formed in the upper side of the front end of the upper model main body (11); a front supporting rod (3) and a rear supporting rod (4) which are used for adjusting the opening and closing angles of the lower dental cast (1) and the upper dental cast (2) are respectively arranged between the upper side of the front end of a lower dental cast main body (8) of the lower dental cast (1) and the lower side of the front end of an upper dental cast main body (11) of the upper dental cast (2), the front supporting rod (3) is vertically arranged, and the rear supporting rod (4) is obliquely arranged inwards; meanwhile, the rear end of an upper die main body (11) of the upper dental model (2) is movably connected with the rear end of a lower die main body (8) of the lower dental model (1).
2. The adjustable mouthpiece of claim 1, wherein: the structure of preceding bracing piece (3) and back bracing piece (4) is the same, all includes length adjustment swivel nut (14) at middle part, the both ends of length adjustment swivel nut (14) are provided with down screw rod (15) and last screw rod (17) respectively, and, the one end of lower screw rod (15) is passed through positive spiral external screw thread (16) and is linked to each other with the positive spiral internal thread hole of length adjustment swivel nut (14) one end, the one end of going up screw rod (17) then links to each other through the anti-spiral internal thread hole of anti-spiral external screw thread (18) and length adjustment swivel nut (14) other end.
3. The adjustable mouthpiece of claim 2, wherein: the lower ends of lower screw rods (15) of the front supporting rod (3) and the rear supporting rod (4) are respectively hinged with two groups of lower supporting rod connecting seats (9) arranged on the lower tooth die (1) through universal connecting bulbs (19); meanwhile, the upper ends of the upper screw rods (17) of the front supporting rod (3) and the rear supporting rod (4) are respectively hinged with two groups of upper connecting seats (13) of the supporting rods arranged on the upper dental model (2) through universal connecting bulbs (19).
4. The adjustable mouthpiece of claim 3, wherein: the universal connecting ball heads (19) at the end parts of the lower screw rod (15) and the upper screw rod (17) are respectively connected with the lower connecting seat (9) of the support rod of the lower dental cast (1) and the upper connecting seat (13) of the support rod of the upper dental cast (2) through a ball head gland (20) and a fixing screw (21).
5. The adjustable mouthpiece of claim 1, wherein: the rear end of an upper die main body (11) of the upper dental model (2) is connected with the rear end of a lower die main body (8) of the lower dental model (1) in an inserting way; the both sides at lower mould main part (8) rear portion of lower dental model (1) are provided with location slot (6) respectively, go up the both sides at last mould main part (11) rear portion of dental model (2), with the corresponding position of location slot (6), still be provided with location picture peg (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120195437.0U CN215025381U (en) | 2021-01-25 | 2021-01-25 | Mouth ware with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120195437.0U CN215025381U (en) | 2021-01-25 | 2021-01-25 | Mouth ware with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215025381U true CN215025381U (en) | 2021-12-07 |
Family
ID=79252173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120195437.0U Expired - Fee Related CN215025381U (en) | 2021-01-25 | 2021-01-25 | Mouth ware with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215025381U (en) |
-
2021
- 2021-01-25 CN CN202120195437.0U patent/CN215025381U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |