CN110693447B - Oral radiographic imaging mouth stopper - Google Patents
Oral radiographic imaging mouth stopper Download PDFInfo
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- CN110693447B CN110693447B CN201910966741.8A CN201910966741A CN110693447B CN 110693447 B CN110693447 B CN 110693447B CN 201910966741 A CN201910966741 A CN 201910966741A CN 110693447 B CN110693447 B CN 110693447B
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- 238000003384 imaging method Methods 0.000 title description 2
- 210000000214 mouth Anatomy 0.000 claims description 19
- 230000006978 adaptation Effects 0.000 claims description 5
- 210000004513 dentition Anatomy 0.000 abstract description 24
- 230000036346 tooth eruption Effects 0.000 abstract description 24
- 230000033001 locomotion Effects 0.000 abstract description 13
- 238000007408 cone-beam computed tomography Methods 0.000 abstract description 10
- 210000004373 mandible Anatomy 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 210000004283 incisor Anatomy 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000028911 Temporomandibular Joint disease Diseases 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 210000001738 temporomandibular joint Anatomy 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004763 bicuspid Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001847 jaw Anatomy 0.000 description 1
- 210000003784 masticatory muscle Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
- A61B6/512—Intraoral means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
本发明提供一种口腔放射影像采集用开口限位器，包括外壳、上咬板、升降组件、垂直向调节旋钮、下咬板、前伸组件和矢状向调节旋钮，外壳内设有容室，容室内设有升降组件和前伸组件，设于升降组件上，外壳的一个侧部设有升降孔和前伸孔，升降组件穿过升降孔连接上咬板，前伸组件穿过前伸孔连接下咬板，外壳的顶部或底部设有第一调节孔，垂直向调节旋钮穿过第一调节孔连接升降组件，外壳的另一个侧部设有第二调节孔，矢状向调节旋钮穿过第二调节孔连接前伸组件；本发明能够为患者上牙列与下牙列不接触时提供支持，从而保持上牙列与下牙列较长时间静止，避免在采集影像时，上牙列与下牙列运动的发生，进而保证CBCT影像采集能够得到清晰的影像结果。
The present invention provides an opening limiter for oral radiographic image acquisition, comprising a shell, an upper bite plate, a lifting component, a vertical adjustment knob, a lower bite plate, a forward extension component and a sagittal adjustment knob. A containing chamber is provided in the shell, and a lifting component and a forward extension component are provided in the containing chamber. The lifting component is arranged on the lifting component, and a lifting hole and a forward extension hole are provided on one side of the shell. The lifting component is connected to the upper bite plate through the lifting hole, and the forward extension component is connected to the lower bite plate through the forward extension hole. A first adjustment hole is provided on the top or bottom of the shell, and the vertical adjustment knob is connected to the lifting component through the first adjustment hole. A second adjustment hole is provided on the other side of the shell, and the sagittal adjustment knob is connected to the forward extension component through the second adjustment hole. The present invention can provide support for the patient's upper dentition when the lower dentition is not in contact, thereby keeping the upper dentition and the lower dentition still for a long time, avoiding the movement of the upper dentition and the lower dentition when acquiring images, thereby ensuring that CBCT image acquisition can obtain clear image results.
Description
Technical Field
The invention relates to an opening limiter for collecting an oral cavity radiation image.
Background
The mandible of a person has multidirectional movement capacities such as stretching forwards, up and down, left and right and the like when opening due to the anatomical structures of masticatory muscles and temporomandibular joints. When the maxillary dentition and the mandibular dentition are not in contact, it is difficult to maintain a static state at a certain position for a long time.
In the stomatology examination, the capability of shooting a three-dimensional image with high precision in the CBCT examination becomes a necessary means in diagnosis and treatment processes such as the diagnosis of the temporomandibular joint disease, the measurement of the bone mass planted in the oral cavity, the manufacture of a 3D printing guide plate and the like which are most commonly used. In taking CBCT examinations, the patient is required to remain stationary for a long period of time to acquire images, and in temporomandibular joint examinations, it is also often necessary to observe the articulation of the patient's mandible at different opening positions. However, during the examination, it is difficult for the patient to remain stationary at a certain open position, especially for the edentulous patient to remain stationary at the normal rest bite site for a long period of time. In this way, during the acquisition, if the patient's mandible moves, artifacts exist in the acquired image, which adversely affects the acquired image, affects the diagnosis of temporomandibular joint disease or the normal performance of bone mass measurement in oral cavity, and even requires the image to be acquired again. For example, in the case of 3D print guide fabrication, the problem arises that it is difficult for a designer to separate the upper and lower teeth in software due to artifacts generated in CBCT images in high-density enamel, and the need to re-capture images occurs.
These clinical demands all require that the patient be assisted in keeping the mandible still while the patient is open during the taking of CBCT examinations, and no CBCT examination assistance device is currently available that can be individually adapted to different patient sizes and different opening positions.
The above problems are to be considered and solved in the design and production process of the opening limiter for collecting the oral radiological image.
Disclosure of Invention
The invention aims to provide an opening limiter for collecting an oral cavity radiological image, which solves the problem that a patient is required to be not contacted with an upper dentition and a lower dentition or is required to keep a certain opening position to be difficult to be static when the prior CBCT examination is carried out.
The technical scheme of the invention is as follows:
The utility model provides an oral cavity radiological image gathers and uses opening stopper, which comprises a housing, upward bite the board, lifting unit, vertical direction adjust knob, down bite the board, reach subassembly and sagittal direction adjust knob, be equipped with the appearance room in the shell, hold indoor lifting unit and reach the subassembly, locate on the lifting unit, a lateral part of shell is equipped with the lifting hole and reaches the hole forward, lifting unit passes the lifting hole and connects to bite the board, reach the subassembly and pass and reach down bite the board down, the top or the bottom of shell are equipped with first adjust hole, vertical direction adjust knob passes first adjust hole and connects lifting unit, another lateral part of shell is equipped with the second adjust hole, sagittal direction adjust knob passes the second adjust hole and connects to reach the subassembly forward.
Optionally, the lifting assembly comprises a lifting rod, a vertical sliding block and an upper buckle, wherein the upper buckle penetrates through the lifting hole to be connected with the upper biting plate, the upper buckle is arranged on the vertical sliding block, the vertical sliding block is provided with a first screw hole, the first screw hole is vertically arranged on the plane where the upper biting plate is located, the middle part of the lifting rod is provided with a first external thread matched with the first screw hole, the two ends of the lifting rod are respectively movably connected with the top and the bottom of the shell, and one end part of the lifting rod also penetrates through the first adjusting hole to be connected with the vertical adjusting knob.
Optionally, a first guide rail is arranged on the inner side of the shell, a first guide groove matched with the guide rail is arranged on the side part of the vertical sliding block, and the first guide groove is arranged in parallel with the first screw hole.
Optionally, the forward extending component comprises a forward extending rod, a sagittal sliding block, a fork arm and a lower buckle, the lower buckle penetrates through the forward extending hole to be connected with the lower biting plate, the lower buckle is connected with one end of the fork arm, the other end of the fork arm is connected with the sagittal sliding block, the sagittal sliding block is provided with a second screw hole, the second screw hole is parallel to the plane where the lower biting plate is located, the forward extending rod is provided with a second external thread matched with the second screw hole, and one end part of the forward extending rod penetrates through the second adjusting hole to be connected with the sagittal adjusting knob.
Optionally, the sagittal slide block and the fork arms together form a through hole for the lifting rod to pass through.
Optionally, a second guide rail is arranged on the inner side of the shell, a second guide groove matched with the second guide rail is arranged on the side portion of the fork arm, and the second guide groove is parallel to the second screw hole.
Optionally, the end connection of lower buckle stings the board down, and the lower surface of stings the board down is equipped with the lower recess, and the both sides of going up the buckle are connected respectively and are stings the board, goes up the last stings the board of buckle both sides and forms the splayed jointly, and goes up to stings and form the holding tank that is used for holding down stings the board between the board, goes up the upper surface of stings the board and is equipped with the upper groove.
Optionally, the ends of the upper buckle and the lower buckle are respectively provided with an elastic clamping plate, the elastic clamping plates, the upper buckle and the lower buckle form buffer grooves respectively, the ends of the elastic clamping plates are provided with limiting protrusions, the vertical sliding block and the fork arms are respectively provided with clamping holes for accommodating the elastic clamping plates, and the clamping holes are respectively communicated with the end face or the through hole of the vertical sliding block.
Optionally, the vertical direction adjust knob is the same with sagittal direction adjust knob's structure, the vertical direction adjust knob is including linking the platform, the knob inside casing, knob frame and connecting screw, even the platform adopts square even the platform, the tip of lifter is located to the one end of linking the platform, the other end of linking the platform is equipped with the connecting screw, the knob inside casing includes roof and square post, the end connection of square post is at the middle part of roof, roof and square post form T shape, the roof is equipped with the round hole, square post is equipped with the square even hole with linking the platform adaptation, round hole and square even hole intercommunication, the middle part of knob outside casing is equipped with the first bayonet socket that is used for holding the roof and the second bayonet socket that is used for square post to pass, the width of first bayonet socket is greater than the width of second bayonet socket, the height of first bayonet socket is greater than the height of roof, even platform passes first adjust hole and penetrates square even downthehole of square post, connecting screw passes the round hole and screw thread penetrates and connects the screw.
Optionally, the first regulation hole and the second regulation hole of shell are equipped with the closure piece respectively, and the closure piece includes annular platform, and annular platform and first regulation hole or second regulation hole set up with one heart, and the top surface of annular platform encircles and is equipped with a plurality of screens limit groove, and the knob frame is equipped with the screens platform, screens platform and screens limit groove adaptation.
The opening limiter for collecting the oral cavity radiological image has the beneficial effects that the opening limiter can provide support for the upper dentition and the lower dentition of a patient when the upper dentition and the lower dentition are not contacted, so that the upper dentition and the lower dentition are kept static for a long time, the occurrence of movement of the upper dentition and the lower dentition when the image is collected is avoided, and further, the CBCT image collection can obtain a clear image result.
Drawings
FIG. 1 is a schematic view showing the structure of an opening stopper for collecting an oral radiological image according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the casing and the vertical adjustment knob and the sagittal adjustment knob according to the embodiment;
FIG. 3 is a schematic view of another embodiment of an opening limiter for acquiring an oral radiological image according to the present invention;
FIG. 4 is a schematic diagram of a lifting assembly and a forward extending assembly according to an embodiment;
FIG. 5 is a schematic view of another structure of the lifting assembly and the forward extending assembly according to the embodiment;
FIG. 6 is a schematic view of the structure of the lifting assembly, the forward extending assembly, the first rail, and the second rail according to the embodiment;
FIG. 7 is a schematic diagram of the structure of the upper buckle when the upper buckle is clamped with the vertical sliding block in the embodiment;
FIG. 8 is a schematic view of the structure of the upper buckle separated from the vertical slider in the embodiment;
FIG. 9 is a schematic diagram illustrating a structure of the lower buckle and the sagittal slider when engaged in the example;
FIG. 10 is a schematic view of the structure of the lower buckle separated from the sagittal slide block according to the embodiment;
FIG. 11 is a schematic view showing the structure of a specific example of the vertical adjustment knob in the embodiment;
FIG. 12 is a schematic view showing the structure of another specific example of the vertical adjustment knob in the embodiment;
FIG. 13 is a schematic view of the vertical adjustment knob and locking element of the embodiment shown in an open configuration;
FIG. 14 is a schematic view of the embodiment wherein the vertical adjustment knob is locked to the locking element;
The device comprises a 1-shell, a 2-upper biting plate, a 3-lifting component, a 4-vertical adjusting knob, a 5-lower biting plate, a 6-forward component, a 7-sagittal adjusting knob, an 8-first guide rail, a 9-second guide rail, a 10-inner limiting plate, an 11-outer limiting plate, a 12-upper groove, a 13-lower groove, a 14-lifting hole, a 15-forward hole, a 16-containing groove, a 17-clamping hole, an 18-elastic clamping plate, a 19-buffer groove and a 20-limiting bulge, wherein the upper end of the upper biting plate is provided with a first concave groove;
31-lifting rods, 32-vertical sliding blocks, 33-upper buckles, 34-first external threads, 35-first screw holes and 36-first guide grooves;
41-rotating holes I, 42-protruding edges I, 43-strip-shaped grooves I, 44-connecting platforms, 45-knob inner frames, 46-knob outer frames, 47-connecting screws, 48-round holes, 49-first bayonets, 410-first bayonets, 411-annular platforms, 412-clamping edge grooves and 413-clamping platforms;
451-top plate, 452-square column, 453-square connecting hole;
61-of an anterior extension rod, 62-of a sagittal slide block, 63-of a second external thread, 64-of a second screw hole, 65-of a fork arm, 66-of a lower buckle, 67-of a through hole, 68-of a second guide slot.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
The utility model provides an opening limiter for collecting oral cavity radiological image, including shell 1, upper biting plate 2, lifting unit 3, vertical direction adjust knob 4, lower biting plate 5, reach subassembly 6 and sagittal direction adjust knob 7, be equipped with the appearance room in the shell 1, hold indoor lifting unit 3 and the preceding subassembly 6 of stretching, locate on the lifting unit 3, one lateral part of shell 1 is equipped with lifting hole 14 and reach hole 15, lifting unit 3 passes lifting hole 14 and connects upper biting plate 2, reach subassembly 6 and pass reach hole 15 and connect lower biting plate 5, the top or the bottom of shell 1 is equipped with first regulation hole, vertical direction adjust knob 4 passes first regulation hole and connects lifting unit 3, another lateral part of shell 1 is equipped with the second regulation hole, sagittal direction adjust knob 7 passes the second regulation hole and connects reach subassembly 6.
This kind of oral cavity radiological image gathers and uses opening stopper can provide support when being contactless for patient's last dentition and lower dentition to keep last dentition and lower dentition static for a long time, avoid when gathering the image, go up dentition and lower dentition motion's emergence, and then guarantee that CBCT image acquisition can obtain clear image result.
In this kind of oral cavity radiological image gathers with opening stopper, lifting assembly 3 includes lifter 31, perpendicular to slider 32 and last buckle 33, go up buckle 33 and pass lifting hole 14 and connect to bite the board 2, go up buckle 33 and locate perpendicularly to on the slider 32, perpendicular to slider 32 is equipped with first screw 35, first screw 35 sets up perpendicularly with last bite the plane that board 2 is located, the middle part of lifter 31 is equipped with the first external screw 34 with first screw 35 adaptation, the both ends of lifter 31 swing joint top and the bottom of shell 1 respectively, an tip of lifter 31 still passes first regulation hole and connects perpendicular to adjust knob 4.
This kind of oral cavity radiological image gathers and uses opening stopper through rotatory perpendicular to adjust knob 4, and then drives the rotation of lifter 31, and lifter 31 drives perpendicular to the perpendicular removal of slider 32, and then drives the perpendicular removal of going up buckle 33 and last bite plate 2 to realize the control of the perpendicular position regulation of last bite plate 2, and then through the perpendicular distance of control upper bite plate 2 and lower bite plate 5, can accurate regulation patient upper and lower opening interval, adaptation patient's different jawbone sizes and doctor's inspection requirement.
In this type of opening limiter for acquiring an oral radiological image, the pitch of the first external thread 34 of the lifter 31 is relatively narrow, preferably 2mm, so that the distance can be finely adjusted, and the patient is hard to cause a positional shift when biting. Further, a height scale may be provided in the elevation hole 14 of the housing 1, so that the vertical position of the conventional inspection can be reproduced in the inspection.
In one embodiment, the inner side of the housing 1 is provided with a first guide rail 8, the side of the vertical slider 32 is provided with a first guide groove 36 adapted to the guide rail, and the first guide groove 36 is arranged in parallel with the first screw hole 35. By providing the first guide rail 8 and the first guide groove 36, the vertical movement of the vertical slider 32 is guided, the accuracy of the movement direction is ensured, the movement of the vertical slider 32 beyond the vertical direction is limited, and the deformation resistance is enhanced.
In one embodiment, the lifting hole 14 is a bar-shaped hole, and the lifting hole 14 facilitates the vertical movement of the upper buckle 33. The upper buckle 33 is used for connecting the upper biting plate 2, the lower buckle 66 is used for connecting the lower biting plate 5, the upper biting plate 2 and the lower biting plate 5 can be quickly installed and dismounted, and replacement operation is facilitated.
The forward extending component 6 comprises a forward extending rod 61, a sagittal sliding block 62, a fork arm 65 and a lower buckle 66, the lower buckle 66 penetrates through the forward extending hole 15 to be connected with the lower biting plate 5, the lower buckle 66 is connected with one end of the fork arm 65, the other end of the fork arm 65 is connected with the sagittal sliding block 62, the sagittal sliding block 62 is provided with a second screw hole 64, the second screw hole 64 is parallel to the plane of the lower biting plate 5, the forward extending rod 61 is provided with a second external thread 63 matched with the second screw hole 64, and one end of the forward extending rod 61 penetrates through the second adjusting hole to be connected with the sagittal adjusting knob 7.
The opening limiter for collecting the oral cavity radiological image drives the forward extending rod 61 to rotate by rotating the sagittal adjusting knob 7, further drives the sagittal sliding block 62 to move sagittal, drives the fork arm 65 to move sagittal, and further drives the lower buckle 66 and the lower biting plate 5 to move sagittal. The forward extending position of the lower biting plate 5 is controlled, so that the forward extending movement amplitude of the lower jaw at the opening of the patient can be accurately adjusted, and the requirements of different jaw sizes of the patient and examination by doctors are met.
In this type of opening stopper for acquiring an oral radiological image, the pitch of the second external thread 63 of the forward extending rod 61 is relatively narrow, preferably 1mm, and the distance can be finely adjusted, and the patient is hard to cause a positional shift when biting. Further, a reach scale may be provided at the fork arm 65, enabling reproduction of the reach position of the past examination in the review.
In one embodiment, sagittal slider 62 and fork arm 65 together form a through hole 67 for lifting rod 31 to pass through, and through the arrangement of through hole 67, the setting of lifting rod 31 is facilitated, and the compact overall structure, small size and excessive overall volume of avoiding are realized.
In one embodiment, the inner side of the housing 1 is provided with a second guide rail 9, the side of the fork arm 65 is provided with a second guide groove 68 adapted to the second guide rail 9, and the second guide groove 68 is arranged parallel to the second screw hole 64. By providing the second guide rail 9 and the second guide groove 68, the sagittal movement of the fork arm 65 is guided, the accuracy of the movement direction is ensured, the sagittal movement of the fork arm 65 is limited, and the deformation resistance is enhanced.
In one embodiment, the two sides of the inner side of the housing 1 are provided with the second guide rails 9, the two sides of the fork arms 65 are respectively provided with the second guide grooves 68, and the front extending holes 15 are used for the lower buckle 66 to pass through the fork arms 65, so that a space for sagittal sliding is reserved.
In this kind of mouth stopper for collecting oral cavity radiological image, as shown in fig. 6, the end connection of lower buckle 66 stings board 5 down, go up buckle 33's both sides and connect respectively and stings board 2, go up buckle 33 both sides and bite board 2 and form the splayed jointly, and go up and form the holding tank 16 that is used for holding down stings board 5 between the board 2, down stings the length of board 5 and is little, preferably 2-5cm, the holding tank 16 that has left enough embedding down stings board 5 in the middle of the upper stings board 2 of both sides, as shown in fig. 5, lower buckle 66 preferably adopts the L shape, consequently can pass through from the crisscross when continuously approaching until the coincidence, make it coincide to the coplanar, and then can adapt to less open position.
As shown in fig. 6, the upper surface of the upper biting plate 2 is provided with an upper groove 12, and the lower surface of the lower biting plate 5 is provided with a lower groove 13, so that the upper jaw incisors can be conveniently in static contact with the upper biting plate 2 and the lower jaw incisors can be conveniently prevented from being displaced. The upper biting plate 2 and the lower biting plate 5 are made of medical plastic materials, have no biotoxicity, do not cause blocking and artifact which interfere with CBCT imaging, are preferably disposable, and are safe and sanitary.
As shown in fig. 7 and 9, the ends of the upper buckle 33 and the lower buckle 66 are respectively provided with an elastic clamping plate 18, the elastic clamping plates 18, the upper buckle 33 and the lower buckle 66 respectively form a buffer groove 19, the ends of the elastic clamping plates 18 are vertically provided with a limiting protrusion 20, the vertical sliding block 32 and the fork arms 65 are respectively provided with a clamping hole 17 for accommodating the elastic clamping plates 18, and the clamping holes 17 are respectively communicated with the end face or through hole 67 of the vertical sliding block 32.
The upper buckle 33 is clamped with the vertical sliding block 32 through the elastic clamping plate 18 and the limiting bulge 20, the lower buckle 66 is clamped with the sagittal sliding block 62 through the elastic clamping plate 18 and the limiting bulge 20, specifically, when the clamping is needed, the elastic clamping plate 18 and the limiting bulge 20 extend into the clamping hole 17 and the limiting bulge 20 is embedded into the clamping hole 21 to complete the clamping, when the separating is needed, a thin rod or a straight screwdriver or the like is used for pressing the limiting bulge 20 towards the direction of the buffer groove 19, after the limiting bulge 20 completely enters the clamping hole 21, the upper buckle 33 and the lower buckle 66 are pulled out towards the direction away from the clamping hole 17, as shown in fig. 8 and 10.
Through setting up buckle 33 and lower buckle 66, be convenient for go up to bite the board, bite the board down with perpendicular to slider 32, sagittal to slider 62's installation and dismantlement to be convenient for change when using disposable upper and lower biting the board, be convenient for install and dismantle when using sterilizable upper and lower biting the board, labour saving and time saving. By providing the buffer slot 19, space is provided for movement of the resilient clip 18.
The specific use process of the opening limiter for collecting the oral cavity radiological images comprises the steps of firstly arranging a CT shooting position of a patient, rotating and adjusting a vertical adjusting knob 4, adjusting the distance between an upper biting plate 2 and a lower biting plate 5 to a required vertical height during shooting, rotating and adjusting a sagittal adjusting knob 7, and adjusting the lower biting plate 5 to a required forward or backward position during shooting of the mandible of the patient. The patient bites the upper and lower biting plates 5 lightly, the incisors on the two sides of the upper jaw are contacted with the grooves on the upper surface of the upper biting plate 2 until premolars (corresponding position tooth groove crests when teeth are missing), the incisors on the lower jaw are contacted with the grooves on the lower surface of the lower biting plate 5, at the moment, the lower jaw of the patient is positioned at the required biting position, the upper and lower biting plates 5 can be kept still by lightly biting, the rest time required by CT shooting is maintained, finally the CT image of the maxillofacial region is shot according to the required requirement, the smooth proceeding of the acquisition process is ensured, and the definition of the acquired image is ensured.
In one embodiment, the casing 1 adopts a cuboid, a patient facing surface is taken as a rear surface, a surface opposite to the rear surface is taken as a front surface, a surface corresponding to the head top direction of the patient is taken as an upper surface, a round hole with an annular groove is embedded in the upper surface to be provided with a vertical adjusting knob 4, a sagittal adjusting knob 7 is embedded in the front surface, and a lifting hole 14 is formed by windowing the rear surface to accommodate the moving space of the connecting rod.
In one embodiment, as shown in fig. 11, the vertical adjustment knob 4 is a cylinder with a bar-shaped groove on the inner side, the bar-shaped groove is arranged around the vertical adjustment knob 4, the vertical adjustment knob 4 can only rotate axially, the vertical adjustment knob 4 is provided with a first rotating hole 41, a plurality of first protruding edges 42 are arranged on the inner side of the first rotating hole 41 of the vertical adjustment knob 4, a plurality of bar-shaped grooves 43 matched with the first protruding edges 42 are arranged on the end part of the lifting rod 31, and the end part of the lifting rod 31 penetrates into the first rotating hole 41 of the vertical adjustment knob 4. The outer side of the vertical adjusting knob 4 can be provided with a convex edge, so that the rotation is convenient.
The sagittal adjusting knob 7 is a cylinder with the same structure as the vertical adjusting knob 4, the rotating shaft of the sagittal adjusting knob 7 is perpendicular to the vertical adjusting knob 4, the sagittal adjusting knob 7 is provided with a second rotating hole, a plurality of second ribs are arranged on the inner side of the second rotating hole of the sagittal adjusting knob 7, a plurality of strip-shaped grooves which are matched with the second ribs are arranged on the end part of the front extending rod 61, and the end part of the front extending rod 61 penetrates into the second rotating hole of the sagittal adjusting knob 7.
The end of the lifting rod 31 is provided with an inner limiting plate 10 and an outer limiting plate 11, and the inner limiting plate 10 and the outer limiting plate 11 are respectively arranged on the inner side and the outer side of the shell 1, so that the purpose of limiting the lifting rod 31 in the shell 1 is achieved.
In another embodiment, the structure of the vertical adjusting knob 4 is the same as that of the sagittal adjusting knob 7, as shown in fig. 12, the vertical adjusting knob 4 includes a connecting table 44, a knob inner frame 45, a knob outer frame 46 and a connecting screw 47, as shown in fig. 13 and 14, the connecting table 44 adopts a square connecting table 44, one end of the connecting table 44 is arranged at the end of the lifting rod 31, the other end of the connecting table 44 is provided with a connecting screw hole, the knob inner frame 45 includes a top plate 451 and a square column 452, the end of the square column 452 is connected at the middle part of the top plate 451, the top plate 451 and the square column 452 form a T shape, the top plate 451 is provided with a round hole 48, the square column 452 is provided with a square connecting hole 453 matched with the connecting table 44, the round hole 48 is communicated with the square connecting hole 453, the middle part of the knob outer frame 46 is provided with a first bayonet 49 for accommodating the top plate 451 and a second bayonet 410 for the square column 452 to pass through, the first bayonet 49 is communicated with the second bayonet 410, the width of the first bayonet 49 is larger than the width of the second bayonet 410, the height of the first bayonet 49 is larger than the height of the top plate 451, the top plate 451 is provided, the round hole is provided with the square column 452, the round hole is provided with the square hole 48 is matched with the square connecting screw hole 48, and the connecting screw hole 48 passes through the round hole 453.
As shown in fig. 13 and 14, locking elements are respectively disposed at the first adjusting hole and the second adjusting hole of the housing 1, the locking elements include an annular table 411, the annular table 411 and the first adjusting hole or the second adjusting hole are concentrically disposed, a plurality of clamping side slots 412 are circumferentially disposed on the top surface of the annular table 411, a clamping table 413 is disposed on the knob outer frame 46, and the clamping table 413 is adapted to the clamping side slots 412.
As shown in fig. 13, when the lifting rod 31 needs to be rotated by the vertical adjusting knob 4, the knob outer frame 46 is pulled up, so that the clamping table 413 of the knob outer frame 46 is separated from the clamping edge groove 412, unlocking is achieved, and the knob outer frame 46 drives the knob inner frame 45 and then drives the connecting table 44, so that the lifting rod 31 rotates.
As shown in fig. 14, when the lifting rod 31 does not need to be rotated by the vertical adjustment knob 4, the knob outer frame 46 is pressed down, so that the clamping table 413 of the knob outer frame 46 is clamped into the clamping edge groove 412, and the clamping edge groove 412 clamps the clamping table 413, thereby locking the knob outer frame 46 and realizing the purpose that the knob outer frame 46 cannot rotate.
Through setting up the closure piece, can realize locking and unblock to the quick closure of perpendicular to adjust knob 4, can lock to adjust knob 4 perpendicularly when not needing to rotate, avoid perpendicular to adjust knob 4's rotation, and then avoid the removal of upper biting plate in the use, guarantee going on smoothly of use.
Claims (5)
1. The opening limiter for collecting the oral cavity radiological images is characterized by comprising a shell, an upper biting plate, a lifting assembly, a vertical adjusting knob, a lower biting plate, a forward extending assembly and a sagittal adjusting knob, wherein a containing chamber is arranged in the shell, the lifting assembly and the forward extending assembly are arranged in the containing chamber and are arranged on the lifting assembly, one side part of the shell is provided with a lifting hole and a forward extending hole, the lifting assembly penetrates through the lifting hole to be connected with the upper biting plate, the forward extending assembly penetrates through the forward extending hole to be connected with the lower biting plate, the top or bottom of the shell is provided with a first adjusting hole, the vertical adjusting knob penetrates through the first adjusting hole to be connected with the lifting assembly, the other side part of the shell is provided with a second adjusting hole, and the sagittal adjusting knob penetrates through the second adjusting hole to be connected with the forward extending assembly;
The lifting assembly comprises a lifting rod, a vertical sliding block and an upper buckle, wherein the upper buckle penetrates through the lifting hole to be connected with the upper biting plate, the upper buckle is arranged on the vertical sliding block, the vertical sliding block is provided with a first screw hole, the first screw hole is vertically arranged on a plane where the upper biting plate is positioned, the middle part of the lifting rod is provided with a first external thread matched with the first screw hole, the two ends of the lifting rod are respectively and movably connected with the top and the bottom of the shell, and one end part of the lifting rod also penetrates through the first adjusting hole to be connected with the vertical adjusting knob;
The front extension assembly comprises a front extension rod, a sagittal sliding block, a fork arm and a lower buckle, wherein the lower buckle penetrates through a front extension hole to be connected with a lower biting plate, the lower buckle is connected with one end of the fork arm, the other end of the fork arm is connected with the sagittal sliding block, the sagittal sliding block is provided with a second screw hole, the second screw hole is parallel to the plane where the lower biting plate is located, the front extension rod is provided with a second external thread matched with the second screw hole, one end part of the front extension rod penetrates through a second adjusting hole to be connected with a sagittal adjusting knob;
The ends of the upper buckle and the lower buckle are respectively provided with an elastic clamping plate, the elastic clamping plates, the upper buckle and the lower buckle form buffer grooves respectively, the ends of the elastic clamping plates are provided with limiting protrusions, the vertical sliding block and the fork arms are respectively provided with clamping holes for accommodating the elastic clamping plates, and the clamping holes are respectively communicated with the end face or the through hole of the vertical sliding block;
The vertical adjusting knob is the same with sagittal adjusting knob's structure, vertical adjusting knob is including linking the platform, the knob inside casing, knob frame and connecting screw, even the platform adopts square even the platform, the tip of lifter is located to the one end of linking the platform, the other end of linking the platform is equipped with the connecting screw, the knob inside casing includes roof and square post, the end connection of square post is at the middle part of roof, roof and square post form T shape, the roof is equipped with the round hole, square post is equipped with the square even hole with linking the platform adaptation, the round hole links the hole intercommunication with square, the middle part of knob outside casing is equipped with the first bayonet socket that is used for holding the roof and is used for square post to pass the second bayonet socket, the width of first bayonet socket is greater than the width of second bayonet socket, the height of first bayonet socket is greater than the height of roof, even the platform passes first adjusting hole and penetrates square even downthehole of square post, connecting screw passes the round hole and screw thread and penetrates and connect the screw.
2. The oral cavity radiological image acquisition opening limiter of claim 1, wherein a first guide rail is provided on an inner side of the housing, a first guide groove is provided on a side portion of the vertical slider, the first guide groove being adapted to the guide rail, and the first guide groove being provided in parallel with the first screw hole.
3. The oral radiological image acquisition aperture stop of claim 1 wherein the sagittal slide and the fork arm together form a through hole for the lifting rod to pass through.
4. The oral cavity radiological image acquisition opening stopper according to claim 1, wherein the second guide rail is provided on the inner side of the housing, and a second guide groove is provided on the side of the fork arm, the second guide groove being adapted to the second guide rail, and the second guide groove being provided in parallel with the second screw hole.
5. The oral cavity radiological image acquisition opening limiter according to claim 1, wherein the first adjusting hole and the second adjusting hole of the housing are respectively provided with a locking piece, the locking piece comprises an annular table, the annular table is concentrically arranged with the first adjusting hole or the second adjusting hole, a plurality of clamping side grooves are circumferentially arranged on the top surface of the annular table, the knob outer frame is provided with a clamping table, and the clamping table is matched with the clamping side grooves.
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| CN201910966741.8A CN110693447B (en) | 2019-10-12 | 2019-10-12 | Oral radiographic imaging mouth stopper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910966741.8A CN110693447B (en) | 2019-10-12 | 2019-10-12 | Oral radiographic imaging mouth stopper |
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| CN110693447B true CN110693447B (en) | 2025-01-03 |
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| CN112641438B (en) * | 2020-12-22 | 2024-11-12 | 四川省肿瘤医院 | A mouth opening position fixing device for magnetic resonance imaging |
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| CN211093950U (en) * | 2019-10-12 | 2020-07-28 | 南京医科大学附属口腔医院 | Oral radiographic image acquisition opening stopper |
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| US9483792B2 (en) * | 2012-05-15 | 2016-11-01 | Apnicure, Inc. | Screen-based method and system for sizing an oral appliance |
| WO2017211218A1 (en) * | 2016-06-05 | 2017-12-14 | 周星 | Multifunctional visual oral cavity cleaner |
| CN208864273U (en) * | 2018-05-04 | 2019-05-17 | 贵州医科大学附属医院 | A surgical oral dilator |
| CN208942234U (en) * | 2018-06-08 | 2019-06-07 | 王绍江 | A kind of Oral and Maxillofacial Surgery dilator |
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| CN211093950U (en) * | 2019-10-12 | 2020-07-28 | 南京医科大学附属口腔医院 | Oral radiographic image acquisition opening stopper |
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