CN114557804A - Temporomandibular joint appurtenance that resets - Google Patents
Temporomandibular joint appurtenance that resets Download PDFInfo
- Publication number
- CN114557804A CN114557804A CN202210192986.1A CN202210192986A CN114557804A CN 114557804 A CN114557804 A CN 114557804A CN 202210192986 A CN202210192986 A CN 202210192986A CN 114557804 A CN114557804 A CN 114557804A
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- CN
- China
- Prior art keywords
- connecting rod
- temporomandibular joint
- dentition
- force
- joint reduction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000001738 temporomandibular joint Anatomy 0.000 title claims abstract description 34
- 210000004513 dentition Anatomy 0.000 claims abstract description 28
- 230000036346 tooth eruption Effects 0.000 claims abstract description 28
- 230000009467 reduction Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 14
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 239000007779 soft material Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 206010023204 Joint dislocation Diseases 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 11
- 210000000214 mouth Anatomy 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000036544 posture Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241001653121 Glenoides Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000002455 dental arch Anatomy 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000004373 mandible Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The application discloses temporomandibular joint appurtenance resets to realize easy art person's application of force, have the universality to temporomandibular joint dislocation patient's gesture, and the purpose of operation safety. The temporomandibular joint reduction auxiliary tool comprises a connecting rod, two positioners and handles respectively arranged at two ends of the connecting rod; the two positioners are respectively corresponding to the left dentition and the right dentition and can move along the axial direction of the connecting rod; the positioner is provided with a stress groove, the width of the stress groove is matched with the width of the single-side dentition, and the length of the stress groove is smaller than that of the single-side dentition.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a temporomandibular joint reduction auxiliary tool.
Background
Acute anterior dislocation of temporomandibular joint is the most common clinical dislocation of temporomandibular joint in stomatology, and occurs by the condyloid process sliding anteriorly out of the glenoid fossa, beyond the normal limit of joint motion, being blocked by the articular nodules to fail to return to the original position.
The currently clinically common reduction method is an intraoral method, and the key is to pull the mandible forwards and downwards to return the condyloid process to the original position by bypassing the joint nodules. This method requires strong hand strength of the operator, especially the requirement for thumb strength of both hands, and requires proper posture to ensure that the operator can apply downward and backward force. Therefore, the success rate is limited by the influence of the physician power and is low; furthermore, the thumb pad of the operator is usually protected by gauze, gloves, etc. between the upper and lower dentitions of the patient during reduction, with the risk of being crushed or bitten.
In order to solve the problems, a temporomandibular joint repositor is disclosed in the chinese utility model with publication number "CN 204446212U" to solve the problems, but the temporomandibular joint repositor disclosed in the patent needs to be operated by one hand, and the requirement on strength is still high; the patient may suffer from pain due to the force applied to one dentition of the patient. In the Chinese utility model patent with publication number "CN 213346214U", a temporomandibular joint repositor is disclosed, which adopts a forceps body clamping mode, a terminal U-shaped dental pad is arranged in a patient's tooth grinding area, an operator tightly grips a handle for clamping and downwards translating and applying force, and if the terminal U-shaped dental pad is separated from the patient's tooth grinding area in the operation, pain in the mouth of the patient may be caused; and in practice, the patient must lean against the wall in a sitting position.
Disclosure of Invention
The purpose of this application is to provide a temporomandibular joint appurtenance that resets to realize easy art person's application of force, have the universality to temporomandibular joint dislocation patient's gesture, and the safe purpose of operation.
The embodiment of the application provides a temporomandibular joint reduction auxiliary tool, which comprises a connecting rod, two positioners and handles respectively arranged at two ends of the connecting rod;
the two positioners are respectively corresponding to the left dentition and the right dentition and can move along the axial direction of the connecting rod;
the positioner is provided with a stress groove, the width of the stress groove is matched with the width of the single-side dentition, and the length of the stress groove is smaller than that of the single-side dentition.
In a possible implementation manner, the height of the side wall of the force-bearing groove far away from the center of the connecting rod is greater than or equal to the height of the side wall of the force-bearing groove near the center of the connecting rod. In this embodiment, the height of the sidewall of the force-receiving groove is designed to ensure the position locking with the dentition, and to prevent the injury to the mouth of the patient.
In a possible implementation manner, the bottom surface of the stress groove is provided with a resistance layer. In this embodiment, the resistance layer can increase the friction between the force-bearing groove and the teeth, thereby preventing the patient from sliding back and forth when applying force.
In a possible implementation manner, the connecting rod is wrapped with a protective layer at least at a part corresponding to the minimum span between the two locators, and the protective layer is made of a soft material. In the embodiment, the protective layer made of soft materials is wrapped at a specific position, so that the tongue of a patient can be prevented from being damaged.
In a possible implementation, the portion of the connecting rod corresponding to the smallest span between two of the positioners has a curvature arc. In the embodiment, the bending radian is arranged in the specific area, so that the tongue of the patient can be prevented from being squeezed.
In a possible implementation manner, the whole connecting rod is in a shape like a Chinese character 'yi', a shape like an 'n' or a shape like a Chinese character 'ji'. In this embodiment, the whole connecting rod can be designed into different shapes to adapt to the operation requirements and habits of different operators.
In a possible implementation, the cross section of the connecting rod is circular, oval, rectangular or regular polygonal.
In a possible implementation, the positioner is provided with a mounting hole, the mounting hole is matched with the connecting rod, and damping is provided between the mounting hole and the connecting rod. .
In a possible implementation manner, the resistance layer is made of a silicone material.
In a possible implementation manner, the material of the positioner is a resin material or a silicone material.
In the embodiment of the application, the temporomandibular joint reduction auxiliary tool is transversely arranged in the mouth of a patient in an operation, a stress groove of a positioner is contacted with the dentition of the patient, an operator grips a handle to apply force from the outside to make the condyles of the patient slide down below the articular nodules, and then the joint is manually slid into a joint socket, so that the force requirement on the operator is low, and the temporomandibular joint reduction auxiliary tool is suitable for various postures of the patient; the finger of the operator can be prevented from being bitten by applying force outside rather than applying force in the mouth.
Drawings
Fig. 1 is a schematic view of a temporomandibular joint reduction assistance tool provided in an embodiment of the present application;
FIG. 2 is a schematic view of a force-bearing slot provided in an embodiment of the present application;
FIG. 3 is a schematic view of a force-bearing groove provided with a resistance layer on a bottom surface thereof according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a protective layer disposed on a tie bar according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a connecting rod provided with a curvature according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a connecting rod 1 shaped like a Chinese character ji according to an embodiment of the present application;
fig. 7 is a schematic diagram of an application of a temporomandibular joint reduction assistance tool provided by an embodiment of the present application.
Reference numerals:
1. a connecting rod; 2. a positioner; 3. a handle; 4. a stress groove; 5. a resistance layer; 6. a protective layer; 7. curvature; 41. a side wall (outer side wall); 42. side walls (inner side walls).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The temporomandibular joint reduction appurtenance that this application embodiment provided is horizontal in patient's mouth in the art, by the operator by external application of force, makes patient's condyle slide to the articular nodule below, is aided with again and makes the joint slide into the glenoid fossa by manual.
The detailed description is as follows in conjunction with the appended drawings:
as shown in fig. 1, the temporomandibular joint reduction auxiliary tool comprises a connecting rod 1, two positioners 2 and handles 3 respectively arranged at two ends of the connecting rod; the two positioners 2 are respectively arranged on the connecting rod 1, the two positioners 2 respectively correspond to the left dentition and the right dentition, and the two positioners 2 can move along the axial direction of the connecting rod 1; the positioner 2 is provided with a stress groove 4, the width of the stress groove 4 is matched with the width of the single-side dentition, and the length of the stress groove 4 is smaller than that of the single-side dentition.
The transverse width of the dental arch in the oral cavity suitable for different patients can enable the positioner 2 to move on the connecting rod 1 along the axial direction of the connecting rod 1, and the distance between the two positioners 2 can be adjusted. The stress groove 4 is aligned to the left dentition and the right dentition of a patient, the stress groove 4 is contacted with the teeth of the patient, when an operator holds the handle 3 to apply force, the stress groove 4 and the teeth have interaction force and possibly friction force, so that the condyles of the patient slide down to the lower part of the articular tubercle. For example, if the patient adopts a sitting position, a downward force is applied; if the patient lies flat, a horizontal force is applied, the direction of the force application depends on the posture of the patient and the condition that the temporomandibular joint needs to be reset.
In order to ensure the position locking with dentition and avoid injury to the mouth of a patient, in the embodiment of the application, the height of the side wall of the stress groove 4 far away from the center of the connecting rod 1 is greater than or equal to the height of the side wall of the stress groove 4 close to the center of the connecting rod 1. As shown in FIG. 2, in the structure of the force-receiving groove 4 of the retainer 2, the height of the sidewall 41 (outer sidewall) is greater than or equal to the height of the sidewall 42 (inner sidewall). Of course, the length of the side wall 41 may be greater than or equal to the length of the side wall 42. It will be appreciated that the force-receiving slot 4 on the other retainer 2 is the same; the force receiving grooves 4 of the two retainers 2 comprise a side wall 42 close to the central side of the connecting rod 1. In this embodiment, the force-bearing groove 4 is one-way, i.e. corresponding to the lower dentition of the patient when in use, and in some possible examples, may also be two-way, and a similar groove or a soft cushion for preventing occlusion of the patient may also be provided corresponding to the upper dentition, and will not be described herein again.
As shown in fig. 3, the bottom surface of the force-receiving groove 4 is provided with a resistance layer 5. The resistance layer 5 can increase the friction force between the stress groove 4 and the teeth, and avoid the front and back sliding of the operator when applying force. In some possible examples, the resistance layer 5 may be provided with a pattern, for example a non-smooth surface similar to the plane of the dentition; or arranged in regular dots or strips to apply friction. In some possible examples, the resistance layer 5 may be a silicone material or the like.
In the embodiment of the present application, the resistance layer 5 may be provided separately, or may be integrated with the positioner 2, depending on the material or the application object. For example, in some possible examples, the patient is a child, the teeth are relatively weak, and the resistance layer 5 can be separately arranged and made of a soft material to prevent the teeth from being damaged. Of course, a material having an appropriate hardness may be used as a whole as long as a certain bearing capacity is secured at the time of application of force.
As shown in fig. 4, the tie rod 1 is wrapped with a protective layer 6 at least at a portion corresponding to the minimum span between the two retainers 2, the protective layer 6 being of a soft material. In this embodiment, the protective layer 6 made of a soft material wrapped at a specific position can prevent the tongue of the patient from being damaged.
As shown in fig. 5, the portion of the connecting rod 1 corresponding to the smallest span between two locators 2 has a curvature 7. In the embodiment, the bending radian 7 is arranged in a specific area, so that the tongue of the patient can be prevented from being squeezed. Of course, in conjunction with fig. 4, a protective layer 6 may be provided at the curvature 7 to further protect.
Considering the force application manner or the habit of the operator, the overall shape of the connecting rod 1 can be designed into various shapes, such as a shape like a Chinese character 'yi', a shape like an 'n', or a shape like a Chinese character 'ji'. And one end of the connection handle 3 may have a set angle with the main body for better force application. The connecting rod 1 as shown in fig. 1 can be regarded as an "n" type; the connecting rod 1 as shown in fig. 6 can be regarded as a "few" type. In some possible examples, the handle 3 and the connecting rod 1 may be integrally formed, or the handle 3 may be separately installed at both ends of the connecting rod 1.
In the embodiment of the present application, the cross section of the connecting rod 1 may be circular, oval, rectangular or regular polygonal. Correspondingly, the positioner 2 is provided with a mounting hole, the mounting hole is matched with the connecting rod 1, and damping is arranged between the mounting hole and the connecting rod 1. It will be appreciated that the mounting holes of the locators 2 may be arranged according to the cross-sectional pattern of the connecting rod 1; for the cross section and the mounting hole of the round connecting rod 1, the connecting rod and the mounting hole can rotate relatively, and the connecting rod is relatively flexible, but the direction of the force application needs to be paid attention to, and the unintended sliding is avoided. For the cross section and the mounting hole of the connecting rod 1 in an oval shape, a rectangular shape or a regular polygon shape, the rotation between the cross section and the mounting hole can be prevented, and the connecting rod is more stable. Meanwhile, in order to avoid injury to the patient, the rectangular or regular polygonal connecting rod 1 can be provided with a smooth chamfer or a circular arc edge.
The material of the locator 2 of the embodiment of the present application may be a resin material or a silicone material.
It should be noted that, since the oral use is concerned, the selection of the material needs to meet the medical standard, and will not be described herein.
As shown in fig. 7, which shows a schematic diagram of the temporomandibular joint reduction assistance tool application provided by the present application, the force receiving slot 4 is aligned with the left and right dentitions of the patient, the force receiving slot 4 is in contact with the patient's teeth, and the operator holds the handle 3 to apply force.
In the embodiment of the application, the temporomandibular joint resetting auxiliary tool moves the positioners 2 on the connecting rod 1 according to the dental arch condition of a patient in an operation, adjusts the distance between the two positioners 2, then transversely arranges the positioner in the mouth of the patient, the stress groove 4 of the positioner 2 is contacted with the dentition of the patient, an operator tightly grips the handle 3 to apply force from the outside, so that the condyles of the patient slide to the lower part of the joint nodules, and then manually slides the joints into the joint pits, the force requirement of the operator is low, and the temporomandibular joint resetting auxiliary tool is suitable for various postures of the patient; the finger of the operator can be prevented from being bitten by applying force outside rather than applying force in the mouth.
While particular embodiments have been illustrated and described, it will be appreciated that the above embodiments are merely illustrative of the technical solutions of the present application and are not limiting; those of ordinary skill in the art will understand that: modifications may be made to the above-described embodiments, or equivalents may be substituted for some or all of the features thereof without departing from the spirit and scope of the present application; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present application; it is therefore intended to cover in the appended claims all such alternatives and modifications that are within the scope of this application.
Claims (10)
1. A temporomandibular joint reduction auxiliary tool is characterized by comprising a connecting rod, two positioners and handles respectively arranged at two ends of the connecting rod;
the two positioners are respectively corresponding to the left dentition and the right dentition and can move along the axial direction of the connecting rod;
the positioner is provided with a stress groove, the width of the stress groove is matched with the width of the single-side dentition, and the length of the stress groove is smaller than that of the single-side dentition.
2. The temporomandibular joint repositioning aid of claim 1, wherein the height of the side wall of the force-receiving groove distal from the center of the connecting rod is greater than or equal to the height of the side wall of the force-receiving groove proximal to the center of the connecting rod.
3. The temporomandibular joint reduction aid of claim 1, wherein the bottom surface of the force-receiving groove is provided with a resistance layer.
4. The temporomandibular joint reduction aid of claim 1, wherein said connecting bar is wrapped in a protective covering at least in the portion corresponding to the minimum spacing between two of said locators, said protective covering being of a soft material.
5. A temporomandibular joint reduction aid according to claim 1, wherein the portion of the connecting bar corresponding to the smallest span between two of the positioners has a curved curvature.
6. An aid for temporomandibular joint reduction according to any one of claims 1 to 5, wherein the connecting bar is generally in the shape of a line, an "n" or a "n" shape.
7. The temporomandibular joint reduction aid of claim 6, wherein the cross-section of the connecting rod is circular, elliptical, rectangular or regular polygonal.
8. The temporomandibular joint reduction aid of claim 7, wherein the positioner is provided with a mounting hole that mates with the connecting rod with a damping between the mounting hole and the connecting rod.
9. The temporomandibular joint reduction aid of claim 3, wherein the resistance layer is a silicone material.
10. The temporomandibular joint reduction assistance tool of claim 1, wherein the locator is of a resin material or a silicone material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210192986.1A CN114557804B (en) | 2022-03-01 | 2022-03-01 | Temporomandibular joint auxiliary tool that resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210192986.1A CN114557804B (en) | 2022-03-01 | 2022-03-01 | Temporomandibular joint auxiliary tool that resets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114557804A true CN114557804A (en) | 2022-05-31 |
| CN114557804B CN114557804B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210192986.1A Active CN114557804B (en) | 2022-03-01 | 2022-03-01 | Temporomandibular joint auxiliary tool that resets |
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| Country | Link |
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| CN (1) | CN114557804B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201320229Y (en) * | 2008-12-19 | 2009-10-07 | 潘继军 | Temporomandibular joint repositor |
| US20130023797A1 (en) * | 2009-06-24 | 2013-01-24 | Kosmo Technologies, Llc | Mandibular manipulator and related methods |
| US20150034093A1 (en) * | 2013-08-02 | 2015-02-05 | Bernard Michael Kruger | Method and Apparatus for Incrementally Repositioning the Mandible of a Patient |
| US20180153643A1 (en) * | 2015-03-20 | 2018-06-07 | Geoffrey James Lambert | Mandibular reposition device and coupling therefor |
| CN209154388U (en) * | 2017-11-24 | 2019-07-26 | 沈卫民 | Remporomandibular joint functional rehabilitation instrument |
| CN213346214U (en) * | 2020-07-16 | 2021-06-04 | 武汉市中心医院 | Temporomandibular joint restorer |
-
2022
- 2022-03-01 CN CN202210192986.1A patent/CN114557804B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201320229Y (en) * | 2008-12-19 | 2009-10-07 | 潘继军 | Temporomandibular joint repositor |
| US20130023797A1 (en) * | 2009-06-24 | 2013-01-24 | Kosmo Technologies, Llc | Mandibular manipulator and related methods |
| US20150034093A1 (en) * | 2013-08-02 | 2015-02-05 | Bernard Michael Kruger | Method and Apparatus for Incrementally Repositioning the Mandible of a Patient |
| US20180153643A1 (en) * | 2015-03-20 | 2018-06-07 | Geoffrey James Lambert | Mandibular reposition device and coupling therefor |
| CN209154388U (en) * | 2017-11-24 | 2019-07-26 | 沈卫民 | Remporomandibular joint functional rehabilitation instrument |
| CN213346214U (en) * | 2020-07-16 | 2021-06-04 | 武汉市中心医院 | Temporomandibular joint restorer |
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| Publication number | Publication date |
|---|---|
| CN114557804B (en) | 2024-02-09 |
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