CN112973014A - Human oral cavity jaw facial muscle rehabilitation training device - Google Patents
Human oral cavity jaw facial muscle rehabilitation training device Download PDFInfo
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- CN112973014A CN112973014A CN202110374078.XA CN202110374078A CN112973014A CN 112973014 A CN112973014 A CN 112973014A CN 202110374078 A CN202110374078 A CN 202110374078A CN 112973014 A CN112973014 A CN 112973014A
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- fixedly connected
- training device
- rehabilitation training
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/025—Exercising apparatus specially adapted for particular parts of the body for the head or the neck
- A63B23/03—Exercising apparatus specially adapted for particular parts of the body for the head or the neck for face muscles
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/05—Linearly-compressed elements
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Otolaryngology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a human oral cavity maxillofacial muscle strength rehabilitation training device which comprises a first circular plate, wherein a partition plate is fixedly connected in the first circular plate, the upper side and the lower side of the partition plate are both connected with a pressure adjusting plate and a buffer plate in a sliding manner, an adjusting mechanism for adjusting the two pressure adjusting plates is arranged on the first circular plate, a buffer part for buffering the buffer plate is arranged in the first circular plate, the right end of the first circular plate is fixedly connected with a second circular plate, two fixed plates are connected in the second circular plate in a sliding manner, the two fixed plates are respectively and fixedly connected with the two buffer plates, and two bite plates are arranged on the right side of the second circular plate. The invention can adjust the occlusal force of the facial muscle strength rehabilitation training device, can adjust the distance of the occlusal plate, can also be repeatedly used for the facial muscle strength rehabilitation training device, and has better use effect.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a human oral and maxillofacial muscle rehabilitation training device.
Background
The oral cavity is the initial part of the digestive tract, which is communicated with the outside through the cleft mouth and then is continued with the pharynx through the isthmus. The oral cavity is divided into an oral cavity vestibule at the front outer side part and an inherent oral cavity at the back inner side part by an upper dental arch and a lower dental arch; when the upper and lower teeth are occluded, the vestibule of the oral cavity is communicated with the inherent oral cavity by the gap behind the third molar, and when the teeth of a patient are closed clinically, an opener or a cannula can be arranged through the channel to inject medicines or nutrient substances, and simultaneously, the tongue is prevented from being bitten.
The existing facial muscle strength rehabilitation training device needs to be discarded after a patient trains and uses the training device, the recovery and the utilization cannot be carried out, the occlusal force cannot be conveniently adjusted, the distance of the occlusal plate cannot be adjusted, and the use effect is poor.
Therefore, the human oral and maxillofacial muscle rehabilitation training device is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems that a facial muscle strength rehabilitation training device in the prior art cannot be recycled, the occlusal force cannot be adjusted and the distance between occlusal plates cannot be adjusted, and provides a human oral and maxillofacial muscle strength rehabilitation training device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a human oral cavity jaw facial muscle rehabilitation training device, includes first time template, fixedly connected with baffle in the first time template, the equal sliding connection in upper and lower both sides of baffle has pressure regulating plate and buffer board, be equipped with the adjustment mechanism who is used for adjusting two pressure regulating plates on the first time template, be equipped with the bolster that is used for buffering the buffer board in the first time template, the right-hand member fixedly connected with second time template of first time template, second time template sliding connection has two fixed plates, two fixed plates respectively with two buffer board fixed connection, the right side that the template was returned to the second is equipped with two occlusal plates, two be equipped with the elevating system who is used for going up and down two occlusal plates on the buffer board.
Preferably, adjustment mechanism includes two lateral wall fixed connection's that carry on the back with two pressure regulating plates threaded rod, two respectively the upper end of threaded rod all slides and runs through first time template setting, be equipped with two cavitys in the first time template, two the threaded rod runs through two cavity settings respectively, two the threaded rod is equal thread bush outward and is equipped with threaded sleeve, two threaded sleeve rotates with two cavity inside walls respectively and is connected, two rotate between the cavity and be connected with the pivot, all be connected through the drive mechanism transmission between pivot and two threaded sleeve, the lower extreme of pivot is rotated and is run through first time template and the first turning handle of coaxial fixedly connected with.
Preferably, drive mechanism includes first belt pulley and second belt pulley, first belt pulley and the coaxial fixed connection of pivot, the coaxial fixed connection of second belt pulley and screw sleeve, be connected through belt transmission between first belt pulley and the second belt pulley.
Preferably, the bolster includes two dead levers with first time template inside wall fixed connection, the dead lever overcoat is equipped with two first springs and two second springs, the both ends of first spring respectively with pressure regulating plate and buffer board fixed connection, the both ends of second spring respectively with baffle and buffer board fixed connection.
Preferably, elevating system includes the gag lever post with second time template fixed connection, the lower extreme of gag lever post all rotates and runs through second time template and coaxial fixedly connected with second turning handle, the right-hand member of fixed plate is equipped with the recess, the gag lever post runs through two fixed plates and two recess settings, the part slip cover that the gag lever post is located the recess is equipped with sliding sleeve, sliding sleeve external screw thread cover is equipped with the regulating block, regulating block and recess inside wall sliding connection, through the clamping mechanism joint between regulating block and the occlusal plate.
Preferably, the joint mechanism is including setting up the joint groove at the regulating block right-hand member, joint inslot sliding connection has the joint board, be equipped with a plurality of draw-in grooves in the joint board, sliding connection has the wedge in the draw-in groove, through third spring fixed connection between the bottom in wedge and the draw-in groove, the joint inslot be equipped with the ejecting groove of wedge assorted, ejecting inslot sliding connection has the roof, the one end fixedly connected with depression bar of wedge is kept away from to the roof, the one end that the roof was kept away from to the depression bar slides and runs through regulating block and fixedly connected with pressure handle, the depression bar overcoat is equipped with the fourth spring, the both ends of fourth spring respectively with pressure handle and regulating block fixed connection.
Preferably, one side of the wedge-shaped block, which is far away from the bottom in the clamping groove, is provided with a smooth inclined surface, and the inclined surface faces to the left.
Preferably, tooth grooves are formed on the opposite side walls of the two bite plates.
Compared with the prior art, the invention has the beneficial effects that:
1. by arranging the adjusting mechanism, the first rotating handle is rotated to drive the rotating shaft to rotate, the rotating shaft drives the two threaded sleeves to rotate, the two threaded sleeves drive the two threaded rods to move relatively, the two threaded rods drive the two pressure adjusting plates to lift, and the two pressure adjusting plates compress the first spring and the second spring, so that the pressure required for compressing the first spring and the second spring is increased, and the occlusion force can be adjusted;
2. through setting up elevating system and latch mechanism, through rotating the second turning handle, the second turning handle drives the gag lever post and rotates, the gag lever post drives two slip sleeves and rotates, two slip sleeves drive two regulating blocks relative movement, two regulating blocks drive two occlusal plates and go up and down, thereby can adjust the distance between two occlusal plates, through pressing the handle, it drives the removal of drive depression bar to press the handle, the depression bar drives the roof and removes, the roof releases the wedge to the joint inslot, thereby can dismantle the occlusal plate, can carry out used repeatedly to facial muscle strength rehabilitation training device, the effect of use is better.
The invention can adjust the occlusal force of the facial muscle strength rehabilitation training device, can adjust the distance of the occlusal plate, can also be repeatedly used for the facial muscle strength rehabilitation training device, and has better use effect.
Drawings
FIG. 1 is a front perspective view of a human oral maxillofacial muscle rehabilitation training device according to the present invention;
FIG. 2 is a perspective view of the side structure of a human oral maxillofacial muscle rehabilitation training device according to the present invention;
FIG. 3 is a perspective view of a connection structure of an adjusting block and a bite plate in the human oral maxillofacial muscle rehabilitation training device provided by the invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: 1 first return plate, 2 baffle, 3 pressure regulating plate, 4 buffer plates, 5 adjustment mechanism, 6 buffer parts, 7 second return plate, 8 fixed plate, 9 snap-in plate, 10 elevating system, 11 threaded rod, 12 cavity, 13 threaded sleeve, 14 rotating shaft, 15 transmission mechanism, 16 first rotating handle, 17 first belt pulley, 18 second belt pulley, 19 fixed rod, 20 first spring, 21 second spring, 22 gag lever post, 23 groove, 24 sliding sleeve, 25 regulating block, 26 clamping mechanism, 27 clamping groove, 28 clamping plate, 29 clamping groove, 30 wedge block, 31 third spring, 32 ejecting groove, 33 top plate, 34 pressing rod, 35 pressing handle, 36 fourth spring, 37 tooth groove, 38 second rotating handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a human oral cavity maxillofacial muscle rehabilitation training device, including first time template 1, fixedly connected with baffle 2 in the first time template 1, equal sliding connection in both sides has pressure regulating plate 3 and buffer plate 4 about baffle 2, be equipped with on the first time template 1 and be used for carrying out the adjustment mechanism 5 that adjusts to two pressure regulating plate 3, it is concrete, adjustment mechanism 5 includes two lateral wall fixed connection's that carry on the back with two pressure regulating plate 3 respectively threaded rod 11, it needs to explain, the external screw thread of two threaded rod 11 revolves to opposite, the upper end of two threaded rod 11 all slides and runs through first time template 1 and set up, be equipped with two cavities 12 in the first time template 1, two threaded rod 11 run through two cavities 12 settings respectively, two threaded rod 11 outer equal thread bush are equipped with threaded sleeve 13, two threaded sleeve 13 rotate the inside wall with two cavities 12 respectively and are connected.
In the invention, a rotating shaft 14 is rotatably connected between the two cavities 12, the rotating shaft 14 and the two threaded sleeves 13 are in transmission connection through a transmission mechanism 15, it is worth mentioning that the transmission mechanism 15 comprises a first belt pulley 17 and a second belt pulley 18, the first belt pulley 17 is coaxially and fixedly connected with the rotating shaft 14, the second belt pulley 18 is coaxially and fixedly connected with the threaded sleeves 13, the first belt pulley 17 is in transmission connection with the second belt pulley 18 through a belt, the lower end of the rotating shaft 14 rotatably penetrates through the first molding return plate 1 and is coaxially and fixedly connected with a first rotating handle 16, a buffer member 6 for buffering the buffer plate 4 is arranged in the first molding return plate 1, and it should be noted that the buffer member 6 comprises two fixing rods 19 fixedly connected with the inner side wall of the first molding return plate 1.
In the invention, two first springs 20 and two second springs 21 are sleeved outside a fixed rod 19, two ends of each first spring 20 are respectively fixedly connected with a pressure adjusting plate 3 and a buffer plate 4, two ends of each second spring 21 are respectively fixedly connected with a partition plate 2 and a buffer plate 4, a second circular plate 7 is fixedly connected to the right end of each first circular plate 1, two fixed plates 8 are slidably connected to the second circular plate 7, the two fixed plates 8 are respectively fixedly connected with the two buffer plates 4, two bite plates 9 are arranged on the right side of each second circular plate 7, it should be noted that tooth grooves 37 are formed in the opposite side walls of the two bite plates 9, lifting mechanisms 10 for lifting the two bite plates 9 are arranged on the two buffer plates 4, and further, each lifting mechanism 10 comprises a limiting rod 22 fixedly connected with the second circular plate 7.
In the invention, the lower ends of the limiting rods 22 rotatably penetrate through the second rotary plate 7 and are coaxially and fixedly connected with a second rotary handle 38, the right ends of the fixing plates 8 are provided with grooves 23, the limiting rods 22 penetrate through the two fixing plates 8 and the two grooves 23, the sliding sleeve 24 is sleeved on the part of the limiting rods 22 positioned in the grooves 23 in a sliding manner, the outer side wall of the sliding sleeve 24 is marked with threads, the external threads of the two sliding sleeves 24 are opposite in rotating direction, the external threads of the sliding sleeve 24 are sleeved with an adjusting block 25, the adjusting block 25 is in sliding connection with the inner side wall of the groove 23, the adjusting block 25 is clamped with the occlusal plate 9 through a clamping mechanism 26, further, the clamping mechanism 26 comprises a clamping groove 27 arranged at the right end of the adjusting block 25, the clamping groove 27 is internally and slidably connected with a clamping plate 28, a plurality of clamping grooves 29 are arranged in the, it should be noted that the side of the wedge 30 away from the bottom of the slot 29 is provided with a smooth inclined surface facing leftward.
In the invention, a wedge block 30 is fixedly connected with the bottom in a clamping groove 29 through a third spring 31, an ejection groove 32 matched with the wedge block 30 is arranged in a clamping groove 27, a top plate 33 is connected in the ejection groove 32 in a sliding manner, one end of the top plate 33 far away from the wedge block 30 is fixedly connected with a pressure lever 34, one end of the pressure lever 34 far away from the top plate 33 penetrates through an adjusting block 25 in a sliding manner and is fixedly connected with a pressure handle 35, a fourth spring 36 is sleeved outside the pressure lever 34, and two ends of the fourth spring 36 are respectively and fixedly connected with the pressure handle 35 and the adjusting block 25.
In the invention, a first rotating handle 16 is rotated, the first rotating handle 16 drives a rotating shaft 14 to rotate, the rotating shaft 14 drives two first belt pulleys 17 to rotate, the two first belt pulleys 17 drive two second belt pulleys 18 to rotate through two belts, the two second belt pulleys 18 drive two threaded sleeves 13 to rotate, the two threaded sleeves 13 drive two threaded rods 11 to move relatively, the two threaded rods 11 drive two pressure adjusting plates 3 to ascend and descend, and the two pressure adjusting plates 3 compress a first spring 20 and a second spring 21, so that the pressure required for compressing the first spring 20 and the second spring 21 is increased, and the biting force can be adjusted; through rotating second turning handle 38, second turning handle 38 drives gag lever post 22 and rotates, and gag lever post 22 drives two sliding sleeve 24 and rotates, and two sliding sleeve 24 drive two regulating block 25 relative movement, and two regulating block 25 drive two occlusal plates 9 and go up and down to can adjust the distance between two occlusal plates 9.
When the occlusal plate 9 is replaced, the pressing handle 35 is pressed, the pressing handle 35 drives the pressing rod 34 to move, the pressing rod 34 drives the top plate 33 to move, the wedge-shaped block 30 is pushed out into the clamping groove 27 by the top plate 33, and therefore the occlusal plate 9 can be detached, and the facial muscle rehabilitation training device can be used repeatedly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The rehabilitation training device for the muscle strength of the oral cavity, the jaw and the face of a human body comprises a first circular plate (1) and is characterized in that a partition plate (2) is fixedly connected in the first circular plate (1), a pressure adjusting plate (3) and a buffer plate (4) are slidably connected to the upper side and the lower side of the partition plate (2), an adjusting mechanism (5) used for adjusting the two pressure adjusting plates (3) is arranged on the first circular plate (1), a buffer piece (6) used for buffering the buffer plate (4) is arranged in the first circular plate (1), a second circular plate (7) is fixedly connected to the right end of the first circular plate (1), two fixed plates (8) are slidably connected in the second circular plate (7), the two fixed plates (8) are fixedly connected with the two buffer plates (4) respectively, and an occlusal plate (9) is arranged on the right side of the second circular plate (7), and lifting mechanisms (10) for lifting the two bite plates (9) are arranged on the two buffer plates (4).
2. The human oral maxillofacial muscle strength rehabilitation training device according to claim 1, wherein the adjusting mechanism (5) comprises two threaded rods (11) fixedly connected with the side walls opposite to the two pressure adjusting plates (3), the upper ends of the two threaded rods (11) are slidably arranged through the first contour plate (1), two cavities (12) are arranged in the first contour plate (1), the two threaded rods (11) are respectively arranged through the two cavities (12), the two threaded rods (11) are externally provided with threaded sleeves (13), the two threaded sleeves (13) are respectively rotatably connected with the inner side walls of the two cavities (12), a rotating shaft (14) is rotatably connected between the two cavities (12), and the rotating shaft (14) and the two threaded sleeves (13) are respectively in transmission connection through a transmission mechanism (15), the lower end of the rotating shaft (14) rotatably penetrates through the first contour plate (1) and is coaxially and fixedly connected with a first rotating handle (16).
3. The human oral maxillofacial muscle strength rehabilitation training device according to claim 2, wherein the transmission mechanism (15) comprises a first belt pulley (17) and a second belt pulley (18), the first belt pulley (17) is coaxially and fixedly connected with the rotating shaft (14), the second belt pulley (18) is coaxially and fixedly connected with the threaded sleeve (13), and the first belt pulley (17) is in belt transmission connection with the second belt pulley (18).
4. The human oral maxillofacial muscle strength rehabilitation training device according to claim 1, wherein the buffer member (6) comprises two fixing rods (19) fixedly connected with the inner side wall of the first contour plate (1), two first springs (20) and two second springs (21) are sleeved outside the fixing rods (19), two ends of each first spring (20) are respectively and fixedly connected with the pressure adjusting plate (3) and the buffer plate (4), and two ends of each second spring (21) are respectively and fixedly connected with the partition plate (2) and the buffer plate (4).
5. The human oral maxillofacial muscle strength rehabilitation training device according to claim 1, the lifting mechanism (10) comprises a limiting rod (22) fixedly connected with the second circular plate (7), the lower ends of the limiting rods (22) penetrate through the second rotary plate (7) in a rotating way and are coaxially and fixedly connected with second rotary handles (38), the right end of the fixed plates (8) is provided with a groove (23), the limiting rod (22) penetrates through the two fixed plates (8) and the two grooves (23), a sliding sleeve (24) is sleeved on the part of the limiting rod (22) positioned in the groove (23) in a sliding way, the outer thread of the sliding sleeve (24) is sleeved with an adjusting block (25), the adjusting block (25) is connected with the inner side wall of the groove (23) in a sliding way, the adjusting block (25) is clamped with the bite plate (9) through a clamping mechanism (26).
6. The human oral and maxillofacial muscle strength rehabilitation training device according to claim 5, wherein the clamping mechanism (26) comprises a clamping groove (27) arranged at the right end of the adjusting block (25), a clamping plate (28) is slidably connected in the clamping groove (27), a plurality of clamping grooves (29) are arranged in the clamping plate (28), a wedge-shaped block (30) is slidably connected in the clamping groove (29), the wedge-shaped block (30) is fixedly connected with the inner bottom of the clamping groove (29) through a third spring (31), an ejection groove (32) matched with the wedge-shaped block (30) is arranged in the clamping groove (27), a top plate (33) is slidably connected in the ejection groove (32), one end of the top plate (33) far away from the wedge-shaped block (30) is fixedly connected with a pressure lever (34), one end of the pressure lever (34) far away from the top plate (33) is slidably penetrated through the adjusting block (25) and is fixedly connected with a pressure handle (35), and a fourth spring (36) is sleeved outside the pressure lever (34), and two ends of the fourth spring (36) are respectively and fixedly connected with the pressure handle (35) and the adjusting block (25).
7. The human oral maxillofacial muscle strength rehabilitation training device according to claim 5, wherein the wedge block (30) is provided with a smooth inclined surface on the side away from the bottom in the slot (29), and the inclined surface faces to the left.
8. The human oral maxillofacial muscle strength rehabilitation training device according to claim 1, wherein the two bite plates (9) are provided with tooth grooves (37) on the opposite side walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374078.XA CN112973014B (en) | 2021-04-07 | 2021-04-07 | Human oral cavity jaw facial muscle rehabilitation training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374078.XA CN112973014B (en) | 2021-04-07 | 2021-04-07 | Human oral cavity jaw facial muscle rehabilitation training device |
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| Publication Number | Publication Date |
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| CN112973014A true CN112973014A (en) | 2021-06-18 |
| CN112973014B CN112973014B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110374078.XA Active CN112973014B (en) | 2021-04-07 | 2021-04-07 | Human oral cavity jaw facial muscle rehabilitation training device |
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| CN (1) | CN112973014B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881595A (en) * | 2021-01-08 | 2021-06-01 | 郭锋 | Fixed firm building curtain wall automatic checkout device |
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| US5919116A (en) * | 1997-05-27 | 1999-07-06 | Cca Industries, Inc. | Exercising device for facial muscles and mouth |
| US20120283069A1 (en) * | 2011-05-03 | 2012-11-08 | Michael Martin | Jaw strengthening device |
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| CN210251046U (en) * | 2019-06-05 | 2020-04-07 | 苟会君 | Old man's ability rehabilitation training device of chewing |
| CN111450490A (en) * | 2019-01-21 | 2020-07-28 | 山东英才学院 | Human oral cavity jaw facial muscle rehabilitation training device |
| CN211226922U (en) * | 2019-12-21 | 2020-08-11 | 江西彤星饰品有限公司 | Glass coating film production line positioner |
| CN211905679U (en) * | 2020-03-25 | 2020-11-10 | 四川万顺达机械制造有限公司 | Aerospace radar fixing device convenient to adjust |
| CN212491320U (en) * | 2020-07-06 | 2021-02-09 | 殷艳青 | Jaw face oral cavity trainer |
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2021
- 2021-04-07 CN CN202110374078.XA patent/CN112973014B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5919116A (en) * | 1997-05-27 | 1999-07-06 | Cca Industries, Inc. | Exercising device for facial muscles and mouth |
| US20120283069A1 (en) * | 2011-05-03 | 2012-11-08 | Michael Martin | Jaw strengthening device |
| CN106726351A (en) * | 2016-12-29 | 2017-05-31 | 山东威高集团医用高分子制品股份有限公司 | Temporomandibular joint training aids |
| CN208555625U (en) * | 2018-07-11 | 2019-03-01 | 吉林省世鑫冲压有限公司 | A kind of auto parts stamping device easy to maintenance |
| CN111450490A (en) * | 2019-01-21 | 2020-07-28 | 山东英才学院 | Human oral cavity jaw facial muscle rehabilitation training device |
| CN210251046U (en) * | 2019-06-05 | 2020-04-07 | 苟会君 | Old man's ability rehabilitation training device of chewing |
| CN211226922U (en) * | 2019-12-21 | 2020-08-11 | 江西彤星饰品有限公司 | Glass coating film production line positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881595A (en) * | 2021-01-08 | 2021-06-01 | 郭锋 | Fixed firm building curtain wall automatic checkout device |
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| CN112973014B (en) | 2021-12-21 |
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