CN113768734B

CN113768734B - Rehabilitation device for temporomandibular joint

Info

Publication number: CN113768734B
Application number: CN202110795910.3A
Authority: CN
Inventors: 方玉飞; 吴玲; 庞清江; 章璟文
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2023-05-05
Anticipated expiration: 2041-07-14
Also published as: CN113768734A

Abstract

The invention discloses a rehabilitation device for temporomandibular joints, which comprises a safety seat, a fixed armrest arranged on the safety seat and fixedly connected with the safety seat, a backrest fixedly connected with the fixed armrest, an installation platform fixedly connected with the backrest, a multi-axis mechanical arm rotatably connected with the installation platform and a rehabilitation mechanism arranged on the multi-axis mechanical arm, wherein the fixed armrest is fixedly connected with the safety seat; through the combined use of the mechanical arm and the safety seat, a rehabilitation person can receive the rehabilitation training of the temporal joint in a sitting state, and the comfort and the rehabilitation effect of the rehabilitation process are improved.

Description

Rehabilitation device for temporomandibular joint

Technical Field

The invention belongs to the technical field of chair cushions, and particularly relates to a rehabilitation device for temporomandibular joints.

Background

Temporomandibular joint is also known as "temporomandibular joint" or "mandibular joint". Consists of mandible, temporomandibular fossa and joint nodule, and the joint is combined left and right to form one joint for opening and closing and chewing. The joint capsule is loose, and the lateral is reinforced by the inner and outer ligaments. The joint disc in the bag is oval and consists of fibrocartilage, and is divided into an anterior part, a middle part and a posterior part. The upper surface is saddle-shaped, concave front and convex back, and corresponds to the convex-concave contours of the joint nodule and the mandibular fossa; the lower surface is concave and opposite to the mandibular head, the periphery is connected with the joint capsule, and the front edge is connected with the outer tendon of the wing passing through the joint capsule. The joint disc divides the joint cavity into an upper half and a lower half. The outer part of the joint is reinforced by a sphenopalatine ligament (sphenopacantha to mandibular tongue) and a styloid mandibular ligament (styloid process to mandibular angle);

temporo-articular disorder syndrome is the most common disease of the oromaxillofacial region, and is clinically manifested by joint pain relief, joint ringing during exercise, mandibular movement disorder, and exercise is beneficial in treating disorders of the jaw joints. Movement is necessary to prevent cartilage deterioration, soft tissue delamination of the jaw articular surface. In many cases, movement can stimulate joint healing, reduce joint pain and swelling. By stretching and relaxing the jawbone muscles, the progressive increase in training helps to improve the opening degree of the patient with muscle pain. Passive movement may also enhance the advantages of treatment planning, especially subsequent training. So passive opening training has good effect on patients with jawbone joint disorder or physical treatment of jawbone after operation.

The existing temporal joint rehabilitation training generally comprises two supporting rods hinged with each other, wherein the tail ends of the supporting rods are provided with upper and lower dental brackets, and springs are arranged between the two supporting rods; when in use, the upper and lower dental trays are put into the oral cavity, and the stay bar is repeatedly pressed by hands to repeatedly open and close the temporal joint;

the existing temporal joint rehabilitation instrument is simple in structure, when long-time rehabilitation training is carried out, the user can generate fatigue on the hands due to continuous grip strength exercise, meanwhile, the head of the user moves freely, and the head movement can lead to nonstandard correction posture or error, so that the rehabilitation effect is poor.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a rehabilitation device for temporal joints, which solves the problems.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a rehabilitation device for temporomandibular joints, characterized in that: the safety seat comprises a safety seat, a fixed armrest arranged on the safety seat and fixedly connected with the safety seat, a backrest fixedly connected with the fixed armrest, a mounting platform fixedly connected with the backrest, a multi-axis mechanical arm rotatably connected with the mounting platform and a rehabilitation mechanism mounted on the multi-axis mechanical arm; when in use, a user sits on the safety seat and is placed in front of the face through the multi-axis mechanical arm rehabilitation mechanism; the rehabilitation mechanism is arranged on the seat, so that the rehabilitation of the temporal joint can be carried out for a long time in a sitting state, the hands of a user are liberated, and the rehabilitation effect is improved; the multi-axis mechanical arm can provide various degrees of freedom, improves the flexibility of a rehabilitation mechanism, can adapt to the height and the shape of a user, performs rehabilitation training in an optimal posture, and improves the applicability and the rehabilitation effect of the rehabilitation device.

The backrest is provided with a head fixer; the head fixer is connected with the backrest in a sliding way and is used for fixing the head and the neck of a user;

preferably, the head fixer is provided with an air bag;

when in use, a user needs to put the lower part of the head into the head fixer and clamp and fix the head through the air bag, so that incorrect work and rest in the process of rehabilitation training is prevented, and the rehabilitation effect caused by head position deviation is not added; the head holder can be adjusted up and down to suit different people.

The rehabilitation mechanism comprises a mounting shaft fixedly connected to the multi-axis mechanical arm, a first non-return groove fixedly connected to the mounting shaft, a mounting sleeve sleeved on the mounting shaft, a mounting hole formed in the mounting sleeve, a control console fixedly connected to the mounting sleeve, a plurality of sliding rails fixedly connected to the mounting hole, a control shaft slidingly connected to the mounting hole, a sliding groove fixedly connected to the control shaft and slidingly connected to the sliding rails, a second non-return groove fixedly connected to the control shaft, a pressure groove formed in the control shaft, a pressure spring sleeved on the pressure groove and a first control knob fixedly connected to the pressure spring; after user's position of sitting adjustment is accomplished, through pressing the control cabinet, first contrary groove and the contrary groove of ending of second can take place the relative slip, simultaneously, compression spring is compressed, when the control cabinet drives the installation cover and overturns certain angle, under compression spring's effect, first contrary groove and the contrary groove of ending of second are locked again, realize the fixed of control cabinet, and then realized the every single move position to control cabinet and rehabilitation mechanism and adjusted, cooperation multiaxis arm, can realize the omnidirectional gesture and adjust, satisfy different users, and carry out rehabilitation training with best angle, alleviate patient's burden, promote recovered quality.

The control console comprises a control panel, a storage bin arranged on the upper part of the control panel, a driving block connected to the storage bin in a sliding manner, a driving shaft rotatably arranged on the driving block, a first driving flange sleeved on the driving shaft, an upper pressure plate fixedly connected to the first driving flange, a second driving flange sleeved on the driving shaft, a lower pressure plate fixedly connected to the second driving flange, a driving gear fixedly connected to the driving shaft, a driving motor fixedly connected to the driving block, an output gear rotatably connected to the driving motor, and a driving belt sleeved on the output gear and the driving gear; the driving shaft is provided with threads; preferably, threads are arranged in the first driving flange and the second driving flange, and the threads are opposite in rotation direction; after the gesture adjustment of user is accomplished, put into the mouth with the tip of upper pressure plate and lower pressure plate, after setting for recovered speed and biggest use angle through control panel, start driving motor, driving motor drives the drive shaft through driving belt and rotates, the drive shaft rotates, under the effect of screw thread, first driving flange drives upper plate upward movement, simultaneously, second driving flange drives the lower plate downward movement, carry out the recovered motion that opens and shuts of upper and lower jaw of auxiliary user, replace traditional push type, realize automated control, can accurate control upper plate and lower plate's stroke that opens and shuts, upper plate and lower plate's velocity of movement are slow stable, recovered effect is better.

The driving shaft comprises an upper half shaft and a lower half shaft; the upper half shaft is connected with the lower half shaft through an adjusting component; the adjusting component comprises a connecting shaft fixedly connected to the lower half shaft, a connecting groove arranged on the upper half shaft, a plurality of blind holes arranged on the connecting shaft, connecting pins connected to the blind holes in a sliding manner, connecting springs arranged on the blind holes and a plurality of grooves arranged on the connecting groove;

the length of the first driving flange is longer than that of the second driving flange; the drive shaft rotates, drive first driving flange and second driving flange motion, because first driving flange is longer, in the motion process, the upper portion of first driving flange can support the upper portion at the storage bin, lead to the top board to stop continuing upward movement, simultaneously, the holding down plate continues to keep down movement, further, the upper semi-axis is because receiving the resistance effect, unable rotation again, the head of connecting pin is deviate from the recess, the connecting spring continues to keep rotating, the holding down plate continues to descend to appointed stroke, in use, the top board stops the motion after the certain distance of upward movement, the holding down plate continues the downward movement, the holding down plate is longer than the stroke of top board, more accord with ergonomics, because when the mouth opens and shuts the action, the angle that the lower jaw opened is bigger, the stroke is longer, guarantee more scientific and effective rehabilitation motion.

The propelling component comprises a propelling block fixedly connected with the driving block, a propelling hole formed in the propelling block, a propelling knob rotatably connected with the control console, a propelling shaft fixedly connected with the propelling knob and rotatably connected with the propelling hole, and a propelling spring sleeved on the propelling knob; the pushing shaft is provided with threads; the pushing knob is rotated, and the driving block can be driven to move back and forth in the storage bin through the pushing shaft, so that the driving block can be adjusted according to requirements, and the requirements of different users can be met.

The upper pressure plate is provided with a first sliding groove, the lower pressure plate is provided with a second sliding groove, the storage bin is fixedly connected with an upright post, the upright post is sleeved with an induction spring, and the lower part of the induction spring is provided with a pressure sensor; the upright post, the first sliding groove and the second sliding groove can provide guiding function for the movement of the upper pressing plate and the lower pressing plate, so that the movement accuracy is improved; the pressure sensor can sense the pressure generated by the rehabilitation mechanism, and feed back when the opening and closing angle is overlarge, and perform power-off protection.

The end parts of the upper pressure plate and the lower pressure plate are provided with mounting interfaces; the mounting interface is detachably connected with a protective sleeve; the protective sleeve can be replaced after being used, so that safety and sanitation are ensured.

In summary, the invention has the following advantages: the rehabilitation mechanism is arranged on the seat, so that the rehabilitation of the temporal joint can be carried out for a long time in a sitting state, the hands of a user are liberated, and the rehabilitation effect is improved; the multi-axis mechanical arm can provide various degrees of freedom, improves the flexibility of a rehabilitation mechanism, can adapt to the height and the shape of a user, performs rehabilitation training in an optimal posture, and improves the applicability and the rehabilitation effect of the rehabilitation device; the travel of holding down plate is longer than the top board, accords with ergonomic more because, when the mouth opens and shuts the action, the angle that the lower jaw opened is bigger, and the travel is longer, guarantees more scientific and effectual rehabilitation motion.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken along A-A of fig. 2.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is an exploded view of a portion of the rehabilitation facility of the present invention.

Detailed Description

In order to better understand the technical solutions of the present invention, the following description will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-6, a rehabilitation device for temporomandibular joint comprises a safety seat 1, a fixed armrest 11, a backrest 12, a mounting platform 13, a multi-axis mechanical arm 14 and a rehabilitation mechanism 2; the fixed armrests 11 are fixedly connected to the safety seat 1; the backrest 12 is fixedly connected to the fixed armrest 11; the mounting platform 13 is fixedly connected to the backrest 12; the multi-axis mechanical arm 14 is rotatably connected to the mounting platform 13; the rehabilitation unit 2 is mounted on the multi-axis mechanical arm 14.

The backrest 12 is provided with a head fixer 3; the head holder 3 is slidably coupled to the backrest 12 for securing the head and neck of a user.

The rehabilitation mechanism 2 comprises a mounting shaft 21, a first non-return groove 22, a mounting sleeve 23, a mounting hole 24, a control console 25, a sliding rail 26, a control shaft 27, a sliding groove 28, a second non-return groove 29, a pressure groove 210, a pressure spring 211 and a first control knob 212; the mounting shaft 21 is fixedly connected to the multi-axis mechanical arm 14; the first check groove 22 is fixedly connected to the mounting shaft 21; the mounting sleeve 23 is sleeved on the mounting shaft 21; the mounting hole 24 is arranged on the mounting sleeve 23; the console 25 is fixedly connected to the mounting sleeve 23; the sliding rails 26 are fixedly connected to the mounting holes 24 in total; the control shaft 27 is slidably connected to the mounting hole 24; the sliding groove 28 is fixedly connected to the control shaft 27 and is slidably connected to the sliding rail 26; the second check groove 29 is fixedly connected to the control shaft 27; the pressure groove 210 is arranged on the control shaft 27; the pressure spring 211 is sleeved on the pressure groove 210; the first control knob 212 is fixedly connected to the pressure spring 211.

The control console 25 comprises a control panel 251, a storage bin 252, a driving block 253, a driving shaft 254, a first driving flange 255, an upper pressure plate 256, a second driving flange 257, a lower pressure plate 258, a driving gear 259, a driving motor 260, an output gear 261 and a driving belt; the storage bin 252 is arranged on the upper part of the control panel 251; the driving block 253 is slidably connected to the storage bin 252; the driving shaft 254 is rotatably arranged on the driving block 253; the first driving flange 255 is sleeved on the driving shaft 254; the upper pressure plate 256 is fixedly connected to the first drive flange 255; the second driving flange 257 is sleeved on the driving shaft 254; the lower pressure plate 258 is fixedly connected to the second driving flange 257; the driving gear 259 is fixedly connected to the driving shaft 254; the driving motor 260 is fixedly connected to the driving block 253; the output gear 261 is rotatably connected to the driving motor 260; the driving belt is sleeved on the output gear 261 and the driving gear 259; the drive shaft 254 is threaded.

The drive shaft 254 includes an upper half shaft 31 and a lower half shaft 32; the upper half shaft 31 is connected with the lower half shaft 32 through an adjusting component 33; the adjusting component 33 comprises a connecting shaft 331, a connecting groove 332, a blind hole 333, a connecting pin 334, a connecting spring 335 and a groove 336; the connecting shaft 331 is fixedly connected to the lower half shaft 32; the connecting groove 332 is arranged on the upper half shaft 31; the driving blind hole 333 is disposed on the connecting shaft 331; the connecting pin 334 is slidably connected to the blind hole 333; the connecting spring 335 is disposed in the blind hole 333; the groove 336 is provided in the connecting groove 332.

The first drive flange 255 has a length that is greater than the length of the second drive flange 257.

The control console 25 is provided with a propulsion component 4; the propulsion assembly 4 comprises a propulsion block 41, a propulsion hole 42, a propulsion knob 43, a propulsion shaft 44 and a propulsion spring 45; the pushing block 41 is fixedly connected to the driving block 253; the pushing hole 42 is formed in the pushing block 41; the pushing knob 43 is rotatably connected to the console 25; the pushing shaft 44 is fixedly connected to the pushing knob 43 and rotatably connected to the pushing hole 42; the pushing spring 45 is sleeved on the pushing knob 43; the propeller shaft 44 is provided with a screw thread.

The upper pressure plate 256 is provided with a first sliding groove 263, the lower pressure plate 258 is provided with a second sliding groove 264, the storage bin 252 is fixedly connected with a stand column 265, the stand column 265 is sleeved with a sensing spring 266, and the lower part of the sensing spring 266 is provided with a pressure sensor 267.

The ends of the upper and

lower pressure plates

256, 258 are provided with mounting interfaces 268; the mounting interface 268 has a protective sheath 269 removably attached thereto.

The specific working process is as follows:

when in use, a user sits on the safety seat 1, and the rehabilitation mechanism 2 is arranged in front of the face through the multi-axis mechanical arm 14; the rehabilitation mechanism 2 is arranged on the seat, so that the rehabilitation of the temporal joint can be carried out for a long time in a sitting state, the hands of a user are liberated, and the rehabilitation effect is improved; the multi-axis mechanical arm 14 can provide multiple degrees of freedom, improves the flexibility of the rehabilitation mechanism 2, can adapt to the height and the shape of a user, performs rehabilitation training in an optimal posture, and improves the applicability and the rehabilitation effect of the rehabilitation device

When in use, a user needs to put the lower part of the head into the head fixer 3 and clamp and fix the head through the air bag, so that incorrect work and rest in the process of rehabilitation training is prevented, and the rehabilitation effect caused by head position deviation is not added; the head holder 3 can be adjusted up and down to adapt to different people

After the sitting posture of the user is adjusted, the control console 25 is pressed, the first check groove 22 and the second check groove 29 can slide relatively, meanwhile, the pressure spring 211 is compressed, when the control console 25 drives the mounting sleeve 23 to turn over a certain angle, under the action of the pressure spring 211, the first check groove 22 and the second check groove 29 are locked again, the control console 25 is fixed, the pitching position of the control console 25 and the rehabilitation mechanism 2 is adjusted, the multi-axis mechanical arm 14 is matched, the omnibearing posture adjustment can be realized, different users are met, the rehabilitation training is carried out at an optimal angle, the burden of a patient is lightened, and the rehabilitation quality is improved.

The first driving flange 255 and the second driving flange 257 are internally provided with threads, and the threads are in opposite directions; when the gesture adjustment of the user is completed, the ends of the upper pressure plate 256 and the lower pressure plate 258 are put into the mouth, after the recovery speed and the maximum use angle are set by the control panel 251, the driving motor 260 is started, the driving motor 260 drives the driving shaft 254 to rotate through the driving belt, the driving shaft 254 rotates, under the action of the screw thread, the first driving flange 255 drives the upper pressure plate to move upwards, simultaneously, the second driving flange 257 drives the lower pressure plate to move downwards, the upper jaw and the lower jaw of the user are assisted to carry out the recovery movement, the traditional pressing type is replaced, the automatic control is realized, the recovery stroke of the upper pressure plate and the lower pressure plate can be precisely controlled, the movement speed of the upper pressure plate and the lower pressure plate is slow and stable, the recovery effect is good,

the drive shaft 254 rotates to drive the first drive flange 255 and the second drive flange 257 to move, because the first drive flange 255 is longer, in the motion process, the upper portion of the first drive flange 255 can abut against the upper portion of the storage bin 252, so that the upper jaw stops moving upwards, and simultaneously, the lower jaw keeps moving downwards, further, the upper half shaft 31 can not rotate any more due to the resistance effect, the head of the connecting pin 334 is separated from the groove 336, the connecting spring 335 keeps rotating, the lower jaw keeps falling to a designated stroke, in use, the upper jaw stops moving after moving upwards for a certain distance, the lower jaw keeps moving downwards, and the lower jaw keeps moving downwards more than the upper jaw in stroke, so that the lower jaw is opened at a larger angle and longer in stroke, and more scientific and effective rehabilitation motion is ensured.

The pushing knob 43 is rotated, and the driving block 253 can be driven to move back and forth in the storage bin 252 through the pushing shaft 44, so that the driving block can be adjusted according to requirements, and the requirements of different users can be met.

The upright 265 and the first and second

sliding grooves

263 and 264 can provide a guiding function for the movement of the upper and lower pressing plates, improving the accuracy of the movement; the pressure sensor 267 can sense the pressure generated by the rehabilitation mechanism 2, feed back when the opening and closing angle is overlarge, and perform power-off protection

The protective sleeve 269 can be replaced after use, ensuring safety and hygiene.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A rehabilitation device for temporomandibular joints, characterized in that: the safety seat comprises a safety seat (1), a fixed armrest (11) fixedly connected to the safety seat (1), a backrest (12) fixedly connected to the fixed armrest (11), a mounting platform (13) fixedly connected to the backrest (12), a multi-axis mechanical arm (14) rotatably connected to the mounting platform (13) and a rehabilitation mechanism (2) mounted on the multi-axis mechanical arm (14);

the backrest (12) is provided with a head fixer (3); the head fixer (3) is connected with the backrest (12) in a sliding way and is used for fixing the head and the neck of a user;

the rehabilitation mechanism (2) comprises a mounting shaft (21) fixedly connected to the multi-shaft mechanical arm (14), a first backstop groove (22) fixedly connected to the mounting shaft (21), a mounting sleeve (23) sleeved on the mounting shaft (21), a mounting hole (24) formed in the mounting sleeve (23), a control console (25) fixedly connected to the mounting sleeve (23), a plurality of sliding rails (26) fixedly connected to the mounting hole (24), a control shaft (27) slidingly connected to the mounting hole (24), a sliding groove (28) fixedly connected to the control shaft (27) and slidingly connected to the sliding rails (26), a second backstop groove (29) fixedly connected to the control shaft (27), a pressure groove (210) formed in the control shaft (27), a pressure spring (211) sleeved on the pressure groove (210) and a first control knob (212) fixedly connected to the pressure spring (211);

the control console (25) comprises a control panel (251), a storage bin (252) arranged on the upper portion of the control panel (251), a driving block (253) connected to the storage bin (252) in a sliding mode, a driving shaft (254) rotatably arranged on the driving block (253), a first driving flange (255) sleeved on the driving shaft (254), an upper pressure plate (256) fixedly connected to the first driving flange (255), a second driving flange (257) sleeved on the driving shaft (254), a lower pressure plate (258) fixedly connected to the second driving flange (257), a driving gear (259) fixedly connected to the driving shaft (254), a driving motor (260) fixedly connected to the driving block (253), an output gear (261) rotatably connected to the driving motor (260) and a driving belt (262) sleeved on the output gear (261) and the driving gear (259); the driving shaft (254) is provided with threads;

the driving shaft (254) comprises an upper half shaft (31) and a lower half shaft (32); the upper half shaft (31) is connected with the lower half shaft (32) through an adjusting component (33); the adjusting component (33) comprises a connecting shaft (331) fixedly connected to the lower half shaft (32), a connecting groove (332) formed in the upper half shaft (31), a plurality of blind holes (333) formed in the connecting shaft (331), connecting pins (334) slidably connected to the blind holes (333), connecting springs (335) formed in the blind holes (333), and a plurality of grooves (336) formed in the connecting groove (332);

the length of the first driving flange (255) is greater than the length of the second driving flange (257); the drive shaft rotates, drive first driving flange and second driving flange motion, because first driving flange is longer, in the motion process, the upper portion of first driving flange can support the upper portion at the storage bin, lead to the top board to stop continuing upward movement, simultaneously, the holding down plate continues to keep down movement, the upper semi-axis is because receiving the resistance effect, unable rotation again, the head of connecting pin deviate from the recess, the connecting spring continues to keep rotating, the holding down plate continues to descend to appointed stroke, in use, the top board stops moving after the certain distance of upward movement, the holding down plate continues the downward movement, the holding down plate is longer than the stroke of top board, more accord with ergonomics, because, the angle that the lower jaw opens is bigger when the mouth opens and shuts the action, the stroke is longer, guarantee more scientific and effective rehabilitation motion.

2. A rehabilitation device for temporomandibular joints according to claim 1, characterized in that: a propulsion component (4) is arranged on the console (25); the propulsion assembly (4) comprises a propulsion block (41) fixedly connected to the driving block (253), a propulsion hole (42) formed in the propulsion block (41), a propulsion knob (43) rotatably connected to the console (25), a propulsion shaft (44) fixedly connected to the propulsion knob (43) and rotatably connected to the propulsion hole (42), and a propulsion spring (45) sleeved on the propulsion knob (43); the propeller shaft (44) is provided with threads.

3. A rehabilitation device for temporomandibular joints according to claim 2, characterized in that: be equipped with first sliding tray (263) on last pressure board (256), be equipped with second sliding tray (264) on lower pressure board (258), fixedly connected with stand (265) in storage silo (252), the cover is equipped with sensing spring (266) on stand (265), sensing spring (266) lower part is equipped with pressure sensor (267).

4. A rehabilitation device for the temporomandibular joint according to claim 3, characterized in that: the ends of the upper pressure plate (256) and the lower pressure plate (258) are provided with mounting interfaces (268); the mounting interface (268) is detachably connected with a protective sleeve (269).