CN218552644U

CN218552644U - Oral cavity struts and opening rehabilitation training device

Info

Publication number: CN218552644U
Application number: CN202221672411.1U
Authority: CN
Inventors: 杨双
Original assignee: Tianjin Medical University Cancer Institute and Hospital
Current assignee: Tianjin Medical University Cancer Institute and Hospital
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-03-03
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses an oral cavity distraction and opening rehabilitation trainer, which comprises a shell and a cover, wherein an occlusion component is arranged in the shell, the occlusion component comprises a fixed plate, an upper jaw force arm and a lower jaw force arm, and the joint of the upper jaw force arm and the lower jaw force arm is provided with an elastic bending part with an arc structure; the upper jaw force arm and the lower jaw force arm extend out of the shell, and an upper dental mouthpiece support plate and a lower dental mouthpiece support plate are arranged at the free ends of the upper jaw force arm and the lower jaw force arm; a disc resistance adjustable potentiometer is arranged in a mounting cavity enclosed by the elastic bending part through a rotating shaft, a sliding sheet of the disc resistance adjustable potentiometer is connected with a driving rocker, and the other end of the driving rocker is hinged with an upper jaw force arm or a lower jaw force arm; a dynamic torque sensor is arranged outside the rotating shaft provided with the sliding sheet; the disc resistor adjustable potentiometer and the dynamic torque sensor are connected with the processor, the processor is connected with the LED display screen, and the LED display screen is installed on the cover. The utility model has the advantages of accuracy, science and controllability.

Description

Oral cavity struts and opening rehabilitation training ware

Technical Field

The utility model belongs to the technical field of the supplementary recovered medical instrument in oral cavity, especially, relate to an oral cavity struts and opening rehabilitation training ware.

Background

When masticatory muscles or other soft tissues around temporomandibular joints are positioned in a radiation field, radiation causes local edema of tissues, cell damage and fibrosis, mouth opening is limited, and the mobility of an affected muscular system is reduced; according to clinical response, the limitation of mouth opening is one of the most common complications of head and neck malignant tumor patients after radiotherapy, which not only affects the quality of life of the patients and even endangers life, but also brings serious social and economic burden. How to effectively prevent and treat the difficulty in opening the mouth after treatment is a clinical problem which is easy to ignore and needs to be solved by medical staff.

After radiotherapy for patients with head and neck tumors, the patients need daily training for mouth opening to maintain maximum mouth opening degree and jaw mobility. The prevention and treatment of the mouth opening limitation at present takes the control of the progress and the recovery function of the mouth opening limitation as main principles. However, several methods of treating dyspnoea have been evaluated by scholars, and current clinical evidence suggests that patients with stoma training interventions or with stoma rehabilitators have a significantly better maximum stoma opening than patients without assisted exercise. Generally, the mouth opening limitation can last for 3 to 6 months or even longer after the radiotherapy is finished. Therefore, for patients at risk of occlusal cleft, the training of the mouth opening is continued during this period, supplemented with physiotherapy. In clinic, if the opening degree is found to be reduced, a wedge-shaped hard rubber block or a step-shaped wood block with proper thickness can be used as an opening device, the thickness is gradually increased, and the opening degree is gradually increased; still train with the mouth gag sometimes, above training mode, mostly still stop in the dipperstick and measure, traditional manual operation's such as manual record mode does not have the device of functions such as automatic accurate measurement opening degree, atress degree, painful aassessment, training record.

In view of the above technical problems, the applicant has searched and found that the prior art discloses an intelligent mouth-opening rehabilitation device, whose publication number is CN 112107457A, comprising: a main body (1) provided with an upper engaging pad and a lower engaging pad at one end thereof; a pressure sensor is arranged in the upper occlusion pad and/or the lower occlusion pad and is used for acquiring pressure data of the upper jaw and/or the lower jaw of the oral cavity of the patient when the upper occlusion pad and/or the lower occlusion pad are used; the stepping motor is used for driving the upper occlusion pad and/or the lower occlusion pad to longitudinally swing; and the processor is used for enabling the stepping motor to run or stop according to the pressure data and/or preset training instructions so as to drive the upper occlusion pad and/or the lower occlusion pad (3) to longitudinally swing or stop. This recovered ware of mouthful is opened to intelligence not only can need not manually, realizes the opening and shutting of going up interlock pad (2) and lower interlock pad (3) automatically.

The prior art still discloses an intelligence opening training ware, and its publication number is CN211723863U, the utility model discloses an intelligence opening training ware, including external mechanism and internal mechanism, external mechanism includes surface housing, and the display is installed on surface housing, and switch sets up in the display below, and switch one side is equipped with in proper order and begins to reach the function selection key, increase the key and reduce the key, and the occlusal plate is installed to surface housing one side, and lower occlusal plate sets up in last occlusal plate below. The inner structure include the circuit board, circuit board one side be equipped with battery and motor in proper order (the power transmission lever passes through the screw fixation and be in motor one side, this prior art passes through the cooperation motion of last occlusal plate, lower occlusal plate, screw and power transmission lever, realizes the correction to the disorderly symptom of user's flesh source temporomandibular joint, the electrical components of installation is used for realizing right on the circuit board the utility model discloses holistic control.

Above prior art all uses the cell-phone to come as passive drive's mode, has the structure complicacy, and defect such as cost is higher solves same technical problem for reaching same utility model purpose, the utility model provides an do not adopt motor drive, can realize accurate, scientific, and controllable oral cavity struts and opening rehabilitation training ware.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides an accurate, scientific, and controllable oral cavity struts and opening rehabilitation training ware.

The utility model discloses a realize like this, an oral cavity struts and opening rehabilitation training device, its characterized in that: the occlusion component comprises a fixing plate, moment arms which are symmetrically distributed and open at an angle are arranged on the same side of the fixing plate, the moment arms are an upper jaw moment arm and a lower jaw moment arm respectively, and elastic bending parts with arc structures are arranged at the joints of the upper jaw moment arm and the lower jaw moment arm; an upper jaw force arm and a lower jaw force arm extending groove are formed in the side wall of the shell; the free ends of the upper jaw force arm and the lower jaw force arm extend out of the shell from the extending groove, and an upper dental mouthpiece support plate and a lower dental mouthpiece support plate for mounting dental mouthpiece are arranged at the free ends of the upper jaw force arm and the lower jaw force arm; a disc resistance adjustable potentiometer is arranged in a mounting cavity enclosed by the elastic bending parts of the arc structures of the upper jaw force arm and the lower jaw force arm through a rotating shaft, a sliding sheet of the disc resistance adjustable potentiometer is connected with a driving rocker, and the other end of the driving rocker is hinged with the upper jaw force arm or the lower jaw force arm; a dynamic torque sensor is arranged on the rotating shaft, a proximity switch is arranged between an upper jaw force arm and a lower jaw force arm in the shell, and the proximity switch is connected with a counter; the output terminals of the disc resistor adjustable potentiometer, the dynamic torque sensor and the counter are connected with an I/0 terminal of the processor, the I/0 terminal of the processor is connected with the LED display screen, and the LED display screen is installed on the cover.

Preferably, a locking component which enables the upper jaw force arm and the lower jaw force arm to keep a relatively fixed opening angle is arranged between the upper jaw force arm and the lower jaw force arm on the outer side of the shell.

Preferably, the locking assembly comprises a fan-shaped ratchet bar, a pawl and a torsion spring, one end of the fan-shaped ratchet bar is hinged on the upper jaw force arm or the lower jaw force arm, the other end of the fan-shaped ratchet bar extends to the opposite side, the pawl is hinged on the lower jaw force arm or the upper jaw force arm on the opposite side, and the torsion spring is mounted on the pawl.

Preferably, the locking assembly comprises a binding belt, one end of the binding belt is fixed on the upper jaw force arm or the lower jaw force arm, the other end of the binding belt is a free end, and a magic thread gluing is arranged on the binding belt.

Preferably, a holding handle is arranged on the shell opposite to the back of the LED display screen.

The utility model has the advantages and technological effect:

the utility model adopts the above technical scheme, the elasticity that utilizes the elasticity of the elastic bending part of the upper jaw arm of force and the lower jaw arm of force to make the upper jaw arm of force and the lower jaw arm of force be in the state of opening at first, and the patient's oral cavity is opened an angle in a self-adaptation way under the effect of elastic potential energy again after occlusion, and the phenomenon that the angle is too big to cause secondary damage can not appear; the opening angle is just the maximum angle limited by the opening, and a certain angle is further opened under the support of the upper jaw force arm and the lower jaw force arm at the moment, so that the progressive opening training is achieved; the structure changes the condition that the forced opening force of the existing motor is softer than that of the existing motor, and the secondary injury of a patient caused by overlarge force or the psychological conflict of training can not occur; thereby affecting the rehabilitation training effect. In addition, the utility model reflects the angle change of the rocker arm along with the change of the resistance in the occlusion training process through the disc resistance adjustable potentiometer, and determines the mouth opening amplitude and the mouth opening times of the patient to calculate; meanwhile, the size of the occlusal force can be acquired in real time through the dynamic torque sensor, and is displayed and stored through the display device, so that medical personnel can conveniently record and manage the treatment scheme and the treatment effect of the patient in the later period.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic perspective view of the structure of example 1;

fig. 4 and 5 are schematic views of the internal structure with the cover removed.

FIG. 6 is a schematic structural view of example 2;

FIG. 7 is a structural view of a locked state in accordance with embodiment 2;

FIG. 8 is a schematic structural view of example 3.

In the figure, 1, a shell; 1-1, extending out of the groove; 2. a cover; 3. an engaging member; 3-0, fixing plates; 3-1, maxillary moment arm; 3-10 parts of elastic bending part; 3-2, a mandible force arm; 3-20 parts of elastic bending part; 3-3, an upper tooth socket supporting plate; 3-4, a lower tooth socket supporting plate; 3-5, driving a rocker; 3-6, a dynamic torque sensor; 3-7, a proximity switch; 4. a disc resistance adjustable potentiometer; 4-1, sliding sheets; 4-2, a rotating shaft; 5. an LED display screen; 6. A locking assembly; 6-1, fan-shaped ratchets; 6-2, pawl; 6-3, a torsion spring; 6-4, binding tapes; 7. and (4) holding the handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 5, an oral cavity expanding and opening rehabilitation trainer comprises a shell 1 and a cover 2, wherein an occlusion member 3 is arranged in the shell and comprises a fixing plate 3-0, the same side of the fixing plate is provided with symmetrically distributed moment arms which are expanded at an angle and respectively comprise an upper jaw moment arm 3-1 and a lower jaw moment arm 3-2, and the joint of the upper jaw moment arm and the lower jaw moment arm is provided with elastic bending parts 3-10 and 3-20 with arc structures; an upper jaw force arm and a lower jaw force arm extending groove 1-1 are arranged on the side wall of the shell; the free ends of the upper jaw force arm and the lower jaw force arm extend out of the shell from the extending grooves, and upper dental mouthpiece supporting plates 3-3 and lower dental mouthpiece supporting plates 3-4 for mounting dental mouthpiece are arranged at the free ends of the upper jaw force arm and the lower jaw force arm, so that the dental mouthpiece can be replaced at regular time or be used in a sleeved mode again after being sterilized; a disc resistance adjustable potentiometer 4 is arranged in a mounting cavity enclosed by an elastic bending part of an arc-shaped structure of an upper jaw force arm and a lower jaw force arm, a slide sheet 4-1 of the disc resistance adjustable potentiometer is connected with a driving rocker 3-5, and the other end of the driving rocker is hinged with the upper jaw force arm or the lower jaw force arm; the structure is adopted to make the upper jaw force arm and the lower jaw force arm do rotary motion around the center of the rotating shaft in the occlusion training process, the driving rocker is driven to move in the swinging process, the driving rocker drives the sliding sheet of the disc resistance adjustable potentiometer to do rotary motion, so that the resistance value of the disc resistance adjustable potentiometer is changed, different resistance values correspond to voltage signals with different sizes, the voltage signals and the opening angles of the upper jaw force arm and the lower jaw force arm have one-to-one correspondence relationship, namely the size of the opening angle can be indirectly obtained through the size of the resistance value, and in the occlusion training process, the angle change of the rocker arm is reflected through the change of the resistance, so that the opening amplitude of a patient is determined; a dynamic torque sensor 3-6 is arranged on a rotating shaft 4-2 for mounting the sliding sheet and is used for acquiring the size of the occlusion force in the occlusion process; a proximity switch 3-7 is arranged between the upper jaw moment arm and the lower jaw moment arm in the shell, the proximity switch is connected with a counter, and when the distance between the upper jaw moment arm and the lower jaw moment arm reaches a set value, the counter records once; the output terminals of the disc resistor adjustable potentiometer, the dynamic torque sensor and the proximity switch are connected with an I/0 terminal of the processor, the I/0 terminal of the processor is connected with an LED display screen 5, and the LED display screen is arranged on the cover 2 and used for displaying the size of the occlusal force in the occlusion process, the angle of the mouth opening of the patient and the mouth opening times of the patient.

In the preferred embodiment described above:

the model of the disc resistor adjustable potentiometer is as follows; the Kyowa electronic technology Co., ltd is BC 1-disc resistance adjustable potentiometer;

the model of the dynamic torque sensor is as follows; the brand of UNIPULSE is UNIPULSE UTMII-500 Nm (WR) -19.05;

the type of the processor is as follows; the processor is a multi-channel sensor signal processor with low power consumption and low noise, and the model MAX1464 of the processor is provided; the multi-channel sensor signal processor can provide amplification, calibration and linearization processing for various sensors.

The approach switch is selected from the following components: SUNX supernatural flat proximity switch limit sensor GL-12F.

Since the electronic components are purchased existing devices and the assembling and connecting relationship thereof can be completed according to the instruction manual, the details are not repeated herein.

Preferably, the back relative to the LED display screen is provided with a holding handle 7 on the shell, so that the LED display screen is convenient for hand-held operation and beneficial to other people to assist in rehabilitation training.

In embodiment 2, on the basis of embodiment 1, a locking component 6 for keeping the maxillary moment arm and the mandibular moment arm at a relatively fixed opening angle is arranged between the maxillary moment arm and the mandibular moment arm at the outer side of the shell, and the maxillary moment arm 3-1 and the mandibular moment arm 3-2 can be relatively fixed through the locking component, so that the maintenance training of a specific opening angle is achieved. In this embodiment, the locking assembly 6 preferably adopts the following technical scheme, the locking assembly 6 comprises a fan-shaped ratchet strip 6-1, a pawl 6-2 and a torsion spring 6-3, one end of the fan-shaped ratchet strip is hinged on the upper jaw force arm or the lower jaw force arm, the other end of the fan-shaped ratchet strip extends to the opposite side, the pawl is hinged on the lower jaw force arm or the upper jaw force arm on the opposite side, the torsion spring is arranged on the pawl, and when the fixed angle is required, the fan-shaped ratchet strip only needs to be rotated and close to the pawl, and the pawl is kept engaged with the ratchet on the outer circumference of the fan-shaped ratchet strip under the action of the torsion spring, so that the relative position of the upper jaw force arm and the lower jaw force arm is locked.

Embodiment 3, on the basis of embodiment 1 the locking subassembly includes binding belt 6-4, and the one end of binding belt is fixed on the upper jaw arm of force or the lower jaw arm of force, and the other end is the free end, be equipped with the magic thread gluing on the binding belt, the free end of binding belt is walked around the lower jaw arm of force or the upper jaw arm of force when in actual use, and then the magic thread gluing is fixed, convenient and fast, and the cost is comparatively cheap moreover.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an oral cavity struts and opening rehabilitation training device which characterized in that: the occlusion component comprises a fixing plate, moment arms which are symmetrically distributed and open at an angle are arranged on the same side of the fixing plate, the moment arms are an upper jaw moment arm and a lower jaw moment arm respectively, and elastic bending parts with arc structures are arranged at the joints of the upper jaw moment arm and the lower jaw moment arm; an upper jaw force arm and a lower jaw force arm extending groove are formed in the side wall of the shell; the free ends of the upper jaw force arm and the lower jaw force arm extend out of the shell from the extending groove, and an upper dental mouthpiece support plate and a lower dental mouthpiece support plate for mounting dental mouthpiece are arranged at the free ends of the upper jaw force arm and the lower jaw force arm; a disc resistance adjustable potentiometer is arranged in a mounting cavity enclosed by the elastic bending parts of the arc structures of the upper jaw force arm and the lower jaw force arm through a rotating shaft, a sliding sheet of the disc resistance adjustable potentiometer is connected with a driving rocker, and the other end of the driving rocker is hinged with the upper jaw force arm or the lower jaw force arm; a dynamic torque sensor is arranged on the rotating shaft, a proximity switch is arranged between an upper jaw force arm and a lower jaw force arm in the shell, and the proximity switch is connected with a counter; the output terminals of the disc resistor adjustable potentiometer, the dynamic torque sensor and the counter are connected with an I/0 terminal of the processor, the I/0 terminal of the processor is connected with the LED display screen, and the LED display screen is installed on the cover.

2. The oral cavity expanding and opening rehabilitation training device as claimed in claim 1, wherein a locking component is provided between the upper jaw arm and the lower jaw arm outside the shell to keep the upper jaw arm and the lower jaw arm at a relatively fixed opening angle.

3. The oral cavity expanding and opening rehabilitation trainer according to claim 2, wherein the locking assembly comprises a fan-shaped ratchet bar, a pawl and a torsion spring, one end of the fan-shaped ratchet bar is hinged on the upper jaw moment arm or the lower jaw moment arm, the other end of the fan-shaped ratchet bar extends to the opposite side, the pawl is hinged on the lower jaw moment arm or the upper jaw moment arm on the opposite side, and the torsion spring is mounted on the pawl.

4. The oral cavity distraction and opening rehabilitation trainer according to claim 1, wherein the locking assembly comprises a binding band, one end of the binding band is fixed on the upper jaw arm of force or the lower jaw arm of force, the other end is a free end, and the binding band is provided with a magic thread gluing.

5. The oral cavity distraction and opening rehabilitation trainer according to claim 1, wherein a grip handle is provided on the housing opposite the back of the LED display screen.