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CN114028005A - Adjustable lip block that power was rescued in real-time supervision - Google Patents

Adjustable lip block that power was rescued in real-time supervision Download PDF

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Publication number
CN114028005A
CN114028005A CN202111501955.1A CN202111501955A CN114028005A CN 114028005 A CN114028005 A CN 114028005A CN 202111501955 A CN202111501955 A CN 202111501955A CN 114028005 A CN114028005 A CN 114028005A
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lip
adjustable
force
module
stop
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CN114028005B (en
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郭润智
李巍然
黄一平
李林蔚
王婉仪
胡开凡
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Peking University School of Stomatology
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Peking University School of Stomatology
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/08Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/20Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/73Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

本发明公开了一种可以实时监测矫治力的可调节式唇挡,包括:可调节唇挡和矫治力传感系统;矫治力传感系统安装在可调节唇挡内;矫治力传感系统能够检测可调节唇挡在矫治过程中的力学变化。本发明所设计的一种可以实时监测矫治力的可调节式唇挡,可实现矫治过程中的力学监测,始终确保矫治力处于最适力,制定了患者个性化的唇挡矫治器;通过可伸缩的唇挡杆,可以实现矫治力的自由控制;将唇挡分为弱矫治力(1.5N)/强矫治力(3.0N)两种矫治模式;将矫治力降低至1.5N,此时患者无明显不适,对容貌影响较小。将矫治力增加至3.0N,最大限度发挥矫治器的作用;通过矫治力传感系统的监测,可以实现患者矫治力的自行调整,简化临床操作,避免患者反复就诊。

Figure 202111501955

The invention discloses an adjustable lip block capable of real-time monitoring of correction force, comprising: an adjustable lip block and a correction force sensing system; the correction force sensing system is installed in the adjustable lip block; the correction force sensing system can Detect the mechanical changes of the adjustable lip block during the correction process. An adjustable lip block that can monitor the orthodontic force in real time designed by the invention can realize the mechanical monitoring in the orthodontic process, always ensure that the orthodontic force is at the optimum force, and formulate a patient's personalized lip block appliance; The retractable lip bar can realize the free control of the orthodontic force; the lip bar is divided into two orthodontic modes: weak orthodontic force (1.5N)/strong orthodontic force (3.0N); the orthodontic force is reduced to 1.5N, and the patient No obvious discomfort, little impact on appearance. Increase the orthodontic force to 3.0N to maximize the role of the orthodontic appliance; through the monitoring of the orthodontic force sensing system, the patient's orthodontic force can be adjusted by itself, simplifying clinical operations and avoiding repeated visits by patients.

Figure 202111501955

Description

Adjustable lip block that power was rescued in real-time supervision
Technical Field
The invention belongs to the technical field of oral medicine, and particularly relates to an adjustable lip stop capable of monitoring correcting force in real time.
Background
The lip block is an orthodontic removable appliance which can be taken off and worn, and is mainly used for solving the problems of light and medium crowding of dental arch caused by molar advancement in the dental period and the enhancement of molar anchorage in the fixed correction process in the permanent period. The lip block is separated from teeth according to the correction principle, so that the acting force of the lip muscles on the anterior teeth is eliminated, the original muscle balance inside and outside the dentition is broken, the tension of the lip muscles is transmitted to the molar, and the molar is prevented from moving in the middle or moving far away. After eliminating the abnormal action of the labial muscles, the lingual muscles play a major role, the lower anterior labial margin is inclined, and the circumference of the dental arch is correspondingly increased. In addition, the labial shield often extends to the floor of the vestibular sulcus, pulls the periosteum, stimulates new bone formation, and promotes jaw development. For patients with bad lip habits, the lip block can also play a more obvious role, and the bad lip muscle habits can be corrected. At present, the lip block is widely applied in the orthodontic field, and can be divided into a maxillary lip block and a mandibular lip block according to positions. The maxillary lip stop is mainly used for the patients with the mild and moderate crowding of the dentition and the distant relationship of the molars, while the mandibular lip stop is mainly used for the patients with the mild and moderate crowding of the dentition and the close relationship of the molars.
Different studies report inconsistent results regarding the effect of distal molar mobility using lip stops. Some studies have reported that the maxillary labial block can move the maxillary molars 2.9mm far, whereas Korn's study found that the maxillary first molars only move 0.3mm far and parallel after the labial block was used. The researchers in China find that the mandible molars move 1.38mm far and middle and incline 4.12 degrees far and middle after the mandible lip block is used. The treatment effect of the lip block is obviously related to the size of the correction force, and the proper correction force can realize the obvious molar far and middle movement. The excessive correction force causes discomfort and ulcer of the lips of the patient, and the lip closing of the patient is difficult, so that the appearance of the patient is affected. The treatment force is too small, and the effective treatment effect cannot be realized. The Sakudu study reported that the labial muscles exert a force on the labial block of about 0.98 to 2.94N, producing a significant mesial molar movement effect. In addition, when the patient performs oral functions (such as speaking, chewing, swallowing and the like), the strength of the lip muscle is obviously increased, and the dynamic monitoring of the correction force in the lip block correction process is lacked in the current research.
The size of the correcting force is related to the distance between the lip block and the tooth surface and the shape and thickness of the lip block. The farther the lip stops are from the tooth surface, the greater the corrective force. Hodge's study found that a lip stop 2mm away from the incisors produced a force of 5.53gm, a lip stop 4mm away from the incisors produced a force of 16.68gm, and a patient swallowed up to 32 gm. The thicker the lip block, the greater the corrective force. Buschang's study found that when the anterior lip block plastic screen was increased to 2.7mm, the arch length was increased by 7.4mm, while when the anterior lip block plastic screen was 1.5mm thick, the arch length was 2.7 mm.
Traditional lip keeps off needs the patient to wear the lip fender all day, and the advice patient is noted and is closed the lip, performance lip fender maximum effect. Applying force every 3-4 weeks, and adjusting the position of the lip stop to be consistent with the original position to ensure that the correction force value is constant.
However, the traditional lip block cannot perform mechanical monitoring in the correction process, and the optimal correction force of a patient cannot be determined. The too big power of correction appears discomfortable in patient's lip, easily appears the ulcer, and the patient closes the lip difficulty, can influence patient's outward appearance, and the patient often is difficult to stick to the lip and keep off the treatment because of discomfortable and pleasing to the eye consideration. And if the correction force is too small, the effective treatment effect cannot be realized.
Along with the distal and middle movement of molar teeth, the force of the lip block can be gradually weakened, the position of the lip block away from the anterior teeth is gradually close to the anterior teeth, at the moment, a patient needs to see a doctor, and the doctor adjusts the position of the U-shaped curve clinically to recover the initial position of the lip block. The patient needs to be re-diagnosed once every 3-4 weeks. At present, a continuous monitoring device which can be used for correcting the force of the lip block is lacked, and the correction force can not be measured in the correction process of a patient.
The distance between the traditional lip block and the anterior teeth is generally 2.5-3.0mm, and the thickness of the lip block is about 2.5-3.0 mm. Patients need to wear the mask all day long, and the lips are prominent, which affects the appearance of the patients. The U-shaped curve in the lip block correction device is a rigid device, so that a patient cannot adjust the U-shaped curve by himself or herself, and needs to see a doctor for many times in the correction process, and the doctor adjusts the U-shaped curve clinically.
Furthermore, the magnitude of the corrective force is significantly related to the amount of patient lip muscle strength. The lip muscle strength difference among the individual patients is large, the lip muscles of some patients are tense, the lip muscles of some patients are relaxed, and the same lip block has different correction force for different patients. At present, the lip block is not designed according to the actual condition of the individual patient clinically, and the correcting force generated by the lip block in the treatment process is not monitored continuously. In order to ensure that the patient always maintains proper correction force in the lip block treatment process, a lip block which can dynamically monitor the correction force and can be adjusted is urgently needed.
Disclosure of Invention
The invention provides an adjustable lip stop capable of monitoring correcting force in real time, which comprises: the lip block and the correcting force sensing system can be adjusted;
the correcting force sensing system is arranged in the adjustable lip block;
the correcting force sensing system can detect the mechanical change of the adjustable lip block in the correcting process.
Furthermore, be provided with adjusting device in the adjustable lip block, use adjusting device to adjust adjustable lip block, adjustable lip block can produce different and correct the power.
Furthermore, the adjustable lip stop comprises a lip stop screen, a telescopic lip stop rod, a U-shaped curve and an adjustable knob;
the lip shield is positioned 2mm in front of the anterior teeth, extends to the middle of the canine teeth from two sides, and descends to the vestibular sulcus from the lower edge;
two ends of the lip blocking screen are respectively connected with a telescopic lip blocking rod;
the telescopic lip blocking rod is of a double-tube structure, the side section of the telescopic lip blocking rod leaves the front molar teeth for 4mm, the front section of the telescopic lip blocking rod enters the lip blocking screen, and the rear section of the telescopic lip blocking rod is provided with an adjustable knob;
the two adjustable knobs are respectively positioned at the front ends of the two U-shaped curves,
the U-shaped bend is supported at the middle of the outer arch pipe of the molar belt opening and faces downwards.
Further, the adjusting device is an adjustable knob;
the adjustable knob can be adjusted to adjust the length of the telescopic lip blocking rod;
after the length of the telescopic lip stopper rod is adjusted, the adjustable lip stopper generates correction force in the correction process within the range of 1-3N.
Furthermore, the correcting force sensing system also comprises a sensor module, a signal processing module, a control module, a communication module and a power supply module;
the sensor module is positioned on the lip surface of the lip blocking screen and is in direct contact with the lip muscles;
the sensor module is used for measuring positive pressure exerted on the lip muscle;
a chip is arranged in the lip blocking screen;
the signal processing module, the control module, the communication module and the power supply module are arranged in the chip;
the sensor module is connected with the chip circuit.
Further, the sensor module comprises a hard gasket, a sensitive layer and a force transmission pressing sheet from bottom to top;
the sensitive layer consists of a flexible substrate and a metal film, and the metal film is attached to the flexible substrate;
in the process of stretching the metal film, microcracks are generated on the surface of the metal film, the resistance is increased, and the resistance is reduced to an initial value after the tensile force is removed;
the force transfer pressing sheet is arranged on the lip surface of the lip baffle screen, the side with larger area is a direct stress surface, and the side with smaller area is in contact with the sensitive layer;
the hard gasket is attached to and fixes the sensitive layer.
Further, the hard gasket is provided with a groove structure;
when the sensitive layer is stretched, the sensitive layer deforms and enters the groove;
when the applied pressure exceeds the sensing range of the sensor module, the sensitive layer is in contact with the bottom of the groove and does not stretch any more.
Furthermore, the sensitive layer consists of a flexible substrate with a submicron microstructure and a titanium gold film subjected to thermal evaporation and evaporation.
Furthermore, the control module is in circuit connection with the signal processing module, the communication module and the power supply module;
the signal processing module is used for performing impedance matching and signal amplification on the signals transmitted by the sensor module;
the communication module communicates by using NFC; and the communication module is cooperated with the control module to receive the working instruction and output the sensing data.
Further, the power supply module comprises a power supply internal component;
the power supply internal assembly comprises an internal inductance coil and a voltage stabilizer, and the internal inductance coil and the voltage stabilizer are embedded in the adjustable lip block;
the adjustable lip block further comprises a power supply external assembly;
the power external component comprises an external inductive coil and an active NFC device;
the power supply external component can generate mutual inductance with the internal inductance coil of the power supply internal component to supply energy to the power supply internal component.
According to the adjustable lip stop capable of monitoring the correcting force in real time, which is designed by the invention, the correcting force real-time monitoring sensing system is added in the lip stop, so that the mechanical monitoring in the correcting process can be realized, the correcting force is always ensured to be in the most suitable force, and the personalized lip stop corrector for a patient is formulated; by adding the telescopic lip stop lever, the free control of the correction force can be realized; dividing the lip block into two correction modes of weak correction force (1.5N) and strong correction force (3.0N); when aesthetic requirements such as social contact exist, the patient shortens the lip stop lever by himself, the correcting force is reduced to 1.5N, and the patient does not have obvious discomfort at the moment and has small influence on appearance. The lip stop lever is prolonged when no social aesthetic demands and the like exist, the correcting force is increased to 3.0N, and the function of the correcting device is exerted to the maximum extent; through the monitoring of correcting the force sensing system, can realize that the patient corrects the self-adjustment of power, simplify clinical operation, avoid the patient to see a doctor repeatedly.
Drawings
Fig. 1 is a schematic structural diagram of a front side of an adjustable lip stop capable of monitoring a correcting force in real time according to an embodiment of the invention;
FIG. 2 is a schematic view of an adjustable lip block structure capable of monitoring orthodontic force in real time according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of an adjustable lip block sensor module capable of monitoring an orthodontic force in real time according to an embodiment of the invention.
In the figure: 1. a lip shield; 2. a retractable lip stop lever; 3. u-shaped koji; 4. an adjustable knob; 5. a sensor module; 51. force transmission tabletting; 52. a sensitive layer; 53. a hard gasket.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The invention provides an adjustable lip stop capable of monitoring correcting force in real time, which comprises: the lip block and the correcting force sensing system can be adjusted; the correcting force sensing system is arranged in the adjustable lip block; the correcting force sensing system can detect the mechanical change of the correcting force of the adjustable lip stop in the correcting process; according to the invention, the correcting force sensing system is added in the lip block, so that the mechanical change in the correcting process can be detected in real time, and the mechanical monitoring in the correcting process is realized.
Lip bumpers (lip bumpers) are orthodontic appliances that are often used to increase molar anchorage, correct poor lip habits, maintain arch length or expand arch width, etc.
The adjustable lip stop capable of monitoring the correcting force in real time has an adjustable function, and different correcting forces can be generated through adjustment. The patient can adjust himself to suit different applications. An adjusting device is arranged in the adjustable lip stop, the adjustable lip stop is adjusted by the adjusting device, and the adjustable lip stop can generate different correction forces.
As shown in fig. 1 and 2, the adjustable lip stop comprises a lip stop screen 1, a telescopic lip stop rod 2, a U-shaped curve 3 and an adjustable knob 4;
the lip shield 1 is positioned 2mm in front of the anterior teeth, extends to the middle of the canine teeth from two sides, is 3mm thick, descends to the vestibular sulcus at the lower edge, has a round edge, and buffers at the frenulum labialis;
the two ends of the lip blocking screen 1 are respectively and fixedly connected with a telescopic lip blocking rod 2;
the telescopic lip blocking rod 2 is of a double-tube structure, the side section is 4mm away from the front molar, the front section enters the lip blocking screen 1, and the rear section is provided with an adjustable knob 4;
the telescopic lip blocking rod 2 is a thin tube close to the lip blocking screen 1, a thick tube far away from the lip blocking screen 1 and is of a hollow structure; the thick pipe is sleeved on the thin pipe;
the two adjustable knobs 4 are respectively positioned at the front ends of the two U-shaped curves 3 at the two sides;
the U-shaped bend 3 is supported at the middle of the outer arch pipe of the molar belt opening and faces downwards.
The U-shaped koji 3 has two realization modes, one mode is that the U-shaped koji 3 is manufactured independently, and the other sides of the two adjustable knobs 4 are fixedly connected with the front end of the U-shaped koji 3 respectively; the other type is that the U-shaped curve 3 and the telescopic lip stop lever 2 are integrally manufactured, a thick pipe is used for bending the U-shaped curve 3, and the adjustable knob 4 is arranged between the telescopic lip stop lever 2 and the U-shaped curve 3 and is positioned at the front end of the U-shaped curve 3.
The adjusting device is an adjustable knob 4;
the adjustable knob 4 can be adjusted to adjust the length of the telescopic lip stop lever 2; adjusting the adjustable knob 4 causes the retractable lip stop lever 2 to extend or shorten, thereby controlling the position of the lip stop 1.
After the adjustable knob 4 is loosened, the thick pipe can move back and forth, so that the length adjustment is carried out. When the length is adjusted properly, the length adjustment is completed by screwing the adjustable knob 4.
After the length of the telescopic lip stop rod 2 is adjusted, the adjustable lip stop generates correction force in the correction process within the range of 1-3N. If need be weak when correcting the power, adjust flexible lip pin 2 and make and correct the display of power sensing system and correct and be 1.5N, if need when correcting the power by force, adjust flexible lip pin 2 and make and correct the display of power sensing system and correct and be 3.0N, correct the power value in addition and also can be adjusted according to the case needs by clinician, ensure to correct the power and suit.
The correcting force sensing system consists of two parts, one is a sensor module 5, the other is a chip, and a signal processing module, a control module, a communication module and a power supply module are arranged in the chip. The sensor module 5 is arranged on the labial surface of the labial shield 1 and is in direct contact with the labial muscles; the sensor module 5 is used for measuring the positive pressure exerted on the lip muscle; a chip is arranged in the lip blocking screen 1; the sensor module 5 is connected to the chip circuit.
As shown in fig. 3, the sensor module 5 includes a hard spacer 53, a sensitive layer 52 and a force-transmitting pressure sheet 51 from bottom to top. The sensitive layer 52 is composed of a flexible substrate and a metal film, and the metal film is attached to the flexible substrate. Preferably, the sensitive layer 52 is composed of a flexible substrate with a submicron microstructure and a titanium gold film evaporated by thermal evaporation. In the stretching process of the metal film, microcracks are generated on the surface of the metal film, the resistance is increased, after the tensile force is removed, the metal film is recovered, the resistance is reduced to an initial value, and the metal film can bear about 100% of strain under the maximum stretching.
The force transmission pressing sheet 51 is arranged on the lip surface of the lip screen 1, and the side with larger area is parallel to the plane of the lip surface of the lip screen 1. The side with the larger area is a direct force-bearing surface, and the side with the smaller area is in contact with the sensitive layer 52 and is used for transmitting the correcting force to the sensitive layer 52 and converting the pressure into the strain of the sensitive layer 52. This design takes advantage of the stretchability of the sensitive layer 52; the sensitive layer 52 has a large strain rate before and after being stressed, so that high-sensitivity pressure sensing is achieved, the shape similar to that of a traditional film sensor is kept, and the sensitive layer is conveniently embedded into the adjustable lip block. The hard spacers 53 engage and hold the edge regions of the sensitive layer 52 while providing support. The hard gasket 53 has a groove structure; the grooved area of the hard shim 53 leaves sufficient space for the stretching of the sensitive layer 52,
after the correcting force is generated, the larger area side of the force transmission pressing sheet 51 is stressed, and the smaller area side extrudes the sensitive layer 52 inwards; the sensitive layer 52 stretches while being deformed and enters the groove; the size of the groove is uniquely designed. When the applied pressure exceeds the sensing range of the sensor module 5, the sensitive layer 52 is in contact with the bottom of the groove and does not continue to stretch, so that the sensitive layer 52 is prevented from being directly broken under short-time large pressure, the pressure resistance of the sensor module 5 is improved, and the sensor module 5 is prevented from being damaged.
The chip is internally provided with a signal processing module, a control module, a communication module and a power supply module which are connected by a circuit.
The signal processing module: the signal processing module mainly comprises a follower and an amplifier, and is used for carrying out primary processing on an analog signal and carrying out impedance matching and signal amplification on a signal transmitted by the sensor module 5. In order to obtain the resistance response change of the sensor module 5, it is necessary to measure the voltage and current values of the sensor module 5, and when a signal is small, direct signal transmission causes large environmental noise to be included in the signal, and the accuracy of the measured value is reduced. Therefore, the follower and the amplifier are used for carrying out in-situ amplification on the analog signals, and the amplified signals have higher anti-interference capacity and are beneficial to carrying out subsequent data processing.
A control module: the control module is a micro control unit MCU, and the interior of the control module comprises a clock, an analog-to-digital converter ADC, a random access memory RAM and an I/O serial interface. The control module receives the analog signal processed by the signal processing module, and realizes analog-to-digital conversion, data storage and data flow control of the analog signal, namely: the control module cooperates with the communication module to receive external work instructions and output sensor signals from the random access memory to external communication equipment.
A communication module: the Communication module adopts an NFC (Near Field Communication ) architecture, an NFC chip is arranged inside the Communication module and comprises an RF transceiver (radio frequency transceiver) and an internal inductance coil, and the Communication module uses NFC for Communication. And the communication module is cooperated with the control module and is used for receiving the working instruction and outputting the sensing data.
A power supply module: the communication module comprises an internal inductance coil and a voltage stabilizer, wherein the internal inductance coil and the communication module are shared. The energy received by the internal inductance coil is transmitted to the NFC chip through the voltage stabilizer, so that the NFC chip is stabilized at a rated working voltage and drives the sensor module 5 and each circuit module to work.
The adjustable lip block further comprises an external assembly, and the external assembly comprises a power supply external assembly and an external control assembly. The power supply external component comprises an external inductance coil. The power supply external component and the power supply internal component are active-passive NFC devices. The power supply external component can generate mutual inductance with the power supply module to generate energy, so that the energy is transmitted to the embedded circuit (the sensor module 5 and the chip) of the adjustable lip block. The external assembly achieves communication and power supply functions through mutual inductance between the external inductance coil and the inductance coil inside the adjustable lip block. The external control assembly can receive the sensing data transmitted by the communication module and display the sensing data to a user, and meanwhile, the user can send a working instruction to the communication module through the external control assembly.
The invention designs an adjustable lip stop capable of monitoring correcting force in real time, which is used for correcting in the following way:
(1) clinical manufacturing of the appliance: taking a patient dentition model, installing a belt ring with an extraoral arch at a first molar part of the model, and designing an adjustable lip block with a sensing device according to the patient model. Wherein the lip shield is positioned 2mm in front of the anterior teeth, extends to the middle of the canine teeth from two sides, has a thickness of 3mm, descends to the vestibular sulcus at the lower edge, has a round and blunt edge, and buffers at the frenulum labialis; the telescopic lip blocking rod is of a double-tube structure, the length of the lip blocking rod can be adjusted by an adjustable knob, the side section of the lip blocking rod leaves the premolar section by 4mm, and the front section of the lip blocking rod enters the lip blocking screen; the U-shaped bend is pressed against the middle of the external arch pipe of the molar belt opening, and the direction of the U-shaped bend is downward; the sensor module is positioned on the lip surface of the lip blocking screen and is directly contacted with the lip muscle; the signal processing module, the control module, the communication module and the power supply module are located in a chip in the lip block screen.
(2) Clinical application of the appliance: the patient wears the lip block all day long and takes it off only during eating and brushing teeth. The lip block appliance can be divided into two modes of weak correction force and strong correction force, and the patient can adjust the lip block appliance by himself. Because the patient has social contact, pleasing to the eye demand such as, the power monitoring system is rescued to the patient's accessible daytime, and the power regulation will be rescued at 1.5N to the patient's accessible, and the lip fender is little to patient's face type influence this moment. And when non-social requirements such as night are met, the lip blocking rod is extended, and the correcting force is adjusted to be 3.0N. If the patient thinks that the lip block does not influence normal social contact, the patient wears the lip block all the day, and the correcting force is adjusted to be 3.0N.
The patient used in the following way:
(1) and starting the external component, and aligning the NFC coil of the external component with the lip surface of the lip shield with the alignment precision within 10 cm.
(2) An energy transmission channel is established, an internal circuit of the adjustable lip stop is driven to start working, a communication channel is established, and an instruction is sent to enable the adjustable lip stop embedded correction force sensing system to start working.
(3) The sensor module 5 acquires a correcting force signal of the adjustable lip stop, and the correcting force signal is amplified by the signal processing module and subjected to analog-to-digital conversion by the control module and then output to an external component.
(4) The external component begins receiving the sensory signal and the sensed corrective force is read and stored in the external component or transmitted to another device.
According to the adjustable lip stop capable of monitoring the correcting force in real time, which is designed by the invention, the correcting force real-time monitoring sensing system is added in the lip stop, so that the mechanical monitoring in the correcting process can be realized, the correcting force is always ensured to be in the most suitable force, and the personalized lip stop corrector for a patient is formulated; by adding the telescopic lip stop lever, the free control of the correction force can be realized; dividing the lip block into two correction modes of weak correction force (1.5N) and strong correction force (3.0N); when aesthetic requirements such as social contact exist, the patient shortens the lip stop lever by himself, the correcting force is reduced to 1.5N, and the patient does not have obvious discomfort at the moment and has small influence on appearance. The lip stop lever is prolonged when no social aesthetic demands and the like exist, the correcting force is increased to 3.0N, and the function of the correcting device is exerted to the maximum extent; through the monitoring of correcting the force sensing system, can realize that the patient corrects the self-adjustment of power, simplify clinical operation, avoid the patient to see a doctor repeatedly.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a can real-time supervision rescue adjustable lip of power keeps off which characterized in that includes: the lip block and the correcting force sensing system can be adjusted;
the correcting force sensing system is arranged in the adjustable lip block;
the correcting force sensing system can detect the mechanical change of the adjustable lip block in the correcting process.
2. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 1, wherein,
an adjusting device is arranged in the adjustable lip stop, the adjustable lip stop is adjusted by the adjusting device, and the adjustable lip stop can generate different correction forces.
3. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 2, wherein,
the adjustable lip stop comprises a lip stop screen (1), a telescopic lip stop rod (2), a U-shaped curve (3) and an adjustable knob (4);
the lip shield (1) is positioned 2mm in front of the anterior teeth, extends to the middle of the canine far from both sides, and descends to the vestibular sulcus at the lower edge;
two ends of the lip blocking screen (1) are respectively connected with a telescopic lip blocking rod (2);
the telescopic lip blocking rod (2) is of a double-tube structure, the side section of the telescopic lip blocking rod leaves 4mm away from the front molar, the front section of the telescopic lip blocking rod enters the lip blocking screen (1), and the rear section of the telescopic lip blocking rod is provided with an adjustable knob (4);
the two adjustable knobs (4) are respectively positioned at the front ends of the two U-shaped curves (3),
the U-shaped curve (3) is propped against the middle of the outer arch pipe of the molar belt opening and faces downwards.
4. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 3, wherein,
the adjusting device is an adjustable knob (4);
the adjustable knob (4) can be adjusted to adjust the length of the retractable lip stop lever (2);
after the length of the telescopic lip stop rod (2) is adjusted, the adjustable lip stop generates correction force within the range of 1-3N in the correction process.
5. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 4, wherein,
the correcting force sensing system also comprises a sensor module (5), a signal processing module, a control module, a communication module and a power supply module;
the sensor module (5) is positioned on the lip surface of the lip blocking screen (1) and is in direct contact with the lip muscles;
the sensor module (5) is used for measuring positive pressure exerted on the lip muscle;
a chip is arranged in the lip blocking screen (1);
the signal processing module, the control module, the communication module and the power supply module are arranged in the chip;
the sensor module (5) is connected with the chip circuit.
6. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 5, wherein,
the sensor module (5) comprises a hard gasket (53), a sensitive layer (52) and a force transmission pressing sheet (51) from bottom to top;
the sensitive layer (52) consists of a flexible substrate and a metal film, and the metal film is attached to the flexible substrate;
in the process of stretching the metal film, microcracks are generated on the surface of the metal film, the resistance is increased, and the resistance is reduced to an initial value after the tensile force is removed;
the force transmission pressing sheet (51) is arranged on the lip surface of the lip shield (1), the side with the larger area is a direct stress surface, and the side with the smaller area is in contact with the sensitive layer (52);
the hard gasket (53) is attached to and fixes the sensitive layer (52).
7. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 6, wherein,
the hard gasket (53) is provided with a groove structure;
when the sensitive layer (52) is stretched, the sensitive layer (52) deforms and enters the groove;
when the applied pressure exceeds the sensing range of the sensor module (5), the sensitive layer (52) is contacted with the bottom of the groove, and the stretching is not continued.
8. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 7,
the sensitive layer (52) is composed of a flexible substrate with a submicron microstructure and a titanium gold film subjected to thermal evaporation and evaporation.
9. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 8,
the control module is in circuit connection with the signal processing module, the communication module and the power supply module;
the signal processing module is used for carrying out impedance matching and signal amplification on the signals transmitted by the sensor module (5);
the communication module communicates by using NFC; and the communication module is cooperated with the control module to receive the working instruction and output the sensing data.
10. The adjustable lip stop capable of monitoring orthodontic force in real time according to claim 9, wherein,
the power supply module comprises a power supply internal component;
the power supply internal assembly comprises an internal inductance coil and a voltage stabilizer, and the internal inductance coil and the voltage stabilizer are embedded in the adjustable lip block;
the adjustable lip block further comprises a power supply external assembly;
the power external component comprises an external inductive coil and an active NFC device;
the power supply external component can generate mutual inductance with the internal inductance coil of the power supply internal component to supply energy to the power supply internal component.
CN202111501955.1A 2021-12-09 2021-12-09 An adjustable lip stopper capable of real-time monitoring of correction force Active CN114028005B (en)

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CN113413223A (en) * 2021-06-09 2021-09-21 浙江大学 Functional appliance capable of dynamically monitoring correction force value based on flexible electronic system and preparation method thereof
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* Cited by examiner, † Cited by third party
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US4637796A (en) * 1985-02-25 1987-01-20 Marcel Korn Office fabricated, adjustable function regulator
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