CN211355522U

CN211355522U - Tooth occlusal force detection device

Info

Publication number: CN211355522U
Application number: CN201921738729.3U
Authority: CN
Inventors: 朱兆麒
Original assignee: Xuzhou Medical University
Current assignee: Xuzhou Medical University
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-08-28
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to a medical detection apparatus technical field just discloses tooth occlusal force detection device, including detecting element and the control unit, detecting element includes the adhesion pad, the inside fixed mounting of adhesion pad has evenly distributed's piezoelectric film sensor, the top and the bottom of adhesion pad all contact and have the isolation protection cushion. The utility model discloses a, detect two pressures of keeping apart between the protection cushion through piezoelectric film sensor, convert this point measured pressure into the signal of telecommunication, and transmit for the control unit through cable and signal interface, utilize the inside AD conversion module of detector casing to convert the signal of telecommunication into data model and transmit for little the control unit, let little the control unit with data arrangement after-transmission to the liquid crystal drive module in, and then let the LCD screen show data, reach the occlusal force of accurate demonstration patient oral cavity tooth each point, and the patient that its accurate nature made with the intuition need not repeated try on the use, patient's misery has been reduced.

Description

Tooth occlusal force detection device

Technical Field

The utility model relates to the technical field of medical detection equipment, specifically be tooth occlusal force detection device.

Background

The occlusal force is derived from the masticatory muscle, but not the whole force thereof, is only a part of the maximum force of the masticatory muscle, is an important index reflecting the size of the masticatory function after being transmitted from teeth to periodontal tissues and finally dispersed to jaw bones, has important significance in the field of oral medical research, particularly is an important measure for improving the state of the occlusal function and evaluating the effects before and after treatment, and is an objective evaluation index commonly used for oral repair and orthodontic treatment because measuring the occlusal force is helpful for understanding the functional state of the oral and maxillofacial system and the health conditions of tissues such as the tooth body, the periodontal tissues, the masticatory muscle and the like.

When a dental hospital repairs and replaces and installs an artificial tooth (also called a false tooth), the dental hospital judges the flatness and the occlusal force of the artificial tooth by depending on the occlusion detection paper of a patient and according to the depth of occlusion traces of the paper, and has the following defects: 1. the dentist subjectively judges the size of the occlusal force and the position of the corresponding tooth by observing the depth and the position of the tooth occluded on the test paper through experience, and the accuracy is not good; 2. because the attention of the dentist is mainly put in the place with the maximum occlusal force, the patient needs to try on again and test again by test paper every time the dentist is correct, and great pain is brought to the patient; 3. the bite force is not easy to record: because there is not detailed data on the test paper, the test paper can warp after placing for a period of time, prior art can not accurate record the occlusal force of tooth, so proposed tooth occlusal force detection device and solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a tooth occlusal force detection device possesses advantages such as the occlusal force of convenient more accurate detection tooth, has solved the size that can not quantify tooth occlusal force, and single-point occlusal force is not directly perceived with the comparison of surrounding occlusal force, and the problem of occlusal force difficult to the record.

(II) technical scheme

For the purpose of realizing the above-mentioned convenient bite-force that detects the tooth more accurately, the utility model provides a following technical scheme: tooth occlusal force detection device, including detecting element and the control unit, the detecting element includes adheres to the pad, the inside fixed mounting of adhering to the pad has evenly distributed's piezoelectric film sensor, the top and the bottom of adhering to the pad all contact and have the isolation protection cushion, two the edge department integrated into one piece is followed to the isolation protection cushion, the right side fixedly connected with cable of adhering to the pad, piezoelectric film sensor and cable electric connection, the other end of cable runs through and extends to the right side of two isolation protection cushions, the one end fixedly connected with signal interface that the isolation protection cushion was kept away from to the cable;

the utility model discloses a piezoelectric film sensor, including detector casing, signal interface, LCD drive module, including control unit, signal interface and signal interface, the control unit includes the detector casing, signal interface pegs graft with the left side of detector casing, the inside fixed mounting of detector casing has AD conversion module, little the control unit, signal interface and the left side of detector casing are pegged graft, the inside fixed mounting of detector casing has AD conversion module, little the control unit, liquid crystal drive module, the output of AD conversion module and little the control unit's input electric connection, little the control unit's output and liquid crystal drive module's input electric connection, the positive fixed mounting of detector casing has the LCD screen, liquid crystal drive.

Preferably, the left side of the detector shell is provided with a USB interface and a communication interface, and the micro control unit is electrically connected with the USB interface and the communication interface in a bidirectional mode.

Preferably, the front surface of the detector shell is fixedly provided with operation switch keys which are arranged equidistantly, and the operation switch keys are electrically connected with the micro control unit in a bidirectional mode.

Preferably, the piezoelectric film sensors are distributed in a lattice combination inside the adhesive pad.

(III) advantageous effects

Compared with the prior art, the utility model provides a tooth occlusal force detection device possesses following beneficial effect:

1. this tooth interlock power detection device, when detecting tooth interlock power, place isolation protection cushion between patient's last tooth and lower tooth, let patient chew isolation protection cushion interlock, when isolation protection. When the cushion atress warp, the pressure between two isolation protection cushions is detected to the piezoelectric film sensor who adheres to on the pad, convert this point measured pressure into the signal of telecommunication, and transmit for the control unit through cable and signal interface, utilize the inside AD conversion module of detector casing to convert the signal of telecommunication into data model and transmit for little the control unit, let little the control unit with data arrangement transmission to the liquid crystal drive module in after handling, and then let the LCD screen show data, reach the bite-force of accurate display patient oral cavity tooth each point, and the deviation size apart from the average value, dentist is according to the deviation size, carry out the restoration inspection of tooth, the restoration scheme, repair quality's judgement, and the patient that its precision and intuition made need not repeated try on the use, patient's misery has been reduced.

2. This tooth occlusal force detection device can be connected with computer and printer through USB interface and communication interface on the detector casing to utilize the computer to show the processing data, also can utilize the printer to directly print out the measured data result, can conveniently preserve.

3. This tooth occlusal force detection device operates the control unit through the operating switch button, and the person of being convenient for prints the save through the operating switch button.

4. This tooth occlusal force detection device through a plurality of piezoelectric film sensor according to even distribution in the inside of adhering to the pad of dot matrix combination, detects a plurality of occlusal points of tooth to and a plurality of adjacent teeth detect simultaneously, have improved the precision that detects data.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the detecting unit of the present invention;

fig. 3 is a schematic top sectional structural view of the control unit of the present invention;

fig. 4 is a schematic view of the working principle of the present invention.

In the figure: 1. a detection unit; 101. an adhesive pad; 102. a piezoelectric thin film sensor; 103. an isolation protection soft cushion; 104. a cable; 105. a signal interface; 2. a control unit; 201. a detector housing; 202. an A/D conversion module; 203. a micro control unit; 204. a liquid crystal driving module; 205. a liquid crystal screen; 3. a USB interface; 4. a communication interface; 5. the switch key is operated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a tooth biting force detecting device includes a detecting unit 1 and a control unit 2, the detecting unit 1 includes an attachment pad 101, piezoelectric film sensors 102 are fixedly mounted inside the attachment pad 101 and uniformly distributed, isolation protection cushions 103 are respectively contacted with the top and the bottom of the attachment pad 101, the two isolation protection cushions 103 are integrally formed along the edges, a cable 104 is fixedly connected to the right side of the attachment pad 101, the piezoelectric film sensors 102 are electrically connected to the cable 104, the other end of the cable 104 penetrates and extends to the right sides of the two isolation protection cushions 103, a signal interface 105 is fixedly connected to one end of the cable 104 far from the isolation protection cushion 103, when detecting tooth biting force, the isolation protection cushion 103 is placed between the upper teeth and the lower teeth of a patient, so that the patient bites and chews the isolation protection cushion 103, when the isolation protection cushion 103 deforms under force, the piezoelectric film sensor 102 on the attachment pad 101 detects the pressure between the two isolation protection soft pads 103, converts the pressure measured at the point into an electric signal, and transmits the electric signal to the control unit 2 through the cable 104 and the signal interface 105;

the control unit 2 comprises a detector shell 201, a signal interface 105 is inserted into the left side of the detector shell 201, an A/D conversion module 202, a micro control unit 203 and a liquid crystal driving module 204 are fixedly installed inside the detector shell 201, the output end of the piezoelectric film sensor 102 is electrically connected with the input end of the A/D conversion module 202 through a cable 104 and the signal interface 105, the output end of the A/D conversion module 202 is electrically connected with the input end of the micro control unit 203, the output end of the micro control unit 203 is electrically connected with the input end of the liquid crystal driving module 204, a liquid crystal screen 205 is fixedly installed on the front side of the detector shell 201, the output end of the liquid crystal driving module 204 is electrically connected with the input end of the liquid crystal screen 205, an electric signal is converted into a data model by the A/D conversion module 202 inside, let little the control unit 203 with data arrangement transmission to liquid crystal drive module 204 in, and then let LCD screen 205 show data, reach the bite-force that accurate display patient oral cavity tooth each point to and the deviation size apart from the average value, dentist carries out the restoration inspection of tooth, the judgement of restoration scheme, maintenance quality according to the deviation size, and the patient that its accuracy and nature of directly perceived made need not repeated try on and use, has reduced patient's misery.

Further, the left side of detector casing 201 is provided with USB interface 3 and communication interface 4, and the two-way electric connection of microcontrol unit 203 and USB interface 3 and communication interface 4 can be connected with computer and printer through USB interface 3 and communication interface 4 on the detector casing 201 to utilize the computer to show the processing data, also can utilize the printer to directly print out the measured data result, can conveniently preserve.

Further, the front surface of the detector shell 201 is fixedly provided with operation switch keys 5 which are arranged equidistantly, the operation switch keys 5 are electrically connected with the micro control unit 203 in two directions, the control unit 2 is operated through the operation switch keys 5, and a user can print and store the information through the operation switch keys 5.

Furthermore, piezoelectric film sensor 102 distributes in the inside of attaching pad 101 according to the dot matrix combination, through a plurality of piezoelectric film sensor 102 according to the even distribution in the inside of attaching pad 101 of dot matrix combination, detects a plurality of bite points of tooth to and adjacent a plurality of teeth detect simultaneously, improved the precision of detection data.

The model of the liquid crystal driving die 204 is G320240A, the model of the micro control unit 203 is Silicon LabsSi1010, the model of the liquid crystal screen 205 is LED LQ170E1L, the model of the a/D conversion module 202 is Q68AD, the model of the piezoelectric film sensor 102 is SS-LYP, and the line connection relationship between products is the existing mature technology, and the internal principle thereof is not described herein in detail.

The working principle is as follows: when the occlusal force of teeth is detected, the isolation protection cushion 103 is placed between the upper teeth and the lower teeth of a patient, the patient can chew the isolation protection cushion 103 in an occluded manner, when the isolation protection cushion 103 deforms under stress, the piezoelectric film sensor 102 on the attachment cushion 101 detects the pressure between the two isolation protection cushions 103, the piezoelectric film sensors 102 are uniformly distributed in the attachment cushion 101 according to lattice combination to detect a plurality of occlusal points of the teeth and simultaneously detect a plurality of adjacent teeth, the accuracy of detected data is improved, the measured pressure is converted into an electric signal and is transmitted to the control unit 2 through the cable 104 and the signal interface 105, the electric signal is converted into a data model through the A/D conversion module 202 in the detector shell 201 and is transmitted to the micro control unit 203, and the micro control unit 203 transmits the data to the liquid crystal driving module 204 after the data is arranged and processed, and then let LCD screen 205 show data, reach the bite-force that accurate display patient oral cavity tooth each point, and the deviation size of distance average value, dentist carries out the restoration inspection of tooth according to the deviation size, the judgement of restoration scheme, repair quality, and the patient that its precision and intuition nature made need not to try on repeatedly and use, patient's misery has been reduced, USB interface 3 and communication interface 4 through on the detector casing 201 can be connected with computer and printer, thereby utilize the computer to show the processing data, also can utilize the printer to directly print out the measured data result, can conveniently preserve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Tooth occlusal force detection device, its characterized in that: the detection device comprises a detection unit (1) and a control unit (2), wherein the detection unit (1) comprises an attachment pad (101), piezoelectric thin film sensors (102) which are uniformly distributed are fixedly arranged inside the attachment pad (101), the top and the bottom of the attachment pad (101) are both contacted with isolation protection cushions (103), the two isolation protection cushions (103) are integrally formed along the edges, a cable (104) is fixedly connected to the right side of the attachment pad (101), the piezoelectric thin film sensors (102) are electrically connected with the cable (104), the other end of the cable (104) penetrates through and extends to the right sides of the two isolation protection cushions (103), and a signal interface (105) is fixedly connected to one end, far away from the isolation protection cushions (103), of the cable (104);

the control unit (2) comprises a detector shell (201), the signal interface (105) is inserted with the left side of the detector shell (201), an A/D conversion module (202), a micro control unit (203) and a liquid crystal driving module (204) are fixedly arranged in the detector shell (201), the output end of the piezoelectric film sensor (102) is electrically connected with the input end of the A/D conversion module (202) through a cable (104) and a signal interface (105), the output end of the A/D conversion module (202) is electrically connected with the input end of the micro control unit (203), the output end of the micro control unit (203) is electrically connected with the input end of the liquid crystal driving module (204), the front surface of the detector shell (201) is fixedly provided with a liquid crystal screen (205), the output end of the liquid crystal driving module (204) is electrically connected with the input end of the liquid crystal screen (205).

2. The dental occlusal force detection device according to claim 1, wherein: the left side of detector casing (201) is provided with USB interface (3) and communication interface (4), micro control unit (203) and USB interface (3) and communication interface (4) two-way electric connection.

3. The dental occlusal force detection device according to claim 1, wherein: the front surface of the detector shell (201) is fixedly provided with operation switch keys (5) which are arranged equidistantly, and the operation switch keys (5) are electrically connected with the micro control unit (203) in a two-way mode.

4. The dental occlusal force detection device according to claim 1, wherein: the piezoelectric film sensors (102) are distributed inside the adhesive pad (101) according to a lattice combination.