阅读说明：本技术 一种用于口腔修复体的无模数字化适配系统及其方法 (Non-mold digital adaptation system and method for dental prosthesis ) 是由 张龙 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种用于口腔修复体的无模数字化适配系统,涉及口腔医疗领域,包括机体,所述机体中设有第一空间,所述第一空间上侧壁固设有动力电机,所述动力电机输出端固设有动力转轴,所述动力转轴下端面固设有动力转盘,所述动力转盘下端面固设有固定滑块,所述第一空间下侧壁滑动连接有洗刷滑柱,所述洗刷滑柱向下延伸贯穿所述机体下端面,所述洗刷滑柱下端面固设有洗刷块,本发明通过对牙齿以及口腔内多余的液体进行吸收处理,从而保证了牙齿表面没有液体的残留,进而避免在进行扫描时,牙齿上残留的液体使扫描红外线发生折射,对扫描数据造成影响,从而使得牙齿数据不准确。(The invention discloses a non-module digital adapting system for an oral prosthesis, which relates to the field of oral medical treatment and comprises a machine body, wherein a first space is arranged in the machine body, a power motor is fixedly arranged on the upper side wall of the first space, a power rotating shaft is fixedly arranged at the output end of the power motor, a power rotating disc is fixedly arranged on the lower end surface of the power rotating shaft, a fixed slide block is fixedly arranged on the lower end surface of the power rotating disc, a washing slide column is connected to the lower side wall of the first space in a sliding manner, the washing slide column extends downwards to penetrate through the lower end surface of the machine body, a washing block is fixedly arranged on the lower end surface of the washing slide column, the non-module digital adapting system can absorb and treat redundant liquid in teeth and oral cavities, so that the surfaces of the teeth are free from liquid residue, and further the scanning infrared ray is prevented from being refracted by the residual liquid on the teeth during scanning to cause influence on scanning data, thereby making the dental data inaccurate.)

1. A modeless digital adaptation system for dental prostheses, comprising a body (10), characterized in that: a first space (12) is arranged in the machine body (10), a power motor (16) is fixedly arranged on the upper side wall of the first space (12), a power rotating shaft (17) is fixedly arranged at the output end of the power motor (16), a power rotating disc (14) is fixedly arranged on the lower end face of the power rotating shaft (17), a fixed sliding block (13) is fixedly arranged on the lower end face of the power rotating disc (14), a washing sliding column (25) is connected to the lower side wall of the first space (12) in a sliding manner, the washing sliding column (25) extends downwards to penetrate through the lower end face of the machine body (10), a washing block (26) is fixedly arranged on the lower end face of the washing sliding column (25), a power sliding block (18) is fixedly arranged on the upper end face of the washing sliding column (25), a driving sliding chute (19) with an upward opening is arranged in the power sliding block (18), and a penetrating sliding column (15) is connected to the lower end face of the power rotating disc (14) in a sliding manner, the lower end face of the penetrating sliding column (15) is abutted against the lower side wall of the driving sliding groove (19), the penetrating sliding column (15) is slidably connected with the driving sliding groove (19), a washing spring (27) is connected between the lower end face of the power sliding block (18) and the lower side wall of the first space (12), the lower side wall of the first space (12) is slidably connected with two absorption box bodies (21), the two absorption box bodies (21) are bilaterally and symmetrically distributed relative to the washing sliding column (25), an abutting column-shaped block (20) is fixedly arranged on the upper end face of each absorption box body (21), a limiting spring (28) is connected between the lower end face of each abutting column-shaped block (20) and the lower side wall of the first space (12), a second space (37) is respectively arranged in each absorption box body (21), and an absorption sliding block (38) is respectively connected in each second space (37), two absorption sliding blocks (38) are respectively and fixedly provided with a cleaning block (39) facing the end face, each absorption sliding block (38) is respectively connected with two absorption springs (40) between the corresponding side walls of the second space (37), the upper side wall and the lower side wall of each second space (37) are respectively communicated with L-shaped flow channels (35), each L-shaped flow channel (35) is respectively and fixedly provided with a filter screen (36), the corresponding two L-shaped flow channels (35) are respectively communicated with a first flow channel (23), a third flow channel (11) is arranged in the machine body (10), the lower side wall of the third flow channel (11) is communicated with two second flow channels (24), each second flow channel (24) is respectively communicated with a third space (22), the right end face of the machine body (10) is fixedly provided with a handle box body (29), and a handle circulation (30) is arranged in the handle box body (29), the scanning device is characterized in that a scanning assembly (31) is connected to the lower end face of the handle box body (29) in a sliding mode, a scanner (32) is arranged in the scanning assembly (31), a vacuum generator (33) is fixedly arranged on the right end face of the handle box body (29), and a liquid discharge hose (34) is connected to a liquid outlet of the vacuum generator (33).

2. A modeless digital adaptation system for an oral prosthesis according to claim 1, wherein: the lower end face of the washing block (26) is conical, the washing block (26) is made of a soft latex material, and a water absorbing layer is arranged in the washing block (26).

3. A modeless digital adaptation system for an oral prosthesis according to claim 1, wherein: every wash piece (39) and be the harder latex material of texture, every wash piece (39) and be close to wash piece (26) direction terminal surface and set up to the wave form respectively, absorb slider (38) and be the hydroscopicity sponge material.

4. A modeless digital adaptation system for an oral prosthesis according to claim 1, wherein: the fixed sliding block (13) is in a circular ring shape, the lower end face of the fixed sliding block (13) is in a smooth wavy shape, and the fixed sliding block (13) is connected with the two abutting-joint cylindrical blocks (20) in a sliding mode.

5. A modeless digital adaptation system for an oral prosthesis according to claim 1, wherein: every the surface parcel of absorption box (21) has the hydrophobic layer, and every the terminal surface is provided with the latex protection pad under absorption box (21).

6. A model-free digital adaptation method for an oral prosthesis, characterized by: the method comprises the following steps:

the method comprises the following steps: putting the machine body (10) into an oral cavity to enable teeth to be located between the two absorption box bodies (21), enabling the washing block (26) to abut against the end face of the teeth, starting the power motor (16) to drive the power rotating disc (14) to rotate at the moment, driving the fixed sliding block (13) to rotate, driving the abutting cylindrical block (20) to slide up and down in a reciprocating mode, driving the absorption box bodies (21) to move up and down in a reciprocating mode, driving the corresponding washing blocks (39) to move up and down in a reciprocating mode, and further washing the inner end face and the outer end face of the teeth;

step two: activating the vacuum generator (33) to enable the handle flow passage (30) to suck air, so as to drive the corresponding first flow passage (23) to suck air, and thus, the liquid generated in the oral cavity and attached to the teeth is absorbed and removed;

step three: and starting the scanning component (31) and the scanner (32) to scan the data of the oral cavity, acquiring the three-dimensional data of the teeth and the periodontal tissues, closing the power motor (16) after the acquisition is finished, taking the device out of the oral cavity of the patient, putting the device in the oral cavity of the patient, and putting the body (10) in disinfectant for soaking.

7. The modeless digital adaptation method for an oral prosthesis according to claim 6, wherein: and analyzing the three-dimensional data acquired in the step three, and preliminarily setting the tolerance of the three-dimensional data to design a restoration body model through three-dimensional modeling.

8. The model-free digital adaptation method for an oral prosthesis according to claim 7, wherein: and comparing the three-dimensional prosthesis model at the designed position with the oral cavity of the patient, adjusting local tolerance according to the oral cavity environment of the patient, and finally, accurately matching.

9. The model-free digital adaptation method for an oral prosthesis according to claim 7, wherein: and processing and producing the finally obtained three-dimensional model, carrying out three-dimensional scanning on the finished product again, comparing the obtained data with the three-dimensional model data, reducing the tolerance of the model again until the tolerance is reduced to one micron, and finally producing and processing the restoration.

Technical Field

The invention relates to the related field of oral medical treatment, in particular to a model-free digital adaptation system and method for an oral prosthesis.

Background

The oral restoration, commonly known as dental inlay, mainly aims at the treatment work after tooth defect and tooth loss, such as inlay, whole crown, false tooth and the like, also comprises the treatment of periodontal disease, temporomandibular joint disease and maxillofacial tissue defect by using an artificial restoration, is an important branch in stomatology, and the implantation restoration, the bonding restoration and the aesthetic restoration are the fastest development fields of modern oral restoration, thereby remarkably improving the treatment effect and level of the oral restoration;

most of the traditional oral cavity prosthesis are completed through impression, then the adaptability of the model is observed, and the deficient place is repaired, so that the whole process is more complicated and time-consuming, and meanwhile, the error of the model formed by impression is larger.

Disclosure of Invention

The invention aims to provide a model-free digital adaptation system for an oral prosthesis and a method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a non-mode digital adaptation system for an oral prosthesis comprises a machine body, wherein a first space is arranged in the machine body, a power motor is fixedly arranged on the upper side wall of the first space, a power rotating shaft is fixedly arranged at the output end of the power motor, a power rotating disc is fixedly arranged on the lower end surface of the power rotating shaft, a fixed sliding block is fixedly arranged on the lower end surface of the power rotating disc, a washing sliding column is connected to the lower side wall of the first space in a sliding manner, the washing sliding column extends downwards to penetrate through the lower end surface of the machine body, a washing block is fixedly arranged on the lower end surface of the washing sliding column, a power sliding block is fixedly arranged on the upper end surface of the washing sliding column, a driving sliding groove with an upward opening is arranged in the power sliding block, a penetrating sliding column is connected to the lower end surface of the power rotating disc in a sliding manner, the lower end surface of the penetrating sliding column is abutted against the lower side wall of the driving sliding groove, the penetrating sliding column is connected with the driving sliding groove in a sliding manner, a spring is connected between the lower end surface of the power sliding block and the lower side wall of the first space, the lower side wall of the first space is connected with two absorption box bodies in a sliding manner, the two absorption box bodies are distributed in a bilateral symmetry manner relative to the washing sliding column, the upper end surface of each absorption box body is respectively and fixedly provided with a butt-joint cylindrical block, the lower end surface of each butt-joint cylindrical block is respectively connected with a limiting spring between the lower side wall of the first space, each absorption box body is respectively provided with a second space, each second space is respectively and slidably connected with an absorption slide block, the facing end surfaces of the two absorption slide blocks are respectively and fixedly provided with a cleaning block, each absorption slide block is respectively connected with two absorption springs between the corresponding side walls of the second space, the upper side wall and the lower side wall of each second space are respectively communicated with an L-shaped flow passage, a filter screen is respectively and the corresponding two L-shaped flow passages are respectively communicated with a first flow passage, the machine body is internally provided with a third flow channel, the lower side wall of the third flow channel is communicated with two second flow channels, each second flow channel is communicated with a third space, the right end face of the machine body is fixedly provided with a handle box body, the handle flow channel is arranged in the handle box body, the lower end face of the handle box body is connected with a scanning assembly in a sliding mode, a scanner is arranged in the scanning assembly, the right end face of the handle box body is fixedly provided with a vacuum generator, and a liquid outlet of the vacuum generator is connected with a liquid discharge hose.

As preferred, wash a lower extreme and personally submit the toper just wash the piece and be the soft latex material of texture, be provided with the layer that absorbs water in the washing piece, can not only clear up tooth terminal surface recess, can effectually carry out the suction dry with the moisture in the tooth terminal surface recess simultaneously to avoid when scanning, remaining liquid makes the scanning infrared ray take place the refraction on the tooth, causes the influence to scanning data, thereby makes tooth data inaccurate.

Preferably, each cleaning block is made of a hard latex material, the end face of each cleaning block close to the direction of the brushing block is respectively in a wavy shape, so that when the outer end face of a tooth is cleaned, other impurities remained on the tooth can be effectively avoided, accuracy of scanning data is improved, and the absorption sliding block is made of a water-absorbent sponge material and can effectively remove water on the surface of the tooth.

Preferably, the fixed sliding block is in a circular ring shape, the lower end face of the fixed sliding block is in a smooth wavy shape, and the fixed sliding block is connected with the two abutting cylindrical blocks in a sliding mode.

Preferably, the outer surface of each absorption box body is wrapped with a hydrophobic layer, and the lower end face of each absorption box body is provided with a latex protection pad.

A model-free digital adaptation method for an oral prosthesis, characterized by: the method comprises the following steps:

the method comprises the following steps: putting the machine body into an oral cavity, so that teeth are positioned between the two absorption box bodies, the brushing blocks abut against the end surfaces of the teeth, the power motor is started at the moment to drive the power turntable to rotate, so that the fixed sliding block is driven to rotate, the abutting cylindrical block is driven to slide up and down in a reciprocating manner, so that the absorption box bodies are driven to reciprocate up and down, the corresponding cleaning blocks are driven to reciprocate up and down, and the inner and outer end surfaces of the teeth are brushed;

step two: starting the vacuum generator, so that the handle flow passage is sucked, the corresponding first flow passage is driven to suck air, and the liquid generated in the oral cavity and attached to the teeth is absorbed and removed;

step three: and starting the scanning assembly and the scanner to scan the data of the inside of the oral cavity so as to acquire the three-dimensional data of the teeth and the periodontal tissues, and closing the power motor (16) after the acquisition is finished so as to take the device out of the oral cavity of the patient and put the device in the oral cavity of the patient and put the body (10) in disinfectant for soaking.

Preferably, the three-dimensional data acquired in the three steps are analyzed, and three-dimensional data tolerance is preliminarily set for three-dimensional modeling and designing the restoration body model.

Preferably, the three-dimensional prosthesis model at the designed position is compared with the oral cavity of the patient, meanwhile, local tolerance adjustment is carried out according to the oral cavity environment of the patient, and finally, accurate matching is carried out.

Preferably, the three-dimensional model obtained finally is processed and produced, the finished product is scanned three-dimensionally again, the obtained data is compared with the three-dimensional model data, the tolerance of the model is reduced again until the tolerance is reduced to one micron, and finally the restoration is produced and processed.

In conclusion, the beneficial effects of the invention are as follows:

1. the invention can ensure the cleanness of the whole tooth surface by washing the teeth in the oral cavity, thereby avoiding the influence of impurities remained on the teeth on the scanning data and further causing inaccurate data of the restoration.

2. According to the invention, the tooth and the redundant liquid in the oral cavity are absorbed, so that no liquid residue is left on the surface of the tooth, and the phenomenon that the scanning infrared ray is refracted by the residual liquid on the tooth during scanning to influence the scanning data is avoided, and the tooth data is inaccurate.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall sectional front view of a non-modular digital adaptation system for dental prosthesis according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention.

The scores in the figures are as follows: 10. a body; 11. a third flow channel: 12. a first space; 13. fixing the sliding block; 14. a power turntable; 15. penetrates through the sliding column; 16. a power motor; 17. a power shaft; 18. a power slider; 19. a drive chute; 20. abutting against the cylindrical block; 21. an absorption box body; 22. a third space; 23. a first flow passage; 24. a second flow passage; 25. washing and brushing the sliding column; 26. washing the brush block; 27. washing and brushing the spring; 28. a limiting spring; 29. a handle case; 30. a handle runner; 31. a scanning assembly; 32. a scanner; 33. a vacuum generator; 34. a drain hose; 35. an L-shaped flow passage; 36. filtering with a screen; 37. a second space; 38. an absorption slider; 39. cleaning the block; 40. absorbing the spring.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: a non-module digital adaptation system for an oral prosthesis comprises a machine body 10, wherein a first space 12 is arranged in the machine body 10, a power motor 16 is fixedly arranged on the upper side wall of the first space 12, a power rotating shaft 17 is fixedly arranged at the output end of the power motor 16, a power rotating disc 14 is fixedly arranged on the lower end face of the power rotating shaft 17, a fixed sliding block 13 is fixedly arranged on the lower end face of the power rotating disc 14, a washing sliding column 25 is slidably connected on the lower side wall of the first space 12, the washing sliding column 25 extends downwards to penetrate through the lower end face of the machine body 10, a washing block 26 is fixedly arranged on the lower end face of the washing sliding column 25, a power sliding block 18 is fixedly arranged on the upper end face of the washing sliding column 25, a driving sliding groove 19 with an upward opening is arranged in the power sliding block 18, a penetrating sliding column 15 is slidably connected on the lower end face of the power rotating disc 14, the lower end face of the penetrating sliding column 15 is abutted against the lower side wall of the driving sliding groove 19, the penetrating sliding column 15 is slidably connected with the driving chute 19, a washing spring 27 is connected between the lower end surface of the power sliding block 18 and the lower side wall of the first space 12, the lower side wall of the first space 12 is slidably connected with two absorption box bodies 21, the two absorption box bodies 21 are symmetrically distributed on the left and right of the washing sliding column 25, the upper end surface of each absorption box body 21 is respectively provided with a butting column-shaped block 20, the lower end surface of each butting column-shaped block 20 is respectively connected with the lower side wall of the first space 12 through a limiting spring 28, each absorption box body 21 is respectively provided with a second space 37, each second space 37 is respectively slidably connected with an absorption sliding block 38, the two absorption sliding blocks 38 are respectively fixedly provided with a cleaning block 39 on the end surface, and two absorption springs 40 are respectively connected between each absorption sliding block 38 and the corresponding side wall of the second space 37, the upper side wall and the lower side wall of each second space 37 are respectively communicated with an L-shaped flow channel 35, a filter screen 36 is respectively arranged in each L-shaped flow channel 35, the two corresponding L-shaped flow channels 35 are respectively communicated with a first flow channel 23, a third flow channel 11 is arranged in the machine body 10, the lower side wall of the third flow channel 11 is communicated with two second flow channels 24, each second flow channel 24 is respectively communicated with a third space 22, a handle box body 29 is fixedly arranged on the right end face of the machine body 10, a handle flow channel 30 is arranged in the handle box body 29, the lower end face of the handle box body 29 is slidably connected with a scanning assembly 31, a scanner 32 is arranged in the scanning assembly 31, a vacuum generator 33 is fixedly arranged on the right end face of the handle box body 29, and a liquid outlet of the vacuum generator 33 is connected with a liquid discharge hose 34.

In addition, in an embodiment, the lower extreme of washing block 26 is the toper just washing block 26 is the soft latex material of texture, be provided with the layer that absorbs water in the washing block 26, can not only clear up tooth terminal surface recess, can effectually absorb the moisture in the tooth terminal surface recess simultaneously futilely to avoid when scanning, remaining liquid makes the scanning infrared ray take place the refraction on the tooth, causes the influence to the scanning data, thereby makes tooth data inaccurate.

In addition, in an embodiment, each of the cleaning blocks 39 is made of a hard latex material, and the end surface of each of the cleaning blocks 39 in the direction close to the cleaning block 26 is respectively set to be wavy, so that when the outer end surface of a tooth is cleaned, other impurities remained on the tooth can be effectively avoided, and the accuracy of scanning data can be improved, and the absorption slider 38 is made of a water-absorbent sponge material, and can effectively remove water on the surface of the tooth.

In addition, in one embodiment, the fixed sliding block 13 is circular, the lower end surface of the fixed sliding block 13 is in a smooth wavy shape, and the fixed sliding block 13 is slidably connected with the two abutting cylindrical blocks 20.

In addition, in one embodiment, the outer surface of each absorption box 21 is wrapped with a hydrophobic layer, and the lower end surface of each absorption box 21 is provided with a latex protection pad.

A model-free digital adaptation method for an oral prosthesis, characterized by: the method comprises the following steps:

the method comprises the following steps: putting the machine body 10 into an oral cavity to enable teeth to be positioned between the two absorption box bodies 21, enabling the washing block 26 to abut against the end faces of the teeth, starting the power motor 16 to drive the power rotating disc 14 to rotate so as to drive the fixed sliding block 13 to rotate so as to drive the abutting cylindrical block 20 to slide up and down in a reciprocating manner, and driving the absorption box bodies 21 to move up and down in a reciprocating manner so as to drive the corresponding washing blocks 39 to move up and down in a reciprocating manner, so that the inner and outer end faces of the teeth are washed;

step two: activating the vacuum generator 33, so as to make the handle flow passage 30 suck air, so as to drive the corresponding first flow passage 23 to suck air, so as to absorb and remove the liquid generated in the oral cavity and attached to the teeth;

step three: and starting the scanning component 31 and the scanner 32 to scan the data of the oral cavity to acquire the three-dimensional data of the teeth and the periodontal tissues, closing the power motor (16) after the acquisition is finished, taking the device out of the oral cavity of the patient, putting the device in the oral cavity of the patient, and putting the body (10) in disinfectant for soaking.

In addition, in one embodiment, the three-dimensional data collected in the three steps are analyzed, and three-dimensional data tolerance is preliminarily set for three-dimensional modeling and designing the restoration body model.

In addition, in one embodiment, the three-dimensional prosthesis model at the design position is compared with the oral cavity of the patient, and meanwhile, local tolerance adjustment is carried out according to the oral cavity environment of the patient, and finally accurate matching is carried out.

In addition, in one embodiment, the three-dimensional model obtained finally is processed, the finished product is scanned three-dimensionally again, the obtained data is compared with the three-dimensional model data, the model tolerance is reduced again until the tolerance is reduced to one micron, and finally the prosthesis is produced and processed.

When the dental prosthesis needs to be adapted, the machine body 10 is placed into the oral cavity, the lower end surface of the washing block 26 abuts against the end surface of the teeth in the direction close to the central line of the oral cavity, the two washing blocks 39 abut against the inner and outer end surfaces of the teeth, the lower end surfaces of the two absorption box bodies 21 abut against the oral cavity, so that the corresponding first flow channel 23 is communicated with the corresponding third space 22, the corresponding absorption slide block 38 slides in the direction away from the washing block 26, the upper and lower end surfaces of the corresponding absorption slide block 38 abut against the filter screen 36, the power motor 16 is started at the moment, the power turntable 14 is driven to rotate, the fixed slide block 13 is driven to rotate, the abutting column block 20 is driven to slide up and down in a reciprocating manner, the absorption box bodies 21 are driven to move up and down in a reciprocating manner, the corresponding washing blocks 39 are driven to move up and down in a reciprocating manner, the inner and outer end surfaces of the teeth are washed, and the scanning data are prevented from being influenced by impurities remaining on the teeth, therefore, the prosthesis data is inaccurate, meanwhile, the power turntable 14 rotates to drive the penetrating sliding column 15 to rotate, so as to drive the power sliding block 18 to reciprocate back and forth, so as to drive the washing block 26 to reciprocate back and forth, so as to wash the end face of the tooth close to the central line direction of the oral cavity, simultaneously, the vacuum generator 33 is started, so as to generate negative pressure in the handle flow passage 30, the third flow passage 11, the second flow passage 24 and the first flow passage 23, so as to suck saliva generated in the oral cavity into the third space 22 through the first flow passage 23 and suck the saliva into the liquid discharge hose 34 for discharge, simultaneously, so as to suck the liquid sucked in the corresponding absorption sliding block 38 into the L-shaped flow passage 35 and enter the liquid discharge hose 34 through the first flow passage 23 for discharge, thereby ensuring that no liquid remains on the tooth surface, and further avoiding the scanning infrared ray refraction caused by the liquid remaining on the tooth during scanning, the scanning data is influenced, so that the tooth data is inaccurate, and finally, the scanning component 31 is started, so that the tooth model in the oral cavity is scanned by the scanner 32.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.