Three-way calibration device for dental treatment mobile phone and calibration method for dental treatment mobile phone

Abstract

The present invention provides a three-way calibration device and a method for calibrating a dental treatment mobile phone, which calibrates the dental treatment mobile phone based on a calibration body plate, a first positioning mark component, a second positioning mark component, a third positioning mark component and a drill sleeve positioning component; the first positioning mark component, the second positioning mark component and the third positioning mark component are respectively provided with at least 4, and the first positioning mark component, the second positioning mark component and the third positioning mark component have different orientations. Compared with the prior art, the beneficial effect of the technical solution is that multiple optimal angles are provided by the first positioning mark component, the second positioning mark component and the third positioning mark component with different orientations, which can theoretically triple the applicable angle of the optical locator, and at the same time has the advantages of scientific and reasonable structure, wide applicable angle range and simple operation.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment, and in particular to a three-way calibration device and a dental treatment mobile phone calibration method for calibrating a dental treatment mobile phone before performing a dental treatment operation. Background Art

[0002] Dental treatment handpieces include implant handpieces and high-speed handpieces, both of which structurally include a handle, a tracker and a drill. The tracker includes multiple components, which are arranged along the circumference of the handle of the dental treatment handpiece, that is, trackers are arranged along the periphery of the handle, and there are always trackers facing the optical locator to ensure that the optical locator can shine on the tracker from all directions.

[0003] The process of calibrating the optical locator and the dental handpiece is as follows: the drill bit is placed against the marked area on the calibration plate, and the optical locator collects the real-time position of the calibration plate and the tracker assembly, and then establishes a connection between the optical locator and the drill bit through the relative positions of the drill bit, the tracker assembly, and the calibration plate. After calibration, the optical locator only needs to collect the image of any tracker assembly on the dental handpiece to locate the dental handpiece. It can be said that allowing the optical locator to capture the real-time position of the calibration plate and the tracker at the same time is a prerequisite for the calibration operation.

[0004] The existing calibration plate is a plate-shaped structure with the advantage of simple structure, but there are many angle restrictions during calibration. The optical locator must be located at certain specific positions and specific angles to capture the real-time position of the calibration plate and the tracker at the same time, which greatly restricts the calibration operation. How to strike a balance between simple structure and wide applicable angle is an urgent problem to be solved in the industry. Summary of the invention

[0005] The technical problem to be solved by the present invention is that, in view of the above-mentioned defects of the prior art, a three-way calibration device and a calibration method for a dental treatment mobile phone are provided, which are creatively designed on the basis of a flat structure to achieve the effect of a three-dimensional calibration device, and at the same time have the advantages of scientific and reasonable structure, a wide range of applicable angles and easy operation.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows:

[0007] A three-way calibration device for a dental treatment mobile phone, comprising a calibration body plate, a first positioning mark assembly, a second positioning mark assembly, a third positioning mark assembly and a drill sleeve positioning assembly;

[0008] The calibration body plate is a square plate-shaped structure, and the first positioning mark assembly, the second positioning mark assembly, the third positioning mark assembly and the drill sleeve positioning assembly are fixedly arranged on the upper surface of the calibration body plate;

[0009] The first positioning mark component, the second positioning mark component and the third positioning mark component all include a positioning mark plate and a positioning mark pattern arranged on the positioning mark plate;

[0010] There are at least four of the first positioning mark components, the second positioning mark components and the third positioning mark components respectively, and the first positioning mark components face the same direction, the second positioning mark components face the same direction, and the third positioning mark components face different directions.

[0011] Compared with the prior art, the beneficial effect of this technical solution is that by providing multiple optimal angles facing the first positioning identification component, the second positioning identification component, and the third positioning identification component, the applicable angle of the optical locator can theoretically be tripled, while having the advantages of scientific and reasonable structure, a wide range of applicable angles, and easy operation.

[0012] Furthermore, it also includes a ball head calibration component, a cone calibration component and an outer diameter calibration component, wherein the ball head calibration component, the cone calibration component and the outer diameter calibration component are formed on the upper surface of the calibration body plate;

[0013] The calibration body plate forms the ball head calibration component through an inwardly recessed spherical groove, the calibration body plate forms the conical calibration component through an inwardly recessed conical groove, and the calibration body plate forms the outer diameter calibration component through an inwardly recessed strip groove, and the width of the strip groove gradually increases from one end to the other.

[0014] The beneficial effect of adopting the above scheme is that based on the ball head calibration component, the conical calibration component and the outer diameter calibration component, the ball drill, conical drill and drill bit diameter of the dental treatment mobile phone can be further calibrated to meet the diverse calibration function requirements.

[0015] Furthermore, the vertical line of the first positioning mark component is parallel to the vertical line on the upper surface of the calibration body plate, the vertical line of the second positioning mark component is at an angle of 30° to the vertical line on the upper surface of the calibration body plate, and the vertical line of the third positioning mark component is at an angle of 150° to the vertical line on the upper surface of the calibration body plate.

[0016] The beneficial effect of adopting the above scheme is: on the basis of the first positioning mark component, a second positioning mark component and a third positioning mark component with two angle orientations are added, and the vertical line of the second positioning mark component is at an angle of 30° with the vertical line on the upper surface of the calibration body plate, and the vertical line of the third positioning mark component is at an angle of 150° with the vertical line on the upper surface of the calibration body plate, which can better expand the applicable angle of the calibration body plate.

[0017] Further, the first positioning mark component, the second positioning mark component and the third positioning mark component are respectively provided with 4;

[0018] The center points of the four first positioning identification components are connected in sequence to form a rhombus, the center points of the four second positioning identification components are connected in sequence to form a trapezoid, and the center points of the four third positioning identification components are connected in sequence to form a trapezoid; the upper base of the trapezoid formed by the center points of the four second positioning identification components are connected in sequence is smaller than the upper base of the trapezoid formed by the center points of the four third positioning identification components are connected in sequence; the lower base of the trapezoid formed by the center points of the four second positioning identification components are connected in sequence is smaller than the lower base of the trapezoid formed by the center points of the four third positioning identification components are connected in sequence.

[0019] The beneficial effect of adopting the above scheme is that through the above distribution setting, the optical locator can quickly identify and distinguish the positioning mark pattern.

[0020] Further, the drill sleeve positioning assembly includes a drill sleeve positioning column;

[0021] A square recessed portion is provided on the upper surface of the calibration body plate, and the square recessed portion is located at a corner of the calibration body plate. The drill sleeve positioning column is integrally formed and provided on the calibration body plate, and the drill sleeve positioning column is located at the center of the square recessed portion.

[0022] The beneficial effect of adopting the above scheme is: a square recessed portion is formed at a corner of the calibration body plate, and the drill sleeve positioning column is set in the square recessed portion, so that a larger operating space is formed through the square recessed portion, which is convenient for inserting the dental treatment mobile phone.

[0023] Furthermore, the positioning identification pattern is divided into a first fan-shaped identification area, a second fan-shaped identification area, a first triangle identification area and a second triangle identification area, the first fan-shaped identification area and the second fan-shaped identification area are arranged opposite to each other, and the first triangle identification area and the second triangle identification area are arranged opposite to each other.

[0024] The beneficial effect of adopting the above scheme is: a positioning identification pattern is formed by the first fan-shaped identification area, the second fan-shaped identification area, the first triangle identification area and the second triangle identification area, so that the positioning identification pattern forms a central identification point, which is convenient for the optical locator to collect its real-time image.

[0025] Further, a horizontal positioning recess is provided on the upper surface of the calibration body plate, a horizontal supporting surface is formed on the horizontal positioning recess, the first positioning mark component is fixed in the horizontal positioning recess by adhesive, and the lower surface of the first positioning mark component abuts against the horizontal supporting surface;

[0026] The upper surface of the calibration body plate is provided with a first inclined recessed portion, the bottom of the first inclined recessed portion is formed with a first main support surface and a first secondary support surface, the first main support surface and the first secondary support surface form an angle of 90°, the second positioning mark component is fixed in the first inclined recessed portion by adhesive, the lower surface of the second positioning mark component abuts against the first main support surface, and the side surface of the second positioning mark component abuts against the first secondary support surface;

[0027] A second inclined recessed portion is provided on the upper surface of the calibration body plate, and a second main supporting surface and a second secondary supporting surface are formed at the bottom of the second inclined recessed portion, and a 90° angle is formed between the second main supporting surface and the second secondary supporting surface. The third positioning mark component is fixed in the second inclined recessed portion by adhesive, and the lower surface of the third positioning mark component abuts against the second main supporting surface, and the side surface of the third positioning mark component abuts against the second secondary supporting surface.

[0028] The beneficial effect of adopting the above scheme is: in the second positioning mark component, it is bonded and fixed by the first main support surface and the first auxiliary support surface, and in the third positioning mark component, it is bonded and fixed by the second main support surface and the second auxiliary support surface, which can better ensure the bonding and fixing effect.

[0029] Furthermore, a first limiting step is provided on the first auxiliary support surface, a side surface of the second positioning mark component abuts against the first limiting step, and an upper surface of the second positioning mark component is flush with an upper surface of the first limiting step;

[0030] The second auxiliary support surface is provided with a second limiting step, the side surface of the third positioning mark component abuts against the second limiting step, and the upper surface of the third positioning mark component is flush with the upper surface of the second limiting step.

[0031] The beneficial effect of adopting the above scheme is that by providing the first limiting step and the second limiting step, the relative heights of the second positioning mark component and the third positioning mark component on the calibration body plate can be increased, so that the second positioning mark component and the third positioning mark component have a better light incident angle.

[0032] Furthermore, in the first positioning mark assembly, the second positioning mark assembly and the third positioning mark assembly, the positioning mark plate is a ceramic sheet.

[0033] The beneficial effect of adopting the above scheme is: using a ceramic sheet as the positioning mark plate, taking advantage of the fact that the ceramic sheet is not easily deformed, the position of the positioning mark pattern relative to the calibration body 1 will not change during use, effectively ensuring the calibration accuracy.

[0034] Furthermore, the calibration body plate is an integrally formed aluminum alloy structure.

[0035] The beneficial effect of adopting the above scheme is: the calibration body plate is formed by using an aluminum alloy one-piece structure, which can ensure the strength of the device and reduce the weight of the device, and can effectively reduce the manufacturing cost and reduce the manufacturing error.

[0036] The technical solution adopted by the present invention to solve the technical problem is as follows:

[0037] A method for calibrating a dental treatment mobile phone, the method comprising the following steps:

[0038] S1. Obtaining the structural parameters of the three-way calibration device, the structural parameters of the three-way calibration device include the relative position relationship between the calibration body plate, the first positioning mark component, the second positioning mark component, the third positioning mark component and the drill sleeve positioning component, and the structural parameters of the three-way calibration device also include the relative position relationship between the first positioning mark component, the second positioning mark component and the third positioning mark component;

[0039] S2. Obtaining structural parameters of a dental treatment mobile phone, wherein the structural parameters of the dental treatment mobile phone include the relative position relationship between the handle and the drill socket;

[0040] S3. The drill sleeve of the dental treatment mobile phone is installed on the drill sleeve positioning assembly, so that the dental treatment mobile phone and the calibration body are connected through the drill sleeve and the drill sleeve positioning assembly;

[0041] S4. Control the optical locator toward the tracker on the dental treatment mobile phone and the positioning identification pattern in the first positioning identification component, the second positioning identification component, and the third positioning identification component on the three-way calibration device to keep the dental treatment mobile phone and the three-way calibration device relatively fixed;

[0042] S5. Determine the smallest angle between the vertical lines of the first positioning identification component, the second positioning identification component, and the third positioning identification component and the light emission direction of the optical positioning instrument, and use the smallest angle as the reference positioning identification component for the calibration process;

[0043] S6. Control the optical locator to collect a real-time image of the positioning mark pattern on the reference positioning mark component in the three-dimensional calibration device, and obtain the real-time coordinate parameters of the positioning mark pattern in the three-dimensional coordinate system of the optical locator by referring to the real-time image of the positioning mark pattern on the reference positioning mark component;

[0044] S7. Based on the real-time coordinate parameters of the positioning mark pattern in the three-dimensional coordinate system of the optical locator and the structural parameters of the three-dimensional calibration device, obtain the real-time coordinate parameters of the three-dimensional calibration device in the three-dimensional coordinate system of the optical locator;

[0045] S8. Control the optical locator to collect real-time images of the tracker on the dental treatment mobile phone;

[0046] S9. Using the drill sleeve positioning assembly in the three-way calibration device and the drill sleeve in the dental treatment mobile phone fixed therein as the calibration bridge, the real-time coordinate parameters of the drill sleeve positioning assembly in the three-dimensional coordinate system of the optical locator are obtained based on the real-time coordinate parameters of the three-way calibration device in the three-dimensional coordinate system of the optical locator;

[0047] S10. Based on the structural positional relationship between the drill sleeve positioning assembly and the drill sleeve tube, the real-time coordinate parameters of the drill sleeve tube in the three-dimensional coordinate system of the optical locator are obtained through the real-time coordinate parameters of the drill sleeve positioning assembly in the three-dimensional coordinate system of the optical locator;

[0048] S11. Perform data matching on the real-time coordinate parameters of the drill socket in the three-dimensional coordinate system of the optical locator and the real-time image of the tracker on the dental treatment mobile phone, establish a coordinate conversion relationship between the three-dimensional coordinate system of the tracker and the three-dimensional coordinate system of the drill socket, and complete the calibration.

[0049] Compared with the prior art, the beneficial effect of the present technical solution is that by providing multiple optimal angles facing the different first positioning identification components, the second positioning identification components, and the third positioning identification components, the applicable angle of the optical locator can theoretically be tripled. During operation, one of the first positioning identification component, the second positioning identification component, and the third positioning identification component is first selected as the reference positioning identification component, and then the calibration operation is performed, ensuring that the present device has the advantages of scientific and reasonable structure, a wide range of applicable angles, and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1It is an overall schematic diagram of the three-way calibration device of the dental treatment mobile phone of the present invention.

[0051] Figure 2 It is a schematic diagram of the use of the three-way calibration device for dental treatment mobile phones of the present invention.

[0052] Figure 3 It is a schematic diagram of a positioning identification pattern in a three-way calibration device for a dental treatment mobile phone of the present invention.

[0053] Figure 4 It is a schematic diagram of a horizontal positioning recessed portion, a first inclined recessed portion, and a second inclined recessed portion in a three-way calibration device for a dental treatment mobile phone of the present invention.

[0054] Figure 5 The present invention is a flow chart of a dental treatment mobile phone calibration method.

[0055] In the figure, the components represented by the reference numerals are as follows:

[0056] Calibration body plate 1, first positioning mark component 2, second positioning mark component 3, third positioning mark component 4, positioning mark pattern 5, drill sleeve positioning component 6, ball head calibration component 7, cone calibration component 8, outer diameter calibration component 9, dental treatment mobile phone 10;

[0057] Horizontal positioning recessed portion 101, first inclined recessed portion 102, first main supporting surface 103, first secondary supporting surface 104, second inclined recessed portion 105, second main supporting surface 106, second secondary supporting surface 107, first limiting step 108, second limiting step 109;

[0058] A first sector-shaped identification area 501, a second sector-shaped identification area 502, a first triangle-shaped identification area 503, and a second triangle-shaped identification area 504;

[0059] Handle 1001 and tracker 1002 . DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solution and advantages of the present invention clearer and more specific, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0061] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0062] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two components. When a component is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other component or there can also be a central component. When a component is considered to be "connected" to another element, it can be directly connected to the other element or there can be a central element at the same time. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] The dental treatment handpiece 10 includes an implant handpiece and a high-speed handpiece, both of which structurally include a handle 1001, a tracker 1002, and a drill. The tracker 1002 includes multiple components, which are arranged along the circumference of the handle 1001 of the dental treatment handpiece 10, that is, the trackers 1002 are arranged along the periphery of the handle 1001, and there are always trackers 1002 facing the optical locator to ensure that the optical locator can shine on the tracker 1002 from all directions.

[0064] The process of calibrating the optical locator and the dental handpiece 10 is as follows: the drill bit is placed against the marked area on the calibration plate, the optical locator collects the real-time position of the calibration plate and the tracker 1002 assembly, and then establishes a connection between the optical locator and the drill bit through the relative positions of the drill bit, the tracker 1002 assembly, and the calibration plate. After calibration, the optical locator only needs to collect the image of any tracker 1002 assembly on the dental handpiece 10 to locate the dental handpiece 10. It can be said that allowing the optical locator to simultaneously capture the real-time position of the calibration plate and the tracker 1002 is a prerequisite for the calibration operation.

[0065] The existing calibration plate is a plate-shaped structure with the advantage of simple structure, but there are many angle restrictions during calibration. The optical locator must be located at certain specific positions and specific angles to capture the real-time position of the calibration plate and the tracker at the same time, which greatly restricts the calibration operation. How to strike a balance between simple structure and wide applicable angle is an urgent problem to be solved in the industry.

[0066] like Figure 1 and Figure 2 As shown, in order to solve the above problems, the present invention provides a three-way calibration device for a dental treatment mobile phone, comprising a calibration body plate 1, a first positioning mark component 2, a second positioning mark component 3, a third positioning mark component 4 and a drill sleeve positioning component 6. The calibration body plate 1 mainly plays a structural support role, and the first positioning mark component 2, the second positioning mark component 3, the third positioning mark component 4 and the drill sleeve positioning component 6 are directly or indirectly arranged on the calibration body plate 1; the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 play a positioning mark role, and the optical locator performs positioning mark on the three-way calibration device in the technical solution by collecting real-time images of the positioning mark components; the drill sleeve positioning component 6 is used for structural connection with the dental treatment mobile phone 10, and the dental treatment mobile phone 10 is mutually connected with the drill sleeve positioning component 6 through the drill sleeve tube thereon, so as to form an integral structure with the three-way calibration device.

[0067] The calibration body plate 1 is a square plate-like structure, on which an upper surface and a lower surface are naturally formed. In the present technical solution, the first positioning mark component 2, the second positioning mark component 3, the third positioning mark component 4 and the drill sleeve positioning component 6 are fixedly arranged on the upper surface of the calibration body plate 1, and no other components are arranged on the lower surface of the calibration body plate 1, which is used to contact the load-bearing plane when placed.

[0068] The first positioning mark component 2, the second positioning mark component 3 and the third positioning mark component 4 all include a positioning mark plate and a positioning mark pattern 5 provided on the positioning mark plate. As described above, the positioning mark component is used to cooperate with the optical locator to realize the positioning mark function. From a structural point of view, the above positioning mark components include a positioning mark plate, and after the positioning mark pattern 5 is formed on the positioning mark plate, the positioning mark function can be realized by cooperating with the optical locator through the positioning mark pattern 5.

[0069] In three-dimensional space, at least 4 points are required to locate an object. Correspondingly, at least 4 of the first positioning identification components 2, the second positioning identification components 3 and the third positioning identification components 4 are respectively provided. The first positioning identification components 2 have the same orientation, the second positioning identification components 3 have the same orientation, and the third positioning identification components 4 have the same orientation. The first positioning identification components 2, the second positioning identification components 3 and the third positioning identification components 4 have different orientations.

[0070] Based on the above structure, the first positioning mark component 2, the second positioning mark component 3 and the third positioning mark component 4 have different orientations, which can theoretically triple the applicable angle of the optical locator. On the one hand, the structure of the device can be simplified based on the calibration body plate 1, and the square plate structure has less restrictions on the operating space. On the other hand, multiple optimal angles are provided by providing the first positioning mark component 2, the second positioning mark component 3 and the third positioning mark component 4 with different orientations. Combining the above characteristics, the device has the advantages of scientific and reasonable structure, a wide range of applicable angles and easy operation.

[0071] like Figure 1 and Figure 2 As shown, a three-way calibration device for a dental treatment mobile phone includes, in addition to a calibration body plate 1, a first positioning mark component 2, a second positioning mark component 3, a third positioning mark component 4 and a drill sleeve positioning component 6, a ball head calibration component 7, a conical calibration component 8 and an outer diameter calibration component 9, and the ball head calibration component 7, the conical calibration component 8 and the outer diameter calibration component 9 are formed on the upper surface of the calibration body plate 1.

[0072] The calibration body plate 1 forms the ball head calibration component 7 through an inwardly recessed spherical groove, the calibration body plate 1 forms the conical calibration component 8 through an inwardly recessed conical groove, and the calibration body plate 1 forms the outer diameter calibration component 9 through an inwardly recessed strip groove, and the width of the strip groove gradually increases from one end to the other.

[0073] When the dental mobile phone 10 is equipped with a spherical drill, the spherical drill can be calibrated by the ball head calibration component 7 to determine the location of the ball center of the spherical drill; when the dental mobile phone 10 is equipped with a conical drill, the conical calibration component 8 can be calibrated to determine the location of the tip of the conical drill; when the dental mobile phone 10 is equipped with a conical drill, the outer diameter of the conical drill can be calibrated by the outer diameter calibration component 9 to determine the diameter value of the conical drill. Therefore, based on the ball head calibration component 7, the conical calibration component 8 and the outer diameter calibration component 9, the spherical drill, conical drill and drill bit diameter of the dental mobile phone 10 can be further calibrated to meet the diverse calibration function requirements.

[0074] Preferably, the first positioning identification component 2, the second positioning identification component 3, the third positioning identification component 4 and other components used for positioning identification are arranged on one side of the upper surface of the calibration body plate 1, and the drill sleeve positioning component 6, the ball head calibration component 7, the cone calibration component 8 and the outer diameter calibration component 9 and other components used for structural coordination are arranged on the other side of the upper surface of the calibration body plate 1. The two different types of components are arranged in zones, which can effectively avoid mutual interference between the components and prevent the positioning identification function and the structural coordination function from being affected.

[0075] Preferably, the vertical line of the first positioning mark component 2 is parallel to the vertical line of the upper surface of the calibration body plate 1, the vertical line of the second positioning mark component 3 is at an angle of 30° to the vertical line of the upper surface of the calibration body plate 1, and the vertical line of the third positioning mark component 4 is at an angle of 150° to the vertical line of the upper surface of the calibration body plate 1.

[0076] The calibration body plate 1 is a square plate-like structure, and its upper surface forms an angle of 180°. In the prior art, on the flat-plate calibration device, only one group of identification points with the same angle is provided, and the vertical lines of the group of identification points are mostly parallel to the vertical lines of the square plate-like structure. The optical locator can only effectively collect real-time images when it is located within a certain range under the angle, which greatly restricts the operation. In the present technical solution, on the basis of the first positioning identification component 2, a second positioning identification component 3 and a third positioning identification component 4 with two angle orientations are added, and the vertical line of the second positioning identification component 3 forms an angle of 30° with the vertical line of the upper surface of the calibration body plate 1, and the vertical line of the third positioning identification component 4 forms an angle of 150° with the vertical line of the upper surface of the calibration body plate 1, which can better expand the applicable angle of the calibration body plate 1.

[0077] Preferably, four first positioning mark components 2, four second positioning mark components 3 and four third positioning mark components 4 are provided respectively, that is, four first positioning mark components 2 are provided, four second positioning mark components 3 are provided, and four third positioning mark components 4 are provided.

[0078] Specifically, the center points of the four first positioning identification components 2 are connected in sequence to form a rhombus, the center points of the four second positioning identification components 3 are connected in sequence to form a trapezoid, and the center points of the four third positioning identification components 4 are connected in sequence to form a trapezoid; the upper base of the trapezoid formed by connecting the center points of the four second positioning identification components 3 in sequence is smaller than the upper base of the trapezoid formed by connecting the center points of the four third positioning identification components 4 in sequence; the lower base of the trapezoid formed by connecting the center points of the four second positioning identification components 3 in sequence is smaller than the lower base of the trapezoid formed by connecting the center points of the four third positioning identification components 4 in sequence.

[0079] When calibrating based on the present technical solution, the optical locator acquires the real-time position and posture of the components by collecting real-time images of the first positioning identification component 2, the second positioning identification component 3 or the third positioning identification component 4. Before calibration, the optical locator must identify which real-time images are of the first positioning identification component 2, which real-time images are of the second positioning identification component 3, and which real-time images are of the third positioning identification component 4. In the present technical solution, the positioning identification patterns 5 in the first positioning identification component 2, the second positioning identification component 3 and the third positioning identification component 4 are not very distinctive, and are mainly distinguished by the arrangement of the positioning identification patterns 5. Based on the above structure, through the above distribution setting, it is convenient for the optical locator to quickly identify and distinguish the positioning identification pattern 5.

[0080] like Figure 1 and Figure 2 As shown, preferably, the drill sleeve positioning assembly 6 includes a drill sleeve positioning column; a square recess is provided on the upper surface of the calibration body plate 1, and the square recess is located at a corner of the calibration body plate 1; the drill sleeve positioning column is integrally formed on the calibration body plate 1, and the drill sleeve positioning column is located at the center of the square recess.

[0081] Based on the above structure, a square recess is formed at a corner of the calibration body plate 1, and a drill sleeve positioning column is set in the square recess. A larger operating space is formed through the square recess, which is convenient for inserting the dental treatment mobile phone 10.

[0082] like Figure 3 As shown, preferably, the positioning identification pattern 5 is divided into a first fan-shaped identification area 501, a second fan-shaped identification area 502, a first triangle identification area 503 and a second triangle identification area 504, the first fan-shaped identification area 501 and the second fan-shaped identification area 502 are arranged relatively to each other, and the first triangle identification area 503 and the second triangle identification area 504 are arranged relatively to each other.

[0083] Based on the above design, the positioning identification pattern 5 is composed of the first fan-shaped identification area 501, the second fan-shaped identification area 502, the first triangular identification area 503 and the second triangular identification area 504, so that the positioning identification pattern 5 forms a central identification point, which is convenient for the optical locator to collect its real-time image.

[0084] like Figure 4As shown, preferably, a horizontal positioning recessed portion 101 is provided on the upper surface of the calibration body plate 1, and a horizontal supporting surface is formed on the horizontal positioning recessed portion 101, and the first positioning mark component 2 is fixed in the horizontal positioning recessed portion 101 by adhesive, and the lower surface of the first positioning mark component 2 abuts against the horizontal supporting surface; a first inclined recessed portion 102 is provided on the upper surface of the calibration body plate 1, and a first main supporting surface 103 and a first secondary supporting surface 104 are formed at the bottom of the first inclined recessed portion 102, and an angle of 90° is formed between the first main supporting surface 103 and the first secondary supporting surface 104, and the second positioning mark component 3 is fixed in the first inclined recessed portion 102 by adhesive, and the The lower surface of the second positioning mark component 3 abuts against the first main supporting surface 103, and the side surface of the second positioning mark component 3 abuts against the first secondary supporting surface 104; the upper surface of the calibration body plate 1 is provided with a second inclined recessed portion 105, and the bottom of the second inclined recessed portion 105 is formed with a second main supporting surface 106 and a second secondary supporting surface 107, and the second main supporting surface 106 and the second secondary supporting surface 107 form an angle of 90°; the third positioning mark component 4 is fixed in the second inclined recessed portion 105 by adhesive, and the lower surface of the third positioning mark component 4 abuts against the second main supporting surface 106, and the side surface of the third positioning mark component 4 abuts against the second secondary supporting surface 107.

[0085] Based on the above structure, in the second positioning mark component 3, it is bonded and fixed by the first main supporting surface 103 and the first secondary supporting surface 104, and in the third positioning mark component 4, it is bonded and fixed by the second main supporting surface 106 and the second secondary supporting surface 107, which can better ensure the bonding and fixing effect.

[0086] like Figure 4 As shown, preferably, a first limiting step 108 is provided on the first secondary supporting surface 104, the side surface of the second positioning identification component 3 abuts against the first limiting step 108, and the upper surface of the second positioning identification component 3 is flush with the upper surface of the first limiting step 108; a second limiting step 109 is provided on the second secondary supporting surface 107, the side surface of the third positioning identification component 4 abuts against the second limiting step 109, and the upper surface of the third positioning identification component 4 is flush with the upper surface of the second limiting step 109.

[0087] Based on the above structure, the second positioning mark component 3 and the third positioning mark component 4 are respectively raised by the first limiting step 108 and the second limiting step 109, so that the relative heights of the second positioning mark component 3 and the third positioning mark component 4 on the calibration body plate 1 can be increased, further expanding the adaptability of the optical locator, so that the second positioning mark component 3 and the third positioning mark component 4 have a better light incident angle.

[0088] Specifically, in the first positioning mark component 2, the second positioning mark component 3 and the third positioning mark component 4, the positioning mark plate is a ceramic sheet. The ceramic sheet is used as the positioning mark plate, and the characteristic of the ceramic sheet that it is not easy to deform is utilized, so that the position of the positioning mark pattern 5 relative to the calibration body 1 will not change during use, and the calibration accuracy is effectively guaranteed.

[0089] Specifically, the calibration body plate 1 is an integrally formed aluminum alloy structure. The calibration body plate 1 is formed by an integrally formed aluminum alloy structure, which can ensure the strength of the device, reduce the weight of the device, and effectively reduce the manufacturing cost and manufacturing error.

[0090] like Figure 5 As shown, in order to solve the above problems, the present invention provides a dental treatment mobile phone calibration method, the method is based on an optical locator and the three-way calibration device as described above, and the method comprises the following steps:

[0091] S1. Obtain the structural parameters of the three-way calibration device, the structural parameters of the three-way calibration device include the relative position relationship between the calibration body plate 1, the first positioning mark component 2, the second positioning mark component 3, the third positioning mark component 4 and the drill sleeve positioning component 6, and the structural parameters of the three-way calibration device also include the relative position relationship between each positioning mark pattern 5 on the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4. In step S1, at the beginning of the design, the structural parameters of the three-way calibration device are already known. In this step, it is only necessary to directly obtain its structural parameters through the design data of the three-way calibration device. Based on its structural parameters, the relative position between each component on the three-way calibration device can be obtained.

[0092] S2. Obtaining the structural parameters of the dental treatment handpiece 10, wherein the structural parameters of the dental treatment handpiece 10 include the relative position relationship between the handle 1001 and the drill socket. Similar to step S1, in step S2, the structural parameters of the dental treatment handpiece 10 can be directly obtained through the design data of the dental treatment handpiece 10, and based on the structural parameters, the relative positions of each component on the dental treatment handpiece 10 on the treatment handpiece can be obtained.

[0093] S3. Install the drill sleeve of the dental treatment handpiece 10 on the drill sleeve positioning assembly 6, so that the dental treatment handpiece 10 and the calibration body are connected through the cooperation of the drill sleeve and the drill sleeve positioning assembly 6. In step S3, the structural connection between the dental treatment handpiece 10 and the calibration body can be achieved through the mutual sleeve connection of the drill sleeve and the drill sleeve positioning assembly 6. At this point, the preliminary preparation work for calibration is completed.

[0094] S4. Control the optical locator to face the tracker 1002 on the dental treatment mobile phone 10 and the positioning mark pattern 5 in the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 on the three-way calibration device, and keep the dental treatment mobile phone 10 and the three-way calibration device relatively fixed. In step S4, it is necessary to ensure that the optical locator can simultaneously illuminate the tracker 1002 on the dental treatment mobile phone 10 and the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 on the three-way calibration device. On the one hand, the optical locator faces the tracker 1002 on the dental treatment mobile phone 10 to collect the real-time image of the tracker 1002 of the dental treatment mobile phone 10; on the other hand, it faces the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 to use the most suitable real-time image among the three.

[0095] S5. Determine the one with the smallest angle between the vertical line of the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 and the light emission direction of the optical locator, and use the one with the smallest angle as the reference positioning mark component for the calibration process. The positions of the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 on the calibration body plate 1 have been fixed. Therefore, when the optical locator is directed to the three-way calibration device, there must be a group of the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 with the best real-time image acquisition effect. According to the working principle of the optical locator, the criterion for judging the real-time image acquisition effect is the angle between the vertical line of the positioning mark component and the light emission direction of the optical locator. The smaller the angle, the better the image acquisition effect. When the optical locator is facing a certain positioning mark component, the angle between the vertical line of the positioning mark component and the light emission direction of the optical locator is 0°, and the image acquisition effect is best at this time. The purpose of step S5 is to compare and find the smallest angle between the vertical lines of the first positioning mark component 2, the second positioning mark component 3, and the third positioning mark component 4 and the light emission direction of the optical locator, and use the smallest angle as the reference positioning mark component for the calibration process. The reference positioning mark component may be the first positioning mark component 2, the second positioning mark component 3, or the third positioning mark component 4, depending on the relative position relationship between the optical locator and the device during implementation. After the reference positioning mark component is determined, the remaining steps only perform calibration operations through the real-time image of the reference positioning mark component.

[0096] S6. Control the optical locator to collect the real-time image of the positioning mark pattern 5 on the reference positioning mark component in the three-dimensional calibration device, and obtain the real-time coordinate parameters of the positioning mark pattern 5 in the three-dimensional coordinate system of the optical locator by using the real-time image of the positioning mark pattern 5 on the reference positioning mark component. In step S6, since the reference positioning mark component is fixedly arranged on the three-dimensional calibration device, the real-time coordinate parameters of the corresponding positioning mark pattern 5 in the three-dimensional coordinate system of the optical locator can be obtained by using the real-time image of the positioning mark pattern 5 on the reference positioning mark component.

[0097] S7. Based on the real-time coordinate parameters of the positioning mark pattern 5 in the three-dimensional coordinate system of the optical locator and the structural parameters of the three-dimensional calibration device, the real-time coordinate parameters of the three-dimensional calibration device in the three-dimensional coordinate system of the optical locator are obtained. In step S7, the optical locator has obtained the real-time coordinate parameters of the corresponding positioning mark pattern 5 in the three-dimensional coordinate system of the optical locator, based on which the real-time coordinate parameters of the three-dimensional calibration device in the three-dimensional coordinate system of the optical locator can be obtained.

[0098] S8. Control the optical locator to collect the real-time image of the tracker 1002 on the dental treatment handpiece 10. The optical locator simultaneously illuminates the tracker 1002 on the dental treatment handpiece 10 and the reference positioning mark component in the three-way calibration device. While collecting the real-time image of the positioning mark pattern 5 on the reference positioning mark component in step S6, the real-time image of the tracker 1002 on the dental treatment handpiece 10 is also collected.

[0099] S9. Use the drill sleeve positioning assembly 6 in the three-way calibration device and the drill sleeve tube in the dental treatment mobile phone 10 fixed therein as a calibration bridge, and obtain the real-time coordinate parameters of the drill sleeve positioning assembly 6 in the three-dimensional coordinate system of the optical locator based on the real-time coordinate parameters of the three-way calibration device in the three-dimensional coordinate system of the optical locator.

[0100] S10. Based on the structural positional relationship between the drill sleeve positioning assembly 6 and the drill sleeve tube, the real-time coordinate parameters of the drill sleeve tube in the three-dimensional coordinate system of the optical locator are obtained through the real-time coordinate parameters of the drill sleeve positioning assembly 6 in the three-dimensional coordinate system of the optical locator. Structurally, the drill sleeve tube in the dental treatment mobile phone 10 is connected to the drill sleeve positioning assembly 6 in the three-way calibration device. In the above steps, the real-time coordinate parameters of the drill sleeve positioning assembly 6 in the three-dimensional coordinate system of the optical locator are known. Based on the above structural relationship, the real-time coordinate parameters of the drill sleeve tube in the three-dimensional coordinate system of the optical locator can be directly obtained.

[0101] S11. Data matching is performed on the real-time coordinate parameters of the drill socket in the three-dimensional coordinate system of the optical locator and the real-time image of the tracker 1002 on the dental treatment handpiece 10, and a coordinate conversion relationship is established between the three-dimensional coordinate system of the tracker 1002 and the three-dimensional coordinate system of the drill socket, and calibration is completed. In step S10, the real-time coordinate parameters of the drill socket in the three-dimensional coordinate system of the optical locator are known, the drill socket is a component of the dental treatment handpiece 10, and the real-time image of the tracker 1002 on the dental treatment handpiece 10 is known. Through step S11, the real-time position and posture of the drill socket on the dental treatment handpiece 10 can be obtained through the real-time image of the tracker 1002 on the dental treatment handpiece 10. After calibration, when in use, the real-time position and posture of the drill socket on the dental treatment handpiece 10 can be directly obtained by collecting the real-time image of the tracker 1002 on the dental treatment handpiece 10 through the optical locator.

[0102] Based on the above method, by providing multiple optimal angles facing the different first positioning identification components 2, the second positioning identification components 3, and the third positioning identification components 4, the applicable angle of the optical locator can theoretically be tripled. During operation, first select one of the first positioning identification components 2, the second positioning identification components 3, and the third positioning identification components 4 as the reference positioning identification component, and then perform the calibration operation to ensure that the device has the advantages of scientific and reasonable structure, a wide range of applicable angles, and easy operation.

[0103] After completing the calibration operation, based on the ball head calibration component 7, the conical calibration component 8 and the outer diameter calibration component 9, the ball drill, conical drill and drill bit diameter of the dental treatment mobile phone 10 can be further calibrated to meet the diverse calibration function requirements. Specifically, when a spherical drill is installed on the dental treatment mobile phone 10, the spherical drill can be calibrated by the ball head calibration component 7, the spherical drill is placed in the ball head calibration component 7, and the real-time position of the dental treatment mobile phone 10 is read by the optical locator to determine the center of the spherical drill; when a conical drill is installed on the dental treatment mobile phone 10, the conical drill can be calibrated by the conical calibration component 8, the conical drill is placed in the ball head calibration component 7, and the real-time position of the dental treatment mobile phone 10 is read by the optical locator to determine the tip of the conical drill; when a conical drill is installed on the dental treatment mobile phone 10, the outer diameter of the conical drill can be calibrated by the outer diameter calibration component 9, the spherical drill is placed in the outer diameter calibration component 9 and moved to the locking position, the real-time position of the dental treatment mobile phone 10 is read by the optical locator to determine the diameter value of the conical drill. Therefore, based on the ball head calibration component 7, the conical calibration component 8 and the outer diameter calibration component 9, the ball drill, conical drill and drill bit diameter of the dental treatment mobile phone 10 can be further calibrated to meet the diversified calibration function requirements.

[0104] It should be understood that the application of the present invention is not limited to the above examples. For ordinary technicians in this field, improvements or changes can be made based on the above description. All these improvements and changes should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A three-way calibration device for a dental treatment handpiece, characterized in that: It includes a calibration body plate, a first positioning mark component, a second positioning mark component, a third positioning mark component and a drill sleeve positioning component; The calibration body plate is a square plate-shaped structure, and the first positioning mark assembly, the second positioning mark assembly, the third positioning mark assembly and the drill sleeve positioning assembly are fixedly arranged on the upper surface of the calibration body plate; The first positioning mark component, the second positioning mark component and the third positioning mark component all include a positioning mark plate and a positioning mark pattern arranged on the positioning mark plate; At least four of the first positioning mark components, the second positioning mark components and the third positioning mark components are respectively provided, and the first positioning mark components face the same direction, the second positioning mark components face the same direction, and the third positioning mark components face different directions; The center points of the four second positioning mark components are connected in sequence to form a trapezoid, and the center points of the four third positioning mark components are connected in sequence to form a trapezoid; the upper base of the trapezoid formed by the center points of the four second positioning mark components are connected in sequence is smaller than the upper base of the trapezoid formed by the center points of the four third positioning mark components are connected in sequence; the lower base of the trapezoid formed by the center points of the four second positioning mark components are connected in sequence is smaller than the lower base of the trapezoid formed by the center points of the four third positioning mark components are connected in sequence; The upper surface of the calibration body plate is provided with a horizontal positioning recessed portion, a horizontal supporting surface is formed on the horizontal positioning recessed portion, the first positioning mark component is fixed in the horizontal positioning recessed portion by adhesive, and the lower surface of the first positioning mark component abuts against the horizontal supporting surface; The upper surface of the calibration body plate is provided with a first inclined recessed portion, the bottom of the first inclined recessed portion is formed with a first main support surface and a first secondary support surface, the first main support surface and the first secondary support surface form an angle of 90°, the second positioning mark component is fixed in the first inclined recessed portion by adhesive, the lower surface of the second positioning mark component abuts against the first main support surface, and the side surface of the second positioning mark component abuts against the first secondary support surface; A second inclined recessed portion is provided on the upper surface of the calibration body plate, and a second main supporting surface and a second secondary supporting surface are formed at the bottom of the second inclined recessed portion, and a 90° angle is formed between the second main supporting surface and the second secondary supporting surface. The third positioning mark component is fixed in the second inclined recessed portion by adhesive, and the lower surface of the third positioning mark component abuts against the second main supporting surface, and the side surface of the third positioning mark component abuts against the second secondary supporting surface.

2. A three-way calibration device for a dental treatment handpiece according to claim 1, characterized in that: It also includes a ball head calibration component, a cone calibration component and an outer diameter calibration component, wherein the ball head calibration component, the cone calibration component and the outer diameter calibration component are formed on the upper surface of the calibration body plate; The calibration body plate forms the ball head calibration component through an inwardly recessed spherical groove, the calibration body plate forms the conical calibration component through an inwardly recessed conical groove, and the calibration body plate forms the outer diameter calibration component through an inwardly recessed strip groove, and the width of the strip groove gradually increases from one end to the other.

3. A three-way calibration device for a dental treatment handpiece according to claim 1, characterized in that: The vertical line of the first positioning mark component is parallel to the vertical line on the upper surface of the calibration body plate, the vertical line of the second positioning mark component is at an angle of 30° to the vertical line on the upper surface of the calibration body plate, and the vertical line of the third positioning mark component is at an angle of 150° to the vertical line on the upper surface of the calibration body plate.

4. A three-way calibration device for a dental treatment handpiece according to claim 1, characterized in that: The drill sleeve positioning assembly includes a drill sleeve positioning column; A square recessed portion is provided on the upper surface of the calibration body plate, and the square recessed portion is located at a corner of the calibration body plate. The drill sleeve positioning column is integrally formed and provided on the calibration body plate, and the drill sleeve positioning column is located at the center of the square recessed portion.

5. A three-way calibration device for a dental treatment handpiece according to claim 1, characterized in that: The positioning identification pattern is divided into a first fan-shaped identification area, a second fan-shaped identification area, a first triangle identification area and a second triangle identification area. The first fan-shaped identification area and the second fan-shaped identification area are arranged opposite to each other, and the first triangle identification area and the second triangle identification area are arranged opposite to each other.

6. A three-way calibration device for a dental treatment handpiece according to claim 1, characterized in that: A first limiting step is provided on the first auxiliary support surface, a side surface of the second positioning mark component abuts against the first limiting step, and an upper surface of the second positioning mark component is flush with an upper surface of the first limiting step; The second auxiliary support surface is provided with a second limiting step, the side surface of the third positioning mark component abuts against the second limiting step, and the upper surface of the third positioning mark component is flush with the upper surface of the second limiting step.

7. A three-way calibration device for a dental treatment handpiece according to claim 1, characterized in that: In the first positioning mark assembly, the second positioning mark assembly and the third positioning mark assembly, the positioning mark plate is a ceramic sheet.

8. A method for calibrating a dental treatment handpiece, characterized in that: The method is based on an optical locator and a three-way calibration device according to any one of claims 1 to 7, and comprises the following steps: S1. Obtaining the structural parameters of the three-way calibration device, the structural parameters of the three-way calibration device include the relative position relationship between the calibration body plate, the first positioning mark component, the second positioning mark component, the third positioning mark component and the drill sleeve positioning component, and the structural parameters of the three-way calibration device also include the relative position relationship between the first positioning mark component, the second positioning mark component and the third positioning mark component; S2 obtains the structural parameters of the dental treatment mobile phone, the structural parameters of the dental treatment mobile phone include the relative position relationship between the handle and the drill socket; S3. The drill sleeve of the dental treatment mobile phone is installed on the drill sleeve positioning assembly, so that the dental treatment mobile phone and the calibration body are connected through the drill sleeve and the drill sleeve positioning assembly; S4. Control the optical locator toward the tracker on the dental treatment mobile phone and the positioning identification pattern in the first positioning identification component, the second positioning identification component, and the third positioning identification component on the three-way calibration device to keep the dental treatment mobile phone and the three-way calibration device relatively fixed; S5. Determine the smallest angle between the vertical lines of the first positioning identification component, the second positioning identification component, and the third positioning identification component and the light emission direction of the optical positioning instrument, and use the smallest angle as the reference positioning identification component for the calibration process; S6. Control the optical locator to collect a real-time image of the positioning mark pattern on the reference positioning mark component in the three-dimensional calibration device, and obtain the real-time coordinate parameters of the positioning mark pattern in the three-dimensional coordinate system of the optical locator by referring to the real-time image of the positioning mark pattern on the reference positioning mark component; S7. Based on the real-time coordinate parameters of the positioning mark pattern in the three-dimensional coordinate system of the optical locator and the structural parameters of the three-dimensional calibration device, obtain the real-time coordinate parameters of the three-dimensional calibration device in the three-dimensional coordinate system of the optical locator; S8. Control the optical locator to collect real-time images of the tracker on the dental treatment mobile phone; S9. Using the drill sleeve positioning assembly in the three-way calibration device and the drill sleeve in the dental treatment mobile phone fixed therein as the calibration bridge, the real-time coordinate parameters of the drill sleeve positioning assembly in the three-dimensional coordinate system of the optical locator are obtained based on the real-time coordinate parameters of the three-way calibration device in the three-dimensional coordinate system of the optical locator; S10. Based on the structural positional relationship between the drill sleeve positioning assembly and the drill sleeve tube, the real-time coordinate parameters of the drill sleeve tube in the three-dimensional coordinate system of the optical locator are obtained through the real-time coordinate parameters of the drill sleeve positioning assembly in the three-dimensional coordinate system of the optical locator; S11. Perform data matching on the real-time coordinate parameters of the drill socket in the three-dimensional coordinate system of the optical locator and the real-time image of the tracker on the dental treatment mobile phone, establish a coordinate conversion relationship between the three-dimensional coordinate system of the tracker and the three-dimensional coordinate system of the drill socket, and complete the calibration.

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