Device for measuring depth of root canal model

Abstract

The utility model discloses a device for measuring the depth of a root canal model, which comprises an operation base, a root canal model support, a root canal model and a fine tuning assembly, the root canal model support is arranged on the top surface of the operation base, a vertically arranged placing groove and a transversely arranged conducting groove are arranged in the root canal model support, and the fine tuning assembly is arranged in the placing groove. The placement groove is communicated with the conduction groove; a conducting wire is arranged in the conducting groove, and the conducting wire is connected with an external positioning instrument; the root canal model is suitable for being placed in the placing groove, a root canal channel is arranged in the root canal model, and the root canal channel is communicated with the placing groove after the root canal model is placed in place; the fine adjustment assembly comprises a fine adjustment support installed on the operation base and a fine adjustment lead screw installed on the fine adjustment support, the fine adjustment assembly can be fixed through magnetic attraction, it is ensured that a model is reliably positioned, meanwhile, feeding of a root canal file is achieved through the fine adjustment lead screw, and the accuracy of depth measurement is improved.

Description

Technical Field

[0001] This utility model relates to a device for measuring the depth of a dental root canal model, belonging to the field of medical equipment technology. Background Technology

[0002] Currently, root canal treatment is a key technology, and its operational precision directly affects the treatment outcome. Traditional root canal depth measurement relies heavily on the dentist's tactile experience or the use of simple graduated tools, resulting in strong subjectivity, large errors, and poor repeatability. While some electronic measuring devices can improve accuracy, they are complex in structure, expensive, and existing testing devices often experience measurement interruptions due to unstable positioning or poor conductive contact, affecting efficiency. A search revealed that Chinese patent CN206400916U discloses a three-dimensional experimental model for root canal treatment. In this patent, the extracted tooth is placed vertically into a transparent container, and the crown is clamped by a retention screw on the container wall. The tightness of the retention screw is adjusted so that the apical foramen of the extracted tooth faces downwards. Physiological saline is poured into the container, and the liquid level must completely cover the apical foramen of the extracted tooth. The retention screw hole at the bottom of the container is aligned with the retention screw on the operating base and tightened. Finally, one end of a stainless steel guide wire is inserted into the through hole of the root canal length measuring instrument on the outside of the container, and the other end of the root canal length measuring instrument is connected to a root canal file, which is then inserted into the root canal of the extracted tooth. However, this patent relies on retention screws to clamp the crown, which is cumbersome to operate, and the varying shapes of extracted teeth can easily cause the screws to loosen, resulting in model displacement. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a device for measuring the depth of a root canal model. It can be fixed by magnetic attraction to ensure reliable model positioning, and at the same time, it uses a fine-tuning screw to realize the feed of the root canal file, thereby improving the accuracy of depth measurement.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a device for measuring the depth of a root canal model, comprising:

[0005] Operating base;

[0006] A root canal model support is installed on the top surface of the operating base. The root canal model support is provided with a vertically arranged placement groove and a horizontally arranged guiding groove, and the placement groove is connected to the guiding groove.

[0007] The conductive groove is provided with a conductive wire, which is connected to an external positioning instrument;

[0008] A root canal model, which is adapted to be placed in the placement slot, has a root canal channel in the root canal model, and the root canal channel is connected to the placement slot after the root canal model is placed in place;

[0009] The fine-tuning component includes a fine-tuning bracket mounted on the operating base and a fine-tuning screw mounted on the fine-tuning bracket. The movable end of the fine-tuning screw is connected to a root canal file, and the root canal file is connected to an external positioning device.

[0010] A closed loop is formed between the root canal file, the guide wire, and the external locator;

[0011] Turning the fine-tuning screw is adapted to move the root canal file axially along the root canal channel to measure the depth of the root canal model.

[0012] Furthermore, to ensure the root canal model remains stable during measurement, a magnetic fixing plate is fixedly installed on the top surface of the operating base;

[0013] The root canal model support is equipped with a magnetic suction component at the bottom, which is attracted to the magnetic fixing plate.

[0014] Furthermore, to ensure the continuity and accuracy of signal transmission, the placement slot and the conduction slot store a conductive medium.

[0015] Furthermore, to improve ease of operation, the top of the fine-tuning screw is equipped with an operating handle suitable for operation.

[0016] Furthermore, the fine-tuning component also includes a mounting sleeve, which has a mounting cavity in which the root canal file is mounted. The wall of the mounting sleeve has a connecting hole that communicates with the mounting cavity.

[0017] Furthermore, the external positioning device is connected to the conductive wire via the first connecting line;

[0018] The external locator is connected to the root canal file via a second connecting line passing through the connecting hole.

[0019] Furthermore, in order to ensure the stability of the root canal model after it is installed in place, the root canal model support is also provided with a limiting hole, in which a limiting component is installed. The limiting component is suitable for limiting the root canal model after it is installed in place.

[0020] After adopting the above technical solution, this utility model has the following beneficial effects:

[0021] In this invention, the root canal model is vertically placed into the placement groove of the root canal model support, and the model is locked by the limiting component to ensure that the root canal channel is correctly aligned and connected with the placement groove. Conductive medium is injected into the placement groove. The magnetic fixing plate on the top surface of the operating base is attracted to the magnetic component at the bottom of the root canal model support to fix the root canal model and ensure that it remains stable during the measurement process.

[0022] The external locator is connected to the guide wire via the first connecting line, and the root canal file is connected to the external locator via the second connecting line. By operating the handle at the top of the fine-tuning screw, the fine-tuning screw is slowly turned to move the root canal file along the root canal channel of the root canal model. Under the action of the conductive medium, a loop is formed between the external locator, the root canal file, and the root canal model. During the movement of the root canal file, its position information is transmitted to the external locator through the guide wire and the external connecting line. After receiving the signal, the external locator analyzes and calculates the depth of the root canal model and displays the measurement results.

[0023] After the measurement is completed, loosen the fine-tuning screw, remove the root canal model, and proceed with the measurement of the next model or data analysis. Attached Figure Description

[0024] Figure 1 This is a perspective view of a device for measuring the depth of a root canal model according to the present invention;

[0025] Figure 2 This is a front view of a device for measuring the depth of a root canal model according to the present invention;

[0026] Figure 3 This is a top view of a device for measuring the depth of a root canal model according to the present invention;

[0027] Figure 4 This is a full sectional view of a device for measuring the depth of a root canal model according to the present invention. Detailed Implementation

[0028] To make the contents of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0029] like Figure 1-4 As shown, a device for measuring the depth of a root canal model includes:

[0030] Operating base 1;

[0031] The root canal model support 2 is installed on the top surface of the operating base 1. The root canal model support 2 is provided with a vertically arranged placement groove 21 and a horizontally arranged guide groove 22. The placement groove 21 and the guide groove 22 are connected.

[0032] The guide groove 22 is provided with a guide wire 221, which is connected to an external positioning instrument;

[0033] The root canal model 3 is suitable for being placed in the placement slot 21. The root canal model 3 is provided with a root canal channel 31. After the root canal model 3 is placed in place, the root canal channel 31 is connected to the placement slot 21.

[0034] The fine-tuning component includes a fine-tuning bracket 41 mounted on the operating base 1 and a fine-tuning screw 42 mounted on the fine-tuning bracket 41. The movable end of the fine-tuning screw 42 is connected to a root canal file 5, which is connected to an external positioning instrument.

[0035] A closed loop is formed between the root canal file 5, the guide wire 221, and the external locator;

[0036] Tightening the fine-tuning screw 42 is suitable for moving the root canal file 5 axially along the root canal channel 31 to measure the depth of the root canal model 3.

[0037] Specifically, such as Figure 1-4 As shown, a magnetic fixing plate 11 is fixedly installed on the top surface of the operating base 1;

[0038] The root canal model support 2 is equipped with a magnetic suction component at the bottom, which is attracted to the magnetic fixing plate.

[0039] Specifically, the placement groove 21 and the conduction groove 22 store conductive medium.

[0040] In this embodiment, the conductive medium is physiological saline, but other conductive media can also be used.

[0041] Specifically, such as Figure 1-4 As shown, the top of the fine-tuning screw 42 is provided with an operating handle 421 suitable for operation.

[0042] Specifically, such as Figure 4 As shown, the fine-tuning assembly also includes a mounting sleeve 43, which has a mounting cavity 431. The root canal file 5 is installed in the mounting cavity 431. The wall of the mounting sleeve 43 has a connecting hole 431A, which is connected to the mounting cavity 431.

[0043] Specifically, the external positioning device is connected to the conductive wire 221 via the first connecting line;

[0044] The external locator is connected to the root canal file 5 via a second connecting wire passing through the connecting hole 431A.

[0045] In this embodiment, the external locator is an existing root apex locator, and its structure and implementation principle will not be described in detail here.

[0046] Specifically, such as Figure 4 As shown, the root canal model support 2 is also provided with a limiting hole 23, and a limiting component 24 is installed in the limiting hole 23. The limiting component 24 is suitable for limiting the root canal model after it is installed in place.

[0047] In this utility model, the root canal model 3 is vertically placed into the placement groove 21 of the root canal model support 2, and the model is locked by the limiting member 24 to ensure that the root canal channel 31 is correctly aligned and connected with the placement groove 21, and the conductive medium is injected into the placement groove 21. The magnetic fixing plate 11 on the top surface of the operating base is attracted to the magnetic member at the bottom of the root canal model support 2 to fix the root canal model 3 and ensure that it remains stable during the measurement process.

[0048] The external locator is connected to the guide wire 221 via the first connecting line, and the root canal file 5 is connected to the external locator via the second connecting line. By operating the handle 421 at the top of the fine-tuning screw 42, the fine-tuning screw 42 is slowly turned to move the root canal file 5 along the root canal channel 21 of the root canal model 3 axially. Under the action of the conductive medium, a loop is formed between the external locator, the root canal file 4, and the root canal model 3. During the movement of the root canal file 5, its position information is transmitted to the external locator through the guide wire 221 and the external connecting line. After receiving the signal, the external locator analyzes and calculates the depth of the root canal model 3 and displays the measurement results.

[0049] After the measurement is completed, loosen the fine-tuning screw 42, remove the root canal model 3, and proceed with the measurement of the next model or data analysis.

[0050] The specific embodiments described above further illustrate the technical problems, technical solutions, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for measuring the depth of a root canal model, characterized in that, include: Operating base (1); A root canal model support (2) is installed on the top surface of the operating base (1). The root canal model support (2) is provided with a vertically arranged placement groove (21) and a horizontally arranged guide groove (22). The placement groove (21) is connected to the guide groove (22). The conductive groove (22) is provided with a conductive wire (221), which is connected to an external positioning instrument; A root canal model (3) is adapted to be placed in the placement slot (21). The root canal model (3) is provided with a root canal channel (31). After the root canal model (3) is placed in place, the root canal channel (31) is connected to the placement slot (21). The fine-tuning component includes a fine-tuning bracket (41) mounted on the operating base (1) and a fine-tuning screw (42) mounted on the fine-tuning bracket (41). The movable end of the fine-tuning screw (42) is connected to a root canal file (5), which is connected to an external positioning device. A closed loop is formed between the root canal file (5), the guide wire (221), and the external locator; Tightening the fine-tuning screw (42) is adapted to move the root canal file (5) axially along the root canal channel (31) to measure the depth of the root canal model (3).

2. The device for measuring the depth of a root canal model according to claim 1, characterized in that: A magnetic fixing plate (11) is fixedly installed on the top surface of the operating base (1); The root canal model support (2) is provided with a magnetic suction component at the bottom, and the magnetic suction component is attracted to the magnetic suction fixing plate (11).

3. The device for measuring the depth of a root canal model according to claim 1, characterized in that: The placement slot (21) and the conduction slot (22) contain conductive media.

4. The device for measuring the depth of a root canal model according to claim 1, characterized in that: The top of the fine-tuning screw (42) is provided with an operating handle (421) suitable for operation.

5. The device for measuring the depth of a root canal model according to claim 1, characterized in that: The fine-tuning component also includes an installation sleeve (43), which has an installation cavity (431) in which the root canal file (5) is installed. The wall of the installation sleeve (43) has a connecting hole (431A) that communicates with the installation cavity (431).

6. The device for measuring the depth of a root canal model according to claim 5, characterized in that: The external positioning device is connected to the conductive wire (221) via the first connecting line; The external locator is connected to the root canal file (5) via a second connecting line passing through the connecting hole (431A).

7. The device for measuring the depth of a root canal model according to claim 1, characterized in that: The root canal model support (2) is also provided with a limiting hole (23), and a limiting component (24) is installed in the limiting hole (23). The limiting component (24) is suitable for limiting the root canal model after it is installed in place.

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