Microscopic root canal multifunctional device

By designing a micro root canal multifunctional device including a wire coil seat, an adjustment structure and a driving motor, the problems of difficulty in picking up metal needles and cumbersome replacement of wire coils in deep and narrow wounds in the prior art are solved, and a more efficient picking and replacement process is achieved.

CN222983181UActive Publication Date: 2025-06-17WUHAN DAZHONG DENTAL MEDICAL CO LTD
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Patent Information

Application Number
CN202421746478.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-06-17
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The existing microscope multifunctional device is difficult to retrieve metal needles in deep and narrow wounds, and the use effect is poor. The overall device needs to be removed when replacing the wire coil, which affects working efficiency.

Method used

A micro-root canal multifunctional device is designed, including a wire coil seat, an adjustment structure and a driving motor. The moving circular plate is driven by a circular rotary plate and a reciprocating screw to realize the shrinkage of the wire coil and the pick-up of the metal needle; at the same time, the replacement process of the wire coil is simplified by rotating the connector and the driving motor.

Benefits of technology

The microroot canal multifunctional device is simpler and more convenient when picking up the metal needle, which improves the practicality of the device; the process of replacing the wire coil has also become simple and quick, reducing the operating time of the staff and improving work efficiency.

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Abstract

The utility model provides a microscopic root canal multifunctional device, and relates to the technical field of root canal treatment. The multifunctional microscopic root canal device comprises a main device body, a steel wire coil base is arranged on the inner side of the main device body, a steel wire coil body is fixedly installed at the bottom of the steel wire coil base, an adjusting structure is arranged between the main device body and the steel wire coil base, and the adjusting structure comprises a supporting frame and a circular rotating plate. According to the multifunctional microscopic root canal device, a metal needle falling into a wound is sleeved with one end of a steel wire coil body, then a control button is pressed to drive a driving motor to operate, and the driving motor drives a circular rotating plate to rotate, so that a reciprocating lead screw is driven to rotate along with the circular rotating plate to drive a movable circular plate to move; the steel wire coil body sleeved with the metal needle is shrunk, the metal needle is arranged between the connector and the steel wire coil body in a sleeved mode, then the device is taken out, the device is easy and convenient to fish the metal needle falling to a wound, and the practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to a multifunctional device, in particular to a multifunctional microscope root canal device, belonging to the technical field of root canal treatment. Background Art

[0002] In root canal treatment, the metal needle for cleaning the root canal is too thin and easily falls into the wound, making it impossible to retrieve, which may cause complications for the patient and must be retrieved in time. The existing multifunctional microscope device is shaped like a pen, with a hollow syringe at the front end and a button on the handle to control the wire coil at the front end of the syringe for retrieving the broken metal needle.

[0003] However, in the actual use process, due to the relatively deep wound, small and long space, it is difficult to retrieve with the existing multifunctional microscope device, and the use effect is not very good, reducing the practicability of the device. Moreover, after the multifunctional microscope device is used for a period of time, it is usually necessary to replace the new wire coil. During disassembly and assembly, it is rather troublesome and requires the whole device to be disassembled and reassembled, affecting the work efficiency. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] The purpose of the present utility model is to provide a multifunctional microscope root canal device to solve the above problems, that is, to solve the problem that in the prior art, due to the relatively deep wound, small and long space, it is difficult to retrieve with the existing multifunctional microscope device, and the use effect is not very good, reducing the practicability of the device.

[0006] (2) Technical Solutions

[0007] The present utility model is realized through the following technical solutions: a multifunctional microscope root canal device, including a main body. A wire coil seat is arranged inside the main body. A wire coil body is fixedly installed at the bottom of the wire coil seat. An adjusting structure is arranged between the main body and the wire coil seat. The adjusting structure includes a support frame and a circular rotating plate. The circular rotating plate is rotatably installed on the top of the main body. A reciprocating lead screw is fixedly installed at the bottom of the circular rotating plate. A moving circular plate is connected to the outside of the reciprocating lead screw through a nut pair. The moving circular plate is arranged inside the main body and is in sliding contact with the main body.

[0008] Preferably, the support frame is fixedly installed on the outside of the main body. A control button is fixedly installed at the top of the support frame. A driving motor is fixedly installed inside the support frame. The control button and the driving motor are electrically connected.

[0009] Preferably, the wire coil seat is provided with a circular notch, the reciprocating lead screw passes through the circular notch of the wire coil seat, the radius of the reciprocating lead screw is smaller than the radius of the circular notch of the wire coil seat, and the radius of the circular notch provided in the wire coil seat is larger than the radius of the reciprocating lead screw, which can effectively prevent contact with the reciprocating lead screw when the reciprocating lead screw passes through and affect the rotation of the reciprocating lead screw.

[0010] Preferably, a plurality of anti-slip grooves are provided on the outer side of the main body, a threaded connection ring is threadedly connected to the bottom of the main body, and a connection head is fixedly installed at the bottom of the threaded connection ring.

[0011] Preferably, a fixing structure is provided between the wire coil seat and the moving circular plate. The fixing structure includes two square inserts. Two reset springs are fixedly installed inside the square inserts. One end of the two reset springs is fixedly installed with a square limit block. A square sliding groove is provided on one side of the square insert, and the square limit block is arranged inside the square sliding groove and is in sliding contact with the square insert.

[0012] Preferably, two square slots are provided on one side of the wire coil seat. The two square inserts and the two square slots are of matching sizes. A square limit groove is formed on one side of the square slot of the wire coil seat. The square limit block and the square limit groove are of matching sizes.

[0013] Preferably, two long strip-shaped sliding grooves are provided inside the main body. The two square limit blocks and the two long strip-shaped sliding grooves are of matching widths. The two long strip-shaped sliding grooves provided inside the main body can limit the sliding of the two square inserts in the two long strip-shaped sliding grooves, so as to ensure that the moving circular plate will not rotate following the rotation of the reciprocating lead screw.

[0014] Preferably, two square clamping slots are provided on the outer side of the main body. The two square limit blocks and the two square clamping slots are of matching sizes. The two square clamping slots provided in the main body can be used to expose the two square limit blocks, so as to press them to cancel the limit fixation between the moving circular plate and the wire coil seat.

[0015] The present utility model provides a multi-functional micro-root canal instrument, and its beneficial effects are as follows:

[0016] 1. For this multi-functional micro-root canal instrument, one end of the wire coil body is used to sleeve the metal needle dropped in the wound, and then the control button is pressed to drive the driving motor to operate. The driving motor drives the circular rotating plate to rotate, thereby driving the reciprocating lead screw to rotate accordingly, driving the moving circular plate to move, so that the wire coil body sleeving the metal needle contracts, and the metal needle is sleeved between the connection head and the wire coil body, and then the device can be taken out. This makes it simple and convenient for the device to fish for the metal needle dropped into the wound, improving the practicability of the device.

[0017] 2. For this microscopic root canal multifunctional instrument, by rotating the connecting head to drive the threaded connecting ring to rotate, the threaded connecting ring and the connecting head are separated from the main body. Then, start the driving motor to move the position of the moving circular plate to the bottommost end. At this time, the two square limiting blocks will be located in the two square card slots. Then, press the two square limiting blocks to move the square limiting blocks from the square limiting slots of the steel wire coil seat to the square sliding slots of the square inserts, thereby canceling the limitation of the square limiting blocks on the steel wire coil seat. At this time, the steel wire coil seat and the steel wire coil body at the bottom can be removed for replacement. Then, insert the two square inserts into the two square slots of the new steel wire coil seat. Under the elastic action of the return spring, it will drive the square limiting blocks to move into the square limiting slots of the new steel wire coil seat for fixation, thus completing the replacement, making the replacement of the device simple and fast, reducing the time for the staff to replace the steel wire coil body, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a sectional view of the overall structure of the present utility model;

[0020] Figure 3 is a sectional view of the adjustment structure of the present utility model;

[0021] Figure 4 is a sectional view of the fixing structure of the present utility model.

[0022]

SYMBOLS OF MAIN COMPONENTS

[0023] 1. Main body; 2. Connecting head; 3. Threaded connecting ring; 4. Steel wire coil seat; 5. Steel wire coil body; 6. Support frame; 7. Control button; 8. Driving motor; 9. Circular rotating plate; 10. Reciprocating lead screw; 11. Moving circular plate; 12. Square insert; 13. Return spring; 14. Square limiting block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The embodiments of the present utility model provide a microscopic root canal multifunctional instrument.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4, including the main body 1, a wire coil seat 4 is arranged inside the main body 1, a wire coil body 5 is fixedly installed at the bottom of the wire coil seat 4, and an adjusting structure is arranged between the main body 1 and the wire coil seat 4. The adjusting structure includes a support frame 6 and a circular rotating plate 9. The circular rotating plate 9 is rotatably installed at the top of the main body 1. A reciprocating lead screw 10 is fixedly installed at the bottom of the circular rotating plate 9. A moving circular plate 11 is connected to the outside of the reciprocating lead screw 10 through a nut pair. The moving circular plate 11 is arranged inside the main body 1 and is in sliding contact with the main body 1.

[0026] In this embodiment, the support frame 6 is fixedly installed on the outside of the main body 1. A control button 7 is fixedly installed at the top of the support frame 6. A driving motor 8 is fixedly installed inside the support frame 6. The control button 7 and the driving motor 8 are electrically connected.

[0027] In this embodiment, the wire coil seat 4 is provided with a circular notch. The reciprocating lead screw 10 passes through the circular notch of the wire coil seat 4. The radius of the reciprocating lead screw 10 is smaller than the radius of the circular notch of the wire coil seat 4.

[0028] In this embodiment, a number of anti-slip grooves are provided on the outside of the main body 1. A threaded connection ring 3 is threadedly connected to the bottom of the main body 1. A connection head 2 is fixedly installed at the bottom of the threaded connection ring 3.

[0029] In this embodiment, a fixing structure is arranged between the wire coil seat 4 and the moving circular plate 11. The fixing structure includes two square inserts 12. Two reset springs 13 are fixedly installed inside the square inserts 12. One end of the two reset springs 13 is fixedly installed with a square limit block 14. A square sliding groove is provided on one side of the square insert 12. The square limit block 14 is arranged inside the square sliding groove and is in sliding contact with the square insert 12.

[0030] In this embodiment, two square slots are provided on one side of the wire coil seat 4. The two square inserts 12 and the two square slots are of matching sizes. A square limit groove is formed on one side of the square slot of the wire coil seat 4. The square limit block 14 and the square limit groove are of matching sizes.

[0031] In this embodiment, two long strip-shaped sliding grooves are provided inside the main body 1. The two square limit blocks 14 and the two long strip-shaped sliding grooves are of matching widths.

[0032] In this embodiment, two square clamping grooves are provided on the outside of the main body 1. The two square limit blocks 14 and the two square clamping grooves are of matching sizes.

[0033] It should be noted that the present utility model is a multi-functional micro-root canal instrument. When in use, one end of the device is inserted into the patient's wound. Then, one end of the wire coil body 5 is used to sleeve the metal needle dropped into the wound. Then, the control button 7 is pressed. Due to the electrical connection between the control button 7 and the drive motor 8, the drive motor 8 will be driven to operate. The model of the drive motor 8 is not specifically described and is subject to the adaptation of the device. The drive motor 8 will drive the circular turntable 9 to rotate, thereby driving the reciprocating lead screw 10 to rotate accordingly, driving the moving circular plate 11 to move, so that the wire coil body 5 sleeving the metal needle contracts, making the metal needle sleeved between the connecting head 2 and the wire coil body 5. Then, the device can be taken out, making it simple and convenient for the device to fish for the metal needle dropped into the wound, and improving the practicability of the device;

[0034] After using it for a period of time, when the wire coil body 5 needs to be replaced, rotate the connecting head 2 to drive the threaded connection ring 3 to rotate, so that the threaded connection ring 3 and the connecting head 2 are separated from the main body 1. Then, start the drive motor 8 to move the position of the moving circular plate 11 to the bottommost end. At this time, the two square limiting blocks 14 will be located in the two square card slots. Then, press the two square limiting blocks 14 to move the square limiting blocks 14 from the square limiting slots of the wire coil seat 4 to the square sliding slots of the square inserts 12, thereby canceling the limitation of the square limiting blocks 14 on the wire coil seat 4. At this time, the wire coil seat 4 and the wire coil body 5 at the bottom can be removed for replacement. Then, insert the two square inserts 12 into the two square slots of the new wire coil seat 4. Under the elastic action of the return spring 13, the square limiting blocks 14 will be driven to move into the square limiting slots of the new wire coil seat 4 for fixation, thus completing the replacement, making the replacement of the device simple and fast, reducing the time for the staff to replace the wire coil body 5, and improving the work efficiency.

[0035] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A multifunctional micro-endodontic device, comprising a main device body (1), characterized in that: A wire coil seat (4) is arranged on the inner side of the main body (1), a wire coil body (5) is fixedly mounted on the bottom of the wire coil seat (4), an adjustment structure is arranged between the main body (1) and the wire coil seat (4), the adjustment structure comprises a support frame (6) and a circular rotating plate (9), the circular rotating plate (9) is rotatably mounted on the top of the main body (1), a reciprocating screw rod (10) is fixedly mounted on the bottom of the circular rotating plate (9), the outer side of the reciprocating screw rod (10) is connected to a movable circular plate (11) via a nut pair, the movable circular plate (11) is arranged on the inner side of the main body (1) and is in sliding contact with the main body (1).

2. The multifunctional micro-endodontic device according to claim 1, characterized in that: The support frame (6) is fixedly mounted on the outside of the main body (1), a control button (7) is fixedly mounted on the top of the support frame (6), a drive motor (8) is fixedly mounted on the inside of the support frame (6), and the control button (7) and the drive motor (8) are electrically connected.

3. The multifunctional micro-endodontic device according to claim 1, characterized in that: The steel wire coil seat (4) is provided with a circular notch, the reciprocating wire rod (10) passes through the circular notch of the steel wire coil seat (4), and the radius of the reciprocating wire rod (10) is smaller than the radius of the circular notch of the steel wire coil seat (4).

4. The multifunctional micro-endodontic device according to claim 1, characterized in that: The outer side of the main body (1) is provided with a plurality of anti-slip grooves, the bottom of the main body (1) is threadedly connected with a threaded connection ring (3), and the bottom of the threaded connection ring (3) is fixedly mounted with a connector (2).

5. The multifunctional micro-endodontic device according to claim 1, characterized in that: A fixed structure is provided between the steel wire coil seat (4) and the movable circular plate (11), the fixed structure comprising two square plug-ins (12), two return springs (13) are fixedly installed on the inner side of the square plug-ins (12), a square limit block (14) is fixedly installed on one end of the two return springs (13), a square slide groove is provided on one side of the square plug-in block (12), and the square limit block (14) is arranged inside the square slide groove and in sliding contact with the square plug-in block (12).

6. The multifunctional micro-endodontic device according to claim 5, characterized in that: Two square slots are provided on one side of the steel wire coil seat (4), and the two square insert blocks (12) match the sizes of the two square slots. A square limiting groove is formed on one side of the square slot of the steel wire coil seat (4), and the square limiting block (14) matches the size of the square limiting groove.

7. The multifunctional micro-endodontic device according to claim 5, characterized in that: Two long strip sliding grooves are provided on the inner side of the main body (1), and the widths of the two square limit blocks (14) and the two long strip sliding grooves match each other.

8. The multifunctional micro-endodontic device according to claim 5, characterized in that: Two square slots are provided on the outer side of the main body (1), and the two square limit blocks (14) match the two square slots in size.