Auxiliary positioning device for dental pulp root canal

By employing spring extension characteristics and roller bearings in the dental pulp root canal auxiliary positioning device, the problem of handle placement instability has been solved, achieving greater stability and convenience.

CN223696038UActive Publication Date: 2025-12-23AFFILIATED STOMATOLOGICAL HOSPITAL OF NANCHANG UNIV (JIANGXI PROVINCIAL STOMATOLOGICAL HOSPITAL)
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Patent Information

Application Number
CN202423204956.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-23
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing dental pulp canal positioning devices are not very stable when using magnetic suction to fix the handle, making them prone to falling and damage, and are also inconvenient to operate.

Method used

The handle is limited by the extension and retraction characteristics of a spring, combined with the structural design of roller bearings, limit caps, and notched pillars, which improves the stability and convenience of the handle placement.

Benefits of technology

It greatly improves the stability of the handle when placed, reduces operation time, makes it more convenient to use, and is suitable for widespread adoption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a dental pulp root canal auxiliary positioning device which comprises a handle, a mounting box, a triangular block, a supporting plate and a butt joint shaft, the lower end of the handle is sleeved with a roller bearing, the outer ring of the roller bearing is fixedly connected with an anti-skid sleeve, guide grooves are formed in the front side and the rear side of the right end of the mounting box respectively, and a rotating shaft is mounted at the lower end in the mounting box; the annular side face of the rotating shaft is fixedly sleeved with a plurality of second rolling wheels, a notch column is movably connected to the upper portion of the installation box in an inserted mode, a first rolling wheel is rotatably installed at the lower end of the notch column, a circular ring is fixedly connected to the side face of the notch column in a sleeved mode, and a spring is installed on the side of the upper portion of the circular ring and connected with the notch column in a sleeved mode. The handle placing device is reasonable in structure, good in practicability, convenient to use and suitable for popularization and application, the handle is limited by utilizing the telescopic characteristic of the spring, and the stability of the handle during placing is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a dental pulp root canal auxiliary positioning device and belongs to the technical field of dental pulp root canal treatment equipment. BACKGROUND

[0002] Oral medicine is a branch of dentistry, which focuses on the diagnosis and treatment of diseases and problems in oral cavity and maxillofacial region. The main work includes diagnosis of oral diseases, treatment of oral inflammation, handling of dental problems, treatment of oral infection, and handling of oral mucosa lesions. The existing medical dental pulp root canal auxiliary positioning device uses a tooth electronic measuring device for auxiliary positioning. The tooth electronic measuring device uses resistance measurement principle to determine the length and shape of the root canal, mainly composed of handle, probe, electrode, scale mark, needle handle and display. When positioning the dental pulp root canal, the probe is inserted into the root canal and pulp area through the handle. However, the doctor needs to put the auxiliary positioning device back to the original position when performing other operations, and then take it when using, which causes great inconvenience in operation.

[0003] Patent No. CN221636105U discloses a medical dental pulp root canal auxiliary positioning device. The handle is fixed by setting a folding frame, which can be stretched and rotated in any direction. This device is convenient for doctors to move the handle to the desired position. When the doctor performs other operations, the handle can be placed in the air by the support of the folding frame, reducing the time wasted in returning the handle to the original position. However, the handle is fixed by magnetic structure, which causes poor stability when placed, and is easy to fall and cause damage. Therefore, there is an urgent need for a dental pulp root canal auxiliary positioning device to solve the above problems. Utility model content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a dental pulp root canal auxiliary positioning device to solve the problems raised in the background art. The utility model has a reasonable structure and good practicability. The handle is limited by the spring extension characteristics, greatly improving the stability when the handle is placed, and is convenient to use, suitable for popularization and use.

[0005] In order to achieve the above object, the utility model is through the following technical scheme to realize: a dental pulp root canal auxiliary positioning device, including handle, installation box, triangular block, support plate and butt joint shaft, the lower end of handle is sleeved with roller bearing, the outer ring of roller bearing is fixedly connected with antiskid sleeve, the right end of installation box is equipped with guide groove on both sides, the lower end of installation box is installed with pivot, a plurality of second gyro wheel are fixedly sleeved with the annular side surface of pivot, the upper side of ring is installed with spring, the spring is connected with the upper side of installation box, the upper end of notched column is fixedly connected with limit cover, the lower end of triangular block is equipped with guide strip on both sides, the upper side of support plate is installed with auxiliary positioning device main part, the left end of butt joint shaft is equipped with screw thread.

[0006] Further, the right end of the triangular block is provided with a threaded hole in the middle, and the middle of the inclined surface of the triangular block is provided with a positioning hole.

[0007] Further, the installation box is fixed on the side surface of the antiskid sleeve, the handle is electrically connected with the display screen of the auxiliary positioning device main part through the wire, and the probe is installed on the upper end of the handle.

[0008] Further, the right end of the butt joint shaft is rotatably connected with the adjusting shaft, the right end of the adjusting shaft is fixedly connected with the first rotary connecting piece, the first connecting rod is installed on the movable end of the first rotary connecting piece, the second rotary connecting piece is installed on the upper side of the support plate, and the third connecting rod is installed on the movable end of the second rotary connecting piece.

[0009] Further, the third connecting rod and the first connecting rod are connected with the second connecting rod through the damping pivot.

[0010] Further, the antiskid sleeve is made of rubber.

[0011] The utility model has the advantages that the utility model adds roller bearing, spring, limit cover, notched column, first gyro wheel, second gyro wheel, adjusting shaft and butt joint shaft, and through our design improvement and actual use show that the device has reasonable structure and good practicality, the handle is limited by the characteristics of spring extension and contraction, the stability of the handle during placement is greatly improved, the device is convenient to use and suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0013] Figure 1The utility model relates to a whole structure stereogram of auxiliary positioning device for dental pulp root canal,

[0014] Figure 2 The utility model relates to a whole structure stereogram of anti -skid cover structure of auxiliary positioning device for dental pulp root canal,

[0015] Figure 3 The utility model relates to a whole structure stereogram of mounting box structure of auxiliary positioning device for dental pulp root canal,

[0016] Figure 4 The utility model relates to a whole structure stereogram of triangular block structure of auxiliary positioning device for dental pulp root canal,

[0017] Figure 5 The utility model relates to a whole structure stereogram of third connecting rod structure of auxiliary positioning device for dental pulp root canal.

[0018] In the drawing: 1-handle, 2-anti -skid cover, 3-mounting box, 4-probe, 5-auxiliary positioning device main part, 6-conductor, 7-supporting plate, 8-roller bearing, 9-notch column, 10-limit cap, 11-spring, 12-round ring, 13-first idler wheel, 14-guide slot, 15-second idler wheel, 16-pivot, 17-triangular block, 18-guide strip, 19-threaded hole, 20-positioning hole, 21-adjusting shaft, 22-first rotary joint, 23-second rotary joint, 24-first connecting rod, 25-second connecting rod, 26-third connecting rod, 27-butting shaft. Specific implementation

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation.

[0020] Please refer to Figures 1-5The utility model provides a technical scheme: a dental pulp root canal auxiliary positioning device, including handle 1, installation box 3, triangular block 17, support plate 7 and butt joint shaft 27, handle 1 lower end bushing has the roller bearing 8, and the outer ring fixed connection of roller bearing 8 has antiskid sleeve 2, and installation box 3 right end front and rear sides are equipped with guide slot 14 respectively, and the inside lower end of installation box 3 is installed with the pivot 16, and the annular side of pivot 16 is fixed sleeve and has a plurality of second gyro wheel 15, and the upper movable insertion of installation box 3 has the notched column 9, and the lower end rotation of notched column 9 is installed with first gyro wheel 13, and the side of notched column 9 is fixed sleeve and has the circular ring 12, and the upper side of circular ring 12 is installed with spring 11, and spring 11 is sleeve and has notched column 9, and spring 11 is connected with the upper inside of installation box 3, and the upper end of notched column 9 is fixedly connected with the limit cover 10, and the lower end of triangular block 17 front and rear sides is equipped with guide strip 18, and the upper installation of support plate 7 has auxiliary positioning device main part 5, and the left end of butt joint shaft 27 is equipped with screw thread, and this design has solved the stability of the original device use magnetic attraction structure to fix handle, and the stability of handle placement is poor, and it is easy to fall and cause damage.

[0021] As the first embodiment of the utility model: triangular block 17 right end middle part is equipped with screw hole 19, and the inclined surface middle part of triangular block 17 is equipped with positioning hole 20, by setting screw hole 19, it is convenient to install butt joint shaft 27, by setting positioning hole 20, it is convenient to cooperate notched column 9 and limit triangular block 17. Installation box 3 is fixed in the side of antiskid sleeve 2, handle 1 is electrically connected with the display screen of auxiliary positioning device main part 5 through wire 6, and the upper end of handle 1 is installed with probe 4, by setting probe 4, it is convenient to detect patient's teeth. Butt joint shaft 27 right end rotationally connects with adjusting shaft 21, and the right end of adjusting shaft 21 is fixedly connected with first rotary joint 22, and the movable end of first rotary joint 22 is installed with first connecting rod 24, and the upper installation of support plate 7 has second rotary joint 23, and the movable end of second rotary joint 23 is installed with third connecting rod 26, and the second connecting rod 25 is connected between first connecting rod 24 and third connecting rod 26 through the damping pivot of the rotary cooperation of first connecting rod 24, second connecting rod 25 and third connecting rod 26, makes it form the frame that can adjust angle, and then the doctor is convenient to operate. Antiskid sleeve 2 is of rubber material.

[0022] As the second embodiment of the utility model: in use, through bolt fixed support plate 7 on the outside operation platform, to the auxiliary positioning device main body 5 and the first connecting rod 24, the second connecting rod 25 and the third connecting rod 26 form the frame body and position, then can the docking axle 27 left end is inserted into the threaded hole 19, and rotate the docking axle 27, so that the docking axle 27 is screwed in the threaded hole 19, then the triangular block 17 is inserted into the installation box 3, so that two guide strips 18 are inserted into two guide grooves 14, then make multiple second rollers 15 adhere to the plane below triangular block 17, multiple second rollers 15 roll, auxiliary triangular block 17 is inserted, at this time, when the first roller 13 contacts the inclined surface of triangular block 17, it will change with the slope of the inclined surface of triangular block 17, drive the notch column 9 to move upwards, and then make the ring 12 compress spring 11, when the first roller 13 moves to the positioning hole 20, spring 11 resets, drive the notch column 9 to insert into the positioning hole 20, triangular block 17 can be positioned, the connection of installation box 3 can be completed, and then connected with handle 1, when handle 1 needs to be removed, pull the limiting cover 10, so that the notch column 9 is separated from the positioning hole 20, and the triangular block 17 is pulled out.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A dental pulp root canal auxiliary positioning device, comprising a handle (1), a mounting box (3), a triangular block (17), a supporting plate (7) and a butt joint shaft (27), characterized in that: The handle (1) lower end sleeve joint has a roller bearing (8), the roller bearing (8) outer ring fixedly connected with anti-skid sleeve (2), the installation box (3) right end front and back two sides are respectively provided with guide slot (14), the installation box (3) inside lower end is installed with the shaft (16), the shaft (16) annular side surface fixed sleeve joint has a plurality of second roller (15), the installation box (3) top movably inserted with the notch column (9); The first roller (13) is rotatably installed at the lower end of the notch column (9), the circular ring (12) is fixedly sleeved on the side surface of the notch column (9), the spring (11) is installed on the upper side of the circular ring (12), the spring (11) is sleeved with the notch column (9), the spring (11) is connected with the upper part of the installation box (3), the limit cover (10) is fixedly connected to the upper end of the notch column (9), the guide strip (18) is arranged at the lower end of the triangular block (17), the auxiliary positioning device main body (5) is installed on the upper side of the support plate (7), and the threaded left end of the butt joint shaft (27) is provided.

2. The device of claim 1, wherein: The threaded hole (19) is arranged at the right end of the triangular block (17), and the positioning hole (20) is arranged at the inclined surface of the triangular block (17).

3. The device of claim 1, wherein: The installation box (3) is fixed on the side surface of the anti-skid sleeve (2), the handle (1) is electrically connected with the display screen of the auxiliary positioning device main body (5) through the lead wire (6), and the probe (4) is installed on the upper end of the handle (1).

4. The device of claim 1, wherein: The adjusting shaft (21) is rotatably connected to the right end of the butt joint shaft (27), the first rotating connecting piece (22) is fixedly connected to the right end of the adjusting shaft (21), the first connecting rod (24) is movably installed on the first rotating connecting piece (22), the second rotating connecting piece (23) is installed on the upper side of the support plate (7), and the third connecting rod (26) is movably installed on the second rotating connecting piece (23).

5. The device of claim 4, wherein: The second connecting rod (25) is connected between the third connecting rod (26) and the first connecting rod (24) through the damping rotating shaft.

6. The dental pulp root canal auxiliary positioning device according to claim 1, wherein: The anti-skid sleeve (2) is made of rubber.

Citation Information

Patent Citations

  • Medical dental pulp root canal auxiliary positioning device

    CN221636105U