Root canal file holder

By designing a root canal file holder that includes a handle end, a fixed sleeve, a movable rod, a fixed clamp, a movable clamp, a limiting spring, and a turning ring, the problem of root canal file wobbling was solved, and the root canal file was stably held, thus improving the stability of oral treatment.

CN223554982UActive Publication Date: 2025-11-18CHENGDU FOURTH PEOPLES HOSPITAL
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Patent Information

Application Number
CN202422982642.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-18
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

In existing technologies, root canal files are prone to wobbling, leading to instability and affecting the effectiveness of oral treatment.

Method used

A root canal file holder was designed, comprising a handle end, a fixed sleeve, a movable rod, a fixed clamp, a movable clamp, a limiting spring, a turning ring, and a fixing element. The root canal file is stably clamped and released through the cooperation of the turning ring and the limiting spring.

Benefits of technology

This achieves stable clamping of the root canal file, preventing wobbling and improving the stability and effectiveness of oral treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, in particular to a root canal file holder. Comprising a handle end and a fixing assembly, the fixing assembly comprises a fixing sleeve, a movable rod, a fixed clamping sleeve, a movable clamping sleeve, a limiting spring, a shifting ring and a fixing piece, the fixing sleeve is fixedly connected with the handle end, the movable rod is slidably connected with the fixing sleeve and the handle end and penetrates through the fixing sleeve and a cavity, and the fixed clamping sleeve is fixedly connected with the fixing sleeve. The movable clamping sleeve is fixedly connected with the movable rod and located on the outer side wall of the movable rod, the shifting ring is movably connected with the handle end and located in the through groove, the shifting ring is further fixedly connected with the movable rod, the limiting spring is fixedly arranged in the cavity and fixedly connected with the shifting ring, and the fixing piece is arranged on the outer side wall of the handle end and movably connected with the shifting ring. Through the arrangement of the structure, the root canal file can be stably fixed, shaking is prevented, and treatment of the oral cavity of a patient is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a root canal file holder. BACKGROUND

[0002] The treatment of oral diseases often needs to use medical instruments. Root canal file is the most basic instrument used in the treatment of dental pulp disease and periapical disease in oral diseases. Dentists often use fingers to hold root canal file in the operation in patients' oral cavities.

[0003] In the prior art patent CN217938406U discloses a hand root canal file holder, by setting up the clamping end, the clamping end adopts the retention design: the clamping end is rubber four petal tooth shape retention, four petal tooth shape retention can provide enough friction to fix root canal file, resist the resistance when cleaning root canal, avoid root canal file loosening. The principle and inspiration of petal tooth shape come from the aortic valve, that is, the valve has a direction, the object is easy to enter in one direction and difficult to take out in reverse. When applied to hold root canal file, the advantages of this design are: root canal file is easy to install, can be inserted into the petal heart without resistance; when cleaning the root canal, the root canal file is not easy to slip; when disassembling, the root canal file can be easily pushed out downward.

[0004] In the above prior art patent, although the root canal file can be fixed and not easy to slip, the clamping end is made of rubber material, and the root canal file is easy to shake along the center in the clamping end, resulting in unstable root canal file, which is not conducive to the treatment of patients' oral cavities. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a root canal file holder, which aims to solve the technical problems that the root canal file is easy to shake in the prior art, resulting in unstable root canal file, which is not conducive to the treatment of patients' oral cavities.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a root canal file holder, which comprises a handle end and a fixing assembly, the fixing assembly comprises a fixing sleeve, a movable rod, a fixed clamp sleeve, a movable clamp sleeve, a limiting spring, a dialing ring and a fixing part, the handle end has a cavity and a through groove, the fixing sleeve is fixedly connected with the handle end, the movable rod is slidably connected with the fixing sleeve and the handle end respectively and penetrates through the fixing sleeve and the cavity, the fixed clamp sleeve is fixedly connected with the fixing sleeve and located on the outer side wall of the fixing sleeve, the movable clamp sleeve is fixedly connected with the movable rod and located on the outer side wall of the movable rod, the dialing ring is movably connected with the handle end and located in the through groove, the dialing ring is also fixedly connected with the movable rod, the limiting spring is fixedly arranged in the cavity and fixedly connected with the dialing ring, and the fixing part is arranged on the outer side wall of the handle end and movably connected with the dialing ring.

[0007] The fixed part further comprises a fixed block, an insertion column, a resisting spring and a limiting arc block, the fixed block is fixedly connected with the handle end and located at the outer side wall of the handle end, the insertion column is fixedly connected with the fixed block and movably connected with the knob, the insertion column has a groove, the resisting spring is fixedly arranged in the groove, and the limiting arc block is fixedly connected with the resisting spring and matched with the groove.

[0008] The fixed assembly further comprises two guide arc blocks, and the guide arc blocks are arranged above the fixed clamping sleeve and the movable clamping sleeve.

[0009] The fixed assembly further comprises two rubber sleeves, and the rubber sleeves are arranged below the fixed clamping sleeve and the movable clamping sleeve.

[0010] The root canal file holder further comprises an anti-lost rope, and the anti-lost rope is fixedly connected with the handle end and located at the end of the handle end away from the fixed sleeve.

[0011] The root canal file holder of the utility model, when fixing the root canal file, first, the root canal file is located between the fixed clamping sleeve and the movable clamping sleeve, then the knob is pulled backward at the handle end, the knob slides in the through groove, drives the movable rod into the cavity, the limiting spring is compressed in the cavity, the movable clamping sleeve is close to the fixed clamping sleeve, until the knob is moved to the position, the fixed part is used for limiting, so that the root canal file is fixed, then the oral doctor holds the handle end to control the root canal file to treat the patient's oral cavity, when the root canal file is fixed, the fixed part is separated from the knob, the limiting spring in the cavity is restored to stretch, drives the movable rod to slide outward in the cavity, then the movable clamping sleeve is away from the fixed clamping sleeve, then the root canal file is taken out, through the above-mentioned mode, the root canal file can be fixed stably, and shaking is prevented, which is beneficial to the treatment of the patient's oral cavity. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0013] Figure 1 It is the structure schematic diagram of the root canal file holder of the utility model.

[0014] Figure 2It is the structure side view of the root canal file holder of the utility model.

[0015] Figure 3 It is the structure side view of the root canal file holder of the utility model. Figure 2 It is the A-A line structure section view of the utility model.

[0016] Figure 4 It is the structure side view of the root canal file holder of the utility model. Figure 3 It is the B place local structure enlarged view of the utility model.

[0017] 101-handle end, 102-fixed sleeve, 103-movable rod, 104-fixed clamp sleeve, 105-movable clamp sleeve, 106-limiting spring, 107-dial circle, 108-cavity, 109-through groove, 110-fixed block, 111-insertion column, 112-pressing spring, 113-limiting arc block, 114-guiding arc block, 115-rubber sleeve, 116-anti-lost rope, 117-groove. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0019] Please refer to Figures 1-4 The utility model provides a kind of root canal file holder, including handle end 101 and fixed component, the fixed component includes fixed sleeve 102, movable rod 103, fixed clamp sleeve 104, movable clamp sleeve 105, limiting spring 106, dial circle 107 and fixed part, the handle end 101 has cavity 108 and through groove 109, the fixed sleeve 102 is fixedly connected with the handle end 101, the movable rod 103 is slidably connected with the fixed sleeve 102 and the handle end 101 respectively, and it is through the fixed sleeve 102 and the cavity 108, the fixed clamp sleeve 104 is fixedly connected with the fixed sleeve 102, and is located the outer side wall of the fixed sleeve 102, the movable clamp sleeve 105 is fixedly connected with the movable rod 103, and is located the outer side wall of the movable rod 103, the dial circle 107 is movably connected with the handle end 101, and is located in the through groove 109, the dial circle 107 is also fixedly connected with the movable rod 103, the limiting spring 106 is fixedly arranged in the cavity 108, and is fixedly connected with the dial circle 107, the fixed part is arranged on the outer side wall of the handle end 101, and is movably connected with the dial circle 107.

[0020] In the embodiment, when the root canal file is fixed, the root canal file is first located between the fixed sleeve 104 and the movable sleeve 105, then the handle end 101 is pulled backward to slide the knob 107 in the through groove 109, and the movable rod 103 is driven into the cavity 108, the limiting spring 106 in the cavity 108 is compressed by the knob 107, and the movable sleeve 105 approaches the fixed sleeve 104 until the knob 107 is moved to the position, and the root canal file is fixed by the fixing part. Then, the dentist holds the handle end 101 to control the root canal file for treating the patient's oral cavity. When the root canal file is released, the fixing part is separated from the knob 107, the limiting spring 106 in the cavity 108 is restored to stretch, and the movable rod 103 is driven to slide outward in the cavity 108, and then the movable sleeve 105 is away from the fixed sleeve 104, and the root canal file is taken out. Through the above method, the root canal file can be fixed stably to prevent shaking, which is beneficial to the treatment of the patient's oral cavity.

[0021] Further, the fixing part further comprises a fixed block 110, a plug-in column 111, a resisting spring 112 and a limiting arc block 113. The fixed block 110 is fixedly connected with the handle end 101 and located on the outer side wall of the handle end 101. The plug-in column 111 is fixedly connected with the fixed block 110 and movably connected with the knob 107. The plug-in column 111 has a groove 117. The resisting spring 112 is fixedly arranged in the groove 117. The limiting arc block 113 is fixedly connected with the resisting spring 112 and matched with the groove 117.

[0022] In the embodiment, after the root canal file is located between the fixed sleeve 104 and the movable sleeve 105, the plug-in column 111 penetrates the knob 107, the limiting arc block 113 is forced to enter the groove 117 of the plug-in column 111, the resisting spring 112 is compressed by the limiting arc block 113 in the groove 117, and the resisting spring 112 is restored to stretch in the groove 117 when the knob 107 is completely moved to the tail of the through groove 109, and the limiting arc block 113 is driven to move out of the groove 117, and the plug-in column 111 is fixed in the knob 107 by the limiting arc block 113, so that the root canal file is stably fixed by the fixed sleeve 104 and the movable sleeve 105. When the root canal file is released, the limiting arc block 113 is pushed into the groove 117, and then the plug-in column 111 is separated from the knob 107, and the root canal file is released.

[0023] Further, the fixed assembly further comprises two guiding arc blocks 114, and the guiding arc blocks 114 are arranged above the fixed clamping sleeve 104 and the movable clamping sleeve 105.

[0024] In the embodiment, the guiding arc blocks 114 are arranged above the fixed clamping sleeve 104 and the movable clamping sleeve 105 respectively, and the root canal files are conveniently located between the fixed clamping sleeve 104 and the clamping sleeve through the guiding arc blocks 114.

[0025] Further, the fixed assembly further comprises two rubber sleeves 115, and the rubber sleeves 115 are arranged below the fixed clamping sleeve 104 and the movable clamping sleeve 105.

[0026] In the embodiment, the rubber sleeves 115 are arranged below the fixed clamping sleeve 104 and the movable clamping sleeve 105 respectively, the rubber sleeves 115 can increase the clamping range of the root canal files, and the rubber sleeves 115 are made of rubber material, so that the root canal files are not easy to slide, and the fixing effect of the root canal files is increased.

[0027] Further, the root canal file holder further comprises an anti-lost rope 116, and the anti-lost rope 116 is fixedly connected with the handle end 101 and located at an end of the handle end 101 away from the fixed sleeve 102.

[0028] In the embodiment, the anti-lost rope 116 is arranged at the tail of the handle end 101, and the root canal file holder can be prevented from falling to the ground and being damaged by the anti-lost rope 116.

[0029] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above embodiment can be implemented, and equivalent changes made according to the utility model claims still belong to the range covered by the utility model.

Claims

1. A root file holder, comprising a handle end, characterized in that, a fixing assembly is further included, the fixing assembly comprises a fixing sleeve, a movable rod, a fixing sleeve, a movable sleeve, a limiting spring, a dial ring and a fixing part, the handle end has a cavity and a through groove, the fixing sleeve is fixedly connected with the handle end, the movable rod is slidably connected with the fixing sleeve and the handle end respectively and penetrates through the fixing sleeve and the cavity, the fixing sleeve is fixedly connected with the fixing sleeve and located on the outer side wall of the fixing sleeve, the movable sleeve is fixedly connected with the movable rod and located on the outer side wall of the movable rod, the dial ring is movably connected with the handle end and located in the through groove, the dial ring is further fixedly connected with the movable rod, the limiting spring is fixedly arranged in the cavity and fixedly connected with the dial ring, and the fixing part is arranged on the outer side wall of the handle end and movably connected with the dial ring.

2. The root file holder according to claim 1, characterized in that, the fixing part further comprises a fixing block, a plug-in column, a resisting spring and a limiting arc block, the fixing block is fixedly connected with the handle end and located on the outer side wall of the handle end, the plug-in column is fixedly connected with the fixing block and movably matched with the dial ring, the plug-in column has a groove, the resisting spring is fixedly arranged in the groove, and the limiting arc block is fixedly connected with the resisting spring and matched with the groove.

3. The root file holder according to claim 2, characterized in that, the fixing assembly further comprises two guide arc blocks, the fixing sleeve and the movable sleeve are both provided with the guide arc blocks above.

4. The root file holder according to claim 3, characterized in that, the fixing assembly further comprises two rubber sleeves, the fixing sleeve and the movable sleeve are both provided with the rubber sleeves below.

5. The root file holder according to claim 1, characterized in that, the root file holder further comprises an anti-lost rope, the anti-lost rope is fixedly connected with the handle end and located at the end of the handle end away from the fixing sleeve.