WO2022087771A1 - Polygonal pyramid root canal file - Google Patents

Polygonal pyramid root canal file Download PDF

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Publication number
WO2022087771A1
WO2022087771A1 PCT/CN2020/123594 CN2020123594W WO2022087771A1 WO 2022087771 A1 WO2022087771 A1 WO 2022087771A1 CN 2020123594 W CN2020123594 W CN 2020123594W WO 2022087771 A1 WO2022087771 A1 WO 2022087771A1
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WO
WIPO (PCT)
Prior art keywords
file
root canal
edge
polygonal pyramid
pyramid
Prior art date
Application number
PCT/CN2020/123594
Other languages
French (fr)
Chinese (zh)
Inventor
范志勇
蒋俊强
权晶晶
Original Assignee
深圳市雅维医疗器械有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市雅维医疗器械有限公司 filed Critical 深圳市雅维医疗器械有限公司
Priority to PCT/CN2020/123594 priority Critical patent/WO2022087771A1/en
Publication of WO2022087771A1 publication Critical patent/WO2022087771A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
    • A61C5/42—Files for root canals; Handgrips or guiding means therefor

Definitions

  • the utility model relates to the field of root canal treatment instruments, in particular to a polygonal pyramid root canal file.
  • root canal therapy is the most commonly used and effective treatment method for endodontic and periapical diseases, mainly by mechanical and chemical methods to remove most of the infection in the root canal, and through Fill the root canal, seal the crown, prevent the occurrence of periapical lesions, and promote the healing of periapical lesions that have occurred.
  • mechanical method of the root canal treatment process it involves the use of a root canal file by means of which the tooth is pulped for further preparation.
  • the file head of the root canal file in the related art is usually a conical file head, and the conical file head has poor ability to excrete impurities during use, and the impurities easily damage the file head of the root canal file, making the root canal file poor in fatigue resistance. , and it is easy to cause greater trauma to the teeth, thereby reducing the reliability of root canal treatment.
  • the present application provides a polygonal pyramid root canal file, which can solve the technical problems that the root canal file in the prior art has poor ability to excrete impurities and poor fatigue resistance during use.
  • the utility model provides a polygonal pyramid root canal file.
  • the polygonal pyramid root canal file is applied to the root canal treatment of teeth.
  • the polygonal pyramid root canal file comprises: a file handle and a polygonal pyramid file blade portion fixed integrally with the file handle.
  • the polygonal pyramid filing edge portion includes a polygonal pyramid filing edge structure and a file tip portion fixedly connected with an end of the polygonal pyramid filing edge structure away from the file handle, and the polygonal pyramid filing edge structure includes a direction from the file handle to the a plurality of filing edge portions spirally extending in the direction of the file tip portion and a plurality of helical edge grooves respectively arranged adjacent to each of the filing edge portions; spaced along the helical extension direction of each of the filing edge portions
  • the plurality of straight edge portions, the plurality of file edge portions having the straight edge portions, the plurality of spiral edge grooves and the file tip portion form a spiral file edge structure having a polygonal pyramid structure.
  • the polygonal pyramid filing edge structure includes: three filing edge portions and three helical edge grooves, wherein the filing edge portions and the helical edge grooves are arranged at intervals.
  • a plurality of the straight edge parts on the three file edge parts together form a polygonal pyramid file edge part with four file edge sides, and two adjacent straight edge parts on the file edge part The parts are respectively located on the two adjacent side surfaces of the rasps.
  • the top surface of the file tip portion is in a triangular structure
  • the polygonal pyramid file edge portion is a spiral file edge structure with a quadrangular pyramid structure.
  • the polygonal pyramid filing edge structure includes: four filing edge portions and four helical edge grooves, and the filing edge portions and the helical edge grooves are arranged at intervals.
  • a plurality of the straight edge parts on the four file edge parts together form a polygonal pyramid file edge part with four file edge sides, and two adjacent straight edge parts on the file edge part The parts are respectively located on the two adjacent side surfaces of the rasps.
  • the top surface of the file tip portion has a quadrangular structure
  • the polygonal pyramid filing edge portion is a quadrangular spiral polygonal pyramid filing edge structure.
  • the length of the polygonal-pyramid root canal file ranges from 13 to 150 mm, and the width of the edge of the polygonal-pyramid file ranges from 0.15 to 1.5 mm.
  • the material of the polygonal root canal file is cemented carbide.
  • the multi-pyramid root canal file provided by the utility model is applied to the root canal treatment of teeth.
  • the polygonal-pyramid root canal file comprises: a file handle and a polygonal-pyramid file blade part fixed integrally with the file handle; a polygonal-pyramid file blade
  • the portion includes a polygonal pyramid file structure and a file tip portion fixedly connected with one end of the polygonal pyramid file structure away from the file handle.
  • the polygonal pyramid file structure includes a plurality of file edge portions spirally extending from the file handle to the file tip portion, and a plurality of file edges respectively connected to the file handle.
  • the groove and the tip of the file form a spiral file structure with a polygonal pyramid structure.
  • the file portion of the polygonal pyramid root canal file is provided with a plurality of straight edge portions at intervals, and the straight edge portions cooperate with the helical edge groove to form a polygonal-shaped helical file structure.
  • the pyramid-shaped spiral file structure can expand the gap between the root canal file and the pulp opening hole of the tooth, improve the root canal file's ability to excrete impurities, thereby improve the fatigue resistance of the root canal file, and reduce impurities and polygonal pyramid root canals.
  • the damage to the teeth caused by the file shaking is reliable.
  • Fig. 1 is the perspective view of the polygonal pyramid root canal file provided by the first embodiment of the present utility model with three file portions;
  • Fig. 2 is the enlarged schematic diagram of part a of the polygonal pyramid root canal file of the first embodiment of Fig. 1;
  • FIG. 3 is a schematic cross-sectional structure diagram of the polygonal pyramid root canal file along the line A-A of the first embodiment of FIG. 1;
  • Fig. 4 is the sectional structure schematic diagram of the polygonal pyramid root canal file of the first embodiment of Fig. 1 along A'-A' line;
  • FIG. 5 is a perspective view of a polygonal pyramid root canal file with four file cutting edges provided by the second embodiment of the present utility model
  • FIG. 6 is an enlarged schematic view of the structure of part b of the polygonal pyramid root canal file of the second embodiment of FIG. 5;
  • FIG. 7 is a cross-sectional structural schematic diagram of the polygonal pyramid root canal file of the second embodiment of FIG. 5 along the B-B line;
  • Fig. 8 is a schematic cross-sectional structural diagram of the polygonal pyramid root canal file of the second embodiment of Fig. 5 along the line B'-B'.
  • the utility model provides a polygonal pyramid root canal file.
  • the polygonal pyramid root canal file includes: a file handle 10 and a polygonal pyramid file edge portion 20 integrally fixed with the file handle 10.
  • the polygonal pyramid file edge portion 20 includes a polygonal pyramid file edge structure 21 and a multi-pyramid file edge structure 21.
  • the file tip portion 22 of the pyramid file structure 21 is fixedly connected at one end away from the file handle 10 .
  • the polygonal pyramid file structure 21 includes a plurality of file edge portions 211 extending spirally from the file handle 10 to the file tip portion 22 .
  • the polygonal pyramid root canal file is used for root canal treatment of teeth, and is a grinding tool used for root canal treatment of teeth.
  • a cone file is required The pulp is opened to the tooth, and then root canal treatment is performed through the opened pulp cavity.
  • the root canal file is manufactured as a multi-cone root canal file in this implementation.
  • the polygonal-pyramid root canal file includes: a file handle 10 and a polygonal-pyramid file blade portion 20 integrally fixed with the file handle 10, wherein the file handle 10 is an installation part, and the file handle 10 is detachably connected to the corresponding equipment in the field of dentistry.
  • the polygonal pyramid root canal file is installed and fixed on the components of the relevant root canal treatment equipment, such as dental handpieces or root canal therapy instruments and other instruments, the utility model will not be further described;
  • the polygonal pyramid file blade portion 20 includes: 10.
  • the polygonal pyramid file structure 21 combined with the file tip portion 22 is used for grinding the target position of the teeth , to achieve pulp opening for further root canal treatment;
  • the polygonal pyramid file structure 21 includes: one or more file parts 211 and a spiral edge groove 212, the file edge part 211 and the spiral edge groove 212 are arranged adjacent to each other, it should be noted that However, when the polygonal pyramid file structure 21 includes a plurality of file portions 211 and a plurality of helical edge grooves 212, the number of the file portions 211 is equal to the number of the spiral edge grooves 212, and the plurality of file portions 211 and a plurality of helical edge grooves 212.
  • the edge grooves 212 are arranged at intervals on the side surface of the polygonal pyramid file portion 20.
  • the side surface of the polygonal pyramid file edge portion 20 is The structure is arranged as follows: file part 211, spiral edge groove 212, file edge part 211, spiral edge groove 212, file edge part 211, spiral edge groove 212, other numbers of file edge parts 211, spiral edge groove 212 are also in accordance with this
  • a plurality of straight edge portions 211 ′ are arranged at intervals along the helical extension direction of each file portion 211. Compared with the conical root canal file, the file portion 211 is provided with straight edges.
  • the side surface of the root canal file of the portion 211' is in a concave or straight structure as a whole, and the multiple file portions 211, the multiple spiral edge grooves 212 and the file tip portion 22 with the straight edge portion 211' form a spiral with a polygonal pyramid structure.
  • the polygonal pyramid root canal file can be Mitsubishi taper root canal file, quadrangular pyramid root canal file File, pentagonal root canal file, etc., which are not further limited in this embodiment, it should be noted that, in practical clinical application, when the polygonal pyramid root canal file is rotated, the pulp diameter and conical diameter achieved by grinding are The pulp diameter of the body root canal file is the same. Compared with the conical root canal file of the same size, the polygonal root canal file has a gap between it and the pulp diameter cavity, and has a nearly square structure or a polygonal root canal. The file can carry impurities in the spiral file structure.
  • the polygonal pyramidal root canal file can be square or polygonal
  • the minimum width of the aperture during pulp opening can be the width between the two edges on the opposite side of the root canal file, and due to the gap between the polygonal root canal file and the aperture of pulp opening, the opening can be The impurities generated when the pulp is perforated are excreted, reducing the trauma caused by the impurities and the shaking of the polygonal root canal file to the teeth, and improving the reliability of the root canal treatment process.
  • the polygonal pyramid file structure 21 includes: three file parts 211 and three spiral edge grooves 212 , and the file edge parts 211 and the spiral edge grooves 212 are arranged at intervals.
  • the polygonal pyramid filing edge structure 21 includes: three filing edge portions 211 and three helical edge grooves 212, and the three filing edge portions 211 and the three helical edge grooves 212 are arranged at intervals on the polygonal pyramid filing edge portion
  • the side surface of 20, specifically, the side structure of the polygonal pyramid file structure 21 is arranged as follows: file portion 211, spiral edge groove 212, file edge portion 211, spiral edge groove 212, file edge portion 211, spiral edge groove 212.
  • the number of the file parts 211 and the spiral edge grooves 212 included in the polygonal pyramid file structure 21 determines the machining accuracy of the root canal file
  • the type of the polygonal pyramid file structure 21 usually includes three file parts 211 and four file portions 211
  • the number of the helical edge grooves 212 is consistent with the number of the file portions 211 .
  • a corresponding type of root canal file may be selected according to actual requirements, such as anterior teeth, posterior teeth, and target positions on teeth, etc., which will not be further described in this embodiment.
  • the plurality of straight edge portions 211 ′ on the three file edge portions 211 together form a polygonal pyramid file portion 20 with four file edge sides, and the two adjacent straight edge portions 211 ′ on the file edge portions 211 are respectively On the flanks of two adjacent files. It should be noted that, since the straight edge portions 211 ′ are spaced along the extending direction of each file portion 211 , the straight edge portions 211 ′ are formed around the file portion 211 on the root canal file. The straight edge portion 211 ′ occupies the position of the file edge portion 211 corresponding to 90 degrees of the root canal file, that is, the straight edge structure is arranged along the extending direction of the arc file edge portion 211 of the conical root canal file.
  • each straight edge portion 211 ′ is also presented along the extension direction of the file edge portion 211 , and the structure of each straight edge portion 211 ′ occupies the position structure of the file edge portion 211 corresponding to 90 degrees of the root canal file.
  • the polygonal pyramid file portion 20 includes four file side surfaces, each file side surface is composed of a plurality of straight edge portions 211 ′ and a plurality of spiral edge grooves 212 located on the same side, that is, along the extension direction of each file portion 211 Any four consecutive straight edge portions 211 ′ arranged at intervals are respectively on different file edge sides, so as to form a quadrangular pyramid spiral file edge structure.
  • the top surface of the file tip portion 22 is in a triangular structure
  • the polygonal pyramid file portion 20 is a quadrangular pyramid spiral file structure.
  • the number of the file edge portions 211 included in the polygonal pyramid file edge structure 21 is related to the shape of the file core structure of the file edge structure.
  • Three file portions 211 are provided from the file handle 10 to the helical extension direction of the file core portion 213, and each file portion 211 extends around it; it should be noted that the shape of the polygonal pyramid file portion 20 has nothing to do with the structural shape of the file core , in the production process, a straight edge portion 211 ′ can be opened on the file edge portion 211 according to actual needs.
  • the file edge structure surrounding the root canal file is formed every 90 degrees.
  • the straight edge portion 211 ′ is opened, and the straight edge portion 211 ′ on every 90 degrees of the file structure of the root canal file is located on the same side view from the file handle 10 to the file tip portion 22 , so that the polygonal pyramid file portion 20 is a quadrangular pyramid spiral file structure.
  • the tip portion of the file in this embodiment may also be a quadrilateral, a polygon, etc., which will not be further described in this embodiment.
  • the polygonal pyramid file structure 21 includes: four file portions 211 and four spiral edge grooves 212, the file portion 211 and the spiral edge grooves 212 are arranged at intervals .
  • the polygonal pyramid filing edge structure 21 includes: four filing edge portions 211 and four helical edge grooves 212 , and the four filing edge portions 211 and the four helical edge grooves 212 are arranged at intervals on the polygonal pyramid filing edge portion
  • the side of 20, specifically, the side structure of the polygonal pyramid filing portion 20 is arranged as follows: filing portion 211, spiral edge groove 212, filing edge portion 211, spiral edge groove 212, filing edge portion 211, spiral edge groove 212, File portion 211 , spiral groove 212 .
  • the number of file parts 211 included in the pyramid file structure is related to the shape of the file core structure of the file edge structure.
  • the shape structure of the file core of the file edge structure is a quadrangular pyramid structure or a nearly quadrangular pyramid structure
  • the polygonal pyramid file edge structure 21 is There are four file portions 211 , each file portion 211 extending spirally around the file structure from the file shank 10 to the file tip portion 22 .
  • the plurality of straight edge portions 211 ′ on the four file edge portions 211 together form a polygonal pyramid file portion 20 with four file edge sides, and the two adjacent straight edge portions 211 ′ on the file edge portions 211 are respectively On the flanks of two adjacent files.
  • the straight edge portions 211 ′ are spaced along the extending direction of each file portion 211 , the straight edge portions 211 ′ are formed around the file portion 211 on the root canal file, wherein each straight edge The portion 211' occupies the position of the file portion 211 corresponding to 90 degrees of the root canal file, that is, a straight edge structure is provided along the extending direction of the arc file portion 211 of the conical file, and then the file is opened in a circle around the root canal file. There are four straight edges, and a straight edge structure is provided at the position of the file portion 211 corresponding to every 90 degrees. It should be noted that since each file portion 211 is spirally extended from the file handle 10 to the file tip portion 22.
  • each straight edge portion 211 ′ is also presented along the extension direction of the file edge portion 211 , and the structure of each straight edge portion 211 ′ occupies the position structure of the file edge portion 211 corresponding to 90 degrees of the root canal file. Therefore, the polygonal pyramid
  • the filing edge portion 20 includes four filing edge side surfaces, and each filing edge side surface is composed of a plurality of straight edge portions 211 ′ and a plurality of helical edge grooves 212 located on the same side, that is, they are spaced along the extending direction of each filing edge portion 211 . Any continuous four straight edge portions 211 ′ are respectively on different file edge sides, so as to form a quadrangular pyramid spiral file edge structure.
  • the quadrangular pyramid root canal file Compared with the conical root canal file of the same size, the quadrangular pyramid root canal file has a gap between it and the pulp diameter cavity, which can improve the ability of the polygonal pyramid root canal file to excrete impurities and prevent impurities from affecting the high-speed rotating polygonal root canal root canal file.
  • the file blade portion 211 of the file is damaged, which reduces the fatigue resistance of the root canal file and improves the reliability during root canal treatment.
  • the top surface of the file tip portion 22 has a quadrangular structure
  • the polygonal pyramid filing edge portion 20 is a quadrangular spiral polygonal pyramid filing edge structure 21 .
  • the number of file parts 211 included in the polygonal pyramid file structure 21 is related to the shape of the file core structure of the file edge structure. 10.
  • Four filing edge portions 211 are arranged in the helical extension direction of the file core portion 213, and each file edge portion 211 extends around; In the manufacturing process, a straight edge portion 211 ′ can be provided on the file edge portion 211 according to actual needs.
  • the shape of the polygonal pyramid file edge portion 20 is a quadrangular pyramid structure
  • a straight edge is provided every 90 degrees around the file edge structure of the root canal file.
  • the straight edge part 211 ′ on every 90 degrees of the file structure of the root canal file is located on the same side view from the file handle 10 to the file tip part 22 , so that the polygonal pyramid file part 20 is a quadrangular pyramid spiral file Blade structure.
  • the length of the polygonal pyramid root canal file ranges from 13 to 150 mm, and the width of the edge portion 20 of the polygonal pyramid file ranges from 0.15 to 1.5 mm.
  • the corresponding polygonal pyramid root canal file selects the corresponding polygonal pyramid root canal file. 1.5mm, exemplarily, when the root canal treatment object is a human, a polygonal root canal file with a smaller size, such as 13mm, is selected.
  • a polygonal pyramid root of the corresponding specification is selected according to the animal's teeth.
  • Pipe file This embodiment protects a variety of polygonal pyramidal root canal files of different specifications, and the selection criteria for the specifications of the polygonal pyramidal root canal file will not be further described.
  • the material of the polygonal pyramid root canal file is cemented carbide.
  • the material of the polygonal pyramid root canal file is limited to be processed and manufactured by hard alloy, and the polygonal pyramid root canal file processed by this material has the advantages of high temperature resistance, good wear resistance and high fatigue resistance.
  • the multi-pyramid root canal file provided by the utility model is applied to the root canal treatment of teeth.
  • the polygonal-pyramid root canal file comprises: a file handle and a polygonal-pyramid file blade part fixed integrally with the file handle; a polygonal-pyramid file blade
  • the portion includes a polygonal pyramid file structure and a file tip portion fixedly connected with one end of the polygonal pyramid file structure away from the file handle.
  • the polygonal pyramid file structure includes a plurality of file edge portions spirally extending from the file handle to the file tip portion, and a plurality of file edges respectively connected to the file handle.
  • the groove and the tip of the file form a spiral file structure with a polygonal pyramid structure.
  • the file portion of the polygonal pyramid root canal file is provided with a plurality of straight edge portions at intervals, and the straight edge portions cooperate with the helical edge groove to form a polygonal-shaped helical file structure.
  • the pyramid-shaped spiral file structure can expand the gap between the root canal file and the pulp opening hole of the tooth, improve the root canal file's ability to excrete impurities, thereby improving the fatigue resistance of the root canal file, reducing impurities and the polygonal pyramid root canal file.
  • the trauma to the teeth when shaking is reliable.
  • the disclosed structure of the polygonal pyramid root canal file can be presented by other structures, such as not limited to the quadrangular pyramid root canal file, but also the root canal file of the triangular pyramid structure.

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Abstract

The present utility model discloses a polygonal pyramid root canal file. The polygonal pyramid root canal file is applied in tooth root canal therapy. The polygonal pyramid root canal file comprises a file handle and a polygonal pyramid file blade integrally fixed to the file handle; the polygonal pyramid file blade comprises a polygonal pyramid file blade structure and a file tip fixedly connected to the end of the polygonal pyramid file blade structure distant from the file handle; the polygonal pyramid file blade structure comprises multiple file cutting edges helically extending in a direction from the file handle to the file tip, and multiple helical flutes provided respectively adjacent to the file cutting edges; multiple straight cutting edge portions are provided along the helical extension direction of each file cutting edge at intervals; the multiple file cutting edges having the straight cutting edge portions, the multiple helical flutes, and the file tip form the helical file blade of a polygonal pyramid structure. According to the root canal file in the present solution, the provided straight cutting edge portions together with the helical flutes form a polygonal pyramid-shaped helical file blade structure; the polygonal pyramid-shaped helical file blade structure can enlarge the gap between the root canal file and a pulp hole of a tooth, and improve the impurity removal capability and fatigue resistance of the root canal file, and brings reliability.

Description

一种多棱锥根管锉A polygonal pyramid root canal file 技术领域technical field
本实用新型涉及根管治疗器械领域，尤其涉及一种多棱锥根管锉。The utility model relates to the field of root canal treatment instruments, in particular to a polygonal pyramid root canal file.
背景技术Background technique
在牙科医学行业中，根管治疗（root canal therapy）是牙髓病和根尖周病的最常用的有效治疗方法，主要是通过机械和化学方法去除根管内的大部分感染物，并通过充填根管、封闭冠部，防止发生根尖周病变，促进已经发生的根尖周病变的愈合。其中，在根管治疗过程的机械方法中，其涉及使用一种根管锉，通过该锥锉对牙齿进行开髓，以为进一步做准备。In the dental medicine industry, root canal therapy is the most commonly used and effective treatment method for endodontic and periapical diseases, mainly by mechanical and chemical methods to remove most of the infection in the root canal, and through Fill the root canal, seal the crown, prevent the occurrence of periapical lesions, and promote the healing of periapical lesions that have occurred. Among them, in the mechanical method of the root canal treatment process, it involves the use of a root canal file by means of which the tooth is pulped for further preparation.
相关技术中的根管锉的锉头通常是圆锥锉头，该圆锥锉头在使用过程中的***杂质能力差，这杂质容易损坏根管锉的锉头，使得根管锉的抗疲劳度差，且容易对牙齿造成较大的创伤，从而降低根管治疗中的可靠性。The file head of the root canal file in the related art is usually a conical file head, and the conical file head has poor ability to excrete impurities during use, and the impurities easily damage the file head of the root canal file, making the root canal file poor in fatigue resistance. , and it is easy to cause greater trauma to the teeth, thereby reducing the reliability of root canal treatment.
因此，有必要提出一种具有新的根管锉。Therefore, it is necessary to propose a new root canal file.
技术问题technical problem
本申请提供了一种多棱锥根管锉，可以解决现有技术中的根管锉在使用过程中***杂质能力差及抗疲劳度差的技术问题。The present application provides a polygonal pyramid root canal file, which can solve the technical problems that the root canal file in the prior art has poor ability to excrete impurities and poor fatigue resistance during use.
技术解决方案technical solutions
本实用新型提供一种多棱锥根管锉，多棱锥根管锉应用于牙齿根管治疗，所述多棱锥根管锉包括：锉柄及与所述锉柄一体化固定的多棱锥锉刃部，所述多棱锥锉刃部包括多棱锥锉刃结构及与所述多棱锥锉刃结构远离所述锉柄一端固定连接的锉尖部，所述多棱锥锉刃结构包括自所述锉柄向所述锉尖部方向螺旋延伸的多个锉刃部及分别与每一所述锉刃部相邻设置的多个螺旋刃槽；沿着每一所述锉刃部的螺旋延伸方向间隔开设有多个直刃部，具有所述直刃部的所述多个锉刃部、所述多个螺旋刃槽及所述锉尖部形成呈多棱锥结构的螺旋锉刃结构。The utility model provides a polygonal pyramid root canal file. The polygonal pyramid root canal file is applied to the root canal treatment of teeth. The polygonal pyramid root canal file comprises: a file handle and a polygonal pyramid file blade portion fixed integrally with the file handle. , the polygonal pyramid filing edge portion includes a polygonal pyramid filing edge structure and a file tip portion fixedly connected with an end of the polygonal pyramid filing edge structure away from the file handle, and the polygonal pyramid filing edge structure includes a direction from the file handle to the a plurality of filing edge portions spirally extending in the direction of the file tip portion and a plurality of helical edge grooves respectively arranged adjacent to each of the filing edge portions; spaced along the helical extension direction of each of the filing edge portions The plurality of straight edge portions, the plurality of file edge portions having the straight edge portions, the plurality of spiral edge grooves and the file tip portion form a spiral file edge structure having a polygonal pyramid structure.
可选的，所述多棱锥锉刃结构包括：三个所述锉刃部及三个所述螺旋刃槽，所述锉刃部与所述螺旋刃槽间隔设置。Optionally, the polygonal pyramid filing edge structure includes: three filing edge portions and three helical edge grooves, wherein the filing edge portions and the helical edge grooves are arranged at intervals.
可选的，三个所述锉刃部上的多个所述直刃部共同形成具有四个锉刃侧面的多棱锥锉刃部，所述锉刃部上相邻的两个所述直刃部分别位于相邻的两个所述锉刃侧面上。Optionally, a plurality of the straight edge parts on the three file edge parts together form a polygonal pyramid file edge part with four file edge sides, and two adjacent straight edge parts on the file edge part The parts are respectively located on the two adjacent side surfaces of the rasps.
可选的，所述锉尖部的顶面为呈三角形结构，所述多棱锥锉刃部为四棱锥结构的螺旋锉刃结构。Optionally, the top surface of the file tip portion is in a triangular structure, and the polygonal pyramid file edge portion is a spiral file edge structure with a quadrangular pyramid structure.
可选的，所述多棱锥锉刃结构包括：四个所述锉刃部及四个所述螺旋刃槽，所述锉刃部与所述螺旋刃槽间隔设置。Optionally, the polygonal pyramid filing edge structure includes: four filing edge portions and four helical edge grooves, and the filing edge portions and the helical edge grooves are arranged at intervals.
可选的，四个所述锉刃部上的多个所述直刃部共同形成具有四个锉刃侧面的多棱锥锉刃部，所述锉刃部上相邻的两个所述直刃部分别位于相邻的两个所述锉刃侧面上。Optionally, a plurality of the straight edge parts on the four file edge parts together form a polygonal pyramid file edge part with four file edge sides, and two adjacent straight edge parts on the file edge part The parts are respectively located on the two adjacent side surfaces of the rasps.
可选的，所述锉尖部的顶面为呈四边形结构，所述多棱锥锉刃部为四棱形的螺旋多棱锥锉刃结构。Optionally, the top surface of the file tip portion has a quadrangular structure, and the polygonal pyramid filing edge portion is a quadrangular spiral polygonal pyramid filing edge structure.
可选的，所述多棱锥根管锉的长度范围为13~150mm，所述多棱锥锉刃部的宽度范围为0.15~1.5mm。Optionally, the length of the polygonal-pyramid root canal file ranges from 13 to 150 mm, and the width of the edge of the polygonal-pyramid file ranges from 0.15 to 1.5 mm.
可选的，所述多棱锥根管锉的材质为硬质合金。Optionally, the material of the polygonal root canal file is cemented carbide.
有益效果beneficial effect
本实用新型提供的多棱锥根管锉，多棱锥根管锉应用于牙齿根管治疗，多棱锥根管锉包括：锉柄及与锉柄一体化固定的多棱锥锉刃部，多棱锥锉刃部包括多棱锥锉刃结构及与多棱锥锉刃结构远离锉柄一端固定连接的锉尖部，多棱锥锉刃结构包括自锉柄向锉尖部方向螺旋延伸的多个锉刃部及分别与每一锉刃部相邻设置的多个螺旋刃槽；沿着每一锉刃部的螺旋延伸方向间隔开设有多个直刃部，具有直刃部的多个锉刃部、多个螺旋刃槽及锉尖部形成呈多棱锥结构的螺旋锉刃结构。本方案中的多棱锥根管锉的锉刃部上间隔设有多个直刃部，该直刃部配合螺旋刃槽形成根多棱锥形的螺旋锉刃结构，与现有技术相比，多棱锥形的螺旋锉刃结构可扩大了根管锉与牙齿开髓孔的空隙，提高了根管锉的***杂质能力，进而提高了根管锉的抗疲劳度，且降低杂质及多棱锥根管锉在抖动时对牙齿造成的创伤，具有可靠性。The multi-pyramid root canal file provided by the utility model is applied to the root canal treatment of teeth. The polygonal-pyramid root canal file comprises: a file handle and a polygonal-pyramid file blade part fixed integrally with the file handle; a polygonal-pyramid file blade The portion includes a polygonal pyramid file structure and a file tip portion fixedly connected with one end of the polygonal pyramid file structure away from the file handle. The polygonal pyramid file structure includes a plurality of file edge portions spirally extending from the file handle to the file tip portion, and a plurality of file edges respectively connected to the file handle. A plurality of helical edge grooves arranged adjacent to each filing edge portion; a plurality of straight edge portions are spaced along the helical extension direction of each filing edge portion, and there are multiple filing edge portions with a straight edge portion, and multiple helical edges. The groove and the tip of the file form a spiral file structure with a polygonal pyramid structure. In this solution, the file portion of the polygonal pyramid root canal file is provided with a plurality of straight edge portions at intervals, and the straight edge portions cooperate with the helical edge groove to form a polygonal-shaped helical file structure. Compared with the prior art, there are many more The pyramid-shaped spiral file structure can expand the gap between the root canal file and the pulp opening hole of the tooth, improve the root canal file's ability to excrete impurities, thereby improve the fatigue resistance of the root canal file, and reduce impurities and polygonal pyramid root canals. The damage to the teeth caused by the file shaking is reliable.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those skilled in the art, other drawings can also be obtained from these drawings without creative efforts.
图1为本实用新型第一实施例提供的具有三个锉刃部的多棱锥根管锉的立体图；Fig. 1 is the perspective view of the polygonal pyramid root canal file provided by the first embodiment of the present utility model with three file portions;
图2为图1的第一实施例的多棱锥根管锉的a部分结构放大示意图；Fig. 2 is the enlarged schematic diagram of part a of the polygonal pyramid root canal file of the first embodiment of Fig. 1;
图3为图1的第一实施例的多棱锥根管锉的沿着A-A线的剖视结构示意图；FIG. 3 is a schematic cross-sectional structure diagram of the polygonal pyramid root canal file along the line A-A of the first embodiment of FIG. 1;
图4为图1的第一实施例的多棱锥根管锉的沿着A’-A’线的剖视结构示意图;Fig. 4 is the sectional structure schematic diagram of the polygonal pyramid root canal file of the first embodiment of Fig. 1 along A'-A' line;
图5为本实用新型第二实施例提供的具有四个锉刃部的多棱锥根管锉的立体图；5 is a perspective view of a polygonal pyramid root canal file with four file cutting edges provided by the second embodiment of the present utility model;
图6为图5的第二实施例的多棱锥根管锉的b部分结构放大示意图；6 is an enlarged schematic view of the structure of part b of the polygonal pyramid root canal file of the second embodiment of FIG. 5;
图7为图5的第二实施例的多棱锥根管锉的沿着B-B线的剖视结构示意图；7 is a cross-sectional structural schematic diagram of the polygonal pyramid root canal file of the second embodiment of FIG. 5 along the B-B line;
图8为图5的第二实施例的多棱锥根管锉的沿着B’-B’线的剖视结构示意图。Fig. 8 is a schematic cross-sectional structural diagram of the polygonal pyramid root canal file of the second embodiment of Fig. 5 along the line B'-B'.
本发明的实施方式Embodiments of the present invention
为使得本实用新型的发明目的、特征、优点能够更加的明显和易懂，下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而非全部实施例。基于本实用新型中的实施例，本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。In order to make the invention purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, , the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.
由于现有技术中的根管锉在使用过程中***杂质能力差及抗疲劳度差的技术问题。Due to the technical problems of poor ability to excrete impurities and poor fatigue resistance of the root canal file in the prior art during use.
为了解决上述技术问题，本实用新型提供一种多棱锥根管锉。In order to solve the above technical problems, the utility model provides a polygonal pyramid root canal file.
请参考图1-4，该多棱锥根管锉包括：锉柄10及与锉柄10一体化固定的多棱锥锉刃部20，多棱锥锉刃部20包括多棱锥锉刃结构21及与多棱锥锉刃结构21远离锉柄10一端固定连接的锉尖部22，多棱锥锉刃结构21包括自锉柄10向锉尖部22方向螺旋延伸的多个锉刃部211及分别与每一锉刃部211相邻设置的多个螺旋刃槽212；沿着每一锉刃部211的螺旋延伸方向间隔开设有多个直刃部211'，具有直刃部211'的多个锉刃部211、多个螺旋刃槽212及锉尖部22形成呈多棱锥结构的螺旋锉刃结构。1-4, the polygonal pyramid root canal file includes: a file handle 10 and a polygonal pyramid file edge portion 20 integrally fixed with the file handle 10. The polygonal pyramid file edge portion 20 includes a polygonal pyramid file edge structure 21 and a multi-pyramid file edge structure 21. The file tip portion 22 of the pyramid file structure 21 is fixedly connected at one end away from the file handle 10 . The polygonal pyramid file structure 21 includes a plurality of file edge portions 211 extending spirally from the file handle 10 to the file tip portion 22 . A plurality of helical edge grooves 212 arranged adjacent to the edge portions 211; a plurality of straight edge portions 211' are spaced along the spiral extending direction of each file edge portion 211, and a plurality of file edge portions 211 having the straight edge portion 211' , a plurality of spiral edge grooves 212 and the file tip portion 22 form a spiral file edge structure with a polygonal pyramid structure.
在本实用新型的实施例中，该多棱锥根管锉应用于牙齿根管治疗，为一种应用于牙齿根管治疗的打磨工具，如，在对牙齿进行根管治疗时，需要借助锥锉对牙齿进行开髓，进而透过开设的髓腔进行根管治疗。为了避免在开髓过程中产生的杂质对高速转动的根管锉造成磨损或损坏，降低根管锉的抗疲劳度，本实施将根管锉制造为多凌锥根管锉，具体的，该多棱锥根管锉包括：锉柄10及与锉柄10一体化固定的多棱锥锉刃部20，其中，该锉柄10为安装部位，该锉柄10与牙科医学领域的相应设备可拆卸连接，使得多棱锥根管锉安装固定在相关根管治疗设备的部件上，如牙科手机或根管治疗仪等器械，本实用新型不做进一步的叙述；多棱锥锉刃部20包括：与锉柄10固定连接的多棱锥锉刃结构21及与多棱锥锉刃结构21远离锉柄10一端固定连接的锉尖部22，该多棱锥锉刃结构21结合锉尖部22用于打磨牙齿的目标位置，实现开髓，以进一步根管治疗；该多棱锥锉刃结构21包括：一个或多个锉刃部211及螺旋刃槽212，该锉刃部211与螺旋刃槽212相邻设置，需要注意的是，当多棱锥锉刃结构21包括多个锉刃部211及螺旋刃槽212时，锉刃部211的数量与螺旋刃槽212的数量相等，且多个锉刃部211及多个螺旋刃槽212依次间隔设置在多棱锥锉刃部20的侧面，比如，当多棱锥锉刃结构21包括三个锉刃部211及三个螺旋刃槽212时，多棱锥锉刃部20的侧面的结构排布为：锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212，其他数量的锉刃部211、螺旋刃槽212也按照此种结构分布方式设置；进一步的，沿着每一锉刃部211的螺旋延伸方向间隔开设多个直刃部211'，相对于圆锥体的根管锉，在锉刃部211上设有直刃部211'的根管锉的侧面整体上呈凹陷或平直结构，具有直刃部211'的多个锉刃部211、多个螺旋刃槽212及锉尖部22形成呈多棱锥结构的螺旋锉刃结构，或呈与多棱锥结构相近的螺旋锉刃结构，即该多棱锥结构的螺旋锉刃结构具有多个侧面，该多棱锥根管锉可为三菱锥根管锉、四棱锥根管锉、五棱锥根管锉等，本实施例对此不做进一步限定，需要说明的是，在实际临床应用中，该多棱锥根管锉在告诉转动时，其所打磨达到的髓径与圆锥体根管锉的髓径大小相同，该多棱锥根管锉相对于同规格大小的圆锥体根管锉，其与髓径空腔之间具有间隙，且呈近方形结构或多棱锥的根管锉在螺旋锉刃结构可具有携带杂质的作用，结合间隙，可提高多棱锥根管锉的***杂质能力，防止杂质对高速转动的多棱锥根管锉的锉刃部211造成损坏，降低根管锉的抗疲劳度；另一方面，由于该多棱锥根管锉的可为方形或多边形，其在开髓时的孔径宽度最小可为该根管锉的相对侧两条棱边之间的宽度，且由于该多棱锥根管锉与开髓是的孔径之间具有间隙，可将开髓打孔时产生的杂质***出去，降低杂质及多棱锥根管锉在抖动时对牙齿造成的创伤，提高根管治疗过程中的可靠性。In the embodiment of the present invention, the polygonal pyramid root canal file is used for root canal treatment of teeth, and is a grinding tool used for root canal treatment of teeth. For example, when root canal treatment is performed on teeth, a cone file is required The pulp is opened to the tooth, and then root canal treatment is performed through the opened pulp cavity. In order to prevent the impurity generated during the pulp opening process from causing wear or damage to the high-speed rotating root canal file and reducing the fatigue resistance of the root canal file, the root canal file is manufactured as a multi-cone root canal file in this implementation. The polygonal-pyramid root canal file includes: a file handle 10 and a polygonal-pyramid file blade portion 20 integrally fixed with the file handle 10, wherein the file handle 10 is an installation part, and the file handle 10 is detachably connected to the corresponding equipment in the field of dentistry. , so that the polygonal pyramid root canal file is installed and fixed on the components of the relevant root canal treatment equipment, such as dental handpieces or root canal therapy instruments and other instruments, the utility model will not be further described; the polygonal pyramid file blade portion 20 includes: 10. A polygonal pyramid file structure 21 fixedly connected and a file tip portion 22 fixedly connected with one end of the polygonal pyramid file structure 21 away from the file handle 10. The polygonal pyramid file structure 21 combined with the file tip portion 22 is used for grinding the target position of the teeth , to achieve pulp opening for further root canal treatment; the polygonal pyramid file structure 21 includes: one or more file parts 211 and a spiral edge groove 212, the file edge part 211 and the spiral edge groove 212 are arranged adjacent to each other, it should be noted that However, when the polygonal pyramid file structure 21 includes a plurality of file portions 211 and a plurality of helical edge grooves 212, the number of the file portions 211 is equal to the number of the spiral edge grooves 212, and the plurality of file portions 211 and a plurality of helical edge grooves 212. The edge grooves 212 are arranged at intervals on the side surface of the polygonal pyramid file portion 20. For example, when the polygonal pyramid file edge structure 21 includes three file edge portions 211 and three spiral edge grooves 212, the side surface of the polygonal pyramid file edge portion 20 is The structure is arranged as follows: file part 211, spiral edge groove 212, file edge part 211, spiral edge groove 212, file edge part 211, spiral edge groove 212, other numbers of file edge parts 211, spiral edge groove 212 are also in accordance with this A plurality of straight edge portions 211 ′ are arranged at intervals along the helical extension direction of each file portion 211. Compared with the conical root canal file, the file portion 211 is provided with straight edges. The side surface of the root canal file of the portion 211' is in a concave or straight structure as a whole, and the multiple file portions 211, the multiple spiral edge grooves 212 and the file tip portion 22 with the straight edge portion 211' form a spiral with a polygonal pyramid structure. File structure, or a spiral file structure similar to the polygonal pyramid structure, that is, the spiral file structure of the polygonal pyramid structure has multiple sides, and the polygonal pyramid root canal file can be Mitsubishi taper root canal file, quadrangular pyramid root canal file File, pentagonal root canal file, etc., which are not further limited in this embodiment, it should be noted that, in practical clinical application, when the polygonal pyramid root canal file is rotated, the pulp diameter and conical diameter achieved by grinding are The pulp diameter of the body root canal file is the same. Compared with the conical root canal file of the same size, the polygonal root canal file has a gap between it and the pulp diameter cavity, and has a nearly square structure or a polygonal root canal. The file can carry impurities in the spiral file structure. Combined with the gap, it can improve the ability of the polygonal pyramid root canal file to excrete impurities, prevent impurities from causing damage to the file edge 211 of the high-speed rotating polygonal pyramid root canal file, and reduce the root canal. Fatigue resistance of the file; on the other hand, since the polygonal pyramidal root canal file can be square or polygonal , the minimum width of the aperture during pulp opening can be the width between the two edges on the opposite side of the root canal file, and due to the gap between the polygonal root canal file and the aperture of pulp opening, the opening can be The impurities generated when the pulp is perforated are excreted, reducing the trauma caused by the impurities and the shaking of the polygonal root canal file to the teeth, and improving the reliability of the root canal treatment process.
在本实用新型的实施例中，多棱锥锉刃结构21包括：三个锉刃部211及三个螺旋刃槽212，锉刃部211与螺旋刃槽212间隔设置。在该实施例中，多棱锥锉刃结构21包括：三个锉刃部211及三个螺旋刃槽212，这三个锉刃部211及三个螺旋刃槽212间隔设置在多棱锥锉刃部20的侧面，具体的，在多棱锥锉刃结构21侧面结构排布为：锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212。需要说明的是，多棱锥锉刃结构21包含的锉刃部211及螺旋刃槽212的数量决定了根管锉的加工精度，如多棱锥锉刃结构21的类型通常包含的三个锉刃部211和四个锉刃部211，而螺旋刃槽212的数量与锉刃部211的数量一致。在实际应用中，可根据实际需求选择的相应类型的根明管锉，如根据前牙、后牙、牙齿上的目标位置等，本实施例对此不做进一步的赘述。In the embodiment of the present invention, the polygonal pyramid file structure 21 includes: three file parts 211 and three spiral edge grooves 212 , and the file edge parts 211 and the spiral edge grooves 212 are arranged at intervals. In this embodiment, the polygonal pyramid filing edge structure 21 includes: three filing edge portions 211 and three helical edge grooves 212, and the three filing edge portions 211 and the three helical edge grooves 212 are arranged at intervals on the polygonal pyramid filing edge portion The side surface of 20, specifically, the side structure of the polygonal pyramid file structure 21 is arranged as follows: file portion 211, spiral edge groove 212, file edge portion 211, spiral edge groove 212, file edge portion 211, spiral edge groove 212. It should be noted that the number of the file parts 211 and the spiral edge grooves 212 included in the polygonal pyramid file structure 21 determines the machining accuracy of the root canal file, for example, the type of the polygonal pyramid file structure 21 usually includes three file parts 211 and four file portions 211 , and the number of the helical edge grooves 212 is consistent with the number of the file portions 211 . In practical applications, a corresponding type of root canal file may be selected according to actual requirements, such as anterior teeth, posterior teeth, and target positions on teeth, etc., which will not be further described in this embodiment.
进一步的，三个锉刃部211上的多个直刃部211'共同形成具有四个锉刃侧面的多棱锥锉刃部20，锉刃部211上相邻的两个直刃部211'分别位于相邻的两个锉刃侧面上。需要说明的是，由于沿着每个锉刃部211的延伸方向上间隔开设有直刃部211'，具体为围绕根管锉上的锉刃部211开设直刃部211'，其中，每个直刃部211'占据根管锉的90度对应的锉刃部211位置，即沿着圆锥体根管锉的圆弧锉刃部211的延伸方向设置平直刃结构，则围绕根管锉一圈开设四个平直刃，每90度对应的锉刃部211位置开设一个平直刃结构，应当注意的是，由于每个锉刃部211是自锉柄10向锉尖部22方向螺旋延伸设置的，因此，每个直刃部211'也是沿着锉刃部211的延伸方向呈现，每一条直刃部211'结构占据根管锉的90度对应的锉刃部211位置结构，因此，多棱锥锉刃部20包括四个锉刃侧面，每个锉刃侧面由位于同一侧的多个直刃部211'及多个螺旋刃槽212组成，即沿着每一条锉刃部211延伸方向间隔设置的任意连续四个直刃部211'分别在不同的锉刃侧面上，以形成四棱锥的螺旋锉刃结构。Further, the plurality of straight edge portions 211 ′ on the three file edge portions 211 together form a polygonal pyramid file portion 20 with four file edge sides, and the two adjacent straight edge portions 211 ′ on the file edge portions 211 are respectively On the flanks of two adjacent files. It should be noted that, since the straight edge portions 211 ′ are spaced along the extending direction of each file portion 211 , the straight edge portions 211 ′ are formed around the file portion 211 on the root canal file. The straight edge portion 211 ′ occupies the position of the file edge portion 211 corresponding to 90 degrees of the root canal file, that is, the straight edge structure is arranged along the extending direction of the arc file edge portion 211 of the conical root canal file. There are four straight edges in the circle, and a straight edge structure is set at the position of the file portion 211 corresponding to every 90 degrees. It should be noted that since each file portion 211 extends spirally from the file handle 10 to the file tip portion 22 Therefore, each straight edge portion 211 ′ is also presented along the extension direction of the file edge portion 211 , and the structure of each straight edge portion 211 ′ occupies the position structure of the file edge portion 211 corresponding to 90 degrees of the root canal file. Therefore, The polygonal pyramid file portion 20 includes four file side surfaces, each file side surface is composed of a plurality of straight edge portions 211 ′ and a plurality of spiral edge grooves 212 located on the same side, that is, along the extension direction of each file portion 211 Any four consecutive straight edge portions 211 ′ arranged at intervals are respectively on different file edge sides, so as to form a quadrangular pyramid spiral file edge structure.
参阅3-4，锉尖部22的顶面为呈三角形结构，多棱锥锉刃部20为四棱锥的螺旋锉刃结构。具体的，多棱锥锉刃结构21包含的锉刃部211的数量与锉刃结构锉心结构形状有关，如锉心的结构形状为三棱锥，则锉尖部22的顶面为呈三角形结构，自锉柄10向锉心部213的螺旋延伸方向设置三个锉刃部211，每个锉刃部211围绕延伸；需要说明的是，多棱锥锉刃部20的形状与锉心的结构形状无关，在生成制造过程中，可根据实际需要在锉刃部211上开设直刃部211'，如多棱锥锉刃部20的形状为四棱锥结构时，围绕根管锉的锉刃结构每90度开设直刃部211'，根管锉的锉刃结构每90度上的直刃部211'位于自锉柄10向锉尖部22的同一侧面视图上，使得多棱锥锉刃部20为四棱锥的螺旋锉刃结构。需要说明的是，本实施例中的锉尖部还可为四边形、多边形等，本实施例对此不做进一步赘述。Referring to 3-4, the top surface of the file tip portion 22 is in a triangular structure, and the polygonal pyramid file portion 20 is a quadrangular pyramid spiral file structure. Specifically, the number of the file edge portions 211 included in the polygonal pyramid file edge structure 21 is related to the shape of the file core structure of the file edge structure. Three file portions 211 are provided from the file handle 10 to the helical extension direction of the file core portion 213, and each file portion 211 extends around it; it should be noted that the shape of the polygonal pyramid file portion 20 has nothing to do with the structural shape of the file core , in the production process, a straight edge portion 211 ′ can be opened on the file edge portion 211 according to actual needs. For example, when the shape of the polygonal pyramid file edge portion 20 is a quadrangular pyramid structure, the file edge structure surrounding the root canal file is formed every 90 degrees. The straight edge portion 211 ′ is opened, and the straight edge portion 211 ′ on every 90 degrees of the file structure of the root canal file is located on the same side view from the file handle 10 to the file tip portion 22 , so that the polygonal pyramid file portion 20 is a quadrangular pyramid spiral file structure. It should be noted that the tip portion of the file in this embodiment may also be a quadrilateral, a polygon, etc., which will not be further described in this embodiment.
参见图5-8，在本实用新型的第二实施例中，多棱锥锉刃结构21包括：四个锉刃部211及四个螺旋刃槽212，锉刃部211与螺旋刃槽212间隔设置。在该实施例中，多棱锥锉刃结构21包括：四个锉刃部211及四个螺旋刃槽212，这四个锉刃部211及四个螺旋刃槽212间隔设置在多棱锥锉刃部20的侧面，具体的，在多棱锥锉刃部20侧面结构排布为：锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212、锉刃部211、螺旋刃槽212。棱锥锉刃结构包含的锉刃部211的数量与锉刃结构锉心结构形状有关，当锉刃结构的锉心的形状结构为四棱锥结构或近四棱锥结构时，多棱锥锉刃结构21为具有四个锉刃部211，每个锉刃部211自锉柄10向锉尖部22围绕锉刃结构螺旋延伸。5-8, in the second embodiment of the present utility model, the polygonal pyramid file structure 21 includes: four file portions 211 and four spiral edge grooves 212, the file portion 211 and the spiral edge grooves 212 are arranged at intervals . In this embodiment, the polygonal pyramid filing edge structure 21 includes: four filing edge portions 211 and four helical edge grooves 212 , and the four filing edge portions 211 and the four helical edge grooves 212 are arranged at intervals on the polygonal pyramid filing edge portion The side of 20, specifically, the side structure of the polygonal pyramid filing portion 20 is arranged as follows: filing portion 211, spiral edge groove 212, filing edge portion 211, spiral edge groove 212, filing edge portion 211, spiral edge groove 212, File portion 211 , spiral groove 212 . The number of file parts 211 included in the pyramid file structure is related to the shape of the file core structure of the file edge structure. When the shape structure of the file core of the file edge structure is a quadrangular pyramid structure or a nearly quadrangular pyramid structure, the polygonal pyramid file edge structure 21 is There are four file portions 211 , each file portion 211 extending spirally around the file structure from the file shank 10 to the file tip portion 22 .
进一步的，四个锉刃部211上的多个直刃部211'共同形成具有四个锉刃侧面的多棱锥锉刃部20，锉刃部211上相邻的两个直刃部211'分别位于相邻的两个锉刃侧面上。具体的，由于沿着每个锉刃部211的延伸方向上间隔开设有直刃部211'，具体为围绕根管锉上的锉刃部211开设直刃部211'，其中，每个直刃部211'占据根管锉的90度对应的锉刃部211位置，即沿着圆锥体根管锉的圆弧锉刃部211的延伸方向设置平直刃结构，则围绕根管锉一圈开设四个平直刃，每90度对应的锉刃部211位置开设一个平直刃结构，应当注意的是，由于每个锉刃部211是自锉柄10向锉尖部22方向螺旋延伸设置的，因此，每个直刃部211'也是沿着锉刃部211的延伸方向呈现，每一条直刃部211'结构占据根管锉的90度对应的锉刃部211位置结构，因此，多棱锥锉刃部20包括四个锉刃侧面，每个锉刃侧面由位于同一侧的多个直刃部211'及多个螺旋刃槽212组成，即沿着每一条锉刃部211延伸方向间隔设置的任意连续四个直刃部211'分别在不同的锉刃侧面上，以形成四棱锥的螺旋锉刃结构。该四棱锥根管锉相对于同规格大小的圆锥体根管锉，其与髓径空腔之间具有间隙，可提高多棱锥根管锉的***杂质能力，防止杂质对高速转动的多棱锥根管锉的锉刃部211造成损坏，降低根管锉的抗疲劳度，提高根管治疗过程中的可靠性。Further, the plurality of straight edge portions 211 ′ on the four file edge portions 211 together form a polygonal pyramid file portion 20 with four file edge sides, and the two adjacent straight edge portions 211 ′ on the file edge portions 211 are respectively On the flanks of two adjacent files. Specifically, since the straight edge portions 211 ′ are spaced along the extending direction of each file portion 211 , the straight edge portions 211 ′ are formed around the file portion 211 on the root canal file, wherein each straight edge The portion 211' occupies the position of the file portion 211 corresponding to 90 degrees of the root canal file, that is, a straight edge structure is provided along the extending direction of the arc file portion 211 of the conical file, and then the file is opened in a circle around the root canal file. There are four straight edges, and a straight edge structure is provided at the position of the file portion 211 corresponding to every 90 degrees. It should be noted that since each file portion 211 is spirally extended from the file handle 10 to the file tip portion 22. Therefore, each straight edge portion 211 ′ is also presented along the extension direction of the file edge portion 211 , and the structure of each straight edge portion 211 ′ occupies the position structure of the file edge portion 211 corresponding to 90 degrees of the root canal file. Therefore, the polygonal pyramid The filing edge portion 20 includes four filing edge side surfaces, and each filing edge side surface is composed of a plurality of straight edge portions 211 ′ and a plurality of helical edge grooves 212 located on the same side, that is, they are spaced along the extending direction of each filing edge portion 211 . Any continuous four straight edge portions 211 ′ are respectively on different file edge sides, so as to form a quadrangular pyramid spiral file edge structure. Compared with the conical root canal file of the same size, the quadrangular pyramid root canal file has a gap between it and the pulp diameter cavity, which can improve the ability of the polygonal pyramid root canal file to excrete impurities and prevent impurities from affecting the high-speed rotating polygonal root canal root canal file. The file blade portion 211 of the file is damaged, which reduces the fatigue resistance of the root canal file and improves the reliability during root canal treatment.
参见图7-8，锉尖部22的顶面为呈四边形结构，多棱锥锉刃部20为四棱形的螺旋多棱锥锉刃结构21。多棱锥锉刃结构21包含的锉刃部211的数量与锉刃结构锉心结构形状有关，如锉心的结构形状为四棱锥，则锉尖部22的顶面为呈四边形结构，自锉柄10向锉心部213的螺旋延伸方向设置四个锉刃部211，每个锉刃部211围绕延伸；需要说明的是，多棱锥锉刃部20的形状与锉心的结构形状无关，在生成制造过程中，可根据实际需要在锉刃部211上开设直刃部211'，如多棱锥锉刃部20的形状为四棱锥结构时，围绕根管锉的锉刃结构每90度开设直刃部211'，根管锉的锉刃结构每90度上的直刃部211'位于自锉柄10向锉尖部22的同一侧面视图上，使得多棱锥锉刃部20为四棱锥的螺旋锉刃结构。Referring to FIGS. 7-8 , the top surface of the file tip portion 22 has a quadrangular structure, and the polygonal pyramid filing edge portion 20 is a quadrangular spiral polygonal pyramid filing edge structure 21 . The number of file parts 211 included in the polygonal pyramid file structure 21 is related to the shape of the file core structure of the file edge structure. 10. Four filing edge portions 211 are arranged in the helical extension direction of the file core portion 213, and each file edge portion 211 extends around; In the manufacturing process, a straight edge portion 211 ′ can be provided on the file edge portion 211 according to actual needs. For example, when the shape of the polygonal pyramid file edge portion 20 is a quadrangular pyramid structure, a straight edge is provided every 90 degrees around the file edge structure of the root canal file. part 211 ′, the straight edge part 211 ′ on every 90 degrees of the file structure of the root canal file is located on the same side view from the file handle 10 to the file tip part 22 , so that the polygonal pyramid file part 20 is a quadrangular pyramid spiral file Blade structure.
在本实用新型的实施例中，多棱锥根管锉的长度范围为13~150mm，多棱锥锉刃部20的宽度范围为0.15~1.5mm。需要说明的是，根据根管治疗对象及其牙齿状况选择相应的规格的多棱锥根管锉，多棱锥根管锉的长度范围为13~150mm，多棱锥锉刃部20的宽度范围为0.15~1.5mm，示例性的，当根管治疗对象为人时，通过选择较小规格的多棱锥根管锉，如13mm，当根管治疗对应为动物时，根据动物的牙齿选择相应规格的多棱锥根管锉。本实施例保护了多种不同规格的多棱锥根管锉，关于多棱锥根管锉规格的选用标准不做进一步赘述。In the embodiment of the present invention, the length of the polygonal pyramid root canal file ranges from 13 to 150 mm, and the width of the edge portion 20 of the polygonal pyramid file ranges from 0.15 to 1.5 mm. It should be noted that, according to the root canal treatment object and the condition of the teeth, select the corresponding polygonal pyramid root canal file. 1.5mm, exemplarily, when the root canal treatment object is a human, a polygonal root canal file with a smaller size, such as 13mm, is selected. When the root canal treatment corresponds to an animal, a polygonal pyramid root of the corresponding specification is selected according to the animal's teeth. Pipe file. This embodiment protects a variety of polygonal pyramidal root canal files of different specifications, and the selection criteria for the specifications of the polygonal pyramidal root canal file will not be further described.
在本实用新型的实施例中，多棱锥根管锉的材质为硬质合金。本实施例限定多棱锥根管锉的材质选用硬质合金进行加工制造，该材质加工的多棱锥根管锉具有耐高温、耐磨性好、抗疲劳度高的优点。In the embodiment of the present invention, the material of the polygonal pyramid root canal file is cemented carbide. In this embodiment, the material of the polygonal pyramid root canal file is limited to be processed and manufactured by hard alloy, and the polygonal pyramid root canal file processed by this material has the advantages of high temperature resistance, good wear resistance and high fatigue resistance.
本实用新型提供的多棱锥根管锉，多棱锥根管锉应用于牙齿根管治疗，多棱锥根管锉包括：锉柄及与锉柄一体化固定的多棱锥锉刃部，多棱锥锉刃部包括多棱锥锉刃结构及与多棱锥锉刃结构远离锉柄一端固定连接的锉尖部，多棱锥锉刃结构包括自锉柄向锉尖部方向螺旋延伸的多个锉刃部及分别与每一锉刃部相邻设置的多个螺旋刃槽；沿着每一锉刃部的螺旋延伸方向间隔开设有多个直刃部，具有直刃部的多个锉刃部、多个螺旋刃槽及锉尖部形成呈多棱锥结构的螺旋锉刃结构。本方案中的多棱锥根管锉的锉刃部上间隔设有多个直刃部，该直刃部配合螺旋刃槽形成根多棱锥形的螺旋锉刃结构，与现有技术相比，多棱锥形的螺旋锉刃结构可扩大了根管锉与牙齿开髓孔的空隙，提高了根管锉的***杂质能力，进而提高了根管锉的抗疲劳度，降低杂质及多棱锥根管锉在抖动时对牙齿造成的创伤，具有可靠性。The multi-pyramid root canal file provided by the utility model is applied to the root canal treatment of teeth. The polygonal-pyramid root canal file comprises: a file handle and a polygonal-pyramid file blade part fixed integrally with the file handle; a polygonal-pyramid file blade The portion includes a polygonal pyramid file structure and a file tip portion fixedly connected with one end of the polygonal pyramid file structure away from the file handle. The polygonal pyramid file structure includes a plurality of file edge portions spirally extending from the file handle to the file tip portion, and a plurality of file edges respectively connected to the file handle. A plurality of helical edge grooves arranged adjacent to each filing edge portion; a plurality of straight edge portions are spaced along the helical extension direction of each filing edge portion, and there are multiple filing edge portions with a straight edge portion, and multiple helical edges. The groove and the tip of the file form a spiral file structure with a polygonal pyramid structure. In this solution, the file portion of the polygonal pyramid root canal file is provided with a plurality of straight edge portions at intervals, and the straight edge portions cooperate with the helical edge groove to form a polygonal-shaped helical file structure. Compared with the prior art, there are many more The pyramid-shaped spiral file structure can expand the gap between the root canal file and the pulp opening hole of the tooth, improve the root canal file's ability to excrete impurities, thereby improving the fatigue resistance of the root canal file, reducing impurities and the polygonal pyramid root canal file. The trauma to the teeth when shaking is reliable.
在本申请所提供的几个实施例中，应该理解到，所揭露的多棱锥根管锉结构，可以通过其它的结构呈现，如不限于四棱锥根管锉，还可以为三棱锥结构的根管锉、五棱锥结构的根管锉、六棱锥结构的根管锉等。因此，以上所描述的实施例仅仅是示意性的。In the several embodiments provided in this application, it should be understood that the disclosed structure of the polygonal pyramid root canal file can be presented by other structures, such as not limited to the quadrangular pyramid root canal file, but also the root canal file of the triangular pyramid structure. File, root canal file of pentagonal pyramid structure, root canal file of hexagonal pyramid structure, etc. Therefore, the above-described embodiments are merely illustrative.
需要说明的是，对于前述的各方法实施例，为了简便描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本实用新型并不受所描述的动作顺序的限制，因为依据本实用新型，某些步骤可以采用其它顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定都是本实用新型所必须的。It should be noted that, for the convenience of description, the foregoing method embodiments are described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence , because in accordance with the present invention, certain steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily all necessary for the present invention.
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其它实施例的相关描述。In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.
以上为对本实用新型所提供的一种多棱锥根管锉的描述，对于本领域的技术人员，依据本实用新型实施例的思想，在具体实施方式及应用范围上均会有改变之处，综上，本说明书内容不应理解为对本实用新型的限制。The above is a description of a polygonal pyramid root canal file provided by the present invention. For those skilled in the art, according to the idea of the embodiment of the present invention, there will be changes in the specific implementation and application scope. Above, the content of this specification should not be construed as a limitation to the present invention.

Claims (9)

  1. 一种多棱锥根管锉，其特征在于，多棱锥根管锉应用于牙齿根管治疗，所述多棱锥根管锉包括：锉柄及与所述锉柄一体化固定的多棱锥锉刃部，所述多棱锥锉刃部包括多棱锥锉刃结构及与所述多棱锥锉刃结构远离所述锉柄一端固定连接的锉尖部，所述多棱锥锉刃结构包括自所述锉柄向所述锉尖部方向螺旋延伸的多个锉刃部及分别与每一所述锉刃部相邻设置的多个螺旋刃槽；沿着每一所述锉刃部的螺旋延伸方向间隔开设有多个直刃部，具有所述直刃部的所述多个锉刃部、所述多个螺旋刃槽及所述锉尖部形成呈多棱锥结构的螺旋锉刃部。A polygonal pyramid root canal file, characterized in that the polygonal pyramid root canal file is used for root canal treatment of teeth, and the polygonal pyramid root canal file comprises: a file handle and a polygonal pyramid file blade portion fixed integrally with the file handle , the polygonal pyramid filing edge portion includes a polygonal pyramid filing edge structure and a file tip portion fixedly connected with an end of the polygonal pyramid filing edge structure away from the file handle, and the polygonal pyramid filing edge structure includes a direction from the file handle to the a plurality of filing edge portions spirally extending in the direction of the file tip portion and a plurality of helical edge grooves respectively arranged adjacent to each of the filing edge portions; spaced along the helical extension direction of each of the filing edge portions A plurality of straight blade portions, the plurality of filing blade portions having the straight blade portions, the plurality of helical blade grooves, and the filing tip portion form a helical filing blade portion having a polygonal pyramid structure.
  2. 如权利要求1所述的多棱锥根管锉，其特征在于，所述多棱锥锉刃结构包括：三个所述锉刃部及三个所述螺旋刃槽，所述锉刃部与所述螺旋刃槽间隔设置。The polygonal-pyramid root canal file of claim 1, wherein the polygonal-pyramid file structure comprises: three file portions and three helical edge grooves, the file portion and the The helical flutes are spaced apart.
  3. 如权利要求2所述的多棱锥根管锉，其特征在于，三个所述锉刃部上的多个所述直刃部共同形成具有四个锉刃侧面的多棱锥锉刃部，所述锉刃部上相邻的两个所述直刃部分别位于相邻的两个所述锉刃侧面上。The polygonal pyramid root canal file according to claim 2, wherein a plurality of the straight edge portions on the three file edge portions together form a polygonal pyramid file edge portion with four file edge sides, and the The two adjacent straight edge portions on the file portion are respectively located on the two adjacent side surfaces of the file edge.
  4. 如权利要求2所述的多棱锥根管锉，其特征在于，所述锉尖部的顶面为呈三角形结构，所述多棱锥锉刃部为四棱锥结构的螺旋锉刃结构。The polygonal-pyramid root canal file according to claim 2, wherein the top surface of the file tip portion has a triangular structure, and the polygonal-pyramid file edge portion is a quadrangular-pyramid spiral file edge structure.
  5. 如权利要求1所述的多棱锥根管锉，其特征在于，所述多棱锥锉刃结构包括：四个所述锉刃部及四个所述螺旋刃槽，所述锉刃部与所述螺旋刃槽间隔设置。The polygonal-pyramid root canal file of claim 1, wherein the polygonal-pyramid file structure comprises: four file portions and four helical edge grooves, the file portions and the The helical flutes are spaced apart.
  6. 如权利要求5所述的多棱锥根管锉，其特征在于，四个所述锉刃部上的多个所述直刃部共同形成具有四个锉刃侧面的多棱锥锉刃部，所述锉刃部上相邻的两个所述直刃部分别位于相邻的两个所述锉刃侧面上。The polygonal pyramid root canal file according to claim 5, wherein a plurality of the straight edge portions on the four file edge portions together form a polygonal pyramid file edge portion with four file edge sides, and the The two adjacent straight edge portions on the file portion are respectively located on the two adjacent side surfaces of the file edge.
  7. 如权利要求5所述的多棱锥根管锉，其特征在于，所述锉尖部的顶面为呈四边形结构，所述多棱锥锉刃部为四棱形的螺旋多棱锥锉刃结构。The polygonal pyramid root canal file according to claim 5, wherein the top surface of the file tip portion has a quadrangular structure, and the polygonal pyramid file edge portion is a quadrangular spiral polygonal pyramid file edge structure.
  8. 如权利要求1所述的多棱锥根管锉，其特征在于，所述多棱锥根管锉的长度范围为13~150mm，所述多棱锥锉刃部的宽度范围为0.15~1.5mm。The polygonal pyramid root canal file according to claim 1, characterized in that, the length of the polygonal pyramid root canal file ranges from 13 to 150 mm, and the width of the edge portion of the polygonal pyramid file ranges from 0.15 to 1.5 mm.
  9. 如权利要求1所述的多棱锥根管锉，其特征在于，所述多棱锥根管锉的材质为硬质合金。The polygonal pyramid root canal file according to claim 1, wherein the material of the polygonal pyramid root canal file is cemented carbide.
PCT/CN2020/123594 2020-10-26 2020-10-26 Polygonal pyramid root canal file WO2022087771A1 (en)

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Citations (7)

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US5762497A (en) * 1996-03-07 1998-06-09 Tulsa Dental Products Endodontic dental instrument
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US20070031784A1 (en) * 2005-08-02 2007-02-08 Berutti Elio V G Endodontic reamer / file having reduced torque demands
US20170265964A1 (en) * 2016-03-15 2017-09-21 Essential Dental Systems, Inc. Non-circular endodontic instruments
CN206995351U (en) * 2017-02-23 2018-02-13 四川省海纳联创医疗器械有限公司 A kind of high efficiency root canal file for treating root pipe
CN209884369U (en) * 2018-05-29 2020-01-03 苏州派克顿科技有限公司 Minimally invasive root canal file
CN211460595U (en) * 2019-12-18 2020-09-11 上海双申医疗器械股份有限公司 Tip optimized root canal file

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762497A (en) * 1996-03-07 1998-06-09 Tulsa Dental Products Endodontic dental instrument
US20050272004A1 (en) * 2004-06-08 2005-12-08 Ormco Corporation Non-landed endodontic instrument and methods of making such endodontic instruments
US20070031784A1 (en) * 2005-08-02 2007-02-08 Berutti Elio V G Endodontic reamer / file having reduced torque demands
US20170265964A1 (en) * 2016-03-15 2017-09-21 Essential Dental Systems, Inc. Non-circular endodontic instruments
CN206995351U (en) * 2017-02-23 2018-02-13 四川省海纳联创医疗器械有限公司 A kind of high efficiency root canal file for treating root pipe
CN209884369U (en) * 2018-05-29 2020-01-03 苏州派克顿科技有限公司 Minimally invasive root canal file
CN211460595U (en) * 2019-12-18 2020-09-11 上海双申医疗器械股份有限公司 Tip optimized root canal file

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