CN206518609U - A kind of root canal file for being used to treat molars root canalses - Google Patents
A kind of root canal file for being used to treat molars root canalses Download PDFInfo
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- CN206518609U CN206518609U CN201621018002.4U CN201621018002U CN206518609U CN 206518609 U CN206518609 U CN 206518609U CN 201621018002 U CN201621018002 U CN 201621018002U CN 206518609 U CN206518609 U CN 206518609U
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- root canal
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- handle
- work department
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Abstract
The utility model belongs to the type medical instrument for dental use technical field of root canal, discloses a kind of root canal file for being used to treat molars root canalses.For solving poor universality, utilization rate of equipment and installations that existing root canal file is present the problem of cause the wasting of resources.The utility model includes handle, and the handle is connected with work department, and the length of the work department is 17 19mm.The utility model does not need special motor in use, is the root canal that can complete to grind one's teeth in sleep using existing motor.Be easy to the root canal ground one's teeth in sleep, with it is easy to operate the characteristics of.
Description
Technical field
The utility model belongs to the type medical instrument for dental use that root canal is carried out to suffering from tooth, and in particular to one kind is used to treat mill
The root canal file of canalis radicis dentis.
Background technology
Dental pulp disease and periapical disease are the common diseases of the department of stomatology, and it is modern dentistry to preserve patient teeth, dental pulp
Therapeutic purposes, and root canal is current most common and maximally effective treatment method.The principle of root canal operation is by machine
Tool and chemical method remove most of infectious agent in root pipe, and by filling root pipe, closing bizet, prevent periapical disease
Become or promote the healing for the periapical lesion having occurred and that.
Root canal is generally comprised the steps：
First, root canal preparation：Marrow is opened, the pulp tissue of lesion necrosis is thoroughly understood, sono-explorer is measured, makees the expansion of root pipe；
2nd, root canal irrigation：The operation being repeated in root canal, the fine debris of organic matter in root pipe and will be machined away
The source of infection such as the tiny powder of sclerous tissues rinse well；
3rd, root canal disinfection：Drug disinfection is the most frequently used, is to dip in a little decoction with cotton sth. made by twisting to be placed in root pipe, hole temporarily envelope material
Material sealing；
4th, root canal deviation：It is last step of root canal therapy, is also most important step, mesh in root canal
It is preceding when participating in the cintest on commonly added with root canal filling agent and use gutta-percha point root canal filling, enable root canal system tight closure.
Root canal file is the reality of essential apparatus, such as Application No. 201220063983.X in endodontic procedure
A kind of medical root canal file, including handle and file pin are disclosed with new patent, handle is fixedly connected with file pin, the excircle of handle
Upper ring is furnished with least one integrally formed strip projected parts；A lacing hole is additionally provided with handle.
The utility model patent of Application No. 201020203645.2 discloses a kind of root canal file, and front end is blade, blade
It is fixed on by connecting portion on handle, blade is formed by the distortion of odd-shaped cross section cone, is designed with the both sides of the blade of root canal file pair
Helical edges carry out the cutting plane of cutting formation, and two cutting plane phases differ 180 °；Two, which cut pin plane, is designed as having one
Taper, its taper is consistent with the original taper of blade.
The utility model patent of Application No. 200620089851.9 discloses a kind of root canal file, including handle, in handle
One end is fixed with metal file body, and metal files body surface face covered with separating film layer, makes the metal part of metal file body not exposed, every
Thickness from film layer is 2-3 μm.
The utility model patent of Application No. 201220023702.8 discloses a kind of machine root canal file, and its front end is sword
Portion, blade is fixed on handle by connecting portion, and blade is formed by the distortion of odd-shaped cross section cone, has a ring in the connecting portion of root canal file
The groove of shape, connecting portion attenuates in the diameter of section of groove；The peak torque that groove can bear, which is less than blade, to hold
The peak torque received；Groove is located on connecting portion close to the position of handle.
The utility model patent of Application No. 200920133016.4 discloses a kind of elastic root canal file, by work department and handle
Portion is constituted, it is characterised in that symmetrical structure centered on the section of the work department, is provided with rear side of the cutting edge of the work department
Broadband, the angular range of work department cutting anterior angle is between 0-25 spend；The centrosymmetric structure in the work department section be three,
4th, five or six subcenter symmetrical structure, the work department has 3,4,5 or 6 head thread structures；The taper of work department is single cone
The combination of degree or more than 2 tapers, its range of taper is between 2% -12%；After the helical angle of the work department front end is more than
The helical angle at end；The work department and shank are formed in one structure or combined connecting structure；The work department is NiTi elasticity
Alloy, stainless steel or nonmetallic materials structure.
The length of the work department of existing root canal file is 21,25,28 and 31mm, tetra- kinds of specifications, in actual therapeutic work, by
It is limited in the opening and closing degree of human oral cavity, and in order to ensure the therapeutic effect of root pipe, it is impossible to shorten the length of blade, so as to cause
Tooth treating extremely difficult when oral cavity is ground one's teeth in sleep.For the ease of the root canal ground one's teeth in sleep, using in the prior art will
Mode that the handle of root canal file the shortens handle of 13mm length (will be originally shorten to 10mm), to improve the convenience that treatment is ground one's teeth in sleep
Property, reduce the labor intensity of medical worker.
However, the chuck size of the existing motor for being used to drive root canal file to rotate is fixed, it then becomes necessary to again
The motor of speciality is bought, it is this not only to cause the poor universality of root canal file, while reducing the utilization rate of equipment, cause resource
Waste.
Utility model content
The utility model causes the wasting of resources to solve poor universality, utilization rate of equipment and installations that existing root canal file is present
Problem, and a kind of root canal file for being used to treat molars root canalses is provided, special motor is not needed in use, is used
Existing motor is the root canal that can complete to grind one's teeth in sleep.The characteristics of having easy to operate simultaneously.
In order to solve the above technical problems, the technical scheme that the utility model is used is：
A kind of root canal file for being used to treat molars root canalses, including handle, the handle are connected with work department, and its feature exists
In the length of the work department is 17-19mm.
The work department includes blade and the connecting rod being connected with handle, and the blade is connected through connecting rod with handle, institute
The screw thread for stating blade is machined into by Nitinol.
The screw thread of the blade is the combination of single helical angle or the helical angle of more than 2.
The helical angle of the blade front end is less than the helical angle of rear end.
Silica gel indicating piece is arranged with the connecting rod.
The connecting rod is provided with least two circular scale line.
The toughness of the connecting rod is less than the toughness of blade.
The connecting rod is made by austenitic titanium alloy, and the blade is made by martensite Nitinol.
Compared with prior art, the utility model has the advantages that：
The root canal file of the present utility model for being used to treat molars root canalses, including handle, the handle are connected with work department, institute
The length for stating work department is 17-19mm, and special motor is not needed in use, is using existing motor
The root canal ground one's teeth in sleep can be completed.Be easy to the root canal ground one's teeth in sleep, with it is easy to operate the characteristics of.
The utility model not only increases the cross-sectional area of metal material, adds root pipe by changing the shape of blade
The anti-fracture property power and intensity of file, while the utility model also add the cutting power of root canal file, improve root canal
During root canal file practicality, tiny root pipe can be dredged.Existing small size stainless steel root canal file is solved to deposit
Low intensity, cutting power difference and the problem of anti-fracture property poor.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one；
Marked in figure：1st, handle, 2, silica gel indicating piece, 3, connecting rod, 4, blade.
Embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
A part of embodiment of type, is not whole embodiments.Based on the embodiment in the utility model, the ordinary skill people of this area
Other embodiments used that member is obtained under the premise of creative work is not made, belong to protection model of the present utility model
Enclose.
The root canal file of the present utility model for being used to treat molars root canalses, including handle, the handle are connected with work department, institute
The length for stating work department is 17-19mm.Special motor is not needed in use, is using existing motor
The root canal ground one's teeth in sleep can be completed.Be easy to the root canal ground one's teeth in sleep simultaneously, with it is easy to operate the characteristics of.
For the ease of forming industry standard, the length of work department is preferably set to 17mm and 19mm.
Work department of the present utility model includes blade 4 and the connecting rod 3 being connected with handle 1, and the blade 4 is through connecting rod 3
It is connected with handle 1, the screw thread of the blade is machined into by Nitinol.As a kind of preferred mode of the utility model,
The section of blade is triangular in shape, square or rectangle.
The screw thread of the blade is the combination of single helical angle or more than 2 helical angles.
The helical angle of the blade front end is less than the helical angle of rear end so that have different helical angles in diverse location,
Further improve cutting power of the present utility model.
As a kind of preferred mode of the utility model, silica gel indicating piece 2 is arranged with the connecting rod 3.
An at least circular scale line is offered in the connecting rod 3 so that the diameter of the connecting rod at scale is reduced, in behaviour
During work because moment of torsion is excessive or Reusability caused by metal fatigue when, root canal file groove be broken, facilitate doctor timely
Take out, so as to prevent blade fracture in tooth root pipe.
The root canal file of the present utility model for being used to treat molars root canalses, including handle, the handle are connected with work department, institute
The length for stating work department is 17-19mm, and special motor is not needed in use, is using existing motor
The root canal ground one's teeth in sleep can be completed.Be easy to the root canal ground one's teeth in sleep, with it is easy to operate the characteristics of.
The utility model not only increases the cross-sectional area of metal material, adds root pipe by changing the shape of blade
The anti-fracture property power and intensity of file, while the utility model also add the cutting power of root canal file, improve root canal
During root canal file practicality, tiny root pipe can be dredged.Existing small size stainless steel root canal file is solved to deposit
Low intensity, cutting power difference and the problem of anti-fracture property poor.
The toughness of the connecting rod is less than the toughness of blade.
The connecting rod is made by austenitic titanium alloy, and the blade is made by martensite Nitinol.
The toughness of connecting rod of the present utility model is less than the toughness of blade, during root pipe is treated, because the toughness of blade is better than
The toughness of connecting rod, it is possible to increase the centralized positioning ability filed with pipe, reduces apical transportation, reduces the risk of fracture, because
This bends in the presence of external force since blade, so that by the low amplitude of fluctuation of blade, the cleaning efficiency of root pipe is improved, from
And reduce the time of root canal.
Embodiment one
The root canal file for being used to treat molars root canalses of the present embodiment, including handle, the handle is connected with work department, described
The length of work department is 17-19mm.
Embodiment two
The root canal file for being used to treat molars root canalses of the present embodiment, including handle, the handle is connected with work department, described
The length of work department is 17-19mm；The work department includes blade and the connecting rod being connected with handle, and the blade is through connecting rod
It is connected with handle, the screw thread of the blade is machined into by Nitinol.
Embodiment three
The root canal file for being used to treat molars root canalses of the present embodiment, including handle, the handle is connected with work department, described
The length of work department is 17-19mm；The work department includes blade and the connecting rod being connected with handle, and the blade is through connecting rod
It is connected with handle, the screw thread of the blade is machined into by Nitinol；The screw thread of the blade is single helical angle or 2
The combination of helical angle above.
Example IV
The root canal file for being used to treat molars root canalses of the present embodiment, including handle, the handle is connected with work department, described
The length of work department is 17-19mm；The work department includes blade and the connecting rod being connected with handle, and the blade is through connecting rod
It is connected with handle, the screw thread of the blade is machined into by Nitinol；The helical angle of the blade front end is less than rear end
Helical angle.
Embodiment five
On the basis of any of the above-described embodiment, silica gel indicating piece is arranged with the connecting rod.
Embodiment six
On the basis of any of the above-described embodiment, the connecting rod is provided with least two circular scale line.
Embodiment seven
On the basis of embodiment two, the toughness of the connecting rod is less than the toughness of blade.
Embodiment eight
On the basis of embodiment seven, the connecting rod is made by austenitic titanium alloy, and the blade is by horse
Family name's body Nitinol is made.
Claims (3)
1. a kind of root canal file for being used to treat molars root canalses, including handle, the handle are connected with work department, it is characterised in that
The length of the work department is 17-19mm；The work department includes blade and the connecting rod being connected with handle, and the blade is through even
Extension bar is connected with handle, and the screw thread of the blade is machined into by Nitinol；The screw thread of the blade is single helical angle
Or the combination of the helical angle of more than 2；The helical angle of the blade front end is less than the helical angle of rear end.
2. the root canal file according to claim 1 for being used to treat molars root canalses, it is characterised in that be arranged in the connecting rod
There is silica gel indicating piece.
3. the root canal file according to claim 1 for being used to treat molars root canalses, it is characterised in that the connecting rod is provided with
At least one circular scale line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018002.4U CN206518609U (en) | 2016-08-31 | 2016-08-31 | A kind of root canal file for being used to treat molars root canalses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018002.4U CN206518609U (en) | 2016-08-31 | 2016-08-31 | A kind of root canal file for being used to treat molars root canalses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206518609U true CN206518609U (en) | 2017-09-26 |
Family
ID=59888184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621018002.4U Active CN206518609U (en) | 2016-08-31 | 2016-08-31 | A kind of root canal file for being used to treat molars root canalses |
Country Status (1)
| Country | Link |
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| CN (1) | CN206518609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111936080A (en) * | 2018-04-10 | 2020-11-13 | 马尼株式会社 | Dental file |
| CN113873965A (en) * | 2019-08-22 | 2021-12-31 | 马尼株式会社 | Dental root canal treatment instrument |
| US11890155B2 (en) | 2018-08-29 | 2024-02-06 | Mani, Inc. | Dental file |
-
2016
- 2016-08-31 CN CN201621018002.4U patent/CN206518609U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111936080A (en) * | 2018-04-10 | 2020-11-13 | 马尼株式会社 | Dental file |
| CN111936080B (en) * | 2018-04-10 | 2022-02-18 | 马尼株式会社 | Dental file |
| US11504211B2 (en) | 2018-04-10 | 2022-11-22 | Mani, Inc. | Dental file |
| US11890155B2 (en) | 2018-08-29 | 2024-02-06 | Mani, Inc. | Dental file |
| CN113873965A (en) * | 2019-08-22 | 2021-12-31 | 马尼株式会社 | Dental root canal treatment instrument |
| US11771522B2 (en) | 2019-08-22 | 2023-10-03 | Mani, Inc. | Dental root canal treatment instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180718 Address after: 610000 Chengdu, Sichuan Shuangliu District Southwest Airport Economic Development Zone, West Hang Kong Avenue 2401 Patentee after: Chengdu sunny medical instrument limited company Address before: 610000 Chengdu 4 Qingyang Road 2, 4, unit 5, No. 502, Shu Qing Road, Qingyang, Sichuan. Patentee before: Medical Devices Co., Ltd. of Hai Na Linkage of Sichuan Province |
|
| TR01 | Transfer of patent right |