CN109498187B - Tooth root file - Google Patents
Tooth root file Download PDFInfo
- Publication number
- CN109498187B CN109498187B CN201811625529.7A CN201811625529A CN109498187B CN 109498187 B CN109498187 B CN 109498187B CN 201811625529 A CN201811625529 A CN 201811625529A CN 109498187 B CN109498187 B CN 109498187B
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- CN
- China
- Prior art keywords
- file body
- file
- cavity
- hole
- wall
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 210000004746 tooth root Anatomy 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims 1
- 210000004262 dental pulp cavity Anatomy 0.000 abstract description 27
- 210000005036 nerve Anatomy 0.000 abstract description 24
- 238000004140 cleaning Methods 0.000 abstract description 7
- 230000007423 decrease Effects 0.000 abstract description 4
- 230000002421 anti-septic effect Effects 0.000 abstract 3
- 239000000645 desinfectant Substances 0.000 description 12
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 206010017711 Gangrene Diseases 0.000 description 1
- 239000000899 Gutta-Percha Substances 0.000 description 1
- 206010028851 Necrosis Diseases 0.000 description 1
- 240000000342 Palaquium gutta Species 0.000 description 1
- 201000004328 Pulpitis Diseases 0.000 description 1
- 206010037464 Pulpitis dental Diseases 0.000 description 1
- 206010062544 Tooth fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229920000588 gutta-percha Polymers 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurosurgery (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to a tooth root file, a cavity is arranged at the center of a file body, a through hole communicated with the cavity is arranged on the outer wall of the file body, the radius of the through hole gradually decreases from the outer wall of the file body to the inner wall of the file body, the through hole is a round table-shaped hole, one end with a large radius of the round table-shaped hole faces outwards, then an annular cutting edge is formed at a position corresponding to the through hole on the file body, the cutting edge is positioned on the inner wall of the file body, after the file body enters a tooth root canal, a tooth nerve is extruded and enters the cavity from the through hole, the file body is rotated, and the cutting edge shears the tooth nerve, so that pain of a patient is reduced; the outer wall surface of the file body is smoother, when the file body is pulled out, the resistance born by the file body is smaller, the file body is convenient to pull out, and the file body can not pull the dental nerve, so that the pain of a patient is relieved; the cavity runs through the handle and the file body, can connect the antiseptic solution pipe on the handle, lets in antiseptic solution to the cavity in, and the antiseptic solution can dash out the root canal that presses with the tooth nerve that cuts, and the cleanness of root canal is more thorough, and the cleaning efficiency of root file is higher.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tooth root file.
Background
The root canal treatment is an ideal and mature treatment method for treating various pulpitis, pulpal necrosis, gangrene, tooth fracture and other diseases at present. The main process is to clean the inside of the lesion root canal and the root canal wall thoroughly by using a root canal file, remove the dental nerve, mold a complete and smooth root canal cavity, and then fill other materials such as gutta-percha points and the like in the formed root canal so as to achieve the purposes of repairing and treating the root canal.
The root canal file is one of the important root canal therapeutic apparatuses for filing the inner side wall of a root canal to form or remove residual marrow in the root canal and remove scraps. The Chinese patent of patent number CN200620089849.1, root file, discloses a polymer structure of root file as follows: comprises a plastic or wooden handle, wherein one end of the handle is fixedly provided with a spiral metal file body, and the metal file body is made of NiTi memory alloy into a spiral needle shape. When the metal file body is used, the needle-shaped metal file body is used for hooking the dental nerves in the dental root canal, when the metal file body is pulled outwards, the dental nerves are pulled out, the method for directly pulling out the dental nerves is large in pain born by patients, physiological and psychological burdens of the patients are heavy, in the process of pulling out the dental nerves, the dental nerves are easy to unhook or fracture, only a small amount of dental nerves are brought out after the metal file body is pulled out, the use efficiency of the dental file is low, and the pain time of the patients is long.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems that the traditional tooth root file directly pulls out the dental nerve from the root canal, the pain born by a patient is large, and the physiological and endocardial burden of the patient is heavy, the tooth root file is provided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a root file, includes the handle and fixes the file body in handle one end, the cavity has been seted up at the center of file body, the cavity runs through handle and file body, set up the through-hole of a plurality of intercommunication cavitys on the outer wall of file body, the radius of through-hole reduces gradually to the inner wall of file body by the outer wall of file body.
According to the tooth root file, the cavity is formed in the center of the file body, the through hole communicated with the cavity is formed in the outer wall of the file body, the radius of the through hole gradually decreases from the outer wall of the file body to the inner wall of the file body, the through hole is a round table-shaped hole, one end of the large radius of the round table-shaped hole faces outwards, then an annular cutting edge is formed at a position corresponding to the through hole on the file body, the cutting edge is positioned on the inner wall of the file body, after the file body enters a tooth root canal, a tooth nerve is extruded and enters the cavity through the through hole, the file body is rotated, and the cutting edge shears the tooth nerve, so that pain of a patient is reduced; the outer wall surface of the file body is smoother, when the file body is pulled out, the resistance born by the file body is smaller, the file body is convenient to pull out, and the file body can not pull the dental nerve, so that the pain of a patient is relieved; the cavity penetrates the handle and the file body, an air pipe can be connected to the handle, air is introduced into the cavity, the file body can be ejected out, the file body is conveniently pulled out, and pain of a patient is reduced; the handle can be connected with a disinfectant pipe, the disinfectant is introduced into the cavity, and the disinfectant can flow into the root canal from each through hole, so that the interior of the root canal and the tooth root file are disinfected, the disinfectant can wash the sheared dental nerve out of the root canal, the cleaning of the root canal is thorough, and the cleaning efficiency of the tooth root file is high.
Further, the through holes are divided into a plurality of columns, the through holes in the same column are uniformly distributed at intervals along the length direction of the file body, and the through holes in two adjacent columns are staggered.
Further, the through holes are spirally arranged along the length direction of the file body.
Further, the through holes are arranged in a double-spiral structure along the length direction of the file body.
In order to facilitate connection of the handle with the air pipe or the disinfection pipe, a connecting threaded hole is formed in one end, away from the file body, of the handle, and the connecting threaded hole is communicated with the cavity.
In order to enable the incision to shear diseased tissue more quickly, the file body is made of cemented carbide.
The tooth root file has the beneficial effects that the cavity is formed in the center of the file body, the through hole communicated with the cavity is formed in the outer wall of the file body, the radius of the through hole gradually decreases from the outer wall of the file body to the inner wall of the file body, the through hole is a round table-shaped hole, one end of the large radius of the round table-shaped hole faces outwards, then an annular cutting edge is formed at the position corresponding to the through hole on the file body, the cutting edge is positioned on the inner wall of the file body, after the file body enters a root canal, a dental nerve enters the cavity through the through hole after being extruded, the file body is rotated, and the cutting edge shears the dental nerve, so that pain of a patient is reduced; the outer wall surface of the file body is smoother, when the file body is pulled out, the resistance born by the file body is smaller, the file body is convenient to pull out, and the file body can not pull the dental nerve, so that the pain of a patient is relieved; the cavity penetrates the handle and the file body, an air pipe can be connected to the handle, air is introduced into the cavity, the file body can be ejected out, the file body is conveniently pulled out, and pain of a patient is reduced; the handle can be connected with a disinfectant pipe, the disinfectant is introduced into the cavity, and the disinfectant can flow into the root canal from each through hole, so that the interior of the root canal and the tooth root file are disinfected, the disinfectant can wash the sheared dental nerve out of the root canal, the cleaning of the root canal is thorough, and the cleaning efficiency of the tooth root file is high.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a three-dimensional schematic of example 1 of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
fig. 3 is a front view of embodiment 1 of the present invention;
FIG. 4 is a two-dimensional cross-sectional view of embodiment 1 of the present invention;
FIG. 5 is a three-dimensional schematic of example 2 of the present invention;
fig. 6 is a three-dimensional schematic of embodiment 3 of the present invention.
In the figure: 1. the handle, 1-1, connecting screw hole, 2, file body, 2-1, cavity, 2-2, through hole, 2-2-1, blade.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
Example 1:
the tooth root file as shown in fig. 1 and 3 comprises a handle 1 and a file body 2 fixed at one end of the handle 1, wherein the file body 2 can be cylindrical or conical, the file body 2 is made of cemented carbide, a cavity 2-1 is formed in the center of the file body 2, the cavity 2-1 penetrates through the handle 1 and the file body 2, a plurality of through holes 2-2 communicated with the cavity 2-1 are formed in the outer wall of the file body 2, the radius of the through holes 2-2 is gradually reduced from the outer wall of the file body 2 to the inner wall of the file body 2, a plurality of through holes 2-2 are divided into a plurality of columns, the through holes 2-2 positioned in the same column are uniformly distributed along the length direction of the file body 2 at intervals, and the through holes 2-2 in two adjacent columns are staggered as shown in fig. 4. One end of the handle 1, which is far away from the file body 2, is provided with a connecting threaded hole 1-1, and the connecting threaded hole 1-1 is communicated with the cavity 2-1.
According to the tooth root file, the cavity 2-1 is formed in the center of the file body 2, the through hole 2-2 communicated with the cavity 2-1 is formed in the outer wall of the file body 2, the radius of the through hole 2-2 gradually decreases from the outer wall of the file body 2 to the inner wall of the file body 2, the through hole 2-2 is a round table-shaped hole, one end of the large radius of the round table-shaped hole faces outwards, then an annular cutting edge 2-2-1 is formed in the file body 2 at a position corresponding to the through hole 2-2, as shown in fig. 2, the cutting edge 2-2-1 is positioned on the inner wall of the file body 2, after the file body 2 enters a tooth root canal, a tooth nerve is extruded and then enters the cavity 2-1 from the through hole 2-2, the file body 2 is rotated, and the cutting edge 2-2-1 shears the tooth nerve, so that pain of a patient is reduced; the outer wall surface of the file body 2 is smoother, when the file body 2 is pulled out, the resistance born by the file body 2 is smaller, the file body 2 is convenient to pull out, and the file body 2 can not pull the dental nerve, so that pain of patients is relieved; the cavity 2-1 penetrates through the handle 1 and the file body 2, an air pipe can be connected to the handle 1, air is introduced into the cavity 2-1, the file body 2 can be ejected, the file body 2 is conveniently pulled out, and pain of a patient is reduced; the handle 1 can also be connected with a disinfectant pipe, the disinfectant is introduced into the cavity 2-1, and the disinfectant can flow into the root canal from each through hole 2-2, so that the interior of the root canal and the tooth root file are disinfected, the disinfectant can wash the sheared dental nerve out of the root canal, the cleaning of the root canal is thorough, and the cleaning efficiency of the tooth root file is high.
Example 2:
example 2 of the present invention differs from example 1 only in that: as shown in fig. 5, the plurality of through holes 2-2 are spirally arranged along the length direction of the file body 2.
Example 3:
example 3 of the present invention differs from example 1 only in that: as shown in fig. 6, the through holes 2-2 are arranged in a double-spiral structure along the length direction of the file body 2, and the structure is in a spiral shape with two different spiral directions.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. A tooth root file, includes handle (1) and fixes file body (2) in handle (1) one end, its characterized in that: the file comprises a file body (2), a handle (1) and a file body (2), wherein the center of the file body (2) is provided with a cavity (2-1), the cavity (2-1) penetrates through the handle (1) and the file body (2), the outer wall of the file body (2) is provided with a plurality of through holes (2-2) communicated with the cavity (2-1), and the radius of each through hole (2-2) is gradually reduced from the outer wall of the file body (2) to the inner wall of the file body (2); the through holes (2-2) are divided into a plurality of columns, the through holes (2-2) in the same column are uniformly distributed at intervals along the length direction of the file body (2), and the through holes (2-2) in two adjacent columns are staggered; the through holes (2-2) are spirally arranged along the length direction of the file body (2).
2. The dental root file of claim 1, wherein: the through holes (2-2) are arranged in a double-spiral structure along the length direction of the file body (2).
3. The dental root file of claim 2, wherein: one end of the handle (1) far away from the file body (2) is provided with a connecting threaded hole (1-1), and the connecting threaded hole (1-1) is communicated with the cavity (2-1).
4. The dental root file of claim 2, wherein: the file body (2) is made of hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625529.7A CN109498187B (en) | 2018-12-28 | 2018-12-28 | Tooth root file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625529.7A CN109498187B (en) | 2018-12-28 | 2018-12-28 | Tooth root file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109498187A CN109498187A (en) | 2019-03-22 |
| CN109498187B true CN109498187B (en) | 2024-02-09 |
Family
ID=65756789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811625529.7A Active CN109498187B (en) | 2018-12-28 | 2018-12-28 | Tooth root file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109498187B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299571A (en) * | 1979-08-03 | 1981-11-10 | Inventive Technology International, Inc. | Dental file |
| US5658149A (en) * | 1993-05-26 | 1997-08-19 | Munce; C. John | Dedicated channel for root canal access |
| CN2559328Y (en) * | 2002-08-21 | 2003-07-09 | 蒋逸洲 | Nickel-titanium alloy dental root file |
| CN203493754U (en) * | 2013-10-11 | 2014-03-26 | 王金英 | Device used for endodontic treatment of oral medicines |
| CN108784856A (en) * | 2018-05-31 | 2018-11-13 | 王明海 | A kind of department of stomatology canalis radicis dentis cleaning file |
| CN208114663U (en) * | 2017-11-22 | 2018-11-20 | 有研医疗器械（北京）有限公司 | A kind of deformable nickel-titanium instruments |
| CN210077898U (en) * | 2018-12-28 | 2020-02-18 | 常州迈帝浦医疗科技有限公司 | Tooth root file |
-
2018
- 2018-12-28 CN CN201811625529.7A patent/CN109498187B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299571A (en) * | 1979-08-03 | 1981-11-10 | Inventive Technology International, Inc. | Dental file |
| US5658149A (en) * | 1993-05-26 | 1997-08-19 | Munce; C. John | Dedicated channel for root canal access |
| CN2559328Y (en) * | 2002-08-21 | 2003-07-09 | 蒋逸洲 | Nickel-titanium alloy dental root file |
| CN203493754U (en) * | 2013-10-11 | 2014-03-26 | 王金英 | Device used for endodontic treatment of oral medicines |
| CN208114663U (en) * | 2017-11-22 | 2018-11-20 | 有研医疗器械（北京）有限公司 | A kind of deformable nickel-titanium instruments |
| CN108784856A (en) * | 2018-05-31 | 2018-11-13 | 王明海 | A kind of department of stomatology canalis radicis dentis cleaning file |
| CN210077898U (en) * | 2018-12-28 | 2020-02-18 | 常州迈帝浦医疗科技有限公司 | Tooth root file |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109498187A (en) | 2019-03-22 |
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