CN109549716A - A kind of production method of gutta-percha point cutter and its head with function of flattening - Google Patents
A kind of production method of gutta-percha point cutter and its head with function of flattening Download PDFInfo
- Publication number
- CN109549716A CN109549716A CN201910035559.0A CN201910035559A CN109549716A CN 109549716 A CN109549716 A CN 109549716A CN 201910035559 A CN201910035559 A CN 201910035559A CN 109549716 A CN109549716 A CN 109549716A
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- China
- Prior art keywords
- gutta
- head
- metal
- ontology
- function
- 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.)
- Pending
Links
- 240000000342 Palaquium gutta Species 0.000 title claims abstract description 60
- 229920000588 gutta-percha Polymers 0.000 title claims abstract description 60
- 239000000899 Gutta-Percha Substances 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 104
- 239000002184 metal Substances 0.000 claims abstract description 102
- 210000003128 head Anatomy 0.000 claims description 58
- 210000000214 mouth Anatomy 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910001080 W alloy Inorganic materials 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 3
- 244000152100 Sorbus torminalis Species 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 201000004328 Pulpitis Diseases 0.000 description 1
- 206010037464 Pulpitis dental Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 208000007147 dental pulp necrosis Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 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
- A61C5/50—Implements for filling root canals; Methods or instruments for medication of tooth nerve channels
- A61C5/55—Implements for filling root canals; Methods or instruments for medication of tooth nerve channels with heating means, e.g. for heating gutta percha
Abstract
The invention discloses a kind of gutta-percha point cutters with function of flattening, including ontology and head, the ontology front end is equipped with the mounting hole for installing the head, it is equipped in the mounting hole for conductive metal clips, the head includes the symmetrical metal component of two valves, insulating layer is equipped between the metal component described in two valves, metal component described in two valves is cylindric with the front end that the insulating layer is constituted, it is connected between the front end of metal component described in two valves using sheet metal, the resistance of the sheet metal is greater than the resistance of the metal component, the head rear end is inserted into the mounting hole, metal component described in two valves is connected with the metal clips respectively, the present invention can effectively solve the problems, such as that electrothermal gutta-percha point cutter in the prior art directly cannot flatten gutta-percha after cutting off gutta-percha point.
Description
Technical field
The present invention relates to type medical instrument for dental use field more particularly to a kind of gutta-percha point cutter with function of flattening and its
The production method on head.
Background technique
It usually requires to carry out tooth with gutta-percha point when saprodontia, pulpitis or pulp necrosis occurs in the tooth of people
It is permanently filled after emedullating, first the taper of the root canal of tooth is expanded using dental handpiece, then gutta-percha point is filled in canalis radicis dentis,
Since gutta-percha point is thinner, 3-15 root gutta-percha point can be usually filled, existing gutta-percha point cutter generallys use heat accumulating type, by tooth
The head of glue cutter is heated ten seconds or so on alcolhol burner, is then cut off gutta-percha point with the head of gutta-percha cutter, still
Since the heat loss of cutter at normal temperature is very fast, disposably whole gutta-perchas can not be cut off, so needing to carry out multiple
Operation can just cut off the whole of all gutta-percha points, and the pressing after heating using head is also needed after cutting off gutta-percha point
Tool flattens the section of gutta-percha；It is heating wire that electrothermal gutta-percha cutter on the market, which has head, can heated
After can cut off gutta-percha point, but also need in addition using head heating after pressing tool the section of gutta-percha is pressed
It is flat, it is cumbersome.
Summary of the invention
It is an object of the invention to propose the production method of a kind of gutta-percha point cutter with function of flattening and its head,
To solve the problems, such as that existing electrothermal gutta-percha cutter cannot flatten gutta-percha point.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of gutta-percha point cutter with function of flattening, including ontology and head, the ontology front end are equipped with for pacifying
The mounting hole on the head is filled, is equipped in the mounting hole for conductive metal clips, the head includes that two valves are mutually right
The metal component of title is equipped with insulating layer, metal component described in two valves and the insulating layer institute between the metal component described in two valves
The front end of composition be it is cylindric, between the front end of metal component described in two valves using sheet metal be connected to, the sheet metal
Resistance be greater than the resistance of the metal component, the head rear end is inserted into the mounting hole, metal component described in two valves point
It is not connected with the metal clips.
Preferably, the sheet metal is made of tungsten, molybdenum, tungsten alloy or molybdenum alloy.
Preferably, the ontology is cylindric, is the first folder between the front end face on the head and the axis of the ontology
Angle, first angle are 30 ° -60 °.
Preferably, the ontology includes shell, battery, controller and heat button, and the battery and the controller are set
It sets in the enclosure interior, the heat button is arranged on the surface of the shell, and the battery is electrically connected with the controller
It connects, the controller is electrically connected with the metal clips and the heat button respectively.
Preferably, the ontology further includes LED light and switch button, and the front end face of the ontology is arranged in the LED light
On, on the housing, the LED light and the switch button are electrically connected with the controller respectively for the switch button setting
It connects.
Preferably, the outer wall of the shell is along the axis direction of the ontology at least provided with two oral cavity mirror supports.
Preferably, the rear end of the ontology is equipped with USB charging module, and the USB charging module is electrically connected with the battery.
Preferably, the back end circumference on the head is equipped with guide groove, is equipped with corresponding protrusion in the mounting hole.
Preferably, the medial surface of the metal component is equipped with anti-skid chequer or anti-slip hole.
A kind of production method on the head of the gutta-percha cutter with function of flattening, comprising the following steps:
Step 1, stainless steel raw material is cast or is struck out symmetrical metal component, and carry out but burr and handle；
Step 2, two valve metal components are fixed, sheet metal is welded between two valve metal components；
Step 3, two valve metal components are put into mold, zirconia slurry is then injected into mold, by two metals
Gap between component is filled up；
Step 4, after zirconium slurry curing to be oxidized, the head of gutta-percha cutter is removed from the molds.
The beneficial effects of the present invention are: head both sides can play conductive effect using metal component, in metal component
Between setting insulating layer can make mutually insulated between two valve metal components, can only be connected to by sheet metal, work as metal clips
When powering on, the load in circuit is smaller, and electric current is larger, since the resistance of sheet metal is maximum in the loop, can make circuit
In heat concentrate on sheet metal, and be transmitted to the front end column part on head, column part temperature made to reach 70 DEG C -80
DEG C, and the softening temperature of gutta-percha point is lower, between 40 DEG C -70 DEG C, so at this time by the circle of the head front end of gutta-percha cutter
Post part, which is put into gutta-percha point side, so that gutta-percha point is softened, and can be cut off gutta-percha point using the edge of column part, then
The gutta-percha point after cutting can be flattened using the end face of column part, fill up gutta-percha point by the hole of dental surface；By
It only generates heat in front end in entire gutta-percha point cutter, so rate of warming is very fast, and the rear end temperature on head is lower, so grasping
As when be not easy to scald patient, performer can also more easily operate；Certainly, since head is inserted into the installation of ontology
In hole, when needing to replace other heads, the head in mounting hole can be taken out, then other head is inserted into mounting hole
Replacement inside can be completed, the front end on other heads can be flat, cusp-shaped etc., to help performer to realize different function
Energy.
Detailed description of the invention
The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.
Fig. 1 be the present invention one of them the schematic cross-section of the embodiment of mouth mirror is installed；
Fig. 2 is the vertical view enlarged structure schematic diagram of the one of embodiment of the present invention
Fig. 3 is the head enlarged structure schematic diagram of the one of embodiment of the present invention；
Wherein: ontology 100, shell 101, battery 102, controller 103, heat button 104, LED light 105, switch button
106, oral cavity mirror support 107, USB charging module 108, raised 109, head 200, metal component 201, insulating layer 202, metal foil
Piece 203, guide groove 204, metal clips 300, mouth mirror 400, the first angle α.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of gutta-percha point cutter with function of flattening, including ontology 100 and head 200,100 front end of ontology are set
There is the mounting hole for installing the head 200, is equipped in the mounting hole for conductive metal clips 300, the head
200 include the symmetrical metal component 201 of two valves, is equipped with insulating layer 202, two valves between the metal component 201 described in two valves
The front end that the metal component 201 and the insulating layer 202 are constituted be it is cylindric, before metal component 201 described in two valves
It is connected between end using sheet metal 203, the resistance of the sheet metal is greater than the resistance of the metal component, the head
200 rear ends are inserted into the mounting hole, and metal component 201 described in two valves is connected with the metal clips 300 respectively.
200 both sides of head can play conductive effect using metal component 201, be arranged between metal component 201 exhausted
Edge layer 202 can make mutually insulated between two valve metal components 201, can only be connected to by sheet metal 203, work as metal clips
300 when powering on, and the load in circuit is smaller, and electric current is larger, since the resistance of sheet metal is maximum in the loop, can make electricity
Heat in road concentrates on sheet metal 203, and is transmitted to the front end column part on head 200, reaches column part temperature
To 70 DEG C -80 DEG C, and the softening temperature of gutta-percha point is lower, between 40 DEG C -70 DEG C, so at this time by the head of gutta-percha cutter
The column part of 200 front ends, which is put into gutta-percha point side, so that gutta-percha point is softened, can be by gutta-percha using the edge of column part
Point cutting, then the gutta-percha point after cutting can be flattened, allow gutta-percha point by dental surface using the end face of column part
Hole fill up；Since entire gutta-percha point cutter only generates heat in front end, so rate of warming is very fast, and the rear end temperature on head 200
Spend lower, so being not easy to scald patient in operation, performer can also more easily be operated；Certainly, due to head
200 are inserted into the mounting hole of ontology 100, can be by the head 200 in mounting hole when needing to replace other heads 200
Take out, then other head 200 be inserted into mounting hole, replacement can be completed, the front end on other heads 200 can be it is flat,
Cusp-shaped etc., to help performer to realize different functions.
The sheet metal 203 is made of tungsten, molybdenum, tungsten alloy or molybdenum alloy.
Sheet metal 203 is made of tungsten, molybdenum, tungsten alloy or molybdenum alloy can have higher resistivity, temperature tolerance
And hardness, keep the resistance of sheet metal 203 in the loop maximum, so that the calorific value of circuit can concentrate on sheet metal 203
On, have the advantages that higher hardness can make sheet metal be unlikely to deform and damage.
The ontology 100 is cylindric, is the first folder between the front end face on the head and the axis of the ontology 100
Angle, first angle are 30 ° -60 °.
When being performed the operation due to tooth of the performer to patient, since the space of operation is limited, so needing head 200
Front end face be arranged to it is angled with 200 axis of head, can be convenient performer by gutta-percha point cut off or flatten.
The ontology 100 includes shell 101, battery 102, controller 103 and heat button 104, the battery 102 and institute
It states controller 103 to be arranged inside the shell 101, the heat button 104 is arranged on the surface of the shell 101, institute
It states battery 102 to be electrically connected with the controller 103, the controller 103 is pressed with the metal clips 300 and the heating respectively
Button 104 is electrically connected.
When pressing heat button 104, controller 103 connects the positive and negative anodes of battery 102 with two metal clips 300 respectively
It is logical, and be formed into a loop with two metal sheet elements and tungsten wire on head 200, so that head 200 is heated up；When press again heating by
When button 104, the connection of battery 102 Yu metal clips 300 can be disconnected, stops heating.
The ontology 100 further includes LED light 105 and switch button 106, and the LED light 105 is arranged in the ontology 100
Front end face on, the switch button 106 is arranged on the shell 101, and the LED light 105 and the switch button 106 divide
It is not electrically connected with the controller 103.
When the tooth to patient is performed the operation, since intraoral light is poor, so in addition additional illumination is needed,
But since the space in oral cavity is smaller, external light source is easy the blocking for hand by performer and can not shine oral cavity
It is bright, so needing for light source to extend into oral cavity；Due to cut off or flatten gutta-percha point when ontology 100 be protrude into it is intraoral,
So a LED light 105, which is arranged, in the front end of ontology 100 can provide illumination for operation；Switch button 106 can control LED
The switch of lamp 105, performer can according to need to open or close LED light 105.
The outer wall of the shell 101 along the ontology 100 axis direction at least provided with two oral cavity mirror supports 107.
Since intraoral space is smaller, when being performed the operation, the sight of performer is easy to stop, it usually needs uses mouth
Hysteroscope 400 is come the case where observing tooth, oral cavity mirror support 107, which is arranged, on ontology 100 can be fixed on ontology for mouth mirror 400
On 100, the tooth performed the operation is observed with can be convenient when being performed the operation.
The rear end of the ontology 100 is equipped with USB charging module 108, the USB charging module 108 and 102 electricity of battery
Connection.
USB charging module 108 can charge to battery 102, can pass through USB when the electricity of battery 102 is finished
Charging module 108 charges to battery 102, can be recycled, more convenient and environmentally friendly compared to general dry battery 102 is used.
The back end circumference on the head 200 is equipped with guide groove 204, is equipped with corresponding raised 109 in the mounting hole.
Guide groove 204 can play fixed effect, prevent head 200 can be around ontology when cutting off or flattening gutta-percha point
Mounting hole rotation on 100, while head 200 can also be allow two metal components 201 are respectively aligned to metal during installation
Elastic slice 300 keeps the angle of installation more accurate.
The medial surface of the metal component 201 is equipped with anti-skid chequer or anti-slip hole.
Metal component 201 is to be adhesively fixed with insulating layer 202, so being equipped on the medial surface of metal component 201 anti-skidding
Line or anti-slip hole can increase the contact area of metal component 201 Yu insulating layer 202, improve bonding force, prevent metal component 201
It is separated with insulating layer 202 since bonding force is insufficient.
A kind of production method on the head of the gutta-percha cutter with function of flattening, comprising the following steps:
Step 1, stainless steel raw material is cast or is struck out symmetrical metal component 201, and carry out but burr and handle；
Step 2, two valve metal components 201 are fixed, sheet metal 203 is welded between two valve metal components 201；
Step 3, two valve metal components 201 are put into mold, zirconia slurry is then injected into mold, by gold between two
Gap between metal elements 201 is filled up；
Step 4, after zirconium slurry curing to be oxidized, the head 200 of gutta-percha cutter is removed from the molds.
It is relatively low to form production cost that two valve metal components 201 are respectively adopted the method for casting or punching press, it will be golden
Belonging to thin slice 203 to be welded on two valve metal components 201, sheet metal 203 can be connected to two valve metal components 201 respectively, when
When two valve metal components 201 are powered, sheet metal 203 can be made to be powered and heated up；Oxidation is used between two valve metal components 201
Zirconium can have preferable insulating properties and adhesiveness as insulating materials, and hardness is higher, can be fixed by sheet metal 203
In zirconium oxide, it is not easy to be broken in use.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of gutta-percha point cutter with function of flattening, which is characterized in that including ontology and head, the ontology front end is set
There is the mounting hole for installing the head, is equipped in the mounting hole for conductive metal clips, the head includes two
The symmetrical metal component of valve, is equipped with insulating layer between the metal component described in two valves, metal component described in two valves with it is described
The front end that insulating layer is constituted be it is cylindric, between the front end of metal component described in two valves using sheet metal be connected to, it is described
The resistance of sheet metal is greater than the resistance of the metal component, and the head rear end is inserted into the mounting hole, gold described in two valves
Metal elements are connected with the metal clips respectively.
2. a kind of gutta-percha point cutter with function of flattening according to claim 1, which is characterized in that the metal foil
Piece is made of tungsten, molybdenum, tungsten alloy or molybdenum alloy.
3. a kind of gutta-percha point cutter with function of flattening according to claim 1, which is characterized in that the ontology is
It is cylindric, it is the first angle between the front end face on the head and the axis of the ontology, first angle is 30 ° -60 °.
4. a kind of gutta-percha point cutter with function of flattening according to claim 1, which is characterized in that the ontology packet
Shell, battery, controller and heat button are included, the battery and the controller are arranged in the enclosure interior, the heating
Button is arranged on the surface of the shell, and the battery is electrically connected with the controller, the controller respectively with the gold
Belong to elastic slice and heat button electrical connection.
5. a kind of gutta-percha point cutter with function of flattening according to claim 4, which is characterized in that the ontology is also
Including LED light and switch button, the LED light is arranged on the front end face of the ontology, and the switch button is arranged described
On shell, the LED light and the switch button are electrically connected with the controller respectively.
6. a kind of gutta-percha point cutter with function of flattening according to claim 4, which is characterized in that the shell
Outer wall along the ontology axis direction at least provided with two oral cavity mirror supports.
7. a kind of gutta-percha point cutter with function of flattening according to claim 4, which is characterized in that the ontology
Rear end is equipped with USB charging module, and the USB charging module is electrically connected with the battery.
8. a kind of gutta-percha point cutter with function of flattening according to claim 1, which is characterized in that the head
Back end circumference is equipped with guide groove, is equipped with corresponding protrusion in the mounting hole.
9. a kind of gutta-percha point cutter with function of flattening according to claim 1, which is characterized in that the metal structure
The medial surface of part is equipped with anti-skid chequer or anti-slip hole.
10. a kind of production method on the head of the gutta-percha cutter with function of flattening, which comprises the following steps:
Step 1, stainless steel raw material is cast or is struck out symmetrical metal component, and carry out but burr and handle；
Step 2, two valve metal components are fixed, sheet metal is welded between two valve metal components；
Step 3, two valve metal components are put into mold, zirconia slurry is then injected into mold, by two metal components
Between gap fill up；
Step 4, after zirconium slurry curing to be oxidized, the head of gutta-percha cutter is removed from the molds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035559.0A CN109549716A (en) | 2019-01-15 | 2019-01-15 | A kind of production method of gutta-percha point cutter and its head with function of flattening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910035559.0A CN109549716A (en) | 2019-01-15 | 2019-01-15 | A kind of production method of gutta-percha point cutter and its head with function of flattening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109549716A true CN109549716A (en) | 2019-04-02 |
Family
ID=65873013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910035559.0A Pending CN109549716A (en) | 2019-01-15 | 2019-01-15 | A kind of production method of gutta-percha point cutter and its head with function of flattening |
Country Status (1)
| Country | Link |
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| CN (1) | CN109549716A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082940A (en) * | 1976-03-11 | 1978-04-04 | Eldon Industries, Inc. | Soldering iron with replaceable heating element and a grounded handle and components thereof |
| US6270343B1 (en) * | 2000-01-07 | 2001-08-07 | Howard Martin | Endodontic thermal condenser dental instrument |
| KR200382194Y1 (en) * | 2004-12-29 | 2005-04-19 | 대륭전자(주) | A endodontic treatment gutta percha cutter for dental |
| CN201211244Y (en) * | 2008-07-08 | 2009-03-25 | 北京达雅鼎医疗器械有限公司 | Gutta-percha point cutter |
| KR20110017753A (en) * | 2009-08-14 | 2011-02-22 | (주)디엑스엠 | A canal pluger for dental clinic |
| CN202477882U (en) * | 2012-03-08 | 2012-10-10 | 侯晓雷 | Gutta-percha point cutting filler |
| CN104772544A (en) * | 2014-01-14 | 2015-07-15 | 蔡荣发 | Simple electric heating tool and heating device thereof |
| CN209678715U (en) * | 2019-01-15 | 2019-11-26 | 冯远华 | A kind of gutta-percha point cutter with function of flattening |
-
2019
- 2019-01-15 CN CN201910035559.0A patent/CN109549716A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082940A (en) * | 1976-03-11 | 1978-04-04 | Eldon Industries, Inc. | Soldering iron with replaceable heating element and a grounded handle and components thereof |
| US6270343B1 (en) * | 2000-01-07 | 2001-08-07 | Howard Martin | Endodontic thermal condenser dental instrument |
| KR200382194Y1 (en) * | 2004-12-29 | 2005-04-19 | 대륭전자(주) | A endodontic treatment gutta percha cutter for dental |
| CN201211244Y (en) * | 2008-07-08 | 2009-03-25 | 北京达雅鼎医疗器械有限公司 | Gutta-percha point cutter |
| KR20110017753A (en) * | 2009-08-14 | 2011-02-22 | (주)디엑스엠 | A canal pluger for dental clinic |
| CN202477882U (en) * | 2012-03-08 | 2012-10-10 | 侯晓雷 | Gutta-percha point cutting filler |
| CN104772544A (en) * | 2014-01-14 | 2015-07-15 | 蔡荣发 | Simple electric heating tool and heating device thereof |
| CN209678715U (en) * | 2019-01-15 | 2019-11-26 | 冯远华 | A kind of gutta-percha point cutter with function of flattening |
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