CN206777406U - A kind of nickel-titanium file root canal preparation equipment - Google Patents
A kind of nickel-titanium file root canal preparation equipment Download PDFInfo
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- CN206777406U CN206777406U CN201720030354.XU CN201720030354U CN206777406U CN 206777406 U CN206777406 U CN 206777406U CN 201720030354 U CN201720030354 U CN 201720030354U CN 206777406 U CN206777406 U CN 206777406U
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- root canal
- nickel
- canal preparation
- liquid pump
- preparation equipment
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2201/00—Material properties
- A61C2201/007—Material properties using shape memory effect
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of nickel-titanium file root canal preparation equipment, the root canal preparation equipment includes:NiTi provisioned systems and flushing system.NiTi provisioned systems include nickel-titanium file (1), mobile phone head (2), handset (3), electro-motor (4), power controller (5);The flushing system includes:Conduit (6), liquid pump (8), liquid pump controller (9).Misleading be present to root canal preparation method in the theoretical research in terms of inventor of the present utility model has found existing root canal preparation in practice, existing NiTi root canal preparation is caused to use drilled dry mode, but, practice test through inventor is found, in root canal preparation, if addition current rinse the service life that can greatly prolong nickel-titanium file, therefore, inventor is prepared for corresponding root canal preparation equipment.
Description
Technical field
It the utility model is related to a kind of dental care equipment, and in particular to a kind of nickel for being cleared up tooth root pipe
Titanium files root canal preparation equipment.
Background technology
Machine is various with NiTi system and apparatus species at present, and market is applied increasingly extensive at home, but uses any system
The rotary NiTi-instruments of system have the potential risk of instrument fracture, temporarily show the most ambassador of NiTi instruments without clearly research
Use number.Although disposable machine NiTi product is suggested by most external tooth body dental pulp doctor and producer, with current China
Oral medical environment, do not reach this standard temporarily.
Nickel-titanium file is typically using fracture is often easy for after for several times, (such as Peng Bin researchs show that ProTaper is filed at present
S1 can prepare 25 labial teeths, 12 premolar teeths and 2 grind one's teeth in sleep;And other models can prepare 50 labial teeths, 20 premolar teeths and 4
It is individual to grind one's teeth in sleep【4】), and the cost of nickel-titanium file is higher, therefore make NiTi instruments safer in the safe handling number of suggestion
Or slow down apparatus fatigue increase instrumentation number, while and can ensures root canal (Root canal therapy, RCT)
Effect is one of current study hotspot.
At present, during root canal preparation is carried out using nickel-titanium file, substantially all by the way of drilled dry, because
The research process of early stage, research thinks, nickel-titanium file can increase the probability of Transverse Cracks in environment under water.
Specifically, Basic Research-Technology the 12nd phase titles of volume 33 are published in December, 2007
For " Effect of Environment on Low-cycle Fatigue of a Nickel-Titanium
Just mentioned in Instrument " articles " although water and sodium hypochlorite can reduce temperature, has corrosion to make to exposed metal
With especially in short arc.Meet fatigue behaviour of the metal in corrosive environment.In high amplitude, metal does not have enough
Time carries out corrosiveness.Just as being bent circular beam, crackle also occurs in nickel-titanium file surface, first since single crack.It is rotten
Corrosion liquid (water and sodium hypochlorite) will accelerate Crack Extension.”
In addition, it was published in 612-618 pages of volume 40 of International Endodontic Journal's in 2007
Entitled " Fatigue testing of a NiTi rotary instrument.Part 1:strain–life
In relationship " article, the difference of NiTi instruments fatigue life can be caused by also mentioning various cross sections and processing groove.
Water may make the Crack Extension of material ftracture, and reduce cycle fatigue life.
Based on these reports before, at present in clinic, root canal preparation is all by the way of drilled dry.
Utility model content
But present inventor has found that above-mentioned theory seems not fully correct in clinical and experiment.Cause
This, the utility model is tested respectively using different washing conditions, and the nickel-titanium file longevity can be extended by having eventually found one kind
The mode of life, and it is prepared for corresponding root canal preparation equipment.
Specifically, the utility model provides a kind of nickel-titanium file root canal preparation equipment, it is characterised in that the root canal preparation
Equipment includes:NiTi provisioned systems and flushing system, the NiTi provisioned systems include nickel-titanium file, mobile phone head, handset,
Motor, power controller;The flushing system includes:Conduit, liquid pump, liquid pump controller, the nickel-titanium file are arranged on mobile phone
Lower head, the mobile phone head are fixedly connected with the handset, and the motor is connected with the nickel-titanium file, and then
The nickel-titanium file is driven to be rotated according to the control of the power controller, the tube at one end is towards the nickel-titanium file, separately
One end is connected with the liquid pump, and the liquid pump controller communicates to connect with the liquid pump, to be carried out to the liquid pump
Control.
In a kind of preferred implementation, the root canal preparation equipment also includes catheter anchoring system, and the conduit passes through
Catheter anchoring system is fixed in the handset.
In another preferred implementation, one end of the conduit passes through the handset and the mobile phone head,
To the nickel-titanium file.
In another preferred implementation, built with liquid, the liquid pump controller is used to control institute the liquid pump
State the flow and temperature of liquid pump pump liquid.
In another preferred implementation, in the root canal preparation equipment, the power controller and the liquid pump
Controller is associated with each other, when opening motor by power controller to drive the nickel-titanium file to rotate, can synchronously open
The liquid pump is opened, and then by liquid pumping and is ejected on nickel-titanium file.
In another preferred implementation, the temperature of the liquid pump pump liquid is 6-40 degree.
In another preferred implementation, the flushing system also includes bath shower nozzle, and the bath shower nozzle is arranged on
The catheter proximal end, for carrying out water flow jet with predetermined shape.
In another preferred implementation, the motor is by transmission device via handset, mobile phone head and institute
State nickel-titanium file drive connection.
Technique effect
Inventor of the present utility model find existing root canal preparation in practice in terms of theoretical research to root canal preparation side
Method, which exists, to be misled, and causes existing NiTi root canal preparation to use drilled dry mode, and still, the practice test through inventor is found, root
In pipe preliminary procedure, if addition current rinse the service life that can greatly prolong nickel-titanium file.
Specifically, nickel-titanium file root canal preparation equipment of the present utility model is in root canal preparation is carried out, in nickel-titanium file
Rotary course in, be constantly ejected into using liquid pump pump liquid by conduit on nickel-titanium file, 1, profit is served to root pipe
Sliding effect, 2, can reduce the temperature of nickel-titanium file, 3, the residue that nickel-titanium file is taken out of can be rinsed out.Preparation efficiency is improved, is prolonged
The pain that long life, reduction patient's economic expenditure and instrument fracture are brought.
Brief description of the drawings
Fig. 1 is the structural representation of the root canal preparation equipment in the utility model embodiment.
Reference:
1. nickel-titanium file
2. mobile phone head
3. handset
4. motor
5. power controller
6. conduit
7. catheter anchoring system
8. liquid pump
9. liquid pump controller
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing and embodiment, but not therefore by the utility model
Protection domain be limited in embodiment description scope among.
Embodiment 1
As shown in figure 1, the root canal preparation equipment of the present embodiment includes NiTi provisioned systems and flushing system, NiTi preparation system
System includes nickel-titanium file 1, mobile phone head 2, handset 3, motor 4, power controller 5.Flushing system includes:Conduit 6, conduit are solid
Determine device 7, liquid pump 8, liquid pump controller 9.
As illustrated, nickel-titanium file 1 is arranged on the lower section of mobile phone head 2.Mobile phone head 2 is used to clamp nickel-titanium file, handset 3
For preparation root pipe when the part held, controllable drill point direction and lifting dynamics during operation.Electro-motor 4 is used to produce and transmit
Power, transmission device can also be used to carry out machine driving connection between motor 4 and nickel-titanium file 1.Power controller 5 can be set
Rotating speed and moment of torsion when nickel-titanium file 1 works.Motor 4 is passed by transmission device via handset 3, mobile phone head 2 and nickel-titanium file 1
Dynamic connection, and then drive nickel-titanium file 1 to be rotated according to the control of power controller 5.Motor 4 is preferably electro-motor.
Conduit 6 is fixed in handset by catheter anchoring system, and one end is towards nickel-titanium file, one end and the phase of liquid pump 8
Even.Liquid pump can load different liquids, and can control fluid flow and temperature.Point to nickel-titanium file 1 in the front end of conduit 6, it is preferable that
Point to the middle part position on the upper side of nickel-titanium file 1 (top here is referred to close to the side of root).Liquid pump controller and liquid
Pump 8 is connected, to carry out flow, flow velocity and temperature control to liquid pump.
It should be noted that, although catheter anchoring system (7) is employed in the present embodiment, but in actual applications,
Another form can also be used, i.e. a part for conduit is arranged inside handset machine head and handset, from handset
Side penetrates, and is passed from handset machine head lower section, points to nickel-titanium file.
In root canal preparation equipment of the present utility model, power controller and liquid pump controller are associated with each other.When in use, exist
When turning on the power system by power controller 5 to drive the rotation of nickel-titanium file 1, liquid pump 8 can be synchronously opened, and then will
Liquid pumping is simultaneously ejected on nickel-titanium file 1, so as to which in root canal preparation, the temperature of control machine nickel-titanium file is simultaneously timely
The smear layer cut down and dentine chip are washed away, file pin service life can be extended, improve root canal preparation efficiency.
Machine nickel-titanium file is extensive in dental applications at present, and the nickel-titanium file of any system has the risk of instrument fracture, and respectively
For brand name computer with nickel-titanium file motor without spraying function, the present apparatus compensate for this with adding liquid pumping system on NiTi mobile phone in machine
One defect, and the risk of instrument fracture is reduced to a certain extent.
In the present embodiment, the root canal preparation number under different washing conditions is counted, to confirm that this practicality is new
The advantage of type.
In the present embodiment, 30 supporting root pipes (15*2), specification 80* in the transparent each module of tube module are made using resin
22*31mm.With arranging every two supporting roots tube pitch 5.2mm, to row's root tube pitch 14mm, active length 18mm, angle of curvature α=60 ° and
Radius of curvature r=6mm, root pipe taper 0.02, tip of a root opening, No. 15 expand pin and just arrive tip of a root opening.
Using X-smart plus machines NiTi motor, under ProTaper system models, setup parameter:Rotating speed 350rpm,
Torque 3.0Ncm, the rezeroing after fixing motor mobile phone of pointer pull and push dynamometer, the vertical depression preparation power of preparation root pipe are
10N.The water flow of flushing system (while having blowing function concurrently) is controlled in about 3ml/s, 32 DEG C ± 1 DEG C of water temperature.
60 F1 filings are divided into 4 groups, every group 15.It is designated as respectively:Drilled dry group, dry gas group, aqueous vapor group, current group.
First group of drilled dry group, any flushing and the wiping processing of file pin are not done;Second group of qi of chong channel ascending adversely group, bath conduit is placed on apart from root pipe
Mouthful about 1 centimeters, gas key is pressed to persistently blowing to file pin at utmost in preliminary procedure;3rd group of aqueous vapor group, while press water
The key of gas two to the aqueous vapor continual rinsing at utmost in preliminary procedure files pin;4th group of current group, water key is pressed at utmost existing
Current continual rinsing files pin in preliminary procedure.
Root pipe number that 2 four groups of F1 of table files prepare when fractureing (it is individual,)
The number of root canal that two groups of preparations of water are seen that there is according to statistical result is more than anhydrous two groups, the wherein root of current group preparation
Pipe number is better than aqueous vapor group and is substantially better than two groups of drilled dry and dry gas.Summarize 4 groups of preparation the number of root canal:Current group is most, secondly
It is aqueous vapor group, is finally drilled dry and dry gas group (current group>Aqueous vapor group>Dry gas group ≈ is dry to turn group).
By the present embodiment it has been confirmed that the conclusion drawn in background technology in two articles to existing technical staff with
To mislead, caused at present in root canal preparation, be by the way of drilled dry, and actually to NiTi by the way of drilled dry
For the service life of file, not as using bath mode.
Embodiment 2
In the present embodiment, used root canal preparation equipment is substantially the same manner as Example 1, simply in the present embodiment,
Liquid temperature control device is with the addition of, it is arranged on liquid pump or liquid pump controller, for the liquid pumped to liquid pump
Carry out temperature control.Then, inventor carries out root canal preparation using different bath temperature.
Preliminary result is as follows:
During 2 three kinds of temperature of table each parameter comparison (N=60)
Note:* P < 0.01.
The comparison of number and proportion is worn in root pipe side during 3 three kinds of temperature of table
It has been found that normal temperature bath group can prepare more root pipe, extend the service life of nickel-titanium file;High temperature is washed by water
When, the root pipe number of nickel-titanium file preparation is most and is not susceptible to instrument fracture, but side easily occurs in root canal preparation and wears.Cause
This, preferred normal temperature bath, especially bath of the temperature at 23 degrees Celsius.The root pipe number of nickel-titanium file preparation is more at 23 DEG C in experiment
And instrument fracture is not susceptible to, it is optimum temperature point.We have chosen 6 DEG C of the receptible lower temperature of human body institute and higher temperature
40 DEG C are tested, good without effect at room temperature.In addition, applicant also have chosen 12 DEG C, 18 DEG C, 27 DEG C, 33 DEG C of progress
Similar experiment, first two temperature easily fractures, and latter two temperature easily occurs side and worn.
Embodiment 3
In the present embodiment, using root canal preparation equipment similar to Example 1, but as different from Example 1, this
Embodiment employs different bath control modes.
Specifically, in the present embodiment, using root canal preparation equipment similar to Example 1, but with embodiment 1 not
With embodiment adds volume control device, by temperature control at 23 DEG C, employs different bath flows and carries out root
Pipe preparation.Low discharge is 220ml/min, and big flow is 270ml/min.
Preliminary result is as follows:
During 4 two groups of different flows of table each parameter comparison (N=40)
Note:* P < 0.05, * * P < 0.01.
The comparison of number and proportion is worn in root pipe side during 5 two kinds of flows of table
It has been found that low discharge bath easily causes nickel-titanium file that instrument fracture occurs than big flow bath during preparation root pipe.
Two groups of flows are not easy to cause root pipe side to be worn, and preparation efficiency is of substantially equal.Clinically can appropriate increased water flow, increase nickel
The anti-fatigue performance of titanium file, increases the service life.
Embodiment 4
In the present embodiment, using root canal preparation equipment similar to Example 1, but as different from Example 1, remove
Nickel-titanium file 1, mobile phone head 2, handset 3, electro-motor 4, power controller, conduit 6, catheter anchoring system 7, liquid pump
8th, outside these parts of liquid pump controller 9, pressure sensor is added with mobile phone head, pressure sensor is used to measure nickel-titanium file
With interdental pressure, and the spray flow of liquid pump is controlled according to the pressure so that pre- with nickel-titanium file
Standby pressure increases, and current gradually increase from anhydrous state, and pressure is bigger, and current are bigger.
Using this spray mode, the service life of nickel-titanium file while amount of flush water is reduced, can be extended, improve root pipe
Preparation efficiency.
In a kind of preferred implementation, catheter proximal end addition shower nozzle.The pressure sensor can measure pressure
Direction, also, based on the bath direction of pressure direction adjustment shower nozzle.And then cause bath shower nozzle to being connect to nickel-titanium file and tooth
Tactile side.
Preferred embodiment of the present utility model is the foregoing is only, any formal limit is not done to the utility model
System, it is all within the spirit and principles of the utility model, according to the technical essence of the utility model to made for any of the above embodiments
Any simple modification, equivalent change and modification, still falls within the scope of protection of the utility model.
Although principle of the present utility model is described in detail above in conjunction with preferred embodiment of the present utility model,
It should be appreciated by those skilled in the art that above-described embodiment is only the explanation to exemplary implementation of the present utility model, and
The non-restriction to the utility model scope.Details in embodiment does not form the limitation to the scope of the utility model,
In the case of without departing substantially from spirit and scope of the present utility model, any equivalent transformation based on technical solutions of the utility model, letter
Single replacement etc. is obvious to be changed, and is all fallen within scope of protection of the utility model.
Claims (8)
1. a kind of nickel-titanium file root canal preparation equipment, it is characterised in that the root canal preparation equipment includes:NiTi provisioned systems and punching
Water system, the NiTi provisioned systems include nickel-titanium file (1), mobile phone head (2), handset (3), motor (4), dynamic Control
Device (5);The flushing system includes:Conduit (6), liquid pump (8), liquid pump controller (9), the nickel-titanium file (1) are arranged on hand
Below chain-drive section (2), the mobile phone head (2) is fixedly connected with the handset (3), the motor (4) and the NiTi
(1) drive connection is filed, and then drives the nickel-titanium file (1) to be rotated according to the control of the power controller (5), it is described to lead
Pipe (6) one end be connected towards the nickel-titanium file (1), the other end with the liquid pump (8), the liquid pump controller (9) with it is described
Liquid pump (8) communicates to connect, to be controlled to the liquid pump (8).
2. root canal preparation equipment according to claim 1, it is characterised in that the root canal preparation equipment is also consolidated including conduit
Determine device (7), the conduit (6) is fixed in the handset (3) by catheter anchoring system (7).
3. root canal preparation equipment according to claim 1, it is characterised in that one end of the conduit (6) passes through the hand
Machine fuselage (3) and the mobile phone head (2), to the nickel-titanium file (1).
4. root canal preparation equipment according to claim 1, it is characterised in that the liquid pump (8) is described built with liquid
Liquid pump controller (9) is used for the flow and temperature for controlling the liquid pump (8) pump liquid.
5. root canal preparation equipment according to claim 1, it is characterised in that described dynamic in the root canal preparation equipment
Force controller (5) and the liquid pump controller (9) are associated with each other, are opening motor (4) by power controller (5) to drive
During nickel-titanium file (1) rotation, the liquid pump (8) can be synchronously opened, and then by liquid pumping and be ejected into nickel-titanium file
(1) on.
6. root canal preparation equipment according to claim 1, it is characterised in that the temperature of liquid pump (8) pump liquid
For 6-40 degree.
7. root canal preparation equipment according to claim 1, it is characterised in that the flushing system also includes bath shower nozzle,
The bath shower nozzle is arranged on the conduit (6) front end, for carrying out water flow jet with predetermined shape.
8. root canal preparation equipment according to claim 1, it is characterised in that the motor (4) by transmission device via
Handset (3), mobile phone head (2) and the nickel-titanium file (1) are connected.
Priority Applications (1)
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CN201720030354.XU CN206777406U (en) | 2017-01-11 | 2017-01-11 | A kind of nickel-titanium file root canal preparation equipment |
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CN201720030354.XU CN206777406U (en) | 2017-01-11 | 2017-01-11 | A kind of nickel-titanium file root canal preparation equipment |
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CN201720030354.XU Expired - Fee Related CN206777406U (en) | 2017-01-11 | 2017-01-11 | A kind of nickel-titanium file root canal preparation equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106725918A (en) * | 2017-01-11 | 2017-05-31 | 李翊赫 | A kind of nickel-titanium file root canal preparation equipment |
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2017
- 2017-01-11 CN CN201720030354.XU patent/CN206777406U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106725918A (en) * | 2017-01-11 | 2017-05-31 | 李翊赫 | A kind of nickel-titanium file root canal preparation equipment |
WO2018130147A1 (en) * | 2017-01-11 | 2018-07-19 | 李翊赫 | Nickel-titanium file root canal preparation instrument |
CN106725918B (en) * | 2017-01-11 | 2019-08-06 | 李翊赫 | A kind of nickel-titanium file root canal preparation equipment |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171222 Termination date: 20220111 |