CN108542512A - A kind of novel countable root canal file - Google Patents
A kind of novel countable root canal file Download PDFInfo
- Publication number
- CN108542512A CN108542512A CN201810529618.5A CN201810529618A CN108542512A CN 108542512 A CN108542512 A CN 108542512A CN 201810529618 A CN201810529618 A CN 201810529618A CN 108542512 A CN108542512 A CN 108542512A
- Authority
- CN
- China
- Prior art keywords
- hole
- button
- root canal
- character wheel
- countable
- 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.)
- Withdrawn
Links
- 210000004262 dental pulp cavity Anatomy 0.000 title claims abstract description 60
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 5
- 244000152100 Sorbus torminalis Species 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 210000000707 wrist Anatomy 0.000 description 3
- 208000024216 Periapical disease Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000899 Gutta-Percha Substances 0.000 description 1
- 240000000342 Palaquium gutta Species 0.000 description 1
- 206010066901 Treatment failure Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000003074 dental pulp Anatomy 0.000 description 1
- 208000019786 dental pulp disease Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920000588 gutta-percha Polymers 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012678 infectious agent Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0803—Counting the number of times an instrument is used
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2204/00—Features not otherwise provided for
- A61C2204/007—Features not otherwise provided for using wear indicators
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a kind of novel countable root canal files, belong to type medical instrument for dental use, and the present invention includes handle, and counter is provided on handle；It is provided with hole on the upper surface of handle, annular groove is offered on the madial wall in hole, show hole is offered on the side wall of annular groove；Counter includes：The character wheel being set on annular groove, it is provided with Digital ID on the lateral wall of character wheel, the upper surface of character wheel is fixedly connected with ratchet, it further include the pawl device being arranged on the side wall in hole, pawl device is connected with ratchet, a through-hole is offered on the end face of character wheel, the axis of through-hole and the axis collinear of character wheel, an annulus is arranged in through-hole, a skewed slot is provided on the madial wall of annulus, the upper end in hole is arranged with button, button can be along hole in hole axis move, the bottom of button is connected with connecting rod, a skewback is provided on the side wall of connecting rod, skewback is adapted with skewed slot.The present invention can intuitively read the access times of root canal file on handle.
Description
Technical field
The invention belongs to type medical instrument for dental use, and in particular to a kind of root canal file for treating molars root canals.
Background technology
Dental pulp disease and periapical disease are the common diseases of the department of stomatology, preserve patient teeth, dental pulp is modern dentistry
Therapeutic purposes, and root canal is current most common and most effective therapy.The principle of root canal operation is to pass through machine
Most of infectious agent in tool and chemical method removal 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 generally comprises the steps：
One, root canal preparation：Marrow is opened, thoroughly understands the pulp tissue of lesion necrosis, measures sono-explorer, makees the expansion of root pipe；
Two, root canal irrigation：The operation being repeated in root canal by the fine debris of organic matter in root pipe and machines away
The sources of infection such as the tiny powder of sclerous tissues rinse well；
Three, root canal disinfection：Drug disinfection is the most frequently used, is to dip in a little liquid with cotton twirl to be placed in root pipe, hole temporarily envelope material
Material sealing；
Four, root canal deviation：Be root canal therapy the last one step and root canal in most important step, mesh
It is preceding when participating in the cintest on commonly added with gutta-percha point root canal filling with root canal filling agent, enable root canal system tight closure.
It due to equipment cost height, clinically needs to sterilize use repeatedly, root is it is documented that every Ni-Ti rotary Instrument
Service life is averagely no more than 20 times, and clinic has occurred and that because Ni-Ti rotary Instrument fatigue, fractures in use.Instrument fracture
Afterwards, it remains in root pipe, therefore part root pipe is blocked and can not be cleared up, remain a large amount of bacteriums, easily leads to treatment failure, is increased and is suffered from
The pain of person.And there is no the root canal file of tally function in the prior art, the China that notification number is CN205411376U is real
A kind of root canal file frame with tally function is disclosed with novel, but the counting of root canal file frame is not intuitive.Therefore, it is necessary to one kind
The root canal file that can be counted.
Invention content
It is an object of the invention to：The functional requirement counted is needed in order to meet root canal file in the prior art, one kind is provided
Novel countable root canal file.
The technical solution adopted by the present invention is as follows：
A kind of novel countable root canal file, including handle are provided with counter on the handle；The upper end of the handle
It is provided with hole on face, annular groove is offered on the madial wall in the hole, show hole is offered on the side wall of the annular groove；It is described
Counter includes：The character wheel being set on the annular groove is provided with Digital ID, the character wheel on the lateral wall of the character wheel
Upper surface be fixedly connected with ratchet, further include the pawl device being arranged on the side wall in the hole, the pawl device and institute
It states ratchet to be connected, offers a through-hole on the end face of the character wheel, the axis collinear of the axis of the through-hole and the character wheel,
It is arranged with an annulus in the through-hole, a skewed slot is provided on the madial wall of the annulus, the upper end in the hole is arranged with button,
The button can be along hole in the hole axis move, the bottom of the button is connected with connecting rod, on the side wall of the connecting rod
It is provided with a skewback, the skewback is adapted with the skewed slot.
Further, the annulus is set as interior helical teeth circle；The skewed slot is the internal tooth on the interior helical teeth circle；It is described
Connecting rod bottom is arranged with helical gear, and the skewback is the external tooth on the helical gear, the helical gear and the interior helical teeth circle
It is meshed.
Further, the helical gear thickness is not more than the thickness of the interior helical teeth circle.
Further, the side wall of the through-hole, be both provided with anti-skid chequer on interior helical teeth circle lateral wall.
Further, the handle tip is provided with snap ring, and the snap ring is adapted with the button.
Further, it is provided with ring seat on the side wall in the hole, spring is provided with below the button, the spring
Upper end is connect with the lower face of the button, and the bottom end of the spring is connected with the upper surface of the ring seat.
Further, the button top is provided with safe cord hole, and safety rope is provided in the safe cord hole.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1, in the present invention, the handle portion of root canal file is provided with counter, counter will intuitively and easily count plurality of tubes
The access times of file, and be shown on handle, prompt the service life of medical personnel's root canal file.Structure of the invention is ingenious, meter
Number is convenient, and access times are directly displayed on handle, are easily observe that, avoid the occurrence of and counted on root canal file frame in the prior art
When error tape is placed because of situations such as maloperation or root canal file counting it is chaotic.The present invention also shows a kind of counter
Concrete structure because root canal file has stringent access times limitation, it is however generally that be no more than 15 times, and some products are even more
It is required that at 5 times or so, therefore, only there are one character wheel in the present invention, it is provided with numeral flag on the side wall of character wheel, numeral flag can
To be customized according to the specific service life of specific product.In use, medical personnel presses lower button, button drives connecting rod downward together
Mobile, the stroke of button is fixed, therefore the stroke that connecting rod moves downward also is fixed, and annulus is constrained in annular groove not
It moving up and down, skewback slides in skewed slot along the track of skewed slot at this time, while skewback is also moved with connecting rod downwardly together, because
During skewback moves downward, skewback will drive matched skewed slot to rotate a fixed angle, and annulus is outer for this
Side wall drives character wheel to rotate a fixed angle by frictional force, and the angle of character wheel rotation is corresponding with the stroke of button, at this point,
The numeral flag observed from show hole rotates an angle, that is, counts and add one.It is resetted after button stroke, at this point, button
Skewback is driven to move back up by connecting rod, but because by ratchet by the pawl on hole wall after character wheel one angle of rotation
Device blocks, and character wheel is not rotated backward followed by the reset of button, at this point, only annulus rotates backward reset.Make next time
Used time, medical personnel press lower button again, and counter repeats the above steps.This is simple and reliable for structure, convenient for manipulating, and counts
It is convenient and reliable, it is not easy by external interference, because even finger touches button in root canal preparation, button will not cover one
Stroke, character wheel would not also rotate a complete angle and be blocked by pawl, will not change easily to count.
2. in the present invention, in order to increase the reliability of counter, while improving the standardization level of the present invention, reducing production
Cost, the annulus are set as interior helical teeth circle；The skewed slot is the internal tooth on the interior helical teeth circle；The connecting rod bottom is arranged
It is the external tooth on the helical gear to have helical gear, the skewback, and the helical gear is meshed with the interior helical teeth circle.
3, in the present invention, in order to reduce the volume of counter so that the mechanism of counter is compacter, described helical gear
Thickness is not more than the thickness of the interior helical teeth circle.
4, in the present invention, in order to increase the frictional force between interior helical teeth circle and character wheel, character wheel is driven convenient for interior helical teeth circle wheel
It rotates, anti-skid chequer is both provided on the lateral wall of interior helical teeth circle, the side wall of through-hole.
5, in the present invention, for the ease of installation, handle tip is provided with snap ring, and snap ring is adapted with button.When installation, press
After button is first mounted in hole, then group loads onto snap ring, and snap ring constrains in button in hole, and such assembly method is convenient, and also allows for filling
With spring.
6, in the present invention, it is provided with ring seat on the side wall in hole, spring, the upper end of spring and button are provided with below button
Lower face connection, the bottom end of spring is connected with by the upper surface of ring seat.Purpose is push-button reset for convenience, and is prevented
Button is touched in root canal preparation leads to counter counting plus one.
7, in the present invention, because the decreased food of root canal file only has 10mm to 13mm, in order to prevent in root canal preparation
Root canal file is fallen, and button top is provided with safe cord hole, safety rope is provided in the safety vent.In use, safety rope is tied
In the wrist of medical personnel.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the counter mechanism schematic diagram of the present invention；
Fig. 3 is the A of Fig. 2 to diagram (no helical gear, connecting rod)；
It is marked in figure：1- handles, the holes 101-, 102- annular grooves, 103- show holes, 2- counters, 201- character wheels, 202- spine
It takes turns, 203- pawl devices, helical teeth circle in 204-, 205- connecting rods, 206- buttons, 206- buttons, 207- helical gears, 208- springs,
209- snap rings, the safe cord hole of 3-, 4- safety ropes.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of novel countable root canal file, including handle 1 are provided with counter 2 on handle 1；On the upper surface of handle 1
It is provided with hole 101, annular groove 102 is offered on the madial wall in hole 101, show hole 103 is offered on the side wall of annular groove 102；
Counter 2 includes：The character wheel 201 being set on annular groove 102 is provided with Digital ID, character wheel on the lateral wall of character wheel 201
201 upper surface is fixedly connected with ratchet 202, further includes the pawl device 203 being arranged on the side wall in hole 101, pawl device
203 are connected with ratchet 202, offer a through-hole on the end face of character wheel 201, the axis collinear of the axis and character wheel 201 of through-hole,
It is arranged with an annulus in through-hole, a skewed slot is provided on the madial wall of annulus, the upper end in hole is arranged with button 206, and button 206 can
Axis along hole 101 in hole 101 moves, and the bottom of button 206 is connected with connecting rod 205, and one is provided on the side wall of connecting rod 205
Skewback, skewback are adapted with skewed slot.
Further, annulus is set as interior helical teeth circle 204；Skewed slot is the internal tooth on interior helical teeth circle 204；205 bottom of connecting rod
Portion is arranged with helical gear 207, and skewback is the external tooth on helical gear 207, and helical gear 207 is meshed with interior helical teeth circle 204.
Further, the thickness of helical gear 207 is not more than the thickness of interior helical teeth circle 204.
Further, the side wall of through-hole, be both provided with anti-skid chequer on interior 204 lateral wall of helical teeth circle.
Further, 1 top of handle is provided with snap ring 209, and snap ring 209 is adapted with button 206.
Further, ring seat is provided on the side wall in hole 101, the lower section of button 206 is provided with spring 208, spring 208
Upper end is connect with the lower face of button 206, and the bottom end of spring 208 is connected with the upper surface of ring seat.
Further, 206 top of button is provided with safe cord hole 3, and safety rope 4 is provided in safe cord hole 3.
When carrying out root canal preparation using root canal file provided by the invention, hand rope 4 is bundled in the wrist of oneself by medical personnel
On, the button 206 on lower handle 1 is then pressed, button 206 drives runner 203 to be rotated around axis pin 201 by connecting rod 205, button
206 stroke is fixed, therefore the angle that runner 203 rotates every time is also fixed, and runner 203 drives word by frictional force
202 one fixed angle of rotation of wheel, the angle that character wheel 202 rotates is corresponding with the stroke of button 206, at this point, from slot 102
The numeral flag arrived rotates an angle, that is, the counting shown adds one.It is resetted after 206 stroke of button, at this point, button
206 drive runner 203 to rotate backward by connecting rod 205, but because character wheel 202 passes through 2021 quilt of ratchet after rotating an angle
Pawl device 204 on 101 wall of hole blocks, and character wheel 202 is not rotated backward followed by the reset of button 206, at this point, only turning
Wheel 203 rotates backward reset.Then the root canal file can be stretched into and carry out root canal preparation in patient oral cavity by medical personnel.
Embodiment 1
A kind of novel countable root canal file, including handle 1 are provided with counter 2 on handle 1；On the upper surface of handle 1
It is provided with hole 101, annular groove 102 is offered on the madial wall in hole 101, show hole 103 is offered on the side wall of annular groove 102；
Counter 2 includes：The character wheel 201 being set on annular groove 102 is provided with Digital ID, character wheel on the lateral wall of character wheel 201
201 upper surface is fixedly connected with ratchet 202, further includes the pawl device 203 being arranged on the side wall in hole 101, pawl device
203 are connected with ratchet 202, offer a through-hole on the end face of character wheel 201, the axis collinear of the axis and character wheel 201 of through-hole,
It is arranged with an annulus in through-hole, a skewed slot is provided on the madial wall of annulus, the upper end in hole is arranged with button 206, and button 206 can
Axis along hole 101 in hole 101 moves, and the bottom of button 206 is connected with connecting rod 205, and one is provided on the side wall of connecting rod 205
Skewback, skewback are adapted with skewed slot.
In the present embodiment, 1 part of handle of root canal file is provided with counter 2, counter 2 will be counted intuitively and easily
The access times of root canal file, and be shown on handle 1, prompt the service life of medical personnel's root canal file.The present embodiment structure
Ingenious, it is convenient to count, and access times are directly displayed on handle 1, are easily observe that, avoid the occurrence of in the prior art in root canal file
Since maloperation or the counting of root canal file placement error tape are chaotic when being counted on frame.The present embodiment is also shown
The concrete structure of a kind of counter 2, because root canal file has stringent access times limitation, it is however generally that it is no more than 15 times, and
Some products are even more to require at 5 times or so, therefore, only there are one character wheel 201 in the present embodiment, are arranged on the side wall of character wheel 201
There are numeral flag, numeral flag that can be customized according to the specific service life of specific product.In use, medical personnel presses lower button
206, button 206 drives connecting rod 205 to move down together, and the stroke of button 206 is fixed, therefore connecting rod 206 moves downward
Stroke also fix, and annulus is constrained in annular groove 102 and does not move up and down, at this time skewback in skewed slot along skewed slot
Track is slided, while skewback is also moved with connecting rod 205 downwardly together, therefore during skewback moves downward, and skewback will drive
Matched skewed slot, i.e. annulus rotate a fixed angle, and the lateral wall of annulus drives 201 turns of character wheel by frictional force
A fixed angle is moved, the angle that character wheel 201 rotates is corresponding with the stroke of button 206, at this point, being observed from show hole 103
Numeral flag rotate an angle, that is, count plus one.It is resetted after 206 stroke of button, at this point, button 206 passes through connecting rod
205 drive skewbacks move back up, but because by ratchet 202 by 101 wall of hole after one angle of rotation of character wheel 201
Pawl device 203 blocks, and character wheel 201 is not rotated backward followed by the reset of button 206, at this point, only annulus rotates backward
It resets.Next time in use, medical personnel presses lower button 206 again, counter 2 repeats the above steps.Sheet is simple in structure can
It leans on, convenient for manipulating, and counting is convenient and reliable, is not easy by external interference, because even finger touches button in root canal preparation
206, button will not cover a stroke, and character wheel 201 would not also rotate a complete angle and be blocked by pawl device 203
Firmly, will not change easily to count.
Embodiment 2
Further, in order to increase the reliability of counter, while the standardization level of the present invention is improved, reduction is produced into
This, annulus is set as interior helical teeth circle 204；Skewed slot is the internal tooth on interior helical teeth circle 204；205 bottom of connecting rod is arranged with helical gear
207, skewback is the external tooth on helical gear 207, and helical gear 207 is meshed with interior helical teeth circle 204.
Embodiment 3
On the basis of embodiment 2, in order to reduce the volume of counter 2 so that the mechanism of counter 2 is compacter, tiltedly
The thickness of gear 207 is not more than the thickness of interior helical teeth circle 204.
Embodiment 4
On the basis of embodiment 2, in order to increase the frictional force between interior helical teeth circle 204 and character wheel 201, it is convenient for interior helical teeth
Circle wheel drives character wheel rotation, and anti-skid chequer is both provided on the side wall of through-hole, interior 204 lateral wall of helical teeth circle.
Embodiment 5
On the basis of embodiment 1, for the ease of installation, 1 top of handle is provided with snap ring 209, snap ring 209 and button
206 are adapted.When installation, after button 206 is first mounted in hole 101, then group loads onto snap ring 209, and snap ring 209 constrains button 206
In hole 101, such assembly method is convenient, and also allows for assembly spring 208.Snap ring 209 is connected through a screw thread with handle 1.
Embodiment 6
On the basis of embodiment 1, ring seat is provided on the side wall in hole 101, the lower section of button 206 is provided with spring 208,
The upper end of spring 208 is connect with the lower face of button 206, and the bottom end of spring 208 is connected with the upper surface of ring seat.Purpose be for
Facilitate button 206 to reset, increase the resistance that button 206 is pressed, and prevent in root canal preparation it is any it is small touch by
Button 206 causes counter 2 to count and adds one.
Embodiment 7
On the basis of embodiment 1, because the decreased food of root canal file only has 10mm to 13mm, root canal preparation in order to prevent
Root canal file is fallen in the process, and 206 top of button is provided with safe cord hole 3, and safety rope 4 is provided in safe cord hole 3.In use,
Hand rope 4 is bundled in the wrist of medical personnel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of novel countable root canal file, including handle (1), counter (2) is provided on the handle (1)；The hand
It is provided with hole (101) on the upper surface of handle (1), annular groove (102), the annular are offered on the madial wall of the hole (101)
Show hole (103) is offered on the side wall of slot (102)；It is characterized in that, the counter (2) includes：It is set in the annular
Character wheel (201) on slot (102), is provided with Digital ID on the lateral wall of the character wheel (201), the character wheel (201) it is upper
End face is fixedly connected with ratchet (202), further includes the pawl device (203) being arranged on the side wall of the hole (101), the spine
Jaw arrangement (203) is connected with the ratchet (202), and a through-hole is offered on the end face of the character wheel (201), the through-hole
The axis collinear of axis and the character wheel (201) is arranged with an annulus in the through-hole, is provided on the madial wall of the annulus
The upper end of one skewed slot, the hole is arranged with button (206), and the button (206) can be in the hole (101) along hole (101)
Axis moves, and the bottom of the button (206) is connected with connecting rod (205), and one is provided on the side wall of the connecting rod (205) tiltedly
Block, the skewback are adapted with the skewed slot.
2. a kind of novel countable root canal file according to claim 1, it is characterised in that：The annulus is set as interior oblique
Gear ring (204)；The skewed slot is the internal tooth on the interior helical teeth circle (204)；Connecting rod (205) bottom is arranged with helical gear
(207), the skewback is the external tooth on the helical gear (207), the helical gear (207) and the interior helical teeth circle (204)
It is meshed.
3. a kind of novel countable root canal file according to claim 2, it is characterised in that：The helical gear (207)
Thickness is not more than the thickness of the interior helical teeth circle (204).
4. a kind of novel countable root canal file according to claim 2, it is characterised in that：It is the side wall of the through-hole, interior
It is both provided with anti-skid chequer on helical teeth circle (204) lateral wall.
5. a kind of novel countable root canal file according to claim 1, it is characterised in that：Handle (1) top is set
It is equipped with snap ring (209), the snap ring (209) is adapted with the button (206).
6. a kind of novel countable root canal file according to claim 1, it is characterised in that：The side wall of the hole (101)
On be provided with ring seat, be provided with spring (208) below the button (206), upper end and the button of the spring (208)
(206) lower face connection, the bottom end of the spring (208) is connected with the upper surface of the ring seat.
7. a kind of novel countable root canal file according to claim 1, it is characterised in that：At the top of the button (206)
It is provided with safe cord hole (3), safety rope (4) is provided in the safe cord hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529618.5A CN108542512A (en) | 2018-05-29 | 2018-05-29 | A kind of novel countable root canal file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810529618.5A CN108542512A (en) | 2018-05-29 | 2018-05-29 | A kind of novel countable root canal file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108542512A true CN108542512A (en) | 2018-09-18 |
Family
ID=63511483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810529618.5A Withdrawn CN108542512A (en) | 2018-05-29 | 2018-05-29 | A kind of novel countable root canal file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108542512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021039670A1 (en) * | 2019-08-26 | 2021-03-04 | マニー株式会社 | Dental treatment tool |
-
2018
- 2018-05-29 CN CN201810529618.5A patent/CN108542512A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021039670A1 (en) * | 2019-08-26 | 2021-03-04 | マニー株式会社 | Dental treatment tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1799143B1 (en) | Device for cleaning and/or the care of teeth and/or gums | |
| Ward et al. | Evaluation of an ultrasonic technique to remove fractured rotary nickel-titanium endodontic instruments from root canals: clinical cases | |
| Singh et al. | Incidence of post-operative pain after single visit and multiple visit root canal treatment: A randomized controlled trial | |
| Shahi et al. | Postoperative pain after endodontic treatment of asymptomatic teeth using rotary instruments: a randomized clinical trial | |
| CN206473299U (en) | A kind of novel multifunctional oral cavity nurses opener | |
| Kustarci et al. | Comparative study of apically extruded debris using one manual and two rotary instrumentation techniques for endodontic retreatment | |
| CN207357765U (en) | A kind of medical waste sterilizes compressing treatment device | |
| Rwenyonyi et al. | Root and canal morphology of maxillary first premolar teeth in a Ugandan population | |
| CN108542512A (en) | A kind of novel countable root canal file | |
| Spedding | Root canal treatments for primary teeth | |
| CN108652761A (en) | A kind of telescopic counting root canal file | |
| Wang et al. | A retrospective study on incisor root resorption in patients treated with bracketless invisible appliance and straight wire appliance | |
| CN204744806U (en) | Tumour chemotherapy bed vomitus supporting device | |
| CN108433831A (en) | A kind of countable root canal file | |
| CN211985746U (en) | Telescopic count root canal file | |
| Ngeow | Is there a" safety zone" in the mandibular premolar region where damage to the mental nerve can be avoided if periapical extrusion occurs? | |
| CN108703810A (en) | A kind of telescopic countable root canal file | |
| Yang | Multiple canals in a mandibular first premolar. Case report | |
| CN206652775U (en) | A kind of department of stomatology car pin cleans Special-purpose basket | |
| Rai et al. | Management of Separated Endodontic Instrument and a Blocked Canal-A Case Report | |
| CN221332409U (en) | A local drug delivery device for oral medicine treatment | |
| Gale et al. | Performance of sealants applied to first permanent molars in a dental school setting | |
| Sharma et al. | Management of endodontic emergencies at a tertiary care hospital during the lockdown phase of the COVID-19 pandemic | |
| Nasiri et al. | Management of root resorption in dentistry | |
| CN203208149U (en) | Novel oral care device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180918 |
|
| WW01 | Invention patent application withdrawn after publication |