CN105361961B - A kind of device for pulling out canal pin - Google Patents
A kind of device for pulling out canal pin Download PDFInfo
- Publication number
- CN105361961B CN105361961B CN201510790376.1A CN201510790376A CN105361961B CN 105361961 B CN105361961 B CN 105361961B CN 201510790376 A CN201510790376 A CN 201510790376A CN 105361961 B CN105361961 B CN 105361961B
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- canal pin
- canal
- pulling out
- bracket
- screw
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Abstract
The present invention relates to a kind of device for pulling out canal pin, the device for pulling out canal pin includes bracket and screw mechanism, and screw hole is provided on the bracket, and the screw mechanism runs through the screw hole；The screw mechanism lower end is provided with canal pin bindiny mechanism；When implementing in minimally invasive tooth extraction procedure, it by squeezing into canal pin in the root canal of tooth undesirable root, will closely be connected between canal pin bindiny mechanism and canal pin, and drive drag hook to pull canal pin by the pulling force that continuous rotating screw machine structure generates, to pull out canal pin, and entire undesirable root is pulled out.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of device for pulling out canal pin.
Background technique
Currently, application is lever mechanics principle in the extraction of clinical oral surgery, instrument used usually have dental elevator,
Chisel, hammer and dental forceps etc..Method is that dental elevator, chisel are placed at diastema and corresponding crest of alveolar ridge, firmly by tooth lever
Pine or chisel pine, then hold dental forceps, or rock or reverse lifting again, will suffer from tooth and pull out.Using the extraction of above-mentioned instrument, there are many
Problem, first is that tooth extraction procedure relies primarily on the experience and technology of dentist, the clinic for needing to grow tempers grasp that could be more skilled very much,
Young doctor is difficult to grasp；Second is that above-mentioned instrument can not position on undesirable root, often very numb if encountering the root of the tooth of residual disconnected
It is tired, it is sometimes desirable to cut gum, bring many pains to patient；Third is that no matter being existed using dental elevator, chisel, hammer or dental forceps etc.
All wound area can be caused larger when pulling out the undesirable root of labial teeth, be influenced while bringing pain to patient beautiful；Therefore, it is necessary to seek
Seek a kind of minimally invasive instruments for tooth extraction.
Current minimally invasive extraction is mainly wedging forces and slight rotary force by using minimally invasive Exelcymosis knife to cut off periodontal
Ligament simultaneously squeezes alveolar bone crushing simultaneously, then can be extracted tooth using micro- power with dental forceps, although this minimally invasive extraction hand
Section is greatly reduced in the damage that periodontium is subject to by entire tooth extraction procedure, but due to using dental forceps to have tooth pulled out, can not still be kept away
The meeting exempted from touches the gum of patient, causes different degrees of damage, brings many pains, and minimally invasive instruments for tooth extraction to patient
It is all import, it is expensive to popularize, it there is no dedicated undesirable root tool for uprooting currently on the market.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of devices for pulling out canal pin, are pulling out root
When pipe is followed closely, by squeezing into canal pin in the root canal of tooth undesirable root, will closely it be connected between canal pin bindiny mechanism and canal pin,
And drive drag hook to pull canal pin by the pulling force that continuous rotating screw machine structure generates, so that canal pin is pulled out, by entire undesirable root
It pulls out.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of device for pulling out canal pin, the root canal spike devices of pulling out include bracket and screw mechanism, on the bracket
It is provided with screw hole, the screw mechanism runs through the screw hole；The screw mechanism lower end is provided with canal pin bindiny mechanism.
In the present invention, when implementing minimally invasive extraction, the wedging forces and rotation of selecting existing minimally invasive Exelcymosis knife to generate first
Power, cutting periodontal ligament simultaneously squeeze alveolar bone crushing simultaneously, then beat canal pin compatible with the device for pulling out canal pin
Enter into the root canal of undesirable root, completion canal pin is fixedly connected with undesirable root；Then bracket two sides are resisted against the two of undesirable root to be pulled out
On the adjacent teeth on side, and the canal pin bindiny mechanism that screw mechanism one end is arranged closely is connect with the canal pin, by continuous
Upward rotating screw machine structure and the pulling force generated pulls canal pin to extract undesirable root.
In the present invention, the bracket that the bracket can have any shape provides as long as it can pull out canal pin for implementation
Fulcrum；Preferably, the bracket includes first support bar and second support bar, the first support bar and second described
One end of strut is connected by cross bar；The canal pin bindiny mechanism is arranged in the carrier openings side.
When being provided with aperture at the top of the canal pin for minimally invasive extraction, the canal pin bindiny mechanism be can be set to
The connection between canal pin can be realized by aperture by the drag hook of aperture, drag hook；In the present invention, the quantity of aperture can
Think it is multiple, as long as canal pin bindiny mechanism is enabled to closely to connect with canal pin；Preferably, the drag hook with it is described
It is to be detachably connected between screw mechanism；It is also beneficial to pull out root convenient for dismantling drag hook and being sterilized using such setting
The collection of the device of Guan Ding；Preferably, the screw mechanism end is provided with annular groove, and the drag hook includes hook tail, coupler body
And bill, the hook tail are embedded in the annular groove of screw mechanism end setting；Using such setting, by by the hook tail of drag hook
It is embedded into annular groove, drag hook is prevented to be detached from screw mechanism, increases the tightness connected between drag hook and screw mechanism；More
Preferably, the hook tail is set as lantern ring compatible with annular groove, sets lantern ring, lantern ring insertion for hook tail total
Close connection in the annular groove, between realization drag hook that can be more convenient and screw mechanism.
When being not provided with aperture at the top of the canal pin for minimally invasive extraction, the canal pin bindiny mechanism can be set
It is set to clamping device, clamping device realizes its connection between canal pin and clamping the top of canal pin；In this hair
In bright, the clamping device can be that arbitrarily can be realized the mechanism of clamping canal pin, such as can be clamping rifle or clamping limb；
Preferably, the clamping device includes driving lever, and Holding seat is fixed on the driving lever, is provided on the Holding seat
Clamping limb, the clamping limb are made of the first clamping limb and the second clamping limb；Pass through the first clamping limb being arranged on Holding seat
Canal pin is lived with the second gripping arm, realizes close connection.
Preferably, the screw mechanism is screw rod.
Preferably, swivel head is provided on the screw mechanism of side contrary with the carrier openings；When by screw machine
When structure screws out upwards, for medical staff by the swivel head being arranged at the top of rotating screw machine structure, this can be convenient medical staff
Operation；It is further preferred that being connected between the swivel head and the screw mechanism for spiral, using such setting, convenient for rotation
The replacement of rotary head；It is further preferable that handlebar is provided on the swivel head, the medical care that setting handlebar can facilitate strength small
Personnel especially doctress uses, and swivel head bring feeling of pain can be directly operated to avoid finger using handlebar.
As a kind of embodiment, the bottom of the bracket is provided with recess portion, and recess portion is arranged in the bottom of bracket in the present invention,
During pulling out canal pin, the recess portion of frame bottom can resist two adjacent teeths just, and this aspect is to pull out canal pin
The point of application is provided, the stability of entire dental device is on the other hand increased again, prevents the sliding of bracket.
As another embodiment, the end of the bracket is provided with clamping part, in the present invention, the clamping part packet
The first clamping part and the second clamping part are included, first clamping part and the second clamping part are oppositely arranged.First clamping part and
The distance between second clamping part is the thickness of a tooth；During pulling out canal pin, the first clamping part and second
Clamping part clamps the adjacent teeth of undesirable root to be pulled out, this, which can effectively avoid, is possible to the damage caused by adjacent teeth when pulling out undesirable root force.
It preferably, is to be detachably connected between the clamping part and the bracket；It, can be when needed using such setting
Clamping part is disassembled, to reduce the distance between tooth to be had tooth pulled out and drag hook, convenient for force.
Preferably, the clamping part is made of soft elasto material, can be improved in patient's tooth extraction procedure using elastic material
Comfort level.
Compared with prior art, the invention has the following beneficial effects:
The device provided by the invention for pulling out canal pin, by mutual between canal pin bindiny mechanism and screw mechanism
Effect is realized and is pulled out to canal pin, to pull out tooth undesirable root；The present invention can effectively avoid patient's gum from being damaged, with
Exempt to cause biggish wound area, the feared state of mind will not be caused to patient；The bracket that the present invention uses is particularly suitable for agomphosis ratio
It is less, often only lack a tooth, and adjacent teeth it is durable under conditions of carry out pulling out for canal pin in minimally invasive extraction
It removes；The configuration of the present invention is simple, rationally, the wound generated in minimally invasive tooth extraction procedure is minimum for design, greatly increases patient's
Level of comfort.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the device for pulling out canal pin provided in embodiment 1；
Fig. 2 is a kind of schematic diagram of the bracket for device for pulling out canal pin that embodiment 1 provides；
Fig. 3 is the schematic diagram of the screw rod for the device for pulling out canal pin that Examples 1 to 3 provides；
Fig. 4 is the schematic diagram of the drag hook for the device for pulling out canal pin that Examples 1 to 3 provides；
Fig. 5 is the schematic diagram for the device for pulling out canal pin that embodiment 2 provides；
Fig. 6 is the schematic diagram for the device for pulling out canal pin that embodiment 3 provides；
Fig. 7 is the schematic diagram of the bracket for the device for pulling out canal pin that embodiment 3 provides；
Fig. 8 is the schematic diagram for the device for pulling out canal pin that embodiment 4 provides；
Fig. 9 is the enlarged diagram of the clamping device for the device for pulling out canal pin that embodiment 4 provides.
Specific embodiment
The present invention is further illustrated With reference to embodiment.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation of the instructions such as term " on ", "lower", "left", "right", "top", "bottom", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
In addition, if there is the terms such as " first ", " second " to be used for description purposes only, be mainly used for distinguishing different devices,
Element or component (specific type and construction may identical may also be different), is not intended to show or implies indicated fill
It sets, the relative importance and quantity of element or component, and should not be understood as indicating or implying relative importance.
Invention is further elaborated in the following with reference to the drawings and specific embodiments, the following instruction is only illustrative, unlimited
Surely the protection scope invented.
Embodiment 1
Fig. 1 is a kind of schematic diagram of device for pulling out canal pin, as shown in Figure 1, described pull out root for minimally invasive extraction
Pipe spike devices include bracket 1 and screw rod 2, and screw hole 4 is provided on the bracket 1, and the screw rod 2 runs through the screw hole 4；Institute
2 lower end of the screw rod for stating the opening of bracket 1 side is provided with drag hook 6；As shown in Fig. 2, the bracket 1 includes first support bar
11 and second support bar 12, the first support bar 11 and one end of the second support bar 12 are connected by cross bar 5；Such as figure
3, shown in Fig. 4,2 end of screw rod is provided with annular groove 7；The drag hook 6 includes hook tail 61, coupler body 62 and bill 63,
Hook tail 61 is set as lantern ring compatible with annular groove 7, and the hook tail 61 is embedded in the annular groove 7 of 2 end of screw rod setting
It is interior, by the way that the hook tail 61 of drag hook 6 to be embedded into annular groove 7, prevents drag hook 6 to be detached from screw rod 2, increase drag hook 6 and spiral
61 total of hook tail is set lantern ring by the tightness connected between bar 2, and lantern ring is embedded in the annular groove 7, Neng Gougeng
The close connection realized between drag hook 6 and screw rod 2 for convenience.
The device compatible canal pin provided in this embodiment for pulling out canal pin is that foraminate helical form is arranged in top
Canal pin, in the present invention, the quantity of aperture can for it is multiple can also be with only one, as long as enabling to drag hook and canal pin
Close connection.
Embodiment 2
Fig. 5 is the schematic diagram for the device that another kind provided in this embodiment pulls out canal pin, as shown in figure 5, described be used for
The root canal spike devices of pulling out of minimally invasive extraction include bracket 1 and screw rod 2, and screw hole 4, the screw rod 2 are provided on the bracket 1
Through the screw hole 4；2 lower end of the screw rod of the opening of bracket 1 side is provided with drag hook 6；As shown in Fig. 2, the branch
Frame 1 includes first support bar 11 and second support bar 12, and one end of the first support bar 11 and the second support bar 12 is logical
Cross bar 5 is crossed to be connected；As shown in Figure 3, Figure 4,2 end of screw rod is provided with annular groove 7；The drag hook 6 includes hook tail
61, coupler body 62 and bill 63, hook tail 61 are set as lantern ring compatible with annular groove 7, and the hook tail 61 is embedded in 2 end of screw rod
In the annular groove 7 for holding setting, by the way that the hook tail 61 of drag hook 6 to be embedded into annular groove 7, drag hook 6 is prevented to be detached from screw rod
2, increase the tightness connected between drag hook 6 and screw rod 2, lantern ring is set by 61 total of hook tail, described in lantern ring insertion
Close connection in annular groove 7, between realization drag hook 6 that can be more convenient and screw rod 2；In the present embodiment, with institute
It states and is provided with swivel head 9 on the screw rod 2 of 1 opening direction opposite side of bracket, between the swivel head 9 and the screw rod 2
For spiral connection, this is convenient for the replacement of swivel head.
In the present embodiment, it is additionally provided with handlebar 13 on the swivel head 9, when screw rod 2 is screwed out upwards, if
It sets the medical staff especially doctress that handlebar 13 can facilitate strength small to use, and can be to avoid hand using handlebar 13
Refer to and directly operates 9 bring feeling of pain of swivel head.
The device compatible canal pin provided in this embodiment for pulling out canal pin is that foraminate helical form is arranged in top
Canal pin, in the present invention, the quantity of aperture can for it is multiple can also be with only one, as long as enabling to drag hook and canal pin
Close connection.
Embodiment 3
Fig. 6 is the schematic diagram for the device that another kind provided in this embodiment pulls out canal pin, as shown in fig. 6, described be used for
The root canal spike devices of pulling out of minimally invasive extraction include bracket 1 and screw rod 2, and screw hole 4, the screw rod 2 are provided on the bracket 1
Through the screw hole 4；2 lower end of the screw rod of the opening of bracket 1 side is provided with drag hook 6；As shown in Fig. 2, the branch
Frame 1 includes first support bar 11 and second support bar 12, and one end of the first support bar 11 and the second support bar 12 is logical
Cross bar 5 is crossed to be connected；As shown in Figure 3, Figure 4,2 end of screw rod is provided with annular groove 7；The drag hook 6 includes hook tail
61, coupler body 62 and bill 63, hook tail 61 are set as lantern ring compatible with annular groove 7, and the hook tail 61 is embedded in 2 end of screw rod
In the annular groove 7 for holding setting, by the way that the hook tail 61 of drag hook 6 to be embedded into annular groove 7, drag hook 6 is prevented to be detached from screw rod
2, increase the tightness connected between drag hook 6 and screw rod 2, lantern ring is set by 61 total of hook tail, described in lantern ring insertion
Close connection in annular groove 7, between realization drag hook 6 that can be more convenient and screw rod 2；In the present embodiment, with institute
It states and is provided with swivel head 9 on the screw rod 2 of 1 opening direction opposite side of bracket, between the swivel head 9 and the screw rod 2
For spiral connection, this is convenient for the replacement of swivel head.
In the present embodiment, it is additionally provided with handlebar 13 on the swivel head 9, when screw rod 2 is screwed out upwards, if
It sets the medical staff especially doctress that handlebar 13 can facilitate strength small to use, and can be to avoid hand using handlebar 13
Refer to and directly operates 9 bring feeling of pain of swivel head.
Fig. 7 is the schematic diagram of the bracket 1 of the present embodiment, as shown in fig. 7, the end of the bracket 1 is provided with clamping part 14,
The clamping part 14 includes the first clamping part 141 and the second clamping part 142, first clamping part 141 and the second clamping part 142
It is oppositely arranged.In the present embodiment, the distance between first clamping part 141 and the second clamping part 142 are a tooth
Thickness；In tooth extraction procedure, the first clamping part 141 and the second clamping part 142 clamp the adjacent teeth of undesirable root to be pulled out, in order to avoid in extraction
It is possible that the damage caused by adjacent teeth；The clamping part 14 in the present embodiment is that for example can be rubber by soft elasto material
Ellipse sheet made of material can improve the comfort level in patient's tooth extraction procedure using elastic material.
For the device for pulling out canal pin of the present embodiment when implementing in minimally invasive tooth extraction procedure, specifically used method is as follows:
The wedging forces and rotary force for selecting existing minimally invasive Exelcymosis knife to generate first, cutting periodontal ligament simultaneously squeeze alveolus simultaneously
Then the canal pin for being provided with centre bore is driven into the root canal of undesirable root by bone crushing, and the drag hook connected on screw rod is worn
Cross the centre bore of canal pin, then by the constantly screw rod on runing rest upwards, increase between screw rod and canal pin away from
From the pulling force pulling drag hook generated by this distance extracts undesirable root.
The device compatible canal pin provided in this embodiment for pulling out canal pin is that foraminate helical form is arranged in top
Canal pin, in the present invention, the quantity of aperture can for it is multiple can also be with only one, as long as enabling to drag hook and canal pin
Close connection.
Embodiment 4
Fig. 8 is the schematic diagram for the device that another kind provided in this embodiment pulls out canal pin, as shown in figure 8, described be used for
The root canal spike devices of pulling out of minimally invasive extraction include bracket 1 and screw rod 2, and screw hole 4, the screw rod 2 are provided on the bracket 1
Through the screw hole 4；2 lower end of the screw rod of the opening of bracket 1 side is provided with clamping device 8；As shown in Fig. 2, institute
State bracket 1 include first support bar 11 and second support bar 12, the one of the first support bar 11 and the second support bar 12
End is connected by cross bar 5.
Fig. 9 is the schematic diagram of the clamping device 8 in the present embodiment, as shown in figure 9, the clamping device 8 includes driving lever
81, Holding seat 82 is fixed on the driving lever 81, and clamping limb 83, the clamping limb 83 are provided on the Holding seat 82
It is made of the first clamping limb 831 and the second clamping limb 832, passes through the first clamping limb 831 and second being arranged on Holding seat 82
Clamping limb 832 clamps canal pin, realizes the close connection between clamping device 8 and canal pin；Root canal in the present embodiment
Nail can select clinically conventional use of helical form canal pin, can not change to helical form canal pin.
As shown in figure 8, the bottom of the bracket 1 is provided with recess portion 10, recess portion 10 is arranged in the bottom of bracket 10 in the present invention,
During pulling out canal pin, the recess portion 10 of 1 bottom of bracket can resist two adjacent teeths just, and this aspect is to pull out root canal
Nail provides the point of application, on the other hand increases the stability of entire dental device again, prevents the sliding of bracket 1.
2 top of screw rod is provided with swivel head 9, and handlebar 13, the swivel head 9 are provided on the swivel head 9
It is connect between the screw rod 2 for spiral, this is convenient for the replacement of swivel head 9.In the present embodiment, when by screw rod 2 to
When upper back-out, the medical staff especially doctress that setting handlebar 13 can facilitate strength small is used, and uses handlebar
13 can directly operate 9 bring feeling of pain of swivel head to avoid finger.
Claims (8)
1. a kind of device for pulling out canal pin, which is characterized in that the root canal spike devices of pulling out include bracket (1) and screw mechanism
(2), it is provided with screw hole (4) on the bracket (1), the screw mechanism (2) runs through the screw hole (4)；The screw mechanism (2)
Lower end is provided with canal pin bindiny mechanism (3)；
The bracket (1) includes first support bar (11) and second support bar (12), the first support bar (11) and described
One end of two support rods (12) is connected by cross bar (5)；
The screw mechanism (2) is screw rod.
2. pulling out the device of canal pin according to claim 1, which is characterized in that the canal pin bindiny mechanism (3) is to draw
Hook (6).
3. pulling out the device of canal pin according to claim 2, which is characterized in that screw mechanism (2) end is provided with
Annular groove (7)；The drag hook (6) includes hook tail (61), coupler body (62) and bill (63), and the hook tail (61) is embedded in screw machine
In the annular groove (7) of structure (2) end setting.
4. pulling out the device of canal pin according to claim 1, which is characterized in that the canal pin bindiny mechanism (3) is folder
Hold mechanism (8).
5. pulling out the device of canal pin according to claim 4, which is characterized in that the clamping device (8) includes driving lever
(81), it is fixed with Holding seat (82) on the driving lever (81), is provided with clamping limb (83) on the Holding seat (82).
6. pulling out the device of canal pin according to claim 1, which is characterized in that opposite with the bracket (1) opening direction
Swivel head (9) are provided on the screw mechanism (2) of side.
7. pulling out the device of canal pin according to claim 1, which is characterized in that the bottom of the bracket (1) is provided with recessed
Portion (10).
8. pulling out the device of canal pin according to claim 1, which is characterized in that the end of the bracket (1) is provided with folder
Hold portion (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790376.1A CN105361961B (en) | 2015-11-17 | 2015-11-17 | A kind of device for pulling out canal pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510790376.1A CN105361961B (en) | 2015-11-17 | 2015-11-17 | A kind of device for pulling out canal pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105361961A CN105361961A (en) | 2016-03-02 |
| CN105361961B true CN105361961B (en) | 2019-02-19 |
Family
ID=55364937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510790376.1A Expired - Fee Related CN105361961B (en) | 2015-11-17 | 2015-11-17 | A kind of device for pulling out canal pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105361961B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137411A (en) * | 2016-08-09 | 2016-11-23 | 钟俊超 | A kind of imbibition type Wicresoft dental device |
| CN107582189B (en) * | 2017-09-12 | 2020-05-26 | 四川大学 | Dental extractor for department of stomatology |
| CN108524023A (en) * | 2018-01-10 | 2018-09-14 | 魏宁 | A kind of device for removing teeth restoration metal post |
| CN112120809B (en) * | 2020-09-14 | 2022-05-27 | 山东大学 | Minimally invasive residual root removing device and using method |
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| DE2346671A1 (en) * | 1972-09-19 | 1974-04-04 | Toma | PNEUMATICALLY OPERATED EXTRACTION DEVICE, IN PARTICULAR FOR USE IN DENTAL OR DENTAL CARE |
| US5545038A (en) * | 1995-07-27 | 1996-08-13 | Sidney Horowitz | Percussive dental extractor |
| US20100047739A1 (en) * | 2006-10-06 | 2010-02-25 | Benno Syfrig | Device for Extracting a Tooth Root |
| CN102198018A (en) * | 2011-05-24 | 2011-09-28 | 王胜林 | Fang removing device |
| CN204219069U (en) * | 2014-10-25 | 2015-03-25 | 冯跃恒 | Miniature dental forceps |
| CN104665939A (en) * | 2013-11-28 | 2015-06-03 | 张书秘 | Pry force type tooth extraction forceps |
| CN205286560U (en) * | 2015-11-17 | 2016-06-08 | 广州医科大学附属口腔医院 | Pull out root canal pin's device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100654898B1 (en) * | 2004-11-18 | 2006-12-06 | 남태계 | Inlay remover for teeth |
| CN203693779U (en) * | 2014-02-25 | 2014-07-09 | 孙杜斌 | Residual tooth root extractor |
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- 2015-11-17 CN CN201510790376.1A patent/CN105361961B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2346671A1 (en) * | 1972-09-19 | 1974-04-04 | Toma | PNEUMATICALLY OPERATED EXTRACTION DEVICE, IN PARTICULAR FOR USE IN DENTAL OR DENTAL CARE |
| US5545038A (en) * | 1995-07-27 | 1996-08-13 | Sidney Horowitz | Percussive dental extractor |
| US20100047739A1 (en) * | 2006-10-06 | 2010-02-25 | Benno Syfrig | Device for Extracting a Tooth Root |
| CN102198018A (en) * | 2011-05-24 | 2011-09-28 | 王胜林 | Fang removing device |
| CN104665939A (en) * | 2013-11-28 | 2015-06-03 | 张书秘 | Pry force type tooth extraction forceps |
| CN204219069U (en) * | 2014-10-25 | 2015-03-25 | 冯跃恒 | Miniature dental forceps |
| CN205286560U (en) * | 2015-11-17 | 2016-06-08 | 广州医科大学附属口腔医院 | Pull out root canal pin's device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105361961A (en) | 2016-03-02 |
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