CN203226908U - Dental nerve broach - Google Patents
Dental nerve broach Download PDFInfo
- Publication number
- CN203226908U CN203226908U CN 201320130574 CN201320130574U CN203226908U CN 203226908 U CN203226908 U CN 203226908U CN 201320130574 CN201320130574 CN 201320130574 CN 201320130574 U CN201320130574 U CN 201320130574U CN 203226908 U CN203226908 U CN 203226908U
- Authority
- CN
- China
- Prior art keywords
- needle
- burr
- pin silk
- needle guard
- broach
- 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.)
- Expired - Fee Related
Links
- 210000005036 nerve Anatomy 0.000 title abstract 7
- 238000000926 separation method Methods 0.000 claims description 2
- 210000000214 mouth Anatomy 0.000 abstract description 15
- 230000006378 damage Effects 0.000 abstract description 6
- 210000004262 dental pulp cavity Anatomy 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000007850 degeneration Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000017074 necrotic cell death Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 201000004328 Pulpitis Diseases 0.000 description 1
- 206010037464 Pulpitis dental Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a dental nerve broach, belongs to a medical instrument, and solves the problems that the rotary angle of the nerve broach is small, the adjusting amplitude is large, the nerve broach easily damages an oral cavity and/or burrs at a needle tip easily stab the oral cavity and the inner wall of a dental pulp cavity. The dental nerve broach comprises a needle wire, a needle sleeve and a screw cap; an arc-shaped needle tip is arranged at one end of the needle wire; a burr region is arranged at the front end of the needle tip; a thread is arranged at the other end of the needle wire; after the needle sleeve is sleeved in a burr region of the needle wire, the front part of the needle sleeve is clamped with the needle wire; the screw cap and the thread on the needle wire are matched to lock the needle wire and the needle sleeve. Burr tips of the burrs of the burr region are concave toward the inner side. According to the nerve broach disclosed by the utility model, the needle tip can rotate for 360 degrees; the dental nerve broach is simple and accurate to operate, has small damages to the oral cavity and is safer to use.
Description
Technical field
The invention belongs to medical instruments, what be specifically related to is a kind of dentistry barbed broach.
Background technology
At present, in treatment pulpitis and apicitis process, need the pulp tissue of degeneration necrosis in the use barbed broach removal root pipe or the cotton that taking-up is retained in the root pipe to twist with the fingers.Straight type barbed broach needs constantly to adjust angle in use to comply with the direction of root pipe, and the angle adjustment of barbed broach is not in place, can cause pulp tissue residual, influences the effect of root canal.To this Chinese patent ZL201120336202.5 novel dental barbed broach, straight type barbed broach is improved, this barbed broach mainly comprises needle body, needle point, needle body one end is provided with needle point, the other end of needle body and handle are by being threaded, be provided with burr on the needle body and near the needle point place, needle point bends to arc.Though this novel dental barbed broach overcomes some defectives of straight type barbed broach, but handle and needle body are one when using because of it, adjust the needle body position by adjusting handle position, the angle of handle rotation is because being subjected to the oral cavity space restriction very little, so need when adjusting tip position to regulate significantly, increased the risk that other position of boil on the nape opposite the mouth intracavity portion damages.In addition, the burr at barbed broach needle point place is tiny and sharp, when deeply reaching the taking-up oral cavity, causes barbed broach to stab oral cavity and pulp cavity inwall easily.
Summary of the invention
The problem to be solved in the present invention is that the barbed broach anglec of rotation is little in the prior art, and the amplitude of accommodation is big, and the burr at easy damaged oral cavity and/or needle point place is stabbed the problem of oral cavity and pulp cavity inwall easily.
The present invention is for realizing above purpose, take following scheme: the dentistry barbed broach, comprise pin silk, needle guard and nut, one end of pin silk arranges the arc needle point, the needle point front end is provided with the burr district, and the pin silk other end is provided with screw thread, and needle guard is enclosed within after the pin silk burr district, needle guard is anterior to engage with the pin silk, and the threaded engagement on nut and the pin silk is with locking pin silk and needle guard.
The thorn point of burr district burr is recessed to the inside, to reduce injury other positions, oral cavity.
Needle guard front end 10mm arranges bent angle and is 135 °, and the rear end is provided with floating-point.
The invention has the beneficial effects as follows: the structure that (1) adopts pin silk and needle guard to cooperate, make the barbed broach needle point can 360 ° of rotations, simple to operate, accurate, little to the oral cavity injury, be applicable to the accurate treatment of oral cavity odontopathy; (2) umbilicate type stings sharp structure decrease to the injury at other positions, oral cavity, uses safer.
Description of drawings
The pin silk structural representation of Fig. 1 barbed broach of the present invention;
The pin silk structure A partial enlarged view of Fig. 2 barbed broach of the present invention;
The assembling sketch map of Fig. 3 barbed broach of the present invention;
The B partial enlarged view of the installation diagram of Fig. 4 barbed broach of the present invention;
The structural representation of the needle guard of Fig. 5 barbed broach of the present invention;
The C of the needle guard of Fig. 6 barbed broach of the present invention is to view;
Among the figure: 1 pin silk, 11 burr districts, 12 burrs, 13 boss, 14 rib projectioies, 15 screw threads, 16 thorn points, 2 needle guards, 21 needle guard chamber front ends, 22 grooves, 3 nuts.
Specific embodiment
1-is shown in Figure 6 as accompanying drawing, and the dentistry barbed broach of the preferred embodiment of the present invention comprises pin silk 1, needle guard 2 and nut 3.One end of pin silk arranges the arc needle point, and the needle point front end is provided with burr district 11, and the other end is provided with screw thread 15.Needle point front end 10 ~ 15mm is provided with burr, is provided with a circle fixing lug boss 13 at rear portion, burr district, and has around 14 separations of four road ribs projection, and rib projection 14 cooperates with the groove 22 of needle guard front end intracavity, does not rotate with the locking pin silk.
Claims (6)
1. dentistry barbed broach, it is characterized in that, comprise pin silk, needle guard and nut, one end of pin silk arranges the arc needle point, the needle point front end is provided with the burr district, and the pin silk other end is provided with screw thread, and needle guard is enclosed within after the pin silk burr district, needle guard is anterior to engage with the pin silk, and the threaded engagement on nut and the pin silk is with locking pin silk and needle guard.
2. dentistry barbed broach according to claim 1 is characterized in that, the thorn point of burr district burr is recessed to the inside.
3. dentistry barbed broach according to claim 1 and 2 is characterized in that, needle guard front end 10mm arranges bent angle and is 135 °.
4. dentistry barbed broach according to claim 1 and 2 is characterized in that, the needle guard rear end is provided with floating-point.
5. dentistry barbed broach according to claim 1 and 2 is characterized in that, needle point front end 10 ~ 15mm is provided with burr.
6. dentistry barbed broach according to claim 1 and 2 is characterized in that, the pin silk is provided with a circle fixing lug boss at rear portion, burr district, and has around the four road rib projection separations, and the groove fit of rib projection and needle guard front end intracavity is not rotated with the locking pin silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130574 CN203226908U (en) | 2013-03-21 | 2013-03-21 | Dental nerve broach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320130574 CN203226908U (en) | 2013-03-21 | 2013-03-21 | Dental nerve broach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203226908U true CN203226908U (en) | 2013-10-09 |
Family
ID=49283060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320130574 Expired - Fee Related CN203226908U (en) | 2013-03-21 | 2013-03-21 | Dental nerve broach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203226908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055585A (en) * | 2013-03-21 | 2014-09-24 | 山东威高集团医用高分子制品股份有限公司 | Dental nerve broach |
| CN105963030A (en) * | 2016-04-27 | 2016-09-28 | 成都绿迪科技有限公司 | Improved nerve broach for dental department |
-
2013
- 2013-03-21 CN CN 201320130574 patent/CN203226908U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055585A (en) * | 2013-03-21 | 2014-09-24 | 山东威高集团医用高分子制品股份有限公司 | Dental nerve broach |
| CN105963030A (en) * | 2016-04-27 | 2016-09-28 | 成都绿迪科技有限公司 | Improved nerve broach for dental department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20180321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |