CN102631252A - Measuring needle for working length of root canal - Google Patents
Measuring needle for working length of root canal Download PDFInfo
- Publication number
- CN102631252A CN102631252A CN2012101416833A CN201210141683A CN102631252A CN 102631252 A CN102631252 A CN 102631252A CN 2012101416833 A CN2012101416833 A CN 2012101416833A CN 201210141683 A CN201210141683 A CN 201210141683A CN 102631252 A CN102631252 A CN 102631252A
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- root canal
- needle body
- measuring needle
- scale section
- working length
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Abstract
The invention discloses a measuring needle for working length of a root canal. The measuring needle consists of an anti-skidding handle (1) and a measuring needle body (2) connected with the anti-skidding handle (1) and is characterized in that the upper part of the measuring needle body (2) is a scale segment (3) carved with labeled lines; the lower part of the measuring needle body (2) is an insertion working segment (4); conveniently distinguished paint layers are coated on the different scale line segments on the scale segment; a locating piece (5) is arranged on the scale segment (3); and the locating piece (5) can move up and down along the scale segment at the action of an external force. The measuring needle is matched with a root canal measuring apparatus, the measuring needle is inserted into the working segment (4) to be directly inserted into the root canal of teeth to be measured until the lower point end of the working segment (4) achieves a physiological apical foramen; the locating piece (5) is adjusted down to be contacted with a dental crown; at this time, the measuring needle is taken out, the working length of the root canal can be directly read according to different colors of the labeled lines. The measuring needle is easy to disinfect and can be used by one person; and cross infection can be effectively prevented.
Description
Technical field
The present invention relates to a kind of root canal working length instrument, belong to department of stomatology medical treatment auxiliary implement technical field.
Background technology
Root canal therapy is the prefered method of treatment dental pulp disease and periapical disease.A requisite preposition step is arranged: measure root canal working length in the endodontic procedure.Root canal working length is meant from corona side to the length of physiology's apical foramen of tooth and since it be root canal preparation and root-canal filling the length that should reach, so measure root canal most important accurately.The method of the measurement root canal working length of present clinical use; Mainly be to use apparatus such as K type file; Combine root pipe measuring instrument (and X-ray film) to confirm the insertion length of this K type file again; In the length data that reads the insertion length on the K type file on the measure the root canal length chi, confirm root canal working length then with this.But the problem of appearance is here, and the measure the root canal length chi is shared, and is difficult to sterilization owing to its structural reason causes the measure the root canal length chi again, and the non-sterilization of measure the root canal length chi is reused and caused the cross infection between the patient probably like this.In addition, this method also can cause the repeatedly comparison between survey tool, dip stick, preparation instrument and filler, has increased doctor's the work that repeats.
Summary of the invention
For overcoming the deficiency of prior art, the present invention provides a kind of and sterilizes easily, can effectively prevent cross infection and can directly measure and read the special-purpose root canal working length pin of root canal working length.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this root canal working length pin is by Anti-slip handle (1) and be attached thereto the measurement needle body (2) that connects and constitute; The top that it is characterized in that measuring needle body (2) is the scale section (3) that is carved with mark line; The bottom is for inserting active section (4); On the different scale line segments on the scale section (3), scribble the coat of colo(u)r of being convenient to distinguish; Keeper (5) also is installed on scale section (3), and keeper (5) can be done upper and lower displacement along the scale section under the effect of external force.When measuring root canal working length; The Anti-slip handle (1) of hand-held root canal working length pin; And cooperate root pipe measuring instrument, surveyingpin is inserted the root pipe that active section (4) directly inserts trouble tooth to be measured, till the lower prong of active section (4) reaches physiology's apical foramen of tooth; Then keeper (5) is displaced downwardly to corona and contacts; Take out surveyingpin this moment, just can directly read the mark line position of keeper on the scale section of surveyingpin (=directly read the degree of depth that surveyingpin stretches into trouble tooth to be measured) according to the different colours on the scale section again, obtains needed root canal working length.It is thus clear that the present invention directly is used to measure root canal working length, can accomplish a people one usefulness, and sterilization can guard against cross infection effectively easily; Simultaneously, also need not when the present invention uses to have utilized the measure the root canal length chi again, solved the past thus because of using the incidental cross infection problem of this dip stick.
Because root canal working length in most cases is in the scope of 18mm to 26mm (millimeter); Laying respectively at apart from the position of needle body lower end 18mm, 20mm, 22mm, 24mm, 26mm on above-mentioned scale section (3) is carved with mark line for this reason; Simultaneously laying respectively on the scale section (3) scribble on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm adjacent between the color layers of different colours each other so that directly read root canal working length.A kind of color rendering intent that can select wherein is to scribble red, yellow, blue, green, black color layers on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm successively laying respectively on the scale section (3).
In order to enlarge the measurement scope of application of surveyingpin; Also can laying respectively on above-mentioned scale section (3) be carved with mark line, just set up several graduation marks at 12mm, 14mm, 16mm, 28mm, 30mm place again apart from the position of needle body lower end 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm; Simultaneously laying respectively on the scale section (3) scribble on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm adjacent between the color layers of different colours each other so that directly read root canal working length.A kind of color rendering intent that can select wherein is to scribble red, yellow, blue, green, black color layers on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm successively laying respectively on the scale section (3); In the color layers that scribbles black on the segment apart from needle body lower end 12～13mm, 14～15mm, 16～17mm, 28～29mm, 30～31mm that lays respectively on the scale section (3), promptly adopt density bullet to represent the scale line segment that these are of little use again.
The present invention has the following advantages: it is to be exclusively used in the utensil of measuring root canal working length for (1); Can directly be used for measuring and reading root canal working length; Be used with root pipe measuring instrument and get final product; Need not to re-use the measure the root canal length chi that causes cross infection easily, also need not relend with apparatus such as K type files; (2) the itself sterilization can be accomplished a people one usefulness easily, effectively guards against cross infection; (3) different graduation marks are marked with different colours, the directly perceived and as easy as rolling off a log root canal working length that directly reads; (4) doctor can use this measure the root canal length pin directly to compare root pipe cutting apparatus or gutta percha point; To confirm active length; Past then needs repeatedly the root pipe to be cut in apparatus or the gutta percha point insertion root pipe dip stick to confirm active length, so the present invention can reduce doctor's workload.
Description of drawings
Further specify structure of the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Root canal working length pin of the present invention is seen Fig. 1, it by Anti-slip handle 1 be attached thereto the measurement needle body 2 that connects and constitute, measure needle body 2 and adopt stainless steels, upper coarse and lower fine, smooth surface does not have sword; The top of measuring needle body 2 is the scale section 3 that is carved with mark line; The bottom is for inserting active section 4; On the different scale line segments on the scale section (3), scribble the coat of colo(u)r of being convenient to distinguish, keeper 5 is installed on scale section 3, keeper 5 can be done upper and lower displacement along scale section 3 under the effect of external force.6 is portable hole among the figure.This portable hole is not essential, and it mainly is same as the wearing rubber band, this rubber band is enclosed within the doctor can prevents that apparatus from falling in the patient oral cavity on hand-held.Because root canal working length in most cases is in the scope of 18mm～26mm, so under normal conditions, mark line is carved with in laying respectively at apart from the position of needle body lower end 18mm, 20mm, 22mm, 24mm, 26mm on scale section 3; In order to enlarge the scope of application of the present invention, also can laying respectively on scale section 3 set up the scale mark line again apart from the position of needle body lower end 12mm, 14mm, 16mm, 28mm, 30mm.On the different scale line segments on the scale section 3, scribble the coat of colo(u)r of being convenient to distinguish.Wherein, A kind of modal mode of tinting is; Laying respectively on the scale section 3 scribble on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm adjacent between the color layers of different colours each other; Scribble red, yellow, blue, green, black different colours layer on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm successively such as being chosen in laying respectively on the scale section 3; The foundation of selecting this colour match is that box K type file (6) is followed successively by " white, red, yellow, blue, green, black " by its handle color of different model; Therefore the present invention adopts similar colour match so that the clinician accepts and memory (because surveyingpin of the present invention is a white treatment towel with the patient is background, the white of having die) when reading.For the root canal working length pin that has additional several graduation marks; A kind of mode of tinting wherein can be chosen as: scribble red, yellow, blue, green, black different colours layer, the color layers that scribbles black on the segment apart from needle body lower end 12～13mm, 14～15mm, 16～17mm, 28～29mm, 30～31mm laying respectively on the scale section 3 again (promptly adopting density bullet to represent the scale line segment that these are of little use) on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm successively laying respectively on the scale section 3.
When using the present invention to measure root canal working length; Hand-held Anti-slip handle 1 inserts active section 4 with surveyingpin and directly inserts in the root pipe of trouble tooth to be measured, and cooperates root pipe measuring instrument; The lower prong that always is inserted into its active section 4 reaches till physiology's apical foramen of tooth; Reduce keeper 5 then to contacting with corona, take out surveyingpin this moment, directly reads root canal working length and record by the different colours mark line again.Afterwards; When root canal preparation and root-canal filling; The tip of root pipe cutting apparatus or gutta percha point is gently contacted with the localizer of surveyingpin, and the localizer of adjusting root pipe cutting apparatus then gently contacts or on gutta percha point, does impression with the most advanced and sophisticated concordant position of surveyingpin and confirm active length with the most advanced and sophisticated of surveyingpin.Available pressure steam sterilization sterilization of the present invention is accomplished a people one usefulness, can effectively guard against cross infection; Can reduce simultaneously doctor's workload.
Claims (5)
1. root canal working length pin; By Anti-slip handle (1) be attached thereto the measurement needle body (2) that connects and constitute; The top that it is characterized in that measuring needle body (2) is the scale section (3) that is carved with mark line, and the bottom scribbles the coat of colo(u)r of being convenient to distinguish for inserting active section (4) on the different scale line segments on the scale section (3); Keeper (5) also is installed on scale section (3), and keeper (5) can be done upper and lower displacement along scale section (3) under the effect of external force.
2. according to the said root canal working length pin of claim 1; It is characterized in that laying respectively at apart from the position of needle body lower end 18mm, 20mm, 22mm, 24mm, 26mm on scale section (3) be carved with mark line, and laying respectively on the scale section (3) scribble on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm adjacent between the color layers of different colours each other.
3. according to the said root canal working length pin of claim 2, it is characterized in that scribbling red, yellow, blue, green, black color layers on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm successively laying respectively on the scale section (3).
4. according to the said root canal working length pin of claim 1; It is characterized in that laying respectively at apart from the position of needle body lower end 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm on scale section (3) be carved with mark line, and laying respectively on the scale section (3) scribble on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm adjacent between the color layers of different colours each other.
5. according to the said root canal working length pin of claim 4; It is characterized in that scribbling red, yellow, blue, green, black color layers on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm successively, in the color layers that scribbles black on the segment apart from needle body lower end 12～13mm, 14～15mm, 16～17mm, 28～29mm, 30～31mm that lays respectively on the scale section (3) laying respectively on the scale section (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101416833A CN102631252A (en) | 2012-05-09 | 2012-05-09 | Measuring needle for working length of root canal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101416833A CN102631252A (en) | 2012-05-09 | 2012-05-09 | Measuring needle for working length of root canal |
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| CN102631252A true CN102631252A (en) | 2012-08-15 |
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| CN2012101416833A Pending CN102631252A (en) | 2012-05-09 | 2012-05-09 | Measuring needle for working length of root canal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871838A (en) * | 2017-02-19 | 2017-06-20 | 郑州云海信息技术有限公司 | A kind of method for testing golden finger order of contact |
| CN111447887A (en) * | 2017-09-19 | 2020-07-24 | 大卫·J·克拉克 | Method and device for closing a space between teeth |
| WO2021047301A1 (en) * | 2019-09-09 | 2021-03-18 | 四川大学 | Prepared, stopping-depth-demarcated bur for use with prepared 3d-printed dental guide plate |
| CN112932693A (en) * | 2019-12-10 | 2021-06-11 | 白李生物科技有限公司 | Digital measuring device and measuring method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012019849A (en) * | 2010-07-13 | 2012-02-02 | Osada Res Inst Ltd | Dental root canal length measuring instrument |
| JP2012055458A (en) * | 2010-09-08 | 2012-03-22 | Osada Res Inst Ltd | Dental root canal length measuring instrument |
| CN202568517U (en) * | 2012-05-09 | 2012-12-05 | 四川大学 | Root canal working length measuring needle |
-
2012
- 2012-05-09 CN CN2012101416833A patent/CN102631252A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012019849A (en) * | 2010-07-13 | 2012-02-02 | Osada Res Inst Ltd | Dental root canal length measuring instrument |
| JP2012055458A (en) * | 2010-09-08 | 2012-03-22 | Osada Res Inst Ltd | Dental root canal length measuring instrument |
| CN202568517U (en) * | 2012-05-09 | 2012-12-05 | 四川大学 | Root canal working length measuring needle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871838A (en) * | 2017-02-19 | 2017-06-20 | 郑州云海信息技术有限公司 | A kind of method for testing golden finger order of contact |
| CN111447887A (en) * | 2017-09-19 | 2020-07-24 | 大卫·J·克拉克 | Method and device for closing a space between teeth |
| CN111447887B (en) * | 2017-09-19 | 2023-08-29 | 大卫·J·克拉克 | Method and device for closing a space between teeth |
| WO2021047301A1 (en) * | 2019-09-09 | 2021-03-18 | 四川大学 | Prepared, stopping-depth-demarcated bur for use with prepared 3d-printed dental guide plate |
| CN112932693A (en) * | 2019-12-10 | 2021-06-11 | 白李生物科技有限公司 | Digital measuring device and measuring method thereof |
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Effective date of abandoning: 20120815 |
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