CN202568517U - Root canal working length measuring needle - Google Patents
Root canal working length measuring needle Download PDFInfo
- Publication number
- CN202568517U CN202568517U CN 201220205802 CN201220205802U CN202568517U CN 202568517 U CN202568517 U CN 202568517U CN 201220205802 CN201220205802 CN 201220205802 CN 201220205802 U CN201220205802 U CN 201220205802U CN 202568517 U CN202568517 U CN 202568517U
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- China
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- root canal
- working length
- scale section
- needle body
- measuring needle
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Abstract
The utility model discloses a root canal working length measuring needle. The root canal working length measuring needle is composed of an anti-skid handle (1) and a measuring needle body (2) which is connected with the anti-skid handle (1), and is characterized in that the upper portion of the measuring needle body (2) is a scale section (3) engraved with marking lines, the lower portion of the measuring needle body (2) is an inserting working section (4), a locating piece (5) is arranged on the scale section (3), and the locating piece (5) can move vertically along the scale section (3) under external force. Different scale line sections on the scale section (3) are coated with color layers which can facilitate distinguishing. By matching with a root canal measuring instrument, inserting working section (4) of the measuring needle can be directly inserted into a root canal of a diseased tooth waiting to be measured until the lower sharp tip of the working section (4) reaches a physiology apical foramen, then the locating piece (5) can be adjusted downwards to contact with a dental crown, the measuring needle can be taken out, and the root canal working length can be directly read according to the marking lines of different colors. The root canal working length measuring needle can be disinfected easily and effectively prevent cross infection because the root canal working length measuring needle is used only by one person at one time.
Description
Technical field
This utility model relates to a kind of root canal working length instrument, belongs 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, this utility model 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.
This utility model 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); Keeper (5) 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, keeper (5) is displaced downwardly to corona contacts then, take out surveyingpin this moment; Directly read the mark line position of keeper on the scale section of surveyingpin, can obtain needed root canal working length.It is thus clear that this utility model 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, this utility model also need not to have utilized the measure the root canal length chi again when using, and has solved the past 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.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, promptly set up several graduation marks at 12mm, 14mm, 16mm, 28mm, 30mm place apart from the position of needle body lower end 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm.The labelling of these graduation marks is convenient to directly read root canal working length.
On the different scale line segments on the above-mentioned scale section (3), scribble the coat of colo(u)r of being convenient to distinguish.The degree of depth that surveyingpin stretches into trouble tooth to be measured, i.e. root canal working length are read in the setting of this coat of colo(u)r more easily.
Wherein a kind of color matching method is, laying respectively on the above-mentioned 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.Such as; 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), this color matching mode can be so that be followed successively by the K type of the different model of " white, red, yellow, blue, green, black " and make smooth with a file mutually and match with the handle color; Again because this utility model surveyingpin is to be background with patient's white treatment towel when reading, so can remove white.
If this utility model surveyingpin has been set up several graduation marks at 12mm, 14mm, 16mm, 28mm, the 30mm place of its scale section, these graduation marks that are of little use then with density bullet.That is to say; A concrete scheme of this utility model surveyingpin is; Red, yellow, blue, green except scribbling successively on the segment apart from needle body lower end 18～19mm, 20～21mm, 22～23mm, 24～25mm, 26～27mm, the black color layers, also 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 above-mentioned scale section (3).
The utlity model has following advantage: 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 this utility model can reduce doctor's workload.
Description of drawings
Further specify this utility model structure below in conjunction with accompanying drawing and embodiment.
Fig. 1 is this utility model structural representation.
The specific embodiment
This utility model root canal working length pin 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, and the bottom is equipped with keeper 5 for inserting active section 4 on scale section 3, and 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 this utility model, 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; Such as 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; 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 this utility model 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; Its mode of tinting can be: 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, again 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.
When using this utility model 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.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.This utility model available pressure steam sterilization sterilization is accomplished a people one usefulness, can effectively guard against cross infection; Can reduce simultaneously doctor's workload.
Claims (7)
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; The bottom is equipped with keeper (5) for inserting active section (4) on scale section (3), 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.
3. 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.
4. according to claim 1,2 or 3 said root canal working length pins, it is characterized in that on the different scale line segments on the scale section (3), scribbling the coat of colo(u)r of being convenient to distinguish.
5. according to claim 2 or 3 said root canal working length pins, it is characterized in that 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.
6. according to the said root canal working length pin of claim 5, 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).
7. according to the said root canal working length pin of claim 3; 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 |
|---|---|---|---|
| CN 201220205802 CN202568517U (en) | 2012-05-09 | 2012-05-09 | Root canal working length measuring needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205802 CN202568517U (en) | 2012-05-09 | 2012-05-09 | Root canal working length measuring needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202568517U true CN202568517U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220205802 Expired - Fee Related CN202568517U (en) | 2012-05-09 | 2012-05-09 | Root canal working length measuring needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202568517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631252A (en) * | 2012-05-09 | 2012-08-15 | 四川大学 | Measuring needle for working length of root canal |
-
2012
- 2012-05-09 CN CN 201220205802 patent/CN202568517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631252A (en) * | 2012-05-09 | 2012-08-15 | 四川大学 | Measuring needle for working length of root canal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140509 |