Scale treatment device capable of quickly identifying working blade

Abstract

The utility model relates to the technical field of dental instruments, in particular to a scaler capable of quickly identifying a working blade. The scaler comprises a handle part and a working end. Wherein the working end is provided with a working edge in contact with the surface of a tooth body and a non-working side opposite to the working edge; and the scraping device is provided with an identification part which is arranged corresponding to the working blade. According to the utility model, the working blade confirmation speed and accuracy of dentists and instrument sharpening personnel can be improved, the working efficiency of the dentists is improved, and unnecessary loss of instruments is avoided at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of dental instruments, in particular to a curette capable of quickly identifying a working edge. Background Art

[0002] A curette is a dental medical instrument used for treating periodontal diseases, and its main body is mainly made of high-hardness stainless steel or tungsten carbide. The cutting edge of the working end of some curettes is formed into an inclined design by laser fine grinding (usually the inclined angle is 70° - 80°), so that a minimally invasive leveling effect of 0.2 mm - 0.3 mm can be achieved on the root surface by using the working edge. Therefore, the working edge of the curette can scrape off dental calculus, plaque and infected tissues around the teeth to reduce inflammation and promote periodontal healing.

[0003] Since the working surface of the working end of the curette has a certain inclination angle relative to the neck (shank), when a dentist uses the curette on a patient, the lowest end of the inclined working end (i.e., the working edge) needs to be used to contact the patient's teeth for scraping work. Therefore, before using the curette, the dentist needs to visually confirm the direction of the working edge of the curette (i.e., confirm the position of the lower end of the inclined working surface of the working end), and then perform the scraping work. For example, before using the curette, the dentist needs to hold the neck of the curette upright and place the working end of the curette at a position level with the line of sight, and then rotate the curette until the position of the working edge is confirmed, so as to confirm the working direction of the curette. This way of confirming the working direction of the curette is time-consuming and laborious, greatly reducing the working efficiency of the dentist.

[0004] In addition, since the working edge of the curette will wear during use and needs to be sharpened regularly to ensure the working efficiency, when the curette has been used for a period of time, the working end of the curette will gradually become narrower due to sharpening, and at this time it is more difficult to confirm the position of the working edge, that is, it is more difficult to confirm the working direction of the curette. Therefore, when a dentist uses a worn curette, it will be more difficult for the dentist to distinguish the working direction of the curette, thereby increasing the time for confirming the working direction of the curette and further reducing the working efficiency of the dentist. If the instrument sharpening personnel make a wrong judgment when distinguishing the working edge of the curette, it will cause unnecessary wear on the non-working side, and the working edge is not sharpened, resulting in instrument loss while not improving the sharpness of the working edge, affecting the scraping effect and even causing the instrument to break.

[0005] Therefore, how to improve the speed of the dentist to confirm the working edge (i.e., confirm the working direction of the curette) during work, thereby improving the working efficiency of the dentist, and at the same time improving the accuracy of the instrument sharpening personnel to distinguish the working edge has become an urgent problem to be solved at present. Summary of the Utility Model

[0006] The object of the present utility model is to provide a scaler capable of quickly identifying the working edge to solve the problems existing in the above-mentioned prior art.

[0007] To achieve the above object, the present utility model provides the following solution:

[0008] A scaler capable of quickly identifying the working edge, which includes a handle portion and a working end, wherein:

[0009] The working end has a working edge for contacting the tooth surface and a non-working side opposite thereto; and the scaler is provided with a marking portion, and the marking portion is arranged corresponding to the working edge.

[0010] According to an embodiment of the present utility model, the marking portion has one of the following structures:

[0011] (a) A structure in which at least a part of the marking portion protrudes from the surface of the surrounding member of the marking portion, that is, having a protruding structure;

[0012] (b) A structure in which at least a part of the marking portion is lower than the surface of the surrounding member of the marking portion, that is, having a concave structure;

[0013] (c) A structure in which at least a part of the marking portion is flush with the surface of the surrounding member of the marking portion.

[0014] Wherein, the above-mentioned surrounding member is a part of the member corresponding to the setting position of the marking portion. For example, when the marking portion is arranged on the handle portion, the surrounding member refers to the handle portion. When the marking portion is arranged on a part of the handle portion and the neck portion, the surrounding member refers to the handle portion and the neck portion. When the marking portion is arranged on the neck portion, the surrounding member refers to the neck portion.

[0015] According to an embodiment of the present utility model, the marking portion includes a marking layer. Preferably, the marking layer is arranged on the surface of the handle portion. Further preferably, the marking layer has a color that is easy to identify. The marking layer can be arranged on the surface of the scaler through known processes. For example, through a spraying process, especially a nano-spraying process. The coating thickness is not limited, and can be, for example, 1-1000 μm, preferably 50-800 μm, more preferably 10-500 μm, such as 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, 100 μm, 200 μm, 300 μm, 400 μm, etc. In a certain embodiment, the marking layer has wear resistance and / or corrosion resistance. For example, the wear resistance level reaches the ASTM D4060 standard 5H. For another example, the marking layer can withstand solvents, especially the corrosion or dissolution of alcohol solvents, that is, the marking material can withstand disinfection treatment.

[0016] According to an embodiment of the present utility model, the identification part further includes a groove. Preferably, the identification layer is disposed in the groove. The depth of the groove is 0.001 mm - 0.5 mm, preferably 0.01 mm - 0.5 mm, more preferably 0.02 - 0.45 mm, still more preferably 0.05 - 0.3 mm, such as 0.1 mm, 0.2 mm. The forming process of the groove is not limited. For example, a laser engraving process can be used to embed it into the surface layer of the handle.

[0017] According to an embodiment of the present utility model, when the viewing angle is from the working edge to the handle, the depth direction of the groove is located in the counterclockwise direction of the length direction of the working edge, and the included angle between the two directions is 40° - 50°. Thereby, it can be avoided that when holding the handle, the holding part and the identification part completely overlap, which may affect the identification of the working edge direction.

[0018] According to some embodiments of the present utility model, the setting position of the identification part is not limited as long as it is convenient for use. In one embodiment, at least a part of the identification part is disposed on the handle. In another embodiment, at least a part of the identification part is located on the neck.

[0019] According to an embodiment of the present utility model, the handle further includes a holding part, and at least a part of the identification part does not overlap with the holding part.

[0020] According to an embodiment of the present utility model, the corresponding setting includes at least one of the following setting methods:

[0021] (1), the identification part is set to indicate one side of the working edge for directly indicating the position of the working edge;

[0022] (2), the identification part is set to indicate the non - working side position of the curette, thereby indirectly indicating the position of the working edge.

[0023] According to an embodiment of the present utility model, the curette includes at least one selected from a first curette, a second curette, a third curette, and a fourth curette. Preferably, the model of the first curette is 5 / 6, and it has a first identification portion; the model of the second curette is 7 / 8, and it has a second identification portion; the model of the third curette is 11 / 12, and it has a third identification portion; the model of the fourth curette is 13 / 14, and it has a fourth identification portion. Preferably, the first identification portion to the fourth identification portion are each provided with an identification layer of a different color. For example, the first identification portion has color A, the second identification portion has color B, the third identification portion has color C, and the fourth identification portion has color D, and colors A - D are different colors. The colors A - D in the present utility model are not limited, and preferably international standard color numbers are used. By making the marking color and the working end number uniquely bound through color and model, a system corresponding to color and model is formed. Preferably, international standard color numbers are used. For example, model 5 / 6 corresponds to yellow (Pantone 109C), 7 / 8 corresponds to green (Pantone 356C), 11 / 12 corresponds to red (Pantone 185C), 13 / 14 corresponds to blue (Pantone 285C), and the color difference tolerance ΔE ≤ 2.0.

[0024] According to an embodiment of the present utility model, the neck is located at one end of the handle, and the working end is located at the end of the neck away from the handle. One end of the neck close to the handle is an inverted frustum structure, and the end of the neck away from the handle is a columnar structure. Preferably, the working end is located at the end of the neck away from the handle, and the working end has a working surface. When the neck is perpendicular to the ground, the working surface is inclined relative to the horizontal plane, and the edge on the relatively lower side of the working surface is the working edge.

[0025] According to an embodiment of the present utility model, the identification portion includes a groove, the groove is opened on the curette, and the groove is arranged corresponding to the working edge; and the groove is filled with an identification layer.

[0026] According to an embodiment of the present utility model, the groove is an elongated structure, preferably extending along the length direction of the handle, and at this time it can be called an identification long groove. Preferably, the width of the identification long groove is the same as the width of the small circular surface of the inverted frustum structure of the neck. Preferably, the length of the identification long groove is one-sixth of the length of the handle.

[0027] According to an embodiment of the present utility model, the identification long groove is opened at the end of the handle and is parallel to the length direction of the handle; and both ends of the identification long groove are opened on the handle and the inverted frustum structure of the neck respectively.

[0028] According to an embodiment of the present utility model, one end of the identification long groove facing the direction of the working edge is an arrow structure, that is, the arrow structure is correspondingly arranged with the working edge.

[0029] According to an embodiment of the present utility model, the included angle between the depth direction of the identification long concave and the length direction of the working edge is 40° - 50°, thereby avoiding the identification part being blocked when holding the handle.

[0030] According to an embodiment of the present utility model, the neck is a bent structure. The bent structure is not limited and can be any structure known in the art. For example, the structure of the HU-Friedy brand or other similar structures.

[0031] According to an embodiment of the present utility model, the included angle between the working edge and the lower half part after the columnar structure of the neck is bent is 70° - 80°.

[0032] According to an embodiment of the present utility model, anti-slip patterns are provided on the handle. Preferably, the anti-slip patterns include a plurality of anti-slip small grooves opened on the handle along the circumferential direction of the handle, and a plurality of layers of the anti-slip small grooves are sequentially arranged along the axial direction of the handle.

[0033] The present utility model has at least the following technical effects:

[0034] The curette for quickly identifying the working edge provided by the present utility model, through the setting of the identification part, can not only enable dentists to quickly identify the working direction of the curette, thereby improving the working efficiency of dentists, but also in some embodiments, by associating the identification part with the model, dentists can quickly distinguish different models of curettes, thereby avoiding confusion of different models of curettes and improving the working efficiency of dentists. In addition, through the setting of the identification part, the present utility model can also increase the teaching efficiency for novice doctors or young doctors during the teaching process.

[0035] In certain embodiments, the curette can be more accurately identified. Through its "color + position" dual coding system, the accuracy rate of the working edge direction identification working end orientation is increased to 100%.

[0036] In certain embodiments, by making the marking width greater than the width of the working edge to avoid visual misjudgment (such as reflection interference), the anti-interference ability of the curette is improved.

[0037] In certain embodiments, the ergonomics of the curette is better. Through the fact that the marking area of the last 1 / 6 length conforms to the visual field range when the thumb is naturally held, operation without line-of-sight deviation is achieved.

[0038] In some embodiments, the durability of the scraper is better, and the laser engraving process is used to ensure that the mark does not fade after long-term use, including resistance to friction, high temperature and high pressure sterilization, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0041] Figure 2 for Figure 1 Schematic diagram of the overall structure from another angle;

[0042] Figure 3 This is a schematic diagram of the overall structure of the utility model from a side view;

[0043] Figure 4 This is a schematic diagram of the overall structure of the utility model from a side view;

[0044] Figure 5 for Figure 3 A partial enlarged view of the middle A;

[0045] Figure 6 for Figure 4 A partial enlarged view of point B in the middle;

[0046] Figure 7 for Figure 3 A partial enlarged view of point C in the middle;

[0047] Figure 8 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0048] Among them, 1. handle; 2. anti-slip texture; 3. small anti-slip groove; 4. neck; 5. groove; 6. identification layer; 7. working end; 701. working edge. DETAILED DESCRIPTION

[0049] The features and exemplary embodiments of various aspects of the present utility model will be described in detail below. In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present utility model and are used to exemplarily illustrate the principles of the present utility model, and are not configured to limit the present utility model. Additionally, the components in the drawings are not necessarily drawn to scale. For example, the dimensions of some components or regions in the drawings may be enlarged for other components or regions to assist in understanding the embodiments of the present utility model.

[0050] The orientation terms appearing in the following description are all the directions shown in the figures and do not limit the specific structure of the embodiments of the present utility model. In the description of the present utility model, it should be noted that unless otherwise specified, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0051] In addition, the terms "comprising", "including", "having" or any other variants thereof are intended to cover non-exclusive inclusion, such that a series of elements, structural components or assemblies includes not only those elements but also other structural components or assemblies that are not explicitly listed or are inherent to the structural components and assemblies. Without further limitation, the elements defined by the statement "comprising..." do not exclude the existence of additional identical elements in the article or device comprising the elements.

[0052] Spatial relationship terms such as "below", "beneath", "under", "lower", "above", "on", "upper", etc. are used to facilitate description and to explain the positioning of one element relative to a second element, and are intended to cover different orientations of the device in addition to the orientations shown in the figures. Additionally, for example, "one element is on / under another element" can mean that the two elements are in direct contact or that there are other elements between the two elements. Furthermore, terms such as "first", "second", etc. are also used to describe various elements, regions, parts, etc., and do not particularly refer to an order or sequence, and should not be construed as limiting. Similar terms represent similar elements throughout the description.

[0053] For those skilled in the art, the present utility model can be implemented without some of these specific details. The following description of the embodiments is only provided to provide a better understanding of the present utility model by showing examples of the present utility model.

[0054] Refer toFigure 1-8 , the present utility model provides a scaler capable of quickly identifying a working edge. The scaler includes a handle 1, a neck 4, a working end 7, and a working edge 701, where:

[0055] Referring to Figure 1-6 , the neck 4 is located at one end of the handle 1, the working end 7 is located at the end of the neck 4 away from the handle 1. One end of the neck 4 close to the handle 1 is of an inverted frustum structure, and the end of the neck 4 away from the handle 1 is of a columnar structure. That is, the large circular surface of the inverted frustum structure is connected to the handle 1, and the small circular surface of the inverted frustum structure is connected to the columnar structure of the working end 7.

[0056] In this embodiment, the handle 1, the neck 4, the working end 7, and the working edge 701 can all be made of metal materials, such as medical-grade titanium alloy known in the art, which is not particularly limited herein.

[0057] In this embodiment, the connection methods between the handle 1, the neck 4, the working end 7, and the working edge 701 can all be methods known in the art, such as connecting by welding. Alternatively, the handle 1, the neck 4, the working end 7, and the working edge 701 can be integrally formed, which is not particularly limited herein.

[0058] In this embodiment, referring to Figure 1 , Figure 2 or Figure 4 , both the handle 1 and the neck 4 can be of a cylindrical structure, and the cross-sectional diameter of the neck 4 is smaller than that of the handle 1.

[0059] In this embodiment, referring to Figure 1-5 , the diameter of the large circular surface of the inverted frustum structure part of the neck 4 can be smaller than the cross-sectional diameter of the handle 1, and the diameter of the small circular surface of the inverted frustum structure part of the neck 4 can be equal to the cross-sectional diameter of the columnar structure part of the working end 7.

[0060] In this embodiment, referring to Figure 1-5 , a bevel transition structure can be provided at the connection between the handle 1 and the neck 4.

[0061] According to an embodiment of the present utility model, referring to Figure 1 , Figure 2 and Figure 4-7 , the working end 7 is located at the end of the neck 4 away from the handle 1. When the end of the neck 4 is perpendicular to the ground, the working surface of the working end 7 is arranged in an inclined manner relative to the ground or the working surface forms a certain inclination angle with the neck 4. The lowest end of the inclined working surface of the working end 7 is the working edge 701, and the working edge 701 is the side that contacts the tooth surface. The included angle between the working surface and the neck 4 on the side of the working edge 701 is 70°.

[0062] In this embodiment, referring to Figure 8, the overall shape of the working end 7 is not particularly limited and can be any shape known in the art. Exemplarily, for example, it can be a flat cuboid structure, and chamfering treatments are provided at the four corners of the working end 7 of the cuboid structure. Additionally, the cross-sectional shape of the working end 7 is not limited. Preferably, it is a semi-circular arc structure.

[0063] According to an embodiment of the present invention, referring to Figure 1-6 , a marking portion is provided on the curette, and the marking portion is correspondingly arranged with the working edge 701, that is, the end of the marking portion close to the working end 7 points to the position of the working edge 701, so that dentists and instrument sharpening personnel can quickly identify the position of the working edge 701 (i.e., the direction when the working end 7 works).

[0064] According to an embodiment of the present invention, referring to Figure 1-6 , the marking portion includes a marking long groove 5, the marking long groove 5 is opened on the curette, and the marking long groove 5 is correspondingly arranged with the working edge 701 (i.e., the end of the marking long groove 5 close to the working end 7 points to the position of the working edge 701). The marking long groove 5 is filled with a marking layer 6.

[0065] In this embodiment, referring to Figure 1-6 , the marking long groove 5 can be a cuboid structure.

[0066] In this embodiment, the marking layer 6 can be a non-toxic nano-scale corrosion-resistant material with color filled in the marking long groove 5, using materials known in the art. For example, known blue nano-cobalt blue materials, green polyaniline nano materials, white nano-titanium dioxide materials, or brown nano-ferroferric oxide materials in the art can be used, and no special limitation is made here.

[0067] Furthermore, the marking layer 6 can also be a layer of pigment sprayed in the marking long groove 5 through a nano-spraying process known in the art, and then a heat-resistant, corrosion-resistant, transparent, and non-toxic filling material known in the art can be filled in the marking long groove 5, such as a transparent filling masterbatch containing anhydrous transparent powder or PEA material, and no special limitation is made here.

[0068] In this embodiment, when the marking layer 6 is filled in the marking long groove 5, the end of the marking layer 6 away from the working end of the curette can be polished into the same shape as the appearance of the curette, so that the integrity of the marking layer 6 and the curette is better and will not affect the use of dentists.

[0069] In an embodiment of the present utility model, the above-mentioned nano-scale corrosion-resistant material, transparent filling masterbatch containing anhydrous transparent powder, and PEA material all have excellent corrosion resistance and high-temperature resistance, improving the durability of the identification layer 6. For example, when the scaler is wiped with alcohol for disinfection multiple times, the above materials will not corrode excessively, and thus will not fade, ensuring the normal progress of the subsequent working edge identification work. For another example, when the scaler is disinfected at high temperature (135 °C), the above materials will not be damaged, and thus the normal progress of the subsequent working edge identification work can also be ensured.

[0070] In this embodiment, there is no particular limitation on the way of opening the identification long groove 5 on the scaler. It can be opened on the scaler by using the known CNC machining process in the art, or the position of the scaler that needs to be grooved can be etched by using the known mask spraying process in the art, thereby opening the identification long groove 5 on the scaler.

[0071] In addition, in an embodiment of the present utility model, since the scaler models for scaling different tooth positions (such as anterior teeth or posterior teeth) and different tooth surfaces (such as buccal-lingual side, mesial or distal) (such as the 5 / 6, 7 / 8, 11 / 12, and 13 / 14 models of the HU-Friedy brand known in the art) are different, dentists need to frequently replace different models of scalers when scaling different tooth positions of patients. However, the appearances of different models of scalers are very similar. Therefore, when dentists replace different models of scalers, they cannot quickly select the required model of scaler, which is extremely likely to cause confusion and also reduces the work efficiency of dentists. By the above setting of using a colored identification layer 6 or spraying pigments in the identification long groove 5, different models of scalers can be marked with different colors. For example, a yellow identification layer 6 is used in the identification long groove 5 of the 5 / 6 model scaler, or yellow pigment is sprayed in the identification long groove 5 of the 5 / 6 model scaler, and then a green identification layer 6 is used in the identification long groove 5 of the 7 / 8 model scaler, or green pigment is sprayed in the identification long groove 5 of the 7 / 8 model scaler, and so on. Thus, dentists can quickly distinguish the required model of scaler, without causing confusion, greatly improving the work efficiency of dentists.

[0072] Meanwhile, when teaching novice doctors or young doctors about curettes of different models, the common memory of colors and different models of curettes can also be utilized to improve the teaching efficiency. For example, when novice doctors or young doctors need to learn about curettes of models 5 / 6 and 7 / 8, they can quickly develop the muscle memory and visual reflex of "yellow for model 5 / 6 and green for model 7 / 8", thereby improving the teaching efficiency. Meanwhile, in subsequent internship work, there will be no errors in selecting different curette models, and the smooth progress and work efficiency of curettage work can also be ensured.

[0073] According to an embodiment of the present invention, referring to Figure 1-6 , the depth of the identification long groove 5 is 0.2 mm - 0.5 mm, preferably 0.5 mm. The width of the identification long groove 5 is the same as the width of the small circular surface of the inverted frustum structure of the neck 4, and the length of the identification long groove 5 is one-sixth of the length of the handle 1.

[0074] In this embodiment, the length of the handle 1 can be 120 mm, and the length of the identification long groove 5 is one-sixth of the length of the handle 1. Therefore, the length of the identification long groove 5 can be 25 mm.

[0075] In this embodiment, the width of the small circular surface of the inverted frustum structure of the neck 4 can be 2 mm. Therefore, the width of the identification long groove 5 can also be 2 mm.

[0076] According to an embodiment of the present invention, referring to Figure 1-6 , the identification long groove 5 is opened at the end of the handle 1, and the identification long groove 5 is arranged parallel to the handle 1; both ends of the identification long groove 5 are respectively opened at the end of the handle 1 and the inverted frustum structure of the neck 4.

[0077] In this embodiment, referring to Figure 1-6 , since the length of the identification long groove 5 is one-sixth of the length of the handle 1, and the length of the end of the neck 4 is less than one-sixth of the length of the handle 1. Therefore, when the identification long groove 5 is opened at the end of the handle 1, both ends thereof will protrude from both ends of the handle end. Thus, both ends of the identification long groove 5 can be respectively opened at the handle 1 and the inverted frustum structure of the neck 4.

[0078] According to an embodiment of the present invention, referring to Figure 2 or Figure 5 , one end of the identification long groove 5 close to the working edge 701 is an arrow structure, and the arrow structure is arranged corresponding to the working edge 701 (i.e., pointing to the working edge 701).

[0079] In this embodiment, the arrow structure can be an obtuse angle structure, and its included angle points to the working edge 701.

[0080] According to an embodiment of the present invention, referring toFigure 8 The included angle between the groove depth direction of the identification long groove 5 and the length direction of the working end 7 is 40° - 50°, preferably 45°.

[0081] In this embodiment, referring to Figure 8 , since the identification long groove 5 is a groove structure and is opened on the curette, the groove depth direction of the identification long groove 5 is the direction pointing to the center of the cross-section of the curette handle. The length direction of the working end 7 is Figure 8 the length direction from left to right of the working end 7 in

[0082] In an embodiment of the present utility model, when a dentist uses the curette of the present utility model for curettage work, the dentist's finger is very likely to block the identification layer 6, which may lead to the situation that the position of the working edge 701 cannot be confirmed during the work process. Through the above-mentioned included angle setting, the situation that the dentist's finger blocks the identification layer 6 during the work process can be effectively avoided. Furthermore, the dentist can always confirm the position of the working edge 701 during the work process, ensuring the smooth progress of the curettage work and further improving the work efficiency of the dentist.

[0083] According to an embodiment of the present utility model, referring to Figure 6 , the columnar structure of the neck 4 is a bent structure. In this embodiment, the columnar structure of the neck 4 is a cylindrical structure.

[0084] In an embodiment of the present utility model, through the setting of the bent structure, when the neck 4 extends into the patient's oral cavity, the adaptability to the patient's oral cavity can be improved, further ensuring the smooth progress of the curettage work.

[0085] According to an embodiment of the present utility model, referring to Figure 7 , the included angle between the working plane of the working end 7 and the lower half part (lower shank) of the bent columnar structure of the neck 4 is 70°. This included angle is the included angle between the direction from top to bottom on one side of the working edge 701 in Figure 7 and the direction from right to left of the working plane of the working end 7 in Figure 7 .

[0086] According to an embodiment of the present utility model, referring to Figure 1-4 , anti-slip lines 2 are provided on the handle 1. Through the setting of the anti-slip lines 2, the friction between the dentist's hand and the curette can be increased.

[0087] Preferably, referring to Figure 1-4 , the anti-slip lines 2 include a plurality of anti-slip small grooves 3 opened on the handle 1 along the circumferential direction of the handle 1, and a plurality of layers of the anti-slip small grooves 3 are arranged along the axial direction of the handle 1.

[0088] In this embodiment, referring to Figure 1-4, the shape of the anti-slip small groove 3 can be an oval structure.

[0089] In this embodiment, referring to Figure 1-4 , multiple anti-slip small grooves 3 can be arranged circumferentially on the handle 1 for each layer, for example, 10, and multiple layers of anti-slip small grooves 3 can be arranged axially on the handle 1, for example, 8 layers. Among them, those skilled in the art can also adjust the number and layers of the anti-slip small grooves 3 according to the actual situation as long as the anti-slip effect can be achieved, and no special limitation is made here.

[0090] The above embodiments of the present invention can be combined with each other and have corresponding technical effects.

[0091] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A scraper capable of quickly identifying a working edge, characterized in that: The scraper comprises a handle (1) and a working end (7), wherein: The working end (7) has a working edge (701) for contacting a tooth surface and a non-working side opposite thereto; and the scraper is provided with an identification portion, the identification portion being arranged corresponding to the working edge (701).

2. The scaler capable of quickly identifying the working edge according to claim 1, characterized in that: The identification portion has one of the following structures: (a) a structure in which at least a portion of the logo portion protrudes from the surface of the component surrounding the logo portion; (b) a structure in which at least a portion of the logo portion is lower than the surface of the component surrounding the logo portion; (c) A structure in which at least a portion of the logo portion and a surface of a component surrounding the logo portion are flat.

3. The scraper capable of quickly identifying the working edge according to claim 2, characterized in that: The identification portion comprises an identification layer (6).

4. The scaler capable of quickly identifying a working edge according to claim 3, characterized in that: The identification portion further comprises a groove (5), and the identification layer (6) is arranged in the groove (5).

5. The scaler capable of quickly identifying a working edge according to claim 4, characterized in that: The depth of the groove (5) is 0.001 mm-0.5 mm.

6. The scaler capable of quickly identifying a working edge according to claim 4, characterized in that: When the viewing angle is from the working edge to the handle, the depth direction of the groove (5) is located in the counterclockwise direction of the length direction of the working edge (701), and the angle between the two directions is 40°-50°.

7. The scaler capable of quickly identifying a working edge according to claim 1, characterized in that: At least a portion of the identification portion is arranged on the handle (1).

8. The scaler capable of quickly identifying a working edge according to claim 1, characterized in that: The scraper further comprises a neck (4) connecting the handle (1) and the working end (7), and at least a part of the identification portion is located on the neck (4).

9. The scaler capable of quickly identifying a working edge according to claim 1, characterized in that: The handle (1) further comprises a gripping portion, and at least a portion of the identification portion does not overlap with the gripping portion.

10. The scaler capable of quickly identifying a working edge according to claim 1, characterized in that: The corresponding setting includes at least one of the following setting methods: (1) The marking portion is configured to indicate one side of the working edge (701), and is further used to directly indicate the position of the working edge (701); (2) The marking portion is configured to indicate the non-working side of the working end (7), thereby indirectly indicating the position of the working edge (701).

11. The scaler capable of quickly identifying a working edge according to claim 1, characterized in that: The scraper comprises at least one selected from a first scraper, a second scraper, a third scraper and a fourth scraper; The model of the first scraper is 5 / 6, which has a first identification portion; the model of the second scraper is 7 / 8, which has a second identification portion; the model of the third scraper is 11 / 12, which has a third identification portion; and the model of the fourth scraper is 13 / 14, which has a fourth identification portion.

12. The scaler capable of quickly identifying a working edge according to claim 11, characterized in that: The first to fourth identification portions are each provided with an identification layer (6) of a different color.

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