Multifunctional high-sharpness hollow dental drill

Abstract

A multifunctional high-sharpness hollow dental drill is characterized in that the interior of the dental drill is hollow to form a cooling channel, the dental drill sequentially comprises a dental drill body from front to back, the dental drill body comprises a drill tip, a drill edge and a directional flat position which are sequentially arranged from front to back, and the drill tip is provided with a top angle and a rear angle; a spiral groove is formed in the drill edge, and a liquid drainage groove is formed in the tail end of the spiral groove. And the dental drill body is connected with the quick-mounting interface. According to the multifunctional high-sharpness hollow dental drill disclosed by the utility model, the dental drill adopts a hollow inner-cooling water spraying design, so that cooling liquid can accurately reach a drilling point, and the cooling and chip removal effects of the dental drill are improved; the combination of the top angle and the rear angle of the drill tip and the spiral groove of the drill edge enables the dental drill body to be sharp and durable and directly achieves the function of a centering drill at the same time, the drainage groove is more beneficial for discharging bone scraps in an operation, a dentist can be reminded of the depth of drilling into the bone through the marked color ring, and the success rate of the operation is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a multifunctional high-sharpness hollow dental drill. Background Art

[0002] The existing dental drills on the market generally have the following problems: 1. When drilling in the bone, there is a risk of burning the dental nerve due to untimely cooling; 2. Before drilling, a center drill is required to locate the point before drilling. The above secondary operations have the risk of drilling deviation; 3. The drilling depth of the dental drill is difficult to control, which is a disadvantageous factor during surgery.

[0003] Therefore, the utility model designs a multifunctional and high-sharpness hollow dental drill. To address the above problems, a hollow inner cooling water spray structure is designed to enhance the cooling function and take into account the centering drill function. At the same time, the eye-catching color ring can remind the doctor the depth of drilling into the bone, thereby improving the success rate of the operation. Utility Model Content

[0004] Purpose of the utility model: In order to overcome the above shortcomings, the purpose of the utility model is to provide a multifunctional and high-sharpness hollow dental drill, which adopts a hollow internal cooling water spray design so that the coolant can accurately reach the drilling point, thereby improving the cooling and chip removal effects of the dental drill. The design of the top angle, back angle and flat blade groove of the drill tip realizes a good centering drill function, and the drainage groove is more conducive to the discharge of bone chips during surgery. The marking color ring can remind the dentist of the depth of drilling into the bone, and the application prospect is broad.

[0005] Technical solution: A multifunctional high-sharpness hollow dental drill, wherein the interior of the dental drill is hollow to form a cooling channel, and the dental drill comprises, from front to back, the following:

[0006] A dental drill body, the dental drill body comprising a drill tip, a drill blade, and a directional flat position arranged in sequence from front to back, the drill tip is provided with a top angle and a back angle, the drill blade is provided with a spiral groove and a drainage groove is provided at the end of the spiral groove;

[0007] A quick-release interface, the dental drill body is connected to the quick-release interface.

[0008] The multifunctional high-sharpness hollow dental drill of the utility model has a reasonable structural design. The dental drill adopts a hollow inner cooling water spraying design, so that the coolant can accurately reach the drilling point, thereby improving the cooling and chip removal effects of the dental drill; the combination of the top angle, the back angle of the drill tip and the spiral groove of the drill blade makes the dental drill body sharp and durable while directly realizing the centering drill function; the drainage groove located at the end of the drill blade and above the directional flat position enables the coolant to carry bone chips and be discharged in time during drilling to prevent blockage.

[0009] Preferably, the quick-install interface is an internationally universal quick-install interface. The internationally universal quick-install interface can be used for precise positioning.

[0010] Furthermore, in the above-mentioned multifunctional high-sharpness hollow dental drill, the top angle of the drill tip is 6°, and the back angle of the drill tip is 20°.

[0011] Furthermore, the multifunctional high-sharpness hollow dental drill mentioned above is also provided with a flat blade groove on the drill tip.

[0012] The utility model adopts the design of a drill tip with a top angle of 6°, a back angle of 20° and an enlarged flat blade groove, and the combination thereof realizes a good centering drilling function.

[0013] Furthermore, in the above-mentioned multifunctional high-sharpness hollow dental drill, the spiral groove of the drill blade is 22°.

[0014] The drill blade adopts a 22° helix angle design, which takes into account both sharpness and wear resistance.

[0015] Furthermore, the multifunctional high-sharpness hollow dental drill is also provided with a marking color ring on the drill blade.

[0016] In order to remind the doctor of the depth of drilling into the bone, a marking color ring is set on the drill blade. Through the visual color ring reminder design, the depth of the dental drill drilling into the bone can be compared by the marking color ring. The marking color ring is set before the dental drill approaches the upper limit of the depth.

[0017] Furthermore, in the above-mentioned multifunctional high-sharpness hollow dental drill, the marking color ring is composed of a plurality of black and white laser marking color rings.

[0018] The black and white laser-marked color ring can remind doctors of the depth of drilling into the bone, thus improving the success rate of the operation.

[0019] Preferably, the marking color ring consists of four black and white laser marking color rings.

[0020] Furthermore, in the above-mentioned multifunctional high-sharpness hollow dental drill, the water spray port in the groove of the cooling channel is located at the edge between the drill tip and the drill blade, and the water spray port in the groove is located at the bottom center of the quick-release interface.

[0021] Furthermore, the surface of the dental drill is provided with a titanium nitride coating.

[0022] A titanium nitride coating is provided on the surface of the dental drill to increase the surface hardness and prolong the service life of the dental drill.

[0023] The beneficial effects of the utility model are as follows: the multifunctional high-sharpness hollow dental drill described in the utility model has a reasonable structural design, and the dental drill adopts a hollow internal cooling water spray design, so that the coolant can accurately reach the drilling point, thereby improving the cooling and chip removal effect of the dental drill; the dental drill adopts a drill tip top angle of 6°, a back angle of 20° and a design of an enlarged flat blade groove, and the combination thereof realizes a good centering drill function; the drill blade of the dental drill adopts a 22° spiral angle design, which takes into account both sharpness and wear resistance, and a drainage groove is arranged at the end of the spiral groove, which is conducive to the coolant to be able to carry bone chips and be discharged in time during drilling to prevent blockage; a marking color ring is arranged on the drill blade of the dental drill, and through the visual color ring reminder design, the depth of the dental drill drilling into the bone can be compared with the marking color ring, thereby reminding the doctor of the depth of drilling into the bone, thereby improving the success rate of the operation; a titanium nitride coating is arranged on the surface of the dental drill, which can increase the surface hardness and increase the service life of the dental drill. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a cross-sectional view of the multifunctional and highly sharp hollow dental drill of the utility model;

[0025] Figure 2 It is a partially enlarged schematic diagram of the multifunctional high-sharpness hollow dental drill of the utility model;

[0026] Figure 3 The structure of the multifunctional high-sharpness hollow dental drill of the utility model is shown in FIG. Figure 1 ;

[0027] Figure 4 The structure of the multifunctional high-sharpness hollow dental drill of the utility model is shown in FIG. Figure 2 ;

[0028] In the figure: a dental drill 1, a cooling channel 11, a water spray port 111 in the groove, a spray port 112 in the groove, a dental drill body 12, a drill tip 121, a top angle 1211, a back angle 1212, a flat blade groove 1213, a drill blade 122, a spiral groove 1221, a drainage groove 1222, a marking color ring 1223, a directional flat position 123, and a quick-release interface 13. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1 , 2 , 3, 4 and Example 1, Example 2 further illustrate the utility model.

[0030] Example 1

[0031] like Figure 1As shown, the multifunctional high-sharpness hollow dental drill of the utility model has a cooling channel 11 formed in the hollow inside of the dental drill 1, and the dental drill 1 includes a dental drill body 12 and a quick-release interface 13 from front to back, and the dental drill body 12 is connected to the quick-release interface 13. The quick-release interface 13 adopts an internationally universal quick-release interface and can be accurately positioned.

[0032] Further, such as Figure 1 As shown, the water spray port 111 in the groove of the cooling channel 11 is located at the edge between the drill tip 121 and the drill blade 122, and the spray port 112 in the groove is located at the bottom center of the quick-release interface 13. The design of the hollow inner cooling water spray allows the coolant to accurately reach the drilling point, thereby improving the cooling and chip removal effects of the dental drill.

[0033] Further, such as Figure 1 , 2 As shown, the dental drill body 12 includes a drill tip 121, a drill blade 122, and a directional flat position 123 arranged in sequence from front to back. The drill tip 121 is provided with a top angle 1211, a back angle 1212, and a flat blade groove 1213, and the combination thereof realizes a good centering drill function. The drill blade 122 is provided with a spiral groove 1221 for drilling, and a drainage groove 1222 is provided at the end of the spiral groove 1221. The design of the drainage groove 1222 is conducive to the timely discharge of coolant with bone chips during drilling to prevent blockage.

[0034] Further, such as Figure 1 As shown, a marking color ring 1223 is also provided on the drill blade 122. Through the visual color ring reminder design, the depth of the dental drill drilling into the bone can be compared by the marking color ring. The marking color ring is set before the dental drill approaches the upper limit of the depth.

[0035] Example 2

[0036] Based on the structural basis of Example 1 above, Figure 1 , 2 , 3, and 4.

[0037] The multi-section high-performance woodworking drill and milling cutter described in the utility model has a top angle 1211 of 6°, a back angle 1212 of 20°, and an enlarged flat blade groove 1213. The combination of the top angle of 6°, the back angle of 20° and the enlarged flat blade groove of the drill tip achieves a good centering drilling function.

[0038] Furthermore, the spiral groove 1221 of the drill blade 122 is 22°, and the 22° helix angle design is adopted to take both sharpness and wear resistance into consideration.

[0039] Furthermore, the marking color ring 1223 is composed of a plurality of black and white laser marking color rings. The eye-catching black and white laser marking color rings can remind the doctor of the depth of drilling into the bone, thereby improving the success rate of the operation. Preferably, the marking color ring is composed of 4 black and white laser marking color rings.

[0040] Furthermore, a titanium nitride coating is provided on the surface of the dental drill 1 , which can increase the surface hardness and improve the service life of the dental drill 1 .

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. A multifunctional high-sharpness hollow dental drill, characterized in that: The dental drill (1) is hollow inside to form a cooling channel (11), and the dental drill (1) comprises, from front to back: A dental drill body (12), the dental drill body (12) comprising a drill tip (121), a drill blade (122), and a directional flat part (123) arranged in sequence from front to back, the drill tip (121) being provided with a top angle (1211) and a back angle (1212), the drill blade (122) being provided with a spiral groove (1221), and a drainage groove (1222) being provided at the end of the spiral groove (1221); A quick-release interface (13), the dental drill body (12) being connected to the quick-release interface (13).

2. The multifunctional high-sharpness hollow dental drill according to claim 1, characterized in that: The top angle (1211) of the drill tip (121) is 6°, and the back angle (1212) of the drill tip (121) is 20°.

3. The multifunctional high-sharpness hollow dental drill according to claim 2, characterized in that: The drill tip (121) is also provided with a flat blade groove (1213).

4. The multifunctional high-sharpness hollow dental drill according to claim 1, characterized in that: The spiral groove (1221) of the drill blade (122) is 22°.

5. The multifunctional high-sharpness hollow dental drill according to claim 1, characterized in that: A marking color ring (1223) is also provided on the drill blade (122).

6. The multifunctional high-sharpness hollow dental drill according to claim 5, characterized in that: The marking color ring (1223) is composed of a plurality of black and white laser marking color rings.

7. The multifunctional high-sharpness hollow dental drill according to claim 1, characterized in that: The water spray port (111) in the groove of the cooling channel (11) is located at the edge between the drill tip (121) and the drill blade (122), and the water spray port (112) in the groove is located at the bottom center of the quick-install interface (13).

8. The multifunctional high-sharpness hollow dental drill according to claim 1, characterized in that: The surface of the dental drill (1) is provided with a titanium nitride coating.

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