Electric drill for cleaning dental pulp of teeth

Abstract

The utility model belongs to the technical field of dental medical instruments, and particularly relates to an electric drill for cleaning dental pulp. The electric drill comprises an electric drill body, the electric drill body comprises a grab handle and a drill bit, a connecting part for connecting the drill bit is fixed on the grab handle, a fixing pipe is independently sleeved on the drill bit below the connecting part, the fixing pipe is connected with the outer side wall of the connecting part through a connecting mechanism, an adsorption pipe is arranged on the side wall of the fixing pipe, and the adsorption pipe is communicated with the fixing pipe. And a negative pressure mechanism for generating negative pressure in the adsorption pipe is arranged on the adsorption pipe. When teeth are drilled through the drill bit, negative pressure is generated in the adsorption pipe and the fixing pipe at the same time, powder generated when the teeth are drilled through the drill bit is sucked into the adsorption pipe through the fixing pipe, and the generated powder is treated while the teeth are drilled, so that the powder in the oral cavity of a patient is reduced; the subsequent oral cavity flushing time can be shortened, the oral cavity can be conveniently flushed, and therefore the operation time of a doctor is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dental medical instrument technical field, especially a kind of electric drill for tooth pulp cleaning. BACKGROUND

[0002] Tooth is the important organ of human and many animals for masticating food, tooth includes dental crown, dental root and dental pulp, in use process, its tooth is susceptible to bacterial infection, such as the integrity of tooth surface is destroyed, the bacteria in oral cavity, such as dental caries (worm tooth), infect dental pulp tissue, bacteria can also be caused by periodontal disease infection, retrograde into dental pulp;In order to eliminate inflammation, prevent infection spread and restore tooth function, dental pulp needs to be cleaned, root canal treatment and dental pulp removal are used to clean dental pulp, which all need to drill hole on the top of dental crown, then clean.

[0003] And the top of tooth needs to be drilled hole using electric drill, also called dental drill, is a kind of electric tool specially designed for dental treatment, the current electric drill includes handle and drill bit, one end of handle is fixed with connecting part for clamping and driving drill bit to rotate;In actual use process, the existing electric drill is simply used to drill hole on tooth, and the part of tooth contacted with drill bit is turned into powder by drill bit during drilling, and the powder of tooth is not processed synchronously at present, and the powder in oral cavity is washed separately, such as using saliva aspirator, but due to the space in oral cavity and the operation of doctor's equipment, such as operation on upper teeth, doctor needs to operate electric drill with one hand, and needs to operate mouth mirror with the other hand, so that the powder generated during drilling cannot be cleaned synchronously, and the powder needs to be washed after drilling, which can cause the powder to enter deep oral cavity, and cause discomfort to patient, and the powder splashes everywhere, and the washing is not convenient, and separate washing also needs to increase time. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of electric drill for tooth pulp cleaning, to process the powder generated when drilling hole on tooth.

[0005] The electric drill for tooth pulp cleaning, including electric drill body, electric drill body includes handle and drill bit, handle is fixed with the connecting part of drill bit connection, drill bit below the connecting part is independently covered with fixed tube, fixed tube is connected with the outside wall of connecting part by connecting mechanism, the sidewall of fixed tube is provided with adsorption pipe, adsorption pipe is connected with fixed tube, and negative pressure mechanism is arranged on adsorption pipe to generate negative pressure in its interior.

[0006] Further, the connecting mechanism comprises a C-shaped clamping block, and a bolt is arranged on a side wall of the clamping block close to the opening and used for abutting the clamping block and the connecting part.

[0007] Further, a top plate is horizontally arranged on the top of the clamping block and used for preventing the clamping block from sliding downward.

[0008] Further, the bottom of the clamping block is beyond the connecting part, and a connecting pipe is arranged on the inner side of the bottom of the clamping block and used for being screwed with the fixed pipe.

[0009] Further, an outer thread is arranged on the outer side wall of the bottom of the connecting pipe, and an inner thread is arranged on the inner side wall of the top of the fixed pipe.

[0010] Further, a limiting block is arranged on the inner side wall of the fixed pipe, and the top end of the adsorption pipe is below the bottom end of the connecting pipe after the limiting block contacts the bottom end of the connecting pipe.

[0011] Further, a funnel-shaped first guide block is arranged in the fixed pipe below the adsorption pipe.

[0012] Further, a funnel-shaped second guide block is arranged in the fixed pipe below the first guide block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a drill bit is used for drilling tooth, simultaneously makes the negative pressure in adsorption pipe and fixed pipe, and the powder produced when drilling tooth with the drill bit is sucked into the adsorption pipe through the fixed pipe, and the powder produced when drilling tooth is handled, thereby reducing the powder in the oral cavity of patient, can reduce the oral cavity flushing length of follow -up, and the oral cavity is washed conveniently, thereby reducing the operation length of doctor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is Figure 1 The top view structural schematic diagram of the clamping block;

[0017] Figure 3 It is Figure 1 The front view structural schematic diagram of the utility model;

[0018] Names of components in the drawing: 1, handle;2, connecting part;3, top plate;4, clamping block;5, connecting pipe;6, limiting block;7, fixed pipe;8, first guide block;9, second guide block;10, drill bit;11, adsorption pipe. DETAILED DESCRIPTION

[0019] The utility model makes further illustration through specific embodiment in combination with drawings, but not to limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

[0020] The electric drill for dental pulp cleaning in the embodiment comprises an electric drill body, the electric drill body comprises a handle 1 and a drill bit 10, a connecting part 2 for connecting the drill bit 10 is fixed on the handle 1, the connecting part 2 clamps the drill bit 10, and a rotating mechanism for driving the drill bit 10 to rotate is arranged in the connecting part 2, the handle 1 is a hollow structure and can be installed with an electric wire, the structure of the handle 1, the drill bit 10 and the connecting part 2 is the prior art, and is the structure of the prior electric drill for drilling teeth. Figure 1 、 Figure 2 and Figure 3 A fixing pipe 7 is independently sleeved on the drill bit 10 below the connecting part 2, a suction pipe 11 is arranged on the side wall of the fixing pipe 7, the suction pipe 11 is connected with the fixing pipe 7 and communicates with the fixing pipe 7, a through hole that communicates inside and outside is formed in the side wall of the fixing pipe 7, the through hole is located in the upper half of the fixing pipe 7, one end of the suction pipe 11 is fixed in the through hole in the side wall of the fixing pipe 7, so that the suction pipe 11 and the fixing pipe 7 are connected and communicate with each other, the other end of the suction pipe 11 is connected with a collecting barrel, the collecting barrel is connected with a negative pressure pump, the negative pressure pump is the prior dental negative pressure pump, the negative pressure pump makes the suction pipe 11 generate negative pressure, so that the fixing pipe 7 generates negative pressure, of course, the suction pipe 11 can also be connected with a dental negative pressure suction machine through the collecting barrel, and the negative pressure pump or the negative pressure suction machine is a negative pressure mechanism for generating negative pressure in the suction pipe 11.

[0021] A clamping block 4 in a "C" type structure is sleeved on the connecting part 2, a bolt for making the clamping block 4 adhere to the connecting part 2 is arranged on the side wall of the clamping block 4 close to the opening, and the clamping block 4 is connected with the fixing pipe 7.

[0022] A clamping block 4 in a "C" type structure is sleeved on the connecting part 2, a bolt for making the clamping block 4 adhere to the connecting part 2 is arranged on the side wall of the clamping block 4 close to the opening, and the clamping block 4 is connected with the fixing pipe 7. Figure 1As shown in the middle position, the opening of the clamping block 4 faces the left side, the bolt is arranged on the front side or the rear side of the clamping block 4, and a threaded hole that is screwed with the screw rod of the bolt is arranged on the side wall of the front side or the rear side of the clamping block 4. The screw rod of the bolt is arranged on the top of the connecting part 2 through the threaded hole, so that the inner side wall of the clamping block 4 is tightly attached to the connecting part 2, the clamping block 4 and the connecting part 2 are connected, and the inner side wall of the clamping block 4 is in an arc structure, which can increase the contact area of the clamping block 4 and the connecting part 2, thereby increasing the fixing effect. Of course, in some embodiments, the clamping block 4 can also be in a "H" type structure, the clamping block 4 and the connecting part 2 are connected through the bolt, or the clamping block 4 can also not have the bolt, the clamping block 4 is made of elastic material, the connecting part 2 is in a cylindrical shape, the diameter of the inner side wall of the clamping block 4 is consistent with the outer diameter of the connecting part 2, and the clamping block 4 is tightly attached to the connecting part 2 in a natural state. The content in this paragraph constitutes a connecting mechanism for connecting the fixed pipe 7 and the outer side wall of the connecting part 2.

[0023] The top of the clamping block 4 is horizontally fixed with a top plate 3 for preventing the clamping block 4 from sliding downward, and the top plate 3 is fixed on the top of the inner side wall of the clamping block 4. Of course, the width of the opening of the clamping block 4 is not less than the outer diameter of the connecting part 2, so that the clamping block 4 can be horizontally inserted into the outside of the connecting part 2. The top plate 3 is attached to the top of the connecting part 2, the downward movement of the top plate 3 is blocked by the connecting part 2, thereby preventing the clamping block 4 from sliding downward, and increasing the fixing effect of the clamping block 4 and the connecting part 2.

[0024] The bottom of the clamping block 4 exceeds the connecting part 2, and the inner side of the bottom of the clamping block 4 is fixed with a connecting pipe 5. The bottom of the connecting pipe 5 exceeds the clamping block 4 and is threadedly connected with the fixed pipe 7. The fixed pipe 7 and the clamping block 4 are detachably connected through the connecting pipe 5. In this way, during installation, the clamping block 4 can be connected with the connecting part 2 first, and then the drill bit 10 is connected to the connecting part 2. Since the length of the connecting pipe 5 is relatively short, the connecting pipe 5 can reduce the blocking of the line of sight of the drill bit 10, thereby facilitating the connection of the drill bit 10 and the connecting part 2.

[0025] The outer side wall of the bottom of the connecting pipe 5 is provided with external threads, the outer diameter of the connecting pipe 5 is consistent with the inner diameter of the fixed pipe 7, the inner side wall of the top of the fixed pipe 7 is provided with internal threads, the fixed pipe 7 is screwed into the bottom end of the connecting pipe 5, and the fixed pipe 7 and the connecting pipe 5 are threadedly connected. Of course, in some embodiments, the outer diameter of the fixed pipe 7 can be consistent with the inner diameter of the connecting pipe 5, the inner side wall of the connecting pipe 5 is provided with internal threads, the outer side wall of the top of the fixed pipe 7 is provided with external threads, and the connecting pipe 5 and the fixed pipe 7 can also be threadedly connected.

[0026] The inner side wall of the fixed pipe 7 is fixed with a limiting block 6, the limiting block 6 is provided with two blocks and is symmetrically fixed on the inner side wall of the fixed pipe 7, and after the limiting block 6 contacts the bottom end of the connecting pipe 5, the horizontal height of the top end of the adsorption pipe 11 is lower than the horizontal height of the bottom end of the connecting pipe 5, so as to avoid that the connecting pipe 5 blocks the adsorption pipe 11, and the connecting length of the fixed pipe 7 and the connecting pipe 5 can be limited by the limiting block 6; of course, the connecting length of the fixed pipe 7 and the connecting pipe 5 can also be controlled by the clamping block 4, and after the fixed pipe 7 contacts the bottom end of the clamping block 4, the horizontal height of the adsorption pipe 11 is lower than the horizontal height of the bottom end of the connecting pipe 5.

[0027] The fixed pipe 7 below the adsorption pipe 11 is fixed with a funnel-shaped first guide block 8, the first guide block 8 is large at the top and small at the bottom, the diameter of the inner side wall of the fixed pipe 7 at the bottom of the first guide block 8 can be reduced, so as to increase the adsorption force at the bottom end of the first guide block 8, and the powder and the like can be easily sucked into the fixed pipe 7 and the adsorption pipe 11, of course, the caliber of the bottom end of the first guide block 8 is not less than the caliber of the largest part of the drill bit 10, and when the fixed pipe 7 and the connecting pipe 5 are connected, the first guide block 8 is avoided from being blocked by the drill bit 10.

[0028] The fixed pipe 7 below the first guide block 8 is fixed with an inverted funnel-shaped second guide block 9, the second guide block 9 is small at the top and large at the bottom, the caliber of the top of the second guide block 9 is consistent with the caliber of the bottom end of the first guide block 8, the bottom end of the second guide block 9 is flush with the bottom end of the fixed pipe 7, and the inclined shape of the second guide block 9 facilitates the powder at the bottom of the fixed pipe 7 to enter the fixed pipe 7, and the bottom of the first guide block 8 is avoided from blocking the powder.

[0029] The working principle and technical effects of the embodiment are as follows:

[0030] In use, the clamping block 4 is clamped outside the connecting part 2, then the clamping block 4 and the connecting part 2 are fixed by bolts, then the drill bit 10 is connected with the connecting part 2 through the connecting pipe 5, then the fixed pipe 7 is sleeved outside the drill bit 10 and is threadedly connected with the connecting pipe 5, then the drill bit 10 is rotated to drill the tooth by holding the handle 1, and at the same time, the negative pressure pump on the adsorption pipe 11 is started to generate negative pressure in the adsorption pipe 11 and the fixed pipe 7, the powder generated by the drill bit 10 drilling the tooth is sucked into the fixed pipe 7 and then into the adsorption pipe 11, and the powder generated by the drill bit 10 drilling the tooth is adsorbed at the same time, so as to reduce the amount of powder splashed into the patient's oral cavity, reduce the discomfort of the patient, and reduce the amount of powder in the patient's oral cavity, facilitate the flushing liquid, shorten the time, reduce the flushing time of the doctor, and reduce the operation time.

Claims

1. An electric drill for endodontic cleaning, comprising a drill body comprising a handle (1) and a drill head (10), a connection portion (2) being fixed on the handle (1) for connecting the drill head (10), characterized in that: The drill (10) below the connecting part (2) is independently sleeved with a fixing pipe (7), the fixing pipe (7) is connected with the outer side wall of the connecting part (2) through a connecting mechanism, the side wall of the fixing pipe (7) is provided with a suction pipe (11), the suction pipe (11) is connected with the fixing pipe (7) and communicates with each other, and the suction pipe (11) is provided with a negative pressure mechanism for generating negative pressure in the suction pipe (11).

2. An electric bur for endodontic debridement according to claim 1, characterized in that: The connecting mechanism comprises a clamping block (4) in a "C" type structure, the side wall near the opening of the clamping block (4) is provided with a bolt for abutting the clamping block (4) and the connecting part (2), and the clamping block (4) is connected with the fixing pipe (7).

3. An electric bur for endodontic debridement according to claim 2, characterized in that: The top of the clamping block (4) is horizontally fixed with a top plate (3) for preventing the clamping block (4) from sliding downward.

4. An electric bur for endodontic debridement according to claim 3, characterized in that: The bottom of the clamping block (4) is beyond the connecting part (2), and the inner side of the bottom of the clamping block (4) is fixed with a connecting pipe (5), the bottom of the connecting pipe (5) is beyond the clamping block (4) and is screw-connected with the fixing pipe (7).

5. An electric bur for endodontic debridement according to claim 4, characterized in that: The outer side wall of the bottom of the connecting pipe (5) is provided with external threads, and the inner side wall of the top of the fixing pipe (7) is provided with internal threads.

6. An electric bur for endodontic debridement according to claim 5, characterized in that: The inner side wall of the fixing pipe (7) is fixed with a limiting block (6), and when the limiting block (6) contacts the bottom end of the connecting pipe (5), the top end of the suction pipe (11) is lower than the bottom end of the connecting pipe (5) in horizontal height.

7. An electric bur for endodontic debridement according to claim 6, characterized in that: The fixing pipe (7) below the suction pipe (11) is fixed with a funnel-shaped first guide block (8).

8. An electric bur for endodontic debridement according to claim 7, characterized in that: The fixing pipe (7) below the first guide block (8) is fixed with a second guide block (9) in an inverted funnel shape.

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