CN217938404U

CN217938404U - Front tooth root canal punch-through drill

Info

Publication number: CN217938404U
Application number: CN202222122327.9U
Authority: CN
Inventors: 邹多宏; 郑吉驷; 杨驰; 张志愿
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Shanghai Gaochao Medical Technology Development Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-02
Anticipated expiration: 2032-08-11

Abstract

The utility model provides a preceding root canal break-over is bored, including stalk portion and the working part that connects gradually, the working part is including the drill bit section, the drill bit section is including first land and second land, first land is the heliciform winding with the second land, the cross-sectional area of drill bit section reduces along keeping away from the stalk portion direction gradually, the one end that the linkage segment was kept away from to first land with the linkage segment was kept away from to the second land one end cooperation forms the drill point, the cross-sectional area of drill point reduces to the sharp pointed end of top formation along keeping away from the stalk portion direction gradually, the drill bit section is equipped with the multichannel scale on the surface. The utility model provides a pair of preceding root canal break-through is bored, usable work portion carries out fast, safety and effectual expansion and break-through apex hole to preceding root canal, is favorable to the application of root shield technique.

Description

Front tooth root canal punch-through drill

Technical Field

The utility model belongs to the technical field of medical instrument, a preceding root canal break-over bores is related to.

Background

With the rapid development of implant restoration technology, students find that the preservation of healthy tooth roots plays an important role in maintaining the appearance of alveolar bones and resisting alveolar bone resorption. Therefore, when some scholars implant anterior teeth immediately, the labial tooth roots are reserved, and the palatal tooth roots are removed, so that the labial alveolar bone resorption can be effectively prevented, and the aesthetic effect of anterior tooth implant restoration is improved, and the technology is called 'root shield technology'. When the root canal shield technology is carried out, the root canal needs to be enlarged and penetrates through the root canal to the alveolar bone so as to be beneficial to root division in the near-far-middle direction. But currently there is no instrument for root canal enlargement and root canal penetration that is specific to this technique in the clinic.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide an anterior root canal penetration drill for solving the problem of the prior art that lacks a means for quickly, safely and effectively enlarging the anterior root canal and penetrating the apical hole.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a front root canal break-over bores, including stalk portion and the working part that connects gradually, the working part is including boring the sword section, boring the sword section including first land and second land, first land is the heliciform winding with the second land, the cross-sectional area of boring the sword section reduces along keeping away from the stalk portion direction gradually, first land keep away from the linkage segment one end with the linkage segment is kept away from to the second land one end cooperation forms the drill point, the cross-sectional area of drill point reduces to the sharp pointed end of top formation gradually along keeping away from the stalk portion direction, the boring the sword section is equipped with multichannel scale on the surface.

Preferably, the handle is cylindrical.

More preferably, the diameter of the shank is 2-3mm.

Preferably, the tail end of the handle part is provided with a buckle connected with the mobile phone for planting.

Preferably, the drill bit section is connected to the shank via a connecting section, the connecting section being cylindrical.

More preferably, the connecting section has a diameter of 2-3mm.

Preferably, the ratio of the length of the shank to the length of the working portion is 20-30:16-20.

More preferably, the length of the handle is 20-30mm.

More preferably, the length of the working portion is 16-20mm.

Preferably, a plurality of the scales are parallel and the scales are perpendicular to the extending direction of the drill blade section.

Preferably, the width of the first or second land decreases from the end proximal to the shank to the end distal to the shank.

Preferably, said first land and said second land are of the same width at the same cross-section of said drill edge section.

Preferably, a flute is provided between said first land and said second land.

More preferably, the flutes taper in width from an end proximal to the shank to an end distal to the shank.

Preferably, the sharp tip of the drill tip is tapered.

As mentioned above, the utility model provides a preceding root canal punch-through bores has following beneficial effect:

(1) The utility model provides a pair of preceding root canal break-over is bored can connect the planting cell-phone, is exclusively used in the brill that preceding root canal enlarges and break-over root of tooth, the advantage that this drilling tool is efficient, convenient to use, safety and expense are cheap.

(2) The utility model provides a pair of preceding root canal break-through is bored, usable work portion carries out fast, safety and effectual expansion and break-through apex hole to preceding root canal, is favorable to the application of root shield technique.

(3) The utility model provides a pair of anterior root canal punch-through drill, design benefit, simple structure, convenient operation, low cost is worth popularizing and applying very much.

Drawings

Fig. 1 shows a perspective view of an anterior root canal drill according to the present invention.

Fig. 2 shows a top view of an anterior root canal drill according to the present invention.

Fig. 3 shows a left side view of an anterior root canal penetrating drill according to the present invention.

Reference numerals

1. Handle part

2. Working part

21. Connecting segment

22. Drill bit section

221. First land

222. Second land

223. Drill tip

224. Chip groove

23. Scale with a plurality of scales

3. Buckle

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Further, the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The utility model provides a preceding root canal break-through is bored, as shown in fig. 1-3, including stalk portion 1 and the working part 2 that connects gradually, working part 2 is including boring sword section 22, it is including first land 221 and second land 222 to bore sword section 22, first land 221 is the heliciform winding with second land 222, the cross-sectional area of boring sword section 22 reduces along keeping away from 1 direction of stalk portion gradually, first land 221 keep away from the one end of linkage segment 21 with the one end cooperation that linkage segment 21 was kept away from to second land 222 forms drill point 223, the cross-sectional area of drill point 223 reduces to the sharp pointed end of top formation along keeping away from 1 direction of stalk portion gradually, it is equipped with multichannel scale 23 on the surface to bore sword section 22.

In the above device, as shown in fig. 1 and 3, the shank 1 has a cylindrical shape. Is convenient for the user to hold.

In one embodiment, the diameter of the handle 1 is 2-3mm.

In the device, as shown in fig. 1 and 3, a buckle 3 connected with a planting mobile phone is arranged at the tail end of the handle part 1. The diameter of the handle part 1 is consistent with that of a conventional planting drill, and the handle part is convenient to be connected with a planting mobile phone. The implant handpiece is a dental implant handpiece which is used conventionally.

In the above device, as shown in fig. 1 and 3, the drill-edge section 22 is connected to the shank 1 via a connecting section 21, and the connecting section 21 has a cylindrical shape.

In the above arrangement, the connecting section 21 has a diameter of 2-3mm.

In the device, the ratio of the length of the handle part 1 to the length of the working part 2 is 20-30:16-20.

In one embodiment, the handle 1 has a length of 20 to 30mm.

In one embodiment, the length of the working portion 2 is 16-20mm.

In the above device, as shown in fig. 1 and 3, the plurality of graduations 23 are parallel and the graduations 23 are perpendicular to the extending direction of the drill edge section 22. For indicating the depth of the borehole and identifying the distance from one end of the drill tip.

In the above-described device, as shown in fig. 1 and 3, the width of the first land 221 or the second land 222 gradually decreases from the end close to the shank 1 to the end far from the shank 1.

In the above arrangement, as shown in figures 1 and 3, the first land 221 and the second land 222, which are located on the same cross-section of the drill edge section 22, are the same width.

In the above-described device, as shown in fig. 1 and 3, a flute 224 is provided between the first land 221 and the second land 222.

The flute 224 is a spiral groove between the first land 221 and the second land 222, and is capable of discharging bone fragments during a drilling operation. The first land 221 and the second land 222 refer to adjacent portions of the drill edge section 22 that are helically wound.

In one embodiment, as shown in fig. 1 and 3, the flutes 224 gradually decrease in width from the end near the shank 1 to the end away from the shank 1.

In the above-described device, as shown in fig. 1-3, the first land 221 and the second land 222 are spirally wound, which means that the first land 221 and the second land 222 are twisted and rotated to form a spiral body similar to a twist.

In the above-described device, as shown in fig. 2, the sharp tip of the drill tip 223 is tapered. Facilitating penetration of the apical foramen.

The following describes a specific procedure of using an anterior root canal transfixion drill of the present invention with reference to fig. 1-3.

When the user obtains an anterior root canal drill as shown in fig. 1 to 3, the anterior root canal drill is clinically sterilized and then is clinically used. After a patient is subjected to general anesthesia and disinfection, the anterior root canal is fully exposed, the anterior root canal punch is installed on an implanting mobile phone through a buckle 3, the implanter drill is adjusted to 2000 r/min at a high speed, the root canal is expanded under the condition of full cooling of physiological saline, the drill is used for passing through a first blade 221 and a second blade 222 which are spirally wound in a drill blade section 22, and the first blade 221 and the second blade are matched with each other to form a drill tip 223 which is lifted and pulled up and down along the direction of the anterior root canal, the pulp cavity of the anterior root canal is expanded, and the depth of a drilled hole is observed through a scale 23. After the enlargement of the pulp cavity is finished, the proximal-distal medial rooting is carried out, and the tooth root at the jaw side is taken out. After the use, cleaning and disinfecting for standby.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The front root canal punch-through drill is characterized by comprising a handle part (1) and a working part (2) which are sequentially connected, wherein the working part (2) comprises a drill edge section (22), the drill edge section (22) comprises a first cutting land (221) and a second cutting land (222), the first cutting land (221) and the second cutting land (222) are spirally wound, the cross sectional area of the drill edge section (22) is gradually reduced along the direction of being far away from the handle part (1), one end, far away from the connecting section (21), of the first cutting land (221) and one end, far away from the connecting section (21), of the second cutting land (222) are matched to form a drill tip (223), the cross sectional area of the drill tip (223) is gradually reduced along the direction of being far away from the handle part (1) to the top end to form a sharp tip, and a plurality of scales (23) are arranged on the surface of the drill edge section (22).

2. An anteriorly rooted canal borer according to claim 1, wherein said shank (1) is cylindrical.

3. An anterior root canal drill according to claim 1, wherein the ratio of the length of the shank (1) to the length of the working portion (2) is 20-30:16-20.

4. The pronged canal drill according to claim 1, characterized by the fact that the tail end of said shank (1) is provided with a snap (3) for connection to an implant handpiece.

5. An anterior root canal drill according to claim 1, wherein the drill blade section (22) is connected to the shank (1) via a connecting section (21), the connecting section (21) being cylindrical.

6. The pregroove canal drill according to claim 1, wherein a plurality of the graduations (23) are parallel and the graduations (23) are perpendicular to the extension of the drill bit segment (22).

7. An anterior root canal drill according to claim 1, wherein the width of the first land (221) or the second land (222) decreases from the end near the shank (1) to the end far from the shank (1); and/or the first land (221) and the second land (222) are the same width at the same cross-section of the drill section (22).

8. An anterior root canal drill according to claim 1, wherein a flute (224) is provided between the first lobe (221) and the second lobe (222).

9. An anteriorly rooted canal auger according to claim 8, wherein the flutes (224) taper in width from an end adjacent the shank (1) to an end remote from the shank (1).