Positioning drill bit for nasal implantation

Abstract

The utility model relates to the technical field of oral implantation, and discloses a positioning drill bit for nasal implantation, which comprises a drill handle, a drill rod is fixedly connected to the bottom of the drill handle, a connecting sleeve is sleeved outside the drill handle, a telescopic groove is arranged at the bottom of the connecting sleeve, through holes which are uniformly distributed are arranged on two sides of the connecting sleeve in a penetrating manner, and the telescopic groove is communicated with the telescopic groove. Two mounting blocks are fixedly connected to the left side and the right side of the drill handle correspondingly, guide columns are fixedly connected to the front side and the rear side of the drill handle correspondingly, guide grooves are formed in the front side and the rear side in the telescopic groove correspondingly, limiting grooves are formed in the left side and the right side in the telescopic groove correspondingly, first threaded holes are formed in the outer sides of the two mounting blocks correspondingly, and a positioning groove is formed in the bottom of the drill rod. According to the drilling tool, the connecting sleeve, the telescopic groove, the through hole, the mounting block, the guide column, the guide groove, the limiting groove, the positioning head and the mounting assembly work in a matched mode, the drill handle is adjusted in the telescopic groove in a telescopic mode to be matched with the first screw for limiting, and the length of the drill handle can be adjusted according to needs.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral implantation technical field, concretely is a kind of positioning drill for nasal implantation. BACKGROUND

[0002] When being used for dental implantation surgery by nasal cavity route, positioning drill for nasal implantation is needed.When traditional intraoral implantation mode cannot be implemented due to alveolar bone serious atrophy, maxillary sinus bottom position is too low and other complex conditions, nasal implantation technology becomes a feasible alternative scheme.The main use of this drill is to accurately drill guide hole for implanting implant in jaw bone through the special channel of nasal cavity during operation, to ensure that implant can be placed in the appropriate position accurately.

[0003] The drill handle and drill rod are generally fixedly connected in the prior art, so the drill cannot be adjusted as required, and it is inconvenient to use.

[0004] To solve the above problems, a positioning drill for nasal implantation is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a positioning drill for nasal implantation, which solves the problem that the drill rod and drill are generally fixedly connected in the background technology, so the drill cannot be adjusted as required.

[0006] To achieve the above object, the utility model provides the following technical scheme: a positioning drill for nasal implantation, comprising a drill handle, a drill rod is fixedly connected to the bottom of the drill handle, a connecting sleeve is sleeved outside the drill handle, an expansion slot is formed in the bottom of the connecting sleeve, a plurality of through holes are formed in the two sides of the connecting sleeve, two mounting blocks are fixedly connected to the left and right sides of the drill handle, guide columns are fixedly connected to the front and rear sides of the drill handle, guide slots are formed in the front and rear sides of the expansion slot, limit slots are formed in the left and right sides of the expansion slot, first threaded holes are formed in the outer sides of the two mounting blocks, a positioning slot is formed in the bottom of the drill rod, four second threaded holes are formed in the positioning slot, an installation assembly is arranged in the positioning slot, a positioning head is connected to the bottom of the installation assembly, and a cutting edge is formed outside the drill rod.

[0007] Through the rotation of the positioning head drill, accurate positioning can be performed on the surface of the jaw bone, and the position and direction of the drill hole are ensured to be accurate.

[0008] As a further description of the above technical scheme, the installation assembly comprises a limiting seat, the limiting seat is arranged in the positioning slot, a plurality of positioning holes are formed in the four sides of the limiting seat, and the limiting seat is fixedly connected to the positioning head.

[0009] By adopting the technical scheme, the second screw of the mounting assembly can be unscrewed, and a new positioning head can be replaced, so that the positioning accuracy is ensured.

[0010] As a further description of the above technical scheme, the guide column is arranged in the guide groove, and the outer portion of the guide column is in sliding connection with the inner wall of the guide groove.

[0011] By adopting the technical scheme, the stability of the drill handle during adjustment in the telescopic groove can be improved by sliding of the guide column in the guide groove.

[0012] As a further description of the above technical scheme, the mounting block is arranged in the limiting groove, and the outer portion of the mounting block is in sliding connection with the inner wall of the limiting groove.

[0013] By adopting the technical scheme, the mounting block can slide along the limiting groove, and the stability is improved.

[0014] As a further description of the above technical scheme, the first screw is arranged in the through hole and is in screw connection with the first threaded hole at the inner end.

[0015] By adopting the technical scheme, the first screw can be screwed into the first threaded hole through the through hole, so that the adjusted drill handle can be fixed.

[0016] As a further description of the above technical scheme, the connecting sleeve is fixedly connected with the connecting portion at the top.

[0017] By adopting the technical scheme, the drill head can be conveniently mounted through the connecting portion.

[0018] As a further description of the above technical scheme, the positioning head is provided with a positioning blade at the outer portion.

[0019] By adopting the technical scheme, the positioning hole can be positioned and drilled.

[0020] As a further description of the above technical scheme, the second screw is arranged in the positioning hole and is in screw connection with the second threaded hole at the tail end.

[0021] By adopting the technical scheme, the second screw can be screwed into the second threaded hole through the positioning hole, so that the positioning head can be mounted and fixed.

[0022] Compared with the prior art, the utility model has the beneficial effects as follows:

[0023] The utility model provides a positioning drill bit for nasal implantation, through the cooperation of connecting sleeve, telescopic groove, through -hole, mounting block, guide column, guide groove, limiting groove, first screw, positioning head, mounting assembly, through telescopic adjustment cooperation first screw in telescopic groove of drill handle, can adjust the length of drill handle according to need, and the cooperation of the positioning head at the bottom of drill rod can be accurately positioned on the surface of the jaw bone, ensure that the position and direction of drilling are accurate, can also replace the new positioning head by unscrewing the second screw of mounting assembly, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole structure schematic diagram of the utility model;

[0025] Figure 2 It is the connecting sleeve sectional view of the utility model;

[0026] Figure 3 It is the drill rod structure schematic diagram of the utility model;

[0027] Figure 4 It is the mounting assembly structure schematic diagram of the utility model;

[0028] Figure 5 It is the positioning head structure schematic diagram of the utility model.

[0029] In the drawing: 1, drill handle;2, drill rod;3, connecting sleeve;4, telescopic groove;5, through -hole;6, mounting block;7, guide column;8, guide groove;9, limiting groove;10, first screw;11, first threaded hole;12, positioning head;13, limiting seat;14, positioning hole;15, positioning groove;16, second threaded hole;17, second screw;18, positioning blade;19, cutting blade;20, connecting portion. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of protection of the utility model.

[0031] For further understanding the contents of the utility model, the utility model is described in detail with reference to the drawings.

[0032] Reference Figures 1-5The utility model discloses a positioning drill bit for nasal implantation, including drill handle 1, the bottom fixed connection of drill handle 1 has drill rod 2, the outside of drill handle 1 is equipped with the connecting sleeve 3, the connecting sleeve 3 is convenient for adjusting the length of drill handle 1, the bottom of connecting sleeve 3 is equipped with telescopic groove 4, can be convenient for the installation of drill handle 1 through telescopic groove 4, the both sides of connecting sleeve 3 are equipped with the evenly distributed through -hole 5 who is penetrated and is equipped, can be convenient for the installation of first screw 10, the both sides of drill handle 1 are fixedly connected with two mounting blocks 6, through mounting block 6 cooperation first screw 10 can install drill handle 1, the both sides of drill handle 1 are fixedly connected with guide column 7, and guide column 7 plays the role of guiding, and the front and back sides of telescopic groove 4 are equipped with guide slot 8, and guide slot 8 cooperation guide column 7 can improve the stability of drill handle 1 adjustment, and the left and right sides of telescopic groove 4 are equipped with limit slot 9, and the outside of two mounting blocks 6 is equipped with first threaded hole 11, and the bottom of drill rod 2 is equipped with positioning groove 15, and positioning groove 15 cooperation limiting seat 13 can improve the stability of positioning head 12 installation, and four second threaded holes 16 are equipped in positioning groove 15, and mounting assembly is arranged in positioning groove 15, and the bottom of mounting assembly is connected with positioning head 12, and through positioning head 12 can attack a smaller positioning hole at the drilling place, and positioning head 12 will be positioned in the drill bit in the positioning hole, so can reduce the shaking of cutting edge 19 when drilling, and the outside of drill rod 2 is equipped with cutting edge 19.

[0033] Referring to Figure 4 , the mounting assembly comprises a limiting seat 13, the limiting seat 13 is arranged in the positioning groove 15, the limiting seat 13 is penetrated and is equipped with a positioning hole 14 in four edges, the bottom of the limiting seat 13 is fixedly connected with the positioning head 12, the second screw 17 is penetrated and is arranged in the positioning hole 14, the tail end of the second screw 17 is screwed with the second threaded hole 16, the second screw 17 of the mounting assembly can be unscrewed, and a new positioning head 12 is replaced, so that the accuracy of positioning is ensured.

[0034] Referring to Figure 2 , Figure 3 and Figure 4 , the guide column 7 is arranged in the guide slot 8, and the guide column 7 is slidably connected with the inner wall of the guide slot 8, and the stability of the drill handle 1 in the telescopic groove 4 can be improved by sliding the guide column 7 in the guide slot 8, the mounting block 6 is arranged in the limiting slot 9, and the mounting block 6 is slidably connected with the inner wall of the limiting slot 9, so that the mounting block 6 can slide along the limiting slot 9, and the stability is improved, the first screw 10 is penetrated and is arranged in the two through holes 5, and the inward end of the first screw 10 is screwed with the first threaded hole 11, and the first screw 10 can be screwed into the first threaded hole 11 through the through hole 5, so that the drill handle 1 after adjustment can be fixed, the connecting part 20 is fixedly connected with the top of the connecting sleeve 3, and the drill bit can be conveniently installed through the connecting part 20, and the positioning blade 18 is arranged on the outside of the positioning head 12.

[0035] Working principle: in use, first, the drill handle 1 is inserted into the telescopic groove 4 of the connecting sleeve 3, and the guide column 7 on the drill handle 1 is aligned with the guide groove 8 in the telescopic groove 4, and the mounting blocks 6 on both sides of the drill handle 1 are inserted into the limiting grooves 9 of the connecting sleeve 3. In this way, the drill handle 1 can stably slide up and down in the connecting sleeve 3, so that the drill handle 1 can be telescopic, the length of the drill handle 1 can be adjusted, and the connection accuracy and stability of the two are ensured. Then, the first screw 10 is inserted through the through hole 5 on both sides of the connecting sleeve 3 and screwed into the first threaded hole 11 on the mounting block 6, so as to fix the adjusted drill handle 1. At this time, the connecting part 20 at the top of the connecting sleeve 3 can be used for connecting with the implantation operation equipment (such as a drilling machine), so as to ensure that the drill bit can obtain stable power transmission. When connected to the implantation operation equipment, the equipment drives the drill bit to rotate. Because the cutting edge 19 is arranged on the outer part of the drill rod 2, in the rotating process, the positioning edge 18 at the bottom of the positioning head 12 is accurately positioned on the surface of the jaw bone with the rotation of the drill bit, so as to ensure that the position and direction of the drilling hole are accurate. At the same time, the cutting edge 19 cuts the jaw bone tissue, so as to gradually drill a guide hole. When it is necessary to replace the positioning head 12, the second screw 17 on four sides of the limiting seat 13 is unscrewed, so that the positioning head 12 can be pulled out from the positioning groove 15 through the limiting seat 13. The positioning head 12 can be disassembled and replaced.

[0036] It should be noted that, in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning drill bit for transnasal implantation, comprising a drill shank (1), characterized in that: The drill handle (1) bottom fixedly connected with drill rod (2), the drill handle (1) outside is equipped with connecting sleeve (3), the connecting sleeve (3) bottom is equipped with telescopic slot (4), the connecting sleeve (3) both sides are equipped with the evenly distributed through -hole (5), the drill handle (1) left and right sides are both fixedly connected with two mounting blocks (6), the drill handle (1) front and back sides are both fixedly connected with guide column (7), the telescopic slot (4) inside front and back sides are both equipped with guide slot (8), the telescopic slot (4) inside left and right sides are both equipped with limit slot (9), two The mounting block (6) outside are both equipped with first threaded hole (11), the drill rod (2) bottom is equipped with positioning groove (15), the positioning groove (15) is equipped with four second threaded hole (16), the positioning groove (15) is provided with installation assembly, the installation assembly bottom is connected with positioning head (12), the drill rod (2) outside is equipped with cutting edge (19).

2. The positioning drill bit for nasal implantation according to claim 1, characterized in that: The installation assembly includes limit seat (13), the limit seat (13) is provided in the positioning groove (15), the limit seat (13) four edges are all equipped with the through and be equipped with positioning hole (14), the limit seat (13) bottom is fixedly connected with positioning head (12).

3. The positioning drill bit for nasal implantation according to claim 1, characterized in that: The guide column (7) is provided in the guide slot (8), and the guide column (7) is slidably connected with the inner wall of the guide slot (8) outside.

4. The positioning drill bit for nasal implantation according to claim 1, wherein: The mounting block (6) is provided in the limit slot (9), and the mounting block (6) is slidably connected with the inner wall of the limit slot (9) outside.

5. The positioning drill bit for nasal implantation according to claim 1, wherein: Two the through -hole (5) are all equipped with first screw (10) and are provided with, and the first screw (10) is inward and is threadedly connected with the first threaded hole (11) one end.

6. The positioning drill bit for nasal implantation according to claim 1, wherein: The connecting sleeve (3) top is fixedly connected with connecting portion (20).

7. The positioning drill bit for nasal implantation according to claim 1, wherein: The positioning head (12) outside is equipped with positioning blade (18).

8. The positioning drill bit for nasal implantation according to claim 2, characterized in that: The positioning hole (14) is equipped with the second screw (17) and is provided with, and the second screw (17) end is threadedly connected with the second threaded hole (16).

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