CN210383974U - Straight-blade drill bit with bone retention function - Google Patents
Straight-blade drill bit with bone retention function Download PDFInfo
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- CN210383974U CN210383974U CN201820113220.9U CN201820113220U CN210383974U CN 210383974 U CN210383974 U CN 210383974U CN 201820113220 U CN201820113220 U CN 201820113220U CN 210383974 U CN210383974 U CN 210383974U
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Abstract
A straight-edge drill with a bone retention function is an integrated structure consisting of a drill rod part, a transition part and a drill edge part, wherein the drill rod part is connected with a planting mobile phone, and the transition part is connected with the drill rod part and the drill edge part; the drill rod part is an integrated structure consisting of a joint and a round rod; the transition part is cylindrical, and the diameter of the transition part is twice of that of a round rod of the drill rod part; a circle of groove is arranged at the middle upper part of the transition part; the drill edge part is provided with a side edge, a front edge and a groove, and the length of the drill edge part is 2-17 mm. The utility model is used for the premolding cavity on the jaw before the dental implant is implanted into the jaw. The utility model discloses a straight sword setting can not be too fast, and the accurate positioning of being convenient for can extrude in the slot of staying parallel with the drill bit at drilling in-process bone piece to can take out the use when needing in the follow-up operation.
Description
Technical Field
The utility model relates to the field of medical equipment, more specifically say, in particular to a straight sword drill bit that has bone retention function who uses in tooth planting operation process.
Background
In the field of dental medical restoration, dental implants are playing an increasingly important role as an effective treatment modality at present. The implant is used for restoring the chewing function of teeth by implanting an implant similar to a tooth root to replace a natural tooth root and installing false teeth and the like under the condition that a single tooth of a patient is lost or a dentition is lost.
Before the implant is implanted into the jaw bone, a corresponding hole needs to be drilled into the jaw bone by a drill. The conventional dental implant drill is a screw blade, similar to the design of an industrial drill, and has a disadvantage in that drill cuttings, i.e., bone fragments, are discharged along a chip discharge groove during a jaw drilling process and are lost when washing the oral cavity. The traditional spiral blade drill has the advantages of good self-tapping performance and good chip removal performance; however, when the design is applied to the dental implant drill, the advantages become disadvantages, the dental implant drill is connected with the implant mobile phone, and the jaw drilling process focuses more on accuracy rather than quick self-tapping performance; meanwhile, during the drilling process of the jaw bone, bone fragments are discharged along the chip grooves and are lost when the oral cavity is washed, and the bone fragments are not expected to be lost in the operation.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem
Therefore, how to solve the problem that bone fragments are discharged along the chip discharge groove in the dental implant operation process becomes a problem to be solved urgently by the technical personnel in the field.
(2) Technical scheme
In view of the above problems, the present invention provides a straight-blade drill with a bone retaining function.
A straight-edge drill with a bone retaining function is an integrated structure consisting of a drill rod part, a transition part and a drill edge part. The drill rod part is connected with the planting mobile phone, the transition part is connected with the drill rod part and the drill blade part, and the drill blade part is used for drilling holes in jawbones.
The drill rod part is an integrated structure consisting of a joint and a round rod, the joint consists of a semicircular sheet, an upright post and a semicircular sheet from top to bottom in sequence, the size, the thickness and the shape of the upper semicircular sheet and the lower semicircular sheet are the same, and the diameter of the semicircular sheet is the same as that of the round rod; the upright post is a semicircular upright post, and the diameter of the upright post is half of that of the semicircular sheet; the thickness of the semicircular sheet and the upright post is the same; the front side of the joint is in an I shape. And a round rod of the drill rod part is positioned below the joint and is connected with the transition part.
The transition part is cylindrical, and the diameter of the transition part is twice of the diameter of the round rod of the drill rod part. And the middle upper part of the transition part is provided with a circle of groove.
The drill edge part is provided with a side edge, a front edge and a groove, and the length of the drill edge part is 2-17 mm. The side blades are straight blades, grooves are formed between the side blades, the side blades are provided with at least three channels, and the side blades are provided with relief angles of 2-30 degrees; the front cutting edge is a straight cutting edge and is provided with a channel and positioned at the tail end of the drill cutting edge part, and the front cutting edge is provided with a back angle of 2-30 degrees. The grooves are parallel to the rotating shaft of the drill blade part, and more than two grooves are arranged in number.
The utility model is used for the premolding cavity on the jaw before the dental implant is implanted into the jaw.
(3) Advantageous effects
The utility model discloses a straight sword setting can not be too fast, and the accurate positioning of being convenient for can extrude in the slot of staying parallel with the drill bit at drilling in-process bone piece to can take out the use when needing in the follow-up operation.
Drawings
Fig. 1 is a schematic plan view of the present invention, and fig. 2 is a schematic perspective view of the present invention.
In the figure: 1 is a drill rod part, 1-1 is a joint, 1-2 is a round rod; 2 is a transition portion; 3 is the drill edge portion, 3-1 is the flank edge, 3-2 is the leading edge, and 3-3 is the flute.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, a straight-edged drill with a bone-retaining function is an integral structure composed of a drill rod part 1, a transition part 2 and a drill edge part 3. The drill rod part 1 is connected with a planting mobile phone, the transition part 2 is connected with the drill rod part 1 and the drill blade part 3, and the drill blade part 3 is used for drilling holes in jawbone.
The drill rod part 1 is an integrated structure consisting of a connector 1-1 and a round rod 1-2, the connector 1-1 consists of a semicircular sheet, an upright post and a semicircular sheet from top to bottom in sequence, the size, the thickness and the shape of the upper semicircular sheet and the lower semicircular sheet are the same, and the diameter of the semicircular sheet is the same as that of the round rod; the upright post is a semicircular upright post, and the diameter of the upright post is half of that of the semicircular sheet; the thickness of the semicircular sheet and the upright post is the same; the front side of the joint 1-1 is in an I shape. The round rod 1-2 of the drill rod part is positioned below the joint 1-1, and the round rod 1-2 is connected with the transition part 2.
The transition part 2 is cylindrical and has a diameter twice that of the round rod 1-2 of the drill rod part. The middle upper part of the transition part 2 is provided with a circle of grooves.
The drill edge part 3 is provided with a side edge 3-1, a front edge 3-2 and a groove 3-3, and the length of the drill edge part is 2-17 mm. The side edges 3-1 are straight edges, grooves 3-3 are formed among the side edges 3-1, the side edges 3-1 are provided with at least three channels, and the side edges 3-1 are provided with back angles of 2-30 degrees; the front blade 3-2 is a straight blade, the front blade 3-2 is provided with a channel and is positioned at the tail end of the drill blade part, and the front blade 3-2 is provided with a back angle of 2-30 degrees. The grooves 3-3 are parallel to the rotation axis of the drill blade part, and more than two grooves are arranged.
The utility model discloses connect the drilling rod part in planting the cell-phone when using, before dental implant implants jaw, at jaw preforming cavity.
The utility model discloses a straight sword setting can not be too fast, and the accurate positioning of being convenient for can extrude in the slot of staying parallel with the drill bit at drilling in-process bone piece to can take out the use when needing in the follow-up operation.
The present invention is not limited to the above embodiments, and any person can obtain other products in various forms according to the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (5)
1. The utility model provides a straight sword drill bit with bone retention function, is the integrative structure that constitutes by drilling rod part, transition part and drill edge part, drilling rod part is connected with the planting cell-phone, its characterized in that: the transition part is connected with the drill rod part and the drill blade part;
the drill rod part is an integrated structure consisting of a joint and a round rod;
the transition part is cylindrical, and the diameter of the transition part is twice of that of a round rod of the drill rod part; a circle of groove is arranged at the middle upper part of the transition part;
the drill edge part is provided with a side edge, a front edge and a groove, and the length of the drill edge part is 2-17 mm.
2. A straight-edged drill with a bone-retaining function as set forth in claim 1, wherein: the connector consists of a semicircular sheet, an upright post and a semicircular sheet from top to bottom in sequence, the size, the thickness and the shape of the upper semicircular sheet and the lower semicircular sheet are the same, and the diameter of the semicircular sheet is the same as that of the round rod; the upright post is a semicircular upright post, and the diameter of the upright post is half of that of the semicircular sheet; the thickness of the semicircular sheet and the upright post is the same; the front side of the joint is in an I shape.
3. A straight-edged drill with a bone-retaining function as set forth in claim 1, wherein: the side blades are straight blades, grooves are formed between the side blades, the side blades are provided with at least three channels, and the side blades are provided with back angles of 2-30 degrees.
4. A straight-edged drill with a bone-retaining function as set forth in claim 1, wherein: the front cutting edge is a straight cutting edge and is provided with a channel and positioned at the tail end of the drill cutting edge part, and the front cutting edge is provided with a back angle of 2-30 degrees.
5. A straight-edged drill with a bone-retaining function as set forth in claim 1, wherein: the grooves are parallel to the axis of rotation of the blade portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113220.9U CN210383974U (en) | 2018-01-23 | 2018-01-23 | Straight-blade drill bit with bone retention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113220.9U CN210383974U (en) | 2018-01-23 | 2018-01-23 | Straight-blade drill bit with bone retention function |
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| Publication Number | Publication Date |
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| CN210383974U true CN210383974U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820113220.9U Active CN210383974U (en) | 2018-01-23 | 2018-01-23 | Straight-blade drill bit with bone retention function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI721911B (en) * | 2020-06-18 | 2021-03-11 | 吳冠霖 | Reaming drill structure |
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2018
- 2018-01-23 CN CN201820113220.9U patent/CN210383974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI721911B (en) * | 2020-06-18 | 2021-03-11 | 吳冠霖 | Reaming drill structure |
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