CN105326560A - Drill bush - Google Patents
Drill bush Download PDFInfo
- Publication number
- CN105326560A CN105326560A CN201410392588.XA CN201410392588A CN105326560A CN 105326560 A CN105326560 A CN 105326560A CN 201410392588 A CN201410392588 A CN 201410392588A CN 105326560 A CN105326560 A CN 105326560A
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- CN
- China
- Prior art keywords
- drill bushing
- drill bush
- guide part
- guide portion
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Surgical Instruments (AREA)
Abstract
The invention belongs to the technical field of medical instruments and particularly relates to a drill bush. The drill bush comprises a drill bush body, a trapezoidal guide portion is arranged at the front end of the drill bush body in front view, an external thread matched with a locking hole in a bone joining fixing plate is arranged on the outer surface of the guide portion, the guide portion is matched with the locking hole in the bone joining fixing plate in shape, and an operation portion facilitating use of a tightening device is arranged at the other end of the drill bush body. The drill bush has the advantages that through the technical characteristics, drilling can be facilitated; since the guide portion is matched with the locking hole in the fixing plate and provided with the external thread, drilling accuracy can be guaranteed and medical operation level is improved.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of drill bushing.
Background technology
When medical operating action need is fixed impaired bone to fracture patient by locking fixed plate, first to punch on bone, then pedicle screw.In order to have openning hole on bone, the position in hole be met the requirements, use drill bushing to be arranged on clamp body, being used for determining the position in processed hole on workpiece, guide cutter to process, and improve the rigidity of cutter in the course of processing and vibration in preventing from processing.Punch on object owing to punching to be different from bone, therefore, current common drill bushing cannot use.
Summary of the invention
The object of the invention is to solve above-mentioned technical problem and provide a kind of punching on bone to implant the drill bushing of hold-down screw in fixing head lock hole.
For achieving the above object, the present invention adopts following technical scheme:
A kind of drill bushing, comprise a drill bushing body, it is trapezoidal guide part that the front end of described drill bushing body has main looking down, the outer surface of described guide part is provided with the external screw thread matched with the lock hole on synthetism fixing head, and the hole shape of the lock hole on the profile of described guide part and described synthetism fixing head adapts.
Further, the other end of described drill bushing body is provided with the operating portion facilitating device for screwing up.
Described operating portion is a column, and the excircle of described column is provided with the groove of annular.
Drill bushing of the present invention, by above technical characteristic, conveniently can punch, and owing to having the guide part adapted with the lock hole on fixing head, this guide part be provided with external screw thread, thus can ensure the accuracy of punching, improves medical care precess level.
Accompanying drawing explanation
Figure 1 shows that the structural representation of a kind of drill bushing that the embodiment of the present invention provides.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present invention and advantage are further described, but the present invention is not limited to listed embodiment.
Shown in Figure 1, the figure shows the structure of a kind of drill bushing that the embodiment of the present invention provides.For convenience of explanation, illustrate only the part relevant with the embodiment of the present invention.
Refer to Fig. 1, a kind of drill bushing, be mainly used in medical synthetism punching to use, comprise a drill bushing body 1, it is trapezoidal guide part 2 that the front end of described drill bushing body 1 has main looking down, the outer surface of described guide part 2 is provided with the external screw thread matched with the lock hole on synthetism fixing head, and the hole shape of the lock hole on the profile of described guide part 2 and described synthetism fixing head adapts.
Further, the other end of described drill bushing body 1 is provided with and facilitates device for screwing up, as the operating portion 3 of spanner.
Described operating portion 3 is a column, and the excircle of described column is provided with the groove of annular.
Drill bushing of the present invention is by above technical characteristic, conveniently can punch, and owing to having the guide part 2 adapted with the lock hole on fixing head, this guide part 2 be provided with external screw thread, thus the accuracy of punching can be ensured, improve medical care precess level.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a drill bushing, it is characterized in that, comprise a drill bushing body, it is trapezoidal guide part that the front end of described drill bushing body has main looking down, the outer surface of described guide part is provided with the external screw thread matched with the lock hole on synthetism fixing head, and the hole shape of the lock hole on the profile of described guide part and described synthetism fixing head adapts.
2. drill bushing according to claim 1, it is characterized in that, the other end of described drill bushing body is provided with the operating portion facilitating device for screwing up.
3. drill bushing according to claim 1 or 2, is characterized in that, described operating portion is a column, and the excircle of described column is provided with the groove of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392588.XA CN105326560A (en) | 2014-08-11 | 2014-08-11 | Drill bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392588.XA CN105326560A (en) | 2014-08-11 | 2014-08-11 | Drill bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105326560A true CN105326560A (en) | 2016-02-17 |
Family
ID=55277483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410392588.XA Pending CN105326560A (en) | 2014-08-11 | 2014-08-11 | Drill bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105326560A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066142A (en) * | 1998-10-22 | 2000-05-23 | Depuy Orthopaedics, Inc. | Variable position bone drilling alignment guide |
| CN1909849A (en) * | 2003-07-16 | 2007-02-07 | 新特斯有限责任公司 | Plating system with multiple function drill guide |
| CN1988859A (en) * | 2004-04-22 | 2007-06-27 | 斯坎迪乌斯生物医药公司 | Apparatus and method for reconstructing a ligament |
| EP1836984A1 (en) * | 2006-03-24 | 2007-09-26 | DePuy Products, Inc. | Medical device positioning tool |
| CN201642287U (en) * | 2010-03-31 | 2010-11-24 | 任栋 | Improved internal fixation bone fracture plate |
| US8545540B2 (en) * | 2004-12-14 | 2013-10-01 | Biomet C.V. | Bone plate with pre-assembled drill guide tips |
-
2014
- 2014-08-11 CN CN201410392588.XA patent/CN105326560A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066142A (en) * | 1998-10-22 | 2000-05-23 | Depuy Orthopaedics, Inc. | Variable position bone drilling alignment guide |
| CN1909849A (en) * | 2003-07-16 | 2007-02-07 | 新特斯有限责任公司 | Plating system with multiple function drill guide |
| CN1988859A (en) * | 2004-04-22 | 2007-06-27 | 斯坎迪乌斯生物医药公司 | Apparatus and method for reconstructing a ligament |
| US8545540B2 (en) * | 2004-12-14 | 2013-10-01 | Biomet C.V. | Bone plate with pre-assembled drill guide tips |
| EP1836984A1 (en) * | 2006-03-24 | 2007-09-26 | DePuy Products, Inc. | Medical device positioning tool |
| CN201642287U (en) * | 2010-03-31 | 2010-11-24 | 任栋 | Improved internal fixation bone fracture plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160217 |