CN106691574A - Drill bit for department of orthopaedics - Google Patents
Drill bit for department of orthopaedics Download PDFInfo
- Publication number
- CN106691574A CN106691574A CN201510779836.0A CN201510779836A CN106691574A CN 106691574 A CN106691574 A CN 106691574A CN 201510779836 A CN201510779836 A CN 201510779836A CN 106691574 A CN106691574 A CN 106691574A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- drill bit
- mounting
- hollow
- mounting seat
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a drill bit for the department of orthopaedics. The drill bit comprises a hollow drill sleeve and a mounting base, wherein a mounting cavity is arranged at one end of the mounting base, one end of the hollow drill sleeve is positioned in the mounting cavity and is connected with the inner wall of the mounting cavity through threads, an annular tool bit is mounted at one end, far away from the mounting base, of the hollow drill sleeve, a first mounting hole communicating with the mounting cavity is arranged on the mounting base, a second connecting rod is arranged in the hollow drill sleeve, the second connecting rod penetrates through the first mounting hole and extends to the outer side of the mounting base, the second connecting rod is connected with the inner wall of the first mounting hole by threads, and a first connecting rod is mounted at the end part of the second connecting rod positioned at the outer side of the mounting base; the second connecting rod positioned in the hollow drill sleeve is a hollow pipe, and a third connecting rod and a sleeve are arranged in the hollow pipe. The drill bit is wide in applicability, and convenient to detach and clean, and screws in the bone can be stably taken out.
Description
Technical field
The present invention relates to bit technique field, more particularly to a kind of orthopaedics drill bit.
Background technology
At present, the method for operation implant plate can be taken the bone for fractureing is fixed for fracture patient
Wound, steel plate needs to be fixed with steel nail, interior fixation bone fracture plate and its lock screw system Yin Qite
Some biomechanical advantages, enjoy the high praise of AO tissues and apply to wound bone more and more
, there be related complication and shortcoming after its a large amount of abuse in section thereupon, wherein most with
Lock screw takes out difficult related, includes screw socket damage, screw stripped thread and pinning screw thread wrong
Caused by position " cold welding " etc..It is to compare thorny in bone surgery that lock screw takes out difficulty
Problem, in addition cannulated sleeve and center-pole relative can be slided during rotation, influence
The taking-up of screw, furthermore six prisms using center rod head end withstand on interior fixation bone fracture plate
In the inner hexagonal hole of the lock screw head of a nail, but existing screw differs, to establish a capital be hex screw,
There is a problem of that applicability is narrow, when long-time is used, disassembly, cleaning be unable in cannulated sleeve,
Therefore, a kind of it is proposed that orthopaedics drill bit.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the one kind for proposing
Orthopaedics drill bit.
To achieve these goals, present invention employs following technical scheme：
A kind of orthopaedics drill bit, including Hollow trepanning drilling machine and mounting seat, one end of mounting seat are provided with peace
It behave affectedly, one end of Hollow trepanning drilling machine is located in the installation cavity and is connected with cavity wall is installed by screw thread
Connect, Hollow trepanning drilling machine installs annular cutter head away from one end of mounting seat, mounting seat is provided with and installation
First mounting hole of chamber connection, is provided with the second connecting rod, the second connection in the Hollow trepanning drilling machine
Bar is through the first mounting hole and extends to mounting seat outside, and the second connecting rod and the first mounting hole
Inner thread is connected, and the end of the second connecting rod on the outside of the mounting seat is installed first and connected
Extension bar；The second connecting rod in Hollow trepanning drilling machine is hollow tube, and the is provided with hollow tube
Three connecting rods and sleeve pipe, the 3rd connecting rod and sleeve pipe are socketed, and are cased with the 3rd connecting rod and sleeve pipe
Back-moving spring, the inwall at the opening of sleeve pipe is provided with limited block, the 3rd company in sleeve pipe
Extension bar end is provided with fixture block corresponding with limited block, and sleeve pipe away from the 3rd connecting rod one end with
Second connecting rod is fixed, and the surface of the 3rd connecting rod is provided with bar shaped sliding block, is set on the inwall of sleeve pipe
There is draw-in groove corresponding with bar shaped sliding block, bar shaped sliding block is located in draw-in groove；Annular cutter head is provided with
Two mounting holes, the 4th connecting rod is inserted into the second mounting hole, and one end of the 4th connecting rod sets peace
Tankage, is provided with screwdriver head in the mounting groove, screwdriver head is connected with mounting groove inner thread, and the 4th
Connecting rod is extended in hollow tube away from one end of screwdriver head and is fixedly connected with the 3rd connecting rod.
Preferably, pre-load nut is installed in the second connecting rod on the outside of the mounting seat.
Preferably, pre-load nut is provided with anti-skid rubber cushion near the side of mounting seat.
Preferably, the surface of Hollow trepanning drilling machine flushes with the surface of mounting seat.
Preferably, head rod is prism.
Preferably, head rod is structure as a whole with the second connecting rod.
Preferably, the diameter of the 4th connecting rod is equal to the internal diameter of hollow tube.
A kind of orthopaedics drill bit proposed by the present invention, wherein Hollow trepanning drilling machine and mounting seat pass through screw thread
Connection, convenient dismounting and cleaning；Rotatable second connecting rod of user is by the 4th connecting rod from sky
Heart set brill is spun out, and mounting groove is set in one end of the 4th connecting rod, has been provided with the mounting groove
Sub- head, screwdriver head is connected with mounting groove inner thread, the convenient replacing to screwdriver head, increases
Applicability；3rd connecting rod and sleeve pipe are socketed, and back-moving spring is cased with the 3rd connecting rod and sleeve pipe,
And sleeve pipe is fixed away from one end of the 3rd connecting rod with the second connecting rod, the surface of the 3rd connecting rod
Bar shaped sliding block is provided with, the inwall of sleeve pipe is provided with draw-in groove corresponding with bar shaped sliding block, bar shaped sliding block
In draw-in groove, so the 3rd connecting rod can stretch in sleeve pipe, during optional, bar
Shape sliding block and draw-in groove coordinate prevents the 3rd connecting rod and the relative slip of sleeve pipe generations, influences screw
Extract.Not only applicability is wide for orthopaedics drill bit, facilitates disassembly, cleaning, and can also stablize
Screw in bone is taken out.
Brief description of the drawings
Fig. 1 is a kind of structural representation of orthopaedics drill bit proposed by the present invention；
Fig. 2 is the sleeve pipe and the 3rd connecting rod structure of a kind of orthopaedics drill bit proposed by the present invention
Schematic diagram.
In figure：1st, Hollow trepanning drilling machine, 2, mounting seat, 3, pre-load nut, 4, head rod,
5th, the second connecting rod, 6, sleeve pipe, 7, back-moving spring, the 8, the 3rd connecting rod, 9, bottle opener
Head, 10, annular cutter head, the 11, the 4th connecting rod, 12, limited block, 13, fixture block.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment, rather than whole embodiments.
Reference picture 1-2, a kind of orthopaedics drill bit, including Hollow trepanning drilling machine 1 and mounting seat 2, peace
The one end for filling seat 2 is provided with installation cavity, and one end of Hollow trepanning drilling machine 1 is located in installation cavity and passes through spiral shell
Line is connected with cavity wall is installed, and the surface of Hollow trepanning drilling machine 1 flushes with the surface of mounting seat 2, empty
Heart set brill 1 installs annular cutter head 10, Hollow trepanning drilling machine 1 and installation away from one end of mounting seat 2
The convenient dismounting of seat 2 and cleaning.
Mounting seat 1 is provided with the first mounting hole connected with installation cavity, is set in Hollow trepanning drilling machine 1
There is the second connecting rod 5, the second connecting rod 5 is through the first mounting hole and extends to outside mounting seat 2
Side, and the second connecting rod 5 is connected with the first mounting hole inner thread, positioned at the outside of mounting seat 2
The second connecting rod 5 end install head rod 4, head rod 4 be prism,
And head rod 4 is structure as a whole with the second connecting rod 5, head rod 4 is used for and electricity
Dynamic device connection, head rod 4 is designed to prism to be prevented during rotation, and first
There is skidding in connecting rod 4, with electric device positioned at second connecting rod in the outside of mounting seat 2
Pre-load nut 3 is installed, pre-load nut 3 is provided with anti-slip rubber near the side of mounting seat 2 on 5
Pad, the rotatable pre-load nut 3 of user is close to mounting seat 2, and the second connecting rod 5 is more preferable
It is fixed, prevent in electric device during driving the second connecting rod 5 to rotate, the second connection
Bar 5 rotates in the first mounting hole.
The second connecting rod 5 in Hollow trepanning drilling machine 1 is hollow tube, and is provided with hollow tube
3rd connecting rod 8 and sleeve pipe 6, the 3rd connecting rod 8 and sleeve pipe 6 are socketed, and sleeve pipe 6 can be
Three connecting rods 8 are stretched, and back-moving spring 7, sleeve pipe 6 are cased with the 3rd connecting rod 8 and sleeve pipe 6
Opening at inwall be provided with limited block 12, the end of the 3rd connecting rod in sleeve pipe 68
End is provided with fixture block 13 corresponding with limited block 12, when the 3rd connecting rod 8 is stretched out from sleeve pipe 6
During in most long status, limited block 12 offsets with fixture block 13, prevents the 3rd connecting rod 8 from set
Pipe 6 is come off, and sleeve pipe 6 is fixed away from one end of the 3rd connecting rod 8 with the second connecting rod 5,
The surface of the 3rd connecting rod 8 is provided with bar shaped sliding block, and the inwall of sleeve pipe 6 is provided with and bar shaped sliding block
Corresponding draw-in groove, bar shaped sliding block is located in draw-in groove, and bar shaped sliding block coordinates with draw-in groove, prevents the 4th
There is relative slip with the second connecting rod 5 in connecting rod 11.
Annular cutter head 10 is provided with the second mounting hole, and the 4th connection is inserted into the second mounting hole
Bar 11, one end of the 4th connecting rod 11 sets mounting groove, and screwdriver head 9 is provided with mounting groove, rises
Son first 9 is connected with mounting groove inner thread, convenient to dismantle and change screwdriver head, the 4th connecting rod
11 extend in hollow tube and are fixedly connected with the 3rd connecting rod 8 away from one end of screwdriver head 9,
The diameter of the 4th connecting rod 11 is equal to the internal diameter of hollow tube, it is to avoid the 4th connecting rod 11 is hollow
Rocked in pipe, the 3rd connecting rod 8 offsets with back-moving spring 7, rotatable second connection of user
The material of bar 5 adjusts screwdriver head 9 in the surface exposure of annular cutter head 10 highly, treats screwdriver head 9
Put after adjusting by the pretension of pre-load nut 3, may be such that screwdriver head 9 works more stable, entering
When row takes nail, the screwdriver head 9 of the head end of the 4th connecting rod 11 is withstood on the lock of interior fixation bone fracture plate
Determine in the hole of the screw head of a nail, positioning is supported by back-moving spring 7, driven by electric device.
The above, the only present invention preferably specific embodiment, but protection model of the invention
Enclose and be not limited thereto, any one skilled in the art the invention discloses skill
In the range of art, technology according to the present invention scheme and its inventive concept are subject to equivalent or change
Become, should all be included within the scope of the present invention.
Claims (7)
1. a kind of orthopaedics drill bit, it is characterised in that including Hollow trepanning drilling machine (1) and mounting seat
(2), one end of mounting seat (2) is provided with installation cavity, and one end of Hollow trepanning drilling machine (1) is located at institute
State in installation cavity and be connected by screw thread with cavity wall is installed, Hollow trepanning drilling machine (1) is away from installation
Annular cutter head (10) is installed in one end of seat (2), and mounting seat (1) is provided with and connects with installation cavity
The first logical mounting hole, the second connecting rod (5) is provided with the Hollow trepanning drilling machine (1), the
Two connecting rods (5) are through the first mounting hole and extend to mounting seat (2) outside, and second connects
Extension bar (5) is connected with the first mounting hole inner thread, on the outside of the mounting seat (2)
The end of the second connecting rod (5) is installed by head rod (4)；In Hollow trepanning drilling machine (1)
The second connecting rod (5) be hollow tube, and be provided with hollow tube the 3rd connecting rod (8) and
Sleeve pipe (6), the 3rd connecting rod (8) and sleeve pipe (6) are socketed, the 3rd connecting rod (8) and
Back-moving spring (7) is cased with sleeve pipe (6), the inwall at the opening of sleeve pipe (6) is provided with limit
Position block (12), the 3rd connecting rod (8) end in sleeve pipe (6) is provided with and limited block
(12) corresponding fixture block (13), and sleeve pipe (6) is away from one end of the 3rd connecting rod (8)
Fixed with the second connecting rod (5), the surface of the 3rd connecting rod (8) is provided with bar shaped sliding block, covers
The inwall for managing (6) is provided with draw-in groove corresponding with bar shaped sliding block, and bar shaped sliding block is located in draw-in groove；
Annular cutter head (10) is provided with the second mounting hole, and the 4th connecting rod is inserted into the second mounting hole
(11), one end of the 4th connecting rod (11) sets mounting groove, and screwdriver head is provided with the mounting groove
(9), screwdriver head (9) is connected with mounting groove inner thread, the 4th connecting rod (11) away from
One end of screwdriver head (9) extends in hollow tube and is fixedly connected with the 3rd connecting rod (8).
2. a kind of orthopaedics drill bit according to claim 1, it is characterised in that be located at
Pre-load nut (3) is installed in the second connecting rod (5) on the outside of the mounting seat (2).
3. a kind of orthopaedics drill bit according to claim 2, it is characterised in that pretension
Nut (3) is provided with anti-skid rubber cushion near the side of mounting seat (2).
4. a kind of orthopaedics drill bit according to claim 1, it is characterised in that hollow
The surface that set bores (1) flushes with the surface of mounting seat (2).
5. a kind of orthopaedics drill bit according to claim 1, it is characterised in that first
Connecting rod (4) is prism.
6. a kind of orthopaedics drill bit according to claim 1, it is characterised in that first
Connecting rod (4) is structure as a whole with the second connecting rod (5).
7. a kind of orthopaedics drill bit according to claim 1, it is characterised in that the 4th
The diameter of connecting rod (11) is equal to the internal diameter of hollow tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779836.0A CN106691574A (en) | 2015-11-16 | 2015-11-16 | Drill bit for department of orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779836.0A CN106691574A (en) | 2015-11-16 | 2015-11-16 | Drill bit for department of orthopaedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106691574A true CN106691574A (en) | 2017-05-24 |
Family
ID=58931412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779836.0A Pending CN106691574A (en) | 2015-11-16 | 2015-11-16 | Drill bit for department of orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106691574A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464443A (en) * | 2019-08-30 | 2019-11-19 | 重庆市人民医院 | A kind of operation device for fetching nail for orthopaedic medical treatment |
| CN111956321A (en) * | 2020-08-31 | 2020-11-20 | 曹阳 | Multifunctional medical orthopedic drill bit based on magnetic attraction principle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712518A (en) * | 1994-11-08 | 1998-01-27 | Richard Wolf Gmbh | Electric motor drive unit for surgical tools |
| CN2469899Y (en) * | 2001-03-07 | 2002-01-09 | 邓国勋 | Dilator for drawing-out residual screw in bone |
| CN104013452A (en) * | 2014-05-23 | 2014-09-03 | 吉林大学 | Drill bit special for department of orthopaedics |
| CN203885608U (en) * | 2014-04-02 | 2014-10-22 | 合肥市五洋医疗器械有限公司 | Multifunctional handle |
| CN104490466A (en) * | 2015-01-07 | 2015-04-08 | 吉林大学 | Special orthopedic drill bit |
| CN204671265U (en) * | 2015-05-25 | 2015-09-30 | 北华大学 | A kind of orthopaedics gets nail drill bit |
-
2015
- 2015-11-16 CN CN201510779836.0A patent/CN106691574A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712518A (en) * | 1994-11-08 | 1998-01-27 | Richard Wolf Gmbh | Electric motor drive unit for surgical tools |
| CN2469899Y (en) * | 2001-03-07 | 2002-01-09 | 邓国勋 | Dilator for drawing-out residual screw in bone |
| CN203885608U (en) * | 2014-04-02 | 2014-10-22 | 合肥市五洋医疗器械有限公司 | Multifunctional handle |
| CN104013452A (en) * | 2014-05-23 | 2014-09-03 | 吉林大学 | Drill bit special for department of orthopaedics |
| CN104490466A (en) * | 2015-01-07 | 2015-04-08 | 吉林大学 | Special orthopedic drill bit |
| CN204671265U (en) * | 2015-05-25 | 2015-09-30 | 北华大学 | A kind of orthopaedics gets nail drill bit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464443A (en) * | 2019-08-30 | 2019-11-19 | 重庆市人民医院 | A kind of operation device for fetching nail for orthopaedic medical treatment |
| CN111956321A (en) * | 2020-08-31 | 2020-11-20 | 曹阳 | Multifunctional medical orthopedic drill bit based on magnetic attraction principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |
|
| WD01 | Invention patent application deemed withdrawn after publication |