CN208876730U - A kind of intramedullary nail diopter - Google Patents
A kind of intramedullary nail diopter Download PDFInfo
- Publication number
- CN208876730U CN208876730U CN201820404354.6U CN201820404354U CN208876730U CN 208876730 U CN208876730 U CN 208876730U CN 201820404354 U CN201820404354 U CN 201820404354U CN 208876730 U CN208876730 U CN 208876730U
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- CN
- China
- Prior art keywords
- hole
- screw
- nailing rod
- medullary nailing
- disk
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- 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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Abstract
The utility model provides a kind of intramedullary nail diopter, including link block, the bottom of link block is provided with the first medullary nailing rod, one end of second medullary nailing rod is provided with third medullary nailing rod, the outer wall of first medullary nailing rod and third medullary nailing rod is provided with the first screw hole and the second screw hole, fixed disk is provided at the top of link block, the side of fixed disk is flexibly connected with the side of movable disk, the bottom of shank of screw is provided with screw, the utility model can fix the first medullary nailing rod by link block, second medullary nailing rod, third medullary nailing rod and fixed disk, by rotating disk movable disk is rotated relative to fixed frame, pass through movable disk and limit plate, when activity disc spins, shank of screw on limit plate can respectively with the first screw hole and the second screw hole face, facilitate doctor that screw is passed through the first screw hole and the second spiral shell Nail hole, screw fixed efficiency is high, avoids replacement sighting device.
Description
Technical field
The utility model relates to diopter technical fields, and in particular to a kind of intramedullary nail diopter.
Background technique
Currently, mostly using intramedullary nail clinically to treat fracture, the technology is small on fracture site influence, and may be implemented
Broken ends of fractured bone pressurization, has lot of advantages.In the operation of installation intramedullary nail treatment fracture, drivescrew and lock-screw on intramedullary nail
Need to use corresponding sighting device and screw sleeve.
Common sighting device structure is single, and multiple screws can be fixed intramedullary nail from multiple angles, and common
Sighting device can not be suitable for squeezing into for the screw of multi-angle and multiple positions, therefore we make improvement to this, propose a kind of marrow
Interior nail diopter.
Utility model content
The purpose of this utility model is that can not be polygonal to solve common sighting device of intramedullary nail of the existing technology
Degree and the technical issues of squeezing into screw of multiple positions, provide a kind of intramedullary nail diopter.
To achieve the above object, a kind of intramedullary nail diopter provided by the utility model, specifically includes link block, the company
The bottom for connecing block is provided with the first medullary nailing rod, and one end of first medullary nailing rod is provided with the second medullary nailing rod, and described
One end of two medullary nailing rods is provided with third medullary nailing rod, and the outer wall of first medullary nailing rod and third medullary nailing rod is respectively provided with
There are the first screw hole and the second screw hole, fixed disk is provided at the top of the link block, the side of the fixed disk passes through rotation
Turntable is flexibly connected with the side of movable disk, and the surface of the fixed disk is provided with first through hole and the second through-hole, the activity
The surface of disk is provided with third through-hole, and first through hole, the second through-hole are identical with the internal diameter of third through-hole, and the movable disk is another
Limit plate is provided at the top of side, the limit plate top middle portion passes through the sliding slot opened up and is slidably connected with sliding block, the sliding block
Inside be socketed with shank of screw, the bottom of the shank of screw is provided with screw.
As a further improvement of the above technical scheme, fourth hole there are four the side settings on the limit plate top,
The top of the sliding block is fixedly connected by bolt with fourth hole.
As a further improvement of the above technical scheme, the inside of the third through-hole is socketed with fixed structure, described solid
Determining structure includes baffle, and the both ends of the baffle side are provided with positive stop strip, and one end of two positive stop strips is provided with
One fixture block is socketed with cylindrical bar in the middle part of the baffle, matched with the first fixture block is provided in the middle part of the cylindrical bar
Two fixture blocks.
As a further improvement of the above technical scheme, one end of the cylindrical bar is provided with pull ring.
As a further improvement of the above technical scheme, the two sides of second fixture block are provided with inclined-plane.
A kind of intramedullary nail diopter advantage provided by the utility model is:
The intramedullary nail diopter can fix the first medullary nailing rod, the second medullary nailing rod by link block, in third marrow
Nail rod and fixed disk enable movable disk to rotate relative to fixed frame, by movable disk and limit plate, work as activity by rotating disk
When disc spins, the shank of screw on limit plate can facilitate doctor by screw respectively with the first screw hole and the second screw hole face
Across the first screw hole and the second screw hole, screw fixed efficiency is high, avoids replacement sighting device, is led to by first through hole, second
Hole and third through-hole can determine the rotation angle of movable disk, and when first through hole and third through-hole face, screw can be with face
First screw hole, when the second through-hole and third through-hole face, screw can be with the second screw hole of face.
Detailed description of the invention
Fig. 1 is a kind of intramedullary nail diopter structural schematic diagram provided by the utility model；
Fig. 2 is a kind of intramedullary nail diopter side structure schematic diagram provided by the utility model；
Fig. 3 is fixed structure tightening state schematic diagram in a kind of intramedullary nail diopter provided by the utility model；
Fig. 4 is that fixed structure loosens status diagram in a kind of intramedullary nail diopter provided by the utility model.
Appended drawing reference
1, link block 2, the first medullary nailing rod 3, the second medullary nailing rod
4, third medullary nailing rod 5, the first screw hole 6, the second screw hole
7, fixed disk 8, rotating disk 9, movable disk
10, first through hole 11, the second through-hole 12, third through-hole
13, limit plate 14, sliding slot 15, sliding block
16, shank of screw 17, screw 18, fourth hole
19, bolt 20, baffle 21, positive stop strip
22, the first fixture block 23, cylindrical bar 24, the second fixture block
25, pull ring
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, intramedullary nail diopter provided by the utility model is further described.
As shown in Figs 1-4, a kind of intramedullary nail diopter, including link block 1, the bottom of link block 1 are provided in the first marrow
Nail rod 2, one end of the first medullary nailing rod 2 are provided with the second medullary nailing rod 3, and one end of the second medullary nailing rod 3 is provided with third marrow
The outer wall of interior nail rod 4, the first medullary nailing rod 2 and third medullary nailing rod 4 is provided with the first screw hole 5 and the second screw hole 6, even
The top for connecing block 1 is provided with fixed disk 7, and the side of fixed disk 7 is flexibly connected by rotating disk 8 with the side of movable disk 9, fixed
The surface of disk 7 is provided with first through hole 10 and the second through-hole 11, and the surface of movable disk 9 is provided with third through-hole 12, and first is logical
Hole 10, the second through-hole 11 are identical with the internal diameter of third through-hole 12, and limit plate 13 is provided at the top of 9 other side of movable disk, limit
The middle part on 13 top of plate passes through the sliding slot 14 opened up and is slidably connected with sliding block 15, and the inside of sliding block 15 is socketed with shank of screw 16, spiral shell
The bottom of nail rod 16 is provided with screw 17, can fix the first medullary nailing rod 2, the second medullary nailing rod 3, by link block 1
Three medullary nailing rods 4 and fixed disk 7 enable movable disk 9 to rotate relative to fixed disk 7, pass through 9 He of movable disk by rotating disk 8
Limit plate 13, when movable disk 9 rotates, shank of screw 16 on limit plate 13 can respectively with the first screw hole 5 and the second screw
6 face of hole facilitates doctor that screw 17 is passed through the first screw hole 5 and the second screw hole 6, so that 17 fixed efficiency of screw is high, keeps away
Sighting device free of replacement can determine the rotation angle of movable disk 9 by first through hole 10, the second through-hole 11 and third through-hole 12,
When first through hole 10 and 12 face of third through-hole, screw 17 can be with the first screw hole of face 5, when the second through-hole 11 and third are logical
When 12 face of hole, screw 17 can be with the second screw hole of face 6.
Wherein, the side setting on 13 top of limit plate is there are four fourth hole 18, the top of sliding block 15 by bolt 19 with
Fourth hole 18 is fixedly connected, and the position of sliding block 15 can be fixed by fourth hole 18, avoid sliding block 15 along the chute 14 with
Meaning sliding.
Wherein, the inside of third through-hole 12 is socketed with fixed structure, and fixed structure includes baffle 20, and the two of 20 side of baffle
End is provided with positive stop strip 21, and one end of two positive stop strips 21 is provided with the first fixture block 22, and the middle part of baffle 20 is socketed with cylinder
Bar 23, the middle part of cylindrical bar 23 are provided with the second fixture block 24 matched with the first fixture block 22, can be stablized by fixed structure
Movable disk 9 is fixed on ground, and movable disk 9 is avoided to loosen, and is caused 17 position of screw to shift, is influenced doctor and control patient
It treats.
Wherein, one end of cylindrical bar 23 is additionally provided with pull ring 25, can be convenient doctor's installation by pull ring 25 and removes solid
Determine structure.
Wherein, the two sides of the second fixture block 24 are provided with inclined-plane, pass through inclined-plane, when doctor pushes cylindrical bar 23, second
Fixture block 24 is slided with the first fixture block 22 along inclined-plane is opposite, enables the second fixture block 24 simpler solid with the first fixture block 22
It is scheduled on together.
It should be noted that the intramedullary nail diopter provided by the utility model with above structure, in specific work
When making, when doctor needs to carry out patient bone connection operation, third medullary nailing rod 4 can be stretched along one end of bone
Enter, two pieces of knochenbruch are interspersed together, by first through hole 10 and 12 face of third through-hole, then catch pull ring 25 by fixed structure
Be inserted into inside third through-hole 12, pin baffle 20 at this time, squeeze cylindrical bar 23 so that first fixture block 22 of 21 one end of positive stop strip with
Second fixture block 24 is connected together, and sliding block 15 is moved on a fourth hole 18, with bolt 19 that sliding block 15 is fixed
Firmly, shank of screw 16 is pushed to extract bolt later so that the screw 17 of 16 bottom of shank of screw passes through one of the first screw hole 5
19, sliding block 15 is moved on another fourth hole 18, then fixed sliding block 15 with bolt 19, pushes shank of screw 16 by spiral shell
Nail 17 passes through another first screw hole 5；Fixed structure is extracted after two the first screw holes 5 are equipped with screw 17, by
One fixture block 22 is separated with 24 phase of the second fixture block, and rotary moveable disk 9 makes the second through-hole 11 and 12 face of third through-hole, by fixed knot
Structure passes through third through-hole 12, cylindrical bar 23 is pushed at this time, so that the first fixture block 22 engages with the second fixture block 24, to fix work
Moving plate 9.After movable disk 9 rotates, the opening direction face of shank of screw 16 and the second screw hole 6 inside sliding block 15 is mobile to slide
The position of block 15, so that one of them second screw hole 6 of 17 face of screw, passes through second screw hole 6 for screw 17, then move
Movable slider 15 pushes shank of screw 16 so that another second screw hole 6 of 17 face of screw so that screw 17 pass through another the
Two screw holes 6.It follows that the diopter using the utility model can consolidate screw 17 from multiple angles to bone
It is fixed, the stability of intramedullary nail placement is improved, and can be avoided bone loosening.
It should be noted last that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application.To the greatest extent
Pipe is described in detail the utility model referring to embodiment, those skilled in the art should understand that, it is practical to this
Novel technical solution is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention,
It should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of intramedullary nail diopter, including link block (1), which is characterized in that the bottom of the link block (1) is provided with first
One end of medullary nailing rod (2), first medullary nailing rod (2) is provided with the second medullary nailing rod (3), second medullary nailing rod
(3) one end is provided with third medullary nailing rod (4), and the outer wall of first medullary nailing rod (2) and third medullary nailing rod (4) is all provided with
It is equipped with the first screw hole (5) and the second screw hole (6), is provided with fixed disk (7), the fixation at the top of the link block (1)
The side of disk (7) is flexibly connected by rotating disk (8) with the side of movable disk (9), and the surface of the fixed disk (7) is provided with the
The surface of one through-hole (10) and the second through-hole (11), the movable disk (9) is provided with third through-hole (12), and first through hole
(10), the second through-hole (11) is identical with the internal diameter of third through-hole (12), is provided with limit at the top of movable disk (9) other side
Plate (13), limit plate (13) top middle portion pass through the sliding slot (14) opened up and are slidably connected with sliding block (15), the sliding block
(15) inside is socketed with shank of screw (16), and the bottom of the shank of screw (16) is provided with screw (17).
2. a kind of intramedullary nail diopter according to claim 1, which is characterized in that the side on limit plate (13) top
There are four fourth hole (18), the tops of the sliding block (15) to be fixedly connected by bolt (19) with fourth hole (18) for setting.
3. a kind of intramedullary nail diopter according to claim 1, which is characterized in that the internal sleeve of the third through-hole (12)
It is connected to fixed structure, the fixed structure includes baffle (20), and the both ends of baffle (20) side are provided with positive stop strip (21),
One end of two positive stop strips (21) is provided with the first fixture block (22), is socketed with cylindrical bar in the middle part of the baffle (20)
(23), the second fixture block (24) matched with the first fixture block (22) is provided in the middle part of the cylindrical bar (23).
4. a kind of intramedullary nail diopter according to claim 3, which is characterized in that one end of the cylindrical bar (23) is arranged
There are pull ring (25).
5. a kind of intramedullary nail diopter according to claim 3, which is characterized in that the two sides of second fixture block (24) are equal
It is provided with inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404354.6U CN208876730U (en) | 2018-03-24 | 2018-03-24 | A kind of intramedullary nail diopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404354.6U CN208876730U (en) | 2018-03-24 | 2018-03-24 | A kind of intramedullary nail diopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208876730U true CN208876730U (en) | 2019-05-21 |
Family
ID=66492168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820404354.6U Expired - Fee Related CN208876730U (en) | 2018-03-24 | 2018-03-24 | A kind of intramedullary nail diopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208876730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974390A (en) * | 2019-12-11 | 2020-04-10 | 常州市图尔迈医疗器械有限公司 | Mounting rack for accurately positioning intramedullary nail |
| CN114376702A (en) * | 2020-10-19 | 2022-04-22 | 江苏国立医疗器械有限公司 | Intramedullary nail aiming frame |
-
2018
- 2018-03-24 CN CN201820404354.6U patent/CN208876730U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974390A (en) * | 2019-12-11 | 2020-04-10 | 常州市图尔迈医疗器械有限公司 | Mounting rack for accurately positioning intramedullary nail |
| CN114376702A (en) * | 2020-10-19 | 2022-04-22 | 江苏国立医疗器械有限公司 | Intramedullary nail aiming frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200324 |