CN208989110U - A kind of ilium front and back column intramedullary nail guider - Google Patents
A kind of ilium front and back column intramedullary nail guider Download PDFInfo
- Publication number
- CN208989110U CN208989110U CN201821401729.XU CN201821401729U CN208989110U CN 208989110 U CN208989110 U CN 208989110U CN 201821401729 U CN201821401729 U CN 201821401729U CN 208989110 U CN208989110 U CN 208989110U
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- fixture block
- ilium
- fixed plate
- hole
- arc fixed
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Abstract
The utility model discloses column intramedullary nail guiders before and after a kind of ilium, including with the matched arc fixed plate of ilium lateral surface, strip through-hole is provided on the arc fixed plate, described strip through-hole one end is fixed with the first fixture block, sliding is provided with the second fixture block on the strip through-hole, side on first fixture block close to second fixture block is provided with and posterior superior iliac spine and/or matched first groove of spina iliaca posterior inferior shape, side on second fixture block close to first fixture block is provided with and matched second slot of anterior superior spine and/or anterior inferior spine, the pilot hole by anterior inferior spine towards posterior superior iliac spine direction is provided on second fixture block, spring is provided between first fixture block and second fixture block, the radian of the arc fixed plate is less than 0.4.Column intramedullary nail guider can not only facilitate positioning, but also ilium is not susceptible to shift when penetrating bone screw in the fracture of ilium position precise positioning to fracture before and after this kind of ilium.
Description
Technical field
The utility model belongs to orthopedic medical device technical field, column intramedullary nail guider before and after specifically a kind of ilium.
Background technique
Pelvic fracture is a kind of wound caused via violence extruding, this injury is then common in traffic accident or surprisingly collapses
Caused by collapsing and weighing wounded, and since pelvis is anatomical structure made of as combined by the bone of a variety of kenels, institute in different directions with power
Seriousness of the external impacts of amount in addition to will affect pelvic fracture can also be produced because fracture or dislocation occurs for the bone of different parts
The fracture of raw different kenels.
It is generally positioned by bone screw when fracture of ilium, and since the bone length of ilium is long, and is had certain curved
Bent radian if there is the problem of bone screw guide angle inaccuracy, then can so that ilium fracture reduction operation is difficult to position
Cause screw to be pierced by the middle part of ilium, causes unnecessary harm, while penetrating screw in ilium is to be easy to cause iliac bone
It shifts at folding, is deformed after causing ilium to heal.
Utility model content
The utility model is in view of the shortcomings of the prior art, provide a kind of ilium front and back column intramedullary nail guider, before this kind of ilium
Rear pillar intramedullary nail guider can not only facilitate positioning, but also connect penetrating in the fracture of ilium position precise positioning to fracture
Ilium is not susceptible to shift when bone screws.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals: a kind of ilium front and back
Column intramedullary nail guider, including with the matched arc fixed plate of ilium lateral surface, it is logical that bar shaped is provided on the arc fixed plate
Hole, described strip through-hole one end are fixed with the first fixture block, and sliding is provided with the second fixture block, first card on the strip through-hole
Side on block close to second fixture block is provided with and posterior superior iliac spine and/or matched first groove of spina iliaca posterior inferior shape, institute
State on the second fixture block close to first fixture block side be provided with matched second slot of anterior superior spine and/or anterior inferior spine,
The pilot hole by anterior inferior spine towards posterior superior iliac spine direction, first fixture block and described second are provided on second fixture block
Spring is provided between fixture block, the radian of the arc fixed plate is less than 0.4.This kind of fracture of ilium positioning device is operated in synthetism
When, it will first be adjusted at fracture of ilium, by the first fixture block and the second fixture block clamping ilium, bone screw then penetrated into guiding
Hole guarantees that bone screw will not be pierced by from the side of ilium, and is not susceptible to shift at fracture of ilium when bone screw penetrates, arc
The radian of shape fixed plate guarantees the synthetism spiral shell that pilot hole is penetrated when the second fixture block is in any position on arc fixed plate less than 0.4
Nail will not be all pierced by from the side of ilium.
In above-mentioned technical proposal, it is preferred that first fixture block and second fixture block are set to the arc fixed plate
Front, the back side of the arc fixed plate is provided with the second locating piece, between second locating piece and second fixture block
Screw by passing through the strip through-hole is fixed.Using connection structure letter of second fixture block of structure on arc fixed plate
It is single, it is easily assembled to.
In above-mentioned technical proposal, it is preferred that the back side of the arc fixed plate is provided with the first locating piece, and described first is fixed
Position block is fixedly connected with first fixture block, is provided with the spring between first locating piece and second locating piece.
Using the structure the first locating piece is easily fixed on arc fixed plate, and is installed to spring and position is provided.
The utility model compared with prior art, has the following beneficial effects: this kind of fracture of ilium positioning device in synthetism
It when operation, will first adjust at fracture of ilium, by the first fixture block and the second fixture block clamping ilium, then penetrate bone screw
Pilot hole guarantees that bone screw will not be pierced by from the side of ilium, and is not susceptible to move at fracture of ilium when bone screw penetrates
Position, the radian of arc fixed plate guarantee to penetrate pilot hole when the second fixture block is in any position on arc fixed plate less than 0.4
Bone screw will not be all pierced by from the side of ilium.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model embodiment.
Fig. 2 is the main view of the utility model embodiment.
Fig. 3 is the bone screw schematic view of the mounting position in the utility model embodiment.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing: referring to Fig. 1 to Fig. 3,
Column intramedullary nail guider before and after a kind of ilium, including with the matched arc fixed plate 1 of ilium lateral surface, the arc fixed plate 1
On be provided with strip through-hole 2, described 2 one end of strip through-hole is fixed with the first fixture block 3, slides and be provided on the strip through-hole 2
Second fixture block 4, the side on first fixture block 3 close to second fixture block 4 are provided with and posterior superior iliac spine and/or spina iliaca posterior inferior
Matched first groove 5 of shape, the side on second fixture block 4 close to first fixture block 3 be provided with anterior superior spine and/
Or matched second slot 6 of anterior inferior spine, the guiding by anterior inferior spine towards posterior superior iliac spine direction is provided on second fixture block 4
Hole 7 is provided with spring 8 between first fixture block 3 and second fixture block 4, the radian of the arc fixed plate 1 is less than 0.4.
This kind of fracture of ilium positioning device will first be adjusted at fracture of ilium when synthetism operates, pass through the first fixture block and the second fixture block
Then bone screw is penetrated pilot hole by clamping ilium, guarantee that bone screw will not be pierced by from the side of ilium, and bone screw
It is not susceptible to shift at fracture of ilium when penetrating, the radian of arc fixed plate guarantees to fix in arc in the second fixture block less than 0.4
The bone screw for penetrating pilot hole on plate when any position will not be all pierced by from the side of ilium.
First fixture block 3 and second fixture block 4 are set to the front of the arc fixed plate 1, and the arc is fixed
The back side of plate 1 is provided with the second locating piece 9, by passing through the bar shaped between second locating piece 9 and second fixture block 4
The screw 10 of through-hole 2 is fixed.It is simple using the connection structure of the second fixture block of structure on arc fixed plate, it is easily assembled to.
The back side of the arc fixed plate 1 is provided with the first locating piece 11, first locating piece 11 and first card
Block 3 is fixedly connected, and the spring 8 is provided between first locating piece 11 and second locating piece 9.Made using the structure
Obtaining the first locating piece can easily be fixed on arc fixed plate, and gives spring to install and provide position.
Claims (3)
1. column intramedullary nail guider before and after a kind of ilium, it is characterised in that: including with the matched arc fixed plate of ilium lateral surface
(1), it is provided with strip through-hole (2) on the arc fixed plate (1), described strip through-hole (2) one end is fixed with the first fixture block
(3), it slides and is provided with the second fixture block (4) on the strip through-hole (2), close to second fixture block on first fixture block (3)
(4) side be provided with posterior superior iliac spine and/or matched first groove (5) of spina iliaca posterior inferior shape, on second fixture block (4)
Close to the side of first fixture block (3) be provided with matched second slot (6) of anterior superior spine and/or anterior inferior spine, described the
It is provided with the pilot hole (7) by anterior inferior spine towards posterior superior iliac spine direction on two fixture blocks (4), first fixture block (3) and described
It is provided between second fixture block (4) spring (8), the radian of the arc fixed plate (1) is less than 0.4.
2. column intramedullary nail guider before and after a kind of ilium as described in claim 1, it is characterised in that: first fixture block (3)
The front of the arc fixed plate (1) is set to second fixture block (4), the back side of the arc fixed plate (1) is provided with
Second locating piece (9), by passing through the strip through-hole (2) between second locating piece (9) and second fixture block (4)
Screw (10) is fixed.
3. column intramedullary nail guider before and after a kind of ilium as claimed in claim 2, it is characterised in that: the arc fixed plate
(1) the back side is provided with the first locating piece (11), and first locating piece (11) is fixedly connected with first fixture block (3), institute
It states and is provided with the spring (8) between the first locating piece (11) and second locating piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401729.XU CN208989110U (en) | 2018-08-29 | 2018-08-29 | A kind of ilium front and back column intramedullary nail guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401729.XU CN208989110U (en) | 2018-08-29 | 2018-08-29 | A kind of ilium front and back column intramedullary nail guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208989110U true CN208989110U (en) | 2019-06-18 |
Family
ID=66799036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821401729.XU Expired - Fee Related CN208989110U (en) | 2018-08-29 | 2018-08-29 | A kind of ilium front and back column intramedullary nail guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208989110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113384339A (en) * | 2021-05-28 | 2021-09-14 | 苏州大学附属第一医院 | Acetabulum posterior column screw guider |
-
2018
- 2018-08-29 CN CN201821401729.XU patent/CN208989110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113384339A (en) * | 2021-05-28 | 2021-09-14 | 苏州大学附属第一医院 | Acetabulum posterior column screw guider |
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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 |
Granted publication date: 20190618 Termination date: 20210829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |