CN205493981U - Astragalus outside anatomical form locking plate - Google Patents
Astragalus outside anatomical form locking plate Download PDFInfo
- Publication number
- CN205493981U CN205493981U CN201620024238.2U CN201620024238U CN205493981U CN 205493981 U CN205493981 U CN 205493981U CN 201620024238 U CN201620024238 U CN 201620024238U CN 205493981 U CN205493981 U CN 205493981U
- Authority
- CN
- China
- Prior art keywords
- astragalus
- fixed part
- outside
- steel plate
- connecting portion
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an astragalus outside anatomical form locking plate, including steel plate body, locking hole, steel plate body's edge is equipped with the slick and sly pitch arc with astragalus outside physiology radian looks adaptation, steel plate body has first fixed part, connecting portion and second fixed part, the cartilage parallel and level of first fixed part and astragalus head, connecting portion are down along putting down the shank hole, the cartilage parallel and level of second fixed part and astragalus somatic part, a plurality of is respectively established in first fixed part and second fixed part to the locking pore size distribution, the external sleeve of locking jogged joint. The utility model discloses a clothes are closely pasted in astragalus outside anatomical form locking plate and the astragalus outside, can be used to the treatment of astragalus comminuted fracture, and the external sleeve of locking jogged joint plays the guide effect through the sleeve, and the pass nodal section can not put into to the screw, has safe, accurate characteristics.
Description
Technical field
This utility model belongs to medical instruments field, particularly relates to anatomical form locking steel plate outside a kind of astragalus.
Background technology
Astragalus anatomical position is special, is that human body is unique without muscle, the skeleton of tendon attachment, and after fracture, the probability of secondary traumatic arthritis is the biggest.The internal fixation material of fracture of talus mainly has normal screws nail, hollow nail, bioabsorbable interference screw, but fixing material above-mentioned for comminuted fracture is difficult to maintain fracture to stablize, and can be used for outside astragalus fixing clinically after being used for the steel plate cutting of fracture of the metatarsal bone, pre-bending.There is no at present and a kind of be specifically designed to the outside plate that fracture of talus is fixing.
Utility model content
The purpose of this utility model is to provide anatomical form locking steel plate outside a kind of astragalus, it is intended to solve to there is no the problem being specifically designed to the fixing outside plate of fracture of talus at present.
This utility model is achieved in that outside a kind of astragalus, anatomical form locking steel plate includes steel plate body, lock hole；
The edge of described steel plate body be provided with astragalus outside the suitable round and smooth camber line of physiologic radian；
Described steel plate body has the first fixed part, connecting portion and the second fixed part, described first fixed part is concordant with the cartilage of astragalus head, along flat veins of tarsal sinus under described connecting portion, described second fixed part is concordant with the cartilage of astragalus body, described lock hole is distributed in the first fixed part and the second fixed part, respectively setting several, lock hole connects external sleeve.
Further, described round and smooth camber line in the range of: outside astragalus between articulatio talonavicularis face and body of talus lateral articular face exist region without articular surface.
Further, the angle between the first fixed part and connecting portion is growth angle outside astragalus, and the angle of connecting portion and the second fixed part is growth angle outside astragalus.
Further, described steel plate body is medical stainless steel or titanium alloy is made.
Further, a diameter of 2.7mm of described lock hole.
Outside astragalus of the present utility model, tight docile outside anatomical form locking steel plate and astragalus, can be used for the treatment of astragalus syntripsis, and lock hole connects external sleeve, plays guide effect by sleeve, and screw will not insert articular surface, has safe and accurate feature.
Accompanying drawing explanation
Fig. 1 is the structural representation of anatomical form locking steel plate outside the astragalus that this utility model embodiment provides；
In figure: 1, the first fixed part；2, connecting portion；3, the second fixed part；4, lock hole；5, external sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further:
As it is shown in figure 1, anatomical form locking steel plate includes steel plate body, lock hole outside a kind of astragalus；
The edge of described steel plate body be provided with astragalus outside the suitable round and smooth camber line of physiologic radian；
Described steel plate body has the first fixed part 1, connecting portion 2 and the second fixed part 3, described first fixed part 1 is concordant with the cartilage of astragalus head, described connecting portion 2 times is along flat veins of tarsal sinus, described second fixed part 3 is concordant with the cartilage of astragalus body, described lock hole 4 is distributed in the first fixed part 1 and the second fixed part 3, first fixed part 1 being provided with three lock holes 4, the second fixed part 3 is provided with four lock holes, lock hole connects external sleeve 5；
Lock hole 4 connects external sleeve 5, plays guide effect by external sleeve 5, and screw will not insert articular surface, has safe and accurate feature.
Further, described round and smooth camber line in the range of: outside astragalus between articulatio talonavicularis face and body of talus lateral articular face exist region without articular surface.
Further, the angle between the first fixed part 1 and connecting portion 2 is growth angle outside astragalus, and the angle of connecting portion 2 and the second fixed part 3 is growth angle outside astragalus.
Further, described steel plate body is medical stainless steel or titanium alloy is made.
Further, the described a diameter of 2.7mm of lock hole 4.
Outside astragalus of the present utility model, anatomical form locking steel plate is provided with different size specification, has left and right foot two.
Outside this astragalus, the manufacture method of anatomical form locking steel plate comprises the following steps:
Step one, by the CT scan layer data of foot with .dicom form import Mimics software, first intensity slicing is extracted the sclerotin boundary profile information area, then optimal mode is used to rebuild threedimensional model, Three-dimension Reconstruction Model is imported in three-dimensional drawing software, draw and design and the steel plate body of the outside phase docile at astragalus；
The route of nail is entered in step 2, drafting for design one complementary sleeve simulation screw, makes each enter to follow closely route and does not pass through astragalus joint head, body articular surface.
Step 3, complete the making of virtual steel plate after, obtain virtual steel plate workpiece, utilize rapid shaping technique (3D printing), lathe produces.
Outside astragalus of the present utility model, tight docile outside anatomical form locking steel plate and astragalus, can be used for the treatment of astragalus syntripsis, and lock hole connects external sleeve, plays guide effect by sleeve, and screw will not insert articular surface, has safe and accurate feature.
Utilize technical scheme described in the utility model, or those skilled in the art is under the inspiration of technical solutions of the utility model, design similar technical scheme, and reach above-mentioned technique effect, all fall into protection domain of the present utility model.
Claims (1)
1. anatomical form locking steel plate outside an astragalus, it is characterised in that outside described astragalus, anatomical form locking steel plate includes steel plate body, lock hole；
The edge of described steel plate body be provided with astragalus outside the suitable round and smooth camber line of physiologic radian；
Described steel plate body has the first fixed part, connecting portion and the second fixed part, described first fixed part is concordant with the cartilage of astragalus head, along flat veins of tarsal sinus under described connecting portion, described second fixed part is concordant with the cartilage of astragalus body, described lock hole is distributed in the first fixed part and the second fixed part, respectively setting several, lock hole connects external sleeve；
Described round and smooth camber line in the range of: outside astragalus between articulatio talonavicularis face and body of talus lateral articular face exist region without articular surface；
Angle between first fixed part and connecting portion is growth angle outside astragalus, and the angle of connecting portion and the second fixed part is growth angle outside astragalus；
Described steel plate body is medical stainless steel or titanium alloy is made；
The a diameter of 2.7mm of described lock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620024238.2U CN205493981U (en) | 2016-01-12 | 2016-01-12 | Astragalus outside anatomical form locking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620024238.2U CN205493981U (en) | 2016-01-12 | 2016-01-12 | Astragalus outside anatomical form locking plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205493981U true CN205493981U (en) | 2016-08-24 |
Family
ID=56722074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620024238.2U Expired - Fee Related CN205493981U (en) | 2016-01-12 | 2016-01-12 | Astragalus outside anatomical form locking plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205493981U (en) |
-
2016
- 2016-01-12 CN CN201620024238.2U patent/CN205493981U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160824 Termination date: 20170112 |