CN2724650Y - Sighting device for internal fixation of fractured bone - Google Patents
Sighting device for internal fixation of fractured bone Download PDFInfo
- Publication number
- CN2724650Y CN2724650Y CN 200420014486 CN200420014486U CN2724650Y CN 2724650 Y CN2724650 Y CN 2724650Y CN 200420014486 CN200420014486 CN 200420014486 CN 200420014486 U CN200420014486 U CN 200420014486U CN 2724650 Y CN2724650 Y CN 2724650Y
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- CN
- China
- Prior art keywords
- bar
- slip
- sighting
- straight
- hole
- 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 a sighting device for internal fixation of fractured bone, comprising a fixing rod (1), a slip aiming rod (2), a normal screw cap (3) and matched sleeve (11). The utility model is characterized in that the straight rod part (4) of the fixing rod and the straight rod part (7) of the slip aiming rod are connected into a whole after passing through holes (10) and being stranded by the screw cap (3), and the slip aiming rod (2) can slip along the straight rod part (4) of the fixing rod and the location of the slip aiming rod can be adjusted by the screw cap (3); the bended part (5) of the fixing rod and the bended part (8) of the slip aiming rod are respectively provided with at least one fixing hole (6) and an aiming hole (9), and the shapes, the sizes and the location of the two bended parts are corresponding to each other. The effect is that the utility model has a simple structure, good performance of being positioned and aimed reliably and can be fixed temporarily.
Description
Technical field
What this utility model was related is the sighting device that has positioning action in a kind of operation, belongs to the operating theater instruments of Orthopeadic Surgery special use.
Background technology
In today of scientific and technical high speed development, Minimally Invasive Surgery is because of the advantage that it had, and more and more is subject to people's attention and favors.Aspect the fracture internal fixation operation, people are also more and more higher to the requirement of fracture internal fixation operation, at present, the less most of hospital of operation of wounds such as percutaneous interlocking intramedullary nail internal fixation operation and percutaneous locked pressurized bone plate internal fixation operation can carry out, in fact, why operations such as percutaneous interlocking intramedullary nail internal fixation operation and percutaneous locked pressurized bone plate internal fixation can extensively be carried out, sighting device has played irreplaceable effect, but because it is matching used device, if after having left self-locking nail and blade plate, this sighting device has just lost its meaning.And in actual life, only need go long inclined-plane fracture or some simple fracture of metaphysis of screw or Kirschner wire internal fixation for some, if can be under the help of sight device, operation equally can be accomplished to oversimplify, Wicresoftization, comprise the operation of the comminuted fracture that some are complicated, if the help of sight device is arranged, also can alleviate the damage of holing and bringing because of blindly, reduce the difficulty of operation.And present used clinically sighting device all is confined to the application at a certain position, can not extensively carry out, and therefore, is necessary existing sighting device is improved, to adapt to needs different in the different internal fixation operations.
The utility model content
It is reliable and have a location sighting device of temporary fixed effect that the purpose of this utility model provides a kind of simple in structure, aiming performance.
For realizing above-mentioned purpose, the technical scheme that this utility model adopted is: a kind of orthopaedics internal fixation sight, sleeve (11) composition that comprises fixed bar (1), slip sighting bar (2), plain nut (3) and match.The straight bar part (4) that it is characterized in that fixed bar uses nut (3) string dress back to form an integral body with straight bar part (7) via through holes (10) of slip sighting bar, and slip sighting bar (2) can be regulated its position by nut (3) along straight bar part (4) slip of fixed bar and according to the needs in the operation.Wherein the sweep (8) of sweep of fixed bar (5) and slip sighting bar has at least one fixing hole (6) and at least one sight hole (9), and both shapes, size and location are in correspondence with each other.In the operation according to fixed needs, be connected fixed bar (1), slip sighting bar (2), plain nut (3) and the sleeve that matches (11) in aggregates and be set in need fixed fracture sections after, utilize 2 principles that become line and parallel lines, can locate to aim at boring, fixing through sight hole (9).
Fixed bar of the present utility model (1) is made up of the straight bar part (4) of fixed bar and the sweep (5) of fixed bar.It is cylindrical that the straight bar part (4) that it is characterized in that fixed bar is class, and bottom surface and end face are the rectangle that is parallel to each other, and there is screw thread two sides, are used for being connected with nut (3); The sweep of fixed bar (5) is the rhizoma sparganic column, one side of nearly straight-bar bottom surface is convexly curved or is vertical with straight-bar, be used for the clamping sclerotin, have at least one fixing hole (6) perpendicular to its bottom on the incline of nearly straight-bar bottom surface, fixing hole (6) is rounded, can there be screw thread in the fixing hole (6), also can design screw thread, be used for installing sleeve (11), the diameter of different fixing hole (6) can be provided with identical, also can be different, to adapt to the different needs when choosing different inside-fixture.
Slip sighting bar of the present utility model (2) is made up of the straight bar part (7) of slip sighting bar and the sweep (8) of slip sighting bar.The straight bar part (7) of sighting bar of it is characterized in that sliding is a rectangular shape; its core has a through hole (10); the shape of through hole (10), size all match with shape, the size of the straight bar part (4) of fixed bar; after straight bar part (4) via through holes (10) of the straight bar part (7) of slip sighting bar and fixed bar connects; the sighting bar (2) of can guaranteeing to slide only can slide along the straight bar part (4) of fixed bar, and can not produce displacement.The shape of the shape of the sweep of slip sighting bar (8), size and the sweep (5) of fixed bar, big or small consistent, also be the rhizoma sparganic column, and it is corresponding with the sweep (5) of fixed bar, be used for the clamping sclerotin, have at least one sight hole (9) perpendicular to its bottom on one incline of nearly straight-bar bottom surface, the shape of each sight hole (9), size, position are corresponding mutually with shape, size, the position of fixing hole (6), can there be screw thread in the hole, also can design screw thread, be used for installing sleeve (11).
Sleeve of the present utility model (11), it is characterized in that being cylindric, in be furnished with the core of leading (12), periphery can not have screw thread, also can be provided with screw thread, the person that has the screw thread then with fixing hole (6), sight hole (9) in threaded portion match, also can sleeve in the sleeve (11), therefore, the size of sleeve (11), internal diameter, length can be arranged to multiple model.
With present sight relatively, 1., of the present utility model simple in structure, easy to operate the beneficial effects of the utility model are:; 2., because each corresponding fixing hole (6) and sight hole (9) all remain a straight line at slip sighting bar (2) when fixed bar (1) slides, therefore, aiming performance is reliable, can not produce dislocation; 3., the sweep of fixed bar (5) all is the rhizoma sparganic column with the sweep (8) of slip sighting bar, after connecting sleeve (11), no matter how different the shape of bone is, orthopaedics internal fixation sight and sclerotin fixing hole (6) locate and sight hole (9) locate to be a little with point between contact, therefore the location is accurate in the art, the needs that help different angles when carrying out internal fixation operation boring again, thereby range of application is more extensive; 4., tighten plain nut (3) back and also have temporary fixed effect at fracture segment.
Description of drawings
Fig. 1 is that the side of this utility model user mode is seen;
Fig. 2 is that the inclined-plane of this utility model user mode is seen;
Fig. 3 is that the side of this utility model fixed bar (1) is seen;
Fig. 4 is the norma sagittalis of this utility model fixed bar (1);
Fig. 5 is that the side of this utility model slip sighting bar (2) is seen;
Fig. 6 is the norma sagittalis of this utility model slip sighting bar (2);
Fig. 7 is that the interarea of this utility model plain nut (3) is seen;
Fig. 8 is that the side of this utility model sleeve (11) is seen;
Wherein, fixed bar (1), slip sighting bar (2), nut (3), the straight bar part of fixed bar (4), the sweep of fixed bar (5), fixing hole (6), the straight bar part of slip sighting bar (7), the sweep of slip sighting bar (8), sight hole (9), through hole (10), sleeve (11) is led core (12).
The specific embodiment
Following example 1-8 is in conjunction with the accompanying drawings illustrated:
Example one, if fracture is the internal fixation operation of cutting and resetting person, earlier fracture end is appeared, reset and with reduction forceps tentatively fixing after, direct-view is down selected intend holing fixed bone stump entry point and go out the position of pin mark, the straight bar part (4) of fixed bar and straight bar part (7) via through holes (10) of slip sighting bar are connected, after the straight bar part (4) of fixed bar is screwed into plain nut (3), the sweep (8) of the sweep (5) of the fixed bar of orthopaedics internal fixation sight and slip sighting bar is enclosed within intends on the fixed sections, and make fixing hole (6) and sight hole (9) aim at entry point respectively and go out the position of pin mark, tighten and regulate nut (3), make of straight bar part (4) slip of the straight bar part (7) of slip sighting bar along fixed bar, by regulating the position of nut (3), it is the distance between the sweep (5) of the sweep (8) of scalable slip sighting bar and fixed bar, fracture end relatively clamped and temporary fixed after, connect sleeve (11), can hole through the sleeve (11) in the sight hole (9), fixing.(also shouldn't sleeve, directly through sight hole (9) hole, fixing.)
Example two, if when carrying out the operation of little otch Kirschner wire of percutaneous or multiple screws, under X-ray machine perspective, reserve intend the entry point of holing and go out the position of pin mark after, cut an osculum earlier, with sleeve (11) with lead core (12) and connect, insert sleeve (11) in the skin incision place, make sleeve (11) aim at entry point respectively and go out the position of pin mark, then with fixed bar (1), slip sighting bar (2), plain nut (3) connects, after again two sleeves (11) being fixed with the fixing hole (6) of orthopaedics internal fixation sight and sight hole (9) respectively, tighten and regulate nut (3), after making the relative clamping of sight also temporary fixed with fracture end, extract and lead core (12), can hole through the sleeve (11) in the sight hole (9), fixing, owing to be the percutaneous internal fixation operation, wound is little, therefore, can deserve to be called Minimally Invasive Surgery truly.
Claims (3)
1, a kind of orthopaedics internal fixation sight, form by a fixed bar (1), a slip sighting bar (2), a plain nut (3) and the sleeve (11) that matches, the straight bar part (4) that it is characterized in that fixed bar uses nut (3) string cover back to form an integral body with straight bar part (7) via through holes (10) of slip sighting bar, and the slip sighting bar can be along straight bar part (4) slip of fixed bar.
2, orthopaedics internal fixation sight according to claim 1 is characterized in that described fixed bar (1) is made up of the straight bar part (4) of fixed bar and the sweep (5) of fixed bar.The straight bar part of fixed bar (4) has screw thread; The sweep of fixed bar (5) is rhizoma sparganic column or rectangular-shaped, in have at least one fixing hole (6).
3, orthopaedics internal fixation sight according to claim 1, it is characterized in that described slip sighting bar (2) is made up of the straight bar part (7) of slip sighting bar and the sweep (8) of slip sighting bar, the straight bar part of slip sighting bar (7) is a rectangular shape, its core has a through hole (10), and the shape of through hole (10), size all match with shape, the size of the straight bar part (4) of fixed bar; The shape of the shape of the sweep of slip sighting bar (8), size and the sweep (5) of fixed bar, big or small consistent, and it is corresponding with the sweep (5) of fixed bar, in have at least one sight hole (9), the shape of sight hole (9), size and the shape of fixing hole (6), big or small corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014486 CN2724650Y (en) | 2004-01-08 | 2004-01-08 | Sighting device for internal fixation of fractured bone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014486 CN2724650Y (en) | 2004-01-08 | 2004-01-08 | Sighting device for internal fixation of fractured bone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2724650Y true CN2724650Y (en) | 2005-09-14 |
Family
ID=35039378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420014486 Expired - Fee Related CN2724650Y (en) | 2004-01-08 | 2004-01-08 | Sighting device for internal fixation of fractured bone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2724650Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244971A (en) * | 2020-11-11 | 2021-01-22 | 湖南旺旺医院有限公司 | Orthopedics reduction fixer |
-
2004
- 2004-01-08 CN CN 200420014486 patent/CN2724650Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244971A (en) * | 2020-11-11 | 2021-01-22 | 湖南旺旺医院有限公司 | Orthopedics reduction fixer |
| CN112244971B (en) * | 2020-11-11 | 2021-09-24 | 湖南旺旺医院有限公司 | Orthopedics reduction fixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |