CN2686543Y - Opening-resetting fixing device for fracture synthetism - Google Patents
Opening-resetting fixing device for fracture synthetism Download PDFInfo
- Publication number
- CN2686543Y CN2686543Y CN 200420033267 CN200420033267U CN2686543Y CN 2686543 Y CN2686543 Y CN 2686543Y CN 200420033267 CN200420033267 CN 200420033267 CN 200420033267 U CN200420033267 U CN 200420033267U CN 2686543 Y CN2686543 Y CN 2686543Y
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- China
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- support body
- fracture
- body bar
- armed lever
- ball pivot
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Abstract
The utility model is an opening-resetting fixing device for fracture synthesis, comprising a frame body rod, two arm rods equipped on the frame body rod, a positional adjusting mechanism for the arm rod, a clipping mechanism equipped on the lower end of the arm rod. In the two arms rods, one can axially move along the frame body rod, and the other is equipped on the end of the frame body rod by a ball pivot which is designed with a positioning locking structure. The utility model is suitable for various bone fracture synthetisms, and has features of high resetting capability, high fixing capability, convenient operation, good protection on the bone tissue, etc. The utility model obtains good curative effect in practical application and experiment.
Description
One, technical field
This utility model relates to the apparatus that uses in fracture operation, more particularly, this utility model relates to a kind of fracture fracture distraction reduction that will misplace and the stationary device that pressurizeed in fracture operation.
Two, background technology
Along with the progress of society and the rapid raising of economic and technique level, technology and idea that people handle fracture are also changing.The typical case who embodies this variation is by the transformation to the BO idea of the AO idea of internal fixation.The cardinal principle of BO idea is to reduce soft tissue injury, carries out functional rehabilitation early.According to mentioned above principle, people have designed many apparatuses that are used for the trauma fracture treatment, and the indirect restorer of wherein fracturing can be rated as the representative that embodies this principle.In fractures, use this apparatus under the situation of not damaging the fracture site soft tissue, to be resetted.But it also has obvious defects with not enough.This apparatus is used for fractures, because it mainly plays and axially struts effect, therefore can only be applicable to the treatment of axial dislocation and fracture, then can not be suitable for for screw type fracture and swing offset fracture.And its reset pressurization and operating characteristics are all poor, can't satisfy the needs of real fractures satisfactorily.
Three, summary of the invention
At the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of novel bone fracture treatment devices that can play strut, reset pressurization and fixation in fractures.This device is applicable to all kinds treatment of fractures, and operating characteristics is good with the pressurization that resets.
To achieve these goals, the bone fracture treatment devices that provides of this utility model has been taked following technical scheme:
The distraction reduction fixture of in fracture operation, using, mainly holding mechanism by support body bar, the pincers that are installed in two armed levers and mobile armed lever position adjusting mechanisms on the support body bar and are installed in the armed lever lower end constitutes, two armed levers have at least an armed lever to be installed on the support body bar with moving axially, and armed lever position adjusting mechanism and moveable arm pole pair should be provided with.Simultaneously, have at least an armed lever to be installed on the support body bar in two armed levers, and design have the positioning and locking structure on the ball pivot by the ball pivot that contains two rotational freedoms at least.
The set-up mode of two armed levers, top-priority scheme is that an armed lever for being installed on the support body bar along support body with moving axially, another armed lever is fixedly mounted on the support body bar by the ball pivot that contains two rotational freedoms at least, promptly can not be installed in the support body bar along the support body bar with moving axially.Be fixedly mounted on armed lever on the support body bar by ball pivot, its installation site is the end of support body bar preferably, promptly is fixedly mounted on the support body boom end.Anti-" F " type of the whole one-tenth of device.Be fixedly mounted on the mode that the armed lever on the support body bar is placed in ball pivot by ball pivot, for the hinge ball of armed lever and ball pivot is fixedly connected, certainly preferably again by an elbow piece with cut with scissors ball and connect.Ball pivot is paid the utmost attention to employing can rotate 360 ° ball pivot around the support body rod axis, be arranged on and be used for determining the positioning and locking structure of hinge ball on the ball pivot in hinge ball seat position, screwed hole and the with matching bolt of the hinge of serving as reasons on the ball seat constitutes, and the sphere of the termination of bolt for matching with the hinge ball.
Can be directly installed on the support body bar along the axially movable armed lever of support body bar, also can be by being installed on the support body bar at the slide block that slides on the support body bar.Slide block can be the entity slide block that can slide in the chute on the support body bar, also can be to be nested with shell type slide block on the support body bar.The back is a kind of relatively simple for structure, can pay the utmost attention to employing.
Above-mentioned said support body bar can adopt threaded rod or polished rod.When the support body bar is threaded rod, be used to regulate the armed lever position adjusting mechanism of mobile armed lever position, can be designed to constitute by two nuts that match with threaded rod, two nuts lay respectively at the both sides that are installed with shell type slide block together with armed lever.Design is useful on the installing hole that handlebar is installed on the nut, so that swivel nut, the inboard nut of rotation can make the dislocation and fracture incision position realize strutting, the rotation outboard nut can make the fracture incision position that resets be secured in a press, two nuts can make the fixed fracture incision position that resetted be kept with the shell type slide block and tightly.
Above-mentioned said pincers are held mechanism and are fixedly mounted on the armed lever lower end dismantledly.Pincers are held mechanism and can directly be clamped and hold diaphysis, also can clamp and hold the nail that is fixed on the diaphysis.The specific constructive form that pincers are held mechanism has various ways.
The concrete occupation mode of this utility model in the fractures process is: after the fracture site percutaneous cuts, two pincers hold mechanism respectively tightly pincers holding the diaphysis on the fracture both sides of fracturing, rotation is positioned at the nut of the governor motion of mobile armed lever inboard, mobile armed lever is outwards moved, thereby the fracture fracture of dislocation is strutted after having overcome human muscle's contractility, and two parts diaphysis to fracture carries out docking operation subsequently.After butt joint put in place, loosening inboard nut resetted the butt joint of two parts diaphysis fracture, at this moment rotates nut outside earlier and makes the fracture fracture that has resetted compacted, rotates inboard nut, the fixing fracture fracture that has resetted and compressed afterwards again.Reuse internal fixation device is subsequently reinforced the fracture incision position as titanium steel plate etc.
When fracture for spiral fracture or the fracture of rotation displacement is arranged, when the fracture fracture struts and reset pressurization, must utilize to rotatablely move with the armed lever that the support body bar is placed in by ball pivot, can make injury-free the strutting and reset fully of diaphysis fracture.For the fracture of these types, the distraction reduction fixture of prior art is can not be existing in fact.
Compared with the prior art this utility model has following relatively more outstanding advantage:
1, reset capability is strong.This utility model resets applicable to all kinds fracture, both applicable to axial resetting of dislocation and fracture, also applicable to the screw type fracture with resetting of rotation displacement fracture arranged.To non axial dislocation and fracture, can be at different classification of fracture, by regulating the cooperation position of ball pivot, can be implemented in the fracture situation of actinal surface of damaged bone not two-part fracture face is resetted fully.
2, fixation is strong.After the fracture incision position resets,, make that resetting of incision position of fracture kept, created precondition for implementing internal fixation because incision position has been given axial compressive force.
3, Wicresoft.Because pincers are held the place away from the fracture incision position, the fractures process be under the situation of not disturbing the incision position blood operation, realize resetting fixing, thereby embodied the principle of Wicresoft.
4, workable.The fracture incision position realize resetting fixing after, can as the difference of steel plate installation position, can avoid certain orientation according to inner matter by regulating ball pivot, that gives inner matter has fixedly createed bigger working place, has made things convenient for medical worker's treatment to operate.
5, clinical application effect is good.This utility model has been obtained good effect through clinical practice utilization experiment, has reached purpose of design fully.
This utility model also has the effect of some other aspect.
Four, description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is that the A of accompanying drawing 1 is to structural representation.
Accompanying drawing 3 is that component parts pincers of the present utility model are held the another kind of version sketch map of mechanism.
Accompanying drawing 4 is that component parts pincers of the present utility model are held the another kind of again version sketch map of mechanism.
Figure labelled notation in the above-mentioned accompanying drawing is respectively:
The 1-steel nail; The 2-pincers are held mechanism; The 3-fastening bolt; 4-moves armed lever; The 5-nut; 6-handle installing hole; 7-threaded frame body rod; 8-shell type slide block; The 9-ball pivot; 10-constitutes the hinge ball seat of ball pivot; 11-constitutes the hinge ball of ball pivot; The 12-elbow piece; The non-moving armed lever of 13-; 14-ball pivot positioning and locking bolt.
Five, the specific embodiment
The distraction reduction fixture of in fracture operation, using, its concrete structure as shown in Figures 1 and 2, by threaded frame body rod 7, be installed in two armed levers on the support body bar and be directly used in the armed lever position adjusting mechanism of regulating mobile armed lever position, and the pincers that are placed in two armed lever lower ends are respectively held mechanism and constituted.In two armed levers, mobile armed lever 4 is by being installed on the support body bar at the shell type slide block 8 that slides on the support body bar, and this armed lever 4 is installed together by screw thread pair and shell type slide block 8.Non-moving armed lever 13 is installed in the end of threaded frame body rod by ball pivot 9 and 90 ° of elbow pieces 12.Ball pivot is made of hinge ball 11 and hinge ball seat 10, and hinge ball and 90 ° of elbow pieces 12 are fixedly installed togather.Hinge ball seat 10 is fixedly installed togather with the support body bar.Design has the positioning and locking structure on the ball pivot, and this structure is made of hinge ball seat upper screwed hole and bolt with matching 14, and the tip designs of bolt 14 has the sphere that matches with the hinge ball.The pincers that are placed in the armed lever lower end are held mechanism 2 and are used to clamp and hold the nail 1 that is fixed in the fracture diaphysis, and pincers are held mechanism and are fixedly mounted on the armed lever lower end by fastening bolt 3.Directly act on mobile armed lever and make fracture fracture distraction reduction fixed mobile armed lever governor motion, be by with the threaded frame body rod on threads engaged, lay respectively at shell type slide block 8 inside and outside two two nuts 5 and constitute.Design is useful on the handle installing hole 6 that rotating nut is installed on the nut.Rotate inboard nut armed lever 4 is outwards moved, the dislocation and fracture fracture is strutted, rotate outboard nut armed lever 4 is moved inward, the fracture fracture that butt joint is resetted is fixed.
This utility model is not limited to the described form of embodiment.
Claims (10)
1, struts reseting fixture in a kind of fracture art, mainly holding mechanism by support body bar, the pincers that are installed in two armed levers and mobile armed lever position adjusting mechanisms on the support body bar and are installed in the armed lever lower end constitutes, two armed levers have at least an armed lever to be installed on the support body bar with moving axially, position adjusting mechanism and moveable arm pole pair should be installed, it is characterized in that having at least an armed lever to be installed on the support body bar, and design have the positioning and locking structure on the ball pivot by the ball pivot that has two rotational freedoms at least.
2, strut reseting fixture in the fracture art as claimed in claim 1, it is characterized in that in said two armed levers one for being installed on the support body bar along the support body bar, another is fixedly mounted on the support body bar by the ball pivot that contains two rotational freedoms at least with moving axially.
3, strut reseting fixture in the fracture art as claimed in claim 2, it is characterized in that the armed lever that is fixedly mounted on the support body bar by ball pivot is to be fixedly mounted on the support body boom end.
4, strut reseting fixture in the fracture art as claimed in claim 3, it is characterized in that by the armed lever that ball pivot is installed in the support body boom end it being that hinge ball by elbow piece and ball pivot is installed with and is integral.
5, strut reseting fixture in the fracture art as claimed in claim 4, it is characterized in that said ball pivot is can be around the ball pivot of 360 ° of support body rod axis rotations.
6, strut reseting fixture in the fracture art as claimed in claim 5, it is characterized in that said ball pivot positioning and locking structure screw and the with matching bolt of hinge on the ball seat of serving as reasons constitutes, the sphere of the termination of bolt for matching with the hinge ball.
7,, it is characterized in that said can be by being installed on the support body bar at the slide block that slides on the support body bar along the axially movable armed lever of support body bar as strutting reseting fixture in claim 1 or 2 or the 3 or 4 described fracture arts.
8, strut reseting fixture in the fracture art as claimed in claim 7, it is characterized in that said slide block is the shell type slide block.
9, strut reseting fixture in the fracture art as claimed in claim 8, it is characterized in that the support body bar is a threaded rod, mobile armed lever position adjusting mechanism is made of two nuts with the threads engaged of support body bar, and two nuts lay respectively at two of shell type slide blocks.
10, strut reseting fixture in the fracture art as claimed in claim 7, it is characterized in that said pincers hold mechanism and be fixedly mounted on the armed lever lower end dismantledly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033267 CN2686543Y (en) | 2004-03-17 | 2004-03-17 | Opening-resetting fixing device for fracture synthetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033267 CN2686543Y (en) | 2004-03-17 | 2004-03-17 | Opening-resetting fixing device for fracture synthetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2686543Y true CN2686543Y (en) | 2005-03-23 |
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ID=34670699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420033267 Expired - Fee Related CN2686543Y (en) | 2004-03-17 | 2004-03-17 | Opening-resetting fixing device for fracture synthetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2686543Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496015A (en) * | 2017-09-02 | 2017-12-22 | 潍坊钰鼎生物科技有限公司 | Reduction of the fracture mechanism |
-
2004
- 2004-03-17 CN CN 200420033267 patent/CN2686543Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496015A (en) * | 2017-09-02 | 2017-12-22 | 潍坊钰鼎生物科技有限公司 | Reduction of the fracture mechanism |
| CN107496015B (en) * | 2017-09-02 | 2024-02-09 | 潍坊钰鼎生物科技有限公司 | Fracture reduction mechanism |
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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 |