CN205144694U - Skull ring stick combination external fixator - Google Patents
Skull ring stick combination external fixator Download PDFInfo
- Publication number
- CN205144694U CN205144694U CN201520869955.0U CN201520869955U CN205144694U CN 205144694 U CN205144694 U CN 205144694U CN 201520869955 U CN201520869955 U CN 201520869955U CN 205144694 U CN205144694 U CN 205144694U
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- China
- Prior art keywords
- slide block
- slider
- curb plate
- side plate
- hole
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Abstract
The utility model discloses a skull ring stick combination external fixator, be in including a plurality of curb plate and connection spliced pole and slider between the curb plate. The slider moves in the curb plate frame, and delicate removal can be realized to gear on the slider and the meshing of curb plate inner rack, and the swing pinion then drives whole slider and moves along the pitch arc, and the curb plate has different radians to select, and the arc boss card of both sides slides in the arc wall of curb plate on the slider, guarantees the accurate nature of orbit, all installs a plurality of spicules on slider, the spliced pole, realizes many fixing by cross bearings. The utility model discloses a four sides frame that curved curb plate and spliced pole were establish for the slider is stable sliding in the four sides frame, drives the spicule and be the clinical operation that the bone was moved, simple structure, regulation convenience along certain radian.
Description
Technical field
This utility model relates to a kind of skull ring rod combination exterior fixation bracket.
Background technology
In fracture of skull or operation of opening cranium during defect of skull, general is all adopt the biology of allosome xenogenesis or metal material to modify clinically, and this reparation brings such as: foreign body rejection, a lot of disadvantage such as cold and hot expansion, Russia has had this document and clinical data to show, adopting bone to move repairing bone defect is a kind of very effective hands art, due at skull position, this moves with bone with regard to needing the orthopedic instrument of specialty to be fixed, help recovery as early as possible and the healing of defect skeleton, skull ring rod combination exterior fixation bracket is the medical apparatus and instruments of the specialty of operation Clinical practice.At present, the orthopaedics ring rod combination exterior fixation bracket that domestic and international medical market is commonly used is all that general ring and threaded bar combinationally use mostly, generally there is following shortcoming: 1, bone is moved in process accurately to carry out slippage by the different radian of skull and to fix; 2, general apparatus complex structure and combination complex operation.
Utility model content
The technical problems to be solved in the utility model is the defect overcoming prior art, provides a kind of skull ring rod combination exterior fixation bracket, can realize the precise flow of arcuate directions and reliable fixing, and the speed of slippage can manual control and stop at any time and fixedly secure.
In order to solve the problems of the technologies described above, this utility model provides following technical scheme:
A kind of skull ring rod of this utility model combination exterior fixation bracket, comprise several side plates and the joint pin be connected between described side plate and slide block, the middle part of described side plate is provided with arcuate groove, the side of described arcuate groove is provided with tooth bar, the two ends of described slide block are provided with arc boss, described arc boss movable inner sleeve is in described arcuate groove, described slide block two ends in one's ear on be provided with slider throughbores, described slider throughbores inner sleeve has driving shaft, described both ends of main drive shaft is provided with ladder boss, on described ladder boss, fixed cover is equipped with gear, described ladder boss is engaged with described tooth bar by described gear,
The middle part of described slide block is provided with several pin holes, the side of described slide block is corresponding with described pin hole is provided with several positioning screw holes, the two ends of described joint pin are provided with several pin holes, the side of described joint pin is corresponding with described pin hole is provided with screw, be provided with spicule in described pin hole, described spicule is fixed by the dog screw be arranged in described positioning screw hole.
As the preferred a kind of technical scheme of this utility model, the outer end of the arc boss at described slide block two ends is built-in with external screw, described arc boss is bolted with guide nut by described external screw, and the radial diameter of described guide nut is greater than the groove width of described arcuate groove.
As the preferred a kind of technical scheme of this utility model, the two ends of described side plate are provided with side plate through-hole, the both ends of described joint pin are built-in with external screw, are placed in described side plate through-hole in the two ends of described joint pin, and described joint pin to be spirally connected hold-doun nut by the described external screw at two ends.
As the preferred a kind of technical scheme of this utility model, the two ends of described driving shaft are provided with inner hexagonal hole.
The beneficial effect that this utility model reaches is: slide block moves in side plate framework, gear on slide block engages with side plate inner rack, accurate movement can be realized, swing pinion then drives whole slide block to move along camber line, and side plate has different radians to select, on slide block, the arc boss of both sides is stuck in the interior slip of arcuate groove of side plate, ensures the accuracy of track, slide block, joint pin are all provided with some spicules, realize multi-faceted location.The quadrilateral frame that this utility model is set up by side plate and the joint pin of arc, makes slide block stablize slippage in quadrilateral frame, and drive spicule to do along certain radian the clinical operation that bone moves, structure is simple, easy to adjust.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation this utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the lateral plate structure schematic diagram in Fig. 1;
Fig. 3 is the spicule structures schematic diagram in Fig. 1;
Fig. 4 is the slide block structure schematic diagram in Fig. 1;
Fig. 5 is the joint pin structural representation in Fig. 1;
Fig. 6 is the driving shaft structural representation in Fig. 1;
In figure: 1, side plate; 1-1, arcuate groove; 1-2, tooth bar; 1-3, side plate through-hole; 2, joint pin; 3, slide block; 3-1 slider throughbores; 3-2, arc boss; 4, driving shaft; 4-1, ladder boss; 4-2, inner hexagonal hole; 5, spicule; 6, dog screw; 7, guide nut; 8, hold-doun nut; 9, gear; 10, external screw; 23, positioning screw hole; 32, pin hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of this utility model, and be not used in restriction this utility model.
Embodiment 1
As shown in figures 1 to 6, a kind of skull ring rod combination exterior fixation bracket, comprise several side plates 1 and the joint pin 2 be connected between described side plate 1 and slide block 3, the middle part of described side plate 1 is provided with arcuate groove 1-1, the side of described arcuate groove 1-1 is provided with tooth bar 1-2, the two ends of described slide block 3 are provided with arc boss 3-2, described arc boss 3-2 movable inner sleeve is in described arcuate groove 1-1, described slide block 3 two ends in one's ear on be provided with slider throughbores 3-1, described slider throughbores 3-1 inner sleeve has driving shaft 4, described driving shaft 4 two ends are provided with ladder boss 4-1, on described ladder boss 4-1, fixed cover is equipped with gear 9, described ladder boss 4-1 is engaged with described tooth bar 1-2 by described gear 9,
The middle part of described slide block 3 is provided with several pin holes 32, the side of described slide block 3 is corresponding with described pin hole 32 is provided with several positioning screw holes 23, the two ends of described joint pin 2 are provided with several pin holes 32, the side of described joint pin 2 is corresponding with described pin hole 32 is provided with screw 23, be provided with spicule 5 in described pin hole 32, described spicule 5 is fixed by the dog screw 6 be arranged in described positioning screw hole 23.
The outer end of the arc boss 3-2 at described slide block 3 two ends is built-in with external screw 10, and described arc boss 3-2 is bolted with guide nut 7 by described external screw 10, and the radial diameter of described guide nut 7 is greater than the groove width of described arcuate groove 1-1.
The two ends of described side plate 1 are provided with side plate through-hole 1-3, the both ends of described joint pin 2 are built-in with external screw 10, be placed in the two ends of described joint pin 2 in described side plate through-hole 1-3, described joint pin 2 to be spirally connected hold-doun nut 8 by the described external screw 10 at two ends.
The two ends of described driving shaft 4 are provided with inner hexagonal hole 4-2.Fine adjustment can be carried out by inner hexagonal hole 4-2 when using this utility model, such as, pass through inner hexagonal hole 4-2 fine rotation driving shaft 4 with die nut, thus slide block is regulated.
The beneficial effect that this utility model reaches is: slide block 3 moves in side plate 1 framework, gear 9 on slide block 3 engages with side plate 1 inner rack 1-2, accurate movement can be realized, swing pinion 9 drives whole slide block 3 to move along camber line, and side plate 1 has different radians to select, on slide block 3, the arc boss 3-2 of both sides is stuck in the interior slip of arcuate groove 1-1 of side plate 1, ensures the accuracy of track, slide block 3, joint pin 2 are all provided with some spicules 5, realize multi-faceted location.The quadrilateral frame that this utility model is set up by side plate 1 and the joint pin 2 of arc, makes slide block 3 stablize slippage in quadrilateral frame, and drive spicule 5 to do along certain radian the clinical operation that bone moves, structure is simple, easy to adjust.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, although be described in detail this utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a skull ring rod combination exterior fixation bracket, it is characterized in that, the joint pin (2) comprising several side plates (1) and be connected between described side plate (1) and slide block (3), the middle part of described side plate (1) is provided with arcuate groove (1-1), the side of described arcuate groove (1-1) is provided with tooth bar (1-2), the two ends of described slide block (3) are provided with arc boss (3-2), described arc boss (3-2) movable inner sleeve is in described arcuate groove (1-1), described slide block (3) two ends in one's ear on be provided with slider throughbores (3-1), described slider throughbores (3-1) inner sleeve has driving shaft (4), described driving shaft (4) two ends are provided with ladder boss (4-1), the upper fixed cover of described ladder boss (4-1) is equipped with gear (9), described ladder boss (4-1) is engaged with described tooth bar (1-2) by described gear (9),
The middle part of described slide block (3) is provided with several pin holes (32), the side of described slide block (3) is corresponding with described pin hole (32) is provided with several positioning screw holes (23), the two ends of described joint pin (2) are provided with several pin holes (32), the side of described joint pin (2) is corresponding with described pin hole (32) is provided with screw (23), be provided with spicule (5) in described pin hole (32), described spicule (5) is fixed by the dog screw (6) be arranged in described positioning screw hole (23).
2. a kind of skull ring rod combination exterior fixation bracket according to claim 1, it is characterized in that, the outer end of the arc boss (3-2) at described slide block (3) two ends is built-in with external screw (10), described arc boss (3-2) is bolted with guide nut (7) by described external screw (10), and the radial diameter of described guide nut (7) is greater than the groove width of described arcuate groove (1-1).
3. a kind of skull ring rod combination exterior fixation bracket according to claim 1, it is characterized in that, the two ends of described side plate (1) are provided with side plate through-hole (1-3), the both ends of described joint pin (2) are built-in with external screw (10), be placed in described side plate through-hole (1-3) in the two ends of described joint pin (2), described joint pin (2) to be spirally connected hold-doun nut (8) by the described external screw (10) at two ends.
4. a kind of skull ring rod combination exterior fixation bracket according to claim 1, it is characterized in that, the two ends of described driving shaft (4) are provided with inner hexagonal hole (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869955.0U CN205144694U (en) | 2015-10-30 | 2015-10-30 | Skull ring stick combination external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869955.0U CN205144694U (en) | 2015-10-30 | 2015-10-30 | Skull ring stick combination external fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205144694U true CN205144694U (en) | 2016-04-13 |
Family
ID=55680441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520869955.0U Expired - Fee Related CN205144694U (en) | 2015-10-30 | 2015-10-30 | Skull ring stick combination external fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205144694U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105232126A (en) * | 2015-10-30 | 2016-01-13 | 天津市新中医疗器械有限公司 | Skull ring and bar combined external fixing support |
| CN107550552A (en) * | 2017-09-29 | 2018-01-09 | 宁波市第六医院 | A kind of calcaneum fixed support |
| CN107789046A (en) * | 2017-10-23 | 2018-03-13 | 许奎瑞 | A kind of skull ring rod combines exterior fixing rack |
| CN110025370A (en) * | 2019-05-10 | 2019-07-19 | 张纯朴 | A kind of Limb lengthening, bone move external adjuster and its assemble method |
-
2015
- 2015-10-30 CN CN201520869955.0U patent/CN205144694U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105232126A (en) * | 2015-10-30 | 2016-01-13 | 天津市新中医疗器械有限公司 | Skull ring and bar combined external fixing support |
| CN107550552A (en) * | 2017-09-29 | 2018-01-09 | 宁波市第六医院 | A kind of calcaneum fixed support |
| CN107550552B (en) * | 2017-09-29 | 2024-05-24 | 宁波市第六医院 | Calcaneus fixed bolster |
| CN107789046A (en) * | 2017-10-23 | 2018-03-13 | 许奎瑞 | A kind of skull ring rod combines exterior fixing rack |
| CN107789046B (en) * | 2017-10-23 | 2019-08-02 | 许奎瑞 | A kind of skull ring stick combination exterior fixing rack |
| CN110025370A (en) * | 2019-05-10 | 2019-07-19 | 张纯朴 | A kind of Limb lengthening, bone move external adjuster and its assemble method |
| CN110025370B (en) * | 2019-05-10 | 2024-04-26 | 张纯朴 | External adjuster for bone extension and bone movement and assembling method thereof |
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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: 20160413 Termination date: 20201030 |