CN2817745Y - Sleeving ectosteal fixer - Google Patents
Sleeving ectosteal fixer Download PDFInfo
- Publication number
- CN2817745Y CN2817745Y CN 200520051472 CN200520051472U CN2817745Y CN 2817745 Y CN2817745 Y CN 2817745Y CN 200520051472 CN200520051472 CN 200520051472 CN 200520051472 U CN200520051472 U CN 200520051472U CN 2817745 Y CN2817745 Y CN 2817745Y
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- screw
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- silk braid
- cross bar
- screw mandrel
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Abstract
The utility model relates to a sleeving bone external fixer which is formed by the connection of two pairs of regulating arms with complete identical structures, and a left and a right connecting transverse rods, wherein each pair of regulating arms is all composed of a pressing plate, a left thread sheath rod, a right thread sheath rod, a left supporting column, a right supporting column, a left tightening screw, a right tightening screw, a left and a right screw rods, a positioning nut, a left support foot, a right support foot, a connecting screw and fixing screws of the transverse rods, wherein when used, the utility model is connected with the fracture end of a long bone of a human body by the connecting transverse rods of the utility model, so that a stable, telescopic and adjustable plane steady structure is formed, and functions of the fixation and the reposition of bones and the extension and the shrinking pressurization of the bones are realized; the utility model has the advantages of high safety, less needle hole quantity, the small probability of infection occurrence, less needle hole scar, simultaneously, the risk degree reduction of the latent lesion for blood vessels and nerves, the big adjustable range of the compression or the prolongation for the fracture end, good effective adaptability, the difficult occurrence of the angulation and the side deformity of the fracture end, high operation success ratio, simple structure, small volume, easy operation, convenient carrying and kindly acceptance by patients.
Description
Technical field
This utility model relates to the apparatus that the human body long bone is carried out Surgery Treatment, specifically, relates to a kind of socket joint type bone external fixator that the human body long bone is carried out external fixation and extend longitudinally and pressurization.
Background technology
The development of bone external fixator and the history of using existing more than 100 year are mainly used in the not heightening with cosmetology art etc. of the fixing and rising in recent years for the treatment of, the severe open fracture of rectification, the Bone nonunion of isometric deformity of human limb long bone.The version of bone external fixator mainly contains loopful formula bone external fixator, Profix bone external fixator at present abroad.Domestic semi-ring slot type bone external fixator, the hook slot type bone external fixator of mainly containing.The common shortcoming of these bone external fixators is: adopt many planes spininess to fix, increased and infected the probability that takes place, and spininess hole scar affects the attractive in appearance of limbs; The risk height of latent lesion blood vessel, nerve; But the amplitude of accommodation that prolongs and compress is little, so that idicatio limits to relatively; Angulation and side deformity easily take place in fracture end, and mortality is relatively higher; Complex structure, operation easier is big, needs specialized skills; Volume is bigger, carries inconvenience, and patient does not take like a shot etc.
Summary of the invention
Not high, the effective adaptability of security reliability that existing bone external fixator exists is bad, structure is complicated, operate and carry inconvenient problem in order to solve, the purpose of this utility model is that a kind of security reliability height, effective adaptability good, simple in structure and operation and socket joint type bone external fixator easy to carry are provided.
Solution of the present utility model is as follows.It is made of with the left connection cross bar that this two secondary regulating arm is coupled together and right connection cross bar the identical regulating arm of two auxiliary structures, wherein the structure of each secondary regulating arm is: the pressing plate with a strip, pressing plate from the middle part left, right two ends offer respectively left skidway hole and the right skidway hole of strip, also have two left silk braid bars that parallel with pressing plate and right silk braid bar, on the inner lateral surface of left silk braid bar and right silk braid bar, be fixed with respectively left pillar and the right pillar perpendicular with left silk braid bar and right silk braid bar, in the left skidway hole of pressing plate and right skidway hole, be equipped with respectively the tight screw of the Zola who is crimped on nose end and right stretching screw, one end of the tight screw of Zola and right stretching screw offers rotation application of force patchhole radially, the other end then is screwed in respectively in the screw of offering vertically from the end of left pillar and right pillar, thereby left pillar and right pillar are linked together together with left silk braid bar and right silk braid bar and pressing plate tension, between left silk braid bar and right silk braid bar, be provided with left and right sides screw mandrel, the middle part of this left and right sides screw mandrel offers rotation application of force patchhole radially, be processed with respectively each other opposite two sections screw threads and form left screw mandrel and right screw mandrel of hand of spiral to two ends from the middle part of left and right sides screw mandrel, this left screw mandrel and right screw mandrel are screwed on left silk braid bar and the right silk braid bar in the screw of offering vertically from the inner suitablely, also be connected with a location nut on left screw mandrel or the right screw mandrel, the outer end of left silk braid bar and right silk braid bar is connected with respectively left leg and the right leg that is short bar shape, left leg and right leg adopt the semicolumn body to match with the junction of left silk braid bar and right silk braid bar respectively, and with attachment screw pass two on the semicolumn body screw and form dismountable being fixedly connected with, on left leg and right leg, offer respectively cross bar patchhole radially, and also offer respectively and the perpendicular screw fixed hole that is communicated with of cross bar patchhole, and in this screw fixed hole, all be connected with the cross bar hold-down screw; Be inserted with respectively same left connection cross bar and be connected a right connection cross bar in the cross bar patchhole of leg with being connected at the left leg of two secondary regulating arms, and with corresponding cross bar hold-down screw respectively with left connection cross bar with to be connected the connection cross bar fixing tight, left connection cross bar be connected an end of connection cross bar and all be processed with screw thread.
This utility model with said structure, its two secondary regulating arm is by a left side, left side on the right leg, the right cross bar that connects links into an integrated entity, the common plane stability structure of forming a very firm and scalable adjusting, one of its function be can be used to reset fixing, promptly hold with the human fracture by its connection cross bar in use and link to each other, the plane stability of this structure has restricted fracture end the front and back displacement has taken place, angulation displacement and rotation displacement, the threaded portion and the bone photo that connect cross bar connect, the gripping effect that it produced can limit fracture end inside and outside displacement and angulation deformity take place, and keeps bone and tears resetting of end and effectively fixing open; Two of its function is to prolong and pressurization, because it connects by connecting cross bar and bone photo, again can be by the left and right sides screw mandrel application of force on the two secondary regulating arms is rotated adjusting, thereby produce flexible strength, make the left side of two secondary regulating arms, a right silk braid bar and a left side, right pillar is by the left side after unclamping, right stretching screw is the left side on the pressing plate respectively, right skidway hole produces a left side, right displacement, again by respectively with a left side, the left side that right silk braid bar links to each other, right leg and respectively with a left side, the left side that right leg links to each other, the right cross bar that connects, contractility is transmitted to fracture end, make fracture end produce telescopic displacement, thereby realize that bone prolongs and the contraction pressurization.The effect that is located at the setscrew nut on the screw mandrel of the left and right sides is, when in case the left and right sides screw mandrel application of force be rotated regulate and after the position determined, just but this setscrew nut of turn is adjacent to mutually with place one side's the left silk braid bar or the inner face of right silk braid bar, preventing producing axial displacement between left and right sides screw mandrel and the left and right silk braid bar, thereby the plane stability structure that this utility model constitutes is played the effect of strong fix.
The beneficial effects of the utility model are, because two secondary regulating arms are connected into the plane stability structure of a very firm and scalable adjusting by two connection cross bars, so its security reliability height, complication is few, mainly be to have reduced pin hole quantity, make the probability that takes place to infect greatly descend, the pin hole cicatrix reduces simultaneously, limbs influence attractive in appearance is also reduced thereupon, and blood vessel and neural latent lesion risk are reduced; Its right side, right leg are embedded in the left and right skidway hole of strip of pressing plate by left and right silk braid bar and left and right pillar and left and right stretching screw respectively, the scalable amplitude that makes left and right connection cross bar compress fracture end or prolong is big, and effectively subject range increases; Fracture end is difficult for into angle and side deformity, and success rate of operation is higher; Structure is comparatively simple, and easy operating uses; Volume is less and be easy to carry, and patient takes like a shot.
Description of drawings
Fig. 1 is the front view of a kind of concrete structure embodiment of this utility model;
Fig. 2 is that the A of a single secondary regulating arm in Fig. 1 this utility model is to view;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is Fig. 1 user mode sketch map of the present utility model.
The specific embodiment
Referring to Fig. 1 to Fig. 3.The utility model embodiment is made of with the left connection cross bar 1 that this two secondary regulating arm is coupled together and right connection cross bar 2 the identical regulating arm of two auxiliary structures, wherein the structure of each secondary regulating arm is: the pressing plate 3 with a strip, pressing plate 3 from the middle part left, right two ends offer respectively left skidway hole 31 and the right skidway hole 32 of strip, also have two left silk braid bars 4 that parallel with pressing plate 3 and right silk braid bar 5, welding is fixed with left pillar 6 and the right pillar 7 perpendicular with left silk braid bar 4 and right silk braid bar 5 respectively on the lateral surface of left silk braid bar 4 and right silk braid bar 5 the inners, left skidway hole 31 and the right skidway hole 32 interior tight screw 8 of the Zola who is crimped on nose end and the right stretching screws 9 of being equipped with respectively at pressing plate 3, one end of the tight screw 8 of Zola and right stretching screw 9 offers respectively rotation application of force patchhole 81 and 91 radially, the other end then is screwed in respectively in the screw of offering vertically from the end of left pillar 6 and right pillar 7, thereby left pillar 6 and right pillar 7 are linked together with pressing plate 3 tensions together with left silk braid bar 4 and right silk braid bar 5, between left silk braid bar 4 and right silk braid bar 5, be provided with left and right sides screw mandrel 11, the middle part of this left and right sides screw mandrel 11 offer two in the space mutually perpendicular rotation application of force patchhole 111 and 112 radially, be processed with respectively each other opposite screw thread and form left screw mandrel 113 and right screw mandrel 114 of hand of spiral to two ends from the middle part of left and right sides screw mandrel 11, this left screw mandrel 113 and right screw mandrel 114 are screwed on left silk braid bar 4 and the right silk braid bar 5 in the screw 41 and 51 of offering vertically from the inner respectively suitablely, also be connected with a location nut 10 on the left screw mandrel 113, the outer end of left silk braid bar 4 and right silk braid bar 5 is connected with respectively left leg 12 and the right leg 13 that is short bar shape, left leg 12 and right leg 13 adopt semicolumn body 121 and 131 and 42 and 52 to match with the junction of left silk braid bar 4 and right silk braid bar 5 respectively, and pass respectively the screw on two semicolumn bodies 121 and 42 and 131 and 52 and form dismountable being fixedly connected with attachment screw 14 and 15, on left leg 12 and right leg 13, offer respectively cross bar patchhole 122 and 132 radially, and also offer respectively and cross bar patchhole 122 and the 132 difference perpendicular screw fixed holes that are communicated with 123 and 133, and in this screw fixed hole 123 and 133 interior cross bar hold-down screw 16 and 17 of being connected with respectively; The left leg 12 of two secondary regulating arms be connected the cross bar patchhole 122 of leg 13 and interiorly be inserted with respectively same left connection cross bar 1 and be connected connection cross bar 2 with being connected, and with corresponding cross bar hold-down screw 16 with are connected left connection cross bar 1 with to be connected connection cross bar 2 fixing tight, left connection cross bar 1 be connected an end of connection cross bar 2 and be processed with respectively screw thread 101 and 201.In Fig. 1 to Fig. 3, all members all can adopt medical material 1Cr8Ni9Ti to make.A left side connects cross bar 1 and is solid drive screw with the right cross bar 2 that is connected, and is advisable with long 100～140mm, diameter phi 5mm, flighted length 30～40mm.
Referring to Fig. 4, this figure is that this utility model is a kind of user mode sketch map of example with the shank shortened deformity.After in operation, blocking the tibiofibula of cripetura, insert tibial intramedullary nailing in pulp cavity, 18 liang of metaphysis of shin bone are respectively implanted left connection cross bar 1 and are connected connection cross bar 2, use earlier φ 4.5mm drill bit in shin bone 18 borings during implantation, be screwed into again a left side, right connection cross bar 1 and 2 the end of thread 101 and 201, require left, right connection cross bar 1 and 2 is parallel to each other and in shin bone 18 same on the axial plane, folding end far away and nearly folding end a left side, distance between the right connection cross bar 1 and 2 can not be less than the minimum range between regulating arm cross tube patchhole 122 and 132, can not be greater than its ultimate range.Left and right connection cross bar 1 and 2 is advisable to penetrate 1～2 screw thread of tibia 18 offside cortex, implants the back and connects two regulating arms and fixing with it.Need overtime, take off left and right stretching screw 8 and 9 and pressing plate 3, regulate, increase spacing between left and right silk braid bar 4 and 5 with the distance between the increase fracture end according to the hand of spiral of left and right sides screw mandrel 11.Prolong and load onto pressing plate 3 and left and right stretching screw 8 and 9 after complete.Repeat routinely above-mentioned prolongation method and regulate 11 prolongations of left and right sides screw mandrel until expection length.72 hours patients of postoperative can be with in bed the utility model to hold up and turn Go to ground activity, and the heavy burden activity of gaining in weight gradually.Postoperative 4-6 week can be with this utility model heavy burden walking according to fracture end more back situation, until the fracture end healing, dynamic observes stability of the present utility model and adjustment in time during the treatment.Left and right connection cross bar 1 and 2 and the contact skin place note the nursing protect from infection.Remove regulating arm and left and right connection cross bar 1 and 2, completed treatment overall process after the union.
Claims (2)
1, a kind of sleeving ectosteal fixer, it is characterized in that, it is made of with the left connection cross bar that this two secondary regulating arm is coupled together and right connection cross bar the identical regulating arm of two auxiliary structures, wherein the structure of each secondary regulating arm is: the pressing plate with a strip, pressing plate from the middle part left, right two ends offer respectively left skidway hole and the right skidway hole of strip, also have two left silk braid bars that parallel with pressing plate and right silk braid bar, on the inner lateral surface of left silk braid bar and right silk braid bar, be fixed with respectively left pillar and the right pillar perpendicular with left silk braid bar and right silk braid bar, in the left skidway hole of pressing plate and right skidway hole, be equipped with respectively the tight screw of the Zola who is crimped on nose end and right stretching screw, one end of the tight screw of Zola and right stretching screw offers rotation application of force patchhole radially, the other end then is screwed in respectively in the screw of offering vertically from the end of left pillar and right pillar, thereby left pillar and right pillar are linked together together with left silk braid bar and right silk braid bar and pressing plate tension, between left silk braid bar and right silk braid bar, be provided with left and right sides screw mandrel, the middle part of this left and right sides screw mandrel offers rotation application of force patchhole radially, be processed with respectively each other opposite two sections screw threads and form left screw mandrel and right screw mandrel of hand of spiral to two ends from the middle part of left and right sides screw mandrel, this left screw mandrel and right screw mandrel are screwed on left silk braid bar and the right silk braid bar in the screw of offering vertically from the inner suitablely, also be connected with a location nut on left screw mandrel or the right screw mandrel, the outer end of left silk braid bar and right silk braid bar is connected with respectively left leg and the right leg that is short bar shape, left leg and right leg adopt the semicolumn body to match with the junction of left silk braid bar and right silk braid bar respectively, and with attachment screw pass two on the semicolumn body screw and form dismountable being fixedly connected with, on left leg and right leg, offer respectively cross bar patchhole radially, and also offer respectively and the perpendicular screw fixed hole that is communicated with of cross bar patchhole, and in this screw fixed hole, all be connected with the cross bar hold-down screw; Be inserted with respectively same left connection cross bar and be connected a right connection cross bar in the cross bar patchhole of leg with being connected at the left leg of two secondary regulating arms, and with corresponding cross bar hold-down screw respectively with left connection cross bar with to be connected the connection cross bar fixing tight, left connection cross bar be connected an end of connection cross bar and all be processed with screw thread.
2, socket joint type bone external fixator according to claim 1 is characterized in that, the quantity of the rotation application of force patchhole that screw mandrel middle part in the left and right sides is offered is two and orthogonal in the space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520051472 CN2817745Y (en) | 2005-07-22 | 2005-07-22 | Sleeving ectosteal fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520051472 CN2817745Y (en) | 2005-07-22 | 2005-07-22 | Sleeving ectosteal fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2817745Y true CN2817745Y (en) | 2006-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520051472 Expired - Fee Related CN2817745Y (en) | 2005-07-22 | 2005-07-22 | Sleeving ectosteal fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2817745Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840241A (en) * | 2015-06-10 | 2015-08-19 | 哈尔滨邦美医疗科技有限公司 | Micro external fixator with two dynamically-adjustable arms |
| CN109464184A (en) * | 2019-01-15 | 2019-03-15 | 河南省中医院（河南中医药大学第二附属医院） | Limb long bone diaphysis fracture reduction device |
| CN109965959A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A kind of telescopic digital bone rehabilitation external fixing rack of adjustable size |
| CN117243676A (en) * | 2023-11-16 | 2023-12-19 | 山西谷枢医疗科技有限公司 | Bidirectional independent adjusting connecting rod mechanism for annular external fixing frame |
-
2005
- 2005-07-22 CN CN 200520051472 patent/CN2817745Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840241A (en) * | 2015-06-10 | 2015-08-19 | 哈尔滨邦美医疗科技有限公司 | Micro external fixator with two dynamically-adjustable arms |
| CN109464184A (en) * | 2019-01-15 | 2019-03-15 | 河南省中医院（河南中医药大学第二附属医院） | Limb long bone diaphysis fracture reduction device |
| CN109965959A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A kind of telescopic digital bone rehabilitation external fixing rack of adjustable size |
| CN109965959B (en) * | 2019-04-14 | 2024-03-26 | 浙江工业大学 | Size-adjustable telescopic digital skeleton rehabilitation external fixing frame |
| CN117243676A (en) * | 2023-11-16 | 2023-12-19 | 山西谷枢医疗科技有限公司 | Bidirectional independent adjusting connecting rod mechanism for annular external fixing frame |
| CN117243676B (en) * | 2023-11-16 | 2024-01-12 | 山西谷枢医疗科技有限公司 | Bidirectional independent adjusting connecting rod mechanism for annular external fixing frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060920 Termination date: 20090824 |