CN204744365U - External fixation frame can multi -direction multi -angle adjusted anchor clamps of threading a needle - Google Patents
External fixation frame can multi -direction multi -angle adjusted anchor clamps of threading a needle Download PDFInfo
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- CN204744365U CN204744365U CN201520292107.8U CN201520292107U CN204744365U CN 204744365 U CN204744365 U CN 204744365U CN 201520292107 U CN201520292107 U CN 201520292107U CN 204744365 U CN204744365 U CN 204744365U
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- slide bar
- drop shot
- kirschner wire
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Abstract
The utility model discloses an external fixation frame can multi -direction multi -angle adjusted anchor clamps of threading a needle, including upper and lower slide bar, upper and lower slider, controlling slide bar and ke shi needle clamping device, upper and lower slide bar is equipped with the screw hole that runs through and adjusts the locking bolt through upper and lower slide bar and fix on the external fixation frame for the cross section is square cuboid slide bar on the upper and lower slide bar, sliding block suit is on upper and lower slide bar from top to bottom, being equipped with the through -hole of two ascending mutually orthogonals of horizontal wind on the upper and lower slider, controlling the slide bar and pass one of them through -hole, the both ends of another through -hole are equipped with respectively controls slide bar regulation fixing bolt and upper and lower slider regulation locking bolt. The utility model discloses have the regulation of no pole position and arbitrary angle, can finely tune, successfully overcome the hole site blind area of the upper and lower immobilization in the external fixation frame, overcome the follow -up ke shi needle and the problem of fixed loop nonparallel from top to bottom, can realize that the regulation of four degrees of freedom on the keshi needle is fixed.
Description
Technical field
This utility model relates to medical instruments field, in particular, relate to correct for Orthopeadic Surgery, a kind of of the reduction of the fracture can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle.
Background technology
When Clinical Surgery carries out fractures, the use of fixture is essential, and extenal fixation is mainly fixed knochenbruch by machinery outside human body, and can carry out minimally-invasive treatment, conventional external fixer is mainly Ilizarov external fixator.Ilizarov technology adopts the thin Kirschner wire of many planes to run through limbs and osseous tissue, and connects loop fasteners.Taylor doctor improves ILizarov external fixation system, six telescopic extension rods are connected on near-end and distal loop obliquely, and can rotate freely at junction point place, as long as regulate the length of a wherein extension rod, a ring will change position by another ring relatively.Taylor's frame is the six-degree-of-freedom parallel connection mechanism of the Stewart platform of standard, has that rigidity is large, bearing capacity is strong, site error does not add up, the feature such as high stability, high accuracy.General first by Kirschner wire fixation and the suitable fracture of human body in operation process, to thread a needle fixture fixation Kel's needle, Ilizarov external fixator and Taylor's frame all adopt fixture that the position, certain hole on upper and lower retainer ring fixedly threads a needle, and the ring up and down reaching human fracture and external fixer is mutually permanently connected.But in actual operation operation middle punch position asymmetric, perforation angle and non-fully is parallel to corresponding retainer ring, in operation process follow-up squeeze into the Kirschner wire of human body angle or position there is error, the position of the upper and lower retainer ring of corresponding external fixer is not in corresponding position, hole, because on the retainer ring up and down of external fixer, position, position, hole is certain, there is certain blind area, very little error will bring very large misery to patient.For when external fixer being fixed on bone with Kirschner wire, because the height of surgical technical merit is different, locking pin be fixed on the same side on bone and non-fully is parallel, be unfavorable for the installation of external fixer, bring difficulty to operation.
Utility model content
The purpose of this utility model is to overcome existing external fixer and threads a needle the deficiency of fixture, provide and a kind ofly can improve operation safety line, reduce a kind of of operating difficulty and can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle, fine setting can be carried out fix, overcome blind area, position, hole and the not parallel problem of Kirschner wire, not only can improve accuracy and the safety of the clinical reduction of the fracture, and alleviate the operation strength of clinician, greatly improve the success rate of operation.
This utility model is achieved through the following technical solutions above-mentioned purpose: a kind ofly can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle, comprise drop shot, upper sliding block, left and right slide bar and Kirschner wire clamping device, described upper drop shot is cross section is foursquare cuboid slide bar, described upper drop shot is provided with perpendicular to cross-sectional direction and runs through the screwed hole of upper drop shot, clamping screw is regulated to be fixed on external fixer by upper drop shot bottom described upper drop shot, described upper drop shot can regulate clamping screw to regulate described upper drop shot relative to the angle of external fixer by upper drop shot, described upper and lower slide block set is contained on described upper drop shot and also can slides up and down along upper drop shot, described upper sliding block is provided with the mutually orthogonal through hole of on horizontal wind direction two, described left and right slide bar is through one of them through hole, and the left and right slide bar that the two ends of another through hole described are respectively equipped with for fixing left and right slide bar regulates set bolt and regulates clamping screw for the upper sliding block be fixed on by upper sliding block on upper drop shot.
Further, described Kirschner wire clamping device comprises sleeve and Kirschner wire regulates clamping screw, and cartridges sides connects one end of left and right slide bar, and Kirschner wire passes described sleeve and regulates clamping screw to carry out adjustment by Kirschner wire and fixes.
Further, described Kirschner wire clamping device comprises V-type clamping slot device and Kirschner wire adjusting lock nut, one end of left and right slide bar is provided with the external screw thread matched with described Kirschner wire adjusting lock nut, and left and right slide bar passes described V-type clamping slot device and clamps Kirschner wire by Kirschner wire adjusting lock nut.
The beneficial effects of the utility model are: this utility model has electrodeless position and regulates at any angle, can finely tune, successfully overcome the blind area, position, upper and lower immobilized hole in external fixer, overcome follow-up Kirschner wire and the uneven problem of upper and lower retainer ring, the adjustment that can realize Kirschner wire four-degree-of-freedom is fixed, that Kirschner wire can insert osseous tissue with arbitrarily angled and position, improve accuracy and the safety of the clinical reduction of the fracture, and alleviate the operation strength of clinician, greatly improve the success rate of operation.
Accompanying drawing explanation
To be that this utility model is a kind of can to thread a needle the structural representation of fixture embodiment one by the external fixer that regulates of multi-direction multi-angle Fig. 1.
To be that this utility model is a kind of can to thread a needle the structural representation of fixture embodiment two by the external fixer that regulates of multi-direction multi-angle Fig. 2.
Fig. 3 is Taylor's rack device and fixture of threading a needle composition schematic diagram in prior art.
Fig. 4 is that lower retainer ring and embodiment one, embodiment two assembly schematic diagram.
In figure, thread a needle retainer ring under fixture, 2-Kirschner wire, 3-connecting rod, 4-, the upper retainer ring of 5-, the upper drop shot of 6-, the upper sliding block of 7-, about 8-slide bar, the upper sliding block of 9-of 1-tradition regulates clamping screw, about 10-slide bar to regulate the upper drop shot of set bolt, 11-to regulate clamping screw, 12-sleeve, 13-Kirschner wire adjustment clamping screw, 14-V type clamping slot device, 15-Kirschner wire adjusting lock nut.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 3, in prior art, Taylor's rack device and fixture of threading a needle comprise tradition and to thread a needle fixture 1, connecting rod 3, lower retainer ring 4 and upper retainer ring 5, lower retainer ring 4 is connected with the connecting rod 3 of upper retainer ring 5 by six roots of sensation parallel connection, tradition fixture 1 of threading a needle is fixed on retainer ring 4 and lower retainer ring 5, and Kirschner wire 2 is fixed on tradition and threads a needle on fixture 1.
Embodiment one:
As shown in Figure 1, a kind ofly can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle, comprise drop shot 6, upper sliding block 7, left and right slide bar 8 and Kirschner wire clamping device, described upper drop shot 6 for cross section be foursquare cuboid slide bar, described upper drop shot 6 is provided with perpendicular to cross-sectional direction and runs through the screwed hole of upper drop shot 6, clamping screw 11 is regulated to be fixed on external fixer by upper drop shot bottom described upper drop shot 6, described upper drop shot 6 can regulate clamping screw 11 to regulate described upper drop shot 6 relative to the angle of external fixer by upper drop shot, described upper sliding block 7 is sleeved on described upper drop shot 6 and also can slides up and down along upper drop shot 6, described upper sliding block 7 is provided with the mutually orthogonal through hole of on horizontal wind direction two, described left and right slide bar 8 is through one of them through hole, and the left and right slide bar that the two ends of another through hole described are respectively equipped with for fixing left and right slide bar 8 regulates set bolt 10 and regulates clamping screw 9 for the upper sliding block be fixed on by upper sliding block 7 on upper drop shot 6.
Described Kirschner wire clamping device comprises sleeve 12 and Kirschner wire regulates clamping screw 13, one end of connection left and right, sleeve 12 side slide bar 8, and Kirschner wire 2 passes described sleeve 12 and regulates clamping screw 13 to carry out adjustment by Kirschner wire and fixes.
Embodiment two:
As described in Figure 2, a kind ofly can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle, comprise drop shot 6, upper sliding block 7, left and right slide bar 8 and Kirschner wire clamping device, described upper drop shot 6 for cross section be foursquare cuboid slide bar, described upper drop shot 6 is provided with perpendicular to cross-sectional direction and runs through the screwed hole of upper drop shot 6, clamping screw 11 is regulated to be fixed on external fixer by upper drop shot bottom described upper drop shot 6, described upper drop shot 6 can regulate clamping screw 11 to regulate described upper drop shot 6 relative to the angle of external fixer by upper drop shot, described upper sliding block 7 is sleeved on described upper drop shot 6 and also can slides up and down along upper drop shot 6, described upper sliding block 7 is provided with the mutually orthogonal through hole of on horizontal wind direction two, described left and right slide bar 8 is through one of them through hole, and the left and right slide bar that the two ends of another through hole described are respectively equipped with for fixing left and right slide bar 8 regulates set bolt 10 and regulates clamping screw 9 for the upper sliding block be fixed on by upper sliding block 7 on upper drop shot 6.
Described Kirschner wire clamping device comprises V-type clamping slot device 14 and Kirschner wire adjusting lock nut 15, one end of left and right slide bar 8 is provided with the external screw thread matched with described Kirschner wire adjusting lock nut 15, and left and right slide bar 8 passes described V-type clamping slot device 14 and clamps Kirschner wire 2 by Kirschner wire adjusting lock nut 15.
In the process of concrete clamping, by regulating upper sliding block to regulate clamping screw 9 to adjust upper sliding block 7 relative to the position of upper drop shot, make Kirschner wire 2 can carry out the movement of above-below direction; By regulating left and right slide bar to regulate set bolt 10 to adjust the position of left and right slide block 8 relative to upper sliding block, make the movement that Kirschner wire 2 can carry out in horizontal direction; By regulating upper drop shot to regulate clamping screw 11 to adjust the position of upper drop shot 6 relative to external fixer, make the rotation that Kirschner wire 2 can carry out in horizontal direction; In the process of adjustment, the position of related elements or the adjustment of angle can be carried out by suitable adjustment, realize the electrodeless adjustment of Kirschner wire position and regulate at any angle.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of this utility model patent.
Claims (3)
1. can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle for one kind, it is characterized in that: comprise drop shot, upper sliding block, left and right slide bar and Kirschner wire clamping device, described upper drop shot is cross section is foursquare cuboid slide bar, described upper drop shot is provided with perpendicular to cross-sectional direction and runs through the screwed hole of upper drop shot, regulate clamping screw to be fixed on external fixer by upper drop shot bottom described upper drop shot, described upper drop shot can regulate clamping screw to regulate described upper drop shot relative to the angle of external fixer by upper drop shot; Described upper and lower slide block set is contained on described upper drop shot and also can slides up and down along upper drop shot; Described upper sliding block is provided with the mutually orthogonal through hole of on horizontal wind direction two, described left and right slide bar is through one of them through hole, and the left and right slide bar that the two ends of another through hole described are respectively equipped with for fixing left and right slide bar regulates set bolt and regulates clamping screw for the upper sliding block be fixed on by upper sliding block on upper drop shot.
2. according to claim 1ly a kind ofly can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle, it is characterized in that: described Kirschner wire clamping device comprises sleeve and Kirschner wire regulates clamping screw, cartridges sides connects one end of left and right slide bar, and Kirschner wire passes described sleeve and regulates clamping screw to carry out adjustment by Kirschner wire and fixes.
3. according to claim 1ly a kind ofly can to thread a needle fixture by the external fixer that regulates of multi-direction multi-angle, it is characterized in that: described Kirschner wire clamping device comprises V-type clamping slot device and Kirschner wire adjusting lock nut, one end of left and right slide bar is provided with the external screw thread matched with described Kirschner wire adjusting lock nut, and left and right slide bar passes described V-type clamping slot device and clamps Kirschner wire by Kirschner wire adjusting lock nut.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292107.8U CN204744365U (en) | 2015-05-07 | 2015-05-07 | External fixation frame can multi -direction multi -angle adjusted anchor clamps of threading a needle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520292107.8U CN204744365U (en) | 2015-05-07 | 2015-05-07 | External fixation frame can multi -direction multi -angle adjusted anchor clamps of threading a needle |
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| CN204744365U true CN204744365U (en) | 2015-11-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104814779A (en) * | 2015-05-07 | 2015-08-05 | 浙江工业大学 | External fixation device needle threading fixture capable of being adjusted in multiple directions and at multiple angles |
| CN106037905A (en) * | 2016-06-27 | 2016-10-26 | 重庆富沃思医疗器械有限公司 | Skull fixing sleeve assembly for adjustable fixing brace |
| CN109730730A (en) * | 2019-03-18 | 2019-05-10 | 谢红波 | A kind of novel children ophthalmic adjustable type eye speculum |
| CN111956311A (en) * | 2020-08-14 | 2020-11-20 | 中国人民解放军联勤保障部队第九二0医院 | Bridge type external fixing system for fracture reduction |
-
2015
- 2015-05-07 CN CN201520292107.8U patent/CN204744365U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104814779A (en) * | 2015-05-07 | 2015-08-05 | 浙江工业大学 | External fixation device needle threading fixture capable of being adjusted in multiple directions and at multiple angles |
| CN104814779B (en) * | 2015-05-07 | 2017-01-18 | 浙江工业大学 | External fixation device needle threading fixture capable of being adjusted in multiple directions and at multiple angles |
| CN106037905A (en) * | 2016-06-27 | 2016-10-26 | 重庆富沃思医疗器械有限公司 | Skull fixing sleeve assembly for adjustable fixing brace |
| CN109730730A (en) * | 2019-03-18 | 2019-05-10 | 谢红波 | A kind of novel children ophthalmic adjustable type eye speculum |
| CN111956311A (en) * | 2020-08-14 | 2020-11-20 | 中国人民解放军联勤保障部队第九二0医院 | Bridge type external fixing system for fracture reduction |
| CN111956311B (en) * | 2020-08-14 | 2022-06-28 | 中国人民解放军联勤保障部队第九二〇医院 | Bridge type external fixing system for fracture reduction |
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