CN205307071U - Orthopaedic external fixing frame - Google Patents
Orthopaedic external fixing frame Download PDFInfo
- Publication number
- CN205307071U CN205307071U CN201521010456.2U CN201521010456U CN205307071U CN 205307071 U CN205307071 U CN 205307071U CN 201521010456 U CN201521010456 U CN 201521010456U CN 205307071 U CN205307071 U CN 205307071U
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- CN
- China
- Prior art keywords
- hole
- bulb
- nail
- bar
- bolt
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to an orthopaedic external fixing frame, including bracing piece, nail pole clamping mechanism and nail, nail pole clamping mechanism is equipped with the array, and every group mainly comprises U type clamp I, bulb handle, bolt. Bulb handle one end is equipped with the bulb, the centre is equipped with the neck, the other end is equipped with the taper thread hole, the taper thread hole is used for installing the nail, the U type presss from both sides I both sides wall tip inboard and is equipped with the ball socket, the ball socket is arranged in to the bulb, the bulb is equipped with the hole, the hole comprises two taper holes, the osculum butt joint macrostoma of two taper holes is outside, the U type presss from both sides I and has elasticity, establish to semicircle type thin wall its bottom, and inwards extend two bosss along its interior circular arc, be used for embracing the bracing piece, ball socket one side is equipped with the screw hole, the opposite side is equipped with the unthreaded hole, the bolt passes unthreaded hole and hole in proper order and revolves on the screw hole, the in -process of screwing at the bolt, semicircle type thin wall takes place at first to be out of shape that will to support the bar cramp tight, then the both sides wall that the U type pressed from both sides I produces the deformation with the bulb clamp tightly again, makes operation convenient, the clamp force is bigger, lock more reliably.
Description
Technical field
The utility model relates to orthopedic medical device field, especially a kind of orthopaedics external fixing rack.
Background technology
Existing orthopaedics external fixing rack, the universal orthopaedics extenal fixation device in the single side as disclosed in the patent No. 98221136.8, its basic structure comprises support bar, bulb handle and for connecting support bar and the fixture block of bulb handle, and is fixed on the nail of bulb handle one end. Every two fixture blocks are one group, and the one end often organizing fixture block is clipped on support bar, and the other end is clipped on the bulb of bulb handle, and centre is bolted fastening two fixture blocks. During operation the bone nail of fracture site both sides and bulb handle is fixing after, more suitably regulate each fixture block on support bar position and by after fastening to bulb handle and support bar, so that it may realize the replacement and fixation of fracture site both sides bone. Although the orthopaedics external fixing rack of said structure uses more convenient, but every two pieces of fixture block is one group, assembling more complicated and the clamping force of bulb is big not.
Summary of the invention
The utility model discloses a kind of orthopaedics external fixing rack, overcome above-mentioned defect. it mainly comprises support bar, the nail tight mechanism of bar cramp and nail, and the described tight mechanism of nail bar cramp is provided with array, and often group is primarily of U-shaped folder I, bulb handle, bolt composition. described nail rear end is provided with taper thread ailhead, front end is provided with bone thread nail bar, described bulb handle one end is provided with bulb, centre is provided with neck, the other end is provided with the taper thread hole of through side, described taper thread hole is for installing described nail, described U-shaped folder I is provided with two side, two side is provided with ball-and-socket inside end, described ball-and-socket inner face distance is greater than the radial overall dimension of described neck, described bulb is placed in described ball-and-socket, and described bulb handle can multi-direction swing, it is characterized in that: described bulb is provided with and interior hole in the same way, described taper thread hole, described interior hole is made up of two taper holes, the osculum docking of described two taper holes, big mouth is outside and reverse each other, described U-shaped folder I has elasticity, semi-circular thin-walled it is set to bottom it, and extend two boss along the two ends of its Inner arc respectively to interior, for embracing described support bar, described ball-and-socket side is provided with through threaded hole, another side is provided with through unthreaded hole, unthreaded hole described in described screw bolt passes and described interior hole are also threaded onto on described threaded hole, in the process that described bolt screws, first described semi-circular thin-walled occurs elasticity distortion to be clamped by described support bar, then U-shaped folder I two side produce again elasticity distortion bulb is clamped.In order to make the swing scope of described bulb handle expand as far as possible, the outer edge of described ball-and-socket is provided with chamfering.
As further improvement, the utility model a kind of orthopaedics external fixing rack is implemented to add the compound nail tight mechanism of bar cramp and composite supporting bar on the basis of mode at the first, described compound follows closely the tight mechanism of bar cramp primarily of U-shaped folder II, bulb handle, peach-shaped hole bolt, packing ring and nut composition, described U-shaped folder II is just by the threaded hole of a sidewall of described U-shaped folder I, change the unthreaded hole identical with another sidewall into, one end of described packing ring is provided with V-groove, the front end in the bar portion of described peach-shaped hole bolt is provided with screw rod, bolt head is provided with the peach-shaped hole of through sidewall, described composite supporting bar is placed in described peach-shaped hole, described screw rod is successively through described packing ring, described nut is also revolved in the interior hole of unthreaded hole and described bulb, described V-groove bandit is on described composite supporting bar, in the process screwing described nut, first described semi-circular thin-walled occurs elasticity distortion to be clamped by described support bar, then described U-shaped folder II two side produce again elasticity distortion bulb is clamped, peach-shaped hole coordinates tight for composite supporting bar cramp with described V-groove simultaneously. described composite supporting bar is provided with the nail tight mechanism of bar cramp and described nail, and this nail, from the other direction fix bone of bone, intersects composite solid fixed structure with the nail formation being fixed on support bar
A kind of orthopaedics external fixing rack of the utility model, structure is simple, easy to operate, utilizing bolt directly to be clamped by bulb through the method in hole in ball-and-socket and bulb, clamping force is bigger, locks more reliable, and by the structure mode of a screwing bolts or nut, lock support bar and fixing handle and composite supporting bar simultaneously, make operation faster, operating time can be shortened.
Accompanying drawing explanation
Fig. 1 is the first enforcement mode schematic diagram of a kind of orthopaedics external fixing rack of the utility model;
Fig. 2 is the structural representation of U-shaped folder I in Fig. 1;
Fig. 3 is the structural representation of bulb handle in Fig. 1;
Fig. 4 is the sectional view of Fig. 3;
Implement mode schematic diagram for the 2nd kind that Fig. 5 is a kind of orthopaedics external fixing rack of the utility model;
Fig. 6 is the structural representation of U-shaped folder II in Fig. 5;
Fig. 7 is the structural representation of peach-shaped hole bolt in Fig. 5;
Fig. 8 is the structural representation of Fig. 5 middle washer.
In accompanying drawing: 1 support bar, the 2 nail tight mechanisms of bar cramp, 3 nails, 4 compounds follow closely the tight mechanism of bar cramp, 5 composite supporting bars, 21U type folder I, 22 bulb handles, 23 bolts, 211 ball-and-sockets, 212 chamferings, 213 semi-circular thin-walleds, 214 boss, 215 threaded holes, 216 unthreaded holes, 217 sidewalls, 221 bulbs, 222 necks, 223 taper thread holes, in 224 hole, 41U type folder II, 42 peach-shaped hole bolts, 43 packing rings, 44 nuts, 421 peach-shaped holes, 431V type groove.
Embodiment
Below in conjunction with accompanying drawing, two kinds of enforcement modes of the utility model a kind of orthopaedics external fixing rack are done detailed explanation.
Fig. 1 to Fig. 4 shows the first enforcement mode of a kind of orthopaedics external fixing rack of the utility model, it mainly comprises support bar 1, the nail tight mechanism 2 of bar cramp and nail 3, the tight mechanism 2 of described nail bar cramp is provided with array, often group is primarily of U-shaped folder I21, bulb handle 22, bolt 23 forms, described nail 3 rear end is provided with taper thread ailhead, front end is provided with bone thread nail bar, described bulb handle 22 one end is provided with bulb 221, centre is provided with neck 222, the other end is provided with the taper thread hole 223 of through side, described taper thread hole 223 is for installing described nail 3, described U-shaped folder I21 is provided with two side 217, two side 217 is provided with ball-and-socket 211 inside end, described ball-and-socket 211 inner face distance is greater than the radial overall dimension of described neck 222, described bulb 221 is placed in described ball-and-socket 211, and described bulb handle 22 can multi-direction swing, it is characterized in that: described bulb 221 is provided with and interior hole 224 in the same way, described taper thread hole 223, described interior hole 224 is made up of two taper holes, the osculum docking of described two taper holes, big mouth is outside and reverse each other, described U-shaped folder I21 has elasticity, semi-circular thin-walled 213 it is set to bottom it, and extend two boss 214 along the two ends of its Inner arc respectively to interior, for embracing described support bar 1, described ball-and-socket 211 side is provided with through threaded hole 215, another side is provided with through unthreaded hole 216, described bolt 23 successively through described unthreaded hole 216 and described interior hole 224 and be threaded onto on described threaded hole 215, in the process that described bolt 23 screws, first described semi-circular thin-walled 213 occurs elasticity distortion to be clamped by described support bar 1, then U-shaped folder I21 two side 217 produce again elasticity distortion bulb 221 is clamped.In order to make the swing scope of described bulb handle 22 expand as far as possible, the described outer edge of ball-and-socket 211 is provided with chamfering 212.
Fig. 3 to Fig. 8 shows the 2nd kind of enforcement mode of a kind of orthopaedics external fixing rack of the utility model, this orthopaedics external fixing rack is the improvement that the first implements mode, its main structure adds the compound nail tight mechanism 4 of bar cramp and composite supporting bar 5 on the basis that the first implements mode, described compound follows closely the tight mechanism of bar cramp 4 primarily of U-shaped folder II41, bulb handle 22, peach-shaped hole bolt 42, packing ring 43 and nut 44 form, described U-shaped folder II41 is just by the threaded hole 215 of a sidewall of described U-shaped folder I21, change the unthreaded hole 216 identical with another sidewall into, one end of described packing ring 43 is provided with V-groove 431, the front end in the bar portion of described peach-shaped hole bolt 42 is provided with screw rod, its head is provided with the peach-shaped hole 421 of through sidewall, described composite supporting bar 5 is placed in described peach-shaped hole 421, described screw rod is successively through described packing ring 43, described nut 44 is also revolved in the interior hole 224 of unthreaded hole 216 and described bulb 221, described V-groove 435 bandit is on described composite supporting bar 5, in the process screwing described nut 44, first described semi-circular thin-walled 213 occurs elasticity distortion to be clamped by described support bar 1, then described U-shaped folder II41 two side 217 produce again elasticity distortion bulb 221 is clamped, simultaneously peach-shaped hole 421 coordinates with described V-groove 431 and is clamped by composite supporting bar 5. described composite supporting bar 5 is provided with the nail tight mechanism of bar cramp 2 and described nail 3, and this nail 3, from the other direction fix bone of bone, is formed with the nail 3 being fixed on support bar 1 and intersects composite solid fixed structure.
Claims (3)
1. an orthopaedics external fixing rack, mainly comprise support bar (1), the nail tight mechanism of bar cramp (2) and nail (3), the described tight mechanism of nail bar cramp (2) is provided with array, often group is primarily of U-shaped folder I (21), bulb handle (22), bolt (23) forms, described nail (3) rear end is provided with taper thread ailhead, front end is provided with bone thread nail bar, described bulb handle (22) one end is provided with bulb (221), centre is provided with neck (222), the other end is provided with the taper thread hole (223) of through side, described taper thread hole (223) is for installing described nail (3), described U-shaped folder I (21) is provided with two side (217), ball-and-socket (211) it is provided with inside two side (217) end, described bulb (221) is placed in described ball-and-socket (211), and described bulb handle (22) can multi-direction swing, it is characterized in that: described bulb (221) is provided with and described taper thread hole (223) interior hole (224) in the same way, described interior hole (224) is made up of two taper holes, the osculum docking of described two taper holes, big mouth is outside and reverse each other, described U-shaped folder I (21) has elasticity, semi-circular thin-walled (213) it is set to bottom it, and extend two boss (214) along the two ends of its Inner arc respectively to interior, for embracing described support bar (1), described ball-and-socket (211) side is provided with through threaded hole (215), another side is provided with through unthreaded hole (216), described bolt (23) successively through described unthreaded hole (216) and described interior hole (224) and be threaded onto on described threaded hole (215), in the process that described bolt (23) screws, described semi-circular thin-walled (213) first occurs elasticity distortion to be clamped by described support bar (1), then U-shaped folder I (21) two side (217) produce again elasticity distortion bulb (221) is clamped.
2. a kind of orthopaedics external fixing rack according to claim 1, it is characterized in that: this orthopaedics external fixing rack also comprises the compound nail tight mechanism of bar cramp (4) and composite supporting bar (5), the described compound nail tight mechanism of bar cramp (4) is primarily of U-shaped folder II (41), bulb handle (22), peach-shaped hole bolt (42), packing ring (43) and nut (44) composition, described U-shaped folder II (41) is just by the threaded hole (215) of a sidewall of described U-shaped folder I (21), change the unthreaded hole (216) identical with another sidewall into, one end of described packing ring (43) is provided with V-groove (431), the front end in the bar portion of described peach-shaped hole bolt (42) is provided with the peach-shaped hole (421) that screw rod bolt head is provided with through sidewall, described composite supporting bar (5) is placed in described peach-shaped hole (421), described screw rod is successively through described packing ring (43), described nut (44) is also revolved in the interior hole (224) of unthreaded hole (216) and described bulb (221), described V-groove (431) bandit is on described composite supporting bar (5), in the process screwing described nut (44), described semi-circular thin-walled (213) first occurs elasticity distortion to be clamped by described support bar (1), then described U-shaped folder II (41) two side (217) produce again elasticity distortion bulb (221) is clamped, simultaneously peach-shaped hole (421) coordinate with described V-groove (431) and are clamped by composite supporting bar (5), described composite supporting bar (5) is provided with the nail tight mechanism of bar cramp (2) and described nail (3), this nail (3) is from the other direction fix bone of bone, formed with the nail (3) being fixed on support bar (1) and intersect composite solid fixed structure.
3. a kind of orthopaedics external fixing rack according to claim 1 and 2, it is characterised in that: described ball-and-socket (211) outer edge is provided with chamfering (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521010456.2U CN205307071U (en) | 2015-12-03 | 2015-12-03 | Orthopaedic external fixing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521010456.2U CN205307071U (en) | 2015-12-03 | 2015-12-03 | Orthopaedic external fixing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205307071U true CN205307071U (en) | 2016-06-15 |
Family
ID=56315248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521010456.2U Withdrawn - After Issue CN205307071U (en) | 2015-12-03 | 2015-12-03 | Orthopaedic external fixing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205307071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411659A (en) * | 2015-12-03 | 2016-03-23 | 山东航维骨科医疗器械股份有限公司 | External fixator for orthopaedics department |
-
2015
- 2015-12-03 CN CN201521010456.2U patent/CN205307071U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411659A (en) * | 2015-12-03 | 2016-03-23 | 山东航维骨科医疗器械股份有限公司 | External fixator for orthopaedics department |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20170707 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20170707 |