CN207654220U - A kind of composite bone fracture restorer - Google Patents
A kind of composite bone fracture restorer Download PDFInfo
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- CN207654220U CN207654220U CN201720554799.8U CN201720554799U CN207654220U CN 207654220 U CN207654220 U CN 207654220U CN 201720554799 U CN201720554799 U CN 201720554799U CN 207654220 U CN207654220 U CN 207654220U
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Abstract
The utility model is related to reduction of the fracture device technical fields, specially a kind of composite bone fracture restorer, the left side thread in inner cavity of the nut is connected with dextrorotation screw rod, the right side thread in inner cavity of nut is connected with derotation screw rod, it is plugged with compressor arm in second through-hole, the upper and lower ends of first briquetting are respectively connected with convex block, and side of the convex block far from the second through-hole is connected with third straight-bar, and first briquetting and the second briquetting are located at the both sides of Kirschner wire.This composite bone fracture restorer can carry out Optional assembling and dismounting as needed.Different assembly and disassembly can be carried out as needed, convenient for the reset of fracture, can be applied to long bone and extremities joint surrounding fracture resets, the reset of long bone straight line pattern may be implemented by the combination between different components and fracture around joint right angle mode resets；It is simple to operation not need Special Training.Element Design is simply easy to use, and need not carry out special training；Low cost is suitable for basic hospital.
Description
Technical field
The utility model is related to reduction of the fracture device technical field, specially a kind of composite bone fracture restorer.
Background technology
In the prior art, two classes are generally divided into for fracture fixation reset, one kind is interior fixation, and another kind of is outer solid
It is fixed, it is inside fixed with steel plate and intramedullary needle etc., Plate internal fixiation is larger to soft tissue injury, needs two operations, the pain of patient
Greatly, intramedullary needle, which is fixed, destroys pulp cavity inner membrance blood fortune, and anti-rotation, bend resistance power are poor, are unfavorable for reduction of the fracture healing, are fixed with folder outside
Plate is fixed, gypsum is fixed and outer fixation etc. of threading a needle, and Boards wall is not secured enough, ties up cumbersome, and manageability, does not influence soft group
Blood fortune is knitted, caused complication is more, and it is not firm that gypsum is fixed, and influence closes on joint motion, and the outer single arm type that is fixed with of threading a needle is consolidated
Fixed and ring type fixation etc., single arm type fixes anti-axial action force difference, though ring type fixes fixation, volume is larger, is not easy to grasp
Make, it is heavy, it is unfavorable for patient's rest, such as Patent No. 87210403.6, it is mainly by holding needle adjustment frame, needle stand, needle folder, angle
Compositions, the fixing reductor such as degree adjustable plate and adjustment arm substantially overcome single arm type fixing reductor and ring type fixed reset
The shortcomings that device, but still there are the following problems, complicated, requirement on machining accuracy is high, thus cost of manufacture is high；It can be used only in length
On bone, it cannot be subject to certain restrictions according to the random dismountable of the state of an illness, the use of privileged sites；It is cumbersome, it is not easy to control,
Professional training need to be carried out to doctor；Volume is larger, heavy, influences patient's rest.Patent application publication number for another example
CN101847182A, the entitled long bone based on six-degree-of-freedom parallel connection mechanism virtually with the patent of real resetting registration method
Reduction of the fracture machine people's structure disclosed in application, which uses six controllable electric push-pull rods, and uses traditional rigidity
Universal joint connects controllable electric push-pull rod and upper and lower annulus, when carrying out Osteological reset, if fracture both ends have staggeredly
Situation, rigid universal joint are easy to make fracture stress is excessive to cause secondary damage, increase the pain of patient, and delay fracture is cured
It closes, in some instances it may even be possible to cause universal joint or electric push rod to damage, influence operation and be smoothed out, for this purpose, it is proposed that a kind of combination
Formula reduction of the fracture device.
Invention content
The purpose of this utility model is to provide a kind of composite bone fracture restorers, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：
The quantity of a kind of composite bone fracture restorer, including nut and the second straight-bar, nut is four, and in matrix point
The left side thread in inner cavity of cloth, the nut is connected with dextrorotation screw rod, and the right side thread in inner cavity of nut is connected with derotation screw rod, described
Dextrorotation screw rod and the opposite one end of derotation screw rod offer the first groove, and the first straight-bar is plugged in first groove, described
The other end of first straight-bar is connected with steering ball, and steering ball slidably connects arc chute, and first straight-bar is close to steering ball
One end be socketed with brake cap, the other end of the brake cap and the side wall of arc chute are socketed, and the inner wall of the brake cap leans on
One end of nearly steering ball is connected with trig loop, and the side wall of the other end and rotating bar of the arc chute far from the first straight-bar connects
It connecing, is respectively connected with the first rostellum in the middle part of the both ends of the rotating bar, one end of second straight-bar offers the second groove, and second
The other end of straight-bar is connected with the second rostellum, and first rostellum is connected in the second groove, two neighboring second straight-bar
It is connected with each other by right angle connecting rod；
The one end of the rotating bar far from arc chute is connected with connecting plate, and it is logical that the connecting plate offers multiple first
Hole, corresponding two first through hole are plugged with Kirschner wire on opposite two connecting plates, and the connecting plate is far from rotation
One end side wall of bar offers the second through-hole corresponding with first through hole, and the second through-hole is connected with first through hole, described
It is equipped with the first briquetting close to one end of the second through-hole in first through hole, and the first briquetting offers cunning close to one end of the second through-hole
Slot is plugged with compressor arm in second through-hole, and one end of the compressor arm is located at the outside of connecting plate, the other end of compressor arm
It reaching in first through hole across the second through-hole and is slidably connected with sliding slot, the upper and lower ends of first briquetting are respectively connected with convex block,
Side of the convex block far from the second through-hole is connected with third straight-bar, and the other end of the third straight-bar is hinged with hinge bar, institute
The fixed link being rotatably connected in the middle part of hinge bar on first through hole side wall is stated, the other end of the hinge bar is hinged with
The other end of compression bar, two compression bars is connected with the second briquetting, and first briquetting and the second briquetting are located at the two of Kirschner wire
Side.
Preferably, the dextrorotation screw rod and the opposite one end of derotation screw rod are respectively connected with elastomeric pad.
Preferably, the side wall of the brake cap and arc chute socket mode is socketed for screw thread.
Preferably, the trig loop is in convex structure close to one end of steering ball, and the first anti-skid chequer is equipped in circular arc.
Preferably, the both ends of the right angle connecting rod offer third groove corresponding with the second rostellum, and second
Rostellum is fixedly connected by positioning pin with right angle connecting rod.
Preferably, the quantity more than two of the first through hole, and first through hole is isodistantly spaced arrangement.
Preferably, the compressor arm and the second through-hole are in screw thread grafting.
Preferably, first briquetting and the second briquetting are in convex structure close to one end of Kirschner wire, and circular arc table
Face is equipped with the second anti-skid chequer.
Compared with prior art, the utility model has the beneficial effects that：This composite bone fracture restorer, can as needed into
Row Optional assembling and dismounting.It is connected with right angle by nut, dextrorotation screw rod, derotation screw rod, arc chute, rotating bar, the second straight-bar
Several basic parts of bar and Kirschner wire composition, can carry out different assembly and disassembly, convenient for the reset of fracture, can answer as needed
It is resetted for long bone and extremities joint surrounding fracture, long bone straight line pattern, which may be implemented, by the combination between different components resets
And fracture around joint right angle mode resets；Geometric form can be utilized by vertical cross Kirschner wire fixation and using squared design
The characteristics of shape, carries out standard with reference to progress parking position accuracy.It is simple to operation not need Special Training.Element Design is simply easy to make
With special training need not be carried out；Low cost is suitable for basic hospital.
Description of the drawings
Fig. 1 is the utility model dimensional structure diagram.
Fig. 2 is the utility model positive structure diagram；
Fig. 3 is the utility model side structure schematic view；
Fig. 4 is the utility model overlooking structure diagram；
Fig. 5 is the portions the utility model A enlarged structure schematic diagram；
Fig. 6 is the portions the utility model B enlarged structure schematic diagram；
Fig. 7 is the utility model right angle connecting rod structural schematic diagram.
In figure：Nut 1, dextrorotation screw rod 2, derotation screw rod 3, the first groove 4, the first straight-bar 5, arc chute 6, brake cap 7,
Elastomeric pad 8, trig loop 9, rotating bar 10, the first rostellum 11, the second groove 12, the second straight-bar 13, the second rostellum 14, right angle connect
It is extension bar 15, connecting plate 16, Kirschner wire 17, first through hole 18, the second through-hole 19, compressor arm 20, the first briquetting 21, sliding slot 22, convex
Block 23, third straight-bar 24, hinge bar 25, fixed link 26, compression bar 27, the second briquetting 28.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 7 are please referred to Fig.1, the utility model provides a kind of technical solution：
The quantity of a kind of composite bone fracture restorer, including nut 1 and the second straight-bar 13, nut 1 is four, and is in matrix
Distribution, the left side thread in inner cavity of nut 1 are connected with dextrorotation screw rod 2, and the right side thread in inner cavity of nut 1 is connected with derotation screw rod 3, just
Rotation screw rod 2 and the opposite one end of derotation screw rod 3 are respectively connected with elastomeric pad 8, shield, dextrorotation screw rod 2 and derotation screw rod 3
Opposite one end offers the first groove 4, and the first straight-bar 5 is plugged in the first groove 4, and the other end of the first straight-bar 5 is connected with
Steering ball, steering ball slidably connect arc chute 6, and the first straight-bar 5 is socketed with brake cap 7 close to one end of steering ball, braking
The other end of cap 7 is socketed with the side wall of arc chute 6, and brake cap 7 and the side wall socket mode of arc chute 6 are socketed for screw thread,
It is connected firmly, is conveniently operated, the inner wall of brake cap 7 is connected with trig loop 9 close to one end of steering ball, and trig loop 9 is close to steering
One end of ball is in convex structure, is bonded steering ball, and the first anti-skid chequer is equipped in circular arc so that steering ball is fixed more steady
It is fixed.
The other end of the arc chute 6 far from the first straight-bar 5 is connect with the side wall of rotating bar 10, in the middle part of the both ends of rotating bar 10
It is respectively connected with the first rostellum 11, one end of the second straight-bar 13 offers the second groove 12, and the other end of the second straight-bar 13 is connected with
Second rostellum 14, the first rostellum 11 are connected in the second groove 12, and two neighboring second straight-bar 13 passes through 15 phase of right angle connecting rod
It connects, the both ends of right angle connecting rod 15 offer third groove corresponding with the second rostellum 14, are conveniently connected and fixed.
The one end of rotating bar 10 far from arc chute 6 is connected with connecting plate 16, and connecting plate 16 offers multiple first through hole
18, the quantity more than two of first through hole 18, and first through hole 18 is isodistantly spaced arrangement, it is opposite on opposite two connecting plates 16
Two first through hole 18 answered are plugged with Kirschner wire 17, and one end side wall of the connecting plate 16 far from rotating bar 10 is offered to be led to first
18 corresponding second through-hole 19 of hole, and the second through-hole 19 is connected with first through hole 18, it is logical close to second in first through hole 18
The one end in hole 19 is equipped with the first briquetting 21, and the first briquetting 21 offers sliding slot 22 close to one end of the second through-hole 19, and second is logical
Compressor arm 20 is plugged in hole 19, compressor arm 20 and the second through-hole 19 are in screw thread grafting, are conveniently operated, convenient for fixing, compressor arm
20 one end is located at the outside of connecting plate 16, and the other end of compressor arm 20 passes through the second through-hole 19 to reach in first through hole 18 and slide
Slot 22 is slidably connected, and the upper and lower ends of the first briquetting 21 are respectively connected with convex block 23, and side of the convex block 23 far from the second through-hole 19 connects
It is connected to third straight-bar 24, the other end of third straight-bar 24 is hinged with hinge bar 25, and the middle part of hinge bar 25 is rotatably connected to installation
The other end of fixed link 26 on 18 side wall of first through hole, hinge bar 25 is hinged with compression bar 27, the other end of two compression bars 27
It is connected with the second briquetting 28, the first briquetting 21 and the second briquetting 28 are located at the both sides of Kirschner wire 17, the first briquetting 21 and second pressure
Block 28 is in convex structure close to one end of Kirschner wire 17, and arc-shaped surface is equipped with the second anti-skid chequer.
The installing and fixing method of this reduction of the fracture device, includes the following steps：One, it is obtained and is inserted using Medical CT or medical MRI
The need for entering Kirschner wire 17 fix the image information of bone tissue；Two, using image processing software to needing fixed bone tissue in step 1
Image information handled, and obtain need to fix bone tissue reset after 3-D graphic information；Three, according to bone tissue need to be fixed
The body part at place selects the size of corresponding equipment, nut 1 is placed on to the surrounding of corresponding fracture site, and rectangular
Distribution, be then inserted into dextrorotation screw rod 2 and derotation screw rod 3 respectively at the both ends of nut 1, successively by the first straight-bar 5, arc chute 6,
Rotating bar 10, the second straight-bar 13 and right angle connecting rod 15 assemble, and reduction of the fracture device is strutted, passes through rolling brake by rotary nut 1
Cap 7 fixes the direction of arc chute 6, and trig loop 9 limits the rotation of steering ball, and Kirschner wire 17 is then passed through first through hole 18
It is inserted into epiphysis, then rotatably compresses bar 20 again so that the first briquetting 21 compresses Kirschner wire 17, passes through third straight-bar 24, hinge
Under the cooperating of extension bar 25, fixed link 26 and compression bar 27 so that the second briquetting 28 compresses Kirschner wire 17, the first briquetting 21 and the
Two briquettings 28 well fix Kirschner wire 17, this composite bone fracture restorer, can carry out Optional assembling and dismounting as needed,
By nut 1, dextrorotation screw rod 2, derotation screw rod 3, arc chute 6,15 several bases of rotating bar 10, the second straight-bar 13 and right angle connecting rod
This part and Kirschner wire 17 form, and can carry out different assembly and disassembly as needed, and rotation rotating bar 10 can adjust kirschner
The direction of needle 17, it is convenient for disassembly and assembly convenient for the reset of fracture, it can be applied to long bone and extremities joint surrounding fracture reset, by not
The reset of long bone straight line pattern may be implemented with the combination between component and fracture around joint right angle mode resets；Pass through vertical ten
Word Kirschner wire 17 is fixed and application squared design can carry out parking position accuracy, letter using standard reference is carried out the characteristics of geometry
List is easy to operate not to need Special Training, and Element Design is simply easy to use, and need not carry out special training；Low cost is suitable for
Basic hospital.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. the quantity of a kind of composite bone fracture restorer, including nut (1) and the second straight-bar (13), nut (1) is four, and is in
Matrix distribution, it is characterised in that：The left side thread in inner cavity of the nut (1) is connected with dextrorotation screw rod (2), the right side of nut (1)
Thread in inner cavity is connected with derotation screw rod (3), and it is recessed that the dextrorotation screw rod (2) and the opposite one end of derotation screw rod (3) offer first
Slot (4), first groove (4) is interior to be plugged with the first straight-bar (5), and the other end of first straight-bar (5) is connected with steering ball,
Steering ball slidably connects arc chute (6), and first straight-bar (5) is socketed with brake cap (7), institute close to one end of steering ball
The side wall of the other end and arc chute (6) of stating brake cap (7) is socketed, and the inner wall of the brake cap (7) is close to the one of steering ball
End is connected with trig loop (9), and the other end of the arc chute (6) far from the first straight-bar (5) and the side wall of rotating bar (10) connect
It connects, is respectively connected with the first rostellum (11) in the middle part of the both ends of the rotating bar (10), one end of second straight-bar (13) offers
The other end of second groove (12), the second straight-bar (13) is connected with the second rostellum (14), and first rostellum (11) is connected to
In two grooves (12), two neighboring second straight-bar (13) is connected with each other by right angle connecting rod (15)；
The one end of the rotating bar (10) far from arc chute (6) is connected with connecting plate (16), and the connecting plate (16) offers
Multiple first through hole (18), upper corresponding two first through hole (18) of opposite two connecting plates (16) are plugged with kirschner
Needle (17), one end side wall of the connecting plate (16) far from rotating bar (10) offer corresponding with first through hole (18) second
Through-hole (19), and the second through-hole (19) is connected with first through hole (18), close to the second through-hole in the first through hole (18)
(19) one end is equipped with the first briquetting (21), and the first briquetting (21) offers sliding slot close to one end of the second through-hole (19)
(22), it is plugged with compressor arm (20) in second through-hole (19), one end of the compressor arm (20) is located at connecting plate (16)
Outside, the other end of compressor arm (20) pass through the second through-hole (19) to reach and are slidably connected with sliding slot (22) in first through hole (18),
The upper and lower ends of first briquetting (21) are respectively connected with convex block (23), side of the convex block (23) far from the second through-hole (19)
It is connected with third straight-bar (24), the other end of the third straight-bar (24) is hinged with hinge bar (25), the hinge bar (25)
Middle part is rotatably connected to the fixed link (26) on first through hole (18) side wall, and the other end of the hinge bar (25) is hinged
There are compression bar (27), the other end of two compression bars (27) to be connected with the second briquetting (28), first briquetting (21) and second
Briquetting (28) is located at the both sides of Kirschner wire (17).
2. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：The dextrorotation screw rod (2) and anti-
The opposite one end of rotation screw rod (3) is respectively connected with elastomeric pad (8).
3. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：The brake cap (7) and arc
The side wall socket mode of sliding slot (6) is socketed for screw thread.
4. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：The trig loop (9) is close to be turned
It is in convex structure to one end of ball, and is equipped with the first anti-skid chequer in circular arc.
5. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：The right angle connecting rod (15)
Both ends offer third groove corresponding with the second rostellum (14).
6. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：The number of the first through hole (18)
More than two is measured, and first through hole (18) is isodistantly spaced arrangement.
7. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：The compressor arm (20) and second
Through-hole (19) is in screw thread grafting.
8. a kind of composite bone fracture restorer according to claim 1, it is characterised in that：First briquetting (21) and the
Two briquettings (28) are in convex structure close to one end of Kirschner wire (17), and arc-shaped surface is equipped with the second anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554799.8U CN207654220U (en) | 2017-05-18 | 2017-05-18 | A kind of composite bone fracture restorer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554799.8U CN207654220U (en) | 2017-05-18 | 2017-05-18 | A kind of composite bone fracture restorer |
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| Publication Number | Publication Date |
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| CN207654220U true CN207654220U (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720554799.8U Active CN207654220U (en) | 2017-05-18 | 2017-05-18 | A kind of composite bone fracture restorer |
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| CN (1) | CN207654220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-05-18 CN CN201720554799.8U patent/CN207654220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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