CN203749540U - External fixing support for shank tibia for orthopedics - Google Patents
External fixing support for shank tibia for orthopedics Download PDFInfo
- Publication number
- CN203749540U CN203749540U CN201420134428.0U CN201420134428U CN203749540U CN 203749540 U CN203749540 U CN 203749540U CN 201420134428 U CN201420134428 U CN 201420134428U CN 203749540 U CN203749540 U CN 203749540U
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- fixation clamp
- clamp assembly
- screw
- driving screw
- nail bar
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses an external fixing support for the shank tibia for orthopedics. An upper nail rod fixing clamp assembly (A) comprises an upper fixing clamp (2) and an upper threaded nail (3). A lower nail rod fixing clamp assembly (B) comprises a lower fixing clamp (4) and a lower threaded nail (5). A support main body (1) comprises a main screw (1a) and an anti-rotating rod (1b). The main screw and the anti-rotating rod are arranged on the left and the right at intervals and are fixedly connected integrally through a connection portion (1c). The upper fixing clamp and the lower fixing clamp sleeve the main screw alternatively and are locked on the main screw through main nuts (6). Meanwhile, the anti-rotating rod penetrates the upper fixing clamp and the lower fixing clamp to prevent the upper fixing clamp and the lower fixing clamp from rotating around the main screw, the upper nail rod and the lower nail rod are located between the main screw and the anti-rotating rod, and the positions of the upper nail rod fixing clamp assembly and the lower nail rod fixing clamp assembly on the main screw can be adjusted by screwing the main nuts. The external fixing support has the advantages of being novel in structure, ingenious in design, high in generality, good in stability, low in manufacture cost and the like.
Description
Technical field
This utility model relates to the Orthopaedic external fixator in medical apparatus and instruments, is specifically related to a kind of calf shank exterior fixation bracket for orthopaedics.
Background technology
Orthopaedic external fixator is a kind of external fixing device, and it is connected with one or more stringer bar (pipe) and/or ring the effect stable, that reset that reaches by the each end of fracture by metal nail.
Existing Orthopaedic external fixator various informative, but can be divided into generally ring-type, semicircular and monolateral three types.The Orthopaedic external fixator of single-side structural, the time of comparing ring-type and the appearance of Semicircular structure is more late, has compact conformation, low cost of manufacture, wears the features such as convenient.The orthopaedics calf shank exterior fixation bracket of single-side structural, mainly by fixed support, be arranged on upper nail bar fixation clamp assembly and lower nail bar fixation clamp module composition on fixed support, upper nail bar fixation clamp assembly is mainly by upper fixation clamp, upper drive screw through upper fixation clamp forms, lower nail bar fixation clamp assembly mainly forms by lower fixation clamp with through the drive screw of lower fixation clamp, not mobile regulatory function member, the subject matter that existing structure exists is: on (1), lower nail bar fixation clamp assembly can not mutually move on rack body screw rod, can not compress fracture site maybe cannot regulate murices peg or governor motion too complicated, (2) upper and lower nail bar fixation clamp assembly likely rotates in installation and use procedure, and stability is bad, has affected bone healing.
Utility model content
This utility model improves for above-mentioned technical problem, intend providing a kind of and shorten pressurization or extend the calf shank exterior fixation bracket of limbs for fracture end, and be easy to regulate, stability is high, simple in structure, low cost of manufacture.
For this reason, the technical scheme that this utility model adopts is: a kind of orthopaedics calf shank exterior fixation bracket, comprise rack body (1), upper nail bar fixation clamp assembly (A) and lower nail bar fixation clamp assembly (B), described upper nail bar fixation clamp assembly (A) comprises fixation clamp (2) and the upper drive screw (3) through upper fixation clamp (2), described lower nail bar fixation clamp assembly (B) comprises lower fixation clamp (4) and the lower drive screw (5) through lower fixation clamp (4), it is characterized in that: described rack body (1) comprises driving screw (1a) and anti-rotation bar (1b), driving screw (1a) is solidly fixed every arranging and passing through connecting portion (1c) between left and right with anti-rotation bar (1b), the upper compartment of terrain of described driving screw (1a) is installed with fixation clamp (2) and lower fixation clamp (4), and be locked on driving screw (1a) by mother nut (6) respectively, anti-rotation bar (1b) rotates around driving screw (1a) to prevent upper and lower fixation clamp (2,4) through upper fixation clamp (2) and lower fixation clamp (4) simultaneously, upper and lower drive screw (3,5) is positioned between driving screw (1a) and anti-rotation bar (1b), turns the position of the upper and lower nail bar of mother nut (6) scalable fixation clamp assembly (A, B) on driving screw (1a).
The lower end of above-mentioned rack body (1) is through the through ground of lower nail bar fixation clamp assembly (B), the heavy power conduction earthing mechanism of organizator (1d), by body weight gravity conduction earthing mechanism, body weight gravity is delivered to ground, the not holding capacity of tibia of fracture, patient can postoperatively walk down as early as possible, carry out rehabilitation training, take care of oneself.
Above-mentioned lower fixation clamp (4) comprises left fixture block (4a), right fixture block (4b) and middle moving block (4c), the bolt (4d) that three connects by level is connected, described left fixture block (4a) is enclosed within on driving screw (1a), it is upper that right fixture block (4b) is enclosed within anti-rotation bar (1b), and lower drive screw (5) is through on middle moving block (4c); Also be provided with gripper shoe (7) in the below of lower fixation clamp (4), the two ends, left and right of gripper shoe (7) are fixed on left fixture block (4a) and right fixture block (4b) by screw (8) respectively, also be provided with adjusting bolt (9) in the below of middle moving block (4c), the upper end of described adjusting bolt (9) is upper through moving block (4c) in the middle of being pushed against after gripper shoe (7), can make middle moving block (4c) turn to the angle needing around bolt (4d) by turning adjusting bolt (9).By this said structure, the angle that has realized drive screw in lower needle bar fixation clamp assembly is adjustable, thereby regulates according to fracture of tibia broken ends of fractured bone situation, makes its bone para-position to line, treatment fracture.
On above-mentioned driving screw (1a), be also installed with the leg rest clamping plate (10) of " Z " shape, leg rest clamping plate (10) are positioned at the below of lower nail bar fixation clamp assembly (B), and be locked on driving screw (1a) by other mother nut (6), the free end of leg rest clamping plate (10) flushes with ground, meanwhile, anti-rotation bar (1b) also rotates around driving screw (1a) to prevent leg rest clamping plate (10) through leg rest clamping plate (10).Set up leg rest clamping plate, play auxiliary fixation, patient is postoperative can walk and avoid tibia stressed down in early days.
Institute's above-mentioned rack body (1) entirety is " U " shape, is formed by screw rod bending.Optimize the structure of rack body, reduced manufacturing cost simultaneously.
Be preferably, described upper nail bar fixation clamp assembly (A) has two at least, and between the upper and lower every setting, on each upper nail bar fixation clamp assembly (A), be only provided with a upper drive screw (3), between adjacent upper nail bar fixation clamp assembly (A), separate by the spacer (11) being through on driving screw (1a); Described lower nail bar fixation clamp assembly (B) only has one, and is provided with at least two upper and lower spaced apart lower drive screws (5) on lower nail bar fixation clamp assembly (B).By changing the different sleeve pipes of length, the distance of the adjacent upper nail bar fixation clamp assembly of capable of regulating, follows closely the height of bar fixation clamp assembly on capable of regulating, meet the demand of different length fracture of tibia.
In technique scheme, also comprise a supplemental support screw rod (13) parallel with driving screw (1a), in the left fixture block (4a) of described lower fixation clamp (4), be provided with tapped blind hole, the upper end of described supplemental support screw rod (13) and wherein a spacer (11) are locked together by securing member, and the lower end of supplemental support screw rod (13) coordinates with tapped blind hole.Supplemental support screw rod, forms three bars with the driving screw of rack body, anti-bull stick and supports, and has improved the intensity of whole support, is particularly suitable for the patient that body weight is larger and uses.
Beneficial effect is: this utility model has realized the up-down adjustment of upper and lower shank fixation clamp assembly on rack body by driving screw and mother nut, use the exterior fixation bracket initial stage patient, for ensureing the tibia breaking part callus of growing as early as possible, need shorten the distance between upper and lower nail bar fixation clamp assembly, the compression fracture broken ends of fractured bone as far as possible.After callus generation, according to circumstances the distance between the upper and lower nail bar of capable of regulating fixation clamp assembly shortens the length that extends fracture tibia.In addition, by setting up anti-rotation bar, to prevent that installation and the upper and lower nail bar of use procedure fixation clamp assembly from rotating around driving screw, ensured the stability of exterior fixation bracket.Further, body weight gravity conduction earthing mechanism can conduct ground by gravity, and patient walks in early days; Lower nail bar fixation clamp assembly has adjustment angle function, is beneficial to the para-position of fracture end to line reduction therapy fracture etc.This apparatus has novel structure, designs the features such as ingenious, versatility is high, good stability, low cost of manufacture.
Brief description of the drawings
Fig. 1 is one of version of the present utility model.
Fig. 2 is left view in Fig. 1.
Fig. 3 is two of version of the present utility model.
Fig. 4 is three of version of the present utility model.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
In conjunction with Fig. 1---shown in Fig. 2, a kind of orthopaedics calf shank exterior fixation bracket, is mainly made up of rack body 1, upper nail bar fixation clamp assembly A and lower nail bar fixation clamp assembly B tri-parts.Upper nail bar fixation clamp assembly A is mainly by upper fixation clamp 2, form through upper drive screw 3, the lock-screw 12 of upper fixation clamp 2.Lower nail bar fixation clamp assembly B is mainly by lower fixation clamp 4, form through lower drive screw 5, the lock-screw 12 of lower fixation clamp 4.On upper fixation clamp 2, have and keep supplying the hole that drive screw 3 passes, on lower fixation clamp 4, have the hole of passing for lower drive screw 5, and upper fixation clamp 2 is interference fit with upper drive screw 3, lower fixation clamp 4 with lower drive screw 5.The axis of lock-screw 12 is perpendicular to corresponding nail bar, and the termination of lock-screw 12 is against on the outer circumference surface of drive screw, thereby corresponding drive screw is fixed.The above is same as the prior art, does not repeat them here.
Difference is: rack body 1 comprises driving screw 1a and anti-rotation bar 1b, and driving screw 1a and anti-rotation bar 1b are between left and right every arranging and being solidly fixed by connecting portion 1c, and the axis of driving screw 1a and anti-rotation bar 1b is parallel to each other.The upper compartment of terrain of driving screw 1a is installed with fixation clamp 2 and lower fixation clamp 4, and upper fixation clamp 2 is positioned at the top of lower fixation clamp 4.On upper fixation clamp 2, lower fixation clamp 4, respectively have two circular holes, a circular hole passes for driving screw 1a, and another circular hole passes for anti-rotation bar 1b.It is upper that upper fixation clamp 2, lower fixation clamp 4 are locked at driving screw 1a by mother nut 6 respectively, and anti-rotation bar 1b rotates around driving screw 1a to prevent upper and lower fixation clamp 2,4 with lower fixation clamp 4 through upper fixation clamp 2 simultaneously.Upper and lower drive screw 3,5, between driving screw 1a and anti-rotation bar 1b, turns the upper and lower nail bar of mother nut 6 scalable fixation clamp assembly A, the position of B on driving screw 1a.Thereby compression and prolongation fracture tibia, adjust to behind the position needing, then be locked by mother nut 6.
The lower end of existing tibia exterior fixation bracket flushes with lower nail bar fixation clamp assembly conventionally, instantly when following closely drive screw on bar fixation clamp assembly and squeezing in the bone of tibia lower end, between tibia exterior fixation bracket and ground, still have a segment distance, tibia is as main stress point, and patient cannot descend and walk.In tibia exterior fixation bracket of the present utility model, the lower end of rack body 1 is through the through ground of lower nail bar fixation clamp assembly B, and the heavy power of organizator is conducted earthing mechanism 1d.By body weight gravity conduction earthing mechanism, body weight gravity is delivered to ground, not holding capacity of the tibia of fracture, patient can postoperatively walk down as early as possible, carries out rehabilitation training, takes care of oneself.
In addition, lower fixation clamp 4 comprises left fixture block 4a, right fixture block 4b and middle moving block 4c, and the bolt 4d that three connects by level is connected, and middle moving block 4c is clipped between left fixture block 4a and right fixture block 4b.It is upper that left fixture block 4a is enclosed within driving screw 1a, and it is upper that right fixture block 4b is enclosed within anti-rotation bar 1b, and in the middle of lower drive screw 5 is through, moving block 4c is upper, and middle moving block 4c can rotate around bolt 4d under external force.Below lower fixation clamp 4, be also provided with gripper shoe 7, the two ends, left and right of gripper shoe 7 are fixed on left fixture block 4a and right fixture block 4b by screw 8 respectively, below middle moving block 4c, be also provided with adjusting bolt 9, the upper end of adjusting bolt 9 is upper through moving block 4c in the middle of being pushed against after gripper shoe 7, can make middle moving block 4c turn to the angle needing around bolt 4d by turning adjusting bolt 9.By this said structure, the angle that has realized lower drive screw 5 in time nail bar fixation clamp assembly B is adjustable, carries out lower drive screw angular adjustment, the reduction of the fracture according to patient's fracture situation.
Further, be also installed with the leg rest clamping plate 10 of " Z " shape on driving screw 1a, leg rest clamping plate 10 are positioned at the same side with the needle point of upper drive screw 3, lower drive screw 5.On leg rest clamping plate 10, be provided with two installing holes, pass for driving screw 1a, anti-rotation bar 1b respectively.Leg rest clamping plate 10 are positioned at the below of lower nail bar fixation clamp assembly B, and it is upper to be locked at driving screw 1a by other mother nut 6, and meanwhile, anti-rotation bar 1b also rotates around driving screw 1a to prevent leg rest clamping plate 10 through leg rest clamping plate 10.Leg rest clamping plate 10 are " Z " shape bending plate, make the free end of leg rest clamping plate 10 flush with ground by bending.Set up leg rest clamping plate 10, auxiliary fixing, while walking under patient, foot can be placed on leg rest clamping plate 10.
The version of rack body 1 is various, be preferably, as shown in Figure 1, Figure 2, Figure 3 shows, rack body 1 is " U " shape, formed by screw rod bending, therefore be also threaded on anti-rotation bar 1b, the upper fixation clamp 2, lower fixation clamp 4, the leg rest clamping plate 10 that are through on anti-rotation bar 1b are locked on anti-rotation bar 1b by other mother nut 6.As shown in Figure 4, rack body 1 can be welded by driving screw 1a, anti-rotation bar 1b and connecting portion 1c, and anti-bull stick 1b is polished rod.Connecting portion 1c plays the effect that driving screw 1a, anti-bull stick 1b are connected as a single entity, and its position is not limited to the top of rack body 1.
Upper nail bar fixation clamp assembly A can be one, is at least provided with two upper drive screws 3 on each upper nail bar fixation clamp assembly A.Be preferably, upper nail bar fixation clamp assembly A has two at least, and between the upper and lower every setting, is only provided with a upper drive screw 3 on each upper nail bar fixation clamp assembly A, between adjacent upper nail bar fixation clamp assembly A, separates by the spacer 11 being through on driving screw 1a.Lower nail bar fixation clamp assembly B only has one, and is provided with at least two upper and lower spaced apart lower drive screws 5 on lower nail bar fixation clamp assembly B.
As shown in Figure 3, with Fig. 1 comparison, set up a supplemental support screw rod 13 parallel with driving screw 1a, in the left fixture block 4a of lower fixation clamp 4, be provided with tapped blind hole, the upper end of supplemental support screw rod 13 and wherein a spacer 11 are locked together by securing member, and the lower end of supplemental support screw rod 13 coordinates with tapped blind hole.The cross section of the spacer 11 being connected with supplemental support screw rod 13 can suitably increase, to ensure that supplemental support screw rod 13 can pass this spacer 11, on the spacer 11 being connected with supplemental support screw rod 13, except having the hole of passing through for driving screw 1a, also have the hole of passing through for supplemental support screw rod 13.In addition, the difference of Fig. 3 and Fig. 1 also comprises in Fig. 1, there are leg rest clamping plate 10, there is no leg rest clamping plate 10 in Fig. 3.
Body weight gravity conduction earthing mechanism 1d in Fig. 4 is formed after downward-extension by the lower end of driving screw 1a, anti-rotation bar 1b, now need between driving screw 1a and the lower end of anti-rotation bar 1b, set up the earth terminal connecting rod 1e of level.And body weight gravity in Fig. 1 conduction earthing mechanism 1d arranges separately.In addition, if the anti-rotation bar 1b in Fig. 4 is polished rod, is enclosed between the upper nail bar fixation clamp assembly A of anti-rotation bar 1b spacer 11 is not set; And anti-rotation bar 1b is screw rod in Fig. 1, is enclosed between the upper nail bar fixation clamp assembly A of anti-rotation bar 1b and is provided with spacer 11.Totally two of upper nail bar fixation clamp assembly A in Fig. 4, and upper totally three of the bar fixation clamp assembly A that follow closely in Fig. 1.
Claims (7)
1. an orthopaedics calf shank exterior fixation bracket, comprise rack body (1), upper nail bar fixation clamp assembly (A) and lower nail bar fixation clamp assembly (B), described upper nail bar fixation clamp assembly (A) comprises fixation clamp (2) and the upper drive screw (3) through upper fixation clamp (2), described lower nail bar fixation clamp assembly (B) comprises lower fixation clamp (4) and the lower drive screw (5) through lower fixation clamp (4), it is characterized in that: described rack body (1) comprises driving screw (1a) and anti-rotation bar (1b), driving screw (1a) is solidly fixed every arranging and passing through connecting portion (1c) between left and right with anti-rotation bar (1b), the upper compartment of terrain of described driving screw (1a) is installed with fixation clamp (2) and lower fixation clamp (4), and be locked on driving screw (1a) by mother nut (6) respectively, anti-rotation bar (1b) rotates around driving screw (1a) to prevent upper and lower fixation clamp (2,4) through upper fixation clamp (2) and lower fixation clamp (4) simultaneously, upper and lower drive screw (3,5) is positioned between driving screw (1a) and anti-rotation bar (1b), turns the position of the upper and lower nail bar of mother nut (6) scalable fixation clamp assembly (A, B) on driving screw (1a).
2. according to orthopaedics calf shank exterior fixation bracket claimed in claim 1, it is characterized in that: the lower end of described rack body (1) is through the through ground of lower nail bar fixation clamp assembly (B), the heavy power conduction earthing mechanism of organizator (1d).
3. according to orthopaedics calf shank exterior fixation bracket claimed in claim 1, it is characterized in that: described lower fixation clamp (4) comprises left fixture block (4a), right fixture block (4b) and middle moving block (4c), the bolt (4d) that three connects by level is connected, described left fixture block (4a) is enclosed within on driving screw (1a), it is upper that right fixture block (4b) is enclosed within anti-rotation bar (1b), and lower drive screw (5) is through on middle moving block (4c); Also be provided with gripper shoe (7) in the below of lower fixation clamp (4), the two ends, left and right of gripper shoe (7) are fixed on left fixture block (4a) and right fixture block (4b) by screw (8) respectively, also be provided with adjusting bolt (9) in the below of middle moving block (4c), the upper end of described adjusting bolt (9) is upper through moving block (4c) in the middle of being pushed against after gripper shoe (7), can make middle moving block (4c) turn to the angle needing around bolt (4d) by turning adjusting bolt (9).
4. according to claim 1---the orthopaedics calf shank exterior fixation bracket in 3 described in any one, it is characterized in that: the leg rest clamping plate (10) that are also installed with " Z " shape on described driving screw (1a), leg rest clamping plate (10) are positioned at the below of lower nail bar fixation clamp assembly (B), and be locked on driving screw (1a) by other mother nut (6), the free end of leg rest clamping plate (10) flushes with ground, meanwhile, anti-rotation bar (1b) also rotates around driving screw (1a) to prevent leg rest clamping plate (10) through leg rest clamping plate (10).
5. according to orthopaedics calf shank exterior fixation bracket claimed in claim 1, it is characterized in that: described rack body (1) is " U " shape, formed by screw rod bending.
6. according to orthopaedics calf shank exterior fixation bracket claimed in claim 3, it is characterized in that: described upper nail bar fixation clamp assembly (A) has two at least, and between the upper and lower every setting, on each upper nail bar fixation clamp assembly (A), be only provided with a upper drive screw (3), between adjacent upper nail bar fixation clamp assembly (A), separate by the spacer (11) being through on driving screw (1a); Described lower nail bar fixation clamp assembly (B) only has one, and is provided with at least two upper and lower spaced apart lower drive screws (5) on lower nail bar fixation clamp assembly (B).
7. according to orthopaedics calf shank exterior fixation bracket claimed in claim 6, it is characterized in that: also comprise a supplemental support screw rod (13) parallel with driving screw (1a), in the left fixture block (4a) of described lower fixation clamp (4), be provided with tapped blind hole, the upper end of described supplemental support screw rod (13) and wherein a spacer (11) are locked together by securing member, and the lower end of supplemental support screw rod (13) coordinates with tapped blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134428.0U CN203749540U (en) | 2014-03-24 | 2014-03-24 | External fixing support for shank tibia for orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134428.0U CN203749540U (en) | 2014-03-24 | 2014-03-24 | External fixing support for shank tibia for orthopedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203749540U true CN203749540U (en) | 2014-08-06 |
Family
ID=51244849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420134428.0U Expired - Fee Related CN203749540U (en) | 2014-03-24 | 2014-03-24 | External fixing support for shank tibia for orthopedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203749540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829994A (en) * | 2014-03-24 | 2014-06-04 | 阮冬睿 | Shank shin bone outer fixing support for orthopedics department |
| CN106108993A (en) * | 2016-06-22 | 2016-11-16 | 类新 | Fracture fixation device |
-
2014
- 2014-03-24 CN CN201420134428.0U patent/CN203749540U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103829994A (en) * | 2014-03-24 | 2014-06-04 | 阮冬睿 | Shank shin bone outer fixing support for orthopedics department |
| CN103829994B (en) * | 2014-03-24 | 2016-02-03 | 曾行行 | A kind of orthopaedics calf shank exterior fixation bracket |
| CN106108993A (en) * | 2016-06-22 | 2016-11-16 | 类新 | Fracture fixation device |
| CN106108993B (en) * | 2016-06-22 | 2018-04-17 | 类新 | Fracture fixation device |
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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: 20140806 Termination date: 20160324 |