CN106308902A - Bone lengthening scaffold - Google Patents
Bone lengthening scaffold Download PDFInfo
- Publication number
- CN106308902A CN106308902A CN201610700418.2A CN201610700418A CN106308902A CN 106308902 A CN106308902 A CN 106308902A CN 201610700418 A CN201610700418 A CN 201610700418A CN 106308902 A CN106308902 A CN 106308902A
- Authority
- CN
- China
- Prior art keywords
- assembly
- slide block
- switching slide
- tail end
- block
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a bone lengthening scaffold. The bone lengthening scaffold comprises a first connecting rod assembly, a front end transfer sliding block assembly, a tail end rotating sliding block assembly and sliding rails, wherein the guide rails serve as a main scaffold; the front end transfer sliding block assembly and the tail end rotating sliding block assembly are connected onto the guide rails in a sliding fit manner; the first connecting rod assembly is connected with the front end transfer sliding block assembly and the tail end rotating sliding block assembly. The positions of the front end transfer sliding block assembly and the tail end rotating sliding block assembly on the sliding rails can be adjusted by adjusting the first connecting rod assembly.
Description
Technical field
The present invention relates to a kind of medical bone extending bracket.
Background technology
Along with the development of society, the progress of science and technology so that the living standard of people constantly improves.Along with people
Growth in the living standard, people are also gradually stepping up for healthy concern, and this also allows for medical condition and constantly improves, and promote
The development of medical apparatus and instruments.
Such as, as a example by Limb lengthening is performed the operation, it would generally use Limb lengthening support, in order to is fixed knochenbruch.
But, existing medical Limb lengthening support, its length dimension is fixed, it is impossible to carry out reasonably according to different situations
Regulation adjustment inconvenience is apart from short, and joint motion amount is little or the anglec of rotation is little, adjusts accurate, and overall weight is big, use difficulty
Greatly.
Therefore, necessary develop a kind of novel Limb lengthening support, overcome defect of the prior art.
Summary of the invention
It is an object of the invention to provide a kind of novel Limb lengthening support, its length can regulate, compact conformation, weight
The lightest.
For achieving the above object, present invention employs following technical scheme:
A kind of Limb lengthening support, it include first connecting rod assembly, front end switching slide block assembly, tail end rotary slider assembly with
And guide rail.Wherein said guide rail is main support, and described front end switching slide block assembly and tail end rotary slider component slippage connect
On described guide rail；Described first connecting rod assembly connects described front end switching slide block assembly and described tail end rotary slider assembly.
By regulating described first connecting rod assembly, described front end switching slide block assembly and described tail end rotary slider assembly are carried out both
Position adjustments on described guide rail.
Further, in different embodiments, wherein said first connecting rod assembly include fixed block, screw mandrel, outer bar and
Fixing bar, wherein said fixed block seals in described screw mandrel and can rotate around described screw mandrel；Nut it is provided with solid on described screw mandrel
Determining block, described outer bar is set in outside described screw mandrel；Described outer bar afterbody arranges block block and seals, and described fixing bar is arranged on described
In the cylindrical hole that outer bar is concentric with described block block, the lower end of described fixing bar is connected to described front end switching slide block assembly and institute
State on tail end rotary slider assembly；Realizing described leading screw by stubborn described screw mandrel inner hexagonal hole drives described fixed block, nut solid
Determine the indentation of the most described outer bar of block with away from, and then drive described front end switching slide block assembly and described tail end rotary slider group
Part carries out both position adjustments on described guide rail.
Further, in different embodiments, the hole on wherein said nut fixed block and the hole pair on described screw mandrel
Standard, is provided with elastic cylinder split pin in it.
Further, in different embodiments, the head of wherein said screw mandrel is provided with retaining ring.
Further, in different embodiments, it also includes middle-end switching slide block assembly, and the switching of wherein said middle-end is sliding
Block assembly slides on the described guide rail connected between described front end switching slide block assembly and tail end rotary slider assembly.
Further, in different embodiments, it also includes the second connecting rod assembly, wherein said head rod group
Part connects described front end switching slide block assembly and described middle-end switching slide block assembly；During described second connecting rod assembly connection is described
End switching slide block assembly and described tail end rotary slider assembly.
Further, in different embodiments, wherein said second connecting rod assembly and described head rod assembly
Structure is consistent.
Further, in different embodiments, wherein said front end switching slide block assembly, it includes pressing plate and unidirectional cunning
Block, wherein said pressing plate is connected by screw with unidirectional slide block, realizes fixing nail by screwing described screw.
Further, in different embodiments, wherein said tail end rotary slider assembly includes transfer slide block, rotation pressure
Plate and steering block, wherein said switching slide block is arranged on described guide rail, and described rotary pressure plate is arranged on described switching slide block,
Described steering block is arranged on described switching slide block, is used for described rotary pressure plate Dual positioning.
Further, in different embodiments, wherein said tail end rotary slider assembly also includes being arranged on described rotation
Turning the swivel link on pressing plate, it includes the retractable rod being arranged on described swivel link and switching slide block, by stubborn institute
State the soket head cap screw on retractable rod to realize the indentation of described retractable rod and stretch out, thus control described swivel link band
Dynamic described rotary pressure plate rotates, and then realizes the most described guide rail of fixing bone pin and have certain angle.
Compared to prior art, it is an advantage of the present invention that a kind of Limb lengthening support that the present invention relates to, it can basis
Different patients, different demands changes support bracket fastened length, fixes Limb lengthening support according to different angles, and regulation is long
Degree, angle are the most accurate；The nail that can also be suitable for all size positions.
It addition, it also simplifies the frame for movement optimizing self, modularized design, reduce cost of manufacture, relatively alleviate
Overall weight.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Limb lengthening frame that an embodiment of the invention provides；
Fig. 2 is a kind of Limb lengthening frame shown in Fig. 1, its first connecting rod assembly, front end switching slide block assembly and middle-end switching
The structural representation of slide block assembly combination；
Fig. 3 is the structural representation of the first connecting rod assembly shown in Fig. 2；
Fig. 4 is a kind of Limb lengthening frame shown in Fig. 1, the structural representation of its tail end rotary slider assembly；
Fig. 5 is the structural representation of the tail end rotary slider assembly shown in Fig. 4；
Fig. 6 is a kind of Limb lengthening frame shown in Fig. 1, the structural representation of its guide rail.
Label declaration in accompanying drawing 1～6:
First connecting rod assembly 1 screw mandrel 1-1
Fixed block 1-2 nut fixed block 1-3
Outer bar 1-4 retaining ring 1-5
Block block 1-6 fixes bar 1-7
Front end switching slide block assembly 2 unidirectional slide block 2-1
Pressing plate 2-2,3-2 screw 2-3
Trapezoidal characteristics 2-4,3-4 middle-end switching slide block assembly 3
Bidirectional slider 3-1 screw 3-3
Second connecting rod assembly 4 tail end rotary slider assembly 5
Retractable rod 5-1 soket head cap screw 5-1-1
Screw 5-2 screw 5-2-2
Swivel link 5-3 steering block 5-4
Rotary pressure plate 5-5 transfers slide block 5-6
Guide rail 6 dovetail groove 6-1
Screw 7
Detailed description of the invention
Below in conjunction with preferred embodiment and accompanying drawing thereof the technical scheme of a kind of Limb lengthening support to the present invention relates to make into
The one nonrestrictive detailed description of step.
Referring to shown in Fig. 1, an embodiment of the invention provides a kind of Limb lengthening support, and it includes first connecting rod
Assembly 1, front end switching slide block assembly 2, middle-end switching slide block assembly 3, second connecting rod assembly 4, tail end rotary slider assembly 5 and
Guide rail 6.
Wherein said guide rail 6 is main support, by screw 7 by described front end switching slide block assembly 2, middle-end switching slide block group
Part 3 and tail end rotary slider assembly 5 are connected together.By the dovetail groove 6-1 (as shown in Figure 6) on described guide rail 6 with
Prominent trapezoidal characteristics 2-4 on each described slide block assembly, 3-4 (as shown in Figure 2) match realize in direction of rotation spacing,
Three kinds of described slide block assemblies carry out position adjustments by described first connecting rod assembly 1 and second connecting rod assembly 4.
Further, referring to shown in Fig. 2, switching slide block assembly 2 in described front end is tied with described middle-end switching slide block assembly 3
Structure is similar to, and both include pressing plate 2-2,3-2, unidirectional slide block 2-1 and bidirectional slider 3-1 respectively.It is divided by described pressing plate 2-2,3-2
Be not connected by screw 2-3,3-3 with unidirectional slide block 2-1, bidirectional slider 3-1, by screwing described screw 2-3,3-3 thus
Realize nail (not marking in figure) is fixed.
Referring to shown in Fig. 3, described first connecting rod assembly 1 includes screw mandrel 1-1, fixed block 1-2, nut fixed block 1-3, outer
Bar 1-4, retaining ring 1-5, block block 1-6 and two fixing bar 1-7.
Wherein said fixed block 1-2 seals in screw mandrel 1-1, then by described nut fixed block 1-3 by described screw mandrel 1-1
Screw thread be threaded to bottom, until the hole on described nut fixed block 1-3 is directed at the hole on described screw mandrel 1-1, then by Elastic Circular
Post split pin loads fixing, and described fixed block 1-2 can rotate freely on described screw mandrel 1-1.
Then being screwed on described screw mandrel 1-1 by outer bar 1-4, the head close-fitting at described screw mandrel 1-1 knocks in a retaining ring
1-5, knocks in block block 1-6 at described outer bar 1-4 afterbody close-fitting and seals, and last close-fitting knocks in fixing bar 1-7 at described outer bar 1-4
With in described cylindrical hole concentric for block block 1-6.When twisting described screw mandrel 1-1 inner hexagonal hole with inner hexagon spanner, can realize described
Leading screw 1-1 drive the most described outer bar 1-4 indentation of described fixed block 1-2, nut fixed block 1-3 with away from.
Further, described second connecting rod assembly 4, connect middle-end switching slide block assembly 3 and described tail end rotary slider group
Part 5, because its structure is similar with described first connecting rod assembly 1 with working method, for avoiding repeated description, here is omitted.
Refer to Fig. 4, shown in 5 and 6, described tail end rotary slider assembly 5 includes retractable rod 5-1, swivel link 5-
3, steering block 5-4, rotary pressure plate 5-5 and switching slide block 5-6.
Wherein said switching slide block 5-6 is fixed on described guide rail 6 by screw 7, and described rotary pressure plate 5-5 passes through screw
5-2-1 is fixed on described switching slide block 5-6, and described steering block 5-4 is fixed on described switching slide block 5-6 by screw 5-2-2
On, it is used for described rotary pressure plate 5-5 Dual positioning.
Described swivel link 5-3 is arranged in described rotary pressure plate 5-5 by screw 5-2, by structure with described first even
The similar described retractable rod 5-1 of bar assembly 1 is installed in the hole of described swivel link 5-3 and switching slide block 5-6, by interior
Die nut is twisted the soket head cap screw on retractable rod 5-1 and is gone the indentation realizing described retractable rod 5-1 to stretch out, thus controls
Making described swivel link 5-3 drives described rotary pressure plate 5-5 to rotate, thus realizes fixing bone pin (not shown) the most described guide rail
6 have certain angle.
A kind of Limb lengthening support that the present invention relates to, it can be according to different patients, and different demands changes fixing
The length of frame, fixes Limb lengthening support according to different angles, and regulation length, angle are the most accurate；Can also be suitable for various greatly
Little nail positions.
It addition, it also simplifies the frame for movement optimizing self, modularized design, reduce cost of manufacture, relatively alleviate
Overall weight.
It is pointed out that above-mentioned preferred embodiment is only technology design and the feature of the explanation present invention, its object is to
Allow person skilled in the art will appreciate that present disclosure and to implement according to this, the protection of the present invention can not be limited with this
Scope.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (10)
1. a Limb lengthening support；It is characterized in that, it includes that first connecting rod assembly, front end switching slide block assembly, tail end rotate
Slide block assembly and guide rail, wherein said guide rail is main support, described front end switching slide block assembly and tail end rotary slider group
Part slides and connects on described guide rail；Described first connecting rod assembly connects described front end switching slide block assembly and described tail end rotates
Slide block assembly, by regulating described first connecting rod assembly to described front end switching slide block assembly and described tail end rotary slider assembly
Carry out both position adjustments on described guide rail.
A kind of Limb lengthening support the most according to claim 1；It is characterized in that, wherein said first connecting rod assembly includes solid
Determining block, screw mandrel, outer bar and fixing bar, wherein said fixed block seals in described screw mandrel and can rotate around described screw mandrel；Described silk
Being provided with nut fixed block on bar, described outer bar is set in outside described screw mandrel；Described outer bar afterbody arranges block block and seals, described
Fixing bar is arranged in the cylindrical hole that described outer bar is concentric with described block block, and the lower end of described fixing bar is connected to described front end
On switching slide block assembly and described tail end rotary slider assembly；Realize described leading screw by stubborn described screw mandrel inner hexagonal hole and drive institute
State fixed block, the most described outer bar of nut fixed block indentation with away from, and then drive described front end switching slide block assembly and institute
State tail end rotary slider assembly and carry out both position adjustments on described guide rail.
A kind of Limb lengthening support the most according to claim 2；It is characterized in that, the hole on wherein said nut fixed block with
Hole alignment on described screw mandrel, is provided with elastic cylinder split pin in it.
A kind of Limb lengthening support the most according to claim 2；It is characterized in that, the head of wherein said screw mandrel is provided with locking
Ring.
A kind of Limb lengthening support the most according to claim 2；It is characterized in that, it also includes middle-end switching slide block assembly,
Wherein said middle-end switching slide block assembly slides and connects between described front end switching slide block assembly and tail end rotary slider assembly
Described guide rail on.
A kind of Limb lengthening support the most according to claim 5；It is characterized in that, it also includes the second connecting rod assembly, its
Described in head rod assembly connect described front end switching slide block assembly and described middle-end switching slide block assembly；Described second even
Extension bar assembly connects described middle-end switching slide block assembly and described tail end rotary slider assembly.
A kind of Limb lengthening support the most according to claim 5；It is characterized in that, wherein said second connecting rod assembly and institute
State head rod modular construction consistent.
A kind of Limb lengthening support the most according to claim 1；It is characterized in that, wherein said front end switching slide block assembly,
It includes pressing plate and unidirectional slide block, and wherein said pressing plate is connected by screw with unidirectional slide block, real by screwing described screw
Now nail is fixed.
A kind of Limb lengthening support the most according to claim 1；It is characterized in that, wherein said tail end rotary slider assembly bag
Including switching slide block, rotary pressure plate and steering block, wherein said switching slide block is arranged on described guide rail, and described rotary pressure plate is arranged
On described switching slide block, described steering block is arranged on described switching slide block, is used for described rotary pressure plate Dual positioning.
A kind of Limb lengthening support the most according to claim 9；It is characterized in that, wherein said tail end rotary slider assembly
Also including the swivel link being arranged on described rotary pressure plate, it includes being arranged on stretching on described swivel link and switching slide block
Contracting bar assembly, the indentation realizing described retractable rod by twisting the soket head cap screw on described retractable rod stretches out, thus
Controlling described swivel link drives described rotary pressure plate to rotate, and then realizes the most described guide rail of fixing bone pin and have certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700418.2A CN106308902B (en) | 2016-08-22 | 2016-08-22 | Bone extension support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700418.2A CN106308902B (en) | 2016-08-22 | 2016-08-22 | Bone extension support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106308902A true CN106308902A (en) | 2017-01-11 |
| CN106308902B CN106308902B (en) | 2020-05-01 |
Family
ID=57742566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610700418.2A Expired - Fee Related CN106308902B (en) | 2016-08-22 | 2016-08-22 | Bone extension support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106308902B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259836A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside belt pulley Limb lengthening device |
| CN109259837A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel rope sheave Limb lengthening device |
| CN109276301A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of electronic Limb lengthening device of the novel marrow combination of inner and outside |
| CN109276300A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside bevel gear Limb lengthening device |
| CN109276299A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of belt sheave Limb lengthening device |
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| CN1190574A (en) * | 1997-02-14 | 1998-08-19 | 奥叟菲克斯公司 | Orthopaedic device for gradual correction of limbs |
| CN102209499A (en) * | 2008-09-11 | 2011-10-05 | 奥瑟菲克斯有限公司 | Orthopaedic device to be associated with the outside of a bone |
| EP2392276A1 (en) * | 2010-06-03 | 2011-12-07 | Orthofix S.r.l. | Ankle clamp device to be affixed to an external fixation system |
| CN203436382U (en) * | 2013-07-17 | 2014-02-19 | 苏州爱得科技发展有限公司 | Wrist joint movable support |
| CN205697971U (en) * | 2016-03-16 | 2016-11-23 | 大博医疗科技股份有限公司 | A kind of bone carrying external fixer |
| CN206499520U (en) * | 2016-08-22 | 2017-09-19 | 苏州益诺斯医疗科技有限公司 | A kind of Limb lengthening support |
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2016
- 2016-08-22 CN CN201610700418.2A patent/CN106308902B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1190574A (en) * | 1997-02-14 | 1998-08-19 | 奥叟菲克斯公司 | Orthopaedic device for gradual correction of limbs |
| CN102209499A (en) * | 2008-09-11 | 2011-10-05 | 奥瑟菲克斯有限公司 | Orthopaedic device to be associated with the outside of a bone |
| EP2392276A1 (en) * | 2010-06-03 | 2011-12-07 | Orthofix S.r.l. | Ankle clamp device to be affixed to an external fixation system |
| CN203436382U (en) * | 2013-07-17 | 2014-02-19 | 苏州爱得科技发展有限公司 | Wrist joint movable support |
| CN205697971U (en) * | 2016-03-16 | 2016-11-23 | 大博医疗科技股份有限公司 | A kind of bone carrying external fixer |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259836A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside belt pulley Limb lengthening device |
| CN109259837A (en) * | 2018-08-09 | 2019-01-25 | 盐城日升月恒智能科技有限公司 | A kind of novel rope sheave Limb lengthening device |
| CN109276301A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of electronic Limb lengthening device of the novel marrow combination of inner and outside |
| CN109276300A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of novel marrow combination of inner and outside bevel gear Limb lengthening device |
| CN109276299A (en) * | 2018-08-09 | 2019-01-29 | 盐城日升月恒智能科技有限公司 | A kind of belt sheave Limb lengthening device |
| CN109259836B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined belt pulley bone lengthening device |
| CN109276301B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined electric bone lengthening device |
| CN109276299B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Belt pulley bone extension fixture |
| CN109276300B (en) * | 2018-08-09 | 2020-12-18 | 盐城日升月恒智能科技有限公司 | Intramedullary and extramedullary combined bevel gear bone lengthening device |
| CN109259837B (en) * | 2018-08-09 | 2021-01-01 | 盐城日升月恒智能科技有限公司 | Rope wheel bone extension fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106308902B (en) | 2020-05-01 |
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