CN209529305U - A kind of controllable automatic micro-displacement type bone Filtting device - Google Patents
A kind of controllable automatic micro-displacement type bone Filtting device Download PDFInfo
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- CN209529305U CN209529305U CN201821476920.0U CN201821476920U CN209529305U CN 209529305 U CN209529305 U CN 209529305U CN 201821476920 U CN201821476920 U CN 201821476920U CN 209529305 U CN209529305 U CN 209529305U
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- fixed link
- guide rail
- bone
- driver
- fixed
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Abstract
The utility model discloses a kind of controllable automatic micro-displacement type bone Filtting devices, it include: to move frame, including the first fixed link, the second fixed link, guide rail pole and mobile bar, the both ends of guide rail pole respectively with the first fixed link and the second fixed link is adjustable is fixedly connected, one end of mobile bar is moveably mounted on guide rail pole, and the other end with the end at bone defect for connecting；Driver, including fixing end and driving end, fixing end are fixed on guide rail pole, and driving end is fixedly connected with mobile bar；And controller, it is connect with driver signal.Mobile bar is driven to drive the end at bone defect mobile due to controlling driver by controller, manual actuation is replaced by automation driving, higher drive displacement precision can be achieved, and automating driving can be achieved average rate driving, primary manual actuation amount of tension is elongated to the dynamic stretching of the average rate micro-shifting in a Long time scale, the feeling of pain of patient is reduced, and there is better therapeutic effect.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to the controllable automatic micro-displacement type bone of one kind moves dress
It sets.
Background technique
Russia's orthopedist Jia Ayilizha love (llizarov) is through long term test and clinical discovery, the bone of people
Just as the intracorporal connective tissue of people, epithelial tissue, there is very big regeneration and very big plasticity, its development of doctor to master
Bone can be made to grow or shorten according to the wish of doctor to a certain extent with certain medical procedure with growth rhythm, thus
Make the finger lost by wound, toe etc. " lost and found again ".Correct certain congenital lack of human body such as with acquired deformity
And reparation.He furthers investigate technology and theory with the time in more than ten years, ultimately forms of drawing property regeneration
Power-stress rule.Its orthopedic surgical technique and distraction osteogenesis theory, in being described as in orthopaedics development history newly by international orthopedics circle
Journey upright stone tablet.
Tension-stress rule is the core theory of Ilizarov technology, and theoretical research discovery biological tissue is slowly led
Certain tension can be generated when drawing, can stimulate regeneration and active growth.Its growth pattern is thin as fetal tissue
Born of the same parents' division.The bone of people has very big regeneration potential and plasticity as the epithelial tissue of human body, connective tissue.To bone
Muscle, fascia, blood vessel, the nerve of bone one suitable stress drawing, bone and its attachment will synchronous growths.
Row bone moves the treatment axle center Shi Keyong outrigger or eccentric outrigger, and each segment of bone is fixed using external fixator,
In treatment bone section one end, minimally invasive osteotomy is carried out, is slowly pulled daily, main points are daily 0.75-1mm, point 4 extensions, fixed
Phase wound and screw way nursing, middle and later periods close observation suffering limb blood circulation, movement and feeling.
Bone Filtting device is often used when clinical treatment large segmental bone defect.When being treated with the technology, need patient oneself every
One spiral shell knob of its timing rotation, rotation makes the distance between two instruments stretch 0.75-1 millimeters every time, actually makes patient
Distance between fractured bone stretches 0.75-1 millimeters.Patient has certain feeling of pain, the precision that patient manually adjusts when operating in this way
Also low, influence rehabilitation progress.
Summary of the invention
The application provides that a kind of precision is high, capable of mitigating feeling of pain, therapeutic effect, good controllable automatic micro-displacement type bone is removed
Moving device.
A kind of controllable automatic micro-displacement type bone Filtting device is provided in a kind of embodiment, comprising:
Frame, including the first fixed link, the second fixed link, guide rail pole and mobile bar are moved, the first fixed link and second are fixed
Bar is used to be separately fixed at the both ends of bone, and the both ends of guide rail pole are adjustable solid with the first fixed link and the second fixed link respectively
Fixed connection, and be arranged in parallel with bone, one end of mobile bar is moveably mounted on guide rail pole, and the other end is used for and bone defect
The end at place connects；
Driver, including fixing end and driving end, fixing end are fixed on guide rail pole, and driving end and mobile bar are fixed and connected
It connects；
And controller, it is connect with driver signal, the driving end for controlling driver drives mobile bar mobile.
Further, driver is micro-displacement driver.
Further, the first fixed link, the second fixed link, guide rail pole and mobile bar all have two disposed in parallel, and two
The both ends of root guide rail pole respectively with two first fixed links and the second fixed link is adjustable is fixedly connected, between two mobile bars
It is connected by connecting rod.
Further, it is fixedly connected between two mobile bars by the connecting rod intersected.
Further, it is fixedly connected between two mobile bars by the way that two parallel connecting rods are adjustable.
Further, the fixing end of driver is fixed on two guide rail poles, and end is driven to connect with two mobile bars.
Further, it is fixedly connected between the first fixed link, the second fixed link and guide rail pole by the way that adjusting block is adjustable.
Further, adjusting block has two through-holes intersected, and sets that there are two the lockings that connect respectively with two through-holes
Part, adjusting block adjust spacing and two guide rails between the first fixed link and the second fixed link by the release and locking of locking piece
Spacing between bar.
According to the controllable automatic micro-displacement type bone Filtting device of above-described embodiment, due to controlling driver by controller
It drives mobile bar to drive the end at bone defect mobile, replaces manual actuation, it can be achieved that higher driving by automation driving
Displacement accuracy, and automate driving and average rate driving can be achieved, primary manual actuation amount of tension is elongated to a long-time
The dynamic stretching of average rate micro-shifting in range, reduces the feeling of pain of patient, and have better therapeutic effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic micro-displacement type bone Filtting device controllable in the present embodiment.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
Present embodiments provide a kind of controllable automatic micro-displacement type bone Filtting device, this controllable automatic micro-displacement type bone
Filtting device is mainly used for treating the healing of large segmental bone defect.The present embodiment is said for treating shin bone large segmental bone defect
Bright, this controllable automatic micro-displacement type bone Filtting device can also carry out displacement to other bones and stretch treatment.
As shown in Figure 1, the controllable automatic micro-displacement type bone Filtting device of the present embodiment includes moving frame 1,2 and of driver
Controller 3 is moved frame 1 and is mounted on shin bone 4, and driver 2, which is mounted on, to be moved on frame 1, and is connect with 3 signal of controller, control
Device 3 controls driver 2 and drives the partial movement for moving the drive shin bone 4 of frame 1, stretches treatment to realize.
Move frame 1 include the first fixed link 11, the second fixed link 12, guide rail pole 13 and mobile bar 14, the first fixed link 11,
Second fixed link 12, guide rail pole 13 and mobile bar 14 all have two disposed in parallel.Two first fixed links 11 and second are solid
Fixed pole 12 is separately fixed at the both ends of shin bone 4, and the both ends of two guide rail poles 13 are adjustable respectively to be fixed on two first fixations
On bar 11 and the second fixed link 12, guide rail pole 13 is arranged in parallel with shin bone 4, and the first fixed link 11 and the second fixed link 12 play installation
Fixed effect.One end of two mobile bars 14 is removable to be connect with two guide rail poles 13, the defect point of the other end and shin bone 4
End 41 connects, and the end that two mobile bars 14 are connect with guide rail pole 13 is fixed together by the connecting rod intersected.
In other embodiments, two mobile bars 14 and the end that guide rail pole 13 connects are adjustable by two parallel connecting rods
The spacing between two mobile bars 14 is adjusted in the connection of section, treated with being suitable for the installation of different bone lengths.
It in the present embodiment, is connected, is adjusted by adjusting block 15 between the first fixed link 11, the second fixed link 12 and guide rail pole 13
The through-hole there are two right-angled intersection is set in locking nub 15, and is equipped with locking piece, and locking piece may extend in through-hole, such as locking piece is
Guide rail pole 13 is fixed in the first fixed link 11 or the second fixed link 12 by screw, adjusting block 15, and by adjusting block 15
Locking piece adjusts the spacing between spacing and the first fixed link 11 and the second fixed link 12 between two guide rails, to be suitable for not
The installation treatment of same bone length.In other embodiments, connection and the device adjusted can also replace adjusting by other
Locking nub 15.
In the present embodiment, driver 2 is micro-displacement driver, such as piezoelectric micro-displacement actuator.Driver 2 includes
Fixing end and driving end, the fixing end of driver 2 are fixed on guide rail pole 13, and the driving end of driver 2 is connect with guide rail pole 13,
In order to improve the stability of driving, the fixing end of driver 2 is mounted on two guide rail poles 13 simultaneously, the driving end of driver 2
It is connect simultaneously with two guide rail poles 13.
Controller 3 is connect by conducting wire with 2 signal of driver, and controller 3 is used to control the displacement of the output end of driver 2
Time and displacement, to realize that precise displacement exports.
In the present embodiment, shin bone needs to elongate daily 0.75-1 millimeters or honor doctor's advice determines specific length, and controller 3 is controlled
For driver 2 processed with the speed Uniform Tension of 0.5-0.7 [mu, then the distance stretched in 1 day is 0.72-1.008 millimeters,
Honor doctor's advice determines specific tensile speed in example operation.The tensile speed and stretching time of driver 2 can be required according to treatment
Setting.
Controllable automatic micro-displacement type bone Filtting device provided in this embodiment, due to controlling driver 2 by controller 3
It drives mobile bar 14 to drive the end 41 at bone defect mobile, replaces manual actuation, it can be achieved that higher by automation driving
Drive displacement precision, and automate driving and average rate driving can be achieved, primary manual actuation amount of tension is elongated to one long
The dynamic stretching of average rate micro-shifting in time range, reduces the feeling of pain of patient, and have better therapeutic effect.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (7)
1. a kind of controllable automatic micro-displacement type bone Filtting device characterized by comprising
Frame, including the first fixed link, the second fixed link, guide rail pole and mobile bar are moved, first fixed link and second are fixed
Bar is used to be separately fixed at the both ends of bone, and the both ends of the guide rail pole respectively can with first fixed link and the second fixed link
What is adjusted is fixedly connected, and is arranged in parallel with bone, and one end of the mobile bar is moveably mounted on the guide rail pole, separately
One end with the end at bone defect for connecting；First fixed link, the second fixed link, guide rail pole and mobile bar all have flat
Row setting two, the both ends of two guide rail poles respectively with two first fixed links and the adjustable fixation of the second fixed link
It connects, passes through connecting rod between two mobile bars and connect;
Driver, including fixing end and driving end, the fixing end are fixed on the guide rail pole, the driving end and the shifting
Lever is fixedly connected；
And controller, it is connect with the driver signal, the driving end for controlling the driver drives mobile bar mobile.
2. controllable automatic micro-displacement type bone Filtting device as described in claim 1, which is characterized in that the driver is micro-
Displacement driver.
3. controllable automatic micro-displacement type bone Filtting device as claimed in claim 2, which is characterized in that two mobile bars
Between by intersect connecting rod be fixedly connected.
4. controllable automatic micro-displacement type bone Filtting device as claimed in claim 3, which is characterized in that two mobile bars
Between be fixedly connected by the way that two parallel connecting rods are adjustable.
5. controllable automatic micro-displacement type bone Filtting device as described in claim 3 or 4, which is characterized in that the driver
Fixing end be fixed on two guide rail poles, and end is driven to connect with two mobile bars.
6. controllable automatic micro-displacement type bone Filtting device as claimed in claim 5, which is characterized in that described first is fixed
It is fixedly connected between bar, the second fixed link and guide rail pole by the way that adjusting block is adjustable.
7. controllable automatic micro-displacement type bone Filtting device as claimed in claim 6, which is characterized in that the adjusting block has
Two through-holes intersected, and set there are two the locking piece being connect respectively with two through-holes, the pine that the adjusting block passes through locking piece
Open and lock the spacing between the tight spacing adjusted between the first fixed link and the second fixed link and two guide rail poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476920.0U CN209529305U (en) | 2018-09-10 | 2018-09-10 | A kind of controllable automatic micro-displacement type bone Filtting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476920.0U CN209529305U (en) | 2018-09-10 | 2018-09-10 | A kind of controllable automatic micro-displacement type bone Filtting device |
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| Publication Number | Publication Date |
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| CN209529305U true CN209529305U (en) | 2019-10-25 |
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|---|---|---|---|
| CN201821476920.0U Expired - Fee Related CN209529305U (en) | 2018-09-10 | 2018-09-10 | A kind of controllable automatic micro-displacement type bone Filtting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021115418A1 (en) * | 2019-12-13 | 2021-06-17 | The University Of Hong Kong | Motor-driven fixator to apply micromotion to fracture site to accelerate bone healing |
-
2018
- 2018-09-10 CN CN201821476920.0U patent/CN209529305U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021115418A1 (en) * | 2019-12-13 | 2021-06-17 | The University Of Hong Kong | Motor-driven fixator to apply micromotion to fracture site to accelerate bone healing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20200910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |