CN208541391U - Self-adjustable outer fixed bone elongation pad - Google Patents
Self-adjustable outer fixed bone elongation pad Download PDFInfo
- Publication number
- CN208541391U CN208541391U CN201820077841.6U CN201820077841U CN208541391U CN 208541391 U CN208541391 U CN 208541391U CN 201820077841 U CN201820077841 U CN 201820077841U CN 208541391 U CN208541391 U CN 208541391U
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- motor
- self
- fixed
- adjustable outer
- bar
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 31
- 210000003746 feather Anatomy 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008667 sleep stage Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of self-adjustable outer fixed bone elongation pads, including two fixed rings, four motors are fixed on one side of the fixed ring far from fixed ring described in another, the output shaft of each motor is fixedly connected with motor lead screw, it is connected with four equally distributed extension screw rods between two fixed rings, hollow joint element for bar is equipped between the motor lead screw and the extension screw rod；The both ends of the joint element for bar are fixed with nut respectively, and the nut of described joint element for bar one end is threadedly coupled with the motor lead screw, and the nut of the other end is fixedly connected with the extension screw rod.The self-adjustable outer fixed bone elongation pad of the utility model, can be realized automatic adjustment, improves patient's usage comfort.
Description
Technical field
The utility model relates to the field of medical instrument technology, specifically, being related to a kind of self-adjustable outer fixed
Bone elongation pad.
Background technique
Bone elongation pad is a kind of bone pulling device, its working principle is that gradually applying pulling force for bone section using tensile stress rule
Slowly drawing, constantly stimulation body tissue, exciting human regeneration potential make osteotomy gap form new bone, reach regenerated
Purpose.Existing bone elongation pad, mechanical extension movement needs patient or doctor is subjective manually adjusts to transmit machine power,
Operating difficulties, management trouble.Existing bone elongation pad makes the compliance of patient without the Real-time Feedback of power during Limb lengthening
It is often difficult to ensure and sleep stage is hardly adjusted, extended speed and amplitude are difficult to accurately control, and will lead to bone often and prolong
There is blood supply insufficiency and soft tissue of joint damage in long area, and then postoperative be easy to appear cannot be neglected various complication, influence bone
Extended wholistic therapy effect, new pain is brought in patient, causes treatment cycle long.
Utility model content
The technical problem to be solved by the utility model is to provide one kind can be realized automatic adjustment, improves patient and uses
The self-adjustable outer fixed bone elongation pad of comfort level self power generation.
In order to solve the above technical problems, the technical solution of the utility model is:
Self-adjustable outer fixed bone elongation pad, including two fixed rings, a fixed ring is far from another
It is fixed with four motors on the side of the fixed ring, the output shaft of each motor is fixedly connected with motor lead screw, and two
It is connected with four equally distributed extension screw rods between a fixed ring, is equipped between the motor lead screw and the extension screw rod
Empty joint element for bar；
The both ends of the joint element for bar are fixed with nut, the nut of described joint element for bar one end and the motor silk respectively
Bar is threadedly coupled, and the nut of the other end is fixedly connected with the extension screw rod.
Preferably, sleeved mount is fixed in the fixed ring, the motor is fixedly mounted on the corresponding set
On cylinder fixing piece.
Preferably, the joint element for bar is equipped with feather key, is correspondingly provided with feather key on the inner wall of the sleeved mount
Slot.
It preferably, further include controller, the controller is electrically connected the driver of the motor.
Preferably, the extension lead screw is equipped with pressure sensor far from one end of the motor, the pressure sensor
Both ends are fixedly connected with the fixed ring of the extension screw rod and corresponding end respectively, and the pressure sensor is electrically connected the control
Device.
It preferably, further include monitor, the controller and the monitor communicate to connect.
Preferably, the controller is PLC or single-chip microcontroller.
Preferably, the motor is servo motor.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
The self-adjustable outer fixed bone elongation pad of the utility model, in use, can be by thin Kirschner wire by two
Fixed ring is fixed on limbs of patient region of elongation.The output shaft of driving motor rotates, and drives motor lead screw to generate rotary motion, pushes away
Lever connector generates linear motion close to the nut of motor side, drives extension screw rod for linear motion by joint element for bar, most
So that the fixed ring far from motor side is generated straight line eventually and extend movement, achievees the purpose that limb lengthening.Realize oneself of Limb lengthening process
Dynamicization is easy to carry, it can be achieved that 24 hours continuous automatic adjustable, registrations, curative for effect and safe and reliable.
The self-adjustable outer fixed bone elongation pad of the utility model extends between screw rod and the fixed ring of corresponding end
It is connected with pressure sensor, pressure sensor is electrically connected the controller.During pressure sensor real-time detection Limb lengthening
Applied force, Real-time Feedback to controller.
The self-adjustable outer fixed bone elongation pad of the utility model, pressure sensor are electrically connected controller, control
Device is electrically connected the driver of motor, and controller is electrically connected monitor, forms a real-time monitoring and regulating platform, realizes automatic real-time
Adjustment, real-time monitoring, and real-time display monitors.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the self-adjustable outer fixed bone elongation pad of the utility model；
Fig. 2 is the connection schematic diagram of the motor and extension screw rod in Fig. 1；
Fig. 3 is the control principle block diagram of the self-adjustable outer fixed bone elongation pad of the utility model；
In figure: 1- fixed ring；2- motor；3- sleeve fixing part；31- guide key groove；4- motor lead screw；5- nut；6- bar
Connector；61- feather key；7- extends screw rod；8- pressure sensor；9- controller；10- monitor；11- driver.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig.1, Fig. 2 and Fig. 3, the self-adjustable outer fixed bone elongation pad of the utility model, including two
Fixed ring 1, four motors 2 are fixed on a side of the fixed ring 1 far from another fixed ring 1, and motor 2 is positioning electricity
Machine, such as servo motor can be used.
The output shaft of each motor 2 is fixedly connected with motor lead screw 4, and four are connected between two fixed rings 1 and is uniformly divided
The extension screw rod 7 of cloth is equipped with hollow joint element for bar 6, the hollow cavity of joint element for bar 6 between motor lead screw 4 and extension screw rod 7
Internal diameter be greater than motor lead screw 4 end outer diameter and extend screw rod 7 outer end diameter, make end and the extension of motor lead screw 4
The end of screw rod 7 is inserted into.
The both ends of joint element for bar 6 are fixed with nut 5, the nut 5 and 4 screw thread of motor lead screw of 6 one end of joint element for bar respectively
Connection, the nut 5 of the other end are fixedly connected with screw rod 7 is extended.Motor 2, joint element for bar 6, extends the composition of screw rod 7 at motor lead screw 4
Straight line adjustment mechanism, straight line adjustment mechanism total quality is light, small in size, and high reliablity is easy for installation and maintenance.
Motor 2 can be used following manner and be mounted in fixed ring 1.Sleeved mount 3 is fixed in fixed ring 1, it is fixed
Four through-hole (not shown)s are opened up on the surface of ring 1, four through-holes are in 90 ° to be uniformly distributed, it is used for across joint element for bar 6,
It is in 90 ° around each through-hole to open four small through hole (not shown)s respectively again, for connecting sleeved mount 3.The fixed peace of motor 2
On corresponding sleeved mount 3.
It further include controller 9 and monitor 10, controller 9 is electrically connected the driver 11 of motor, controller 9 and monitor 10
Communication connection.
Extend lead screw 7 far from motor 2 one end be equipped with pressure sensor 8, the both ends of pressure sensor 8 respectively with extend silk
Bar 7 is fixedly connected with the fixed ring 2 of corresponding end, and pressure sensor 8 is electrically connected controller 9.
PLC or single-chip microcontroller can be used in controller.
The self-adjustable outer fixed bone elongation pad of the utility model, the driver 11 of external motor 2, driver 11
After powering on, driving motor 2 is started to work, and is generated rotary motion by motor lead screw 4, is pushed joint element for bar 6 close to 2 end of motor
Nut 5 generate linear motion, drive that extend screw rod 7 for linear motion by joint element for bar 6, finally make consolidating far from motor 2
Determine ring 2 and generate straight line extension movement, achievees the purpose that limb lengthening.Limb lengthening process automation may be implemented, 24 hours continuous
Adjustable, Real-time Feedback, registration is easy to carry, curative for effect and safe and reliable.The automatic adjustable outer fixation of the utility model
Maximal regulated line may be implemented in bone elongation pad: 40mm；Velocity interval: 0.1~1.5mm/ days；Frequency: 10~15HZ.
Joint element for bar 6 is equipped with feather key 61, is correspondingly provided with guide key groove 31 on the inner wall of sleeved mount 3.Bar connection
When part 6 and extension screw rod 7 move along a straight line, feather key 61 slides in guide key groove 31, for joint element for bar 6 and extends screw rod 7
Motion guide.
The driver 11 of motor 2 is using integrated, high subdivision when can guarantee that motor 2 works by being arranged, high-precision
With the characteristics such as reliability height.
Motor used in the utility model, the driver 11 of motor 2 and pressure sensor 8 are all to select light weight, body
The equipment that product is small, precision is high, stability is good and safe and reliable.
The above is the citing of the utility model preferred forms, wherein the part that do not address in detail is this field
The common knowledge of those of ordinary skill.The protection scope of the utility model is based on the contents of the claims, any to be based on this reality
The equivalent transformation carried out with novel technical inspiration, is also within the protection scope of the utility model.
Claims (8)
1. a kind of self-adjustable outer fixed bone elongation pad, including two fixed rings, it is characterised in that: a fixation
Ring is fixed with four motors on the side far from fixed ring described in another, the output shaft of each motor is fixedly connected with
Motor lead screw is connected with four equally distributed extension screw rods, the motor lead screw and the extension silk between two fixed rings
Hollow joint element for bar is equipped between bar；
The both ends of the joint element for bar are fixed with nut, the nut of described joint element for bar one end and the motor lead screw spiral shell respectively
Line connection, the nut of the other end are fixedly connected with the extension screw rod.
2. self-adjustable outer fixed bone elongation pad according to claim 1, it is characterised in that: in the fixed ring
It is fixed with sleeved mount, the motor is fixedly mounted on the corresponding sleeved mount.
3. self-adjustable outer fixed bone elongation pad according to claim 2, it is characterised in that: the joint element for bar
It is equipped with feather key, is correspondingly provided with guide key groove on the inner wall of the sleeved mount.
4. self-adjustable outer fixed bone elongation pad according to any one of claims 1 to 3, it is characterised in that: also
Including controller, the controller is electrically connected the driver of the motor.
5. self-adjustable outer fixed bone elongation pad according to claim 4, it is characterised in that: the extension lead screw
One end far from the motor is equipped with pressure sensor, the both ends of the pressure sensor respectively with the extension screw rod and corresponding
The fixed ring at end is fixedly connected, and the pressure sensor is electrically connected the controller.
6. self-adjustable outer fixed bone elongation pad according to claim 5, it is characterised in that: further include monitoring
Device, the controller and the monitor communicate to connect.
7. self-adjustable outer fixed bone elongation pad according to claim 6, it is characterised in that: the controller is
PLC or single-chip microcontroller.
8. self-adjustable outer fixed bone elongation pad according to claim 7, it is characterised in that: the motor is to watch
Take motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077841.6U CN208541391U (en) | 2018-01-17 | 2018-01-17 | Self-adjustable outer fixed bone elongation pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820077841.6U CN208541391U (en) | 2018-01-17 | 2018-01-17 | Self-adjustable outer fixed bone elongation pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208541391U true CN208541391U (en) | 2019-02-26 |
Family
ID=65417121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820077841.6U Expired - Fee Related CN208541391U (en) | 2018-01-17 | 2018-01-17 | Self-adjustable outer fixed bone elongation pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208541391U (en) |
-
2018
- 2018-01-17 CN CN201820077841.6U patent/CN208541391U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190226 |