CN109771117A - Bone distraction device - Google Patents
Bone distraction device Download PDFInfo
- Publication number
- CN109771117A CN109771117A CN201910156501.1A CN201910156501A CN109771117A CN 109771117 A CN109771117 A CN 109771117A CN 201910156501 A CN201910156501 A CN 201910156501A CN 109771117 A CN109771117 A CN 109771117A
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- layer sleeve
- ball
- distraction device
- shell
- bone distraction
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- Orthopedics, Nursing, And Contraception (AREA)
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Abstract
The invention discloses a kind of bone distraction devices, it includes traction component, the traction component includes drive lead screw, outer layer sleeve, middle layer sleeve and inner layer sleeve, the outer layer sleeve is sheathed on the middle layer sleeve, and the middle layer sleeve being capable of the rotary motion in the outer layer sleeve, the inner layer sleeve is connected by key in the middle layer sleeve, and the inner layer sleeve can relatively move in the middle layer sleeve along the length direction of the inner layer sleeve, the drive lead screw is meshed with the inner wall of the inner layer sleeve.Bone distraction device of the invention drives the movement of inner layer sleeve by rotary drive screw rod, and degree of regulation is high, and adjusts easy to operate.Meanwhile inner layer sleeve is able to drive by middle layer sleeve and realizes that the movement of interior outward turning is adjusted, applied widely, clinical effectiveness is good.
Description
Technical field
The present invention relates to a kind of medical auxiliary equipment, in particular to a kind of bone distraction device.
Background technique
Bone traction is reset, fixation and the treatment method of many other orthopaedic disease one of of the orthopaedics for fracture, in hip
Important function is also functioned in portion's operation.Existing hitch frame needs to adjust hitch frame and operating bed ontology according to patient's leg length
Distance, there are artificial mechanisms to operate the problems such as laborious and traction effect is poor, brings many inconvenience, and current hitch frame to operation
Do not have the inside and outside of patient legs and tune section, is unable to satisfy clinical actual demand.
Summary of the invention
The technical problem to be solved by the present invention is to the operation of existing hitch frame is laborious and traction effect is poor in order to overcome, do not have
The inside and outside defect for tuning section, provides a kind of bone distraction device.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of bone distraction device, it is characterized in that comprising traction component, the traction component include drive lead screw,
Outer layer sleeve, middle layer sleeve and inner layer sleeve, the outer layer sleeve is sheathed on the middle layer sleeve, and the middle layer sleeve can
The rotary motion in the outer layer sleeve, the inner layer sleeve are connected by key in the middle layer sleeve, and the inner layer sleeve
It can be relatively moved in the middle layer sleeve along the length direction of the inner layer sleeve, the drive lead screw and the internal layer set
The inner wall of cylinder is meshed.
In the present solution, form using the above structure, is able to drive inner layer sleeve along internal layer set by rotary drive screw rod
The length direction linear movement of cylinder realizes that the outreach of bone distraction device or interior receipts are adjusted, and degree of regulation is high, and adjusts operation
It is convenient.
In addition, by the rotary motion in outer layer sleeve of middle layer sleeve, middle layer sleeve is able to drive inner layer sleeve by key
Also rotary motion is realized together, to realize the movement regulatory function to outward turning in inner layer sleeve, applied widely, clinical effectiveness
It is good.
Preferably, the guide groove of the length direction extension along the middle layer sleeve is offered on the middle layer sleeve, it is described
The outer peripheral surface of inner layer sleeve is equipped with keyway, and the key is inserted in the keyway, and the key is slidedly arranged on the guide groove.
In the present solution, form, guide groove play guiding role using the above structure, enable inner layer sleeve when adjusting
Enough length directions along middle layer sleeve move, and effectively prevent inner layer sleeve and generate offset inconsistent phenomenon, improve orthopaedics traction
The degree of regulation and stability of device.
Preferably, the inner wall of the inner layer sleeve has internal thread part, the drive lead screw is passed through and is threadedly connected to
The internal thread part.
Preferably, the outer layer sleeve is equipped with locking knob, the locking knob is used to be resisted against the middle layer sleeve,
To limit middle layer sleeve rotary motion in the outer layer sleeve.
In the present solution, form using the above structure, fixed to middle layer sleeve lock by locking knob, to prevent middle layer
Sleeve and inner layer sleeve generate interior outward turning campaign, ensure that the reliability of bone distraction device.
Preferably, the traction component further includes that have further include first handle and second handle, the first handle connection
In the middle layer sleeve, the second handle passes through the first handle and is connected to the drive lead screw.
It is easy to operate adjusting in the present solution, form using the above structure, it improves work efficiency.
Preferably, the bone distraction device further includes having leg bar assembly, the traction component is slidedly arranged on the leg bar group
Part, and the material of the leg bar assembly is carbon fiber.
In the present solution, form using the above structure, is slid in leg bar assembly by traction component, orthopaedics is led in realization
The coarse adjustment of leading-in device improves the working efficiency of bone distraction device.
In addition, bone distraction device light of C-arm in carrying out surgical procedure is transmissive to leg bar assembly, use is more square
Just.
Preferably, the traction component further includes sliding rail, sliding block, clamping block and support base, the both ends point of the support base
It is not connected to the sliding block and the outer layer sleeve, the sliding rail is connected to the leg bar assembly, and the sliding block is slidedly arranged on described
Sliding rail, the clamping block is connected to the sliding block and for being resisted against the sliding rail, to limit the sliding block on the sliding rail
It is mobile.
In the present solution, form using the above structure, makes sliding block is locked can not move on the slide rail by clamping block
It is dynamic, it ensure that the reliability of bone distraction device, meanwhile, structure is simple, and operation is simple and reliable.
Preferably, the bone distraction device further includes having ball-joint component, the ball-joint component includes sphere, shell
Body, ball briquetting, one end of the sphere are used to be connected with external operating bed, and the other end of the sphere is set to the shell
It can be rotated in vivo and in the shell, the leg bar assembly is connected to the shell, and the ball briquetting is set to described
It can move in shell and in the shell, so that the ball-joint component switches between locking state and adjustment state；
Wherein, when the ball-joint component is in the locking state, the ball briquetting tight against the sphere,
To prevent the sphere from rotating in the shell；
When the ball-joint component is in the adjustment state, no longer closely supported between the ball briquetting and the sphere
It leans on, the sphere can be rotated in the shell.
Appoint in the present solution, form using the above structure, realizing the upper lift of traction component by ball-joint component, having a down dip etc.
The movement for angle of anticipating is adjusted, and applied widely, clinical effectiveness is good, ensure that the reliability of bone distraction device.
Preferably, the ball-joint component further includes having ball end nut seat and ball end screw rod, the ball end nut seat connection
In the shell, ball end screw rod passes through and is threadedly connected to the ball end nut seat, and ball end screw rod is connected to institute
State ball briquetting.
In the present solution, form using the above structure will drive ball briquetting can be along close by the rotation of ball end screw rod
Perhaps far from sphere to realize the locking state or adjustment state of ball-joint component.Structure is simple, easy to operate.
Preferably, the leg bar assembly includes carbon fiber pipe and carbon fiber swingle, the carbon fiber pipe is connected to institute
Shell is stated, the carbon fiber swingle passes through the carbon fiber pipe and is connected to ball end screw rod, the carbon fiber swingle
It being capable of the rotary motion in the carbon fiber pipe.
In the present solution, form using the above structure, will drive the rotation of ball end screw rod by rotation carbon fiber swingle, from
And realize to the locking state of ball-joint component or the adjusting of adjustment state, it is easy to use.
Preferably, having limiting groove on the sphere, the limiting groove is located in the shell, the ball-joint group
Part further includes having guider screw, and the guider screw is connected to the shell and is slidedly arranged in the limiting groove.
In the present solution, form, limiting groove have guide and limit effect, are being limited by guider screw using the above structure
Position groove is mobile, so that leg bar assembly can only realize the adjusting lifted or had a down dip, adjusts quickly and stablizes；Meanwhile structure letter
It is single.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
Bone distraction device of the invention drives the movement of inner layer sleeve by rotary drive screw rod, and degree of regulation is high,
And it adjusts easy to operate.Meanwhile inner layer sleeve is able to drive by middle layer sleeve and realizes that the movement of interior outward turning is adjusted, the scope of application
Extensively, clinical effectiveness is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bone distraction device of the embodiment of the present invention.
Fig. 2 is the schematic diagram of internal structure of the traction component of the bone distraction device of the embodiment of the present invention.
Fig. 3 is the schematic diagram of internal structure of the ball-joint component of the bone distraction device of the embodiment of the present invention.
Description of symbols:
Traction component 1
Outer layer sleeve 11
Locking knob 111
Middle layer sleeve 12
Guide groove 121
Inner layer sleeve 13
Keyway 131
Internal thread part 132
Drive lead screw 14
First handle 15
Second handle 16
Sliding rail 17
Sliding block 18
Support base 19
Leg bar assembly 2
Carbon fiber pipe 21
Carbon fiber swingle 22
Ball-joint component 3
Sphere 31
Limiting groove 311
Shell 32
Ball briquetting 33
Ball end nut seat 34
Ball end screw rod 35
Guider screw 36
Specific embodiment
Illustrate below by the mode of embodiment and completely the present invention in conjunction with attached drawing to become apparent from, but therefore not incite somebody to action this
It invents among the scope of embodiments being limited in.
As shown in Figure 1, Figure 2 and Figure 3, the bone distraction device of the embodiment of the present invention it include traction component 1, traction component
1 includes drive lead screw 14, outer layer sleeve 11, middle layer sleeve 12 and inner layer sleeve 13, and outer layer sleeve 11 is sheathed on middle layer sleeve 12,
And middle layer sleeve 12 can the rotary motion in outer layer sleeve 11, inner layer sleeve 13 is connected by key in middle layer sleeve 12, and interior
Layer sleeve 13 the interior length direction along inner layer sleeve 13 of sleeve 12 can relatively move in middle level, drive lead screw 14 and inner layer sleeve
13 inner wall is meshed.It is straight along the length direction of inner layer sleeve 13 that inner layer sleeve 13 is able to drive by rotary drive screw rod 14
Line is mobile, realizes that the outreach of bone distraction device or interior receipts are adjusted, degree of regulation is high, and adjusts easy to operate.Meanwhile passing through
The rotary motion in outer layer sleeve 11 of middle layer sleeve 12, middle layer sleeve 12 are able to drive inner layer sleeve 13 by key and also realize together
Rotary motion, to realize that applied widely, clinical effectiveness is good to the movement regulatory function of outward turning in inner layer sleeve 13.
The guide groove 121 of the length direction extension along middle layer sleeve 12 is offered on middle layer sleeve 12, inner layer sleeve 13
Outer peripheral surface is equipped with keyway 131, and key is inserted in keyway 131, and key is slidedly arranged on guide groove 121.Guide groove 121 plays guiding and makees
With enabling inner layer sleeve 13 to move when adjusting along the length direction of middle layer sleeve 12, the length direction of middle layer sleeve 12
Identical as the length direction of inner layer sleeve 13, inner layer sleeve 13 needs inside and outside when tuning section, is supported by the inner wall of guide groove 121
By acting on key, it will 13 rotary motion of inner layer sleeve is driven, to realize adjusting.Inner layer sleeve 13 needs outreach or interior
When receiving adjusting, by rotary drive screw rod 14, so that key moves in guide groove 121, the generation of inner layer sleeve 13 is effectively prevented
Inconsistent phenomenon is deviated, the degree of regulation and stability of bone distraction device are improved.
The inner wall of inner layer sleeve 13 has internal thread part 132, and drive lead screw 14 passes through and is threadedly connected to internal thread part
132.Drive lead screw 14 and internal thread part 132 are intermeshed, and pass through the rotary motion of drive lead screw 14, it will drive internal thread part
132 move along its length, to realize the adjusting of bone distraction device, structure is simple, and adjusting is easy to operate, and stabilization can
By property height.
Outer layer sleeve 11 is equipped with locking knob 111, and locking knob 111 is for being resisted against middle layer sleeve 12, in limitation
The layer rotary motion in outer layer sleeve 11 of sleeve 12.When rotation locking knob 111 and by locking knob 111 tight against middle layer
When on the outer peripheral surface of sleeve 12, middle layer sleeve 12 will not be in rotary motion in outer layer sleeve 11, by rotating locking knob 111
Middle layer sleeve 12 is locked, so that middle layer sleeve 12 and inner layer sleeve 13 be prevented to generate interior outward turning campaign, ensure that orthopaedics is led
The reliability of leading-in device；When rotation locking knob 111 and locking knob 111 is no longer abut against in the outer of middle layer sleeve 12
When circumferential surface, middle layer sleeve 12 can be realized inside and outside tune section at this time.
Traction component 1 further includes that have further include first handle 15 and second handle 16, and first handle 15 is connected to middle layer set
Cylinder 12, second handle 16 pass through first handle 15 and are connected to drive lead screw 14.By rotating first handle 15, it will in drive
Layer sleeve 12 and inner layer sleeve 13 is inside and outside together tunes section；By rotating second handle 16, it will drive drive lead screw 14 to rotate,
It is drawn again after outreach or interior receipts are adjusted so that inner layer sleeve 13 is realized.It adjusts easy to operate, improves work efficiency.
Wherein, it can be equipped with bearing between outer layer sleeve 11 and middle layer sleeve 12, also be provided between middle layer sleeve 12 and inner layer sleeve 13
Bearing also is provided with bearing between first handle 15 and second handle 16.
Bone distraction device further includes having leg bar assembly 2, and traction component 1 is slidedly arranged on leg bar assembly 2.Pass through traction component 1
It is slid in leg bar assembly 2, realizes coarse adjustment to bone distraction device, later again by rotary drive screw rod 14, in drive
Layer sleeve 13 moves along a straight line along its length to realize thin tuning, improves the working efficiency of bone distraction device.
The material of leg bar assembly 2 is carbon fiber.The X-ray of C-arm can be saturating in carrying out surgical procedure for bone distraction device
Leg bar assembly 2 is penetrated, it is more convenient to use.
Traction component 1 further includes sliding rail 17, sliding block 18, clamping block and support base 19, and the both ends of support base 19 are separately connected
In sliding block 18 and outer layer sleeve 11, sliding rail 17 is connected to leg bar assembly 2, and sliding block 18 is slidedly arranged on sliding rail 17, and clamping block is connected to cunning
Block 18 simultaneously is used to be resisted against sliding rail 17, is moved with limiting sliding block 18 on sliding rail 17.Traction component 1 is when needing coarse adjustment, rotation
Turning clamping block is no longer abut against clamping block in sliding rail 17, and sliding block 18 can realize mobile adjusting on sliding rail 17 at this time；?
After being adjusted in place, rotation locking block makes clamping block be resisted against sliding rail 17, can not be on sliding rail 17 so that sliding block 18 is locked
It is mobile, it ensure that the reliability of bone distraction device, meanwhile, structure is simple, and operation is simple and reliable.
Bone distraction device further includes having ball-joint component 3, and ball-joint component 3 includes sphere 31, shell 32, ball briquetting
33, one end of sphere 31 is used to be connected with external operating bed, and the other end of sphere 31 is set in shell 32 and can be
It can be rotated in shell 32, leg bar assembly 2 is connected to shell 32, and ball briquetting 33 is set in shell 32 and can transport in shell 32
It is dynamic, so that ball-joint component 3 switches between locking state and adjustment state；Wherein, when ball-joint component 3 is in locking state
When, ball briquetting 33 is tight against sphere 31, to prevent sphere 31 from rotating in shell 32；It is adjusted when ball-joint component 3 is in
When state, no longer tight abutment, sphere 31 can be rotated in shell 32 between ball briquetting 33 and sphere 31.In ball-joint group
Part 3 is in adjustment state, and sphere 31 can be rotated in shell 32, realizes that the upper lift of traction component 1, any angles such as have a down dip
Movement adjust, applied widely, clinical effectiveness is good.After adjusting in place, by ball briquetting 33 tight against sphere 31, so that
Ball-joint component 3 is in locking state, ensure that the reliability of bone distraction device.
Ball-joint component 3 further includes having ball end nut seat 34 and ball end screw rod 35, and ball end nut seat 34 is connected to shell 32,
Ball end screw rod 35 passes through and is threadedly connected to ball end nut seat 34, and ball end screw rod 35 is connected to ball briquetting 33.Pass through ball end spiral shell
The rotation of bar 35, so that ball end screw rod 35 can move on ball end nut seat 34 along the length direction of ball end screw rod 35, by band
Dynamic ball briquetting 33 can be moved along the direction close to or far from sphere 31, thus realize ball-joint component 3 locking state or
Person's adjustment state.Structure is simple, easy to operate.
Leg bar assembly 2 includes carbon fiber pipe 21 and carbon fiber swingle 22, and carbon fiber pipe 21 is connected to shell 32, carbon fiber
Dimension swingle 22 passes through carbon fiber pipe 21 and is connected to ball end screw rod 35, and carbon fiber swingle 22 can be in 21 inward turning of carbon fiber pipe
Transhipment is dynamic.Traction component 1 is arranged on the outer peripheral surface of carbon fiber pipe 21, ball end will be driven by rotation carbon fiber swingle 22
Screw rod 35 rotates, thus realize to the locking state of ball-joint component 3 or the adjusting of adjustment state, it is easy to use.Wherein, carbon
One end of fiber swingle 22 is connected to ball end screw rod 35, and the other end of carbon fiber swingle 22 can be equipped with rotating handle, make
With more convenient.
There is limiting groove 311, limiting groove 311 is located in shell 32, and ball-joint component 3 further includes leading on sphere 31
To screw 36, guider screw 36 is connected to shell 32 and is slidedly arranged in limiting groove 311.Limiting groove 311 has guide and limit
Effect, limiting groove 311 are extended on sphere 31 along the length direction of leg bar assembly 2, are being limited by guider screw 36
Groove 311 is mobile, so that leg bar assembly 2 can only realize the adjusting lifted or had a down dip, adjusts quickly and stablizes；Meanwhile structure
Simply.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (11)
1. a kind of bone distraction device, which is characterized in that it includes traction component, and the traction component includes drive lead screw, outer
Layer sleeve, middle layer sleeve and inner layer sleeve, the outer layer sleeve are sheathed on the middle layer sleeve, and the middle layer sleeve can be
Rotary motion in the outer layer sleeve, the inner layer sleeve are connected by key in the middle layer sleeve, and the inner layer sleeve energy
It is enough to be relatively moved in the middle layer sleeve along the length direction of the inner layer sleeve, the drive lead screw and the inner layer sleeve
Inner wall be meshed.
2. bone distraction device as described in claim 1, which is characterized in that offer on the middle layer sleeve along the middle layer
The outer peripheral surface of the guide groove that the length direction of sleeve extends, the inner layer sleeve is equipped with keyway, and the key is inserted in the keyway
It is interior, and the key is slidedly arranged on the guide groove.
3. bone distraction device as described in claim 1, which is characterized in that the inner wall of the inner layer sleeve has internal screw thread
Portion, the drive lead screw pass through and are threadedly connected to the internal thread part.
4. bone distraction device as described in claim 1, which is characterized in that the outer layer sleeve is equipped with locking knob, institute
Locking knob is stated for being resisted against the middle layer sleeve, to limit middle layer sleeve rotary motion in the outer layer sleeve.
5. bone distraction device as described in claim 1, which is characterized in that the traction component further includes that have further include first
Handle and second handle, the first handle are connected to the middle layer sleeve, and the second handle passes through the first handle simultaneously
It is connected to the drive lead screw.
6. bone distraction device as described in claim 1, which is characterized in that the bone distraction device further includes having leg bar group
Part, the traction component is slidedly arranged on the leg bar assembly, and the material of the leg bar assembly is carbon fiber.
7. bone distraction device as claimed in claim 6, which is characterized in that the traction component further includes sliding rail, sliding block, lock
Determine block and support base, the both ends of the support base are connected to the sliding block and the outer layer sleeve, and the sliding rail is connected to
The leg bar assembly, the sliding block are slidedly arranged on the sliding rail, and the clamping block is connected to the sliding block and is used to be resisted against described
Sliding rail is moved with limiting the sliding block on the sliding rail.
8. bone distraction device as claimed in claim 6, which is characterized in that the bone distraction device further includes having ball-joint
Component, the ball-joint component include sphere, shell, ball briquetting, and one end of the sphere is used for and external operating bed phase
Connection, the other end of the sphere are set in the shell and can be rotated in the shell, and the leg bar assembly connects
It is connected to the shell, the ball briquetting is set in the shell and can move in the shell, so that the ball-joint
Component switches between locking state and adjustment state；
Wherein, when the ball-joint component is in the locking state, the ball briquetting is tight against the sphere, with resistance
Only the sphere rotates in the shell；
When the ball-joint component is in the adjustment state, no longer tight abutment between the ball briquetting and the sphere,
The sphere can be rotated in the shell.
9. bone distraction device as claimed in claim 8, which is characterized in that the ball-joint component further includes having ball end nut
Seat and ball end screw rod, the ball end nut seat are connected to the shell, and ball end screw rod passes through and is threadedly connected to the ball
End nut seat, and ball end screw rod is connected to the ball briquetting.
10. bone distraction device as claimed in claim 9, which is characterized in that the leg bar assembly include carbon fiber pipe and
Carbon fiber swingle, the carbon fiber pipe are connected to the shell, and the carbon fiber swingle passes through the carbon fiber pipe and company
It is connected to ball end screw rod, the carbon fiber swingle being capable of the rotary motion in the carbon fiber pipe.
11. bone distraction device as claimed in claim 8, which is characterized in that have limiting groove, the limit on the sphere
Position groove is located in the shell, and the ball-joint component further includes having guider screw, and the guider screw is connected to the shell
Body is simultaneously slidedly arranged in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156501.1A CN109771117B (en) | 2019-03-01 | 2019-03-01 | Orthopedics traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156501.1A CN109771117B (en) | 2019-03-01 | 2019-03-01 | Orthopedics traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109771117A true CN109771117A (en) | 2019-05-21 |
| CN109771117B CN109771117B (en) | 2021-04-16 |
Family
ID=66487253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156501.1A Active CN109771117B (en) | 2019-03-01 | 2019-03-01 | Orthopedics traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109771117B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111588530A (en) * | 2020-06-01 | 2020-08-28 | 余军阳 | Portable orthopedics tractor with metering function |
| CN114099218A (en) * | 2021-12-10 | 2022-03-01 | 上海电气集团股份有限公司 | Cervical vertebra positioning device and operating table |
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| CN2132499Y (en) * | 1992-04-29 | 1993-05-12 | 甄佳学 | Tractor for fracture of limbs |
| WO2003068089A1 (en) * | 2002-02-18 | 2003-08-21 | Sergey Nikolaevich Kutsenko | Bliskunov device for elongating long bones |
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| Publication number | Publication date |
|---|---|
| CN109771117B (en) | 2021-04-16 |
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