CN209136719U - With the osteotomy device for strutting and fixing sutura function - Google Patents
With the osteotomy device for strutting and fixing sutura function Download PDFInfo
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- CN209136719U CN209136719U CN201821500099.1U CN201821500099U CN209136719U CN 209136719 U CN209136719 U CN 209136719U CN 201821500099 U CN201821500099 U CN 201821500099U CN 209136719 U CN209136719 U CN 209136719U
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- osteotomy
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- sutura
- strutting
- pawl
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Abstract
The utility model discloses a kind of with the osteotomy device for strutting and fixing sutura function, it includes fixed plate, slide push plate and pawl, the fixed plate is fixed by screws in the side on treated shin bone or femur and being located at osteotomy gap, two straights vertical with osteotomy gap are equipped in fixed plate, two sides of the sliding push plate are located in two straights, the front end of sliding push plate, which is equipped with, pushes away bone plate, rear end is equipped with the rack gear parallel with straight, it is described to push away in bone plate insertion osteotomy gap, the pawl is mounted in fixed plate and corresponding with the tooth on rack gear.The present apparatus utilizes by gear-rack drive, by the sliding push plate that pawl positions and struts sutura, it is not only easy to operate, quick, procedure efficiency is high, and since this osteotomy device is first fixed back brace sutura, therefore it can avoid the influence to osteotomy gap control precision such as screw interporal lacuna, osteotomy rebound, to effectively increase surgical quality, the therapeutic effect of Osteoarthritis ensure that.
Description
Technical field
The utility model relates to one kind to have used in the Tibial osteotomy art and femoral osteotomies and struts and fix sutura
The osteotomy device of function, belongs to orthopedic medical device technical field.
Background technique
Knee joint osseous arthritis is the elderly's one of the most common type joint disease, and causes the elderly's lower limb disability
Main cause drastically influences the daily routines and quality of life of the elderly.Knee joint osseous arthritis refers to due to knee joint
A kind of chronic Bones and joints illness caused by cartilage degeneration, osteoproliferation is clinically mainly shown as gonalgia and not
With the dysfunction of degree, partially there are arthroncus, hydrops, joint space narrows, joint margins spur is formed for x-ray performance, soft
Osteosclerosis and cystis degeneration under bone.X-ray film has knee joint osseous arthritis shower about 60% in 55 years old or more crowds, wherein 35%--
50% has clinical manifestation.When gerontal patient's gonitis knee joint varus (turning up), stress concentrates on kneed inside (outside)
Part, and accelerate the degenerative change progress that on the inside of knee (outside) occurs, in this case, proximal ends of tibia osteotomy
Art is common therapeutic method of surgery, and this method opens up osteotomy gap (referring to Fig. 1) in proximal ends of tibia side first, then uses
Osteotomy gap is strutted and is fixed after width appropriate using bone plate by dilator, smooth with the posterior articular surface that ensures to heal,
Restore the lower limb line of force, avoid the occurrence of postoperative traumatic arthritis.It is found by a large amount of clinical practice, at present High Tibial Osteotomy
Existing main problem is: bone plate is generally plate armature, has a single function, and when operation stitches osteotomy first with dilator
Gap struts width appropriate, and plate fixation in osteotomy and then is removed dilator by stand-by screw.This synthetism mode
Not only complicated for operation, working efficiency is low, and during removing dilator, it is easy to because screw interporal lacuna is big, osteotomy is returned
The reasons such as bullet cause osteotomy gap to change, to reduce surgical quality.Thus, it is quite necessary to existing bone plate
It improves.
Utility model content
The purpose of this utility model is that aiming at the disadvantages of the prior art, providing one kind has the function of to strut and fix sutura
Osteotomy device guarantee the therapeutic effect of Osteoarthritis to improve procedure efficiency and surgical quality.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of includes fixed plate, sliding push plate and pawl in composition with the osteotomy device for strutting and fixing sutura function,
The fixed plate is fixed by screws in the side on treated shin bone or femur and being located at osteotomy gap, sets in fixed plate
There are two straights vertical with osteotomy gap, two sides of the sliding push plate are located in two straights,
The front end of sliding push plate, which is equipped with, pushes away bone plate, and rear end is equipped with the rack gear parallel with straight, described to push away bone plate insertion osteotomy gap
In, the pawl is mounted in fixed plate and corresponding with the tooth on rack gear.
It is above-mentioned have strut and fix the osteotomy device of sutura function, further include rotating handle type dilator in composition, described turn
Shank type dilator includes gear, turning handle and locating shaft, and the gear is fixed on locating shaft and is engaged with rack, the locating shaft
One end insertion fixed plate on dilator location hole in, the other end is vertical with turning handle to be connect.
Above-mentioned to have the osteotomy device for strutting and fixing sutura function, the front end of the sliding push plate, which is equipped with, lengthens connection
Plate, the lengthening connecting plate are fixedly connected by screw with treated shin bone or femur.
It is above-mentioned that there is the osteotomy device for strutting and fixing sutura function, it is further fixed on the turning handle of the rotating handle type dilator
The coaxial stabiliser bar with locating shaft.
Above-mentioned to have the osteotomy device for strutting and fixing sutura function, the depth for pushing away bone plate insertion osteotomy gap is 3
~5 millimeters, the angle for pushing away bone plate and sliding between push plate is 120 °~150 °.
It is above-mentioned that there is the osteotomy device for strutting and fixing sutura function, the sliding push plate and lengthening connecting plate and osteotomy to stitch
The corresponding position of gap is equipped with slit width Measurement scales.
Above-mentioned to have the osteotomy device for strutting and fixing sutura function, the fixed plate is equipped with pawl limit screw, institute
State the side that pawl limit screw leans against the separate rack gear of pawl.
The utility model utilizes by gear-rack drive, by the sliding push plate that pawl positions and struts sutura, not only operation side
Just, fast, procedure efficiency is high, and since this osteotomy device is first fixed rear distraction sutura, can avoid screw interporal lacuna,
The influence to osteotomy gap control precision such as osteotomy rebound ensure that Osteoarthritis to effectively increase surgical quality
Therapeutic effect.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is Tibial osteotomy gap schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of fixed plate；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the structural schematic diagram for sliding push plate；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the structural schematic diagram of rotating handle type dilator；
Fig. 8 is the left view of Fig. 7；
Fig. 9 is state of the osteotomy device shown in Fig. 2 when osteotomy gap does not strut；
Figure 10 is the left view of Fig. 9；
Figure 11 is state of the osteotomy device shown in Fig. 2 when osteotomy gap has strutted；
Figure 12 is the left view of Figure 11；
Figure 13 is the structural schematic diagram with the sliding push plate for lengthening connecting plate；
Figure 14 is the left view of Figure 13.
It is marked in figure as follows: 1, shin bone；2, osteotomy gap；3, fixed plate；3-1, screw hole；3-2, pawl shaft；3-3,
Dilator location hole；3-4, straight；3-5, set screw hole；4, push plate is slided；4-1, rack gear；4-2, bone plate is pushed away；4-3,
Lengthen connecting plate；4-4, slit width Measurement scales；5, rotating handle type dilator；5-1, locating shaft；5-2, gear；5-3, turning handle；5-4,
Stabiliser bar；6, pawl limit screw；7, pawl.
Specific embodiment
The utility model provides a kind of slide type osteotomy device, which not only has the function of fixed osteotomy, but also
Surgical quality and procedure efficiency can be effectively improved.
Referring to Fig. 2~Fig. 8, the utility model mainly includes fixed plate 3, sliding push plate 4, rotating handle type dilator 5, stop spiral shell
Nail 6 and pawl 7.Wherein, fixed plate 3, sliding push plate 4, limit screw 6 and pawl 7 are the devices for fixing osteotomy, and turning handle
Formula dilator 5 is an auxiliary tool, the only use when strutting sutura, and sutura is removed after strutting.
In figs. 3 and 4, fixed plate 3 is T-type plate, and the two sides of in-between straight-arm are equipped with straight 3-4, and two straight lines are sliding
Pawl shaft 3-2, dilator location hole 3-3 and set screw hole 3-5 are processed between slot 3-4, are additionally provided in fixed plate 3 more
A screw hole 3-1, for fixed plate 3 to be fixed on to treated shin bone or femur.
In fig. 5 and fig., the main body for sliding push plate 4 is rectangular slab, and the front end of rectangular slab, which processes, pushes away bone plate 4-2, rear end
Process rack gear 4-1.Two straight 3-4 being inserted into two sides of rectangular slab respectively after completion of processing in fixed plate 3
It is interior, then pawl 7 is mounted on pawl shaft 3-2 by torsional spring.The pawl point of pawl 7 is caught in rack gear 4-1 under the effect of torsion spring
Two teeth between, only allow a rack gear 4-1 unidirectionally move.
In figures 7 and 8, rotating handle type dilator 5 is made of locating shaft 5-1, gear 5-2, turning handle 5-3 and stabiliser bar 5-4,
Locating shaft 5-1 and stabiliser bar 5-4 coaxially to each other and is separately mounted to the two sides of turning handle 5-3, and gear 5-2 is fixed on locating shaft 5-1
On, the diameter of locating shaft 5-1 is slightly less than the diameter of the dilator location hole 3-3 in fixed plate 3.
The utility model use process is as follows:
It is placed on treated shin bone or femur after fixed plate 3, sliding push plate 4 and pawl 7 are assembled, and makes to slide
The bone plate 4-2 that pushes away of 4 front end of push plate is protruded into osteotomy gap 2, and fixed plate 3 is then fixed on to treated shin bone or stock with screw
On bone (as shown in Figure 9 and Figure 10).Then the dilator in the locating shaft 5-1 insertion fixed plate 3 of rotating handle type dilator 5 is positioned
In the 3-3 of hole, hand steered live in a stabiliser bar 5-4 makes gear 5-2 and rack gear 4-1 positive engagement, another hand operates turning handle 5-3, makes
Gear 5-2 slowly rotates, and gear 5-2 driving sliding push plate 4 is moved along straight 3-4, pushes away bone plate by 4 end of sliding push plate
4-2 supports in osteotomy gap 2 greatly.After osteotomy gap 2 reaches the width of setting, rotating handle type dilator 5 is removed, slides push plate at this time
4 are positioned by pawl 7, cannot be moved backward, and pawl 7 fails in order to prevent, pawl limit screw 6 can be screwed in set screw hole
In 3-5 (as is illustrated by figs. 11 and 12).
It, can be in the fixed lengthening connecting plate 4- in the front end of sliding push plate 4 in order to be reliably fixed osteotomy referring to Figure 13 and Figure 14
3, after osteotomy gap 2 reaches the width of setting, connecting plate 4-3 will be lengthened with screw and is connected to treated shin bone or femur
Together, osteotomy device entire in this way can be stronger.In order to facilitate the adjusting in osteotomy gap 2, in sliding push plate 4 and can also add
Slit width Measurement scales 4-4 is arranged in position corresponding with osteotomy gap 2 on long connecting plate 4-3.
Compared with traditional osteotomy device, the utility model operating procedure is few, can save operating time, improves procedure efficiency,
And the degree of regulation in osteotomy gap is high, and surgical quality can be improved, guarantee the therapeutic effect of Osteoarthritis.
Claims (7)
1. a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that include fixed plate (3), sliding in composition
Push plate (4) and pawl (7), the fixed plate (3) are fixed by screws on treated shin bone or femur and are located at osteotomy and stitch
The side of gap (2), is equipped with two straights (3-4) vertical with osteotomy gap (2) on fixed plate (3), and the sliding pushes away
Two sides of plate (4) are located in two straights (3-4), and the front end of sliding push plate (4), which is equipped with, pushes away bone plate (4-2),
Rear end is equipped with the rack gear (4-1) parallel with straight (3-4), described to push away in bone plate (4-2) insertion osteotomy gap (2), described
Pawl (7) is mounted on fixed plate (3) and corresponding with the tooth on rack gear (4-1).
2. according to claim 1 a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that in composition
It further include rotating handle type dilator (5), the rotating handle type dilator (5) includes gear (5-2), turning handle (5-3) and locating shaft (5-
1), the gear (5-2) is fixed on locating shaft (5-1) and engages with rack gear (4-1), and one end of the locating shaft (5-1) is inserted
Enter in the dilator location hole (3-3) on fixed plate (3), the other end is vertical with turning handle (5-3) to be connect.
3. according to claim 1 or 2 a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that institute
The front end for stating sliding push plate (4), which is equipped with, lengthens connecting plate (4-3), and lengthen connecting plate (4-3) passes through screw and treated
Shin bone or femur are fixedly connected.
4. according to claim 2 a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that described turn
The stabiliser bar (5-4) coaxial with locating shaft (5-1) is further fixed on the turning handle (5-3) of shank type dilator (5).
5. according to claim 4 a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that described to push away
The depth that bone plate (4-2) is inserted into osteotomy gap (2) is 3~5 millimeters, and the angle for pushing away bone plate (4-2) and sliding between push plate (4) is
120 °~150 °.
6. according to claim 5 a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that the cunning
Dynamic push plate (4) and the position corresponding with osteotomy gap (2) connecting plate (4-3) is lengthened equipped with slit width Measurement scales (4-4).
7. according to claim 6 a kind of with the osteotomy device for strutting and fixing sutura function, characterized in that described solid
Fixed board (3) is equipped with pawl limit screw (6), and the pawl limit screw (6) leans against the separate rack gear (4-1) of pawl (7)
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500099.1U CN209136719U (en) | 2018-09-13 | 2018-09-13 | With the osteotomy device for strutting and fixing sutura function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500099.1U CN209136719U (en) | 2018-09-13 | 2018-09-13 | With the osteotomy device for strutting and fixing sutura function |
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| CN209136719U true CN209136719U (en) | 2019-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171843A (en) * | 2018-09-13 | 2019-01-11 | 河北医科大学第三医院 | With the osteotomy device for strutting and fixing sutura function |
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2018
- 2018-09-13 CN CN201821500099.1U patent/CN209136719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171843A (en) * | 2018-09-13 | 2019-01-11 | 河北医科大学第三医院 | With the osteotomy device for strutting and fixing sutura function |
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