CN110393571A - Osteotomy guide device for separate room knee replacements - Google Patents
Osteotomy guide device for separate room knee replacements Download PDFInfo
- Publication number
- CN110393571A CN110393571A CN201910550340.4A CN201910550340A CN110393571A CN 110393571 A CN110393571 A CN 110393571A CN 201910550340 A CN201910550340 A CN 201910550340A CN 110393571 A CN110393571 A CN 110393571A
- Authority
- CN
- China
- Prior art keywords
- rod piece
- osteotomy
- guide device
- guide portion
- tibial plateau
- 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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
Abstract
The present invention relates to separate room knee replacement techniques fields, and in particular to a kind of osteotomy guide device for separate room knee replacements.Present invention seek to address that existing osteotomy guider can not achieve the problem of different osteotomy angles are to meet different osteotomy demands.For this purpose, osteotomy guide device of the invention includes the positioning region being pivotally connected and guide portion, positioning region can cooperate with side tibial plateau so that pivot axis is parallel or coplanar with side tibial plateau, the osteotomy slot extended along pivot axis direction is provided in guide portion, the fixing piece for positioning region and guide portion to be fixed to shin bone is provided on positioning region and guide portion, osteotomy guide device further includes the central plane for being used to indicate osteotomy slot and the angle indicating member of side tibial plateau angle size.Setting in this way, the angle that operator can adjust between guide portion and positioning region keep the central plane of osteotomy slot parallel with the tibial plateau of non-osteotomy side or with certain angles.
Description
Technical field
The present invention relates to separate room knee replacement techniques fields, specifically provide a kind of for separate room knee replacements
Osteotomy guide device.
Background technique
Separate room knee replacements are to treat the effective means of separate room diseases of knee joint.In surgical procedure, elder generation is needed
The lesion bone tissue of Ipsilateral tibial plateau is cut off.In general, estimating osteotomy thickness by osteotomy guider.Guider includes can
The lower end of flexible vertical bar, vertical bar is fixed at ankle, and the upper end of vertical bar is provided with osteotomy platform, by adjusting stretching for telescopic rod
Contracting length adjusts osteotomy thickness.
But, some patients the case where there are tibia varas, and the tibia vara degree of different patients is not also identical.It is right
There is no varus or the smaller situation of varus degree in shin bone, needs to make Ipsilateral tibial plateau when carrying out osteotomy to Ipsilateral tibial plateau
Osteotomy it is parallel with other side tibial plateau, and serious situation, Ipsilateral tibial plateau are compared for tibia vara degree
Osteotomy need that there is 3~5 ° of angle with other side tibial plateau, and above-mentioned osteotomy guider be not able to satisfy it is above-mentioned
Demand.
Correspondingly, this field needs a kind of new osteotomy guide device to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, i.e., existing osteotomy guider can not achieve different osteotomy angles with full
The problem of foot different osteotomy demand, the present invention provides a kind of osteotomy guide device for separate room knee replacements,
The osteotomy guide device includes the positioning region being pivotally connected and guide portion, and the positioning region can cooperate with side tibial plateau
So that pivot axis and the side tibial plateau are parallel or coplanar, it is provided in the guide portion along the pivot axis side
To the osteotomy slot of extension, it is provided on the positioning region and the guide portion for fixing the positioning region and the guide portion
To the fixing piece of shin bone, the osteotomy guide device further includes the central plane and the side shin for being used to indicate the osteotomy slot
The angle indicating member of bone platform corner dimension.
In the optimal technical scheme of above-mentioned osteotomy guide device, the positioning region is including the first rod piece and is set to institute
The positioning component of the first rod piece is stated, the guide portion includes the second rod piece, and the osteotomy slot is set to second rod piece, described
First rod piece and second rod piece are pivotally connected, and the angle indicating member is set to the position of the pivot axis.
In the optimal technical scheme of above-mentioned osteotomy guide device, the angle indicating member is dial.
In the optimal technical scheme of above-mentioned osteotomy guide device, the positioning component includes along the pivot axis direction
The third rod piece and the 4th rod piece of extension, the third rod piece and the 4th rod piece are used for against the extremely side tibial plateau
So that the pivot axis and the side tibial plateau are parallel or coplanar.
In the optimal technical scheme of above-mentioned osteotomy guide device, the third rod piece and first rod piece sliding connect
It connects, is additionally provided with the first transmission mechanism on first rod piece, first transmission mechanism is able to drive under the effect of external force
Third rod piece the sliding axially along first rod piece.
In the optimal technical scheme of above-mentioned osteotomy guide device, the 4th rod piece and first rod piece sliding connect
It connects, is additionally provided with the second transmission mechanism on first rod piece, second transmission mechanism is able to drive under the effect of external force
4th rod piece the sliding axially along first rod piece.
In the optimal technical scheme of above-mentioned osteotomy guide device, first transmission mechanism includes two first supports
Seat, the first lead screw and the first nut for being sheathed on first lead screw, described two first support bases are fixed on described first
Rod piece, first lead screw are rotatably coupled with first support base, and first nut is fixed with the third rod piece
Connection, first lead screw are provided with coaxial first bevel gear, first rod piece close to one end of the pivotal axis
On be additionally provided with revolving part, be provided on the axis of the revolving part revolving part parallel and described with the pivot axis and its
Coaxial second bevel gear, the first bevel gear are engaged with the second bevel gear；And/or second transmission mechanism
Including two the second support bases, the second lead screw and the second nut for being sheathed on second lead screw, described two second supports
Seat be fixed on first rod piece, second lead screw is rotatably coupled with second support base, second nut and
4th rod piece is fixedly connected, and second lead screw is provided with coaxial triconodont close to one end of the pivotal axis
It takes turns, is additionally provided with the second revolving part on first rod piece, the axis of second revolving part is parallel with the pivot axis simultaneously
And the 4th coaxial bevel gear is provided on second revolving part, the third hand tap gear is nibbled with the 4th bevel gear
It closes.
In the optimal technical scheme of above-mentioned osteotomy guide device, the quantity of the osteotomy slot be it is multiple, it is multiple described to cut
Bone slot is arranged in parallel.
In the optimal technical scheme of above-mentioned osteotomy guide device, sliding shoe, the sliding are provided in the guide portion
Block can be set on the sliding shoe in any position locking in setting sliding scale, the osteotomy slot.
In the optimal technical scheme of above-mentioned osteotomy guide device, the fixing piece includes being symmetrically disposed on first bar
First fixed plate of part two sides and the second fixed plate for being symmetrically disposed on second rod piece two sides, first fixed plate and
The fixation hole for installing fixing glue is provided in second fixed plate.
In the inventive solutions, osteotomy guide device of the invention includes the positioning region being pivotally connected and guidance
Portion, positioning region can cooperate with side tibial plateau so that pivot axis is parallel or coplanar with side tibial plateau, guide portion
On be provided with the osteotomy slot extended along pivot axis direction, be provided on positioning region and guide portion for by positioning region and guide portion
It is fixed to the fixing piece of shin bone, osteotomy guide device further includes the central plane and side tibial plateau clamp for being used to indicate osteotomy slot
The angle indicating member of angle size.Setting in this way, osteotomy guide device are cooperated by positioning region and side tibial plateau
Keep pivot axis parallel with the side tibial plateau, guide portion around pivotal axis can adjust thereon osteotomy slot with it is above-mentioned
The angle of side tibial plateau shows the angular dimension by angle indicating member, to make operator as the case may be
Keep the central plane of osteotomy slot parallel with above-mentioned side tibial plateau after adjusting guide portion or with certain angle, meets
The demand of different osteotomy situations.
Detailed description of the invention
The osteotomy guide device for separate room knee replacements of the invention described with reference to the accompanying drawings.Attached drawing
In:
Fig. 1 is the structural schematic diagram of osteotomy guide device in the first embodiment of the invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the front view of osteotomy guide device in the first embodiment of the invention；
Fig. 4 is the structural schematic diagram of osteotomy guide device in second of embodiment of the invention；
Fig. 5 is the front view of osteotomy guide device in second of embodiment of the invention.
Reference signs list:
11, the first rod piece；111, first sliding groove；12, positioning component；121, third rod piece；122, the 4th rod piece；131,
One support base；132, the first lead screw；133, first bevel gear；134, the first revolving part；135, second bevel gear；141, second
Support seat；142, the second lead screw；143, third hand tap gear；144, the second revolving part；145, the 4th bevel gear；15, the first fixed plate；
151, the first fixation hole；21, the second rod piece；211, second sliding slot；212, sliding shoe；213, locking nut；22, osteotomy slot；23,
Second fixed plate；231, the second fixation hole；31, dial；32, mouth is indicated.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.Such as
The quantity of osteotomy slot is 3 in a kind of embodiment, but those skilled in the art can according to need and make adjustment to it, so as to
Specific application is adapted to, such as the quantity of osteotomy slot can be 1,2,4.Obviously, technical solution adjusted is still
Protection scope of the present invention will be fallen into.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this
It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third ", "
Four " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
Referring to figs. 1 to Fig. 3, the osteotomy guide device of invention to be introduced.Wherein, Fig. 1 is the first reality of the invention
Apply the structural schematic diagram of osteotomy guide device in example；Fig. 2 is the enlarged drawing of part A in Fig. 1；Fig. 3 is the first implementation of the present invention
The front view of osteotomy guide device in example.
As shown in Figure 1 to Figure 3 and referring to orientation shown in Fig. 3, in the first embodiment of the invention, osteotomy guidance dress
Set positioning region including being located at left side and positioned at the guide portion on right side, positioning region includes the first rod piece 11 and is set to first
Positioning component 12 on rod piece 11, guide portion include the second rod piece 21, and the first rod piece 11 and the second rod piece 21 are pivotally connected.Positioning
Component 12 can cooperate with side tibial plateau so as to the pivot axis of the first rod piece 11 and the second rod piece 21 and the side shin bone
Platform parallel is coplanar.Osteotomy slot 22 is provided on the second rod piece 21, osteotomy slot 22 is along the first rod piece 11 and the second rod piece
21 pivot axis direction extends.Preferably, 3 osteotomy slots 22 disposed in parallel are provided on the second rod piece 21.First rod piece
11 and second the position that is pivotally connected of rod piece 21 be provided with the central plane and side tibial plateau clamp for being used to indicate osteotomy slot 22
The angle indicating member of angle size, such as circular dial 31 are provided with instruction mouth 32 on the second rod piece 21, work as reading
Corner dimension between preceding the second rod piece of state 21 and the first rod piece 11 corresponding scale value on dial 31.In the first rod piece
11 and second rod piece 12 be provided with fixing piece, for the first rod piece 11 and the second rod piece 12 to be fixed to shin bone.
Specifically, positioning component 12 includes the extended along the pivot axis direction of the first rod piece 11 and the second rod piece 21
Three rod pieces 121 and the 4th rod piece 122 are provided with the first sliding groove 111 parallel with its axis, third rod piece on first rod piece 11
121 and the 4th rod piece 122 be slidably matched with first sliding groove 111 so as to along first sliding groove 111 slide.It is also set on first rod piece 11
It is equipped with the first transmission mechanism and the second transmission mechanism.
First transmission mechanism includes two the first support bases 131, the first lead screw 132 and is sheathed on the first lead screw 132
First nut (not shown), first nut are fixedly mounted on third rod piece 121.Two the first support bases 131 are fixed
Have on the position of 111 end of first sliding groove, two the first support bases 131 on the first rod piece 11 and supplies the first lead screw 132
The mounting hole penetrated, the first lead screw 132 can be rotated about the axis thereof by bearing and mounting hole cooperation, the first lead screw 132
Right end is provided with coaxial first bevel gear 133.Position on first rod piece 11 close to 132 right end of the first lead screw is provided with
First revolving part 134, the axis of the first revolving part 134 is parallel with the pivot axis of the first rod piece 11 and the second rod piece 21, and first
Coaxial second bevel gear 135 is provided on revolving part 134, first bevel gear 134 is engaged with second bevel gear 135.
Second transmission mechanism includes two the second support bases 141, the second lead screw 142 and is sheathed on the second lead screw 142
Second nut (not shown), second nut are fixedly mounted on the 4th rod piece 122.Two the second support bases 141 are fixed
Have on the position of 111 end of first sliding groove, two the second support bases 141 on the first rod piece 11 and supplies the second lead screw 142
The mounting hole penetrated, the second lead screw 142 can be rotated about the axis thereof by bearing and mounting hole cooperation, the second lead screw 142
Right end is provided with coaxial third hand tap gear 143.Position on first rod piece 11 close to 142 right end of the second lead screw is provided with
Second revolving part 144, the axis of the second revolving part 144 is parallel with the pivot axis of the first rod piece 11 and the second rod piece 21, and second
The 4th coaxial bevel gear 145 is provided on revolving part 144, third hand tap gear 144 is engaged with the 4th bevel gear 145.
Then make third rod piece as needed to carry out osteotomy to right side tibial plateau during knee replacements in separate room
121 and the 4th rod piece 122 against the first revolving part 134 to left tibias platform, is rotated pass through the cone of first bevel gear 133, second
Gear 135, the first lead screw 132 and be arranged with the cooperation of the first nut of the first lead screw 132 be driven and make 121 edge of third rod piece
First sliding groove 111 is slided to the left, and the second revolving part 144 of rotation passes through third hand tap gear 143, the 4th bevel gear 145, the second lead screw
142 and be arranged with the cooperation of the second nut of the second lead screw 142 be driven and make the 4th rod piece 122 along first sliding groove 111 to the right
Sliding, to increase the distance between third rod piece 121 and the 4th rod piece 122, to more accurately determine left tibias
Then first rod piece 11 is fixed on shin bone by the plane of platform by the fixing piece on the first rod piece 11.Second is pivoted later
Rod piece 21, by indicating that mouth 32 reads the corner dimension between current second rod piece 21 and the first rod piece 11, to make the second bar
Part 21 is adjusted to required angle.When position required for being switched in the second rod piece 21, pass through consolidating on the second rod piece 21
Determine part and the second rod piece 21 is fixed to shin bone.Finally bone-cutting saw is inserted into from osteotomy slot to cut to right side tibial plateau
Bone.
Setting in this way can adjust angle of the osteotomy slot relative to the tibial plateau of non-osteotomy side, meet list
It needs point situation to select the demand of different osteotomy angles when in compartment knee replacements to unilateral tibial plateau osteotomy, improves
Osteotomy precision facilitates the osteotomy operation of unilateral tibial plateau.Third rod piece 121 and the 4th rod piece 122 are all provided with that be set to can
It is slided relative to the first rod piece 11, can easily adjust the distance between third rod piece 121 and the 4th rod piece 122, Neng Gougeng
Add the plane accurately determined out where the tibial plateau of non-osteotomy side.In general, when carrying out separate room knee replacements, skin
Notch can be opened in close to the position of osteotomy side.Realize third rod piece 11 and the 4th rod piece 21 along first by above-mentioned transmission mechanism
The sliding of sliding slot 111, structure is more compact, only need to be exposed by notch by the first rotating member 134 and the second rotating member 144
Out, easy to operate without expanding notch.3 osteotomy slots 22, Neng Gougen disposed in parallel are provided on second rod piece 21
According to the osteotomy operation for needing that different osteotomy slots 22 is selected to be able to carry out different-thickness.
It will be appreciated by persons skilled in the art that third rod piece 121 and the 4th rod piece 122 are all provided with, be set to can be relative to
The sliding of first rod piece 11 is only a kind of preferred embodiment, and those skilled in the art, which can according to need, makes adjustment to it,
To adapt to specific application, such as one in third rod piece 121 and the 4th rod piece 122 only can be arranged to phase
First rod piece 11 is slided, and another is fixedly connected with the first rod piece 11, is correspondingly provided on the first rod piece 11 a set of
Transmission mechanism；Third rod piece 121 and the 4th rod piece 122 can also be fixedly connected with the first rod piece 11, directly be passed through in this way
The tibial plateau of third rod piece 121 and the 4th rod piece 122 and non-osteotomy side against and determine flat where the side tibial plateau
Face.Certainly, positioning component can not also determine the tibial plateau of non-osteotomy side by third rod piece 121 and the 4th rod piece 122
The plane at place, as positioning component can be by the pivot with the first rod piece 11 and the second rod piece 21 that is set on the first rod piece 11
Plane where tibial plateau of the parallel plate of shaft to determine non-osteotomy side.In addition, the quantity of osteotomy slot 22 be 3 only
It is a kind of illustrative description, those skilled in the art, which can according to need, is adjusted it, to adapt to specifically apply
Occasion, such as the quantity of osteotomy slot 22 can be 1,2,4.
In addition, the combination of above-mentioned screw nut driven mechanism and bevel gear transmission is only a kind of preferred embodiment party
Formula, those skilled in the art, which can according to need, is adjusted it, to adapt to specific application, such as transmission mechanism
Tape handler can be set into, such as two belt wheels can be set in the two sides of first sliding groove 111, be arranged with one on two belt wheels
Endless belt, third rod piece 121 or the 4th rod piece 122 are fixedly connected with endless belt, make endless belt by rotating a belt wheel
Movement is to drive third rod piece 121 or the 4th rod piece 122 to slide along first sliding groove 111；It is also possible to parallel by two
Be fixedly connected respectively with third rod piece 121 and the 4th rod piece 122 in the connecting rod of the axis of the first rod piece 11, by push-and-pull connecting rod come
Realize that third rod piece 121 and the 4th rod piece 122 are slided along first sliding groove 111.Certainly, the first transmission mechanism and the second transmission mechanism
It can be the same or different.
Those skilled in the art will also be appreciated that angle indicating member be circular dial 31 is only a kind of specific
Embodiment, those skilled in the art, which can according to need, is adjusted it, to adapt to specific application, such as angle
Degree indicating member can be the dial of semicircle shape, be also possible to set around the pivot axis of the first rod piece 11 and the second rod piece 21
7 radial pointers are such as arranged, wherein 1 in the multiple radial pointers set, angle having the same between the adjacent finger
A pointer is overlapped with the axis of the first rod piece 11 always, and in addition 6 pointers are uniformly distributed in the axis two sides of the first rod piece 11, often
Angle is 1 ° between a pointer, so that the second rod piece 21 be enable to be formed respectively with the first rod piece 11 in 11 two sides of the first rod piece
1 °, 2 °, 3 ° of angle；Or other suitable angle indicating members etc..In addition, positioning region includes the first rod piece 11 and setting
In on the first rod piece 11 positioning component, guide portion include the second rod piece 21 be only a kind of specific embodiment, this field skill
Art personnel, which can according to need, is adjusted it, to adapt to specific application, if positioning region may include the first square
Shape block and the positioning plate being arranged on the first rectangular block, guide portion include the second rectangular block, and osteotomy slot is arranged in the second rectangle
On block.That is, the shape of positioning region and guide portion is not limited to rod piece.
With continued reference to Fig. 1 and Fig. 3, it is preferable that the fixing piece on the first rod piece 11 includes two and is symmetricly set on the first bar
First fixed plate 15 of the axis two sides of part 11 is provided with the first fixation hole for installing fixing glue in first fixed plate 15
151.Fixing piece on second rod piece 21 includes second fixed plate 23 of two axis two sides for being symmetricly set on the second rod piece 21,
The second fixation hole 231 for installing fixing glue is provided in second fixed plate 23.Setting in this way, osteotomy of the invention
Guide device can be applied not only in right side tibial plateau osteotomy, and can be suitable for left tibias platform osteotomy.Make
With in the process, only osteotomy guide device need to be rotated 180 ° i.e. be can be used.
It is the structural schematic diagram of osteotomy guide device in second of embodiment of the invention referring to Fig. 4 and Fig. 5, Fig. 4；Fig. 5 is
The front view of osteotomy guide device in second of embodiment of the invention.
In second of embodiment of the present invention, as shown in Figure 4 and Figure 5 and according to orientation shown in fig. 5, with the first reality
It applies unlike example, the position of the osteotomy slot 22 on the second rod piece 21 is not fixed.Specifically, it is arranged on the second rod piece 21
The second sliding slot 211 for having two extended in above-below direction parallel, sliding shoe 212 is by the locking nut at both ends in second sliding slot
211 connect and can slide up and down along second sliding slot 211, and osteotomy slot 22 is arranged on sliding shoe 212.In use, In
After angle between first rod piece 11 and the second rod piece 21 is adjusted to target angle and fixes, sliding is moved up and down as needed
Block 212 adjusts the position of osteotomy slot 22, is moved into desired position to realize required osteotomy thickness, then tightens lock
Tight nut 213 locks sliding shoe 212.Setting in this way can continuously adjust the position of osteotomy slot, to realize not
With the adjusting of osteotomy size.
It will be appreciated by persons skilled in the art that dovetail groove can also be arranged on the second rod piece 21, in sliding shoe 212
Upper setting dovetails, dovetails are slidably matched with dovetail groove, and tightening nut is arranged on sliding shoe 212, screw spiral shell by being selected into
Mother makes its end be resisted against the locking on the second rod piece 21 and realizing sliding shoe 212.
It will be appreciated by persons skilled in the art that in the preferred technical solution of the present invention, osteotomy guidance of the invention
Device includes positioning region and guide portion, and positioning region includes the first rod piece 11 and the positioning component that is set on the first rod piece 11
12, guide portion includes the second rod piece 21, and the first rod piece 11 and the second rod piece 21 are pivotally connected, and positioning component 12 can be with side shin
The cooperation of bone platform is parallel or coplanar with side tibial plateau so as to pivot axis, is provided in guide portion along pivot axis direction
The osteotomy slot of extension is provided with the fixing piece for positioning region and guide portion to be fixed to shin bone on positioning region and guide portion, cuts
Bone guided device further includes the central plane for being used to indicate osteotomy slot and the angle indicating member of side tibial plateau angle size.
Setting in this way, osteotomy guide device make pivot axis and the side shin bone by positioning region and the cooperation of side tibial plateau
Platform parallel, guide portion can adjust the angle of osteotomy slot and above-mentioned side tibial plateau thereon around pivotal axis, lead to
Over-angle indicating member shows the angular dimension, to make osteotomy slot after so that operator is adjusted guide portion as the case may be
Central plane is parallel with above-mentioned side tibial plateau or with certain angle, meets the demand of different osteotomy situations.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of osteotomy guide device for separate room knee replacements, which is characterized in that the osteotomy guide device packet
Include the positioning region being pivotally connected and guide portion, the positioning region can cooperate with side tibial plateau so as to pivot axis with it is described
Side tibial plateau is parallel or coplanar, and the osteotomy slot extended along the pivot axis direction, institute are provided in the guide portion
State the fixing piece being provided in positioning region and the guide portion for the positioning region and the guide portion to be fixed to shin bone, institute
Stating osteotomy guide device further includes the central plane for being used to indicate the osteotomy slot and the side tibial plateau angle size
Angle indicating member.
2. osteotomy guide device according to claim 1, which is characterized in that the positioning region includes the first rod piece and sets
It is placed in the positioning component of first rod piece, the guide portion includes the second rod piece, and the osteotomy slot is set to second bar
Part, first rod piece and second rod piece are pivotally connected, and the angle indicating member is set to the position of the pivot axis
It sets.
3. osteotomy guide device according to claim 2, which is characterized in that the angle indicating member is dial.
4. osteotomy guide device according to claim 2, which is characterized in that the positioning component includes along the pivotal axis
The third rod piece and the 4th rod piece that line direction extends, the third rod piece and the 4th rod piece are used for against the extremely side shin
Bone platform is parallel or coplanar so as to the pivot axis and the side tibial plateau.
5. osteotomy guide device according to claim 4, which is characterized in that the third rod piece and first rod piece are sliding
It is dynamic to connect, it is additionally provided with the first transmission mechanism on first rod piece, first transmission mechanism can under the effect of external force
Drive third rod piece the sliding axially along first rod piece.
6. osteotomy guide device according to claim 5, which is characterized in that the 4th rod piece and first rod piece are sliding
It is dynamic to connect, it is additionally provided with the second transmission mechanism on first rod piece, second transmission mechanism can under the effect of external force
Drive the 4th rod piece the sliding axially along first rod piece.
7. osteotomy guide device according to claim 6, which is characterized in that first transmission mechanism includes two first
Support base, the first lead screw and the first nut for being sheathed on first lead screw, described two first support bases are fixed on described
First rod piece, first lead screw are rotatably coupled with first support base, first nut and the third rod piece
It being fixedly connected, first lead screw is provided with coaxial first bevel gear close to one end of the pivotal axis, and described first
The first revolving part is additionally provided on rod piece, the axis of first revolving part is parallel with the pivot axis and described first revolves
Turn to be provided with coaxial second bevel gear on part, the first bevel gear is engaged with the second bevel gear；
And/or second transmission mechanism includes two the second support bases, the second lead screw and is sheathed on described second
Second nut of thick stick, described two second support bases are fixed on first rod piece, second lead screw and second support
Seat is rotatably coupled, and second nut is fixedly connected with the 4th rod piece, and second lead screw is close to the pivotal axis
One end be provided with coaxial third hand tap gear, be additionally provided with the second revolving part on first rod piece, second rotation
Turn part axis is parallel with the pivot axis and second revolving part on be provided with the 4th coaxial bevel gear, institute
Third hand tap gear is stated to engage with the 4th bevel gear.
8. osteotomy guide device according to any one of claim 1 to 7, which is characterized in that the quantity of the osteotomy slot
To be multiple, multiple osteotomy slots are arranged in parallel.
9. osteotomy guide device according to any one of claim 1 to 7, which is characterized in that be arranged in the guide portion
There is sliding shoe, the sliding shoe can be set to the cunning in any position locking in setting sliding scale, the osteotomy slot
On motion block.
10. osteotomy guide device according to claim 2, which is characterized in that the fixing piece includes being symmetrically disposed on institute
It states the first fixed plate of the first rod piece two sides and is symmetrically disposed on the second fixed plate of second rod piece two sides, described first
The fixation hole for installing fixing glue is provided in fixed plate and second fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550340.4A CN110393571B (en) | 2019-06-24 | 2019-06-24 | Osteotomy guiding device for unicompartmental knee replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550340.4A CN110393571B (en) | 2019-06-24 | 2019-06-24 | Osteotomy guiding device for unicompartmental knee replacement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110393571A true CN110393571A (en) | 2019-11-01 |
| CN110393571B CN110393571B (en) | 2021-01-15 |
Family
ID=68323375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910550340.4A Active CN110393571B (en) | 2019-06-24 | 2019-06-24 | Osteotomy guiding device for unicompartmental knee replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110393571B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998809A (en) * | 2021-03-10 | 2021-06-22 | 西安市红会医院 | Guiding device for orthopedic surgery |
| CN115281806A (en) * | 2022-08-11 | 2022-11-04 | 河北医科大学第三医院 | High position external support that cuts bone in knee joint inboard |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4524766A (en) * | 1982-01-07 | 1985-06-25 | Petersen Thomas D | Surgical knee alignment method and system |
| US20050187557A1 (en) * | 2004-02-19 | 2005-08-25 | Howmedica Osteonics Corp. | Tibial cutting guide having variable adjustment |
| CN102292037A (en) * | 2009-01-23 | 2011-12-21 | 新特斯有限责任公司 | Jig and saw guides for use in osteotomies |
| CN103945779A (en) * | 2011-11-23 | 2014-07-23 | 沃尔德玛链接有限公司 | Device for defining a cutting plane for bone resection |
| CN204708929U (en) * | 2015-04-10 | 2015-10-21 | 北京大学第三医院 | The deep guide plate arrangement of a kind of Total knee arthroplasty proximal tibia |
| CN105852944A (en) * | 2015-01-19 | 2016-08-17 | 北京纳通科技集团有限公司 | Distal femur cutting assembly and ectropion positioning device |
| CN106691536A (en) * | 2015-07-29 | 2017-05-24 | 北京纳通科技集团有限公司 | Tibia intramedullary positioner |
| CN106974700A (en) * | 2017-04-24 | 2017-07-25 | 北京大学第三医院 | A kind of proximal tibia osteotomy instrument kit |
| CN206365912U (en) * | 2016-10-10 | 2017-08-01 | 北京大学第三医院 | A kind of proximal tibia osteotomy locating piece and device |
| CN107007319A (en) * | 2017-05-18 | 2017-08-04 | 聂宇 | Shin bone list condyle osteotomy device |
-
2019
- 2019-06-24 CN CN201910550340.4A patent/CN110393571B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4524766A (en) * | 1982-01-07 | 1985-06-25 | Petersen Thomas D | Surgical knee alignment method and system |
| US20050187557A1 (en) * | 2004-02-19 | 2005-08-25 | Howmedica Osteonics Corp. | Tibial cutting guide having variable adjustment |
| CN102292037A (en) * | 2009-01-23 | 2011-12-21 | 新特斯有限责任公司 | Jig and saw guides for use in osteotomies |
| CN103945779A (en) * | 2011-11-23 | 2014-07-23 | 沃尔德玛链接有限公司 | Device for defining a cutting plane for bone resection |
| CN105852944A (en) * | 2015-01-19 | 2016-08-17 | 北京纳通科技集团有限公司 | Distal femur cutting assembly and ectropion positioning device |
| CN204708929U (en) * | 2015-04-10 | 2015-10-21 | 北京大学第三医院 | The deep guide plate arrangement of a kind of Total knee arthroplasty proximal tibia |
| CN106691536A (en) * | 2015-07-29 | 2017-05-24 | 北京纳通科技集团有限公司 | Tibia intramedullary positioner |
| CN206365912U (en) * | 2016-10-10 | 2017-08-01 | 北京大学第三医院 | A kind of proximal tibia osteotomy locating piece and device |
| CN106974700A (en) * | 2017-04-24 | 2017-07-25 | 北京大学第三医院 | A kind of proximal tibia osteotomy instrument kit |
| CN107007319A (en) * | 2017-05-18 | 2017-08-04 | 聂宇 | Shin bone list condyle osteotomy device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112998809A (en) * | 2021-03-10 | 2021-06-22 | 西安市红会医院 | Guiding device for orthopedic surgery |
| CN115281806A (en) * | 2022-08-11 | 2022-11-04 | 河北医科大学第三医院 | High position external support that cuts bone in knee joint inboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110393571B (en) | 2021-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7291148B2 (en) | External fixator for Colles' fracture | |
| US20180153559A1 (en) | Osteotomy guide and method | |
| JPH11505735A (en) | Leg adjustment osteotomy instrument | |
| CN110393571A (en) | Osteotomy guide device for separate room knee replacements | |
| US20020165551A1 (en) | Guide for angularly positioning the bones of a joint in order to perform arthrodesis | |
| BR112020021454A2 (en) | guidance system for hallux valgus correction | |
| CA2340542A1 (en) | Improved high tibial osteotomy method and apparatus | |
| AU2019229415B2 (en) | Variable angle cutting guide and method of using the same | |
| US11439415B2 (en) | Osteotomy cutting systems and surgical techniques | |
| US20230043129A1 (en) | Devices and techniques for treating metatarsus adductus | |
| US20190117238A1 (en) | Percutaneous Metatarsal Fixation Guide and Methods of Use | |
| JP2022521011A (en) | Systems and methods for high tibial osteotomy | |
| Wright et al. | Regenerate deformity with the precice tibial nail | |
| WO2013017833A2 (en) | Surgical targeting guide | |
| CN106038025B (en) | A kind of orthopaedics traction resetting device | |
| CN210811350U (en) | Alignment positioning device for distal end of femoral osteotomy | |
| US20160235421A1 (en) | Positioning Bracket for Multiple Bone Tunnel Drill Guides | |
| US9339296B2 (en) | Joint distraction system | |
| US20190216569A1 (en) | Method and apparatus for guiding a surgical instrument to a target location | |
| CN108938067A (en) | The universal resetting apparatus of cylinder for orthopedic spinal surgery | |
| US20140020690A1 (en) | Adjustable foot positioning system | |
| US11672549B2 (en) | Surgical jig | |
| Mendicino et al. | Percutaneous supramalleolar osteotomy for distal tibial (near articular) ankle deformities | |
| Ruan et al. | Humeral lengthening and proximal deformity correction with monorail external fixator in young adults | |
| Hamdy | Evolution in long bone deformity correction in the post-Ilizarov era: External to internal devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |