CN105852944B - Distal femur cutting assembly and positioning device of turning up - Google Patents
Distal femur cutting assembly and positioning device of turning up Download PDFInfo
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- CN105852944B CN105852944B CN201510025900.6A CN201510025900A CN105852944B CN 105852944 B CN105852944 B CN 105852944B CN 201510025900 A CN201510025900 A CN 201510025900A CN 105852944 B CN105852944 B CN 105852944B
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 title description 9
- 239000007787 solid Substances 0.000 claims description 2
- 241001227561 Valgus Species 0.000 abstract description 17
- 210000002414 leg Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 238000013150 knee replacement Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of distal femur osteotomy components and positioning device of turning up, positioning device of turning up includes rotor plate, fixed plate and operating parts, a tipping line is rotationally connected between the rotor plate and the fixed plate, the operating parts folder is against between the rotor plate and the fixed plate, the rotor plate has the relatively described plane protrusion or recessed adjustment section relative to extended on the rotational plane of the fixed plate, it is provided with the portion of abutting against on the operating parts, coordinate the adjustment section by the portion of abutting against, realize the angle overturning between the rotor plate and the fixed plate.For operating parts in rotation, the cooperation and second that abut against portion and the first adjustment portion by first abut against the cooperation in portion and second adjustment portion in the present invention so that fixed plate relatively rotates plate and overturns, and angle is formed between two plates, to form valgus angle.
Description
Technical field
The present invention relates to distal femur cutting assemblies, especially the knot with the positioning device of turning up in distal femur cutting assembly
Structure is related.
Background technology
Knee joint is maximum in human body and most complicated joint, and total knee replacement is used for badly damaged knee joint.
In total knee replacement operation, the femoral component of joint motions will be carried out and tibial component is implanted to distal femur and femur
Proximal end.In human body, femur in a manner of inside distad to be stretched out with a valgus angle relative to human dissection axis, and femur
Distal face have fossa intercondyloidea be not plane, it is therefore necessary to cut femur with meet the size and shape of corresponding prosthetic component with
Correctly it is attached to prosthetic component.Wherein, " valgus angle " refers to the angle between main body axis and the channel considered, relative to
For femur, " valgus angle " refer to patient dissection axis and the longitudinal axis of femur between the angle that is formed；Relative to fixture
For, " valgus angle " refers to the angle between holder axis and fixture channel.
Now, the location structure that turns up in distal femur cutting assembly usually requires to carry out position tune by ratchet structure
It is whole, it is resetted by spring structure.This location structure that turns up, processing time consuming are laborious so that cost of manufacture is sharply increased, separately
Outer spring structure to become extremely difficult to the thorough cleaning of instrument, and the last existing location structure that turns up makes im rod device
Required space is larger in operation for tool, increases operating difficulty, it is therefore desirable to improve.
Invention content
For problems of the prior art, the purpose of the present invention be provide it is a kind of it is simple in structure, cost of manufacture is cheap,
Working service is convenient and reliable and turn up positioning device and the distal femur cutting assembly with the device that occupy little space.
To achieve the above object, technical scheme is as follows：
One kind is turned up positioning device, including rotor plate, fixed plate and operating parts, between the rotor plate and the fixed plate
It is rotationally connected with a tipping line, the operating parts folder is against between the rotor plate and the fixed plate, and the rotor plate is opposite
There are the relatively described plane protrusion or recessed adjustment section in being extended on the rotational plane of the fixed plate, on the operating parts
It is provided with the portion of abutting against, the adjustment section is coordinated by the portion of abutting against, realizes the angle between the rotor plate and the fixed plate
Degree overturning.
In a preferred embodiment, the operating parts may be rotatably mounted in the fixed plate, the rotation of the operating parts
Center is located on the tipping line.
In a preferred embodiment, the adjustment section is two, the respectively relatively described rotational plane protrusion or recessed
The first adjustment portion and second adjustment portion, the first adjustment portion and the second adjustment portion are located at the rotation of the operating parts
Center both ends, the portion of abutting against abut against portion and second including first and abut against portion, and first portion of abutting against coordinates the first adjustment
Portion, second portion of abutting against coordinate the second adjustment portion.
In a preferred embodiment, the operating parts can be slidably mounted in the fixed plate, the sliding of the operating parts
Track is parallel to the tipping line.
In a preferred embodiment, the adjustment section is two, the respectively relatively described rotational plane protrusion or recessed
The first adjustment portion and second adjustment portion, the relatively described tipping line in the first adjustment portion and the second adjustment portion are symmetrical arranged,
The portion of abutting against abuts against portion and second including first and abuts against portion, and first portion of abutting against coordinates the first adjustment portion, and described the
Two portions of abutting against coordinate the second adjustment portion..
In a preferred embodiment, multiple positioning grooves are provided in the fixed plate, it is described fixed that the operating parts protrudes
Position groove outer rim, and the operating parts is provided with the positioning that cooperation when being moved with the operating parts is caught in any positioning groove
Column.
In a preferred embodiment, corresponding the multiple positioning is provided on face of the fixed plate far from the rotor plate
The label of the graduation apparatus and mark left and right of groove.
In a preferred embodiment, it is provided with through-hole on the rotor plate, connecting tube is provided in the fixed plate, it is described
Connecting hole is provided on operating parts, the connecting tube is inserted into the connecting hole, and position corresponds to the through-hole.
In a preferred embodiment, the fixed plate is equipped with connecting plate, and the rotor plate is equipped with the circle with gap
Hole forms the rotation connection of fixed plate and rotor plate along a tipping line by the way that connecting plate to be inserted into round hole.
In a preferred embodiment, the first adjustment portion is the protrusion of highly gradient, and the second adjustment portion is deep
The concave portion of gradual change is spent, first portion of abutting against is first pillar for protruding the operating parts, and second portion of abutting against is one
Second pillar of the prominent operating parts.
In a preferred embodiment, the first adjustment portion and the second adjustment portion are the protrusion of half highly gradient
Portion, half depth gradual change concave portion, described first to abut against portion and second portion of abutting against be the convex of the prominent operating parts
Column.
To achieve the above object, the present invention also provides the following technical solutions：
A kind of distal femur osteotomy component, including im rod, adjustment part and distal cut block further include as described above outer
Positioning device is turned over, on the rotor plate of the positioning device of turning up there is mounting hole, the adjustment part to pass through the mounting hole
On the rotor plate, the im rod passes through the rotor plate, the fixed plate and the operating parts, and the distal end is cut
Block is cut with the adjustment part to be connected.
The beneficial effects of the present invention are compared with prior art, the present invention operating parts is arranged in the present invention, operating parts exists
When rotation, the cooperation and second that abut against portion and the first adjustment portion by first abut against the cooperation in portion and second adjustment portion so that
Fixed plate relatively rotates plate and overturns, and angle is formed between two plates, and to form valgus angle, this is simple in structure, is fabricated to
This is cheap, working service is convenient and reliable and occupies little space, and the assembling all easy to disassemble of all parts, consequently facilitating at disinfection
Reason.
Description of the drawings
Invention is further described in detail below in conjunction with the accompanying drawings：
Fig. 1 is the first state structural schematic diagram of one preferred embodiment of positioning device of turning up of the present invention；
Fig. 2 is the second status architecture schematic diagram of one preferred embodiment of positioning device of turning up of the present invention；
Fig. 3 is the decomposition texture schematic diagram of one preferred embodiment of positioning device of turning up of the present invention；
Fig. 4 illustrates for fixed plate in one preferred embodiment of positioning device of turning up of the present invention and the assembling structure of operating parts
Figure；
Fig. 5 be the present invention one preferred embodiment of positioning device of turning up in fixed plate structural schematic diagram；
Fig. 6 is the use state diagram of one preferred embodiment of positioning device of turning up of the present invention；
Fig. 7 is the assembling structure schematic diagram of another preferred embodiment of positioning device of turning up of the present invention；
Fig. 8 is the decomposition texture schematic diagram of another preferred embodiment of positioning device of turning up of the present invention.
Specific implementation mode
Embodying the exemplary embodiments of feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various variations in different embodiments, neither depart from the scope of the present invention, and it is therein explanation and
Attached drawing inherently is illustrated as being used, rather than to limit the present invention.
For convenience of description, relative position orientation of the upper and lower, left and right described in embodiment both with respect to Fig. 1.
First embodiment
As shown in Figure 1, Figure 2 and Figure 3, the positioning device of turning up in the present embodiment, including rotor plate 1, fixed plate 2 and operation
Part 3.
Wherein, rotor plate 1 is a slab construction, the center of rotor plate 1 is provided with through-hole 13, in the through-hole 13
Upper and lower both sides are provided with two otic placodes 14, and through-hole 140 is both provided on each otic placode 14, and the center line of two through hole 140 overlaps, and two is logical
Hole 140 is provided with gap 141 on same position, which is less than the internal diameter of round hole 140, becomes the round hole 140
Entrance.The first adjustment portion 11 and second adjustment portion 12,11 He of the first adjustment portion are respectively arranged on the left and right sides of through-hole 13
Second adjustment portion 12 extends along the upper and lower directions of rotor plate 1.In the present embodiment, the first adjustment portion 11 is the protrusion of highly gradient
Portion, second adjustment portion 12 are the concave portion of depth gradual change, and progressive formation seamlessly transits, in addition the first adjustment portion 11 and second adjustment
Portion 12 is symmetrical relative to 13 center line of through-hole and 1 inner surface intersection point of rotor plate relative to the camber of 1 inner surface of rotor plate, is formed
One arc-shaped slope,.Two mounting holes 15 are provided on the both sides of rotor plate 1, which adjusts for installing
Other parts such as one integral piece.
For the structure of fixed plate 2 please also refer to shown in Fig. 4 and Fig. 5, fixed plate 2 is also a slab construction, area and rotation
Plate 1 is suitable.One connecting tube 21 is installed at the center of fixed plate 2, the endoporus of the connecting tube 21 can be used for across (the reference of im rod 4
Shown in Fig. 6).There are multiple positioning grooves 22 in one end end set of fixed plate 2, it is round and smooth between wantonly two adjacent positioning grooves 22
Transition forms one and the concentric circular arc rim of connecting tube 21, and scale is provided on the lateral surface of corresponding positioning groove 22
Table 23, each scale value corresponds to a positioning groove 22 in graduation apparatus 23.It is located at connecting tube 21 in the medial surface of fixed plate 2
Two connecting plates 24 are provided on upper and lower two side position, wherein each connecting plate 24 connects setting on the inside portion of connecting tube 21
There are limiting plate 25, the width of limiting plate 25 to be more than the width of connecting plate 24.
Operating parts 3 is an elongate configuration, and the center of operating parts 3 is provided with connecting hole 34, for operating parts 3 to be set with
In connecting tube 21, operating parts 3 is allow to be rotated around connecting tube 21.One end of operating parts 3 is provided with the first pillar 31, the other end
It is provided with the second pillar 32, which is first to abut against portion, and to abut against the protrusion in the first adjustment portion 11, this is second convex
Column 32 abuts against portion for second, to abut against the concave portion in second adjustment portion 12.Positioning column 33 is additionally provided on operating parts 3, this is fixed
Position column 33 and the first pillar 31 are located at the same end, but on two opposite faces, and card is coordinated when positioning column 33 is rotated with operating parts 3
Enter in any positioning groove 22, and the scale value on corresponding corresponding graduation apparatus 23, mark is made to the valgus angle of the present invention.
Operating parts 3 is operation portion 36 close to one end of positioning column 33, and for operation portion 36 after positioning device of turning up assembles, it is fixed to protrude from
Outside 22 edge of groove of position, convenient in surgical procedure, manual toggle operating parts 3 is to carry out the position tune of rotor plate 1 and fixed plate 2
It is whole.The protrusion of the protrusion and concave portion in the first adjustment portion 11 and second adjustment portion 12/recessed height/depth is arranged, and makes this
Positioning device of turning up realizes different flip angles, and by calculating, different flip angles is marked on graduation apparatus 23.
In the present embodiment, when the first pillar 31 is located at 11 lower end lowest order of the first adjustment portion, the second pillar 32
In the most shallow place of 12 upper end of second adjustment portion, parallel between rotor plate 1 and fixed plate 2 at this time, positioning column 33 is caught in bottom
Positioning groove 22 in, the 22 corresponding scale value of positioning groove be 0 degree.Opposite, the first pillar 31 is located at the first adjustment portion
When 11 upper end highest order, the second pillar 32 is located at the most deep position of 12 lower end of second adjustment portion, at this time rotor plate 1 and fixation
Angle is maximum between plate 2, and positioning column 33 is caught in the positioning groove 22 of the top, which is 9
Degree.Similarly, operating parts 3 is at different turned positions, and positioning column 31 and 32 is located at the first adjustment portion 11 and second adjustment portion 12
In different height and different depth (wherein height value and depth value is numerically identical), drive between rotor plate 1 and fixed plate 2
Angle adjust, the difference valgus angle by positioning column 33 cooperation 22 corresponding graduation apparatus 23 of positioning groove on scale value come
It is indicated.
In the present embodiment, when rotor plate 1, fixed plate 2 and operating parts 3 are assembled, first as shown in figure 4, by fixed plate 2
On connecting tube 21 penetrate in the connecting hole 34 on operating parts 3, so that fixed plate 2 and operating parts 3 is rotatably assorted, and make operating parts 3
On positioning column 33 be fastened in 0 degree of corresponding positioning groove 22.Then connecting tube 21 is penetrated in the through-hole 13 of rotor plate 1,
Connecting plate 24 in fixed plate 2 is entered by gap 141 in the round hole 140 of 1 upper ear plate 14 of rotor plate, and passes through limiting plate 25
The relative position for determining rotor plate 1 and fixed plate 2 forms one by this connection type between fixed plate 2 and rotor plate 1
Tipping line.The first pillar 31 on operating parts 3 abuts against the plan-position in the first adjustment portion 11 on rotor plate 1 at this time, on operating parts 3
The second pillar 32 abut against the plan-position in second adjustment portion 12 on rotor plate 1, rotor plate 1 is parallel with fixed plate 2.It turns up
When angle adjusts, doctor determines the valgus angle of patient, suitably adjusts operating parts according to the striograph of patient or rule of thumb
3 operation portion 36, connecting plate 24 rotate in round hole 140, the first pillar 31 along the first adjustment portion 11 protrusion to moving up
Dynamic, concave portion of second pillar 32 along second adjustment portion 12 moves down, the inclination so that the drive rotor plate 1 of operating parts 3 turns up, fixed
Position column 33 cooperation is caught in corresponding positioning groove 22, to the valgus angle at this by 23 high scale value of corresponding graduation apparatus into
Rower shows.For example, doctor schemes according to patient image or rule of thumb, determines that the valgus angle of patient should be 5 degree, then by operating parts
3 are rotated, until positioning column 33 enters on graduation apparatus 23 " 5 " in corresponding groove 22.
On the dial 23 of fixed plate 2, the also label of " R " and " L ", for indicating the positioning device of turning up for suffering from
The left leg of person or right leg, when " R " is labeled as just, " L " is labeled as inverse time, illustrates the device for right leg (such as the present embodiment institute
Show)；When " R " is labeled as instead, " L " is labeled as timing, illustrates that the device, thus can be with a positioning device of turning up for left leg
It is suitable for left leg and right leg simultaneously.
It should be noted that being to use best design in the present embodiment, being used on rotor plate 2 each side has
Each design there are one pillar 31,32 also may be used in actual design in the design and rotating bar 3 of one adjustment section 11,12
Only to have on one side on rotor plate 2, only there are one the designs of pillar in adjustment section and rotating bar 3, as long as pillar can be against tune
It is whole, realize the spirit for pushing the function of rotor plate overturning to be all the present invention.
As shown in fig. 6, the distal femur cutting assembly of the present invention, including positioning device of turning up, im rod 4,6 and of adjustment part
Distal cut block 7.Wherein, adjustment part 6 is mounted on rotor plate 1, and im rod 4 passes through rotor plate 1, fixed plate 2 and operating parts 3,
Distal cut block 7 is connected with adjustment part 6, and compounding practice body 5.To first turn up positioning device through hole 13 and connecting tube when use
21 are sleeved in the im rod 4 in insertion operation body 5, then adjustment part 6 is mounted on by mounting hole 15 on rotor plate 1.Pass through
Positioning device of turning up adjusts the valgus angle of distal cut block 7, and the cutting thickness of distal cut block 7 is adjusted by adjusting part 6.This
In invention, pass through the adjustment for positioning device of turning up, it may be determined that the valgus angle of distal cut block 7, with accurate angle to behaviour
Make body 5 to be operated.The other structures of the distal femur cutting assembly of the present invention, are not discussed herein.
Second embodiment
Agent structure in the present embodiment is identical with the first embodiment, and is illustrated below with regard to difference.
As shown in Figure 7 and Figure 8, in the present embodiment, the first adjustment portion 11 and second adjustment portion 12 are half protrusion, one
Half concave portion, protrusion and concave portion seamlessly transit, and form a slope.The first adjustment portion 11 and second adjustment portion 12 relative to
The camber of 1 inner surface of rotor plate is symmetrical relative to 13 center line of through-hole and 1 inner surface intersection point of rotor plate.First abuts against 31 He of portion
Second abuts against the pillar that portion 32 is prominent operating parts 3.
In the present embodiment, when the first pillar for abutting against portion 31 is located at 11 mid-plane of the first adjustment portion, second abuts against portion
32 pillar is located at 12 mid-plane of second adjustment portion, parallel between rotor plate 1 and fixed plate 2 at this time, during positioning column 33 is caught in
Between positioning groove 22 in, the 22 corresponding scale value of positioning groove be 0 degree.
When for left leg turn up positioning when, rotate down operating parts 3 manually, i.e., operating parts 3 turned into fixed plate 2
" L " label on dial 23, until the positioning that the positioning column 33 on operating parts 3 is caught in the corresponding scale value in 2 right side of fixed plate is recessed
Most common 5 degree and 7 degree of doctor is only listed in slot 22, in the present embodiment, can also set other valgus angle angle value, as long as
The height/depth of different protrusion/recessed is set in design.The first pillar for abutting against portion 31 is located at the in the present embodiment
When one adjustment section, 11 protrusion highest order, the second pillar for abutting against portion 32 is located at the most deep position of 12 concave portion of second adjustment portion, at this time
Positive angle is maximum between rotor plate 1 and fixed plate 2, and positioning column 33 is caught in the positioning groove 22 of top side, the positioning groove
22 corresponding scale values are 7 degree.
Similarly, when for right leg turn up positioning when, operating parts 3 is turned to fixation by manual-up rotation operating parts 3
" R " label on dial scale disk, when the first pillar for abutting against portion 31 is located at the first adjustment portion 11 concave portion most deep position, second abuts against
The pillar in portion 32 is located at 12 protrusion highest order of second adjustment portion, and reversed angle is maximum between rotor plate 1 and fixed plate 2 at this time,
Positioning column 33 is caught in the positioning groove 22 of the rightmost side, which is 7 degree.Similarly, operating parts 3 exists
When different turned positions, angle is different between rotor plate 1 and fixed plate 2, which is coordinated by positioning column 33
Scale value on 22 corresponding graduation apparatus 23 of positioning groove is indicated.
It is located at first in addition, in the present embodiment, on operating parts 3 and abuts against position between the pillar in portion 31 and positioning column 33
It is provided with elastic deformation structure 35, to adapt to the different valgus angles that operating parts 3 coordinates fixed plate 2.The elastic deformation structure 35
The gap staggeredly and to relative direction extended from two is constituted so that sliding of the positioning column 33 in different positioning grooves 22 is more suitable
Freely.It should be noted that the design can also be used in other embodiments.
Finally, in the present embodiment, the mounting hole 15 on rotor plate 1 is located at the both ends of rotor plate 1, mounting hole setting
In on the otic placode that four protrude from 1 body construction of rotor plate, wherein being two-by-two a pair, convenient for wearing the parts such as adjustment part.
The second embodiment includes that a protrusion and one are recessed due to the first adjustment portion 11 and second adjustment portion 12
Portion does not have to pay attention to the positive and negative of installation, you can carry out the adjustment of left leg and right leg valgus angle when on patient's leg.
Similarly, be to use best design in the present embodiment, used on rotor plate 2 each side there are one adjustment
Each design there are one pillar 31,32 can also rotor plate 2 in actual design in the design and rotating bar 3 in portion 11,12
Upper only have in adjustment section and rotating bar 3 that only there are one the designs of pillar on one side, as long as pillar can be realized against adjustment section
It is all the spirit of the present invention to push the function of rotor plate overturning.
3rd embodiment
Operating parts 3 is to be rotatably installed between fixed plate 2 and rotor plate 1 in upper two embodiments, actually can also
For other embodiments.For example, the first adjustment portion 11 and second adjustment portion 12 on rotor plate 1 are still relatively described flat
Face is protruded or recessed design, but non-radiused, but linear, and operating parts 3 can pass through the side of similar sliding straight guide rail
Formula slides up and down between fixed plate 2 and rotor plate 1, and sliding trace is parallel to the tipping line of fixed plate 2 and rotor plate 1.Solid
The surface relative to rotor plate 1 of fixed board 2 is equipped with positioning groove 22, carries out the adjustment positioning of operating parts 3.Operating parts 3 first
It abuts against portion 31 and abuts against portion 32 and the cooperation of second adjustment portion 12 with the cooperation of the first adjustment portion 11 and second, designed by calculating, really
The protrusion in the first adjustment portion 11 and second adjustment portion 12 and recessed height/depth are determined, to realize that 1 opposing fixed plate 2 of rotor plate is sent out
The overturning of raw different angle.
Similarly, in actual design, can also on rotor plate 2 only there are one in straight line adjustment section and rotating bar 3 only
The design of one pillar, as long as pillar can realize the invention for pushing the function of rotor plate overturning to be all the present invention against adjustment section
Spirit.
The beneficial effects of the present invention are compared with prior art, the present invention be arranged operating parts 3, operating parts 3 in the present invention
In rotation, the cooperation and second that abut against portion 31 and the first adjustment portion 11 by first abut against portion 32 and second adjustment portion 12
Cooperation so that fixed plate 2 relatively rotates plate 1 and overturns, and angle is formed between two plates 1,2, to form valgus angle, the knot
Structure is simple, cost of manufacture is cheap, working service is convenient and reliable and occupies little space, and the assembling all easy to disassemble of all parts, from
And convenient for disinfecting.
Technical scheme of the present invention has been disclosed by preferred embodiment as above.Artisan will appreciate that not taking off
It changes and retouches made by the case of from the revealed scope and spirit of the present invention of appended claims of the invention, belongs to
Within the scope of the claims of the present invention.
Claims (12)
- The positioning device 1. one kind is turned up, which is characterized in that including rotor plate, fixed plate and operating parts, the rotor plate and described A tipping line is rotationally connected between fixed plate, the operating parts folder is against between the rotor plate and the fixed plate, described Rotor plate has the relatively described plane protrusion or recessed adjustment section, institute relative to extended on the rotational plane of the fixed plate It states and is provided with the portion of abutting against on operating parts, the adjustment section is coordinated by the portion of abutting against, realizes the rotor plate and the fixation Angle overturning between plate.
- 2. positioning device as described in claim 1 of turning up, which is characterized in that the operating parts may be rotatably mounted at the fixation On plate, the center of rotation of the operating parts is located on the tipping line.
- 3. positioning device as claimed in claim 2 of turning up, which is characterized in that the adjustment section is two, respectively with respect to institute State rotational plane protrusion or recessed the first adjustment portion and second adjustment portion, the first adjustment portion and the second adjustment part Not Wei Yu the operating parts center of rotation both ends, the portion of abutting against abuts against portion and second including first and abuts against portion, described first Abutting against portion coordinates the first adjustment portion, second portion of abutting against to coordinate the second adjustment portion.
- 4. positioning device as described in claim 1 of turning up, which is characterized in that the operating parts can be slidably mounted at the fixation On plate, the sliding trace of the operating parts is parallel to the tipping line.
- 5. positioning device as claimed in claim 4 of turning up, which is characterized in that the adjustment section is two, respectively with respect to institute State rotational plane protrusion or recessed the first adjustment portion and second adjustment portion, the first adjustment portion and second adjustment portion phase The tipping line is symmetrical arranged, the portion of abutting against abuts against portion and second including first and abuts against portion, first portion of the abutting against cooperation The first adjustment portion, second portion of abutting against coordinate the second adjustment portion.
- 6. positioning device as described in claim 1 of turning up, which is characterized in that it is recessed to be provided with multiple positioning in the fixed plate Slot, the operating parts protrudes the positioning groove outer rim, and the operating parts is provided with and coordinates card when being moved with the operating parts Enter the positioning column of any positioning groove.
- 7. positioning device as claimed in claim 6 of turning up, which is characterized in that on face of the fixed plate far from the rotor plate It is provided with the label of the graduation apparatus and mark left and right of corresponding the multiple positioning groove.
- 8. positioning device as claimed in claim 2 of turning up, which is characterized in that through-hole is provided on the rotor plate, it is described solid It is provided with connecting tube on fixed board, connecting hole is provided on the operating parts, the connecting tube is inserted into the connecting hole, and position The corresponding through-hole.
- 9. as described in claim 1 positioning device of turning up, which is characterized in that the fixed plate is equipped with connecting plate, described turn Movable plate is equipped with the round hole with gap, and fixed plate and rotor plate are formed along a tipping line by the way that connecting plate to be inserted into round hole Rotation connection.
- 10. the positioning device of turning up as described in claim 3 or 5, which is characterized in that the first adjustment portion is highly gradient Protrusion, the second adjustment portion are the concave portion of depth gradual change, and first portion of abutting against is one to protrude the of the operating parts One pillar, second portion of abutting against are second pillar for protruding the operating parts.
- 11. the positioning device of turning up as described in claim 3 or 5, which is characterized in that the first adjustment portion and described second adjusts It is whole be the protrusion of half highly gradient, half depth gradual change concave portion, described first abuts against portion and second top Relying part is the pillar of the prominent operating parts.
- 12. a kind of distal femur osteotomy component, including im rod, adjustment part and distal cut block, which is characterized in that further include as Any positioning devices of turning up of claim 1-11 have mounting hole on the rotor plate of the positioning device of turning up, The adjustment part is mounted on by the mounting hole on the rotor plate, and the im rod passes through the rotor plate, the fixation Plate and the operating parts, the distal cut block are connected with the adjustment part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025900.6A CN105852944B (en) | 2015-01-19 | 2015-01-19 | Distal femur cutting assembly and positioning device of turning up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025900.6A CN105852944B (en) | 2015-01-19 | 2015-01-19 | Distal femur cutting assembly and positioning device of turning up |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105852944A CN105852944A (en) | 2016-08-17 |
| CN105852944B true CN105852944B (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510025900.6A Active CN105852944B (en) | 2015-01-19 | 2015-01-19 | Distal femur cutting assembly and positioning device of turning up |
Country Status (1)
| Country | Link |
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| CN (1) | CN105852944B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765233B (en) * | 2019-02-25 | 2021-10-22 | 宁波江丰生物信息技术有限公司 | Positioning device |
| CN110393571B (en) * | 2019-06-24 | 2021-01-15 | 北京积水潭医院 | Osteotomy guiding device for unicompartmental knee replacement |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2732886B1 (en) * | 1995-04-13 | 1997-10-31 | France Bloc Sa | PATELLAR CUTTING GUIDE FOR PLACEMENT OF THE PROSTHETIC KNEE PROSTHESIS PATELLA |
| JPH08308857A (en) * | 1995-05-19 | 1996-11-26 | Nakashima Propeller Kk | Femur boring guide |
| US6024746A (en) * | 1995-05-31 | 2000-02-15 | Lawrence Katz | Method and apparatus for locating bone cuts at the distal condylar femur region to receive a femoral prothesis and to coordinate tibial and patellar resection and replacement with femoral resection and replacement |
| US7374563B2 (en) * | 2005-02-18 | 2008-05-20 | Howmedica Osteonics Corp. | Apparatus and method for guiding a surgical instrument for shaping the end of a bone |
| CN204520919U (en) * | 2015-01-19 | 2015-08-05 | 北京纳通科技集团有限公司 | Distal femur cutting assembly and the positioner that turns up |
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2015
- 2015-01-19 CN CN201510025900.6A patent/CN105852944B/en active Active
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