CN105310743A - Osteotomy guider - Google Patents
Osteotomy guider Download PDFInfo
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- CN105310743A CN105310743A CN201410325898.XA CN201410325898A CN105310743A CN 105310743 A CN105310743 A CN 105310743A CN 201410325898 A CN201410325898 A CN 201410325898A CN 105310743 A CN105310743 A CN 105310743A
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- osteotomy
- chamfering
- osteotomy part
- guider
- front side
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- 241000220317 Rosa Species 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 210000000689 upper leg Anatomy 0.000 description 8
- 210000000988 bone and bone Anatomy 0.000 description 5
- 210000000629 knee joint Anatomy 0.000 description 3
- 241000375392 Tana Species 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000011882 arthroplasty Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
Abstract
The invention discloses an osteotomy guider. The osteotomy guider comprises an adjusting part, a chamfer osteotomy part, a front-side osteotomy part, a rear-side osteotomy part and a numerical selection part, and the adjusting part comprises a rod portion and an abutting-against portion; the chamfer osteotomy part is connected with the adjusting part in a mode that the position can be relatively adjusted; the front-side osteotomy part is slidably connected with a first side face of the chamfer osteotomy part through a first guiding structure and movably connected with the adjusting part through a first connecting structure; the rear-side osteotomy part is slidably connected with a second side face of the chamfer osteotomy part through a second guiding structure and movably connected with the adjusting part through a second connecting structure; the numerical selection part is connected with the rod portion of the adjusting part, drives the chamfer osteotomy part to change the fixed position at the adjusting part and meanwhile changes the position, relative to the adjusting part, of the front-side osteotomy part and the position, relative to the adjusting part, of the rear-side osteotomy part. By means of the osteotomy guider, synchronous adjustment of the three osteotomy parts is achieved conveniently and rapidly, surgical time is saved, and surgical risk and patient pain are greatly reduced.
Description
Technical field
The present invention relates to osteotomy guider.
Background technology
Knee prosthesis, as the treatment means of disease such as treatment osteoarthritis etc., has been carried out for many years clinically, and artificial knee joint prosthesis, based on surperficial replacement knee in arthroplasty, by the femur of patient and Tibial osteotomy, after lesion portion being removed, is settled in market.Wherein osteotomy instrument is as important operating theater instruments, can be divided into femur osteotomy and Tibial osteotomy.As shown in Figure 1, femoral prosthesis comprises five faces to bone surface, and P1 is front side osteotomy surface, and P2, P4 are chamfering osteotomy surface, and P3 is osteotomy of distal face, and P5 is rear side osteotomy surface, so femur osteotomy, comprises distal femur osteotomy, chamfering osteotomy and side, front and back osteotomy.Distal femur osteotomy uses osteotomy of distal guider, other femur osteotomy use 4 to close 1 osteotomy guider, because everyone femur varies in size, corresponding femoral prosthesis also has different specifications, the corresponding corresponding prosthese specification of each specification of 4 conjunction 1 osteotomy guider that present market mainly uses, namely corresponding one 4 of each lateral femoral condyle prosthesis closes 1 osteotomy guider, both adds processing cost like this, occupies again more instrument case space.
Summary of the invention
For problems of the prior art, object of the present invention is for providing one to facilitate, synchronously carry out quick-adjustsing osteotomy guider to three osteotomy parts simultaneously.
For achieving the above object, the invention provides following technical scheme:
A kind of osteotomy guider, comprising:
Adjustment part, described adjustment part comprises bar portion, and the one end in described bar portion is provided with butting section;
Chamfering osteotomy part, described chamfering osteotomy part position is adjustably connected with described adjustment part relatively, and described chamfering osteotomy part both sides are respectively the first side and the second side;
Front side osteotomy part, described front side osteotomy part is slidably connected by the first guiding structural described first side of described chamfering osteotomy part, and is flexibly connected with described adjustment part by the first syndeton, cutter gap on front side of described front side osteotomy part is also provided with;
Rear side osteotomy part, described rear side osteotomy part is slidably connected by the second guiding structural described second side of described chamfering osteotomy part, and is flexibly connected with described adjustment part by the second syndeton, cutter gap on rear side of described rear side osteotomy part is also provided with;
Numerical selection part, described numerical selection part connects described chamfering osteotomy part, described adjustment part is driven to change the relative position of described adjustment part and described chamfering osteotomy part, changed the position of the relative described adjustment part of described front side osteotomy part simultaneously by described first guiding structural and the cooperation of the first syndeton, changed the position of the relative described adjustment part of described rear side osteotomy part by described second guiding structural and the cooperation of the second syndeton.
Further, described chamfering osteotomy part is provided with the first rose reamer gap and the second rose reamer gap.
Further, described first syndeton comprises head rod, described second syndeton comprises the second connecting rod, and described front side osteotomy part connects described adjustment part by head rod pivotable, and described rear side osteotomy part connects described adjustment part by the second connecting rod pivotable.
Further, described first side is provided with the first inclined-plane, described second side is provided with the second inclined-plane, osteotomy part side, described front side is the 3rd inclined-plane, described rear side osteotomy part side is the 4th inclined-plane, described 3rd described first inclined-plane of the parallel cooperation in inclined-plane, described 4th described second inclined-plane of the parallel cooperation in inclined-plane.
Further, the first inclined-plane equals the angle of inclination of described second inclined-plane relative to described bar portion relative to the angle of inclination in described bar portion.
Further, the first inclined-plane is not equal to the angle of inclination of described second inclined-plane relative to described bar portion relative to the angle of inclination in described bar portion.
Further, described first guiding structural comprises the first guiding block and the first guide channel that match, described first guiding block is arranged in described chamfering osteotomy part and described front side osteotomy part on arbitrary osteotomy part, and described first guide channel to be arranged in described chamfering osteotomy part and described front side osteotomy part on another osteotomy part.
Further, described second guiding structural comprises the second guiding block and the second guide channel that match, described second guiding block is arranged in described chamfering osteotomy part and described rear side osteotomy part on arbitrary osteotomy part, and described second guide channel to be arranged in described chamfering osteotomy part and described rear side osteotomy part on another osteotomy part.
Further, described numerical selection part comprises platen, spring and connecting pin, described platen is provided with the different retaining groove of multiple degree of depth, the described bar portion of described adjustment part is provided with bumping post, the through hole in the sheathed described bar portion of described chamfering osteotomy part is stepped hole, described spring is pressed against between described bumping post and described step, and described bumping post and described retaining groove match, and described platen can be pressed against on described chamfering osteotomy part by described connecting pin rotationally.
Further, the other end in described bar portion is also provided with operating portion, and described head rod is connected described operating portion with the equal pivotable of described second connecting rod.
Further, described numerical selection part comprises a pin, and described pin one has protuberance, and described protuberance is provided with locating hole, and described chamfering osteotomy part is provided with alignment pin, and described alignment pin and described locating hole match.
Further, described pin other end is provided with helicla flute, and the described bar portion of described adjustment part is provided with bumping post, and described bumping post and described helicla flute are slidably matched.
Further, described first syndeton comprises the 3rd connecting rod, described second syndeton comprises the 4th connecting rod, one end of described 3rd connecting rod and described 4th connecting rod is all fixedly installed on described butting section, the other end suspends, described front side osteotomy part is slidably located on described 3rd connecting rod, and described rear side osteotomy part is all slidably located on described 4th connecting rod.
Further, described 3rd connecting rod and described 4th connecting rod is equal and have a steering angle between described bar portion.
Further, described front side osteotomy part and described rear side osteotomy part to be all slidably connected described chamfering osteotomy part by the guide pillar that cooperatively interacts and guide pillar pore structure.
The present invention compared with prior art, in the present invention, numerical selection part drives adjustment part to change the fixed position on chamfering osteotomy part, changed the position of the relative adjustment part of front side osteotomy part by the first guiding structural and the cooperation of the first syndeton simultaneously, the position of the relative adjustment part of rear side osteotomy part is changed by the second guiding structural and the cooperation of the second syndeton, thus realize three osteotomy part synchronization control quickly and easily, save operating time, significantly reduce the misery of operation risk and sufferer.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is knee-joint prosthesis osteotomy surface structural representation;
Fig. 2 and Fig. 3 is osteotomy guider operating process schematic diagram of the present invention;
Fig. 4 is the present invention's corresponding femoral prosthesis seriation structural representation;
Fig. 5 is osteotomy guider perspective view of the present invention;
Fig. 6 is the right TV structure schematic diagram of osteotomy guider of the present invention;
Fig. 7 is the main TV structure schematic diagram of osteotomy guider of the present invention;
Fig. 8 is the left TV structure schematic diagram of osteotomy guider of the present invention;
Fig. 9 is operating position schematic diagram in osteotomy guider one specific embodiment of the present invention;
Figure 10 contrasts main TV structure schematic diagram before and after adjustment in osteotomy guider one specific embodiment of the present invention;
Figure 11 contrasts perspective view before and after adjustment in osteotomy guider one specific embodiment of the present invention;
Figure 12 is osteotomy guider one specific embodiment perspective view of the present invention;
Figure 13 is numerical selection part structural representation in osteotomy guider one specific embodiment of the present invention;
Figure 14 is osteotomy guider one specific embodiment sectional structure schematic diagram of the present invention;
Figure 15 is osteotomy guider one specific embodiment decomposition texture schematic diagram of the present invention;
Figure 16 is another specific embodiment decomposition texture schematic diagram of osteotomy guider of the present invention;
Figure 17 is another specific embodiment perspective view of osteotomy guider of the present invention;
Figure 18 is numerical selection part structural representation in another specific embodiment of osteotomy guider of the present invention.
Detailed description of the invention
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing are the use when explain in itself, and is not used to limit the present invention.
Normally used osteotomy guider 1 work process as shown in Figures 2 and 3, first on bone 2, cut out osteotomy of distal face, then with this face for benchmark, by staple 4, osteotomy guider 1 is fixed on bone 2, then uses osteotome 3 to excise each osteotomy surface of bone 2 under the guiding of osteotomy guider 1.
The basis of the present invention's design is, belong to the knee-joint prosthesis femoral component of a series of different size, its prosthese is in five planes of bone surface, and the angle of two chamfer plane and osteotomy of distal face vertical line keeps constant, is α and β, as shown in Figure 4.In a series of osteotomy guider 1, between different size, lateral femoral condyle prosthesis chamfering osteotomy surface is identical with vertical direction angle, and namely the chamfering osteotomy surface of a series of osteotomy plate guider 1 and the angle of osteotomy of distal face vertical line are α and β.
As shown in Figure 5-Figure 8, osteotomy guider 1 of the present invention comprises adjustment part 10, chamfering osteotomy part 11, front side osteotomy part 12, rear side osteotomy part 13 and numerical selection part 14.Wherein, adjustment part 10 comprises bar portion 101, and the one end in bar portion 101 is provided with butting section 102.Chamfering osteotomy part 11 position is adjustably set in the bar portion 101 of adjustment part 10, and bar portion 101 is perpendicular to place, butting section 102 plane, chamfering osteotomy part is provided with the first rose reamer gap 161 and the second rose reamer gap 163, this the first rose reamer gap 161 is set by excision one chamfering osteotomy surface, and this second rose reamer gap 163 is set by another chamfering osteotomy surface of excision.The angle of the first rose reamer gap and butting section 102 vertical line is α, and the angle of the second rose reamer gap and butting section 102 vertical line is β, and after carrying out osteotomy like this, the angle of two chamfering osteotomy surfaces and osteotomy of distal face vertical line is α and β.
Certainly according to circumstances, also cutter gap can not be established.First side of chamfering osteotomy part 11 is provided with the first inclined-plane, and the first inclined-plane is A relative to angle of inclination, bar portion 101, the second side is provided with the second inclined-plane, and the second inclined-plane is that B, A can be set to equal B or be not equal to B relative to angle of inclination, bar portion 101.Osteotomy part 12 side, front side is the 3rd inclined-plane, and front side osteotomy part 12 is slidably arranged in the first side of chamfering osteotomy part 11 by the first guiding structural 122, and the 3rd inclined-plane and the first inclined-plane carry out cooperation and slide.Front side osteotomy part 12 is also provided with front side cutter gap 162, on front side of this, cutter gap 162 is set by the osteotomy surface of excision front side.Rear side osteotomy part 13 side is the 4th inclined-plane, and rear side osteotomy part 13 is slidably arranged in the second side of chamfering osteotomy part 11 by the second guiding structural 132, and the 4th inclined-plane and the second inclined-plane carry out cooperation and slide.Rear side osteotomy part 13 is also provided with rear side cutter gap 164, on rear side of this, cutter gap 164 is set by excision rear side osteotomy surface.Numerical selection part 14 is sleeved on the bar portion 101 of adjustment part 10, be connected with chamfering osteotomy part 11, numerical selection part 14 drives chamfering osteotomy part 11 to change its fixed position on adjustment part 10, changed the position of the relative adjustment part 10 of front side osteotomy part 12 simultaneously by the first guiding structural 122, changed the position of the relative adjustment part 10 of rear side osteotomy part 13 by the second guiding structural 132.
As shown in Figure 12-Figure 15, it is the structural representation of osteotomy guider 1 one specific embodiment of the present invention.Wherein, front side osteotomy part 12 connects adjustment part 10 by head rod 121 pivotable, rear side osteotomy part 13 connects adjustment part 10 by the second connecting rod 131 pivotable, head rod 121 coordinates fixing front side osteotomy part 12, second connecting rod 131 to coordinate fixing rear side osteotomy part 13 with the second guiding structural 132 with the first guiding structural 122.
In the present embodiment, first guiding structural 122 comprises the first guiding block and the first guide channel that match, first guiding block is arranged in chamfering osteotomy part 11 and front side osteotomy part 12 on arbitrary osteotomy part, and the first guide channel to be arranged in chamfering osteotomy part 11 and front side osteotomy part 12 on another osteotomy part.That is, chamfering osteotomy part 11 arranges the first guiding block, then front side osteotomy part 12 arranges the first guide channel, chamfering osteotomy part 11 arranges the first guide channel, then front side osteotomy part 12 arranges the first guiding block.Similarly, second guiding structural 132 comprises the second guiding block and the second guide channel that match, second guiding block is arranged in chamfering osteotomy part 11 and rear side osteotomy part 13 on arbitrary osteotomy part, and the second guide channel to be arranged in chamfering osteotomy part 11 and rear side osteotomy part 13 on another osteotomy part.That is, chamfering osteotomy part 11 arranges the second guiding block, then rear side osteotomy part 13 arranges the second guide channel, chamfering osteotomy part 11 arranges the second guide channel, then rear side osteotomy part 13 arranges the second guiding block.
In the present embodiment, as shown in figure 13, and shown in composition graphs 8 and Figure 14, numerical selection part 14 comprises platen 141, spring 142 and connecting pin 143, platen 141 is provided with chute 1411 retaining groove different with multiple degree of depth 1412, the bar portion 101 of adjustment part 10 is provided with bumping post 104, the through hole in the sheathed bar portion 101 of chamfering osteotomy part 11 is stepped hole, spring 142 is pressed against between bumping post 104 and step, bumping post 104 and retaining groove 1412 match, connecting pin 143 1 is connected with chamfering osteotomy part 11 through chute 1411, the protuberance of other end is pressed against the two sides of chute 1411, platen 141 can be pressed against on chamfering osteotomy part 11 by connecting pin 143 rotationally.When platen 141 turns to diverse location, bumping post 104 coordinates the retaining groove 1412 of different depth, thus the position of the relative adjustment part 10 of chamfering osteotomy part 11 is adjusted by the power that leans of spring 142, changed the position of the relative adjustment part 10 of front side osteotomy part 12 by the first guiding structural 122 and the cooperation of head rod 121 simultaneously, the position of the relative adjustment part 10 of rear side osteotomy part 13 is changed by the second guiding structural 132 and the cooperation of the second connecting rod 131, thus realize synchronization control first rose reamer gap 161, front side cutter gap 162, second rose reamer gap 163, the synchronization control of rear side cutter gap 164, the i.e. particular location of synchronization control four osteotomy surfaces.
In addition, in the present embodiment, the other end in bar portion 101 is also provided with operating portion 103, head rod 121 and the second connecting rod 131 all pivotable attended operation portions 103.As shown in Figure 9, when needs adjust, exert a force as shown by arrows in FIG. to operating portion 103, bumping post 104 exits retaining groove 1412, then platen 141 is rotated to correct position, decontrol operating portion 103, bumping post 104 enters corresponding retaining groove 1412 under the impetus power of spring 142, namely completes this adjustment.And, for convenience of adjustment, in the present embodiment, platen 141 outer peripheral face is provided with station location marker, chamfering osteotomy part 11 is provided with datum line, carry out position adjustment to facilitate and ensure to rotate in place.
As shown in Figure 10 and Figure 11, in the present embodiment from No. 3 bit maps to No. 4 positions time comparison diagram, each parts have following change: front side osteotomy part 12 moves right H, and the H × tanA that moves up along slope, complete the location of osteotomy surface position, front side.Rear side osteotomy part 13 moves right H, and moves down H × tanB along slope, completes the location of rear side osteotomy surface position.Adjustment part 10 moves right H, chamfering osteotomy part 11 invariant position, because adjustment part 10 entirety moves right H, the butting section 102 of chamfering osteotomy part 11 and adjustment part 10 forms a gap H, and the distance H of movement is the difference of the degree of depth of the degree of depth of the retaining groove of No. 3 position correspondences on platen 14 retaining groove corresponding with No. 4 positions.4 conjunction 1 osteotomy are carried out because butting section 102 is fitted on osteotomy of distal face, chamfering osteotomy part 11 is moved to the left relative to butting section 102, when then carrying out osteotomy, the position of chamfering osteotomy, respectively to side skew before and after distal femur, becomes No. 4 position osteotomy from No. 3 position osteotomy.
As exemplified in figs, be the structural representation of another specific embodiment of osteotomy guider 1 of the present invention.Mainly the structure of numerical selection part 14 is different from previous embodiment in this embodiment, and the fixed form of front side osteotomy part 12 and rear side osteotomy part 13 also exists difference.
In the present embodiment, numerical selection part 14 comprises a pin 146, and pin 146 1 has protuberance, and the excircle of protuberance is provided with some holes, corresponding different type figures.Chamfering osteotomy part 11 is provided with alignment pin 148, and alignment pin 148 matches with the hole on pin 146 protuberance.The telescopic post that passing hole and alignment pin 148 extend coordinates and positions, and pin 146 and chamfering osteotomy part 11 is linked together.The bar portion outer peripheral face of pin 146 is provided with helicla flute 147, adjustment part bar portion 101 is provided with bumping post 104, bumping post 104 inserts in helicla flute 147, and helicla flute can relative to bumping post 104 screw.
In the present embodiment, the butting section 102 of adjustment part 10 is also connected with oblique 3rd connecting rod 106 and the 4th connecting rod 108,3rd connecting rod 106 is A relative to the angle in adjustment part bar portion 101,4th connecting rod 106 is B relative to the angle in adjustment part bar portion 101, this angle A and B are respectively that guiding front side osteotomy part and rear side osteotomy part are along the steering angle of fixed angle direction movement, constant to ensure the angle in front side osteotomy part and the rear side osteotomy part bar portion 101 of relative adjustment part 10 before and after mobile.Front side osteotomy part 12 slides sheathed connection the 3rd connecting rod 106, and rear side osteotomy part 13 slides sheathed connection the 4th connecting rod 108.Front side osteotomy part 12 and rear side osteotomy part 13 are by the structure in guide pillar and guide pillar hole, be connected with chamfering osteotomy part 11, the setting position in guide pillar and guide pillar hole can be determined according to actual needs, as long as ensure that one is arranged on chamfering osteotomy part, it is upper that another is arranged on front side chamfering osteotomy part (with rear side osteotomy part).By the cooperation in guide pillar and guide pillar hole, can under the drive of the 3rd connecting rod 106 and the 4th connecting rod 108, front side osteotomy part 12 and rear side osteotomy part 13 are moved in the vertical direction along guide pillar, realizes the position adjustment of front side osteotomy part 12 and rear side osteotomy part 13 and fix.
In the present embodiment, adjust the cooperation position of bumping post 104 and helicla flute 147 by rotating pin 146, thus there is change in location in drive chamfering osteotomy part 11, front side osteotomy part 12 adjustment part 10 relative to rear side osteotomy part 13, realizes synchronization control.When adjusting, such as, adjusting to 4 from model 3, rotating pin 146, post on alignment pin 148 is ejected from the hole of model 3 correspondence pin 146 lobe, pin 146 rotates an angle, until the post on alignment pin 146 is inserted in the hole of model 4 correspondence, stops the rotation.Now bumping post 104 moves a horizontal range H in the helicla flute 147 of alignment pin 146, namely chamfering osteotomy part 11 moves a distance H relative to butting section, front side osteotomy part to move up H × tanA along the 3rd connecting rod 106, complete the location of osteotomy surface position, front side, rear side osteotomy part 13 moves down H × tanB along the 4th connecting rod 108, thus pass through the rotation of alignment pin 146, complete the change of two chamfering osteotomy amounts and forward and backward osteotomy amount.
The present invention drives adjustment part 10 by numerical selection part 14, chamfering osteotomy part 11 is made to have the movement of a horizontal direction relative to adjustment part 10, simultaneously, front/rear osteotomy part 12/13 is driven to have the movement of a fore-and-aft direction, thus realize the change that single stepping causes four osteotomy surface osteotomy amounts, facilitate doctor to operate, improve operating efficiency.
Some are only needed to adjust the movement that front/rear osteotomy part 12/13 has a fore-and-aft direction, and do not need the situation adjusting chamfering osteotomy amount, rose reamer gap can not be established in chamfering osteotomy part 11, now can realize the change that single stepping causes forward and backward osteotomy surface.
Technical scheme of the present invention is disclosed as above by preferred embodiment.The change that those skilled in the art do when should recognize the scope and spirit of the present invention disclosed in the claim do not departed from appended by the present invention and retouching, within the protection domain all belonging to claim of the present invention.
Claims (15)
1. an osteotomy guider, is characterized in that, comprising:
Adjustment part, described adjustment part comprises bar portion, and the one end in described bar portion is provided with butting section;
Chamfering osteotomy part, described chamfering osteotomy part position is adjustably connected with described adjustment part relatively, and described chamfering osteotomy part both sides are respectively the first side and the second side;
Front side osteotomy part, described front side osteotomy part is slidably connected by the first guiding structural described first side of described chamfering osteotomy part, and is flexibly connected with described adjustment part by the first syndeton, cutter gap on front side of described front side osteotomy part is also provided with;
Rear side osteotomy part, described rear side osteotomy part is slidably connected by the second guiding structural described second side of described chamfering osteotomy part, and is flexibly connected with described adjustment part by the second syndeton, cutter gap on rear side of described rear side osteotomy part is also provided with;
Numerical selection part, described numerical selection part connects described chamfering osteotomy part, described adjustment part is driven to change the relative position of described adjustment part and described chamfering osteotomy part, changed the position of the relative described adjustment part of described front side osteotomy part simultaneously by described first guiding structural and the cooperation of the first syndeton, changed the position of the relative described adjustment part of described rear side osteotomy part by described second guiding structural and the cooperation of the second syndeton.
2. osteotomy guider as claimed in claim 1, is characterized in that, described chamfering osteotomy part is provided with the first rose reamer gap and the second rose reamer gap.
3. osteotomy guider as claimed in claim 1, it is characterized in that, described first syndeton comprises head rod, described second syndeton comprises the second connecting rod, described front side osteotomy part connects described adjustment part by head rod pivotable, and described rear side osteotomy part connects described adjustment part by the second connecting rod pivotable.
4. osteotomy guider as claimed in claim 1, it is characterized in that, described first side is provided with the first inclined-plane, described second side is provided with the second inclined-plane, osteotomy part side, described front side is the 3rd inclined-plane, described rear side osteotomy part side is the 4th inclined-plane, described 3rd described first inclined-plane of the parallel cooperation in inclined-plane, described 4th described second inclined-plane of the parallel cooperation in inclined-plane.
5. osteotomy guider as claimed in claim 4, it is characterized in that, the first inclined-plane equals the angle of inclination of described second inclined-plane relative to described bar portion relative to the angle of inclination in described bar portion.
6. osteotomy guider as claimed in claim 4, it is characterized in that, the first inclined-plane is not equal to the angle of inclination of described second inclined-plane relative to described bar portion relative to the angle of inclination in described bar portion.
7. osteotomy guider as claimed in claim 1, it is characterized in that, described first guiding structural comprises the first guiding block and the first guide channel that match, described first guiding block is arranged in described chamfering osteotomy part and described front side osteotomy part on arbitrary osteotomy part, and described first guide channel to be arranged in described chamfering osteotomy part and described front side osteotomy part on another osteotomy part.
8. osteotomy guider as claimed in claim 1, it is characterized in that, described second guiding structural comprises the second guiding block and the second guide channel that match, described second guiding block is arranged in described chamfering osteotomy part and described rear side osteotomy part on arbitrary osteotomy part, and described second guide channel to be arranged in described chamfering osteotomy part and described rear side osteotomy part on another osteotomy part.
9. osteotomy guider as claimed in claim 1, it is characterized in that, described numerical selection part comprises platen, spring and connecting pin, described platen is provided with the different retaining groove of multiple degree of depth, the described bar portion of described adjustment part is provided with bumping post, and the through hole in the sheathed described bar portion of described chamfering osteotomy part is stepped hole, and described spring is pressed against between described bumping post and described step, described bumping post and described retaining groove match, and described platen can be pressed against on described chamfering osteotomy part by described connecting pin rotationally.
10. osteotomy guider as claimed in claim 9, it is characterized in that, the other end in described bar portion is also provided with operating portion, and described head rod is connected described operating portion with the equal pivotable of described second connecting rod.
11. osteotomy guiders as claimed in claim 1, it is characterized in that, described numerical selection part comprises a pin, described pin one has protuberance, described protuberance is provided with locating hole, and described chamfering osteotomy part is provided with alignment pin, and described alignment pin and described locating hole match.
12. osteotomy guiders as claimed in claim 11, it is characterized in that, described pin other end is provided with helicla flute, and the described bar portion of described adjustment part is provided with bumping post, and described bumping post and described helicla flute are slidably matched.
13. osteotomy guiders as claimed in claim 11, it is characterized in that, described first syndeton comprises the 3rd connecting rod, described second syndeton comprises the 4th connecting rod, one end of described 3rd connecting rod and described 4th connecting rod is all fixedly installed on described butting section, the other end suspends, and described front side osteotomy part is slidably located on described 3rd connecting rod, and described rear side osteotomy part is all slidably located on described 4th connecting rod.
14. osteotomy guiders as claimed in claim 13, is characterized in that, described 3rd connecting rod and described 4th connecting rod is equal and have a steering angle between described bar portion.
15. osteotomy guiders as claimed in claim 1, is characterized in that, described front side osteotomy part and described rear side osteotomy part to be all slidably connected described chamfering osteotomy part by the guide pillar that cooperatively interacts and guide pillar pore structure.
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| CN201410325898.XA CN105310743B (en) | 2014-07-09 | 2014-07-09 | A kind of osteotomy guider |
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| CN201410325898.XA CN105310743B (en) | 2014-07-09 | 2014-07-09 | A kind of osteotomy guider |
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| CN105310743B CN105310743B (en) | 2017-11-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108210014A (en) * | 2018-02-13 | 2018-06-29 | 苏州爱得科技发展股份有限公司 | A kind of osteotomy guide plate |
| CN111528968A (en) * | 2020-04-14 | 2020-08-14 | 武汉优联百康医疗科技有限公司 | Adjustable sacrum osteotomy guide plate |
| CN112603453A (en) * | 2020-12-18 | 2021-04-06 | 孟慧杰 | Vertebra opposite slotting device |
| CN112826568A (en) * | 2021-01-04 | 2021-05-25 | 南昌大学第二附属医院 | Femoral extramedullary positioning osteotomy device in knee joint replacement and using method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108210014A (en) * | 2018-02-13 | 2018-06-29 | 苏州爱得科技发展股份有限公司 | A kind of osteotomy guide plate |
| CN108210014B (en) * | 2018-02-13 | 2023-12-22 | 苏州爱得科技发展股份有限公司 | Osteotomy guide plate |
| CN111528968A (en) * | 2020-04-14 | 2020-08-14 | 武汉优联百康医疗科技有限公司 | Adjustable sacrum osteotomy guide plate |
| CN112603453A (en) * | 2020-12-18 | 2021-04-06 | 孟慧杰 | Vertebra opposite slotting device |
| CN112826568A (en) * | 2021-01-04 | 2021-05-25 | 南昌大学第二附属医院 | Femoral extramedullary positioning osteotomy device in knee joint replacement and using method thereof |
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| CN105310743B (en) | 2017-11-21 |
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