CN103120600B - Tibia osteotomy positioning system and osteotomy plate fixing platform and ankle mortise working platform - Google Patents
Tibia osteotomy positioning system and osteotomy plate fixing platform and ankle mortise working platform Download PDFInfo
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- CN103120600B CN103120600B CN201110370232.2A CN201110370232A CN103120600B CN 103120600 B CN103120600 B CN 103120600B CN 201110370232 A CN201110370232 A CN 201110370232A CN 103120600 B CN103120600 B CN 103120600B
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Abstract
The invention discloses a tibia osteotomy positioning system and an ankle mortise working platform and an osteotomy plate fixing platform. The osteotomy plate fixing platform comprises an osteotomy working platform, an osteotomy plate and a laser device, wherein an adjustable angle is formed between the osteotomy plate and the osteotomy working platform, the laser device is arranged on the lower surface of the osteotomy working platform, and the laser device is a laser transmitter or a laser rangefinder. Laser alignment principle and a beam splitter prism are adopted to determine a reclining angle between the working planes of the osteotomy plate and an ankle holding device. The tibia osteotomy positioning system and the osteotomy plate fixing platform and the ankle mortise working platform improve alignment accuracy, simplify operation, improve operation efficiency, and reduce burden of doctors and patients.
Description
Technical field
The present invention relates to the medical apparatus and instruments for osteotomy, relate in particular to a Tibial osteotomy navigation system and for osteotomy plate fixed platform and the ankle cave work platforms of this Tibial osteotomy navigation system.
Background technology
The Tibial osteotomy apparatus using in knee prosthesis is at present mainly Tibial osteotomy navigation system, it comprise be arranged at top for fixed tibial to carry out the osteotomy plate fixed platform of osteotomy, with the ankle cave work platforms for SACHfoot adaptor that is arranged at below, in use, embracing between ankle device working face of the osteotomy plate of osteotomy plate fixed platform and ankle cave work platforms needs to keep a fixedly hypsokinesis angle.
In prior art, with traditional mechanical line of force bar, determine the lower limb line of force, repeatedly Reusability machinery line of force bar, pulls back an armful ankle device end hypsokinesis line of force bar and determines hypsokinesis angle.
Because the line of force bar of frame for movement is heavier, use complexity, in actual operation process, surgical doctor is often determined back rake angle by rule of thumb, in detent force line process, clinicist need to waste very large energy and find the line of force, has so not only caused the waste of manpower, has increased the time of operation, increased the weight of doctor's work load, increased patient's mental burden, and in hypsokinesis osteotomy process, error is larger, patient's postoperative rehabilitation and functional exercise meeting are caused to adverse effect.
Therefore, prior art utilization machinery line of force bar determine the hypsokinesis angle of the osteotomy plate of above-mentioned osteotomy plate fixed platform and armful ankle device working face of ankle cave work platforms have error greatly, complicated operation and inefficient defect.
Summary of the invention
For problems of the prior art, object of the present invention is for a kind of ankle cave work platforms and a kind of osteotomy plate fixed platform are provided, and utilizes that line of force bar determines that hypsokinesis angular error between osteotomy plate and ankle cave work platforms is large, complicated operation and inefficient technical problem jointly to solve prior art.
Another object of the present invention is for providing a kind of Tibial osteotomy navigation system with ankle of the present invention cave work platforms and osteotomy plate fixed platform of the present invention.
For achieving the above object, technical scheme of the present invention is as follows:
An osteotomy plate fixed platform, for Tibial osteotomy navigation system, this osteotomy plate fixed platform comprises: osteotomy work platforms; Osteotomy plate, is an angle adjustable with described osteotomy work platforms; And laser aid, being arranged at the lower surface of described osteotomy work platforms, this laser aid is generating laser or laser range finder.
An ankle cave work platforms, for Tibial osteotomy fixed platform, described ankle cave work platforms comprises: embrace ankle device; Horizontal sliding bar, extends along described armful of ankle device centrage; Fixed mount, is slidably sheathed on described horizontal sliding bar top, and the base plate of described fixed mount is parallel with the working face of described armful of ankle device; Amici prism, be fixedly connected on the top of described fixed mount, it for the laser light splitting that the laser aid of injecting from its end face is launched, is the direct light penetrating from bottom surface and the reflected light vertical with described direct light penetrating from the side: the first photoelectric sensor, be arranged at described base plate, to receive and to respond described direct light; The second photoelectric sensor, is arranged at the side of described prism, to receive and to respond described reflected light.
Tibial osteotomy navigation system of the present invention, has osteotomy plate fixed platform of the present invention and ankle of the present invention cave work platforms.
Beneficial effect of the present invention is, Tibial osteotomy navigation system of the present invention and ankle cave work platforms thereof and osteotomy plate fixed platform, use principle and the Amici prism of laser alignment to replace frame for movement of the prior art, replace the mechanical line of force, and the hypsokinesis angle between definite osteotomy plate and armful ankle device working face, improved alignment precision, simplified operation, improve operation efficiency, reduced doctor and patient's burden.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the ankle cave work platforms of the preferred embodiment of the present invention.
Fig. 2 is the schematic diagram of aiming target.
Fig. 3 is Amici prism schematic diagram.
Fig. 4 is the schematic diagram of the standard hypsokinesis piece of wedge shape.
The schematic diagram of the osteotomy plate fixed platform of Fig. 5 preferred embodiment of the present invention.
Fig. 6 is the schematic diagram of the Tibial osteotomy navigation system of first embodiment of the invention.
Fig. 7 is the work process schematic diagram of the Tibial osteotomy navigation system of second embodiment of the invention.
The specific embodiment
The exemplary embodiments that embodies feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various variations on different embodiment, it neither departs from the scope of the present invention, and explanation wherein and accompanying drawing be when the use that explain in itself, but not in order to limit the present invention.
The Tibial osteotomy navigation system of the embodiment of the present invention has the ankle cave work platforms of osteotomy plate fixed platform and the preferred embodiment of the present invention of the embodiment of the present invention.The osteotomy plate fixed platform of the preferred embodiment of the present invention, need match with the osteotomy plate fixed platform of the preferred embodiment of the present invention, jointly reaches the object of Tibial osteotomy location.
The present invention is the principle by laser alignment, carry out the location of Tibial osteotomy, first by the electro-optical system being formed by generating laser and laser pickoff, guarantee osteotomy work platforms 23 in osteotomy plate fixed platform 2 with in the work platforms of ankle cave 1 embrace the parallel of ankle device working face 110, and then guarantee to keep between osteotomy plate 25 and osteotomy work platforms 23 suitable hypsokinesis angle.
Above-mentioned electro-optical system, the transmitting terminal of its laser is arranged on osteotomy plate fixed platform 2, and the receiving terminal of laser is arranged on ankle cave work platforms 1.Certainly, transmitting terminal and receiving terminal also can exchange.
Below, paper laser pick-off end, is also the ankle cave work platforms 1 of the preferred embodiment of the present invention.
As described in Figure 1, the ankle cave work platforms 1 of the preferred embodiment of the present invention comprises: embrace ankle device 11, horizontal sliding bar 12, fixed mount 13, prism 14, diaphragm 15 and laser pickoff 16,17.Its each parts below make introductions all round.
Embrace ankle device 11 for fixing anklebone, structure is identical with armful ankle device of function and prior art, and the scale 111 on it is for definite ankle cave central point, and the plane at scale 111 places is an armful ankle device working face 110.
Horizontal sliding bar 12 extends on the centrage of embracing ankle device 11, and the cross section of horizontal sliding bar 12 is for example rectangle or ellipse, so that be sheathed on the fixed mount 13 of horizontal sliding bar 12, can on horizontal sliding bar 12, slide, but can not be around horizontal sliding bar 12 axis rotations.
Fixed mount 13 bottoms are sheathed on horizontal sliding bar 12, and fixed mount 13 tops are fixedly connected with prism 14, on the base plate 130 of fixed mount 13, are provided with laser pickoff 16, and end 133 tops of extending the base plate 130 of fixed mount 13 connect diaphragm 15.
On fixed mount 13 top boards, be provided with the upper connecting portion 131 for connecting prism 14, base plate 130 lower surfaces of fixed mount 13 are provided with for being set with the lower connecting portion 132 of horizontal sliding bar 12.
Because fixed mount 13 can not be around horizontal sliding bar 12 rotations, therefore, when making by base plate 130 with embrace after 110 leveling of ankle device working face, can remain parallel relation between the two, therefore, guarantee osteotomy work platforms 23 and embrace parallel between ankle device working face 110, can be converted into parallel between assurance osteotomy work platforms 23 and base plate 130.
Fixed mount 13 is not limited to the shape shown in Fig. 1, and it also can be frame structure.
In fixed mount 13, be provided with laser pickoff 16 and for the circuit of this laser pickoff 16, the top board 134 of fixed mount 13 can be a diaphragm 18 with through hole 180, as shown in Figure 7, the through hole 180 of diaphragm 18 is the path channels for the light directive laser pickoff 16 of prism 14 ejaculations.The same with diaphragm 15, reflected light and direct light that prism 14 penetrates only have by the through hole of diaphragm 15,18, just can arrive laser pickoff 16,17, and make corresponding response by laser pickoff 16,17.Therefore, diaphragm 15,18 has played the effect of thick aiming, has improved alignment precision.When laser aid is not worked, each diaphragm all can play the effect of being in the light, and prevents that other light of operating room from disturbing laser pickoff 16,17.
As shown in Figure 3, upper connecting portion 131 is fixedly connected on the both sides of prism 14; Prism 14 is Amici prisms, has one and become the reflecting surface of miter angle with the plane of incidence in prism 14, and incident illumination a is divided into the orthogonal laser beam b of two bundles, c, and wherein incident illumination a rotates a degree, and reflected light just rotates 2a degree.Like this, when the laser sending at laser aid is not responded by laser pickoff, can amplify offset error, convenient operation person is the process of location to accelerate to aim at accurately.
Diaphragm 15 is vertically connected at end 133 tops, and diaphragm 15 has a central through hole 150, and the back side of central through hole 150 is provided with laser pickoff 17.The front of diaphragm 15, namely, towards the one side of prism 14, can be decorated with aiming target 151.The shape of aiming target 151 can be as shown in Figure 2, aiming target 151 center has the through hole 153 with central through hole 150 centerings of diaphragm 15, the effect of aiming target 151 is that user judges by naked eyes whether the laser of laser aid has aimed at target, if there is red point to occur on aiming target 151, also illustrate and do not aim at the mark, the scale on corresponding aiming target 151 can help the degree departing from objectives of distinguishing of user quantification.
Laser pickoff the 16, the 17th, a kind of photoelectric sensor, photoelectric sensor can adopt photodiode, phototriode, photoconductive resistance; This photoelectric sensor is a kind of element that optical signal is converted into the signal of telecommunication, if laser is injected laser pickoff 16,17, be equivalent to the input that photoelectric sensor has received optical signal, receive after the input of optical signal, be translated into the corresponding signal of telecommunication, to control corresponding phonation circuit sounding; For example the phonation circuit of laser pickoff 16 can send and drip (didi) sound, and the circuit for generating of laser pickoff 17 can send beeping sound (dudu), to point out user.
Below, then introduce Laser emission end, be also the osteotomy plate fixed platform 2 of the preferred embodiment of the present invention.
As shown in Figure 5, the osteotomy plate fixed platform 2 of the preferred embodiment of the present invention, mainly comprises locating rod 21, osteotomy work platforms 23, returning face plate 24, osteotomy plate 25 and laser aid 26.
Locating rod 21, its top bending be extended with locating rod 210, the end of locating rod 210 is connected with locating pin 211 downwards, locating pin 211 is located at proximal tibia for nail.On locating rod 21, be arranged with sleeve 212, sleeve 212 can slide up and down along locating rod 21, also can, around locating rod 21 axis rotations, after rotation or slip put in place, can use regulating handle 213 screwed in place.
Sleeve 212 ends, by Universal rotary ball, are also that ball pivot 214 is hinged with osteotomy work platforms 23, so that osteotomy work platforms 23 can, around the centre of sphere rotation of ball pivot 214, that is to say the universal locating rod 21 that is connected in of osteotomy work platforms 23.After being rotated in place, rotation regulating handle 215 is fixed.
The upper surface of osteotomy work platforms 23 is fixedly connected with gripper shoe 231, the gripper shoe 231 hinged returning face plates 24 in top, and adjusting bolt 241 is for locking upset version 24 after rotateing in place at returning face plate 24.Between returning face plate 24 and osteotomy work platforms 23, there is a space for the standard hypsokinesis piece 232 of accommodating wedge shape.
The free end top of returning face plate 24 is vertically connected with vertical slide bar 242, osteotomy plate 25 is set on vertical slide bar 242, osteotomy plate 25 can either be slided up and down along vertical slide bar 242, also can be around vertical slide bar 242 axis rotations, because osteotomy plate 23 is vertical with vertical slide bar 242, and therefore vertical slide bar 242 is perpendicular to returning face plate 24,, no matter how osteotomy plate 25 to rotate, all can keep and returning face plate 24 between parallel relation.After adjusting bolt 243 is also rotated for osteotomy plate 25 or slip puts in place, lock osteotomy plate 25.
Laser aid 26, can be arranged on the lower surface of osteotomy work platforms 23, returning face plate 24, osteotomy plate 25, and laser aid 26 can be both generating laser, can be also laser range finder.Laser range finder also has the function of generating laser concurrently.Do not have the generating laser of the visible ray of contaminative veiling glare all to can be used for the present invention, as blue light, green glow or HONGGUANG, but human eye is low compared with green glow, HONGGUANG for the sensitivity of blue light.The solid state laser volume of green glow is larger, is not suitable for surgical apparatus, so preferred semiconductor laser instrument red-emitting, and volume is little, cost is low and naked eyes identification is responsive, and power all can below 10mw.
Concrete set-up mode, and the choosing of laser aid, below to being described in the introduction of work process again.To introduce the work process of Tibial osteotomy navigation system of the present invention:
The work process of the Tibial osteotomy navigation system of paper first embodiment of the invention:
As shown in Figure 6, the tibia solution bone navigation system of first embodiment of the invention, is a simple and clear embodiment of the present invention.In the present embodiment, both can use the ankle cave work platforms 1 of the preferred embodiment of the present invention and the osteotomy plate fixed platform 2 of the preferred embodiment of the present invention to combine, also can adopt simple and clear setting as shown in Figure 6, for example osteotomy work platforms 23 is directly hinged with osteotomy plate 25, and the space between osteotomy work platforms 23 and osteotomy plate 25 can be used for placing the standard hypsokinesis piece 232 of wedge shape; Generating laser (or laser range finder) 26 is arranged at the lower surface of osteotomy work platforms 23.In ankle cave work platforms one side, embrace the fixed mount base plate 130 of sheathed fixed mount 13 on the horizontal litter 12 that ankle device 11 draws, fixed mount base plate 130 during fabrication with embrace ankle device 11 embrace the leveling of ankle device working face.Fixed mount 13 upper ends arrange Amici prism 14.Laser pickoff 16 is arranged on fixed mount base plate 130, and another laser pickoff 17 arranges and also can be fixedly connected on fixed mount base plate 130 (not shown)s.
The Tibial osteotomy navigation system of first embodiment of the invention, its work process is as follows:
1, clinician determines ankle cave centre mark point by the longest graduation mark on scale 111, and gauge point is crossed and embraced ankle device 11, fixedly ankle cave work platforms 1;
2, clinician determines tibial tubercle fixing osteotomy plate fixed platform 2;
3, open laser aid, the osteotomy work platforms 23 of rotary osteotomy plate fixed platform 2, laser pickoff 16 all sends response with laser pickoff 17, shows that osteotomy work platforms 23 is parallel with armful ankle device working face.
In the present embodiment, laser aid 26 is arranged at the lower surface of osteotomy work platforms 23, can be both generating laser, can be also laser range finder.
4, the position that standard hypsokinesis piece 232 is determined osteotomy plate 25 is put in osteotomy work platforms 23 tops;
5, fixing osteotomy plate 25, carries out osteotomy;
The present embodiment has solved in Tibial osteotomy operation process, and existing operating theater instruments hypsokinesis angle does not quantize, and needs clinician's experience to carry out definite shortcoming, has accurately located osteotomy hypsokinesis angle; The present embodiment is by the principle of laser alignment, to determine the position of osteotomy work platforms 23; Then the standard hypsokinesis piece 232 that inserts a fixed angle between osteotomy work platforms 23 and osteotomy plate 25 is determined the position of osteotomy plate 25; Standard hypsokinesis piece 232 is the hypsokinesis pieces of 3,5,8,10 conventional degree for ready for for example, also can be the hypsokinesis piece of more accurate a plurality of number of degrees (such as 5.1 degree, 5.2 degree etc.).The present embodiment quantizes hypsokinesis angle orientation, does not have error.
In the present embodiment, laser aid 26 and laser pickoff 16, 17 work process is: semiconductor laser transmitter 26 sends a branch of red laser, laser beam divergence is less than 2.5mrad, the less angle of divergence can be better the electric light source characteristic of assurance laser, strengthen positioning precision, laser is by Amici prism 14, produce two bundle laser, reflected light is by laser pickoff 17 responses (can send the sound of didi during response), direct light is by laser pickoff 16 responses (can send the sound of dudu), at two laser pickoffs, all respond situation time, locked osteotomy work platforms 23, insert a standard hypsokinesis piece 232 and determine the position of osteotomy plate 23, then lock osteotomy plate 25.
Introduce again the work process of the Tibial osteotomy navigation system of second embodiment of the invention below:
As shown in Figure 7, on the basis of the first embodiment, increase the position that laser aid is set, the first embodiment just arranges generating laser 26 at the lower surface of osteotomy work platforms 23, and in the present embodiment, also laser range finder 27 can be set below returning face plate 24 or below osteotomy plate 25.Certainly, also can be by the location swap of generating laser and laser range finder.Below, 23 times generating laser 26 to be set at osteotomy work platforms, at osteotomy plate, laser range finder 27 is set for 25 times and describes for example.
In addition, on the base plate 130 of fixed mount 13, groove is set, slide block is set in groove, laser pickoff 16 is arranged on slide block, the slip of slide block drives the slip of laser pickoff 16.As shown in Figure 7, slide gauge 19 is set, the scale direction of slide gauge 19 is consistent with the direction that laser pickoff 16 slides, and the glide direction of laser pickoff 16 is vertical with the bearing of trend of horizontal sliding bar 12.
The present embodiment is also to locate osteotomy work platforms 23 by the principle of definite laser alignment, then by moving slider, drive the slip of laser pickoff 16, determine the back rake angle of osteotomy plate 25, the process of specific implementation is: laser emitter 26 is sent the red laser 7 that a beam divergence angle is less than 2.5mrad, by Amici prism 14, produce two bundle red lasers, a branch of by laser pickoff 17 responses (can send the sound of didi during response), another bundle is by laser pickoff 16 responses (can send the sound of dudu), at two laser pickoffs 16, 17 all respond situation time, the location positioning of osteotomy work platforms 23, laser range finder 27 starts range finding, the pre-test of for example performing the operation is learnt patient's tibia hypsokinesis angle [alpha], the angle [alpha] between known laser diastimeter 27 and generating laser 26, laser range finder 27 Laser Measurement are sent the distance a little and between slide gauge, suppose that now laser irradiation is to the A point on slide gauge, therefore the distance of laser being sent a little and between slide gauge is designated as OA, distance between the initial position B of laser pickoff 16 and A point, also the distance that is the required movement of laser pickoff is designated as AB, the in the situation that of known hypotenuse OA and angle [alpha], by sine computing formula (sin α=AB/OA), calculate the distance A B (being also the corresponding right-angle side of α) that slide block need to move, in operation, only need read the distance A B that slide block moves by slide gauge 19, and moving slider, rotary osteotomy plate 25 makes laser pickoff 16 responses after slip, locked osteotomy plate 25, can carry out osteotomy.
Technical scheme of the present invention is disclosed as above by preferred embodiment.Those skilled in the art should recognize in the situation that do not depart from change and the retouching that scope and spirit of the present invention that the appended claim of the present invention discloses are done, within all belonging to the protection domain of claim of the present invention.
Claims (10)
1. an ankle cave work platforms, for Tibial osteotomy fixed platform, is characterized in that, described ankle cave work platforms comprises:
Embrace ankle device;
Horizontal sliding bar, extends along described armful of ankle device centrage;
Fixed mount, is slidably sheathed on described horizontal sliding bar top, and the base plate of described fixed mount is parallel with the working face of described armful of ankle device;
Amici prism, is fixedly connected on the top of described fixed mount, for being the direct light that penetrates from bottom surface and the reflected light vertical with described direct light of ejaculation from the side by the laser light splitting of the laser aid transmitting of injecting from its end face;
The first photoelectric sensor, is arranged at described base plate, to receive and to respond described direct light;
The second photoelectric sensor, is arranged at the side of described prism, to receive and to respond described reflected light.
2. ankle as claimed in claim 1 cave work platforms, it is characterized in that, from the end top of the extended plate of described base plate of described fixed mount, be vertically connected with the diaphragm with a central through hole, described the second photoelectric sensor is arranged at a described central through hole side of described Amici prism dorsad.
3. ankle as claimed in claim 2 cave work platforms, is characterized in that, described diaphragm has aiming target on the surface of described Amici prism.
4. ankle as claimed in claim 2 cave work platforms, is characterized in that, on the base plate of described fixed mount, is provided with slide gauge, and described the first photoelectric sensor can slide along the scale direction of described slide gauge.
5. an osteotomy plate fixed platform, for being used in conjunction with at a Tibial osteotomy navigation system and the arbitrary described ankle cave work platforms of claim 1-4, is characterized in that, this osteotomy plate fixed platform comprises:
Osteotomy work platforms;
Osteotomy plate, is an angle adjustable with described osteotomy work platforms; And
Laser aid, is arranged at the lower surface of described osteotomy work platforms, and this laser aid is generating laser or laser range finder, and the laser that this laser aid is launched is injected described Amici prism from the end face of this Amici prism.
6. osteotomy plate fixed platform as claimed in claim 5, is characterized in that, described osteotomy plate fixed platform also comprises:
Locating rod, described osteotomy work platforms is universal is connected in described locating rod;
Returning face plate, is articulated with osteotomy work platforms top, between described returning face plate and described osteotomy work platforms, has an accommodation space; And
Vertical slide bar, is vertically fixedly connected on described returning face plate, and described osteotomy plate is rotatable is sheathed on described vertical slide bar.
7. osteotomy plate fixed platform as claimed in claim 6, is characterized in that, on the lower surface of described returning face plate or described osteotomy plate, is also provided with described laser aid, and described in one of them, laser aid is laser range finder.
8. a Tibial osteotomy navigation system, is characterized in that, this Tibial osteotomy navigation system has osteotomy plate fixed platform claimed in claim 5 and ankle claimed in claim 1 cave work platforms.
9. Tibial osteotomy navigation system as claimed in claim 8, is characterized in that,
The universal a positioning rod that is connected in of described osteotomy work platforms; Described osteotomy work platforms top is hinged with a returning face plate, between described returning face plate and described osteotomy work platforms, has an accommodation space, is vertically fixedly connected with a vertical slide bar on described returning face plate, and described osteotomy plate is rotatable is sheathed on described vertical slide bar;
From the end top of the extended plate of described base plate of described fixed mount, be vertically connected with diaphragm, on described diaphragm, there is a central through hole, described the second photoelectric sensor is arranged at a described central through hole side of described Amici prism dorsad, and described diaphragm has aiming target on the surface of described Amici prism.
10. Tibial osteotomy navigation system as claimed in claim 9, is characterized in that,
On the lower surface of described returning face plate or described osteotomy plate, be also provided with described laser aid, and described in one of them, laser aid is laser range finder;
On the base plate of described fixed mount, be provided with slide gauge, described the first photoelectric sensor can slide along the scale direction of described slide gauge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110370232.2A CN103120600B (en) | 2011-11-18 | 2011-11-18 | Tibia osteotomy positioning system and osteotomy plate fixing platform and ankle mortise working platform |
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| CN201110370232.2A CN103120600B (en) | 2011-11-18 | 2011-11-18 | Tibia osteotomy positioning system and osteotomy plate fixing platform and ankle mortise working platform |
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| CN103120600A CN103120600A (en) | 2013-05-29 |
| CN103120600B true CN103120600B (en) | 2014-10-15 |
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| CN201110370232.2A Active CN103120600B (en) | 2011-11-18 | 2011-11-18 | Tibia osteotomy positioning system and osteotomy plate fixing platform and ankle mortise working platform |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009322B (en) * | 2018-08-22 | 2024-04-02 | 北京威高亚华人工关节开发有限公司 | Multi-face osteotomy plate |
| CN110353790B (en) * | 2019-06-28 | 2022-07-08 | 天津大学 | Tool for assisting parallel of branched chain of external bone fixator and force line of lower limb |
| CN110974434A (en) * | 2019-12-12 | 2020-04-10 | 北京航天控制仪器研究所 | Positioning device for orthopedic surgery |
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| US4952213A (en) * | 1989-02-03 | 1990-08-28 | Boehringer Mannheim Corporation | Tibial cutting guide |
| US5681316A (en) * | 1996-08-22 | 1997-10-28 | Johnson & Johnson Professional, Inc. | Tibial resection guide |
| CN2428102Y (en) * | 2000-07-14 | 2001-05-02 | 西安市红十字会医院 | Practical-combined tibiofibula fracture resetting-fixing device |
| CN2875337Y (en) * | 2006-03-21 | 2007-03-07 | 北京茵普兰科技发展有限公司 | Cnemis osteotomy device |
| US7510557B1 (en) * | 2000-01-14 | 2009-03-31 | Bonutti Research Inc. | Cutting guide |
| CN202313674U (en) * | 2011-11-18 | 2012-07-11 | 北京纳通科技集团有限公司 | Tibia osteotomy positioning system as well as ankle mortice working platform and bone cutting plate working platform thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8828013B2 (en) * | 2009-11-02 | 2014-09-09 | Synvasive Technology, Inc. | Bone positioning device and method |
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| US4952213A (en) * | 1989-02-03 | 1990-08-28 | Boehringer Mannheim Corporation | Tibial cutting guide |
| US5681316A (en) * | 1996-08-22 | 1997-10-28 | Johnson & Johnson Professional, Inc. | Tibial resection guide |
| US7510557B1 (en) * | 2000-01-14 | 2009-03-31 | Bonutti Research Inc. | Cutting guide |
| CN2428102Y (en) * | 2000-07-14 | 2001-05-02 | 西安市红十字会医院 | Practical-combined tibiofibula fracture resetting-fixing device |
| CN2875337Y (en) * | 2006-03-21 | 2007-03-07 | 北京茵普兰科技发展有限公司 | Cnemis osteotomy device |
| CN202313674U (en) * | 2011-11-18 | 2012-07-11 | 北京纳通科技集团有限公司 | Tibia osteotomy positioning system as well as ankle mortice working platform and bone cutting plate working platform thereof |
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