CN103120600A - 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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- CN103120600A CN103120600A CN2011103702322A CN201110370232A CN103120600A CN 103120600 A CN103120600 A CN 103120600A CN 2011103702322 A CN2011103702322 A CN 2011103702322A CN 201110370232 A CN201110370232 A CN 201110370232A CN 103120600 A CN103120600 A CN 103120600A
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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 be used for osteotomy plate fixed platform and the ankle cave work platforms of this Tibial osteotomy navigation system.
Background technology
The Tibial osteotomy apparatus that uses in knee prosthesis at present is mainly the Tibial osteotomy navigation system, it comprise be arranged at the top be used for fixed tibial to carry out the osteotomy plate fixed platform of osteotomy, with the ankle cave work platforms that is used for SACHfoot adaptor that is arranged at the below, in use, embracing of the osteotomy plate of osteotomy plate fixed platform and ankle cave work platforms needs to keep a fixedly hypsokinesis angle between ankle device working face.
In prior art, determine the lower limb line of force with traditional mechanical line of force bar, repeatedly Reusability machinery line of force bar, pull back an armful ankle device end hypsokinesis line of force bar and determine the hypsokinesis angle.
Because the line of force bar of frame for movement is heavier, use complexity, in the operation process of reality, surgical doctor is often determined back rake angle by rule of thumb, in the detent force line process, the clinicist need to waste very large energy and seek 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 caused adverse effect.
Therefore, the hypsokinesis angle of the prior art utilization machinery line of force bar osteotomy plate of determining above-mentioned osteotomy plate fixed platform and armful ankle device working face of ankle cave work platforms have error greatly, complicated operation and inefficient defective.
Summary of the invention
For problems of the prior art, purpose of the present invention is for providing a kind of ankle cave work platforms and a kind of osteotomy plate fixed platform, with common solution prior art utilize 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.
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:
A kind of osteotomy plate fixed platform is used for the Tibial osteotomy navigation system, and this osteotomy plate fixed platform comprises: the osteotomy work platforms; The 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.
A kind of ankle cave work platforms is used for the Tibial osteotomy fixed platform, and described ankle cave work platforms comprises: embrace the ankle device; Horizontal sliding bar extends along described armful of ankle device centrage; Fixed mount slidably is sheathed on above described horizontal sliding bar, 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, be used for and be the direct light that penetrates from the bottom surface and the reflected light vertical with described direct light that penetrates from the side from the laser light splitting that the laser aid that its end face is injected is launched: 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 efficient, reduced doctor and patient's burden.
Description of drawings
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 the 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 be described in detail in the following description.Be understood that the present invention can have various variations on different embodiment, its neither departing 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 the osteotomy plate fixed platform of the embodiment of the present invention and the preferred embodiment of the present invention.The osteotomy plate fixed platform of the preferred embodiment of the present invention needs to match with the osteotomy plate fixed platform of the preferred embodiment of the present invention, jointly reaches the purpose of Tibial osteotomy location.
The present invention is the principle by laser alignment, carry out the location of Tibial osteotomy, at first the electro-optical system by being formed by generating laser and laser pickoff, guarantee in osteotomy work platforms 23 and the ankle cave work platforms in osteotomy plate fixed platform 21 embrace the parallel of ankle device working face 110, and then guarantee the suitable hypsokinesis angle of maintenance between osteotomy plate 25 and osteotomy work platforms 23.
Above-mentioned electro-optical system, the transmitting terminal of its laser are 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.
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, can slide on horizontal sliding bar 12 so that be sheathed on the fixed mount 13 of horizontal sliding bar 12, 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, are provided with laser pickoff 16 on the base plate 130 of fixed mount 13, and end 133 tops of extending the base plate 130 of fixed mount 13 connect diaphragms 15.
Because fixed mount 13 can not be around horizontal sliding bar 12 rotations, therefore, when making with base plate 130 with embrace 110 leveling of ankle device working face after, 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 shape shown in Figure 1, and it also can be frame structure.
Be provided with laser pickoff 16 in fixed mount 13 and reach the circuit that is used for 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, the reflected light that prism 14 penetrates and direct light only have by diaphragm 15,18 through hole, 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 was not worked, each diaphragm all can play the effect of being in the light, and prevented 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 in prism 14 and becomes the reflecting surface of miter angle with the plane of incidence, and incident illumination a is divided into two bundle orthogonal laser beam b, c, and wherein incident illumination a rotates a degree, and reflected light just rotates the 2a degree.Like this, when the laser that sends at laser aid is not responded by laser pickoff, can amplify offset error, the convenient operation person is the process of location to accelerate to aim at accurately.
Below, then introduce the 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 used for nail and is located at proximal tibia.Be arranged with sleeve 212 on locating rod 21, 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.
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 used for locking upset version 24 after returning face plate 24 rotate in place.There is a space to be used for the standard hypsokinesis piece 232 of accommodating wedge shape between returning face plate 24 and osteotomy work platforms 23.
Vertically be connected with vertical slide bar 242 above the free end of returning face plate 24, osteotomy plate 25 is set on vertical slide bar 242, make osteotomy plate 25 to slide 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.Adjusting bolt 243 also is used for 25 rotations of osteotomy plate or the rear locking osteotomy plate 25 that puts in place that slides.
Concrete set-up mode, and the choosing of laser aid are described in the introduction to work process below 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 to combine with the osteotomy plate fixed platform 2 of the preferred embodiment of the present invention, 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, the 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 an ankle cave work platforms 1;
2, the clinician determines tibial tubercle and 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 namely 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 the Tibial osteotomy operation process, and existing operating theater instruments hypsokinesis angle does not quantize, and the shortcoming that needs clinician's experience to determine has accurately been located osteotomy hypsokinesis angle; The present embodiment is to determine the position of osteotomy work platforms 23 by the principle of laser alignment; 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 for ready for the hypsokinesis pieces of 3,5,8,10 commonly used degree 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 the 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 gets final product less than 2.5mrad, the less angle of divergence can be better the electric light source characteristic of assurance laser, strengthen positioning accuracy, 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), when the situation that two laser pickoffs all respond, locked osteotomy work platforms 23, insert a standard hypsokinesis piece 232 and determine the position of osteotomy plate 23, then lock osteotomy plate 25.
The below introduces the work process of the Tibial osteotomy navigation system of second embodiment of the invention again:
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 can laser range finder 27 be set below returning face plate 24 or below osteotomy plate 25.Certainly, also can be with the location swap of generating laser and laser range finder.Below, 23 times generating laser 26 to be set at the osteotomy work platforms, at the osteotomy plate, laser range finder 27 to be set for 25 times and to describe 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 namely 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 determining laser alignment, then drive the slip of laser pickoff 16 by moving slider, determine the back rake angle of osteotomy plate 25, the process of specific implementation is: laser emitter 26 is sent a beam divergence angle less than the red laser 7 of 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 the time, the location positioning of osteotomy work platforms 23, laser range finder 27 begins range finding, the before measurement of for example performing the operation measures knows 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 a little and the distance between slide gauge, suppose the A point of laser irradiation this moment to the slide gauge, therefore laser is sent a little and the distance between slide gauge is designated as OA, distance between the initial position B of laser pickoff 16 and A point, the distance that is also the required movement of laser pickoff is designated as AB, in the situation that known hypotenuse OA and angle [alpha], (sin α=AB/OA) calculates the distance A B (being also the corresponding right-angle side of α) that slide block need to move by the sine computing formula, only need in operation to read by slide gauge 19 the distance A B that slide block moves, 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 break away 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 osteotomy plate fixed platform, be used for the Tibial osteotomy navigation system, it is characterized in that, this osteotomy plate fixed platform comprises:
The osteotomy work platforms;
The 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.
2. osteotomy plate fixed platform as claimed in claim 1, 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 in above the osteotomy work platforms, has an accommodation space between described returning face plate and described osteotomy work platforms; And
Vertical slide bar vertically is fixedly connected on described returning face plate, and described osteotomy plate is rotatable is sheathed on described vertical slide bar.
3. osteotomy plate fixed platform as claimed in claim 2, is characterized in that, also is provided with described laser aid on the lower surface of described returning face plate or described osteotomy plate, and one of them described laser aid is laser range finder.
4. an ankle cave work platforms, be used for the Tibial osteotomy fixed platform, it is characterized in that, described ankle cave work platforms comprises:
Embrace the ankle device;
Horizontal sliding bar extends along described armful of ankle device centrage;
Fixed mount slidably is sheathed on above described horizontal sliding bar, 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, and the laser light splitting that is used for the laser aid emission that will inject from its end face is the direct light that penetrates from the bottom surface and the reflected light vertical with described direct light of ejaculation from the side;
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.
5. ankle as claimed in claim 4 cave work platforms, it is characterized in that, vertically be connected with the diaphragm with a central through hole from the end top of the extended plate of described base plate of described fixed mount, described the second photoelectric sensor is arranged at a described central through hole side of described Amici prism dorsad.
6. ankle as claimed in claim 5 cave work platforms, is characterized in that, described diaphragm has aiming target on the surface of described Amici prism.
7. ankle as claimed in claim 5 cave work platforms, is characterized in that, is provided with slide gauge on the base plate of described fixed mount, and described the first photoelectric sensor can slide along the scale direction of described slide gauge.
8. a Tibial osteotomy navigation system, is characterized in that, this Tibial osteotomy navigation system has osteotomy plate fixed platform claimed in claim 1 and ankle claimed in claim 5 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, has an accommodation space between described returning face plate and described osteotomy work platforms, vertically is 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;
Vertically be connected with diaphragm from the end top of the extended plate of described base plate of described fixed mount, has a central through hole on described diaphragm, 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,
Also be provided with described laser aid on the lower surface of described returning face plate or described osteotomy plate, and one of them described laser aid is laser range finder;
Be provided with slide gauge on the base plate of described fixed mount, described the first photoelectric sensor can slide along the scale direction of described slide gauge.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| CN103120600A true CN103120600A (en) | 2013-05-29 |
| CN103120600B 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009322A (en) * | 2018-08-22 | 2018-12-18 | 北京威高亚华人工关节开发有限公司 | Multi-panel osteotomy plate |
| CN110353790A (en) * | 2019-06-28 | 2019-10-22 | 天津大学 | A kind of tool that auxiliary exter-nal fixer branch is parallel with the lower limb line of force |
| 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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| 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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| US4952213A (en) * | 1989-02-03 | 1990-08-28 | Boehringer Mannheim Corporation | Tibial cutting guide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009322A (en) * | 2018-08-22 | 2018-12-18 | 北京威高亚华人工关节开发有限公司 | Multi-panel osteotomy plate |
| 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 |
| CN110353790A (en) * | 2019-06-28 | 2019-10-22 | 天津大学 | A kind of tool that auxiliary exter-nal fixer branch is parallel with the lower limb line of force |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103120600B (en) | 2014-10-15 |
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