CN107595355B - Orthopedics is with thighbone distal end osteotomy device and positioner thereof - Google Patents
Orthopedics is with thighbone distal end osteotomy device and positioner thereof Download PDFInfo
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- CN107595355B CN107595355B CN201710852094.9A CN201710852094A CN107595355B CN 107595355 B CN107595355 B CN 107595355B CN 201710852094 A CN201710852094 A CN 201710852094A CN 107595355 B CN107595355 B CN 107595355B
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Abstract
The invention discloses a distal femur osteotomy device for orthopedics and a positioning device thereof, comprising a distal femur fixing plate, wherein the center of the upper surface of the distal femur fixing plate is connected with an intramedullary rod in a welding way, the lower surface of the distal femur fixing plate is welded with two second connecting plates, a lower end connecting fixing plate is arranged below the second connecting plates, the distal femur of a patient can be osteotomy through the distal femur fixing plate, the distal femur fixing plate is provided with a groove, the distal femur of the patient can be fixed through the groove, so that the fixation is more convenient, the proximal femur of the patient can be connected through the lower end connecting fixing plate, the distal femur is prevented from twisting, the fixation is more comprehensive, and the positioning plate can be used for positioning, the distal femur osteotomy device for orthopedics and the positioning device thereof have simple structures and convenient installation, and can not only prevent rotation, and can fix more conveniently, provide convenience for the doctor.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an orthopedic femur distal osteotomy device and a positioning device thereof.
Background
With the overall entrance of China into the aging society, more and more elderly osteoarthropathy patients aged over 65 are available, and the total knee replacement becomes an effective method for treating the advanced osteoarthropathy, so that the pain can be relieved, the functions can be improved, and the life quality can be improved. Firstly, the depth of the osteotomy at the distal end is appropriate, and the osteotomy is too shallow or too deep, which can cause asymmetry of the flexion-extension gap; secondly, the osteotomy plane needs to form a proper angle with the femur dissection axis and is perpendicular to a lower limb force line (femur mechanical axis), so that the position and the direction of the knee joint femur prosthesis meet the mechanical requirements after the operation, the knee joint replacement operation is guaranteed to be successful.
Disclosure of Invention
The invention aims to overcome the existing defects and provides an orthopedic distal femur osteotomy device and a positioning device thereof, which have the advantages of simple structure, convenient installation, capability of preventing rotation, more convenient fixation, convenience for doctors and effective solution to the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thighbone distal end cuts bone device and positioner thereof for orthopedics, includes thighbone distal end fixed plate, the upper surface center of thighbone distal end fixed plate is connected with the intramedullary pole through the welded mode, thighbone distal end fixed plate lower surface welding has two second connecting plates, the below of second connecting plate is equipped with lower extreme connection fixed plate, and the upper surface of lower extreme connection fixed plate is equipped with two first connecting plates, connects through connecting the pivot between two first connecting plates and the second connecting plate.
As a preferable technical scheme of the invention, the upper surface and the lower surface of the femur far-end fixing plate, which are connected with the fixing plate, are provided with grooves, and the insides of the grooves are of arc structures.
According to a preferable technical scheme of the invention, sliding grooves are formed in the lower sides of the two ends of the femur far-end fixing plate, an adjusting plate is arranged in each sliding groove, and a positioning plate is welded at the upper end of each adjusting plate.
As a preferable technical scheme of the invention, the adjusting plate is of an L-shaped structure, and the lower end of a vertical plate of the adjusting plate is of an arc-shaped structure.
According to a preferable technical scheme of the invention, fixing bolt buckles are welded on two sides of each positioning plate, the fixing bolt buckles on the two positioning plates correspond to each other one by one, and bolt holes are formed in the fixing bolt buckles.
As a preferred technical scheme of the invention, the two positioning plates correspond to each other left and right, the positioning plates are of arc structures, and anti-skid grains are arranged on one sides of the positioning plates opposite to each other.
As a preferred technical solution of the present invention, two fixing through holes are provided at a lower end of one side of the adjusting plate, and threaded holes corresponding to the fixing through holes are provided at two ends of the distal femur fixing plate.
As a preferred technical scheme of the invention, two connecting lug plates are arranged on two sides of the lower surface of the fixing plate, and two positioning screw holes are arranged at the lower ends of the connecting lug plates
As a preferred technical scheme of the invention, each positioning plate is provided with six fixing bolt buckles, and the six fixing bolt buckles are uniformly distributed on two sides of the positioning plate
According to a preferable technical scheme of the invention, a titanium alloy layer is plated in the grooves of the femur far-end fixing plate and the lower end connecting fixing plate, and anti-skid grains are arranged on the upper surface of the titanium alloy layer.
Compared with the prior art, the invention has the beneficial effects that: this orthopedics is with thighbone distal end device of cutting bone and positioner is last to have set up thighbone distal end fixed plate, can cut the bone to patient's thighbone distal end through thighbone distal end fixed plate, and set up the recess on the thighbone distal end fixed plate, can carry out thighbone distal end to patient through the recess and fix, it is more convenient to make fixed, can connect the thighbone near-end that the fixed plate can be to patient's below through the lower extreme, prevent that the thighbone distal end from taking place the wrench movement, it is more comprehensive to fix, can fix a position through the locating plate, this orthopedics is with thighbone distal end device of cutting bone and positioner simple structure, high durability and convenient installation, not only can prevent to take place the rotation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention.
In the figure: 1 locating plate, 2 fixed bolt buckles, 3 thighbone distal end fixed plates, 4 lower extreme connection fixed plates, 5 connection otic placodes, 6 location screw holes, 7 fixed through hole, 8 regulating plates, 9 intramedullary rods, 10 first connecting plates, 11 second connecting plates, 12 connection pivot, 13 slip recesses.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a distal femur osteotomy device for orthopedics and a positioning device thereof comprise a distal femur fixing plate 3, wherein a distal femur of a patient can be osteotomy-cut through the distal femur fixing plate 3, the center of the upper surface of the distal femur fixing plate 3 is connected with an intramedullary rod 9 in a welding way, the distal femur fixing plate 3 can be fixed through the intramedullary rod 9, so that the distal femur fixing plate 3 is more firmly connected, two second connecting plates 11 are welded on the lower surface of the distal femur fixing plate 3, a lower end connecting fixing plate 4 is arranged below the second connecting plates 11, two first connecting plates 10 are arranged on the upper surface of the lower end connecting fixing plate 4, the two first connecting plates 10 and the second connecting plates 11 are connected through a connecting rotating shaft 12, grooves are arranged on the upper surface of the distal femur fixing plate 3 and the lower surface of the lower end connecting fixing plate 4, and the inside of the grooves is of, the femur far-end fixing plate 3 and the groove of the lower end connecting fixing plate 4 are internally plated with a titanium alloy layer, the upper surface of the titanium alloy layer is provided with anti-skid threads, the femur far-end fixing of a patient can be carried out through the grooves, so that the fixing is more convenient, the lower sides of the two ends of the femur far-end fixing plate 3 are provided with sliding grooves 13, adjusting plates 8 are arranged inside the sliding grooves 13, the upper ends of the adjusting plates 8 are welded with positioning plates 1, the adjusting plates 8 are in L-shaped structures, the lower ends of the vertical plates of the adjusting plates 8 are in arc-shaped structures, fixing bolt buckles 2 are welded on the two sides of the positioning plates 1, the fixing bolt buckles 2 on the two positioning plates 1 correspond one by one, bolt holes are arranged on the fixing bolt buckles 2, each positioning plate 1 is provided with six fixing bolt buckles 2, the six fixing bolt buckles 2 are uniformly distributed on the two, the device is fixed and the connection is more stable, the two positioning plates 1 correspond to each other left and right, the positioning plates 1 are of arc structures, the anti-slip patterns are arranged on one opposite sides of the positioning plates 1, the positioning plates 1 are connected with the bones of a patient more stably through the anti-slip patterns, two fixing through holes 7 are arranged at the lower ends of one sides of the adjusting plates 8, threaded holes corresponding to the fixing through holes 7 are arranged at the two ends of the distal femur fixing plate 3, the distance between the two positioning plates 1 can be adjusted through the adjusting plates 8, the adjustment is more convenient, two connecting ear plates 5 are arranged on the two sides of the lower surface of the fixing plate 4, two positioning screw holes 6 are arranged at the lower ends of the connecting ear plates 5, the lower end connecting fixing plate 4 can be fixedly connected with the lower end of the patient through the positioning screw holes 6, the bones can be prevented from rotating, the positioning is more comprehensive, and, the installation is convenient, the rotation can be prevented, the fixation is more convenient, and convenience is provided for doctors.
When in use: the femur far end of a patient is placed in a groove of a femur far end fixing plate 3, an intramedullary rod 9 is inserted into bone marrow of the femur far end to fix the femur far end fixing plate 3, an adjusting plate 8 slides in a sliding groove 13 to adjust the distance between two positioning plates 1, two one-to-one corresponding fixing bolt buckles 2 are connected through bolts to fix the positioning plates 1 on bones of the patient, the lower end of the adjusting plate 8 is fixed on the femur far end fixing plate 3 through bolts, the femur near end below the patient is connected through a lower end connecting and fixing plate 4, and the lower end connecting and fixing plate 4 is fixedly connected with the lower end of the patient through a positioning screw hole 6 to prevent the femur far end from rotating.
According to the distal femur osteotomy device for orthopedics and the positioning device thereof, the distal femur fixing plate 3 can be used for osteotomy of the distal femur of a patient, the groove is formed in the distal femur fixing plate 3, the distal femur of the patient can be fixed through the groove, so that the fixation is more convenient, the proximal femur of the lower part of the patient can be connected through the lower end connecting and fixing plate 4, the distal femur is prevented from twisting, the fixation is more comprehensive, and the positioning can be performed through the positioning plate 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a positioner is cut to distal femur for orthopedics, includes distal femur fixed plate (3), its characterized in that: the center of the upper surface of the femur far-end fixing plate (3) is connected with an intramedullary rod (9) in a welding mode, two second connecting plates (11) are welded on the lower surface of the femur far-end fixing plate (3), a lower end connecting fixing plate (4) is arranged below the second connecting plates (11), two first connecting plates (10) are arranged on the upper surface of the lower end connecting fixing plate (4), and the two first connecting plates (10) are connected with the second connecting plates (11) through connecting rotating shafts (12); grooves are formed in the upper surface of the femur far-end fixing plate (3) and the lower surface of the lower end connecting fixing plate (4), and arc-shaped structures are arranged inside the grooves; sliding grooves (13) are formed in the lower sides of the two ends of the femur far-end fixing plate (3), an adjusting plate (8) is arranged in each sliding groove (13), and a positioning plate (1) is welded at the upper end of each adjusting plate (8); the adjusting plate (8) is of an L-shaped structure, and the lower end of a vertical plate of the adjusting plate (8) is of an arc-shaped structure;
fixing bolt buckles (2) are welded on two sides of the positioning plates (1), the fixing bolt buckles (2) on the two positioning plates (1) correspond to each other one by one, and bolt holes are formed in the fixing bolt buckles (2); two fixing through holes (7) are formed in the lower end of one side of the adjusting plate (8), and threaded holes corresponding to the fixing through holes (7) are formed in the two ends of the femur far-end fixing plate (3); six fixing bolt buckles (2) are arranged on each positioning plate (1), and the six fixing bolt buckles (2) are uniformly distributed on two sides of the positioning plate (1).
2. The distal femoral osteotomy positioning device of claim 1, further comprising: the two positioning plates (1) correspond to each other left and right, the positioning plates (1) are of arc-shaped structures, and anti-skidding grains are arranged on one sides, opposite to the positioning plates (1).
3. The distal femoral osteotomy positioning device of claim 1, further comprising: two connecting lug plates (5) are arranged on two sides of the lower surface of the lower end connecting fixing plate (4), and two positioning screw holes (6) are formed in the lower ends of the connecting lug plates (5).
4. The distal femoral osteotomy positioning device of claim 1, further comprising: the femur far-end fixing plate (3) and the groove of the lower end connecting fixing plate (4) are internally plated with a titanium alloy layer, and the upper surface of the titanium alloy layer is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852094.9A CN107595355B (en) | 2017-09-20 | 2017-09-20 | Orthopedics is with thighbone distal end osteotomy device and positioner thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852094.9A CN107595355B (en) | 2017-09-20 | 2017-09-20 | Orthopedics is with thighbone distal end osteotomy device and positioner thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107595355A CN107595355A (en) | 2018-01-19 |
| CN107595355B true CN107595355B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710852094.9A Expired - Fee Related CN107595355B (en) | 2017-09-20 | 2017-09-20 | Orthopedics is with thighbone distal end osteotomy device and positioner thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109566000B (en) * | 2019-01-22 | 2021-07-20 | 绍兴钱康机械科技有限公司 | Seed soaking device convenient for seed taking and guaranteeing seed safety |
| CN112451034B (en) * | 2020-11-26 | 2022-02-22 | 莆田学院附属医院（莆田市第二医院） | Artificial intelligence aided design 3D printed knee joint replacement osteotomy guider |
| CN114176712B (en) * | 2021-12-06 | 2023-07-07 | 开封市人民医院 | Femur trial condyle secondary osteotomy device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090088763A1 (en) * | 2007-09-30 | 2009-04-02 | Aram Luke J | Customized Patient-Specific Bone Cutting Block with External Reference |
| WO2011063123A2 (en) * | 2009-11-19 | 2011-05-26 | Medicinelodge, Inc. Dba Imds Co-Innovation | Articulating and position adjustable trial systems for prosthetic implants |
| CN205795767U (en) * | 2016-05-26 | 2016-12-14 | 中国人民解放军第三军医大学第二附属医院 | Femur osteotomy locating template and osteotomy device |
| CN106974700A (en) * | 2017-04-24 | 2017-07-25 | 北京大学第三医院 | A kind of proximal tibia osteotomy instrument kit |
| CN107007319B (en) * | 2017-05-18 | 2024-01-12 | 聂宇 | Tibia unicondylar osteotomy device |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Ren Zhijuan Inventor after: Wu Zhihui Inventor after: Ma Jixiang Inventor after: Li Yongwei Inventor before: Li Yongwei |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201015 Address after: Kyushu road Hebi Qibin zone 458000 Henan province No. 115 Applicant after: THE PEOPLE'S HOSPITAL OF HEBI Address before: 550000 No. 88 Yan'an Middle Road, Yunyan District, Guiyang City, Guizhou Province (2012) Applicant before: Li Yongwei |
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Granted publication date: 20201106 Termination date: 20210920 |