CN105877807A - Navigation device capable of accurately positioning high tibial osteotomy, and manufacturing method of navigation device - Google Patents
Navigation device capable of accurately positioning high tibial osteotomy, and manufacturing method of navigation device Download PDFInfo
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- CN105877807A CN105877807A CN201510903161.6A CN201510903161A CN105877807A CN 105877807 A CN105877807 A CN 105877807A CN 201510903161 A CN201510903161 A CN 201510903161A CN 105877807 A CN105877807 A CN 105877807A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
- A61B17/154—Guides therefor for preparing bone for knee prosthesis
- A61B17/157—Cutting tibia
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Abstract
The invention provides a navigation device capable of accurately positioning high tibial osteotomy. The navigation device comprises a positioning template and a bone cutting template, wherein the positioning template comprises a first fixing sheet, and navigation holes are formed in the first fixing sheet; the bone cutting template comprises a second fixing sheet, and a pendulum saw bone cutting groove is formed in the second fixing sheet. The invention further provides a manufacturing method of the navigation device capable of accurately positioning the high tibial osteotomy. The method comprises the following steps: collecting raw data, establishing a three dimensional model, determining a bone cutting plane and a bone cutting angle, designing navigation templates and making the navigation templates. Through the adoption of the navigation device and the manufacturing method thereof, which are disclosed by the invention, the diagnostic accuracy is further improved, the bone cutting accuracy is guaranteed, the limb alignment is restored, postoperative complications are reduced, and the functions of knee joints are improved.
Description
Technical field
The invention belongs to surgery mechanical equipment technical field, be specifically related to a kind of guider that can be accurately positioned High Tibial Osteotomy, the invention still further relates to the preparation method of a kind of guider that can be accurately positioned High Tibial Osteotomy.
Background technology
Genu varum is orthopaedics commonly encountered diseases, often it is secondary to rickets, poliomyelitis, injures the destructive disease such as infection outward, cause femur or Tibia Development deformity, change the lower limb line of force and knee joint contact pressure, cause double Leg length unbalanced, there is osteoarthritis in induction joint, thus causes limb pain, gait and abnormal appearance etc..The first report such as Jackson in 1958 valgus deformity in High Tibial Osteotomy (high tibial osteotomy, HTO) treatment knee joint, and obtain good effect, have also been obtained extensively application in clinic.
Mainly determine Osteotomy and osteotomy angle by preoperative x-ray traditionally, but affected according to factors such as positions by shooting distance, ray centerline angle and throwing, measured value is accurate not, is to be difficult to take the photograph sheet by x-ray or axial imaging carrys out accurate evaluation for complex three-dimensional poor healing and rotation deformity；Additionally, in two dimensional image, it is impossible to the lopsided angle of other planes beyond measurement frontal plane, it is impossible to measuring estimation from three-dimension layer in the face of deformity, cause preoperative evaluation deviation is bigger.During tradition osteotomy orthomorphia, typically require by constantly adjusting position under doctor personal experience, repeatedly osteotomy and C-arm satisfied orthopedic to obtain, cause losing more bone amount, operating time prolongation, intraoperative blood loss and post-operative complication to increase, affect surgical effect.Therefore, research and develop a kind of High Tibial Osteotomy guider that can be accurately positioned and preparation method thereof to be necessary.
Summary of the invention
It is an object of the invention to provide a kind of guider that can be accurately positioned High Tibial Osteotomy, this apparatus structure is simple, easy and simple to handle, working stability, it is possible to be accurately positioned High Tibial Osteotomy position.
It is a further object of the present invention to provide the preparation method of a kind of guider that can be accurately positioned High Tibial Osteotomy.
First technical scheme of the present invention is, a kind of guider that can be accurately positioned High Tibial Osteotomy, and including locating template and osteotomy template, locating template includes the first stator, and the first stator is provided with navigation hole；Osteotomy template includes the second stator, and the second stator is provided with goose saw osteotomy groove.
The feature of the present invention also resides in,
Navigation hole is at least provided with 2.
Second technical scheme of the present invention is, a kind of preparation method of the guider that can be accurately positioned High Tibial Osteotomy, including gathering initial data, setting up threedimensional model, determine Osteotomy and osteotomy angle, Design Navigation template and make 5 steps of navigation template, specific as follows:
A, raw data acquisition: patient's bilateral knee joint carries out computed tomography scan, gather primitive compuer layer radiography data, and store in dicom format；
B, set up threedimensional model: analyze by bilateral knee joint tomographic data is read out in reconstruction software Mimics, after carrying out the most successively splitting, editing filling, remove redundant data, use shaded surface display method, construct the kneed threedimensional model of bilateral；
C, determine Osteotomy and osteotomy angle: by after the lower limb mirror image of strong side with Ipsilateral phase matching, projected by positive plane, obtain model positive plane two dimensionFigure, regard in two dimensionFigureLower measurement osteotomy angle, determines Osteotomy, and then simulation carries out the orthopedic checking of osteotomy, and osteotomy result Ipsilateral mates completely with strong side；
D, Design Navigation template: import navigation hole along Osteotomy, goose saw osteotomy groove is made according to above-mentioned measurement osteotomy angle, osteotomy portion faces cloud data is extracted by navigation hole and goose saw osteotomy groove, template after taking out shell is assembled with navigation hole and goose saw osteotomy groove, designs the guider that can be accurately positioned High Tibial Osteotomy；
E, making navigation template: utilize rapid laser-shaping technique that navigation template is produced material object.
The invention has the beneficial effects as follows: the navigation template of the present invention needs first locating template to be fitted in femoral surface, Kirschner wire is had to insert navigation hole on locating template, after inserting Kirschner wire, remove locating template and osteotomy template is fitted with tibia along Kirschner wire direction, then goose saw is utilized to carry out osteotomy along goose saw osteotomy groove, last anatomical reduction osteotomy end, recovers the lower limb line of force, provides a kind of new osteotomy localization method for descending genicular vessel High Tibial Osteotomy.The navigation template method that the present invention uses understands kneed configuration by CT scan data stereo reconstruction in the preoperative, except can be in addition to accurate evaluation genu varum situation, can also solid show deformity of knee situation, the accuracy rate making diagnosis is further enhanced, can also simulate and instruct osteotomy site in art, angle and direction simultaneously, the orthodontic condition of Coronal and sagittal plain should be considered when designing osteotomy angle and direction simultaneously, ensure that the accuracy of osteotomy, recover the lower limb line of force, decrease post-operative complication, improve knee joint function.
Accompanying drawing explanation
Figure 1Illustrate for overall structure of the present inventionFigure；
Figure 2It is to utilize layer data reconstruction of knee joint threedimensional model；
Figure 3It is to extract femoral surface information, designs the inverted orientation navigation template consistent with its anatomical shape.
In figure, 1. locating template, 2. osteotomy template, 3. Kirschner wire, 4. navigation hole, 5. goose saw osteotomy groove, 6. the first stator, 7. the second stator, 8. tibia.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
The present invention provides a kind of guider that can be accurately positioned High Tibial Osteotomy,Such as figure 1Shown in, including locating template 1 and osteotomy template 2, locating template 1 includes the first stator 6, and the first stator 6 is provided with navigation hole 4；Osteotomy template 2 includes the second stator 7, and the second stator 7 is provided with goose saw osteotomy groove 5.
Locating template 1 has 6 Kirschner wires 3 to insert navigation hole 4, to determine Osteotomy and osteotomy angle according to Design surface configuration；Osteotomy template 2 makes goose saw osteotomy groove 5 according to above-mentioned measurement Osteotomy and osteotomy angle.
The present invention also provides for the preparation method of a kind of guider that can be accurately positioned High Tibial Osteotomy, including gathering initial data, setting up threedimensional model, determine Osteotomy and osteotomy angle, Design Navigation template and make 5 steps of navigation template, specific as follows:
A, raw data acquisition: patient's bilateral knee joint carries out CT scan, gather original CT data, and store in dicom format；
B, set up threedimensional model: analyze by bilateral knee joint tomographic data is read out in reconstruction software Mimics, after carrying out the most successively splitting, editing filling, remove redundant data, use shaded surface display method, construct the kneed threedimensional model of bilateral；
C, determine Osteotomy and osteotomy angle: by strong side lower limb " mirror image " afterwards with Ipsilateral phase matching, projected by positive plane, obtain model positive plane 2DFigure, regard at 2DFigureLower measurement osteotomy angle, determines Osteotomy, and then simulation carries out the orthopedic checking of osteotomy, and osteotomy result Ipsilateral mates completely with strong side；
D, Design Navigation template: import navigation hole along Osteotomy, goose saw osteotomy groove is made according to above-mentioned measurement osteotomy angle, osteotomy portion faces cloud data is extracted by navigation hole and osteotomy groove, template after taking out shell is assembled with osteotomy hole, location and goose saw osteotomy groove, designs the guider that can be accurately positioned High Tibial Osteotomy；
E, making navigation template: utilize rapid laser-shaping technique that navigation template is produced material object.
Operation principle and the work process of the present invention are as follows:
After art fully exposes tibia, first locating template 1 is fitted in tibia 8 surface, Kirschner wire 3 is had to insert navigation hole 4 on locating template 1, after inserting Kirschner wire 3 along navigation hole, remove locating template 1 and osteotomy template 2 is fitted with tibia along Kirschner wire direction, then utilizing goose saw to carry out osteotomy, last anatomical reduction osteotomy end along goose saw osteotomy groove 5, recover the lower limb line of force, provide a kind of new osteotomy localization method for descending genicular vessel High Tibial Osteotomy.The navigation template method that the present invention uses understands kneed configuration by CT scan data stereo reconstruction in the preoperative, except can be in addition to accurate evaluation genu varum situation, can also solid show deformity of knee situation, the accuracy rate making diagnosis is further enhanced, can also simulate and instruct osteotomy site in art, angle and direction simultaneously, the orthodontic condition of Coronal and sagittal plain should be considered when designing osteotomy angle and direction simultaneously, ensure that the accuracy of osteotomy, recover the lower limb line of force, decrease post-operative complication, improve knee joint function.Additionally, treat descending genicular vessel by successful osteotomy orthopaedy, not only can postpone the time of replacement knee in arthroplasty, and art is reduced by accurate osteotomy the loss of bone amount and bone mark, operation can be made simpler.
Claims (3)
1. the guider that can be accurately positioned High Tibial Osteotomy, it is characterised in that include location
Template (1) and osteotomy template (2), described locating template (1) includes the first stator (6), described
Navigation hole (4) it is provided with on first stator (6)；Described osteotomy template (2) includes the second stator
(7), described second stator (7) is provided with goose saw osteotomy groove (5).
The guider that can be accurately positioned High Tibial Osteotomy the most according to claim 1, it is special
Levying and be, described navigation hole (4) is at least provided with 2.
3. can be accurately positioned a preparation method for the guider of High Tibial Osteotomy, its feature exists
In, including gathering initial data, setting up threedimensional model, determine Osteotomy and osteotomy angle, design
Navigation template and making 5 steps of navigation template, specific as follows:
A, raw data acquisition: patient's bilateral knee joint is carried out computed tomography scan, gather
Primitive compuer layer radiography data, and store in dicom format；
B, set up threedimensional model: by bilateral knee joint tomoscan number in reconstruction software Mimics
Analyze according to being read out, after carrying out the most successively splitting, edit fillings, removal redundant data, employing table
Face hides explicit representation, constructs the kneed threedimensional model of bilateral；
C, determine Osteotomy and osteotomy angle: by after the lower limb mirror image of strong side with Ipsilateral phase matching, pass through
Positive plane projects, and obtains model positive plane X-Y scheme, measures osteotomy angle, determine under two dimension view
Osteotomy, then simulation carries out the orthopedic checking of osteotomy, and osteotomy result Ipsilateral mates completely with strong side；
D, Design Navigation template: import navigation hole (4) along Osteotomy, according to above-mentioned measurement osteotomy angle
Degree makes goose saw osteotomy groove (2), extracts osteotomy position by navigation hole (4) and goose saw osteotomy groove (5)
Surface cloud data, the template after shell being taken out with navigation hole (4) and goose saw osteotomy groove (5) assemble,
Design the guider that can be accurately positioned High Tibial Osteotomy；
E, making navigation template: utilize rapid laser-shaping technique that navigation template is produced material object.
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| CN201510903161.6A CN105877807A (en) | 2015-12-10 | 2015-12-10 | Navigation device capable of accurately positioning high tibial osteotomy, and manufacturing method of navigation device |
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| CN201510903161.6A CN105877807A (en) | 2015-12-10 | 2015-12-10 | Navigation device capable of accurately positioning high tibial osteotomy, and manufacturing method of navigation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320153A (en) * | 2017-08-17 | 2017-11-07 | 江苏奥康尼医疗科技发展有限公司 | A kind of tibial medial Osteotomy aid |
| CN107343817A (en) * | 2017-04-11 | 2017-11-14 | 天津市天津医院 | CAD orthopaedics osteotomy orthopedic fixation integration guide plate and preparation method |
| CN108056800A (en) * | 2016-11-09 | 2018-05-22 | 上海微创医疗器械（集团）有限公司 | knee joint osteotomy tool and manufacturing system and manufacturing method thereof |
| CN108095802A (en) * | 2018-02-09 | 2018-06-01 | 陕西东望科技有限公司 | A kind of orthopedic positioning osteotomy guide plate and a kind of osteotomy straightening method |
| CN108992135A (en) * | 2018-08-22 | 2018-12-14 | 上海交通大学医学院附属第九人民医院 | A kind of construction method of High Tibial Osteotomy guide plate model |
| CN109771031A (en) * | 2019-03-04 | 2019-05-21 | 中南大学湘雅医院 | A kind of navigation template and preparation method thereof and preparation system |
| CN110115628A (en) * | 2019-05-14 | 2019-08-13 | 影为医疗科技(上海)有限公司 | A kind of construction method of the model of personalization High Tibial Osteotomy angle automatching template |
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| CN104490451A (en) * | 2014-12-31 | 2015-04-08 | 北京爱康宜诚医疗器材股份有限公司 | Combined osteotomy guide |
| CN104622572A (en) * | 2014-12-15 | 2015-05-20 | 上海昕健医疗技术有限公司 | Individual orthopedics department positioning sheet based on medical images |
| CN104706425A (en) * | 2015-02-05 | 2015-06-17 | 陆声 | Bone cutting navigation device capable of positioning accurately and manufacturing and using method thereof |
| CN204468186U (en) * | 2015-01-26 | 2015-07-15 | 北京大学第三医院 | A kind of patella osteotomy navigation template for knee prosthesis |
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| CN102760199A (en) * | 2011-04-27 | 2012-10-31 | 陆声 | Method for manufacturing navigation template for knee replacement, and navigation template |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108056800A (en) * | 2016-11-09 | 2018-05-22 | 上海微创医疗器械（集团）有限公司 | knee joint osteotomy tool and manufacturing system and manufacturing method thereof |
| CN107343817A (en) * | 2017-04-11 | 2017-11-14 | 天津市天津医院 | CAD orthopaedics osteotomy orthopedic fixation integration guide plate and preparation method |
| CN107343817B (en) * | 2017-04-11 | 2020-07-31 | 天津市天津医院 | Computer-aided design orthopedic osteotomy and orthopedic fixation integrated guide plate and manufacturing method thereof |
| CN107320153A (en) * | 2017-08-17 | 2017-11-07 | 江苏奥康尼医疗科技发展有限公司 | A kind of tibial medial Osteotomy aid |
| CN107320153B (en) * | 2017-08-17 | 2023-11-07 | 苏州中科生物医用材料有限公司 | Tibia medial high-level osteotomy auxiliary tool |
| CN108095802A (en) * | 2018-02-09 | 2018-06-01 | 陕西东望科技有限公司 | A kind of orthopedic positioning osteotomy guide plate and a kind of osteotomy straightening method |
| CN108095802B (en) * | 2018-02-09 | 2023-09-08 | 陕西东望科技有限公司 | Orthopedic positioning osteotomy guide plate device |
| CN108992135A (en) * | 2018-08-22 | 2018-12-14 | 上海交通大学医学院附属第九人民医院 | A kind of construction method of High Tibial Osteotomy guide plate model |
| CN108992135B (en) * | 2018-08-22 | 2023-08-11 | 上海交通大学医学院附属第九人民医院 | Construction method of tibia high-level osteotomy guide plate model |
| CN109771031A (en) * | 2019-03-04 | 2019-05-21 | 中南大学湘雅医院 | A kind of navigation template and preparation method thereof and preparation system |
| CN109771031B (en) * | 2019-03-04 | 2022-02-11 | 中南大学湘雅医院 | Navigation template and preparation method and preparation system thereof |
| CN110115628A (en) * | 2019-05-14 | 2019-08-13 | 影为医疗科技(上海)有限公司 | A kind of construction method of the model of personalization High Tibial Osteotomy angle automatching template |
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Application publication date: 20160824 |