CN206381209U - A kind of 3D printing navigation template for children's epiphysis Bar excision art - Google Patents
A kind of 3D printing navigation template for children's epiphysis Bar excision art Download PDFInfo
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- CN206381209U CN206381209U CN201620370068.3U CN201620370068U CN206381209U CN 206381209 U CN206381209 U CN 206381209U CN 201620370068 U CN201620370068 U CN 201620370068U CN 206381209 U CN206381209 U CN 206381209U
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- guide plate
- guide holes
- needle guide
- kirschner needle
- kirschner
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Abstract
The utility model is related to medical apparatus technical field, a kind of particularly 3D printing navigation template for children's epiphysis Bar excision art, first guide plate, second guide plate and the 3rd guide plate, which are stitched together, to be formed the navigation template of closure and is fitted at the knee joint of patient, 4 kirschner needle guide holes for running through the first guide plate are provided with first guide plate, 3 kirschner needle guide holes for running through the second guide plate are provided with second guide plate, first kirschner needle guide holes, second kirschner needle guide holes, 3rd kirschner needle guide holes, 4th kirschner needle guide holes, 5th kirschner needle guide holes, 6th kirschner needle guide holes are accommodating cavity with the closed space formed along the 7th kirschner needle guide holes, the utility model can make to measure for child patient, so that epiphysis Bar excision art is time saving and energy saving, accuracy is high, it need not adjust repeatedly, operation is set once to succeed, effectively shorten operating time, reduce patient suffering.
Description
Technical field
The utility model is related to medical apparatus technical field, particularly a kind of 3D for children's epiphysis Bar excision art and beaten
Print navigation template.
Background technology
In recent years, with the development of computer technology and medical 3 D visual research, the three-dimensional about organization of human body can
The focus of international medical community research is increasingly becoming depending on changing research and computer aided orthopedics technology, is showed among clinical practice
Go out great realistic meaning.Research shows that Personalized Navigation template auxiliary bone surgery is that can realize the treatment of individuation
The design of scheme, can reach preferable therapeutic effect again, compared to traditional technological means, show very big superiority.
Distal femur Physeal bar resection is used for the operative treatment that epiphyseal plate is early closed.Epiphyseal plate early closes finger and is located at limbs elongated tubular
The bone growth plate at bone two ends, before the physiology closure age, because of disease and damage, makes growth plate cartilage ossified and closes in advance.Epiphysis
Epiphysis and metaphysis are connected after tabulare, the longitudinal growth ability of bone is disappeared.Generally part epiphyseal plate is ossify in advance
Formed bone tissue is referred to as bone bridge（Bone bridge or bone bar）.Salter IV, V type epiphyseal injury are to cause epiphyseal plate
The common cause early closed.In addition infection, tumour, radioactive damage can also cause epiphyseal plate early to close.Then etiology unknown is such as some cases
Blount diseases, someone is referred to as congenital or developmental character epiphyseal plate and early closed.The treatment that epiphyseal plate is early closed is one not only complicated but also intractable
The problem of.Its principle of surgical, the type early closed according to epiphyseal plate, the position where bone bridge, the age of patient and lopsided feelings
Condition, considers.It is emphasized that tomography X-ray film is checked, bone bridge size and position are understood exactly, is to determine that surgery is controlled
Treat the premise of principle.Epiphyseal plate due to epiphyseal plate closure person completely i.e. more than 50% ossify to be closed, to correct angulation deformity and limbs
For the purpose of extension, operation method is selected.For epiphyseal plate part closure person, with using based on Bar excision, its angulation deformity then root
According to degree of deformity, patient age, osteotomy orthomorphia is selected.
At present, domestic children's epiphysis Bar excision art lacks special kit, and surgical procedure is wasted time and energy, accurately
Property is poor, need to repeatedly adjust, adds the pain of child patient.
Utility model content
The purpose of this utility model is used for children's epiphysis Bar excision art aiming at the deficiencies in the prior art there is provided one kind
3D printing navigation template, can be made to measure for child patient so that epiphysis Bar excision art is time saving and energy saving, accuracy is high,
Reduce the pain of child patient.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is that one kind is cut for children's epiphysis bone bridge
Except the 3D printing navigation template of art, including the first guide plate, the second guide plate and the 3rd guide plate made by 3D printer, first leads
Plate, the second guide plate and the 3rd guide plate, which are stitched together, to be formed the navigation template of closure and is fitted at the knee joint of patient, and first leads
It is respectively the first kirschner needle guide holes, the second kirschner needle guide holes, the 3rd that 4 kirschner needle guide holes through the first guide plate are provided with plate
Kirschner needle guide holes and the 4th kirschner needle guide holes, the first kirschner needle guide holes and the second kirschner needle guide holes adjacent bit are in the outer of the first guide plate
Surface, the 3rd kirschner needle guide holes and the 4th kirschner needle guide holes adjacent bit are on the top edge placement of the first guide plate, the second guide plate
It is respectively the 5th kirschner needle guide holes, the 6th kirschner needle guide holes and the 7th gram to be provided with 3 kirschner needle guide holes through the second guide plate
Family name's needle guide holes are distributed in the outer surface of the second guide plate, the first kirschner needle guide holes, the second kirschner needle guide holes, the 3rd kirschner needle guide holes,
4th kirschner needle guide holes, the 5th kirschner needle guide holes are accommodating cavity with the closed space formed along the 6th kirschner needle guide holes.
In the technical program, 3D printer has been used to make the first guide plate, the second guide plate and the 3rd guide plate, first leads
Plate, the second guide plate and the 3rd guide plate, which are stitched together, to be formed the navigation template of closure and is fitted at the knee joint of patient, specific shape
Shape reversely models to be formed according to each patient CT data mimics softwares, to ensure that the inner surface and patient's epiphysis of navigation template are near
End is brought into close contact.In surgical procedure, first, skin, manadesma, muscle are cut, peel off periosteum, cortex of bone positioning guide plate of fitting,
According to preoperative measurement length adjustment Kirschner wire, 2 Kirschner wires are inserted, C arm machine is taken the photograph x-ray checking Kirschner wire accuracy, then removed
Cortex of bone positioning guide plate, is inserted and the first guide plate of fitting along Kirschner wire, and is led according to the first guide plate groove assembling oversleeve sample second
Plate and the 3rd guide plate are in knee joint skin, according to preoperative measurement length adjustment Kirschner wire, respectively at the first guide plate and the second guide plate
On insert 6 Kirschner wires delineation bone bridge up, down, left, right, before and after borders, extract the Kirschner wire on cortex of bone positioning guide plate and shifting
Except the first guide plate, the second guide plate and the 3rd guide plate, the first kirschner needle guide holes of implantation, the second kirschner needle guide holes, the 3rd Kirschner wire are led
Hole, the 4th kirschner needle guide holes, the 5th kirschner needle guide holes and the closed space of 6 Kirschner wires formation in the 6th kirschner needle guide holes are
Accommodating cavity is used for fixed bone bridge to be cut off, exposure operative incision, in chiseling femur skin according to kirschner needle track in operative incision
Matter, bone bridge is excavated to Kirschner wire direction, and the Kirschner wire for touching positioning border stops, and C arm machine takes the photograph x-ray checking bone bridge and excavates scope
It is whether sufficient, complete operation.
The entirety that further improvement of the utility model, the first guide plate and the second guide plate are stitched together is provided at both ends with two
Individual projection, respectively first raised and the second projection.
Further improvement of the utility model, the 7th kirschner needle guide holes are arranged on the second raised outer surface.
Further improvement of the utility model, the 3rd guide plate is provided at both ends with two grooves, respectively the first groove and
Two grooves, the first groove is corresponding with the first projection, the second projection respectively with the second groove.
Further improvement of the utility model, navigation template is using the printing of medical PLA material.PLA（PLA）It is
A kind of new bio-based and Biodegradable material, use reproducible plant resources（Such as corn）The starch material proposed
It is made.Starch material obtains glucose via saccharification, then the lactic acid of high-purity is made by glucose and certain strain fermentation, then
The PLA of certain molecular weight is synthesized by chemical synthesis process.It has good biodegradability, can be by certainly after use
Microorganism is degradable under given conditions in right boundary, ultimately generates carbon dioxide and water, free from environmental pollution, this is to environmental protection
It is highly beneficial, it is generally acknowledged environment-friendly material.
The beneficial effects of the utility model：The utility model is that a kind of 3D printing for children's epiphysis Bar excision art is led
Model plane plate, can make to measure for child patient so that epiphysis Bar excision art is time saving and energy saving, and accuracy is high, it is not necessary to repeatedly
Adjustment, makes operation once succeed, and effectively shortens operating time, reduces patient suffering.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model.
Fig. 2 is overlooking the structure diagram of the present utility model.
Fig. 3 is the splicing construction schematic diagram of the first guide plate of the present utility model and the second guide plate.
Fig. 4 is the structural representation of the 3rd guide plate of the present utility model.
Fig. 5 is the structural representation of laminating epiphysis of the present utility model.
Fig. 6 is the cortex of bone positioning guide plate structural representation being used in combination with the utility model.
Fig. 7 is the structural representation of cortex of bone positioning guide plate laminating epiphysis.
In figure, the guide plates of 1- first, the guide plates of 2- second, the guide plates of 3- the 3rd, 4- the first kirschner needle guide holes, the Kirschner wires of 5- second are led
Hole, the kirschner needle guide holes of 6- the 3rd, the kirschner needle guide holes of 7- the 4th, the kirschner needle guide holes of 8- the 5th, the kirschner needle guide holes of 9- the 6th, 10-
Seven kirschner needle guide holes, 11- first is raised, and 12- second is raised, and the grooves of 13- first, the grooves of 14- second, 15- houses cavity, 16-
Cortex of bone positioning guide plate, 17- cortexs of bone positioning guide plate the first kirschner needle guide holes, 18- cortexs of bone the second Kirschner wire of positioning guide plate is led
Hole.
Embodiment
In order to deepen to understand of the present utility model, the utility model is done further below in conjunction with drawings and examples
It is described in detail, the embodiment is only used for explaining the utility model, protection domain of the present utility model is not constituted and limited.
Embodiment：As shown in Figures 1 to 5, a kind of 3D printing navigation template for children's epiphysis Bar excision art, including
The first guide plate 1, the second guide plate 2 and the 3rd guide plate 3 made using medical PLA material by 3D printer, the first guide plate 1,
Two guide plates 2 and the 3rd guide plate 3, which are stitched together, to be formed the navigation template of closure and is fitted at the knee joint of patient, the first guide plate 1
On to be provided with 4 kirschner needle guide holes through the first guide plate 1 be respectively the first kirschner needle guide holes 4, the second kirschner needle guide holes 5, the
Three kirschner needle guide holes 6 and the 4th kirschner needle guide holes 7, the first kirschner needle guide holes 4 and the second kirschner needle guide holes 5 are adjacent is located at first and leads
The outer surface of plate 1, the 3rd kirschner needle guide holes 6 and the adjacent top edge placement for being located at the first guide plate 1 of the 4th kirschner needle guide holes 7,
It is respectively the 5th kirschner needle guide holes 8, the 6th Kirschner wire that 3 kirschner needle guide holes through the second guide plate 2 are provided with second guide plate 2
The kirschner needle guide holes 10 of guide hole 9 and the 7th are distributed in the outer surface of the second guide plate 2, the first kirschner needle guide holes 4, the second kirschner needle guide holes
5th, formed along the 3rd kirschner needle guide holes 6, the 4th kirschner needle guide holes 7, the 5th kirschner needle guide holes 8 and the 6th kirschner needle guide holes 9
Closed space is accommodating cavity 15.
In the present embodiment, the entirety that the first guide plate 1 and the second guide plate 2 are stitched together is provided at both ends with two projections,
Respectively first projection 11 and the second projection 12.7th kirschner needle guide holes 10 are arranged on the outer surface of the second projection 12.3rd leads
Plate 3 is provided at both ends with two grooves, respectively the first groove 13 and the second groove 14, and the first groove 13 is distinguished with the second groove 14
It is corresponding with first the 11, second projection 12 of projection.
The specific manufacturing process of the present embodiment：
（1）Raw data acquisition：Patient is preoperative using 64 row's spiral CTs (philip, Holland) collection epiphysis near-end scanning
Data；The condition of scanning：The kV of voltage 120, the mA of electric current 160, the mm of thickness 1；The CT data of collection are stored in dicom format；
（2）Determine navigation template size：Pass through Mimics 17.0 after the epiphysis near-end CT data of storage are imported into computer
The size that bone bridge location is put on the epiphysis model of Software Create three-dimensional reconstruction, measurement patient's epiphysis, so that it is determined that on navigation template
The position of kirschner needle guide holes.
（3）Make navigation template：The data of preservation are opened in Mimics softwares, three-dimensional structure are rotated, from all angles
Whether suitable observe Kirschner wire position, and Kirschner wire position is done and suitably finely tuned with complete according to section and three-dimensional structure observation result
Kirschner needle guide holes are designed on into navigation template.Extract outside greater trochanter level and distal end correspondence bone surface anatomy number in femur epiphysis
According to, and done and reversely thicken after 5mm processing, the consistent substrate of form therewith is set up, while kirschner needle guide holes data are imported, will
Both are reconstructed into navigation template at combination.After Boolean calculation (Boolean operation), insertion kirschner needle guide holes, and to border
Repaired, complete designing and producing for guide plate.
（4）3D printing：In Magic17.0 softwares, repair model in mistake, after the completion of reduced model data, by number
STL forms import 3D printer according to this, and the first guide plate of navigation template, the second guide plate and the are printed using medical PLA material
Three guide plates.
Concrete application of the present embodiment in children's epiphysis Bar excision art：As shown in Figures 6 and 7, first, cut skin,
Manadesma, muscle, peel off periosteum, laminating cortex of bone positioning guide plate 16, in the cortex of bone positioning guide plate the of cortex of bone positioning guide plate 16
2 Kirschner wires of insertion in one kirschner needle guide holes 17 and the second kirschner of cortex of bone positioning guide plate needle guide holes 18, grow according to preoperative measurement
Degree adjustment Kirschner wire, C arm machine takes the photograph x-ray checking Kirschner wire accuracy, then removes cortex of bone positioning guide plate 16, is inserted along Kirschner wire
And the first guide plate 1 of fitting, and oversleeve sample the second guide plate 2 and the 3rd guide plate 3 are assembled in knee joint skin according to the groove of the first guide plate 1
Skin, according to preoperative measurement length adjustment Kirschner wire, bones are drawn a circle to approve respectively at inserting 7 Kirschner wires on the first guide plate 1 and the second guide plate 2
Bridge up, down, left, right, before and after border, extracts the Kirschner wire on cortex of bone positioning guide plate 16 and removes the first guide plate 1, second leads
The guide plate 3 of plate 2 and the 3rd, the first kirschner needle guide holes 4 of implantation, the second kirschner needle guide holes 5, the 3rd kirschner needle guide holes 6, the 4th Kirschner wire
The closed space of 6 Kirschner wires formation in guide hole 7, the 5th kirschner needle guide holes 8 and the 6th kirschner needle guide holes 9 is that accommodating cavity is used
To fix bone bridge to be cut off, exposure operative incision, in chiseling femoral cortex according to kirschner needle track in operative incision, to Kirschner wire
Bone bridge is excavated in direction, and the Kirschner wire for touching positioning border stops, and C arm machine takes the photograph x-ray and verifies whether bone bridge excavates scope sufficient, complete
Into operation.
General principle of the present utility model, principal character and advantage has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the utility model spirit and scope are not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within the range of claimed the utility model.Scope is claimed in the utility model
By appended claims and its equivalent thereof.
Claims (4)
1. a kind of 3D printing navigation template for children's epiphysis Bar excision art, it is characterised in that：Including passing through 3D printer
The first guide plate, the second guide plate and the 3rd guide plate made, first guide plate, the second guide plate and the 3rd guide plate are stitched together shape
Navigation template into closure is fitted at the knee joint of patient, and 4 grams for running through the first guide plate are provided with first guide plate
Family name's needle guide holes are respectively the first kirschner needle guide holes, the second kirschner needle guide holes, the 3rd kirschner needle guide holes and the 4th kirschner needle guide holes, institute
The first kirschner needle guide holes and the second kirschner needle guide holes adjacent bit are stated in the outer surface of first guide plate, the 3rd Kirschner wire is led
Hole and the 4th kirschner needle guide holes adjacent bit on the top edge placement of first guide plate, second guide plate in being provided with 3
It is respectively the 5th kirschner needle guide holes, the 6th kirschner needle guide holes and the 7th kirschner needle guide holes point through the kirschner needle guide holes of the second guide plate
Cloth in the outer surface of the second guide plate, the first kirschner needle guide holes, the second kirschner needle guide holes, the 3rd kirschner needle guide holes, the 4th gram
Family name's needle guide holes, the 5th kirschner needle guide holes are accommodating cavity with the closed space formed along the 6th kirschner needle guide holes.
2. the 3D printing navigation template according to claim 1 for children's epiphysis Bar excision art, it is characterised in that：Institute
State the entirety that the first guide plate and second guide plate be stitched together and be provided at both ends with two projections, respectively first is raised with the
Two is raised.
3. the 3D printing navigation template according to claim 2 for children's epiphysis Bar excision art, it is characterised in that：Institute
State the 7th kirschner needle guide holes and be arranged on the described second raised outer surface.
4. the 3D printing navigation template for children's epiphysis Bar excision art according to Claims 2 or 3, its feature exists
In：3rd guide plate is provided at both ends with two grooves, respectively the first groove and the second groove, first groove and second
Groove is raised with first respectively, the second projection is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620370068.3U CN206381209U (en) | 2016-04-28 | 2016-04-28 | A kind of 3D printing navigation template for children's epiphysis Bar excision art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620370068.3U CN206381209U (en) | 2016-04-28 | 2016-04-28 | A kind of 3D printing navigation template for children's epiphysis Bar excision art |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206381209U true CN206381209U (en) | 2017-08-08 |
Family
ID=59485629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620370068.3U Expired - Fee Related CN206381209U (en) | 2016-04-28 | 2016-04-28 | A kind of 3D printing navigation template for children's epiphysis Bar excision art |
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| Country | Link |
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| CN (1) | CN206381209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720923A (en) * | 2018-04-02 | 2018-11-02 | 王成功 | Householder method is fixed in fracture of calcaneus closed reduction based on digitlization 3D printing tool |
| 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 |
| CN110613499A (en) * | 2019-10-17 | 2019-12-27 | 中国医学科学院北京协和医院 | Osteotomy guide plate for body surface lower limb deformity correction operation and preparation method thereof |
-
2016
- 2016-04-28 CN CN201620370068.3U patent/CN206381209U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720923A (en) * | 2018-04-02 | 2018-11-02 | 王成功 | Householder method is fixed in fracture of calcaneus closed reduction based on digitlization 3D printing tool |
| CN108720923B (en) * | 2018-04-02 | 2019-10-08 | 王成功 | Householder method is fixed in fracture of calcaneus closed reduction based on digitlization 3D printing tool |
| 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 |
| CN110613499A (en) * | 2019-10-17 | 2019-12-27 | 中国医学科学院北京协和医院 | Osteotomy guide plate for body surface lower limb deformity correction operation and preparation method thereof |
| CN110613499B (en) * | 2019-10-17 | 2020-10-09 | 中国医学科学院北京协和医院 | Osteotomy guide plate for body surface lower limb deformity correction operation and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20180428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |