CN207055574U - 3D printing individuation customizes Sacral reconstruction plate - Google Patents
3D printing individuation customizes Sacral reconstruction plate Download PDFInfo
- Publication number
- CN207055574U CN207055574U CN201720041098.4U CN201720041098U CN207055574U CN 207055574 U CN207055574 U CN 207055574U CN 201720041098 U CN201720041098 U CN 201720041098U CN 207055574 U CN207055574 U CN 207055574U
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- China
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- rumpbone
- bionical
- plate
- jointing plate
- customizes
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Abstract
A kind of 3D printing individuation customization Sacral reconstruction plate is the utility model is related to, including：Including the bionical rumpbone jointing plate for being jointly mounted on rumpbone, the bionical human body rumpbone back side shape of shape of the bionical rumpbone jointing plate forms, the face that the bionical rumpbone jointing plate is bonded with rumpbone is provided with metal grill bone binding face, the area of wherein described metal grill bone binding face at least accounts for the 1/3 to 1/2 of bionical rumpbone jointing plate entire area, and the bionical rumpbone jointing plate is provided with fixed nail and the pedestal for fixing pelvis prosthesis.The utility model can farthest ensure the fixation of semi-pelvis prosthesis, avoid rumpbone or pelvis prosthesis caused by the nail-stick system of surrounding soft tissue or backbone it is fixed loosely the problem of.
Description
Technical field
It the utility model is related to technical field of medical instruments, and in particular to a kind of 3D printing individuation customizes Sacral reconstruction
Plate.
Background technology
The case of orthopaedics Sacral Tumors is comparatively more rare, thus lacks corresponding Sacral reconstruction prosthese on the market,
Regardless of whether be primary tumor, or metastatic tumo(u)r, Sacral Tumors generally require to be cut off.Lack after Sacral Tumors excision
Suitable prosthese is rebuild.Existing measure prostheses, shortage exchange with the medical professionals between doctor, and designed product is extremely difficult to doctor
It is required that and measure prostheses design cycle it is longer, manufacturing cost is higher, prosthetic surface that the conventional means of production produces processing effect
Fruit is poor, and Bone Ingrowth effect is bad.
In view of it is above-mentioned the defects of, the design people is actively subject to research and innovation, determines to found a kind of 3D printing individuation
Sacral reconstruction plate processed, make it with more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model, which is to provide one kind, uses 3D printing technique, according to patient
Bone defects situation and sacral anatomy feature carry out quick Individual design manufacture, really realize patient anatomy and work(
The 3D printing individuation customization Sacral reconstruction plate of the reconstruction of energy.
The utility model 3D printing individuation customizes Sacral reconstruction plate, including the bionical sacrum for being jointly mounted on rumpbone
Bone jointing plate, the bionical human body rumpbone back side shape of shape of the bionical rumpbone jointing plate form, the bionical rumpbone jointing plate
The face being bonded with rumpbone is provided with metal grill bone binding face, wherein the area of the metal grill bone binding face at least account for it is bionical
The 1/3 to 1/2 of rumpbone jointing plate entire area, the bionical rumpbone jointing plate are provided with fixed nail and for fixing pelvis
The pedestal of prosthese.
Further, the thickness of the bionical rumpbone jointing plate is 5mm；The thickness of the metal grill bone binding face is
1mm。
Further, the mesh porosity of described metal grill bone binding face is between 70-80%.
Further, the length and width size of described bionical rumpbone jointing plate is according to the size of patient's rumpbone and invading for tumour
Erosion situation, respectively including large, medium and small three different dimensions.
Further, the length of bionical rumpbone jointing plate according to the width of rumpbone determine, the length of bionical sacrum hone lamella be more than or
Equal to rumpbone width 1 to 5mm, the height that the width of bionical sacrum hone lamella can expose according to rumpbone determines.
Further, small dimension is used within Sacrectomy 1/3 or is not affected by the rumpbone of tumor invasion and attack.
Further, when bionical rumpbone jointing plate is fitted on rumpbone, the set location of the fixed nail avoids nerve
Root.
By such scheme, the utility model at least has advantages below：
The utility model is directed to pelvic tumor, and sacral portions are attacked, and the situation for member-retaining portion rumpbone of performing the operation, devises sacrum
Bone remoulding plate reaches reconstruction rumpbone, the purpose of fixed artificial semi-pelvis.By this bionical prosthese, can farthest protect
The fixation of semi-pelvis prosthesis is demonstrate,proved, avoids rumpbone or pelvis prosthesis from causing to fix not by the nail-stick system of surrounding soft tissue or backbone
The problem of firm.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the top view of the utility model 3D printing individuation customization Sacral reconstruction plate；
Fig. 2 is the upward view of the utility model 3D printing individuation customization Sacral reconstruction plate；
Fig. 3 is the front view of the utility model 3D printing individuation customization Sacral reconstruction plate；
Fig. 4 is the rearview of the utility model 3D printing individuation customization Sacral reconstruction plate.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
The utility model 3D printing individuation customizes Sacral reconstruction plate, including the bionical sacrum for being jointly mounted on rumpbone
Bone jointing plate, the bionical human body rumpbone back side shape of shape of the bionical rumpbone jointing plate form, the bionical rumpbone jointing plate
The face being bonded with rumpbone is provided with metal grill bone binding face, wherein the area of the metal grill bone binding face at least account for it is bionical
The 1/3 to 1/2 of rumpbone jointing plate entire area, the bionical rumpbone jointing plate are provided with fixed nail and for fixing pelvis
The pedestal of prosthese.
The utility model 3D printing individuation customizes the preparation method of Sacral reconstruction plate, including：
The CT faulted scanning pattern picture of patient's pelvis and rumpbone is obtained, confirms pelvis, the tumor invasion situation of rumpbone, according to swollen
Knurl attacks situation, it is determined that the rumpbone scope to be cut off；
Whole sacrum data and pelvis view data are separated, rebuild half pelvis of left and right sides after separation respectively
View data, sacrum data are exported to mirror image is carried out in industrial software, the outer of Ipsilateral rumpbone is repaired in industrial software
Shape, smooth treatment and repairing are carried out to rumpbone dorsal part profile；
Using industrial software, according to tumor invasion situation and normal rumpbone border, the border of bionical rumpbone jointing plate is determined,
5mm processing is thickened carrying out sacrum data corresponding to the border of bionical rumpbone jointing plate in the range of rumpbone, obtains bionical people
The view data of the bionical rumpbone jointing plate of body rumpbone back side shape；
Using industrial software, the view data of half pelvis view data and bionical rumpbone jointing plate is subjected to emulation and assembled,
The view data of bolt pedestal on bionical rumpbone jointing plate is obtained, the bolt pedestal is used for bionical rumpbone jointing plate and half bone
Basin prosthese is fixed；
It is remaining according to rumpbone according to the view data and sacrum data of bionical rumpbone jointing plate using industrial software
Sclerotin, determine the nail graph data on bionical rumpbone jointing plate, nail is reached and effect is firmly fixed by rumpbone sclerotin
Fruit, while sclerotin can not be passed surrounding tissue is caused to damage；
Bionical rumpbone jointing plate is printed using 3D printing technique, forms bionical rumpbone jointing plate, wherein described imitative
Raw rumpbone jointing plate is provided with bolt pedestal and nail；
The thick metal grill bone binding faces of 1mm are installed on the face that bionical rumpbone jointing plate is bonded with rumpbone, formed
Sacral reconstruction board finished product.
Referring to Fig. 1 and Fig. 4, the utility model 3D printing individuation customization Sacral reconstruction plate, it is whole integrative-structure, bag
Include bionical rumpbone jointing plate 1, metal grill bone binding face 2, semi-pelvis prosthesis fixing bolt pedestal 3, rumpbone fixing threaded hole 4.Institute
The bionical rumpbone jointing plate stated is the main load-carrying construction of sacrum bone fixation, and its shape is carried out according to the physiological camber at the rumpbone back side
Design, it is easy to lay during operation, is designed with screw hole on bionical rumpbone jointing plate, is easy to use cancellous bone screw to carry out sacrum hone lamella
The initial stage of prosthese is fixed.The metal grill bone binding face of its rumpbone back side binding face is then on the basis of ensureing bionical shape, to lead to
Growing into for rumpbone itself sclerotin is crossed, reaches effect fixed for a long time.Semi-pelvis prosthesis connecting pole is used for semi-pelvis prosthesis and sacrum
Bone remoulding plate is linked together, and plays a part of fixed semi-pelvis prosthesis.
The present embodiment 3D printing individuation customizes Sacral reconstruction plate, including the bionical rumpbone for being jointly mounted on rumpbone
Jointing plate, the bionical human body rumpbone back side shape of shape of the bionical rumpbone jointing plate form, the bionical rumpbone jointing plate with
The face of rumpbone fitting is provided with metal grill bone binding face, wherein the area of the metal grill bone binding face at least accounts for bionical sacrum
The 1/3 to 1/2 of bone jointing plate entire area, the bionical rumpbone jointing plate are provided with fixed nail and for fixing pelvis vacation
The pedestal of body；The mesh porosity of described metal grill bone binding face is between 70-80%.
The thickness of the bionical rumpbone jointing plate is 5mm；The thickness of the metal grill bone binding face is 1mm.
The length and width size of described bionical rumpbone jointing plate is divided according to the size of patient's rumpbone and the erosion condition of tumour
Bao Kuo not large, medium and small three different dimensions.Big specification is used for the rumpbone of rumpbone complete resection, and middle specification is used for rumpbone
The rumpbone of excision 1/2, small dimension are used within Sacrectomy 1/3 or are not affected by the rumpbone of tumor invasion and attack.
The length of bionical rumpbone jointing plate determines that the length of bionical sacrum hone lamella is more than or equal to rumpbone according to the width of rumpbone
To 5mm, the height that the width of bionical sacrum hone lamella can expose according to rumpbone determines width 1.Bionical rumpbone jointing plate is fitted in rumpbone
When upper, the set location of the fixed nail avoids nerve root.
The preparation method of described 3D printing individuation customization Sacral reconstruction plate, including：
S1:Gather the CT faulted scanning pattern picture of patient's pelvis and rumpbone, during scanning need to by rumpbone and with rumpbone junction
Bone tumour invasion and attack defect scanning is complete, is easy to post-processing.Mimics, which is imported into, after acquisition Dicom format-patterns carries out weight
Rumpbone and pelvis are built, the tumor invasion situation of pelvis, rumpbone is confirmed by MRI, pathological examination etc..According to tumor invasion situation,
Mark off the rumpbone scope to be cut off.
S2:After determining the position of selection needed for Ipsilateral rumpbone and scope, whole rumpbone data are carried out from pelvis data
Separation, half pelvis of left and right sides is rebuild after separation respectively.Tumour is common in side pelvis, therefore left side bone of this patent to be done
Illustrated exemplified by basin.Rumpbone data in Mimics are exported to mirror image is carried out in industrial software, to reach repairing Ipsilateral sacrum
The purpose of the profile of bone.Rumpbone dorsal part profile is taken, smooth treatment is carried out to rumpbone dorsal part profile in Geomagic softwares and repaiied
Mend, imported into industrial software and carry out thickening 5mm processing, form the first draft of Sacral reconstruction plate, repair corner.According to range of tumor
And normal rumpbone border, Sacral reconstruction plate profile is adjusted, makes it rumpbone plate suqare is tried one's best in the case where ensureing to be fixedly secured
Reduce, in order to avoid damage surrounding tissue.
S3：Designed semi-pelvis prosthesis is imported, after being assembled with Sacral reconstruction plate, designed on Sacral reconstruction plate
Two bolt pedestals, for Sacral reconstruction plate to be fixedly secured with semi-pelvis prosthesis.
In Sacral reconstruction tabulare binding face design 1mm network, mesh porosity is between 70-80%, to promote
Bone Ingrowth.
S4：Individuation customization Sacral reconstruction plate profile confirm after, in industrial software simultaneously import Sacral reconstruction plate and
Rumpbone, according to the remaining sclerotin of rumpbone, the nail on Sacral reconstruction plate is designed, nail is reached firm by rumpbone sclerotin
Fixed effect, while sclerotin can not be passed surrounding tissue is caused to damage.
S5：Medical Ti 6Al4V alloys are printed using metal 3D printing technique, Sacral reconstruction plate blank is formed, beats
Ultrasound removes the excessive powder in blank after the completion of print, and Sacral reconstruction plate non-bone contact surface, bolt pedestal and screw are polished.
S6:By the Sacral reconstruction plate of finished product and subjects bones' model of 3D printing, semi-pelvis prosthesis carries out surgical simulation, such as
Successfully assemble, it may be considered that apply it in actual operation.
Gather the CT faulted scanning pattern picture of patient's pelvis and rumpbone in step S1, need to be connected by rumpbone and with rumpbone during scanning
The bone tumour invasion and attack defect scanning at place is complete.
According to range of tumor and normal rumpbone border in step S2, Sacral reconstruction plate profile is adjusted, it is being ensured firmly
In the case of fixation, rumpbone plate suqare is set to reduce as far as possible, in case damage surrounding tissue, refers to be sentenced according to medical knowledge and experience
The position of disconnected sacrum hone lamella and size.
Industrial software described in step S1-S4 refers to UG, SolidWorks or ProE.
The Sacral reconstruction plate of the utility model individuation customization carries out bionical simplification according to original dissection radian and profile and set
Meter, the angle of radius protrusion was both met, and also compensate for the problem of conventional prosthese can not rebuild anatomic form.Comprise the concrete steps that collection
The CT faulted scanning pattern picture of patient's pelvis and rumpbone, defect portion need to be attacked by rumpbone and with the bone tumour of rumpbone junction during scanning
Bit scan is complete, imported into Mimics and carries out rebuilding rumpbone and pelvis, by MRI, pathological examination etc. confirm pelvis, rumpbone it is swollen
Knurl attacks situation, marks off the rumpbone scope to be cut off, whole rumpbone data are separated from pelvis data, divides after separation
Not Chong Jian left and right sides half pelvis.Data, which export to, carries out mirror image in industrial software, take rumpbone dorsal part profile, soft in Geomagic
Smooth treatment and repairing are carried out to rumpbone dorsal part profile in part, imported into industrial software and carries out thickening 5mm processing, form rumpbone
The first draft of reconstruction plate, Sacral reconstruction plate profile is adjusted, designed semi-pelvis prosthesis is imported, assembled with Sacral reconstruction plate
Afterwards, two bolt pedestals are designed on Sacral reconstruction plate, for Sacral reconstruction plate to be fixedly secured with semi-pelvis prosthesis.
Sacral reconstruction tabulare binding face designs 1mm metal grill bone binding face, and mesh porosity is between 70-80%, to promote bone
Grow into.Design the nail on Sacral reconstruction plate simultaneously in industrial software, nail is reached and is firmly fixed by rumpbone sclerotin
Effect, while sclerotin can not be passed surrounding tissue is caused to damage.By the Sacral reconstruction plate of finished product and the subjects bones of 3D printing
Model, semi-pelvis prosthesis carry out surgical simulation, such as successfully assembled, it may be considered that apply it in actual operation.
In order to ensure that anatomic form is simultaneously easy for installation, Sacral reconstruction plate its form, area designed by the utility model
Size, copy according to patient's rumpbone concrete form and the state of an illness, need to be selected according to medical knowledge and doctors experience, not letter
Single bionical piece of design.
The bone binding face of rumpbone fixed block designs for rumpbone dorsal part bionic curved surface, while is designed with 1mm metallized metal net
Lattice bone binding face provides good external condition for Bone Ingrowth, and metallized metal grid bone binding face is it is verified that with good
Self-bone grafting characteristic, larger porosity and certain metal grill bone binding face can promote Bone Ingrowth.
It is emphasized that designing screw way nail on rumpbone fixed block without fixed mode, principle is to be fixedly secured, simultaneously
To the soft tissue not damaged such as peripheral nerve, blood vessel, while this requires that screw way designs, the diameter of nail and length are determined,
After different duct angle designs are completed, what the diameter and length of nail be all to determine, needed in art according to preoperative design
Carry out placement one by one, it is impossible to malfunction.
By taking the clinical test that early stage carries out as an example：Male patient, 51 years old, left side pelvis chondrosarcoma, forward tumour was cut within 3 years
Except art and half pelvis displacement technique, traditional assembly type artificial semi-pelvis prosthesis is changed.Postoperative 3 years tumor recurrences invasion and attack pelvis and rumpbone
Sclerotin, traditional semi-pelvis prosthesis loosen.Existing prosthese can not complete reconstruction and the function of dissection after recurrent tumor is cut off
Recover.Patient comes after seeking medical advice, while to patient's row radiotherapy, to contracted pelvis tumour, while carries out pelvis prosthesis
Design.Though there is the displacement of full sacral prosthesis the country, only has part rumpbone by tumor invasion in view of the patient, designed for patient
Sacral reconstruction plate with solve 3D printing customization half pelvis installation question.After patient's informed consent participates in clinical trial, use
The utility model carries out prosthetic designs according to patient itself anatomical structure, and personalized Sacral reconstruction is finally customized for the patient
Plate.Routine operation, postoperative carry out rehabilitation guide.Postoperative 2.5 months of patient is i.e. by the preoperative state that can not be walked, to can independently lean on
Turn lowerly, and the action for the standing that can independently complete to sit up.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of 3D printing individuation customizes Sacral reconstruction plate, it is characterised in that including imitative on rumpbone for being jointly mounted to
Raw rumpbone jointing plate, the bionical human body rumpbone back side shape of shape of the bionical rumpbone jointing plate form, the bionical rumpbone patch
The face that plywood is bonded with rumpbone is provided with metal grill bone binding face, wherein the area of the metal grill bone binding face at least accounts for
The 1/3 to 1/2 of bionical rumpbone jointing plate entire area, the bionical rumpbone jointing plate are provided with fixed nail and for fixing
The pedestal of pelvis prosthesis.
2. 3D printing individuation according to claim 1 customizes Sacral reconstruction plate, it is characterised in that the bionical rumpbone patch
The thickness of plywood is 5mm；The thickness of the metal grill bone binding face is 1mm.
3. 3D printing individuation according to claim 1 customizes Sacral reconstruction plate, it is characterised in that described metal grill
The mesh porosity of bone binding face is between 70-80%.
4. 3D printing individuation according to claim 1 customizes Sacral reconstruction plate, it is characterised in that described bionical rumpbone
The length and width size of jointing plate is according to the size of patient's rumpbone and the erosion condition of tumour, respectively including large, medium and small three differences
Dimensions.
5. 3D printing individuation according to claim 1 customizes Sacral reconstruction plate, it is characterised in that bionical rumpbone jointing plate
Length determine that the length of bionical sacrum hone lamella is more than or equal to the width 1 of rumpbone to 5mm, bionical sacrum hone lamella according to the width of rumpbone
The height that can be exposed according to rumpbone of width determine.
6. 3D printing individuation according to claim 1 customizes Sacral reconstruction plate, it is characterised in that small dimension is used for rumpbone
Cut off within 1/3 or be not affected by the rumpbone of tumor invasion and attack.
7. 3D printing individuation according to claim 1 customizes Sacral reconstruction plate, it is characterised in that bionical rumpbone jointing plate
When being fitted on rumpbone, the set location of the fixed nail avoids nerve root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041098.4U CN207055574U (en) | 2017-01-13 | 2017-01-13 | 3D printing individuation customizes Sacral reconstruction plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720041098.4U CN207055574U (en) | 2017-01-13 | 2017-01-13 | 3D printing individuation customizes Sacral reconstruction plate |
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| Publication Number | Publication Date |
|---|---|
| CN207055574U true CN207055574U (en) | 2018-03-02 |
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ID=61500498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720041098.4U Expired - Fee Related CN207055574U (en) | 2017-01-13 | 2017-01-13 | 3D printing individuation customizes Sacral reconstruction plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN207055574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353861A (en) * | 2019-06-25 | 2019-10-22 | 丁浩男 | A kind of personalized preparation method of human body sacral prosthesis |
| CN113081399A (en) * | 2021-03-23 | 2021-07-09 | 北京力达康科技有限公司 | Pelvis prosthesis |
-
2017
- 2017-01-13 CN CN201720041098.4U patent/CN207055574U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353861A (en) * | 2019-06-25 | 2019-10-22 | 丁浩男 | A kind of personalized preparation method of human body sacral prosthesis |
| CN110353861B (en) * | 2019-06-25 | 2021-08-27 | 广州诺曼数字化医疗科技有限公司 | Personalized preparation method of human sacrum prosthesis |
| CN113081399A (en) * | 2021-03-23 | 2021-07-09 | 北京力达康科技有限公司 | Pelvis prosthesis |
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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: 20180302 Termination date: 20190113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |