CN109893300A - A kind of skeletal support frame manufacturing method based on 3D scanning and printing - Google Patents
A kind of skeletal support frame manufacturing method based on 3D scanning and printing Download PDFInfo
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- CN109893300A CN109893300A CN201910078579.6A CN201910078579A CN109893300A CN 109893300 A CN109893300 A CN 109893300A CN 201910078579 A CN201910078579 A CN 201910078579A CN 109893300 A CN109893300 A CN 109893300A
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Abstract
The present invention relates to a kind of skeletal support frame manufacturing methods based on 3D scanning and printing: S1: according to data at bone scan data, bone defects, exporting 3D model；S2: the 3D model at bone defects is extracted, and according to the matched skeletal support frame of the modelling；S3: compound bone holder part is produced using photo-curing direct molding or photocuring indirect forming according to the skeletal support frame designed；S4: lactic acid polymer is introduced in the stake holes that compound bone holder part has；S5: compound bone holder part being put into vacuum casting machine and carries out casting mold, is with cambered shape by lactic acid polymer pile body casting mold；S6: compound skeletal support frame being taken out and is polished, and scan data exports 3D model；S7: the 3D model of compound skeletal support frame is compared with the 3D model at bone defects, is performed the next step if errorless；S8: hydrogel solution is prepared, a water-setting glue chamer body is made, compound skeletal support frame is put into the water-setting glue chamer body, and by its curing molding.
Description
Technical field
The present invention relates to the manufacture of bionical bone, in particular to a kind of skeletal support frame manufacturing method based on 3D scanning and printing.
Background technique
For the artificial bone to implant, the macroscopic form of artificial bone decides the form of newborn skeleton, so if people
The macroscopic form of work bone and the skeletal form of people mismatch, and will lead to the deformation of newborn skeleton.And it is microcosmic logical inside artificial bone
Road can not only then promote the degradation of artificial bone, and be that the necessary condition of new Bone Ingrowth is implanted into without these microcellular structures
Artificial bone would become hard to complete cell creep with skeletonization alternative Process and become permanent sequestrum.Therefore, in order to realize artificial bone
With the matching of the skeletal form of people, traditional method is completed mainly by manual repair, or by machining process appropriate
The individualized fit of artificial bone and people's bone；In order to construct artificial bone microchannel system, traditional method have pore former analysis hole method,
Foam hole forming method, thermally induced phase separation, fibrage method, extrusion moulding and imprinting moulding method etc., but these methods there is
Hole not can guarantee conducting, process controllability difference and can not carry out the Bionic Design of microstructure and the defect of manufacture.
Summary of the invention
Goal of the invention:
Aiming at the problem that mentioning in background technique, the present invention relates to a kind of skeletal support frame manufacturing methods based on 3D scanning and printing.
Technical solution:
A kind of skeletal support frame manufacturing method based on 3D scanning and printing, comprising the following steps:
S1: according to data at bone scan data, bone defects, 3D model is exported；
S2: the 3D model at bone defects is extracted, and according to the matched skeletal support frame of the modelling；
S3: compound bone branch is produced using photo-curing direct molding or photocuring indirect forming according to the skeletal support frame designed
Frame part；
S4: lactic acid polymer is introduced in the stake holes that compound bone holder part has；
S5: compound bone holder part being put into vacuum casting machine and carries out casting mold, by lactic acid polymer pile body casting mold be with
The shape of radian；
S6: compound skeletal support frame being taken out and is polished, and scan data exports 3D model；
S7: the 3D model of compound skeletal support frame is compared with the 3D model at bone defects, is performed the next step if errorless；
S8: preparing hydrogel solution, make a water-setting glue chamer body, compound skeletal support frame is put into the water-setting glue chamer body, and
By its curing molding.
As a kind of preferred embodiment of the invention, step S3 is specifically included, and 3D model data is imported Stereolithography machine
In shape；Then, bioceramic slurry is injected in minus obtained, preliminary oscillation makes filled therewith enter minus；Again will
Minus after grouting is placed in type vacuum injecting and forming machine.
As a kind of preferred embodiment of the invention, step S3 specifically further includes that green body is placed in high-temperature experiment electric stove,
High-temperature roasting, furnace cooling after heat preservation are carried out under normal pressure, air atmosphere；After high-temperature roasting, minus by complete burn off,
The required skeletal support frame based on 3D scanning and printing is obtained after sintering.
As a kind of preferred embodiment of the invention, 250 ± 5 DEG C high-temperature roasting: were increased to by room temperature through 1.5 ± 0.2 hours；
600 ± 5 DEG C were warming up to by 250 ± 5 DEG C through 7 ± 0.2 hours；1100 ± 5 DEG C were warming up to by 600 ± 5 DEG C through 5 ± 0.2 hours；And
3 ± 0.2 hours are kept the temperature at 1100 ± 5 DEG C.
As a kind of preferred embodiment of the invention, the lactic acid polymer pile body at least there are two.
As a kind of preferred embodiment of the invention, the micropore of compound skeletal support frame is greater than 300 μm.
The present invention realize it is following the utility model has the advantages that
Preparation is simple, and process control agrees with the bone defect of patient, and can preferably adapt to bone.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of the skeletal support frame manufacturing method based on 3D scanning and printing provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
For Fig. 1.
Specifically, a kind of skeletal support frame manufacturing method based on 3D scanning and printing, comprising the following steps:
S1: according to data at bone scan data, bone defects, 3D model is exported；Utilize cad technique and 3D modeling technology pair
It is modeled at bone defects.
S2: the 3D model at bone defects is extracted, and according to the matched skeletal support frame of the modelling；Natural bone is implemented
Micro-CT scanning, to obtain the microscopic three-dimensional porous structure information of cancellous bone and the tomograph of three-dimensional space position density information
Picture, and porous structural model is established according to the image, simulate true bone.
S3: Composite Bone is produced using photo-curing direct molding or photocuring indirect forming according to the skeletal support frame designed
Bone holder part；Bioceramic bone is manufactured using photocuring technology.
S4: lactic acid polymer is introduced in the stake holes that compound bone holder part has；
S5: compound bone holder part being put into vacuum casting machine and carries out casting mold, by lactic acid polymer pile body casting mold be with
The shape of radian；Radian shape is conducive to the fixation in entity bone, reduces the probability that falls off.
S6: compound skeletal support frame being taken out and is polished, and scan data exports 3D model；
S7: the 3D model of compound skeletal support frame is compared with the 3D model at bone defects, is performed the next step if errorless；
S8: preparing hydrogel solution, make a water-setting glue chamer body, compound skeletal support frame is put into the water-setting glue chamer body, and
By its curing molding.
As a kind of preferred embodiment of the invention, step S3 is specifically included, and 3D model data is imported Stereolithography machine
In shape；Then, bioceramic slurry is injected in minus obtained, preliminary oscillation makes filled therewith enter minus；Again will
Minus after grouting is placed in type vacuum injecting and forming machine.
As a kind of preferred embodiment of the invention, step S3 specifically further includes that green body is placed in high-temperature experiment electric stove,
High-temperature roasting, furnace cooling after heat preservation are carried out under normal pressure, air atmosphere；After high-temperature roasting, minus by complete burn off,
The required skeletal support frame based on 3D scanning and printing is obtained after sintering.
As a kind of preferred embodiment of the invention, 250 ± 5 DEG C high-temperature roasting: were increased to by room temperature through 1.5 ± 0.2 hours；
600 ± 5 DEG C were warming up to by 250 ± 5 DEG C through 7 ± 0.2 hours；1100 ± 5 DEG C were warming up to by 600 ± 5 DEG C through 5 ± 0.2 hours；And
3 ± 0.2 hours are kept the temperature at 1100 ± 5 DEG C.
As a kind of preferred embodiment of the invention, the lactic acid polymer pile body at least there are two, two pile bodies and entity
Bone connection, reserves pile body position on entity bone.
As a kind of preferred embodiment of the invention, the micropore of compound skeletal support frame is greater than 300 μm, less than the micropore of the numerical value
It excludes.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of skeletal support frame manufacturing method based on 3D scanning and printing, which comprises the following steps:
S1: according to data at bone scan data, bone defects, 3D model is exported；
S2: the 3D model at bone defects is extracted, and according to the matched skeletal support frame of the modelling；
S3: compound bone branch is produced using photo-curing direct molding or photocuring indirect forming according to the skeletal support frame designed
Frame part；
S4: lactic acid polymer is introduced in the stake holes that compound bone holder part has；
S5: compound bone holder part being put into vacuum casting machine and carries out casting mold, by lactic acid polymer pile body casting mold be with
The shape of radian；
S6: compound skeletal support frame being taken out and is polished, and scan data exports 3D model；
S7: the 3D model of compound skeletal support frame is compared with the 3D model at bone defects, is performed the next step if errorless；
S8: preparing hydrogel solution, make a water-setting glue chamer body, compound skeletal support frame is put into the water-setting glue chamer body, and
By its curing molding.
2. a kind of skeletal support frame manufacturing method based on 3D scanning and printing according to claim 1, which is characterized in that step
S3 is specifically included, and 3D model data is imported in Stereolithography machine and is shaped；Then, biology is injected in minus obtained
Ceramic slurry, preliminary oscillation make filled therewith enter minus；The minus after grouting is placed in type vacuum injecting and forming machine again.
3. a kind of skeletal support frame manufacturing method based on 3D scanning and printing according to claim 2, which is characterized in that step
S3 specifically further includes that green body is placed in high-temperature experiment electric stove, and high-temperature roasting is carried out under normal pressure, air atmosphere, and heat preservation terminates
Furnace cooling afterwards；After high-temperature roasting, minus obtains the required bone based on 3D scanning and printing by complete burn off after sintering
Bracket.
4. a kind of skeletal support frame manufacturing method based on 3D scanning and printing according to claim 3, which is characterized in that high temperature
Roasting: 250 ± 5 DEG C were increased to by room temperature through 1.5 ± 0.2 hours；600 ± 5 DEG C were warming up to by 250 ± 5 DEG C through 7 ± 0.2 hours；
1100 ± 5 DEG C were warming up to by 600 ± 5 DEG C through 5 ± 0.2 hours；And 3 ± 0.2 hours are kept the temperature at 1100 ± 5 DEG C.
5. a kind of skeletal support frame manufacturing method based on 3D scanning and printing according to claim 1, which is characterized in that described
Lactic acid polymer pile body at least there are two.
6. a kind of skeletal support frame manufacturing method based on 3D scanning and printing according to claim 1, which is characterized in that compound
The micropore of skeletal support frame is greater than 300 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078579.6A CN109893300A (en) | 2019-01-28 | 2019-01-28 | A kind of skeletal support frame manufacturing method based on 3D scanning and printing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910078579.6A CN109893300A (en) | 2019-01-28 | 2019-01-28 | A kind of skeletal support frame manufacturing method based on 3D scanning and printing |
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| CN201910078579.6A Withdrawn CN109893300A (en) | 2019-01-28 | 2019-01-28 | A kind of skeletal support frame manufacturing method based on 3D scanning and printing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI724938B (en) * | 2020-07-08 | 2021-04-11 | 可成生物科技股份有限公司 | Human implants |
| CN113768665A (en) * | 2020-06-10 | 2021-12-10 | 上海交通大学医学院附属第九人民医院 | Bone defect repair support, construction method, preparation method, computer-readable storage medium and equipment |
| CN114261095A (en) * | 2022-03-03 | 2022-04-01 | 西安博恩生物科技有限公司 | AI-based orthopedic 3D printing method and device |
-
2019
- 2019-01-28 CN CN201910078579.6A patent/CN109893300A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768665A (en) * | 2020-06-10 | 2021-12-10 | 上海交通大学医学院附属第九人民医院 | Bone defect repair support, construction method, preparation method, computer-readable storage medium and equipment |
| TWI724938B (en) * | 2020-07-08 | 2021-04-11 | 可成生物科技股份有限公司 | Human implants |
| CN114261095A (en) * | 2022-03-03 | 2022-04-01 | 西安博恩生物科技有限公司 | AI-based orthopedic 3D printing method and device |
| CN114261095B (en) * | 2022-03-03 | 2022-05-27 | 西安博恩生物科技有限公司 | AI-based orthopedic 3D printing method and device |
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Application publication date: 20190618 |