CN111452350A - Multifunctional medical goggle surface contour fitting design and 3D printing method - Google Patents
Multifunctional medical goggle surface contour fitting design and 3D printing method Download PDFInfo
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- CN111452350A CN111452350A CN202010497961.3A CN202010497961A CN111452350A CN 111452350 A CN111452350 A CN 111452350A CN 202010497961 A CN202010497961 A CN 202010497961A CN 111452350 A CN111452350 A CN 111452350A
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- goggles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2012/00—Frames
- B29L2012/005—Spectacle frames
Abstract
The invention provides a multifunctional medical goggles face contour fitting design and 3D printing method, and mainly relates to the field of personalized customization of goggles. A method for contour fitting design and 3D printing of a multifunctional medical goggles face comprises the following steps: obtaining human face shape data and carrying out three-dimensional reconstruction to obtain a human face model; based on the obtained three-dimensional shape data of the face, fitting design is carried out on an inner side eye protection structure of the goggles and an outer side edge structure of the goggles, and a personalized double-layer sealing protection structure attached to the face is obtained; the structure of the eye protection spectacle frame is optimized by the technologies such as topology optimization, and the spectacle frame is manufactured by selecting light and soft materials; printing out the personalized goggle frame entity. The invention has the beneficial effects that: the invention solves the defects that the traditional goggles are poor in air tightness of a coupling area of the traditional goggles and a mask at the nose bridge in the wearing process, are not attached to the facial contour, are easy to cause skin damage due to the compression of the edge of the goggles, are easy to cause fog and interfere with sight, and the like.
Description
Technical Field
The invention mainly relates to the field of personalized customization of goggles, in particular to a method for 3D printing of goggles.
Background
The traditional goggles are produced in batch after being designed into a shape. However, there is a difference in facial morphology between each individual, and there is also an individual difference between the periorbital and nasion areas that contact the eyewear. Therefore, the contact surface of the traditional goggles which are commercially produced in mass production and the skin can not achieve the effect of complete fitting, and particularly when the traditional goggles are used in combination with protective articles such as a mask, overlapping coupling areas exist. The humid gas of peroral nose exhalation passes through the gauze mask edge and spreads into in the eyepiece, often can lead to the mirror surface atomizing, generally in order to reach the airtight effect of coupling region through increasing goggles frenulum pressure to this user, wears for a long time under this kind of state, and facial pressure nature damage can take place for a lot of medical staff.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a 3D printing goggles method, which carries out personalized customization on goggles according to the face contour of an individual, and solves the problems that the visual field is fuzzy due to easy atomization of lenses in the wearing process of the traditional goggles, and the face is damaged by pressure after being worn for a long time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a multifunctional medical goggles face contour fitting design and 3D printing method comprises the following steps:
the first step is as follows: rapidly acquiring human face appearance data and carrying out three-dimensional reconstruction to obtain a human face model; based on the obtained three-dimensional shape data of the face, fitting design is carried out on an inner eye protection structure of the goggles and an outer edge structure of the goggles through a modularization and Boolean operation design method, and a personalized double-layer sealing protection structure attached to the face is obtained;
the second step is that: the structure of the goggles frame is optimized through a topology optimization technology, and the goggle frame is manufactured by selecting light and soft materials, so that the weight of the goggles and the pressure of the goggles on the face of a medical worker are reduced; selecting a lens with an antifogging coating as a lens of medical goggles;
the third step: after the three-dimensional data of the goggles is sliced, the three-dimensional data is guided into a 3D printer group through a data sharing technology, and personalized goggle frame entities are printed in batches; the anti-fog lens and the tying belt are arranged on the goggle frame, and the mechanical property and the medical property of the goggle frame are detected.
Preferably, in the first step, one or more of mobile phone APP software, a scanner and CT scanning equipment are developed to rapidly acquire the human face shape data, the data are transmitted to a computer, and modeling software such as Minics and Magics is used to perform three-dimensional reconstruction on the human face shape data to obtain a human face three-dimensional model.
Preferably, in the first step, three-dimensional modeling software such as pro-e, UG, solidworks and the like is adopted to establish a three-dimensional model of a basic structure of the goggles, specifically comprising structures such as a spectacle frame, a lens clamping groove, a lace fastening groove and the like, and the size of the basic goggles is required to be larger than that of a goggle body attached to the face.
Preferably, in the first step, a three-dimensional model of a near eyelid part and a far eyelid part of the human face is selected for offset treatment, and the offset distance to the outside is 0.05-0.2mm, so that a near-eye side sealing structure model of the goggles attached to the face is obtained; and assembling the obtained near-eye side sealing structure model with a human face three-dimensional model and a goggles basic structure three-dimensional model, and deleting redundant parts by using methods such as Boolean operation and the like to obtain the personalized double-layer sealing protection goggles frame which has a frame structure attached to the face and sealing structure characteristics attached to the near-eye orbit part.
Preferably, in the first step, a personalized double-layer sealed protective goggle frame modular design program is established through software secondary development of Magics and the like, and the modular and rapid design is performed on the peripheral frame attaching and eye socket attaching protective structures.
Preferably, in the second step, the method is characterized in that: the goggle frame is made of one or a combination of more of free radical photosensitive resin, nylon materials, polyether-ether-ketone and thermoplastic polyurethane elastomer rubber materials, and the weight of the goggle is reduced through topological optimization light-weight design.
Preferably, in the second step, the silica gel material is attached to and added on the inside laminating structure of goggles, reduces the oppression of goggles to medical personnel face.
Preferably, in the third step, 3D printer groups of different models are established, and the 3D printers have the characteristics of being connectable to a network, being capable of using different printing materials and the like; the three-dimensional model data of the personalized goggles are subjected to slicing processing, and are imported into a 3D printer group through a data sharing technology, so that personalized goggle frame entities of different materials and different shapes are printed in batches.
Preferably, in the third step, the lens with the antifogging coating is attached to the personalized spectacle frame by using an adhesive, and finally, the complete goggles are obtained.
Preferably, in the third step, the complete and personalized goggles pass medical mechanics and safety tests.
Compared with the prior art, the invention has the beneficial effects that:
(1) good sealing protection structure for attaching face
Aiming at the defects that the traditional goggles are easy to atomize and are not easy to be worn tightly when being used together with a mask. Through the goggles laminated structure of the near eye socket, eyes and mouth and nose are isolated, and hot air exhaled in the mask can be effectively prevented from entering the goggles, so that the inner side atomization phenomenon of goggles lenses is avoided. Through digital acquisition, personalized customization and 3D printing manufacturing mode, realized the effective laminating of goggles and user's face, realized the good protection around eye and the eye.
(2) Light weight, weak contact design
Aiming at the defects that the traditional goggles are heavy and are easy to cause pressure damage after being worn for a long time or being mismatched in size, the design of light structure can be realized through light material selection and structural topology optimization, and the contact pressure on the face is reduced as much as possible through personalized design and fitting of the facial contour.
(3) 3D printing personalized rapid manufacturing
Once the facial contour structure of a demander is obtained, the structure of the goggles can be designed according to the personalized appearance of the demander, even the structure of the goggles can be modified at any time according to the requirements and the facial changes, and the personalized manufacture and the repeatable rapid manufacture are really realized. Irregular shapes (such as gaps and the like) introduced by the topological structure design or complex structures designed by special requirements can be rapidly manufactured by a 3D printing means.
(4) Reinforced lens
This device chooses for use the lens that has antifog coating to laminate on individualized picture frame with the binder, and antifog lens, binding material have the characteristic of anti high temperature, anti organic corrosion characteristic, and after combining with this 3D printing goggles frame, can carry out better protection to medical personnel.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram of the human face model and goggles model in accordance with the present invention;
fig. 3 is a 3D printed finished image of the eyewear frame of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1-3, the present invention provides a method for 3D printing goggles, which comprises the following steps:
the first step is as follows: the method comprises the steps of collecting human face shape data by adopting scanning equipment such as profile scanners for developing mobile phone APP software, scanners, CT scanning equipment and the like, transmitting the data to a computer, and performing three-dimensional reconstruction on the face shape data by utilizing modeling software such as Minics, Magics and the like to obtain a human face three-dimensional model. And then, based on the obtained three-dimensional shape data of the face, three-dimensional modeling software such as pro-e, UG, solidworks and the like is adopted to establish a three-dimensional model of a basic structure of the goggles, specifically comprising structures such as a spectacle frame, a lens clamping groove, a lace fastening groove and the like, and the volume of the manufactured basic goggles is required to be larger than that of a goggle body attached to the face. Then selecting three-dimensional models of a near eyelid part and a far eyelid part of the human face to perform offset treatment, and offsetting the three-dimensional models to the outside by 0.05-0.2mm, thereby obtaining a near-eye side sealing structure model of the goggles attached to the face; and assembling the obtained near-eye side sealing structure model with a human face three-dimensional model and a goggles basic structure three-dimensional model, and deleting redundant parts by using methods such as Boolean operation and the like to obtain the personalized double-layer sealing protection goggles frame which has a frame structure attached to the face and sealing structure characteristics attached to the near-eye orbit part. And finally, establishing a personalized double-layer sealed protective goggle frame modular design program through software secondary development of Magics and the like, and performing modular and rapid design on the laminated peripheral frame and the laminated near-orbit protective structure.
The second step is that: the structure of the goggle frame is optimized through a topology optimization technology, and the goggle frame is manufactured by selecting a light and soft material, wherein the goggle frame can be made of one or a combination of more of free radical photosensitive resin, nylon material, polyether-ether-ketone and thermoplastic polyurethane elastomer rubber material, and the weight of the goggle is reduced through topology optimization light-weight design. Thereby reducing the weight of the goggles and the pressure on the face of the medical care personnel; lenses with an anti-fog coating were selected as the lenses for medical goggles.
The third step: after the three-dimensional data of the goggles are sliced, 3D printer groups of different models are established, and the 3D printers have the characteristics of being capable of being connected with a network, being capable of using different printing materials and the like; the three-dimensional model data of the personalized goggles are subjected to slicing processing, and are imported into a 3D printer group through a data sharing technology, so that personalized goggle frame entities of different materials and different shapes are printed in batches. The lens with the antifogging coating is attached to the personalized spectacle frame through the adhesive, the antifogging lens and the adhesive material have the characteristics of high temperature resistance and organic corrosion resistance, the complete goggles are finally obtained, and the tying bands are arranged on the two sides of the goggles. Finally, the obtained complete and personalized goggles can be qualified by medical mechanics and safety tests.
Furthermore, silica gel material is attached to and added on the inboard laminated structure of goggles to increase the degree of comfort of wearing of goggles and the gas tightness after wearing.
Through specific practical operation, the printing layer thickness of the material is generally between 0.05mm and 0.3mm, the printing of the personalized eye-protection spectacle frame (about 50mm high) can be completed within 2 to 5 hours, the rapid manufacturing of the personalized spectacle frame is realized, and the convenience and the rapidness are realized.
Claims (10)
1. A multifunctional medical goggles face contour fitting design and 3D printing method is characterized in that: the method comprises the following steps:
the first step is as follows: rapidly acquiring human face appearance data and carrying out three-dimensional reconstruction to obtain a human face model; based on the obtained three-dimensional shape data of the face, fitting design is carried out on an inner eye protection structure of the goggles and an outer edge structure of the goggles through a modularization and Boolean operation design method, and a personalized double-layer sealing protection structure attached to the face is obtained;
the second step is that: the structure of the goggles frame is optimized through a topology optimization technology, and the goggle frame is manufactured by selecting light and soft materials, so that the weight of the goggles and the pressure of the goggles on the face of a medical worker are reduced; selecting a lens with an antifogging coating as a lens of medical goggles;
the third step: after the three-dimensional data of the goggles is sliced, the three-dimensional data is guided into a 3D printer group through a data sharing technology, and personalized goggle frame entities are printed in batches; the anti-fog lens and the tying belt are arranged on the goggle frame, and the mechanical property and the medical property of the goggle frame are detected.
2. The method of claim 1, wherein the method comprises the steps of: in the first step, one or more of development mobile phone APP software, a scanner and CT scanning equipment are adopted to rapidly acquire the human face shape data, the data are transmitted to a computer, modeling software such as Minics and Magics is used for performing three-dimensional reconstruction on the face shape data, and a human face three-dimensional model is obtained.
3. The method of claim 1, wherein the method comprises the steps of: in the first step, three-dimensional modeling software such as pro-e, UG, solidworks and the like is adopted to establish a three-dimensional model of a basic structure of the goggles, specifically comprising structures such as a goggle frame, a lens clamping groove, a lace fastening groove and the like, and the size of the basic goggles is required to be larger than that of a goggle body attached to the face.
4. The method of claim 1, wherein the method comprises the steps of: in the first step, selecting a three-dimensional model of a near eyelid part and a far eyelid part of a human face to perform offset treatment, and offsetting the three-dimensional model to the outside by 0.05-0.2mm, thereby obtaining a near-eye side sealing structure model of the goggles attached to the face; and assembling the obtained near-eye side sealing structure model with a human face three-dimensional model and a goggles basic structure three-dimensional model, and deleting redundant parts by using methods such as Boolean operation and the like to obtain the personalized double-layer sealing protection goggles frame which has a frame structure attached to the face and sealing structure characteristics attached to the near-eye orbit part.
5. The method of claim 1, wherein the method comprises the steps of: in the first step, a personalized double-layer sealing protection goggle frame modular design program is established through software secondary development of Magics and the like, and a peripheral frame attaching structure and a near eye socket attaching structure are modularly and quickly designed.
6. The method of claim 1, wherein the method comprises the steps of: in the second step, it is characterized in that: the goggle frame is made of one or a combination of more of free radical photosensitive resin, nylon materials, polyether-ether-ketone and thermoplastic polyurethane elastomer rubber materials, and the weight of the goggle is reduced through topological optimization light-weight design.
7. The method of claim 1, wherein the method comprises the steps of: in the second step, the silica gel material is attached to the inner side joint structure of the goggles, and the pressure of the goggles on the face of the medical staff is reduced.
8. The method of claim 1, wherein the method comprises the steps of: in the third step, 3D printer groups of different models are established, and the 3D printers have the characteristics of being capable of being connected with a network, being capable of using different printing materials and the like; the three-dimensional model data of the personalized goggles are subjected to slicing processing, and are imported into a 3D printer group through a data sharing technology, so that personalized goggle frame entities of different materials and different shapes are printed in batches.
9. The method of claim 1, wherein the method comprises the steps of: and in the third step, the lens with the antifogging coating is attached to the personalized spectacle frame by using the adhesive, and the antifogging lens and the adhesive material have the characteristics of high temperature resistance and organic corrosion resistance, so that the complete goggles are finally obtained.
10. The method of claim 1, wherein the method comprises the steps of: in the third step, the complete and personalized goggles pass medical mechanics and safety tests.
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| CN117100475A (en) * | 2023-08-22 | 2023-11-24 | 南方医科大学珠江医院 | Knee joint Kang Fufu tool based on 3D printing and preparation method and use method thereof |
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Effective date of registration: 20210719 Address after: 250031 No. 247 Beiyuan Street, Jinan City, Shandong Province Applicant after: THE SECOND HOSPITAL OF SHANDONG University Address before: 250033 Department of Stomatology, the second hospital of Shandong University, Jinan, Shandong Province Applicant before: Lai Qingguo |
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Application publication date: 20200728 |