CN110063832B - Personalized customized ostomy bag design method based on 3D printing technology and product - Google Patents
Personalized customized ostomy bag design method based on 3D printing technology and product Download PDFInfo
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- CN110063832B CN110063832B CN201910255109.2A CN201910255109A CN110063832B CN 110063832 B CN110063832 B CN 110063832B CN 201910255109 A CN201910255109 A CN 201910255109A CN 110063832 B CN110063832 B CN 110063832B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
- A61F5/445—Colostomy, ileostomy or urethrostomy devices
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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
-
- 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
- B33Y80/00—Products made by additive manufacturing
Abstract
A3D printing technology-based personalized ostomy bag design method and a product. Belongs to the field of medical auxiliary instrument design. The problem that the opening of the ostomy bag for the existing artificial anus is inaccurate is solved. A personalized ostomy bag design method based on a 3D printing technology is characterized in that a three-dimensional model of an artificial anus stoma and surrounding skin is reconstructed based on CT scanning data of an artificial anus area of the abdomen of a patient; preprocessing the reconstructed three-dimensional model data; designing a skin-attached silica gel base model of the ostomy bag according to the three-dimensional model data of the stoma, and storing the model in stl format files; and inputting the designed file into a 3D printer for solid printing and manufacturing. The ostomy bag can meet the requirements of individual customization of patients, avoid liquid leakage and air leakage, and is helpful for preventing the external hernia of the stoma.
Description
Technical Field
The invention belongs to a design method and a product of a mold for medical surgery clinical postoperative care by a 3D printing technology, and particularly relates to a design method and a product of a personalized ostomy bag based on the 3D printing technology.
Background
The artificial anus is also called artificial anus or enterostomy. It means that the stool is diverted through the operation for various reasons and is not discharged from the anus but discharged from the abdominal stoma. Whether the device can be accommodated or not can be divided into permanent and temporary; according to different stoma positions, the colostomy can be divided into sigmoid colostomy, descending colostomy, transverse colostomy, ileostomy, jejunum ostomy and the like; the device is divided into a single-cavity stoma and a double-cavity stoma according to whether the intestinal tract is disconnected. In China, about 10 ten thousand patients have enterostomy due to low-grade rectal cancer every year, and the total number of patients with enterostomy is about 100 ten thousand, wherein the most common is ileum terminal or colostomy.
An artificial anus operation or enterostomy is a common surgical procedure, in which a surgeon first makes an opening in the abdominal wall of a patient, then pulls a section of the intestinal tube out of the abdominal cavity and fixes the opening of the intestinal tube to the abdominal wall for excretion of feces, which can be collected in a special plastic bag attached to the opening. The ostomy bags commonly used in the market are mainly of two types, one type is a bandage type, the other type is an adhesive skin type, most patients use the adhesive skin type, the difference of each stoma is large, the shape is different, the patient needs to manually cut an opening matched with the abdominal wall opening before use, but excrement is leaked on the skin due to the difficult grasp of the shape and the size, and various complications around the stoma, such as cellulitis, fungal infection, irritant dermatitis or skin rash, allergy and the like can be caused in the past. Other problems are retraction or invagination of the enterostomy, bulging or prolapse of the enterostomy, and formation of internal and external hernias in the enterostomy. In view of these clinical problems in general, we provide targeted personalized solutions through 3D technology.
Disclosure of Invention
The invention aims to solve the problems of liquid leakage and air leakage caused by inaccurate opening of a stoma on an ostomy bag for the existing artificial anus, and provides a personalized customized ostomy bag design method and a product based on a 3D printing technology.
A personalized and customized ostomy bag design method based on a 3D printing technology is realized by the following steps:
step one, acquiring CT scanning data of an artificial anus area of the abdomen of a patient;
secondly, reconstructing a three-dimensional model of the artificial anus stoma and the surrounding skin based on CT scanning data;
step three, preprocessing the reconstructed three-dimensional model data, comprising: smoothing, removing noise and foreign value points and simplifying a model;
drawing a contour curve of the stoma according to a graph presented by the preprocessed three-dimensional model, and storing the drawn contour curve in an iges format;
designing a stoma bag skin-attached silica gel base model according to the three-dimensional model data of the stoma, wherein the stoma bag skin-attached silica gel base model comprises a thin film structure used for wrapping the artificial anus and reflecting the three-dimensional model shape of the stoma, a standardized elliptical silica gel bottom frame structure and an abdominal belt fixing structure; the structure of the film is provided with an individually designed stoma shape, the film structure is arranged on an inner ring of a standardized elliptical silica gel bottom frame structure, the film structure is combined with the standardized elliptical silica gel bottom frame structure to be designed into a film standard base integrated model, the abdominal belt fixing structure and the standardized elliptical silica gel bottom frame structure are in an assembly relation, and the standardized elliptical silica gel bottom frame structure and the transparent plastic ostomy bag are fixedly assembled and fixed together; the integrated model of the film standard base is made of silica gel material, the abdominal belt fixing structure is made of photosensitive resin, the abdominal belt fixing structure is an elastic belt with nylon sticking buckles, and the transparent plastic ostomy bag is a PE plastic bag;
designing a relevant silica gel filling mold based on the integrated model of the film standard base in the step four, and inputting a stl format data file of a fixing device of the abdominal belt fixing structure into a 3D printer for printing;
and then, finishing the design process of the personalized customized ostomy bag.
A personalized ostomy bag based on a 3D printing technology comprises a film structure used for wrapping an artificial anus and reflecting the shape of a three-dimensional model of an ostomy, a standardized elliptical silica gel bottom frame structure, the design of a abdominal belt fixing structure and a transparent plastic ostomy bag; wherein, the first and the second end of the pipe are connected with each other,
the film structure is provided with a personalized stoma shape;
the standardized elliptical silica gel bottom frame structure is a thin sheet with a hole in the middle;
the abdominal belt fixing structure is a thin sheet with a hole in the middle, and both sides of the abdominal belt fixing structure are respectively provided with a slotted hole;
the periphery of the thin film structure is fixed with the inner ring of the standardized elliptical silica gel bottom frame structure, and the thin film structure is combined with the standardized elliptical silica gel bottom frame structure to be designed into a thin film standard base integrated model;
the abdominal belt fixing structure is assembled with the standardized elliptical silica gel bottom frame structure, and the assembly is realized through interference fit of a group of small holes on the surface of the abdominal belt fixing structure and a group of cylinders on the surface of the standardized elliptical silica gel bottom frame structure;
transparent plastic ostomy bags are clamped between the standardized elliptical silica gel bottom frame structure and the abdominal belt fixing structure.
The invention has the following effects:
individualized customized 3D prints ostomy bag. The three-dimensional reconstruction of the artificial anus and the surrounding skin is carried out based on CT scanning data of the abdomen of a patient, an aptamer film structure conforming to the shape of the artificial anus is designed based on a reconstructed three-dimensional model, other fixed standard structure designs are carried out by using industrial design software, and film structure and standard fixed bases are mixed to form an integrated structure, and a corresponding die is designed based on a new structure. The 3D printer is used for completing the processing and manufacturing of the filling mold and other fixed structures. The personalized ostomy bag can realize personalized customization according to the shape of the artificial anus of a patient, and the film structure of the customized part can tightly wrap the protruding artificial anus, so that intestinal juice and excrement are prevented from flowing back to the surface of the skin, and the complications such as skin ulceration and eczema after operation caused by leakage and air leakage are avoided. And design simple manufacture, the practicality is high, based on 3D prints processing technology, has practiced thrift the use of raw and other materials to the at utmost, and this product sexual valence relative altitude can not produce great economic burden to the patient.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic representation of the operation of reconstructing a three-dimensional model according to step two of the present invention;
FIG. 3 is a diagram of a standardized elliptical silica gel bottom frame structure designed in step four of the present invention;
FIG. 4 is a schematic representation of a binder attachment structure according to step four of the present invention;
FIG. 5 is a diagram of an integrated model of a film standard base consisting of a film structure of an artificial anus and a standardized elliptical silica gel bottom frame structure designed in step four of the present invention;
FIG. 6 is a diagram of the assembled integrated model of the membrane standard base and the abdominal belt fixing structure designed in step four of the present invention;
FIG. 7 is a schematic representation of the design process of the assembled integrated model of a film modular base with a stoma shape and a bellyband fixing structure according to the present invention;
FIGS. 8-11 are cross-sectional views of FIGS. 3-6;
FIG. 12 is an assembly view;
fig. 13 is a perspective view of fig. 4.
Detailed Description
The first embodiment is as follows:
the personalized customized ostomy bag design method based on the 3D printing technology of the embodiment is realized by the following steps as shown in figure 1:
step one, acquiring CT scanning data of an artificial anus area of the abdomen of a patient;
secondly, reconstructing a three-dimensional model of the artificial anus stoma and the surrounding skin based on CT scanning data;
step three, preprocessing the reconstructed three-dimensional model data, comprising: smoothing, removing noise and foreign value points and simplifying a model;
drawing an outline curve of the stoma according to a graph presented by the preprocessed three-dimensional model, and storing the drawn outline curve in an iges format;
designing a stoma bag skin-attached silica gel base model according to the three-dimensional model data of the stoma, wherein the stoma bag skin-attached silica gel base model comprises a thin film structure used for wrapping the artificial anus and reflecting the three-dimensional model shape of the stoma, a standardized elliptical silica gel bottom frame structure and an abdominal belt fixing structure; the structure comprises a film structure, a standardized elliptical silica gel bottom frame structure, a belly belt fixing structure, a standardized elliptical silica gel bottom frame structure, a transparent plastic ostomy bag, a standardized elliptical silica gel bottom frame structure and a transparent plastic ostomy bag, wherein the film structure is provided with an individualized stoma shape and is arranged on an inner ring of the standardized elliptical silica gel bottom frame structure; the integrated model of the film standard base is made of silica gel material, the abdominal belt fixing structure is made of photosensitive resin, the abdominal belt fixing structure is an elastic belt with nylon sticking buckles, and the transparent plastic ostomy bag is a PE plastic bag;
designing a relevant silica gel filling mold based on the integrated model of the film standard base in the step four, and inputting a stl format data file of a fixing device of the abdominal belt fixing structure into a 3D printer for printing;
thus, the design process of the personalized customized ostomy bag is completed;
and finally, based on the printed mold, filling the silica gel base, and assembling the silica gel base with the abdominal belt fixing structure and the ostomy bag after the silica gel base model is solidified.
The core technology of the invention uses CT data to carry out three-dimensional reconstruction to obtain the accurate data of the stoma and the surrounding skin, and the invention is designed and manufactured according to the accurate data.
The second embodiment is as follows:
different from the first embodiment, in the method for designing an ostomy bag auxiliary cutting device based on the 3D printing technology of the second embodiment, the step two of reconstructing the three-dimensional model of the artificial anus stoma and the surrounding skin specifically comprises: and based on CT scanning data, reconstructing a three-dimensional model of the artificial anus stoma and the surrounding skin by using medical reconstruction software Mimics software.
The operation process is as follows: 1. importing CT data into the mix 21 software in the dicom format;
2. performing data segmentation on CT data by using a Threshold command in an SEGMENT module in the Mimics21 software, and extracting Skin data by using Skin Tissue (CT, Adult) in the CT data;
3. and performing three-dimensional model reconstruction on the extracted data and outputting the data in the STL format.
The third concrete implementation mode:
different from the second specific embodiment, in the third step of the personalized ostomy bag design method based on the 3D printing technology, the three-dimensional model data after reconstruction is preprocessed by using the industrial design software geographic Wrap software.
1. Importing the reconstructed three-dimensional model data into Geomagic Wrap software, firstly, trimming the model data by using Trim commands in Polygons, and only keeping the stoma and surrounding data thereof;
2. using a Quicksmooth command to carry out fairing processing on the model data;
3. the constant wall thickness film structure design was performed along the stoma using the Offest command in the Polygons module.
The fourth concrete implementation mode:
different from the third specific embodiment, in the fourth step of the personalized customized ostomy bag design method based on the 3D printing technology, the process of designing the ostomy bag skin-attached silica gel base model according to the three-dimensional model data of the stoma is as follows:
the wrapping artificial anus film structure is an equal-wall-thickness film mechanism which is formed by offsetting an Offset command of industrial Design software Geomagic Wrap software on a model to a thickness of 1mm, the standardized elliptical silica gel bottom frame structure and the abdominal belt fixing structure are standardized elliptical column structures designed by using Geomagic Design direct software, and then the Geomagic Wrap software is used for mixing data of the two models to Design an integrated structure.
The fifth concrete implementation mode is as follows:
different from the fourth specific embodiment, in the method for designing the personalized customized ostomy bag based on the 3D printing technology according to the fourth embodiment, an adhesive layer is further disposed on one side of the standardized elliptical silica gel bottom frame structure, and is used for adhering to the skin at the edge of the ostomy.
The sixth specific implementation mode:
the personalized ostomy bag based on the 3D printing technology of the present embodiment, as shown in fig. 12, comprises a film structure 1 for wrapping the artificial anus and embodying the three-dimensional model shape of the stoma, a standardized elliptical silica gel bottom frame structure 2, a design of a abdominal belt fixing structure 3, and a transparent plastic ostomy bag; wherein the content of the first and second substances,
the film structure 1 is provided with a personalized stoma shape;
the standardized elliptical silica gel bottom frame structure 2 is a thin sheet with a hole in the middle;
the abdominal belt fixing structure 3 is a thin sheet with a hole in the middle, and the two sides of the abdominal belt fixing structure 3 are respectively provided with a slotted hole 4;
the periphery of the film structure 1 is fixed with the inner ring of the standardized elliptical silica gel bottom frame structure 2, and the film structure 1 is combined with the standardized elliptical silica gel bottom frame structure 2 to be designed into a film standard base integrated model;
the abdominal belt fixing structure 3 is assembled with the standardized elliptical silica gel bottom frame structure 2, and the assembly is realized through interference fit of a group of small holes on the surface of the abdominal belt fixing structure 3 and a group of cylinders on the surface of the standardized elliptical silica gel bottom frame structure 2;
transparent plastic ostomy bags are clamped between the standardized elliptical silica gel bottom frame structure 2 and the abdominal belt fixing structure 3.
The sixth specific implementation mode:
in the personalized ostomy bag based on the 3D printing technology, the integrated model of the film standard base is made of a silica gel material; the abdominal belt fixing structure 3 is made of photosensitive resin; two ends of the abdominal belt fixing structure 3 are provided with elastic belts with nylon sticking buckles; the transparent plastic ostomy bag is a PE plastic bag.
Example 1:
a design method of an auxiliary cutting device of an ostomy bag based on a 3D printing technology is realized by the following steps:
step one, acquiring CT scanning data of an artificial anus area of the abdomen of a patient;
secondly, reconstructing a three-dimensional model of the artificial anus stoma and the surrounding skin by using medical reconstruction software Mimics software based on CT scanning data; as shown in fig. 2;
thirdly, further preprocessing the reconstructed three-dimensional model data by using an industrial design software Geomagic Wrap software, comprising the following steps of: smoothing, removing noise and foreign value points, simplifying a model and the like;
drawing a contour curve of the stoma around a graph displayed on the model by using a 3D B-spline command, and storing the drawn contour curve in an iges format; as shown in fig. 3;
designing a stoma bag skin-attached silica gel base model according to the three-dimensional model data of the stoma, wherein the stoma bag skin-attached silica gel base model comprises a thin film structure 1 used for wrapping the artificial anus and reflecting the three-dimensional model shape of the stoma, a standardized elliptical silica gel bottom frame structure 2 (shown in figure 3) and an abdominal belt fixing structure 3 (shown in figure 4); the film structure 1 is provided with a personalized stoma shape, the film structure 1 is arranged on an inner ring of a standardized elliptical silica gel bottom frame structure 2, the film structure 1 is combined with the standardized elliptical silica gel bottom frame structure 2 to be designed into a film standard base integrated model, as shown in fig. 5, a belly belt fixing structure 3 and the standardized elliptical silica gel bottom frame structure are in an assembly relation, as shown in fig. 6, and the standardized elliptical silica gel bottom frame structure 2 and a transparent plastic ostomy bag are fixedly assembled and fixed together; the film standard base integrated model is made of silica gel materials, the abdominal belt fixing structure 3 is made of photosensitive resin, the abdominal belt fixing structure 3 is an elastic belt with nylon adhesive buckles, and the transparent plastic ostomy bag is a PE plastic bag;
designing a relevant silica gel filling mold based on the integrated model of the film standard base in the step four, and inputting a stl format data file of a fixing device of the abdominal belt fixing structure 3 into a 3D printer for printing;
thus, the design process of the personalized customized ostomy bag is completed; FIG. 7 is a diagram showing the design process of the assembled integrated model of the film standard base with the stoma shape and the abdominal belt fixing structure;
the photosensitive resin material is used as a mainstream material for 3D printing, the application degree of the photosensitive resin material tends to be mature, the processing precision and the surface smoothness of the photosensitive resin material can meet the requirements of design and application, and the processing efficiency is basically controlled within 1 day so as to ensure that a patient can be used in the shortest time. The material rigidity is better, is difficult for losing, also can not produce great deformation because of ambient temperature changes, and the material is light moreover, is convenient for accomodate, and the printing material uses imported medical grade photosensitive resin simultaneously, and sanitary safety has obtained the assurance.
Instructions for use:
1. cleaning stoma and surrounding skin:
washing the stoma and the skin around the stoma of the wearer with clear water to keep the skin in a dry state;
2. after the skin care powder is sprinkled around the stoma, waiting for about 2 minutes;
3. assembling the abdominal belt and the ostomy bag:
one end of the abdominal belt passes through a side square slotted hole of an abdominal belt fixing structure of the ostomy bag and is fixed by a reverse hasp;
4. preliminary wearing:
the abdominal belt is wound around the waist, meanwhile, the other end of the abdominal belt passes through a square notch on the other side of the abdominal belt fixing structure of the ostomy bag, and the nylon fastener is fixed together by the reverse hasp;
5. tearing off adhesive protection paper on a standardized elliptical silica gel bottom frame structure, sleeving a hole in the ostomy bag on a stoma of a wearer, and pressing the edge of a base plate of the ostomy bag with fingers to enable an adhesive base to be tightly adhered with surrounding skin;
6. the tightness of the abdominal belt is adjusted to be stably fixed on the waist and abdomen.
Claims (4)
1. A personalized customized ostomy bag design method based on a 3D printing technology is characterized in that: the method is realized by the following steps:
step one, acquiring CT scanning data of an artificial anus area of the abdomen of a patient;
secondly, reconstructing a three-dimensional model of the artificial anus stoma and the surrounding skin based on CT scanning data;
step three, preprocessing the reconstructed three-dimensional model data, comprising: smoothing, removing noise and foreign value points and simplifying a model;
drawing a contour curve of the stoma according to a graph presented by the preprocessed three-dimensional model, and storing the drawn contour curve in an iges format;
designing a skin-attached silica gel base model of the ostomy bag according to the three-dimensional model data of the stoma, wherein the skin-attached silica gel base model comprises a thin film structure used for wrapping the artificial anus and embodying the shape of the three-dimensional model of the stoma, a standardized elliptical silica gel bottom frame structure and a design of a abdominal belt fixing structure; the film structure is arranged on an inner ring of a standardized elliptical silica gel bottom frame structure, and the film structure is combined with the standardized elliptical silica gel bottom frame structure to be designed into a film standard base integrated model; the abdominal belt fixing structure and the standardized elliptical silica gel bottom frame structure are in an assembly relation, and the standardized elliptical silica gel bottom frame structure and the transparent plastic ostomy bag are fixedly assembled and fixed together; the integrated model of the film standard base is made of silica gel material, the abdominal belt fixing structure is made of photosensitive resin, the abdominal belt fixing structure is an elastic belt with nylon sticking buckles, and the transparent plastic ostomy bag is a PE plastic bag;
designing a relevant silica gel filling mold based on the integrated model of the film standard base in the step four, and inputting a stl format data file of a fixing device of the abdominal belt fixing structure into a 3D printer for printing;
thus, the design process of the personalized customized ostomy bag is completed;
in the second step, the process of reconstructing the three-dimensional model of the artificial anus stoma and the surrounding skin specifically comprises the following steps: based on CT scanning data, medical reconstruction software Mimics software is used for reconstructing a three-dimensional model of the artificial anus stoma and the surrounding skin;
the operation process is as follows:
1. importing the CT data into the mix 21 software in the dicom format;
2. performing data segmentation on CT data by using a Threshold command in an SEGMENT module in the Mimics21 software, and extracting Skin data by using Skin Tissue (CT, Adult) in the CT data;
3. carrying out three-dimensional model reconstruction on the extracted data and outputting the data in an STL format;
in the third step, the reconstructed three-dimensional model data is preprocessed by using Geomagic Wrap software of industrial design software;
the operation process is as follows:
1. importing the reconstructed three-dimensional model data into Geomagic Wrap software, firstly, trimming the model data by using Trim commands in Polygons, and only keeping the stoma and surrounding data thereof;
2. using a Quicksmooth command to smooth the model data;
3. designing a constant-wall-thickness film structure along the stoma by using Offest commands in a Polygons module;
in the fourth step, the process of designing the ostomy bag skin-adhering silica gel base model according to the three-dimensional model data of the stoma is as follows:
the wrapping artificial anus film structure is an equal-wall-thickness film mechanism which is formed by offsetting an Offset command of industrial Design software Geomagic Wrap software on a model to a thickness of 1mm, the standardized elliptical silica gel bottom frame structure and the abdominal belt fixing structure are standardized elliptical column structures designed by using Geomagic Design direct software, and then the Geomagic Wrap software is used for mixing data of the two models to Design an integrated structure.
2. The method for designing a personalized and customized ostomy bag based on 3D printing technology according to claim 1, wherein: and an adhesive bonding layer is also arranged on one side surface of the standardized elliptical silica gel bottom frame structure.
3. A personalized ostomy bag based on 3D printing technology designed using the method of claim 1 or 2, characterized in that: the structure comprises a thin film structure used for wrapping an artificial anus and reflecting the three-dimensional model shape of a stoma, a standardized elliptical silica gel bottom frame structure, a design of an abdominal belt fixing structure and a transparent plastic ostomy bag; wherein, the first and the second end of the pipe are connected with each other,
the film structure is provided with a personalized stoma shape;
the standardized elliptical silica gel bottom frame structure is a thin sheet with a hole in the middle;
the abdominal belt fixing structure is a thin sheet with a hole in the middle, and both sides of the abdominal belt fixing structure are respectively provided with a slotted hole;
the periphery of the film structure is fixed with the inner ring of the standardized elliptical silica gel bottom frame structure, and the film structure is combined with the standardized elliptical silica gel bottom frame structure to be designed into a film standard base integrated model;
the abdominal belt fixing structure is assembled with the standardized elliptical silica gel bottom frame structure, and the assembly is realized through interference fit of a group of small holes on the surface of the abdominal belt fixing structure and a group of cylinders on the surface of the standardized elliptical silica gel bottom frame structure;
transparent plastic ostomy bags are clamped between the standardized elliptical silica gel bottom frame structure and the abdominal belt fixing structure.
4. The personalized ostomy bag based on 3D printing technology as claimed in claim 3, wherein: the integrated model of the film standard base is made of a silica gel material; the abdominal belt fixing structure is made of photosensitive resin; the two ends of the abdominal belt fixing structure are provided with elastic belts with nylon sticking buckles; the transparent plastic ostomy bag is a PE plastic bag.
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| CN110640950B (en) * | 2019-09-24 | 2021-07-27 | 中国人民解放军东部战区总医院 | Method for manufacturing individualized intestinal fistula stent and applicable die thereof |
| NL2029266B1 (en) * | 2021-09-28 | 2023-04-04 | Nieling Jolanda | Method for manufacturing a tailor-made stoma plate |
| WO2023078346A1 (en) * | 2021-11-04 | 2023-05-11 | Elkem Silicones Shanghai Co., Ltd. | An ostomy care device and a production method thereof |
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| US20140236335A1 (en) * | 2013-02-15 | 2014-08-21 | Frank Allen Lewis | 3D Scanning, Modeling and Printing for the Creation of Custom-Fitted Ostomy Devices |
| AU2014312343B2 (en) * | 2013-08-30 | 2019-04-18 | Bruce Goldsmith | Systems and assemblies for ostomy appliances |
| KR101937997B1 (en) * | 2017-12-04 | 2019-01-11 | 한림대학교 산학협력단 | User terminal, system and operation method for customizing stomy plate using 3d printer |
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