CN113797004A - Individualized nose orthopedic device based on additive manufacturing technique - Google Patents

Individualized nose orthopedic device based on additive manufacturing technique Download PDF

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Publication number
CN113797004A
CN113797004A CN202111229120.5A CN202111229120A CN113797004A CN 113797004 A CN113797004 A CN 113797004A CN 202111229120 A CN202111229120 A CN 202111229120A CN 113797004 A CN113797004 A CN 113797004A
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CN
China
Prior art keywords
nasal
nose
additive manufacturing
patient
manufacturing technology
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Pending
Application number
CN202111229120.5A
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Chinese (zh)
Inventor
吴昊
吴忆来
刘婷
王旭东
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Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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Application filed by Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine filed Critical Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority to CN202111229120.5A priority Critical patent/CN113797004A/en
Publication of CN113797004A publication Critical patent/CN113797004A/en
Pending legal-status Critical Current

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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
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
    • 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
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
    • A61B2034/101—Computer-aided simulation of surgical operations
    • A61B2034/105—Modelling of the patient, e.g. for ligaments or bones

Abstract

The invention discloses a personalized nose orthopedic device based on an additive manufacturing technology, which comprises a nose mould body and a retention device. The nasal model body is designed in three dimensions according to nasal cavity parameters of a patient, is manufactured by an additive manufacturing technology and a derivative technology based on the additive manufacturing technology, is embedded into the nasal cavity of the patient, and is fixed by the interaction force of the retention device and the soft tissue of the nasal wing. The invention has the beneficial effects that: the nasal cavity fixing device can be stably fixed in the nasal cavity of a patient, the treatment effect after the nasal deformity reduction is effectively improved, meanwhile, the nasal cavity fixing device is different from a finished nasal orthopedic device, the individualized requirements of the patient are fully considered, the aesthetic appeal of the patient is effectively met, and the higher satisfaction degree of the patient can be obtained.

Description

Individualized nose orthopedic device based on additive manufacturing technique
Technical Field
The invention relates to the technical field of nasal deformity reduction, in particular to a personalized nasal orthopedic device based on an additive manufacturing technology.
Background
The nose-hump is in the center of the face, is an important component of human appearance, and has important identification and aesthetic effects. Nasal deformity, a common nasal disorder, can be caused by various factors, including congenital nasal deformity, traumatic nasal deformity, secondary deformity of cleft lip and palate, and the like. Currently, surgical reduction is mainly adopted for nasal deformity, and a nasal orthopedic device is worn after the operation. The nasal dilator has supporting function and directionality, can enable the nostrils to grow in the direction close to the normal anatomical characteristics, provides a long-term, stable and continuous supporting function, can partially correct symptoms of nasal cavity ventilation reduction caused by nasal scar contracture and nasal deformity caused by operations, consolidates the operation effect to the maximum extent, and finally obtains a more satisfactory treatment effect.
Currently, the nasal casts in common clinical use are standardized structures, have various sizes, are initially determined by trial wear, and are gradually replaced. However, such standardized structure may be difficult to wear or have poor orthopedic effect for some special patients. In recent years, with the development of digital medicine, three-dimensional design and additive manufacturing are widely used in the medical field and play an important role. Through the technology, the personalized nose orthopedic device can be designed according to the personalized characteristics of the patient, so that better wearing experience and treatment effect can be obtained.
Disclosure of Invention
In view of the problems in the related art, the present invention provides a personalized nasal orthotic device based on additive manufacturing technology to overcome the above technical problems in the related art.
The technical scheme of the invention is realized as follows:
an individualized nasal orthotic device based on additive manufacturing technology comprises a nasal mold body and a retention device. The nasal model body is designed in three dimensions according to nasal cavity parameters of a patient, is manufactured by an additive manufacturing technology and a derivative technology based on the additive manufacturing technology, is embedded into the nasal cavity of the patient, and is fixed by the interaction force of the retention device and the soft tissue of the nasal wing.
Through the scheme, the invention can obtain the following technical effects:
the personalized nose orthopedic device based on the additive manufacturing technology comprises an inner nose mould body, a retention device, a connector, an imaging parameter device and an additive manufacturing technology, wherein the nose mould body and the retention device are designed according to the face of a patient and the imaging parameter device and are obtained through the additive manufacturing technology, the nose mould body is provided with a vent hole and can be connected through the connector, and the nose mould body is independently and fixedly arranged in a nasal cavity through the retention device.
The personalized nose orthopedic device is supported in the nasal cavity through the nose mould body, meanwhile, the retention effect is enhanced through the interaction force of the retention device and soft tissues around the nasal cavity, and the shapes of the columella nasi and the fornix nasi are orthopedic, so that the nasal deformity recovery effect is improved.
Preferably, the nasal orthotic device is provided with a vent to avoid affecting the patient's gas exchange.
Preferably, the orthopedic devices of both nostrils are linked by connecting bodies, and the connecting bodies are fixedly connected with the retention device.
Preferably, if the patient only requires a reduction of one side of the nasal profile, it is contemplated that a single nasal orthotic device may be prepared for use.
Preferably, the nasal orthotic device may be retained by external means, such as perforation followed by penetration of an anti-detachment thread, or use of adhesive tape to enhance retention, etc.
Preferably, a plurality of nasal orthotic devices can be prepared and worn sequentially to gradually improve the appearance of the nose of the patient, and a pair of nasal molds can be prepared to improve the appearance of the nose of the patient according to the nasal deformity degree of the patient.
Preferably, the imaging parameter equipment comprises CT data equipment, facial photogrammetry data equipment and three-dimensional imaging parameter equipment of the nasal cavity, and the retention device is used for fixing the nasal model body through interaction with soft tissues of the nasal wing.
The design of the personalized nose shape correcting device is realized by analyzing the three-dimensional data of the face of a patient, and the shape of the nose at the healthy side is mirrored to the affected side, so that the preparation parameters of the nose shape correcting device at the affected side are obtained, and the nose shape correcting device is obtained by an additive manufacturing technology.
Preferably, the parameters of the nasal orthotic device can be adjusted according to the aesthetic sense of the patient, so that the individual requirements of the patient can be met.
Preferably, if the patient has a bilateral nasal abnormality, the shape of the orthopedic device is designed by considering the normal nasal shape and the aesthetic sense of the patient.
Preferably, after the data of the nasal orthopedic device are obtained on the basis of the CT soft tissue data, the data can be verified and predicted in a three-dimensional face model constructed by photographing and scanning, and the final preparation parameters are determined together with the patient.
Preferably, the additive manufacturing technology comprises the steps of manufacturing a mold by the additive manufacturing technology and indirectly manufacturing a nose mould body, and the materials used for the nose mould body and the retention device comprise a silicone material, polyetheretherketone and a resin material.
The personalized nose orthopedic device is prepared by an additive manufacturing technology and a related technology based on additive manufacturing, can use various materials, including resin materials, polyether ether ketone materials, silica gel materials and the like, and can meet the personalized requirements of patients, the materials used by the nose mould body, including but not limited to silica gel materials, polyether ether ketone (PEEK) and resin materials, can be theoretically used for preparing the nose mould body by the materials of the related technology of additive manufacturing, and the specific selection of the materials is determined by clinicians and engineers according to the illness state and the requirements of the patients.
Preferably, the shape of the nose mould body is not limited to a regular shape, an irregular shape can be prepared according to the internal structure of the nasal cavity, the contact with the nasal cavity is wider, and the better supporting and retaining effects are achieved.
Preferably, in addition to directly preparing the nasal orthotic device by using an additive manufacturing technology, the nasal orthotic device can be obtained by preparing a template through additive manufacturing and by using a die-turning method, so that the application range of the technology is effectively expanded, and materials which are inconvenient to use in additive manufacturing can be also incorporated into the design and preparation technology system.
Preferably, the nasal orthopedic device is prepared by using a silica gel material through a turnover mold method, so that the nasal orthopedic device can give a patient a good wearing experience and has good safety.
The invention has the beneficial effects that:
according to the personalized nose shape righting device and the design and preparation method thereof, the specific preparation parameters are obtained by analyzing the three-dimensional image data of the face of the patient and combining the aesthetic sense of the patient, and the personalized nose shape righting device is directly or indirectly prepared by an additive manufacturing technology. Can be comparatively firm be fixed in the patient nasal cavity, effectively improve the treatment effect after the nasal deformity reduction, simultaneously, be different from finished product nasal orthopedic device, the device fully considers patient's individualized demand, has effectively satisfied the patient to the appeal of aesthetic, can obtain higher patient satisfaction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of a nasal orthotic device that is a personalized nasal orthotic device based on additive manufacturing techniques.
Fig. 2 is a schematic top view of a nasal orthotic device based on additive manufacturing techniques for a personalized nasal orthotic device.
Fig. 3 is a schematic side view of a nasal orthotic device based on additive manufacturing techniques for a personalized nasal orthotic device.
Fig. 4 is a schematic view of a nasal orthotic connector of a personalized nasal orthotic based on additive manufacturing techniques.
In the figure:
the nasal mold comprises a nasal mold body 1, a retention device 2, a connecting body 3 and a vent hole 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The invention is further described with reference to the following drawings and detailed description:
example 1
As shown in fig. 1 to 4, the present embodiment provides a personalized nasal orthotic device, which is composed of a nasal model body 1, a retention device 2 and a connecting body 3. Wherein the nasal model body 1 has the supporting function in the nasal cavity, and the retention device 2 and the connecting body 3 strengthen the retention of the nasal model, thereby improving the nasal deformity recovery effect.
Firstly, reconstructing a three-dimensional model of soft tissues of the face of a patient through CT data of the jaw face of the patient, further mirroring the appearance of a healthy nose to an affected side through a mirroring function, and performing fitting prediction on the three-dimensional face model. Communicate with the patient and confirm to obtain ideal nose appearance data, design the orthopedic device of nose according to the data, use the vibration material disk technique, print the template for the rollover, require to wrap up the orthopedic device of nose completely, reserve the filling hole, and make things convenient for later stage silica gel material to inject. The printing material of the template is photosensitive resin, and the template is manufactured by two-section splicing design and three-dimensional printing. And then, injecting the silica gel into the template, taking out the silica gel after 6 hours, and performing polishing and disinfection treatment to finally finish the manufacture, wherein the nose mold body 1 is 2-4mm in thickness and 8-15mm in length. The silica gel material has good biological safety, soft texture and better wearing experience for patients. The prepared nose orthopedic device is used for supporting the nasal cavity of a postoperative patient, the appearance of the nose is maintained, the nose orthopedic device is worn for 6-12 months, and the restitution effect is improved.
Example 2
As shown in fig. 1, the present embodiment provides a personalized nasal orthotic device comprising a nasal splint body 1 and a retention device 2. Wherein the nasal model body 1 has the supporting function in the nasal cavity, and the retention device 2 strengthens the retention of the nasal model, thereby improving the nasal deformity recovery effect.
Firstly, reconstructing a three-dimensional model of soft tissues of the face of a patient through CT data of the jaw face of the patient, further mirroring the appearance of a healthy nose to an affected side through a mirroring function, and performing fitting prediction on the three-dimensional face model. Communicating with a patient for confirmation to obtain ideal nasal shape data, designing the nasal orthopedic device according to the data, printing polyether-ether-ketone to manufacture the nasal orthopedic device by using an additive manufacturing technology, wherein the thickness is 3mm, the length is 10mm, and polishing and disinfecting treatment are carried out to finally finish the manufacture. The polyether-ether-ketone has good biocompatibility and certain toughness and elasticity, and can be used for the production of medical instruments. The prepared nose orthopedic device is used for supporting the nasal cavity of a postoperative patient, the appearance of the nose is maintained, the nose orthopedic device is worn for 6-12 months, and the restitution effect is improved.
Example 3
As shown in fig. 1 to 3, the present embodiment provides a personalized nasal orthotic device, which includes a nasal mold body 1, a retention device 2 and a connecting body 3. Wherein the nasal model body 1 has the supporting function in the nasal cavity, and the retention device 2 and the connecting body 3 strengthen the retention of the nasal model, thereby improving the nasal deformity recovery effect.
Firstly, reconstructing a three-dimensional model of soft tissues of the face of a patient through CT data of the jaw face of the patient, further mirroring the appearance of a healthy nose to an affected side through a mirroring function, and performing fitting prediction on the three-dimensional face model. Communicating with a patient for confirmation to obtain ideal nasal shape data, designing the nasal correction device according to the data, printing a resin material to manufacture the nasal correction device by using an additive manufacturing technology, wherein the thickness is 4mm, the length is 12mm, and polishing and disinfecting the device to finally finish the manufacture. The resin material has good biocompatibility and certain toughness and elasticity. The prepared nose orthopedic device is used for supporting the nasal cavity of a postoperative patient, the appearance of the nose is maintained, the nose orthopedic device is worn for 6-12 months, and the restitution effect is improved.
Example 4
As shown in fig. 1-3, the present embodiment provides a personalized nasal orthotic device, which comprises a nasal model body 1 and a retention device 2. Wherein the nasal model body 1 has the supporting function in the nasal cavity, and the retention device 2 strengthens the retention of the nasal model, thereby improving the nasal deformity recovery effect.
Firstly, reconstructing a three-dimensional model of soft tissues of the face of a patient through CT data of the jaw face of the patient, and obtaining manufacturing parameters by combining correction based on nasal deformity parameters. Communicate with the patient and confirm to obtain ideal nose appearance data, design the orthopedic device of nose according to the data, use the vibration material disk technique, print the template for the rollover, require to wrap up the orthopedic device of nose completely, reserve the filling hole, and make things convenient for later stage silica gel material to inject. The printing material of the template is photosensitive resin, and the template is manufactured by two-section splicing design and three-dimensional printing. And then, injecting the silica gel into the template, taking out the silica gel after 6 hours, and performing polishing and disinfection treatment to finally finish the manufacture, wherein the thickness of the nose mould body 1 is 3mm, and the length of the nose mould body is 9 mm. The silica gel material has good biological safety, soft texture and better wearing experience for patients. The prepared nose orthopedic device is used for supporting the nasal cavity of a postoperative patient, the appearance of the nose is maintained, the nose orthopedic device is worn for 6-12 months, and the restitution effect is improved.
Example 5
The embodiment provides a personalized unilateral nasal orthopedic device, which comprises a nasal model body 1 and a retention device 2. Wherein the nasal model body 1 has the supporting function in the nasal cavity, and the retention device 2 strengthens the retention of the nasal model, thereby improving the nasal deformity recovery effect.
Firstly, reconstructing a three-dimensional model of soft tissues of the face of a patient through CT data of the jaw face of the patient, and obtaining manufacturing parameters of the unilateral nasal orthopedic device by combining correction based on nasal deformity parameters. Communicate with the patient and confirm to obtain ideal nose appearance data, design unilateral nose orthopedic device according to the data, use the additive manufacturing technology, print the template for the rollover, require to wrap up nose orthopedic device completely, reserve the filling hole, and make things convenient for later stage silica gel material to inject into. The printing material of the template is photosensitive resin, and the template is manufactured by two-section splicing design and three-dimensional printing. And then, injecting the silica gel into the template, taking out the silica gel after 6 hours, and performing polishing and disinfection treatment to finally finish the manufacture, wherein the thickness of the nose mould body 1 is 3mm, and the length of the nose mould body is 9 mm. The silica gel material has good biological safety, soft texture and better wearing experience for patients. The prepared nose orthopedic device is used for supporting the nasal cavity of a postoperative patient, the appearance of the nose is maintained, the nose orthopedic device is worn for 6-12 months, and the restitution effect is improved.
Example 6
As shown in fig. 1 to 4, the present embodiment provides a personalized nasal orthotic device, which is composed of a nasal model body 1, a retention device 2 and a connecting body 3. Wherein the nasal model body 1 has the supporting function in the nasal cavity, and the retention device 2 and the connecting body 3 strengthen the retention of the nasal model, thereby improving the nasal deformity recovery effect.
Firstly, reconstructing a three-dimensional model of soft tissues of the face of a patient through CT data of the jaw face of the patient, further mirroring the appearance of a healthy nose to an affected side through a mirroring function, and performing fitting prediction on the three-dimensional face model. Communicate with the patient and confirm to obtain ideal nose appearance data, design the orthopedic device of nose according to the data, use the vibration material disk technique, print the template for the rollover, require to wrap up the orthopedic device of nose completely, reserve the filling hole, and make things convenient for later stage silica gel material to inject. The printing material of the template is photosensitive resin, and the template is manufactured by two-section splicing design and three-dimensional printing. And then, injecting the silica gel into the template, taking out the silica gel after 6 hours, and performing polishing and disinfection treatment to finally finish the manufacture, wherein the nose mold body 1 is 3mm in thickness and 10mm in length. The silica gel material has good biological safety, soft texture and better wearing experience for patients. The prepared nasal correction device is used for supporting the nasal cavity of a postoperative patient, the appearance of the nasal part is maintained, after the nasal correction device is worn for 2 months, data are acquired again to design and prepare the nasal correction device, the wearing time of the new nasal correction device is also 2 months, and the total wearing time of the nasal correction device is 6-12 months, so that the recovery effect is improved;
(1) and the nose mould body 1 plays a role in supporting the nasal cavity.
(2) And a retention device 2 interacting with the nostril and soft tissue of the nasal cavity to enhance retention.
(3) A connecting body 3 of the two nose orthopedic devices.
(4) And a vent hole 4.
While the foregoing shows and describes the fundamental principles and principal features of the invention, together with the advantages thereof, the foregoing embodiments and description are illustrative only of the principles of the invention, and various changes and modifications can be made therein without departing from the spirit and scope of the invention, which will fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The personalized nose orthopedic device based on the additive manufacturing technology is characterized by comprising an inner nose mold body (1), a retention device (2), a connecting body (3), an imaging parameter device and an additive manufacturing technology, wherein the nose mold body and the retention device are designed according to the face of a patient and the imaging parameter device and are obtained through the additive manufacturing technology, the nose mold body is provided with vent holes (4), the nose mold body can be connected through the connecting body (3), and the nose mold body (1) is independently retained in a nasal cavity through the retention device (2).
2. The additive manufacturing technology-based personalized nasal orthotic device according to claim 1, wherein the imagery parameter means comprises CT data means, facial photogrammetry data means, and three-dimensional imagery parameter means of the nasal cavity.
3. Personalized nasal orthotic device based on additive manufacturing technology, according to claim 1, characterised in that the retention means (2) secures the nasal cast body (1) by interacting with the soft tissue of the alar part of the nose.
4. The additive manufacturing technology-based personalized nasal orthotic device according to claim 1, wherein the additive manufacturing technology comprises additive manufacturing technology preparation molds and indirect preparation of nasal mold bodies.
CN202111229120.5A 2021-10-21 2021-10-21 Individualized nose orthopedic device based on additive manufacturing technique Pending CN113797004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111229120.5A CN113797004A (en) 2021-10-21 2021-10-21 Individualized nose orthopedic device based on additive manufacturing technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111229120.5A CN113797004A (en) 2021-10-21 2021-10-21 Individualized nose orthopedic device based on additive manufacturing technique

Publications (1)

Publication Number Publication Date
CN113797004A true CN113797004A (en) 2021-12-17

Family

ID=78937854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111229120.5A Pending CN113797004A (en) 2021-10-21 2021-10-21 Individualized nose orthopedic device based on additive manufacturing technique

Country Status (1)

Country Link
CN (1) CN113797004A (en)

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