WO2021094624A1 - Orthopädisches implantat - Google Patents
Orthopädisches implantat Download PDFInfo
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- WO2021094624A1 WO2021094624A1 PCT/EP2020/082305 EP2020082305W WO2021094624A1 WO 2021094624 A1 WO2021094624 A1 WO 2021094624A1 EP 2020082305 W EP2020082305 W EP 2020082305W WO 2021094624 A1 WO2021094624 A1 WO 2021094624A1
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- WIPO (PCT)
- Prior art keywords
- section
- implant
- orthopedic implant
- printing
- orthopedic
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Classifications
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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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
- B33Y80/00—Products made by additive manufacturing
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
- A61F2/446—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30014—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in elasticity, stiffness or compressibility
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/30065—Properties of materials and coating materials thermoplastic, i.e. softening or fusing when heated, and hardening and becoming rigid again when cooled
-
- 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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30677—Means for introducing or releasing pharmaceutical products, e.g. antibiotics, into the body
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30948—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using computerized tomography, i.e. CT scans
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30971—Laminates, i.e. layered products
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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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
Definitions
- the present invention relates to an orthopedic implant, the implant being a 3D printed part.
- Orthopedic implants that are created using 3D printing are already known from the prior art.
- DE 102006029298 A1 discloses a material system for 3D printing.
- the possibility is created to produce implants by so-called additive manufacturing.
- EP 3 172 037 A1 relates to a method for producing a component of at least one generative production process, the component being produced entirely or partially from liquid raw material.
- the possibility of producing implants is created by means of 3D printing.
- a so-called gingiva former is also known from DE 10 2014 105 884 A1, with the implant being adapted to the actual conditions in the body by means of 3D printing and additive manufacturing.
- an orthopedic implant with the features of claim 1.
- an orthopedic implant is provided, the implant being a 3D printed part and the implant having at least a first section and at least a second section, wherein the first section forms a support structure and the second section consists at least partially of biodegradable material.
- the invention is based on the basic idea that a first, for example outer, section is provided for the structure of a bone, which provides a certain rigidity and mechanical strength for the implant, whereas a second, for example inner, section is intended to enable improved ingrowth. It is conceivable that the first section at least partially encompasses or encompasses the inner section.
- the second section it is desirable for the second section to remain appropriately accessible so that tissue can grow into the inner section.
- the complete production by means of 3D printing of the implant enables very cost-effective production.
- the implant is printed on the basis of patient data such as computed tomography image data or comparable data sets that were obtained by means of imaging methods (such as magnetic resonance tomography, X-rays, fluoroscopy, etc.).
- the 3D printer has an interface via which the image data are imported.
- the 3D printer can be set up to translate the image data into print data semi-automatically or automatically and then start the printing process accordingly (automatically).
- the first, for example outer, section consists at least partially of polyetheretherketone (PEEK).
- PEEK is a high-strength plastic (compared to other plastics) and at the same time a high-temperature-resistant thermoplastic, which, in addition to biocompatible properties, can also provide the necessary strength for bone implants or bone replacement implants.
- PEEK polyether ketone ketone
- PPSU polyphenylene sulfone
- PAEK polyaryl ether ketone
- PEI polyethyleneimine or polyetherimide
- PAI polyamideimide
- the second, for example inner, section consists at least partially of a biodegradable material, the biodegradable material being one of the following materials or material combinations: polydioxanone (PDS or PPDX or PPDO), polyactide (PLA), poly ( lactide-co-glycolide) (PLGA), mixture of polyactide (PLA) and poly (lactide-co-glycolide) (PLGA).
- PDS or PPDX or PPDO polydioxanone
- PLA polyactide
- PLA poly ( lactide-co-glycolide)
- PLA lactide-co-glycolide
- PLA lactide-co-glycolide
- PLA lactide-co-glycolide
- Poly-p-dioxanone (poly-1, 4-dioxan-2-one) - often abbreviated as PDS, PPDX or PPDO - is a poly (ether-ester), which is essentially an alternating copolymer of ethylene glycol and glycolic acid and through ring-opening Polymerization from 1,4-dioxan-2-one results.
- PDS poly-1, 4-dioxan-2-one
- Poly-1,4-dioxan-2-one was marketed under the name PDSTM (polydioxanon sutures) in the form of monofilaments as the first absorbable, i.e. H. biodegradable surgical sutures introduced in 1981.
- PDSTM polydioxanon sutures
- Polylactides also known colloquially as polylactic acids (PLA for short, from the English word polylactic acid), are synthetic polymers that belong to the group of polyesters. They are made up of many lactic acid molecules that are chemically bound to one another.
- Poly (lactide-co-glycolide) (PLGA) is a copolymer of the monomers lactide and glycolide, which can be used in different proportions.
- a polyester is formed from D, L-lactic acid and glycolic acid, which the human body can easily break down.
- PLGA is used as a surgical suture material (Vicryl).
- biodegradable material is also mixed with fillers.
- biocompatible materials can be used as fillers, for example ceramics such as hydroxyapatite.
- pharmacologically active substances are introduced into the implant. It is conceivable that these substances are particularly incorporated in the biodegradable material. This allows the process of the The ingrowth of the implant is improved and supported.
- growth factors, anti-inflammatory drugs, pain relievers or the like could be used as medicaments, that is to say as pharmacologically active substances.
- the orthopedic implant is at least partially porous with its first section and / or with its second section. This facilitates and enables an improved ingrowth of the implant at the implantation site.
- the implant is a so-called 2-component cage, in particular a 2-component spinal column cage.
- the present invention also relates to a method for producing an orthopedic implant.
- a first section of the implant is generated by means of 3D printing, in particular by means of the FLM method, the first section forming a support structure of the implant;
- a second section is generated by means of 3D printing, in particular by means of the FLM method, the second section consisting at least partially of biodegradable material.
- the inventive idea of the method is to produce all components of the implant with a 3D printing process.
- the 3D printing process is a so-called FLM process, i.e. a fused layer modeling process.
- Fused Layer Modeling (FLM) / Fused Deposition Modeling is an additive process in which a supplied plastic wire (filament) is melted in a nozzle head. With the emerging thin melt strand, the contour and filling of the desired geometry are then built up in layers. By using a removable support material in the area of overhangs are included Complex geometries with cavities, internal structures and large changes in wall thickness are also possible.
- the production in particular the exclusive and complete production using the 3D printing process, enables a very cost-effective production of the implant.
- the implant will be printed by the 3D printer on the basis of patient data such as computed tomography image data or comparable data sets that were obtained by means of imaging processes (such as magnetic resonance tomography, X-rays, fluoroscopy, etc.).
- patient data such as computed tomography image data or comparable data sets that were obtained by means of imaging processes (such as magnetic resonance tomography, X-rays, fluoroscopy, etc.).
- the image data are imported into the 3D printer via an interface.
- the 3D printer then translates the image data into print data. This can be done semi-automatically or automatically by the 3D printer.
- the printing process can then be started accordingly (automatically).
- the 3D printer can be a printer designed as in WO2019 / 068581A1. Printing in one printing process makes it possible to avoid contamination and to print and produce (almost) under clean room conditions or, if the printing is in the appropriate environment, under clean room conditions or clean room conditions.
- first section and the second section are joined together by means of 3D printing.
- the components By assembling the components of the implant by means of 3D printing, it can be ensured that the components (where desired and necessary) are seamlessly and / or even without further joining means such as adhesives, the implant is assembled and manufactured as a whole.
- the dimensional accuracy and accuracy can be positively influenced because the section printed first is after its production can be kept at temperature and then the two sections can cool down together.
- the second section is or will be printed on or in the first section.
- first section and the second section are printed separately and are not joined together by means of a printing process.
- the orthopedic implant is an orthopedic implant, as it is described above or in the following exemplary embodiments.
- FIG. 1 shows a schematic view of a cross-sectional drawing through a first
- FIG. 2 shows a further exemplary embodiment of an orthopedic implant according to the invention
- FIG. 3 shows a further exemplary embodiment of an orthopedic implant according to the invention.
- FIG. 4 shows a further exemplary embodiment of an orthopedic implant according to the invention.
- FIG. 1 shows an exemplary embodiment of an orthopedic implant 10 according to the invention.
- the orthopedic implant 10 is a 3D printed part here.
- the implant 10 has a first outer section 12 and a second inner section 14.
- the first outer section 12 is designed as a support structure in the form of a hollow bone-like element.
- the second inner section 14 completely fills the cavity and consists entirely of biodegradable material.
- the first outer section 12 consists entirely of PEEK.
- the second inner section 14 here consists of a biodegradable material, namely polydioxanone (PDS).
- PDS polydioxanone
- PLA PLA, PLGA or a mixture of PLA or PLGA is used.
- PLA PLA, PLGA or a mixture of PLA or PLGA is used.
- any other absorbable and printable plastic any other absorbable and printable plastic.
- the inner section 14 is porous.
- the implant 10 is a so-called 2-component cage.
- Fig. 2 shows a further embodiment of the present invention.
- the exemplary embodiment according to FIG. 2 also relates to an orthopedic implant 110.
- the orthopedic implant 110 has all the structural and functional features like the implant 10 according to FIG. 1.
- the orthopedic implant 110 is basically structurally identical here, but has a completely round cross section. Such a configuration is particularly useful in connection with implant pieces for the replacement of long bones or the like.
- 3 shows a further exemplary embodiment of an orthopedic implant according to the present invention.
- the orthopedic implant 210 is also constructed identically to the orthopedic implant 10 according to FIG. 1, but with the following differences.
- first section 212 is arranged in the interior of the implant 210.
- the second section 214 is arranged in such a way that it completely encloses the inner first section 212 on the outside.
- the cross-section is circular or almost circular.
- FIG. 4 shows a further exemplary embodiment of an orthopedic implant 310 according to the invention.
- the orthopedic implant 310 here also has all the features as the orthopedic implant 10. Identical or comparable features are denoted by the same reference number, but increased by the value 300.
- the first section 312 has a plurality of cavities in which a plurality of second sections 314 are provided.
- the first section 312 is oval in shape.
- the implant 10, 110, 210, 310 can be printed out or manufactured in 3D printing on the basis of patient data, as described above.
- a first filament for example a PEEK filament
- a filament of a biodegradable material is also used for the second section.
- the use of any biodegradable materials is conceivable, in particular PDS, PLA, PLGA or mixtures thereof.
- an orthopedic implant which can be an implant 10, 110, 210, 310 as described above, can be described as follows:
- a first section of the implant 10, 110, 210, 310 is generated by means of 3D printing.
- the first section 12, 112, 212, 312 forms the or a carrier structure of the implant 10, 110, 210, 310.
- a second section 14, 114, 214, 314 is then generated by means of 3D printing.
- the second section 14, 114, 214, 314 consists at least partially of biodegradable material.
- first section (12, 112, 212, 312 and the second section 14, 114, 214, 314 are joined together by means of 3D printing.
- the second section 14, 114, 214, 314 is printed onto the first section 12, 112, 212, 312.
- first section 12, 112, 212, 312 and the second section 14, 114, 214, 314 are printed separately and are not joined by means of a printing process.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Manufacturing & Machinery (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Neurology (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/755,953 US20220387180A1 (en) | 2019-11-15 | 2020-11-16 | Orthopedic implant |
AU2020382932A AU2020382932A1 (en) | 2019-11-15 | 2020-11-16 | Orthopedic implant |
JP2022528197A JP2023501704A (ja) | 2019-11-15 | 2020-11-16 | 整形外科用インプラント |
EP20808331.1A EP4058264A1 (de) | 2019-11-15 | 2020-11-16 | Orthopädisches implantat |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202019106375.0 | 2019-11-15 | ||
DE202019106375.0U DE202019106375U1 (de) | 2019-11-15 | 2019-11-15 | Orthopädisches Implantat |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021094624A1 true WO2021094624A1 (de) | 2021-05-20 |
Family
ID=68886634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2020/082305 WO2021094624A1 (de) | 2019-11-15 | 2020-11-16 | Orthopädisches implantat |
Country Status (6)
Country | Link |
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US (1) | US20220387180A1 (de) |
EP (1) | EP4058264A1 (de) |
JP (1) | JP2023501704A (de) |
AU (1) | AU2020382932A1 (de) |
DE (1) | DE202019106375U1 (de) |
WO (1) | WO2021094624A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4353169A1 (de) | 2022-10-12 | 2024-04-17 | Kumovis GmbH | 3d-gedrucktes halbzeug zur herstellung von medizinprodukten und medizinprodukte daraus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021115109A1 (de) | 2021-06-11 | 2022-12-15 | Aesculap Ag | Implantatschaft und Gelenkimplantat |
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2019
- 2019-11-15 DE DE202019106375.0U patent/DE202019106375U1/de active Active
-
2020
- 2020-11-16 WO PCT/EP2020/082305 patent/WO2021094624A1/de unknown
- 2020-11-16 US US17/755,953 patent/US20220387180A1/en active Pending
- 2020-11-16 AU AU2020382932A patent/AU2020382932A1/en active Pending
- 2020-11-16 EP EP20808331.1A patent/EP4058264A1/de active Pending
- 2020-11-16 JP JP2022528197A patent/JP2023501704A/ja active Pending
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EP4353169A1 (de) | 2022-10-12 | 2024-04-17 | Kumovis GmbH | 3d-gedrucktes halbzeug zur herstellung von medizinprodukten und medizinprodukte daraus |
EP4353168A1 (de) | 2022-10-12 | 2024-04-17 | Kumovis GmbH | 3d-gedrucktes halbzeug zur herstellung eines medizinischen implantats und medizinisches implantat daraus |
Also Published As
Publication number | Publication date |
---|---|
JP2023501704A (ja) | 2023-01-18 |
DE202019106375U1 (de) | 2019-11-25 |
US20220387180A1 (en) | 2022-12-08 |
EP4058264A1 (de) | 2022-09-21 |
AU2020382932A1 (en) | 2022-05-26 |
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