ES2608910T3 - Artículos fabricados de cerámica - Google Patents
Artículos fabricados de cerámica Download PDFInfo
- Publication number
- ES2608910T3 ES2608910T3 ES04718112.8T ES04718112T ES2608910T3 ES 2608910 T3 ES2608910 T3 ES 2608910T3 ES 04718112 T ES04718112 T ES 04718112T ES 2608910 T3 ES2608910 T3 ES 2608910T3
- Authority
- ES
- Spain
- Prior art keywords
- ceramic
- uncooked
- prosthetic implant
- cake type
- initial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 title abstract description 28
- 239000007943 implant Substances 0.000 abstract description 8
- 238000010411 cooking Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- 239000000395 magnesium oxide Substances 0.000 abstract 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 2
- 239000003381 stabilizer Substances 0.000 abstract 2
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008468 bone growth Effects 0.000 description 1
- 239000012700 ceramic precursor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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
- A61F2/38—Joints for elbows or knees
-
- 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
- A61F2/30988—Other joints not covered by any of the groups A61F2/32 - A61F2/4425
- A61F2/3099—Other joints not covered by any of the groups A61F2/32 - A61F2/4425 for temporo-mandibular [TM, TMJ] joints
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
- C04B35/6455—Hot isostatic pressing
-
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- 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
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- A61F2/3094—Designing or manufacturing processes
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- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3836—Special connection between upper and lower leg, e.g. constrained
- A61F2/384—Special connection between upper and lower leg, e.g. constrained hinged, i.e. with transverse axle restricting the movement
- A61F2/385—Special connection between upper and lower leg, e.g. constrained hinged, i.e. with transverse axle restricting the movement also provided with condylar bearing surfaces
-
- 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
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- A61F2/3859—Femoral components
-
- A—HUMAN NECESSITIES
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- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3868—Joints for elbows or knees with sliding tibial bearing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3872—Meniscus for implantation between the natural bone surfaces
-
- A—HUMAN NECESSITIES
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- 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
- A61F2/38—Joints for elbows or knees
- A61F2/3886—Joints for elbows or knees for stabilising knees against anterior or lateral dislocations
-
- 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
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
- A61F2002/30616—Sets comprising a plurality of prosthetic parts of different sizes or orientations
-
- 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
- A61F2/30721—Accessories
- A61F2/30734—Modular inserts, sleeves or augments, e.g. placed on proximal part of stem for fixation purposes or wedges for bridging a bone defect
- A61F2002/30736—Augments or augmentation pieces, e.g. wedges or blocks for bridging a bone defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
-
- A—HUMAN NECESSITIES
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- 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
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- 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
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- A61F2/30—Joints
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- A61F2002/4205—Tibial components
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- 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
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- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
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Abstract
Procedimiento para obtener un cuerpo de cerámica para un implante protésico o un componente de un implante protésico cerámico de Mg-TTZ a partir de un polvo que es un óxido de zirconio monoclínico que tiene óxido de magnesio como estabilizador, cuyo procedimiento comprende: proporcionar un cuerpo cerámico sin cocer inicial de tipo bizcocho disponiendo un material (10) cerámico en polvo, que es un óxido de zirconio monoclínico que tiene óxido de magnesio como un estabilizador, comprimir el material en su forma en polvo mediante una operación (1, 2, 3, 18, 19) en una prensa isostática en frío para formar un cuerpo (520) sin cocer inicial prensado sin procesar, y a continuación calentar el cuerpo sin cocer inicial prensado sin procesar hasta una fase (4) de bizcocho para obtener el cuerpo (521) sin cocer inicial de tipo bizcocho; y, tras llevar a cabo las etapas anteriores sin emplear un aglutinante adicional al material cerámico en polvo, llevar a cabo las siguientes etapas adicionales: mecanizar el cuerpo (521) sin cocer inicial de tipo bizcocho para obtener un cuerpo (530) cerámico sin cocer de tipo bizcocho mecanizado, de manera que el cuerpo cerámico sin cocer de tipo bizcocho mecanizado tiene una conformación que es una forma precursora esencialmente análoga, al ser de las mismas proporciones que, la forma de, la parte cerámico de un implante protésico de un cuerpo cerámico o de un componente (540, 550) de implante protésico, acabado, predeterminado, cocido pero más grande; y entonces cocer el cuerpo (6, 38, 39) cerámico sin cocer de tipo bizcocho mecanizado para obtener un producto de un cuerpo cerámico de Mg-TTZ cocido, que es del mismo tamaño y forma o esencialmente del mismo tamaño y forma que la parte cerámica del implante protésico del cuerpo cerámico o del componente del implante protésico, acabado, predeterminado, cocido.
Description
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cabo de manera deseable un recocido enfriando gradualmente el cuerpo desde la temperatura de cocción, manteniéndolo en caliente, por ejemplo, reduciendo gradualmente la temperatura del cuerpo cocido caliente aproximadamente desde doscientos hasta quinientos grados C, por ejemplo, aproximadamente trescientos cincuenta grados C, por debajo de la temperatura de cocción del cuerpo, y manteniendo el cuerpo a la temperatura de recocido durante aproximadamente de una a tres horas, por ejemplo, aproximadamente dos horas. El enfriamiento desde la temperatura de recocido se puede realizar a cualquier velocidad adecuada, por ejemplo, a una velocidad similar a, pero inversa de la velocidad de ascenso, hasta que el cuerpo cerámico recocido esté aproximadamente a temperatura ambiente. De este modo se consigue, en general, un cuerpo de Mg-TTZ más acabado, que normalmente tiene una densidad que se aproxima o alcanza la densidad teórica. Ventajosamente por tanto, normalmente no se requiere procesamiento por calor adicional tal como mediante la operación de HIP sobre el cuerpo cerámico de Mg-TTZ cocido y recocido.
Puede obtenerse un cuerpo cerámico de Y-TZP más acabado cociendo el cuerpo sin cocer mecanizado más grande correspondiente en un horno aproximadamente desde mil trescientos hasta mil quinientos grados C en el caso de un cuerpo compuesto por micropolvo, o aproximadamente de mil cien a mil trescientos grados C en el caso de un cuerpo compuesto por nanopolvo. Los procedimientos de ascenso de la temperatura, recocido y enfriamiento pueden ser, en términos generales, análogos a los de la cerámica de Mg-TTZ. Sin embargo, puede utilizarse ventajosamente un enfriamiento aproximadamente de siete a diez grados C por minuto, hasta la temperatura de tratamiento térmico. Finalmente, una operación de HIP bajo argón o nitrógeno, por ejemplo, argón, a aproximadamente de mil a tres mil libras por pulgada cuadrado (psi) de presión (convertida en aproximadamente de 70,36958 a 211,10874 kg/cm cuadrado), a una temperatura de aproximadamente de mil a dos mil grados C, durante un tiempo de aproximadamente cuatro a veinticuatro horas, con enfriamiento final hasta la temperatura ambiente. Por tanto, el cuerpo cerámico acabado puede quedar libre de sustancias orgánicas e inorgánicas, y aproximarse o lograr la densidad teórica.
Puede emplearse un equipo de hornear apropiado. Un equipo de este tipo se coloca de manera beneficiosa en partes no críticas del cuerpo. Por ejemplo, el componente del implante de articulación de rodilla femoral puede colocarse boca abajo en el horno en el equipo de hornear que toca las partes de la prótesis que forman la superficie de contacto hueso-implante en lugar de colocarse boca arriba para tener sus superficies condilares de articulación expuestas durante la cocción.
Las partes y componentes cerámicos acabados pueden ser materiales densos. En general, la cerámica acabada debe tener al menos aproximadamente el noventa por ciento de la densidad teórica, o puede tener, al menos, aproximadamente noventa y cinco, noventa y seis, noventa y siete, noventa y ocho o noventa y nueve por ciento de la densidad teórica. De manera deseable, la densidad de la cerámica acabada se aproxima, y especialmente llega, la densidad teórica.
El cuerpo cerámico de rodilla más acabado puede procesarse adicionalmente según se desee o se requiera. Normalmente, cualquier procesamiento adicional es de naturaleza secundaria, particularmente cuando se compara con la que se requeriría de otro modo para proporcionar la forma final a partir del mecanizado de un bloque cerámico cocido. Por tanto, el pulido y/o cantidades secundarias de amolado son normalmente solo algunas de las operaciones mecánicas llevadas a cabo en el cuerpo cerámico más acabado. Puede aplicarse una deposición de tantalio en fase de vapor o un recubrimiento de hidroxiapatita a las superficies de contacto con el hueso para generar crecimiento del hueso. Los diversos cuerpos cerámico acabados, incluyendo los que se desea para su implantación en seres humanos o en animales, pueden limpiarse y esterilizarse mediante procedimientos conocidos.
Esta práctica puede consolidarse para ilustrar las preferencias haciendo referencia a las figuras 2 y 20, tal como sigue:
Etapa 1: Se añade polvo -10-monoclínico a un molde de caucho -18-de la cavidad de la esfera.
Etapa 2: Se coloca el molde -18-lleno en la prensa -19-CIP.
Etapa 3: Se activa la prensa -19-para obtener un cuerpo sin cocer inicial, por ejemplo, el bloque -520-sin cocer.
Etapa 4: Se somete el bloque -520-sin cocer para obtener bizcocho, si es necesario proporcionar un bloque sin cocer -521-como bizcocho.
Etapa 5: Se mecaniza el bloque sin cocer -521-(o -520-si no se realiza la obtención del bizcocho), por ejemplo, mediante una máquina de control numérico, para obtener el cuerpo cerámico sin cocer -530-mecanizado.
Etapa 6: Se coloca el cuerpo cerámico sin cocer -530-mecanizado en el equipo -38-de hornear adecuado en el horno 39.
Etapa 7: Se calienta el horno -39-para cocer el cuerpo precursor cerámico -530-para proporcionar el cuerpo -540cerámico más acabado.
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-
2004
- 2004-03-05 CA CA2517623A patent/CA2517623C/en not_active Expired - Fee Related
- 2004-03-05 EP EP13154079.1A patent/EP2596927B1/en not_active Expired - Lifetime
- 2004-03-05 ES ES13154079T patent/ES2625698T3/es not_active Expired - Lifetime
- 2004-03-05 WO PCT/US2004/006908 patent/WO2004080340A2/en active Application Filing
- 2004-03-05 AU AU2004220540A patent/AU2004220540B2/en not_active Ceased
- 2004-03-05 EP EP04718112.8A patent/EP1601511B9/en not_active Expired - Lifetime
- 2004-03-05 ES ES04718112.8T patent/ES2608910T3/es not_active Expired - Lifetime
- 2004-03-05 JP JP2006509209A patent/JP5108301B2/ja not_active Expired - Fee Related
-
2010
- 2010-08-09 JP JP2010178826A patent/JP6077731B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU2004220540A1 (en) | 2004-09-23 |
EP1601511A4 (en) | 2008-02-13 |
CA2517623A1 (en) | 2004-09-23 |
WO2004080340A3 (en) | 2004-11-11 |
JP5108301B2 (ja) | 2012-12-26 |
CA2517623C (en) | 2012-10-02 |
EP2596927A1 (en) | 2013-05-29 |
EP1601511B9 (en) | 2017-03-01 |
WO2004080340A2 (en) | 2004-09-23 |
WO2004080340B1 (en) | 2004-12-29 |
ES2625698T3 (es) | 2017-07-20 |
EP1601511B1 (en) | 2016-10-05 |
JP2006523156A (ja) | 2006-10-12 |
EP2596927B1 (en) | 2017-04-12 |
JP6077731B2 (ja) | 2017-02-08 |
JP2011062511A (ja) | 2011-03-31 |
AU2004220540B2 (en) | 2007-12-06 |
EP1601511A2 (en) | 2005-12-07 |
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