MXPA03005235A - Sistema modular masivo. - Google Patents
Sistema modular masivo.Info
- Publication number
- MXPA03005235A MXPA03005235A MXPA03005235A MXPA03005235A MXPA03005235A MX PA03005235 A MXPA03005235 A MX PA03005235A MX PA03005235 A MXPA03005235 A MX PA03005235A MX PA03005235 A MXPA03005235 A MX PA03005235A MX PA03005235 A MXPA03005235 A MX PA03005235A
- Authority
- MX
- Mexico
- Prior art keywords
- prosthesis
- bone
- component
- collar
- shaft
- Prior art date
Links
Classifications
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- 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
- A61F2/30739—Devices connected to the proximal part of an endoprosthetic femoral shaft for reinforcing or replacing the trochanters, e.g. the greater trochanter
-
- 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
-
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3607—Femoral heads ; Femoral endoprostheses including proximal or total replacement of the femur
-
- 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
- A61F2/3859—Femoral components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
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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
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2/0811—Fixation devices for tendons or ligaments
-
- 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
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
- A61F2/367—Proximal or metaphyseal parts of shafts
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
- A61F2/3672—Intermediate parts of shafts
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
- A61F2/3676—Distal or diaphyseal parts of shafts
-
- 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
- A61F2/28—Bones
- A61F2002/2825—Femur
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- 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
- A61F2/28—Bones
- A61F2002/2853—Humerus
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- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/30125—Rounded shapes, e.g. with rounded corners elliptical or oval
- A61F2002/30126—Rounded shapes, e.g. with rounded corners elliptical or oval oval-O-shaped
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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
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30324—The prosthesis having different structural features at different locations within the same prosthesis differing in thickness
-
- 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
- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
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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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- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
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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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- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
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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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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
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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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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/3055—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting length
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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
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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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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0081—Prosthesis for animals
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0084—Means for distinguishing between left-sided and right-sided devices; Sets comprising both left-sided and right-sided prosthetic parts
-
- 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
- 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
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- 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
- 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
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
-
- 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
- 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
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
Abstract
La especificacion describe un sistema modular para la formacion de una protesis para la restitucion de un hueso grande en un cuerpo de un humano o animal. El sistema proporciona una protesis que comprende un componente de extremo proximo o distal tal como un trocante (1) o cabeza de condilo, que forma un componente de una articulacion protetica, un arbol (5) para ensamblaje con el componente de extremo distal o proximo y un vastago (8) para el acoplamiento en un hueso recortado. El sistema permite el ensamblaje de una protesis ajustada a la medida a partir de un margen limitado de componentes.
Description
SISTEMA. MODULAR MASIVO
Esta invención se refiere a prótesis para la restitución parcial o total de un hueso grande en cuerpos humanos o de animales . En el caso donde las extremidades se dañan mucho o grandes cantidades del hueso deben removerse quirúrgicamente, por ejemplo, en el caso de tratamiento de cáncer óseo, existe una necesidad de prótesis que restituyan una gran parte del hueso natural y que puedan ensamblarse por el cirujano para satisfacer un amplio margen de condiciones. La presente invención proporciona un sistema modular para construir efectivamente prótesis a la medida para satisfacer un margen de requerimientos quirúrgicos. Los requerimientos típicos pueden ser, por ejemplo, restituir el fémur próximo distal o tal vez la restitución total del fémur. De acuerdo con un aspecto de la presente invención se proporciona una prótesis para la restitución parcial o total de un hueso grande en humanos o animales, la prótesis comprende un componente de extremo próximo o distal que forma un componente de una articulación protésica, un árbol ensamblado con el extremo distal o próximo y un vástago para el acoplamiento en un hueso recortado, el árbol, el vástago y los componentes de extremo distal o próximo se conectan por uniones cónicas macho y hembra, cada unión cónica macho incluye una proyección que se extiende longitudinalmente de la prótesis pero se desplaza de su eje y acopla en un rebajo correspondiente en la unión cónica hembra, un orificio pasante se proporciona para tener acceso transversalmente en la región del extremo de la unión cónica macho mediante una herramienta de desensambl je, y en donde la proyección mantiene los componentes adyacentes en la relación angular deseada . La invención también incluye otras características que incluyen un collar que se puede ensamblar al árbol o extensión del mismo, el collar se dimensiona para empalmar la cara recortada del hueso en la cual se ajustará la prótesis, el collar tiene una porción adaptada para ahusar hacia la cara recortada y tiene un tratamiento superficial diseñado para impulsar el crecimiento del hueso sobre la superficie ahusada del collar. En el caso de prótesis de restitución femoral próximas, la prótesis de preferencia incluye un componente de restitución de trocante ensamblado con un árbol y vástago, el componente de restitución de trocante se conforma para corresponder aproximadamente con otro trocante anatómico e incluye un cuello femoral para recibir una bola femoral y una cara generalmente plana opuesta al cuello femoral para la conexión al hueso residual o tejido suave. Características detalladas de las prótesis de acuerdo con la invención se volverán aparentes a partir de los dibujos anexos, en los cuales: la Figura 1 es una elevación lateral de componentes ensamblados de una prótesis femoral próxima; la Figura 2 es una elevación lateral de una prótesis femoral distal de acuerdo con la invención; la Figura 3 muestra varias vistas de un componente de restitución de trocante de acuerdo con la invención; la Figura 4 muestra varias vistas de un árbol modular para el uso en la presente invención; la Figura 5 muestra varias vistas de u vástago femoral para el uso en la presente invención; la Figura 6 muestra varias vistas de un collar para el uso en la prótesis de acuerdo con la invención; y la Figura 7 muestra varias vistas de un árbol de extensión modular para el uso en la presente invención. Con referencia primero a la Figura 1, este dibujo muestra diagramáticamente una prótesis femoral próxima ensamblada que comprende un componente 1 de trocante que tiene un cuello 2 femoral, el cual es ahusado para recibir una bola femoral en una forma convencional. El componente de trocante se muestra en mayor detalle en las vistas mostradas en la Figura 3 y puede observarse que corresponde aproximadamente a la forma anatómica y tiene una cara 3 generalmente plana para la unión a cualquier hueso residual o a los tejidos suaves. El componente 1 de trocante tiene una unión cónica hembra interna, mejor vista en la Figura 3, y se ensambla sobre una unión cónica macho portada por un árbol 5. La construcción detallada del árbol 5 es aparente a partir de las vistas en la Figura 4 y se observará que el árbol 5 tiene una unión cónica 33 macho en un extremo para el acoplamiento dentro de la unión cónica hembra del componente 1 de trocante y en su otro extremo tiene una unión cónica 7 hembra para el acoplamiento con un extremo de un vástago 8 (mostrado en mayor detalle en la Figura 5) . El vástago 8 se ajusta dentro de un fémur 9 recortado ya sea por ajuste a presión o al utilizar pasta ósea. Rodeando el extremo distal del árbol 5, se encuentra un collar 10 que se muestra en mayor detalle en la Figura 6. El collar 10 tiene un extremo 11 inferior distal que empalma el hueso poroso que forma la cara del hueso 9 recortado. Las dimensiones del collar 10 se seleccionan de manera que la cara extrema del collar 10 terminal en tabla de la dimensión externa del hueso 9. El collar 10 se forma sobre su superficie externa con puntas o un material estimulador de crecimiento de hueso tal como hidroxiapatit . Estas medidas impulsan al hueso poroso a crecer sobre la superficie del collar 10 y ayuda a fijar más firmemente la prótesis dentro del hueso 9 recortado residual. Con frecuencia es posible tener la porción 12 residual del trocante cuando se remueve el hueso dañado o el tumor. Esta pieza residual de hueso puede tener ligamentos u otro tejido suave unido a ésta y es útil para utilizar esto para ayudar a establecer al componente de restitución de trocante. El hueso 12 residual puede unirse al componente de trocante al sujetar una placa 13 a la cara 3 del componente de trocante. La Figura 2 muestra una vista de una prótesis distal ensamblada que comprende un componente 21 de cabeza de cóndilo que forma una parte de la articulación de rodilla que se conecta a un árbol 5 en una forma análoga a la forma en la que el componente 1 de trocante se conecta al árbol 5 en la Figura 1. Símilármente, el árbol 5 se conecta al vástago 8 en una forma similar a la que se describe previamente junto con la Figura 1 y el collar 10 se desliza sobre la porción inferior ahusada del miembro 5 de árbol justo como se describe en lo anterior junto con la Figura 1 y tiene una porción 11 ahusada distal que empalma la cara recortada del fémur 9. En una forma similar, esto impulsa al crecimiento del hueso sobre la superficie del collar 10. Detalles del componente 1 del trocante se muestran en las vistas de la Figura 3. Puede observarse que la cara 3 plana del componente 1 de trocante se forma en un diseño de espinas 30. Este diseño de espinas se proporciona para asegurar una conexión firme con cualquier hueso 12 residual (véase Figura 1) y sirve para estabilizar adicionalmente la prótesis. Puede observarse que el componente de trocante tiene una unión cónica hembra que termina internamente con un rebajo 31 desplazado. El rebajo 31 se conforma para acoplarse con una proyección 32 formada sobre la unión cónica 33 macho del árbol 5. (Véase Figura 4). El componente de trocante se proporciona con un orificio 34 transversal dentro del cual puede insertarse una herramienta de desensambla e para forzar al componente de trocante y al árbol a separarse cuando se requiera el desensambla e. Como puede observarse en la Figura 4, el árbol 5 también tiene una unión cónica 7 hembra y se forma con un rebajo 35 similar al rebajo 31 en el componente de trocante. El árbol 5 también incluye un orificio 36 transversal dentro del cual puede insertarse una herramienta de desensambla e para obligar a que se aleje del árbol y el componente del vástago el cual se diseña para ajusfar dentro de la unión cónica 7. Con referencia además a la Figura 3, puede observarse que el componente de trocante también incorpora orificios 36. Estos se pretenden para suturar el componente de trocante al tejido suave tal como los tendones en el caso de que no exista hueso residual, a los cuales se unen los tendones, que pueden sujetarse a la cara 3 punteada. El componente de trocante se pretende para proporcionarse como un componente estándar de un sistema modular aunque pueden ser versiones derecha e izquierda. También pueden existir componentes de trocante alternativos en los cuales el grado de desplazamiento del cuello femoral difiere para adecuarse a un paciente particular. Como puede observarse a partir de la Figura 4, el árbol femoral, aunque estandarizado en cuanto a lo que se refiere a las uniones cónicas, se suministra en longitudes de intervalos de 15mm. El árbol femoral también se proporciona con muescas 37 para acoplar con orejetas 38 correspondientes que son parte integral del collar 10. Como puede observarse a través de la Figura 6, el collar 10 tiene una unión cónica 39 interna adaptada para ajusfar sobre una unión cónica 40 correspondiente en un extremo del árbol 5. El acoplamiento del collar sobre el árbol 5 y también las orejetas 38 en las muescas 37 permite que el collar se ajuste en forma segura sobre el árbol. Como puede observarse a partir de la Figura 6, el collar se suministra en un número de diámetros, DI y D2. La Figura 5 muestra varias vistas de un componente 8 de vastago. Como puede observarse a partir de la vista en corte transversal, el vástago se forma con estrías para acoplarse en el hueso cortical y pueden ser rectas o curvadas para acomodar cualquier curvatura en el canal óseo. El extremo próximo del árbol tiene una unión cónica 42 que corresponde con la unión cónica 7 interna del componente de árbol. El árbol también incluye una proyección 43 que corresponde al rebajo 35 en el componente de árbol. El componente 5 de árbol incluye un orificio 36 transversal para propósitos de desensamblaje mediante el cual una herramienta insertada a través del orificio presionará el vástago y el árbol al soportarse sobre las caras extremas correspondientes del vástago y el árbol. Como puede observarse a partir de la Figura 5, el vástago está disponible en un número de diámetros y longitudes y puede ser curvado o recto para acomodarse a los diversos problemas quirúrgicos que puedan encontrarse al ajustar tal prótesis. La Figura 7 muestra un árbol de extensión modular que permite ensamblajes totales como en la Figura 1 y 2 se extiendan. El árbol 50 de extensión modular tiene uniones cónicas macho y hembra en extremos opuestos que corresponden respectivamente con la unión cónica 7 del árbol modular y la unión cónica 42 del vástago modular. Desde luego, el árbol 50 de extensión modular puede utilizarse junto con un árbol estándar o solo para conectarse el componente 1 de trocante o el miembro 21 de cóndilo con los vástagos 8. Aunque no se muestra en detalle, la prótesis mostrada en las Figura 1 y 2 puede combinarse al omitir los árboles 8 y los collares 10 para formar una prótesis de restitución femoral completa. También, componentes análogamente formados pueden emplearse para restituir otro hueso grande tal como el húmero . Como se describe en lo anterior, los componentes de la prótesis pueden desmantelarse fácilmente al utilizar una herramienta de desensamblaje insertada en las paredes transversales en los componentes en cada articulación ahusada ya sea después de un ensamblaje de prueba o en una operación de revisión. El material preferiblemente utilizado es una aleación de titanio complemente excepto para las cabezas femorales donde se utiliza de preferencia cromo de cobalto o cabezas de cerámica.
Claims (6)
- REIVINDICACIONES 1. Una prótesis para la restitución parcial o total de un hueso grande en humanos o animales, la prótesis comprende un componente de extremo próximo o distal que forma un componente de una articulación protética, un árbol ensamblado con el extremo distal o próximo y un vástago para el acomplamiento en un hueso recortado. Los componentes de árbol, vástago y el extremo distal o próximo se conectan por uniones cónicas macho y hembra, cada unión cónica macho incluye una proyección que se extiende longitudinalmente de la prótesis pero se desplaza de su eje y acopla en un rebajo correspondiente en la unión cónica hembra, se proporciona un orificio transversal para tener acceso transversalmente a la región del extremo de la unión cónica macho mediante una herramienta de desensamblare, y en donde la proyección mantiene a los componentes adyacentes en la relación angular deseada.
- 2. La prótesis como se reclama en la reivindicación 1 , que incluye un collar ensamblado al árbol o extensión del mismo, el collar se dimensiona para empalmar la cara recortada del hueso en la cual se ajustará la prótesis, el collar tiene una porción adaptada para usarse hacia la cara recortada y tiene un tratamiento superficial diseñado para impulsar el crecimiento del hueso sobre la superficie ahusada del collar.
- 3. La prótesis como se reclama en la reivindicación 2, en la cual el collar se forma con una superficie externamente punteada o se reviste con hidroxiapatita u otro material de promoción de crecimiento de hueso.
- 4. La prótesis como se reclama en cualquiera de las reivindicaciones precedentes, la cual es una prótesis de restitución femoral próxima, la prótesis incluye un componente de restitución de trocante, ensamblado con un árbol o un vástago.
- 5. La prótesis como se reclama en la reivindicación 4, en la cual el componente de restitución de trocante se conforma para corresponder aproximadamente con un trocante anatómico e incluye un cuello femoral para recibir una bola femoral y una cara generalmente plana opuesta al cuello femoral para la conexión al hueso residual o tejido suave.
- 6. La prótesis como se reclama en la reivindicación 5, en la cual la cara generalmente plana porta puntas para el acoplamiento con el hueso residual.
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GB0030643A GB2370041C (en) | 2000-12-15 | 2000-12-15 | A modular system for formation of a prosthesis |
PCT/GB2001/005456 WO2002047585A1 (en) | 2000-12-15 | 2001-12-07 | Massive modular system |
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2000
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- 2001-12-07 DK DK01270290T patent/DK1353614T3/da active
- 2001-12-07 AU AU2002216201A patent/AU2002216201C1/en not_active Ceased
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- 2001-12-07 BR BR0116213-6A patent/BR0116213A/pt not_active Application Discontinuation
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- 2001-12-07 CN CNB018206069A patent/CN1236737C/zh not_active Expired - Fee Related
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