ITTO970665A1 - HIP REPLACEMENT - Google Patents
HIP REPLACEMENT Download PDFInfo
- Publication number
- ITTO970665A1 ITTO970665A1 IT97TO000665A ITTO970665A ITTO970665A1 IT TO970665 A1 ITTO970665 A1 IT TO970665A1 IT 97TO000665 A IT97TO000665 A IT 97TO000665A IT TO970665 A ITTO970665 A IT TO970665A IT TO970665 A1 ITTO970665 A1 IT TO970665A1
- Authority
- IT
- Italy
- Prior art keywords
- neck
- metaphyseal part
- metaphyseal
- shank
- prosthesis according
- Prior art date
Links
- 238000011540 hip replacement Methods 0.000 title description 3
- 210000000689 upper leg Anatomy 0.000 claims description 22
- 210000000988 bone and bone Anatomy 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 10
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000007943 implant Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000002271 resection Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000004064 dysfunction Effects 0.000 description 3
- 206010020649 Hyperkeratosis Diseases 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 210000002436 femur neck Anatomy 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/1753—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for fixing pins through femoral hip prostheses
-
- 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
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/175—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for preparing the femur for hip prosthesis insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1796—Guides or aligning means for drills, mills, pins or wires for holes for sutures or flexible wires
-
- A—HUMAN NECESSITIES
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- 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
- A61B17/82—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
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- A—HUMAN NECESSITIES
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- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/842—Flexible wires, bands or straps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8847—Equipment for handling bone cement or other fluid fillers for removing cement from a bone cavity
-
- 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
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- 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
- A61F2/3676—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
- A61F2/30—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
- A61F2002/30113—Rounded shapes, e.g. with rounded corners circular
-
- 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
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30205—Three-dimensional shapes conical
- A61F2002/3021—Three-dimensional shapes conical frustoconical
-
- 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
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30224—Three-dimensional shapes cylindrical
-
- 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
- A61F2002/30329—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
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
-
- 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
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/30682—Means for preventing migration of particles released by the joint, e.g. wear debris or cement particles
-
- 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
- A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
- A61F2002/3069—Revision endoprostheses
-
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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
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30785—Plurality of holes parallel
-
- 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
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30789—Plurality of holes perpendicular with respect to each other
-
- 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
- A61F2/30767—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
- A61F2002/30795—Blind bores, e.g. of circular cross-section
- A61F2002/30797—Blind bores, e.g. of circular cross-section internally-threaded
-
- 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
- A61F2/30767—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
- A61F2002/30795—Blind bores, e.g. of circular cross-section
- A61F2002/308—Blind bores, e.g. of circular cross-section oblong
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- Health & Medical Sciences (AREA)
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- Dentistry (AREA)
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- Turbine Rotor Nozzle Sealing (AREA)
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Description
DESCRIZIONE dell’Invenzione industriale dal titolo: DESCRIPTION of the industrial invention entitled:
«PROTESI D’ANCA» "HIP REPLACEMENT"
La presente invenzione riguarda il campo degli impianti ortopedici e, più particolarmente, delle protesi impiegate per la riabilitazione delle articolazioni del corpo umano. The present invention relates to the field of orthopedic implants and, more particularly, of prostheses used for the rehabilitation of the joints of the human body.
Lo scopo deirinvenzione è più particolarmente rivolto verso le protesi d’anca che sono posizionate dopo resezione del collo del femore, negli interventi previsti per riabilitare l’articolazione coxofemorale. The purpose of the invention is more particularly aimed at hip prostheses that are positioned after resection of the femoral neck, in the operations planned to rehabilitate the coxofemoral joint.
Nel campo tecnico precedente, è ora abituale impiantare protesi d’anca che hanno costituito l’oggetto di numerose proposte tecniche, al fine di garantire una riabilitazione nelle migliori condizioni per durate quanto più lunghe possibili. In the previous technical field, it is now customary to implant hip prostheses which have been the subject of numerous technical proposals, in order to ensure rehabilitation in the best conditions for as long as possible.
Sarebbe vano tentare di stabilire una "'recensione esauriente di tutte le proposte attualmente note, a causa del loro grande numero. Si può semplicemente ricordare che le protesi d’anca possono essere generalmente classificate in due categorie, a seconda del fatto che esse siano impiantate in presenza, o sen za presenza, di un agente legante intermedio, come un cemento. It would be in vain to attempt to establish an exhaustive review of all currently known proposals, due to their large number. It can simply be remembered that hip replacements can generally be classified into two categories, depending on whether they are implanted. in the presence, or without the presence, of an intermediate binding agent, such as a cement.
Il rigetto, attualmente correlato all’impianto di queste protesi, consente di constatare che l’impianto o gli impianti effettuati per un medesimo femore determinano una necessità di revisionare, prima o poi, rimpianto realizzato che presenta inconvenienti richiedenti l’estrazione e la sostituzione della protesi. Le cause di questi inconvenienti sono numerose e possono provenire da un impianto iniziale non ottimale, da un degrado dell’agente legante, dalla comparsa di una infezione, da uno stacco o da un degrado naturale del materiale osseo proteggente la protesi. The rejection, currently related to the implantation of these prostheses, makes it possible to ascertain that the implant or implants made for the same femur determine a need to revise, sooner or later, a regressed implant that presents drawbacks requiring the extraction and replacement of the prosthesis. The causes of these problems are numerous and may come from a non-optimal initial implant, from a degradation of the binding agent, from the appearance of an infection, from a detachment or from a natural degradation of the bone material protecting the prosthesis.
In queste situazioni, e per ristabilire l’integrità funzionale della articolazione coxofemorale, è necessario procedere al posizionamento di una nuova protesi, chiamata di ripresa, che deve, naturalmente, essere impiantata nel femore il cui stato è stato alterato dalle disfunzioni precedenti. In these situations, and to restore the functional integrity of the coxofemoral joint, it is necessary to proceed with the placement of a new prosthesis, called a recovery, which must, of course, be implanted in the femur whose state has been altered by previous dysfunctions.
In una simile situazione, conviene, naturalmente, tener conto dello stato del materiale osseo, in particolare delle deformazioni del femore o, inoltre, del degrado della sua estremità superiore d’appoggio derivante dalla resezione del collo del femore. In such a situation, it is, of course, advisable to take into account the state of the bone material, in particular the deformations of the femur or, furthermore, the degradation of its upper support extremity resulting from the resection of the femoral neck.
E’ pure necessario, generalmente, tener conto dell’obbligo di procedere ad una pulitura preliminare del cemento di fissaggio della protesi anteriore quando quest’ultima è del tipo cementato o, inoltre, ad un ripristino del canale midollare la cui parte interna ha potuto essere degradata in caso di spostamento di una protesi non cementata o di stacco di una protesi cementata. It is also generally necessary to take into account the obligation to proceed with a preliminary cleaning of the fixing cement of the anterior prosthesis when the latter is of the cemented type or, moreover, to restore the medullary canal whose internal part could be degraded in case of displacement of a non-cemented prosthesis or detachment of a cemented prosthesis.
E’ quindi necessario poter disporre di una protesi che possa soddisfare i requisiti precedenti, in modo da eliminare le disfunzioni, le complicazioni o le difficoltà di estrazione correlate ad una protesi esistente, per consentire il reimpianto di una protesi di ripresa ristabilente rintegrità della articolazione coxofemorale. It is therefore necessary to have a prosthesis that can meet the previous requirements, in order to eliminate the dysfunctions, complications or extraction difficulties related to an existing prosthesis, to allow the re-implantation of a recovery prosthesis restoring the integrity of the coxofemoral joint .
Lo scopo dell’invenzione è quello di soddisfare tale esigenza proponendo una protesi di ripresa consentente di tener conto delle alterazioni di integrità o delle modificazioni di potenzialità fisiche e strutturali del femore preliminarmente impiantato. The purpose of the invention is to satisfy this need by proposing a recovery prosthesis that allows to take into account the alterations of integrity or modifications of the physical and structural potential of the preliminarily implanted femur.
Lo scopo dell'invenzione è quello di proporre una protesi di ripresa, adattata alle esigenze di re-installazione o di re-instaurazione delle integrità, a causa delle difficoltà di estrazione della protesi precedente o, anche, dei danni ossei o delle deformazioni naturali del femore. The purpose of the invention is to propose a recovery prosthesis, adapted to the needs of re-installation or re-establishment of the integrity, due to the difficulty in extracting the previous prosthesis or, also, to bone damage or natural deformations of the femur.
Inoltre, le operazioni di pulitura e di riparazione del femore possono richiedere il taglio di una porzione o aletta nella parte metafisaria esterna del femore al fine di definire, da un lato, un accesso alla parte interna metafisaria e, dall’altro lato, un accesso in profondità del canale midollare. Furthermore, the cleaning and repair operations of the femur may require the cutting of a portion or fin in the external metaphyseal part of the femur in order to define, on the one hand, an access to the internal metaphyseal part and, on the other hand, an access deep into the medullary canal.
E’ quindi necessario poter disporre di una protesi consentente un ri-posizionamento della menzionata porzione o aletta dopo reimpianto della protesi di ripresa. It is therefore necessary to have a prosthesis that allows re-positioning of the aforementioned portion or flap after replanting the recovery prosthesis.
Lo scopo dell’invenzione è quello di soddisfare tale esigenza proponendo una protesi di ripresa fornente i mezzi necessari per un ri-posizionamento della menzionata porzione o aletta in una posizione stabile consentente una formazione rapida di un callo osseo suscettibile di ristabilire l’integrità tra il femore e l’aletta. The object of the invention is to satisfy this need by proposing a recovery prosthesis providing the necessary means for re-positioning the aforementioned portion or fin in a stable position allowing a rapid formation of a callus capable of restoring the integrity between the femur and fin.
Per raggiungere tutti gli scopi precedenti, la protesi d’anca, denominata di ripresa, è caratterizzata dal fatto che: To achieve all the previous purposes, the hip prosthesis, called recovery, is characterized by the fact that:
- la parte metafìsaria presenta due facce piane, situate da entrambi i lati di un piano di simmetria, chiamato perpendicolare al piano di riferimento sagittale anatomico, - the metaphyseal part has two flat faces, located on both sides of a plane of symmetry, called perpendicular to the anatomical sagittal reference plane,
- la parte metafìsaria possiede, arretrati dal suo bordo esterno, fori passanti aprentisi nelle due facce piane e riservati per il passaggio di elementi di collegamento previsti per cerchiare un’aletta ossea tagliata nella parte esterna metafìsaria di un femore in cui detta protesi è impiantata, - the metaphyseal part has, set back from its external edge, through holes opening in the two flat faces and reserved for the passage of connecting elements provided to circle a bone fin cut in the external metaphyseal part of a femur in which said prosthesis is implanted,
- il codolo è cilindrico, di superficie liscia e di lunghezza uguale ad almeno il 65% della lunghezza totale della protesi, - il codolo presenta, a distanza dalla sua estremità, due fori trasversali, passanti, praticati nel piano di simmetria e previsti per il passaggio di due viti di fissaggio. - the shank is cylindrical, with a smooth surface and a length equal to at least 65% of the total length of the prosthesis, - the shank has, at a distance from its end, two transverse, through holes, made in the plane of symmetry and provided for the passage of two fixing screws.
Varie altre caratteristiche risulteranno chiare dalla descrizione in seguito fornita con riferimento ai disegni acclusi che illustrano, a titolo di esempi non limitativi, forme di realizzazione dell’oggetto dell’invenzione. Various other features will become clear from the description provided below with reference to the attached drawings which illustrate, by way of non-limiting examples, embodiments of the object of the invention.
Nei disegni: In the drawings:
La Fig. 1 è una vista prospettica della protesi secondo l’invenzione; Fig. 1 is a perspective view of the prosthesis according to the invention;
La Fig. 2 è ima vista laterale, parzialmente in spaccato, corrispondente alla Fig. 1, Fig. 2 is a side view, partially cut away, corresponding to Fig. 1,
La Fig. 3 è una vista trasversale presa secondo la linea III-III della Fig. 2; Fig. 3 is a transverse view taken along the line III-III of Fig. 2;
La Fig. 4 è una vista in alzato in sezione illustrante rimpianto della protesi di ripresa in un femore; e Fig. 4 is a sectional elevation view illustrating regression of the shooting prosthesis in a femur; And
La Fig. 5 è una vista in alzato illustrante uno sviluppo deU’invenzione. Fig. 5 is an elevation view illustrating a development of the invention.
Com’è rappresentato nelle Fig. da 1 a 3, la protesi d’anca comprende uno stelo 1 che è collegato ad un collo 2 formante una testa protesica 3. As shown in Figs. 1 to 3, the hip prosthesis comprises a stem 1 which is connected to a neck 2 forming a prosthetic head 3.
Dal punto di vista dell’invenzione, può essere considerato indifferente che la testa 3 formi parte integrante della protesi o sia costituita da una testa sferica riportata come illustrato dai disegni. From the point of view of the invention, it can be considered indifferent whether the head 3 forms an integral part of the prosthesis or consists of a spherical head shown as illustrated in the drawings.
La protesi è realizzata in modo tale che lo stelo 1 comprende una parte spessa o massiccia 4, chiamata metafìsaria, estendentesi a partire da una base 5 di collegamento con il collo 2 prolungantesi mediante un codolo 6. The prosthesis is made in such a way that the stem 1 comprises a thick or massive part 4, called metaphyseal, extending from a base 5 connecting with the neck 2 extending by means of a tang 6.
La parte massiccia metafisaria 4 è definita da due facce piane 7a e 7b che sono disposte da entrambi i lati di un piano di simmetria P-P’, il cui riferimento geometrico deve essere considerato con riferimento ad un piano sagittale anatomico S. Benché lo stelo 1 possa essere conformato per presentare una curvatura appropriata al femore in cui esso deve essere impiantato, è considerato, per i fini inventivi, che il riferimento P-P’ sia di tipo piano, generalmente parlando. The massive metaphyseal part 4 is defined by two flat faces 7a and 7b which are arranged on both sides of a plane of symmetry P-P ', whose geometric reference must be considered with reference to an anatomical sagittal plane S. Although the stem 1 can be shaped to present an appropriate curvature to the femur in which it is to be implanted, it is considered, for the inventive purposes, that the reference P-P 'is of the flat type, generally speaking.
Le facce piane 7a e 7b sono, a partire dalla base 5, leggermente convergenti nella direzione del piano di riferimento sagittale S e presentano, ciascuna, rigature, scanalature o simili 8, realizzate longitudinalmente e parallelamente tra loro, in modo da favorire ulteriore ancoraggio della massa ossea di ricostituzione. A tale proposito, la parte metafisaria può, vantaggiosamente, costituire l’oggetto di un apporto di un rivestimento di idrossia patite. Le rigature 8 sono del tipo non sboccante alla estremità trasversale sul collo, per evitare qualsiasi migrazione di particelle verso l’alto. Viceversa, nella estremità distale, le rigature 8 sono "sfuggenti” vale a dire che esse tendono a raccordarsi alla superficie delle facce 7a, 7b, in modo da facilitare un arretramento futuro, in caso di bisogno. The flat faces 7a and 7b are, starting from the base 5, slightly converging in the direction of the sagittal reference plane S and each have grooves, grooves or the like 8, made longitudinally and parallel to each other, so as to favor further anchoring of the bone mass for reconstitution. In this regard, the metaphyseal part can, advantageously, be the object of a contribution of a coating of hydroxia suffered. The grooves 8 are of the non-blossoming type at the transverse end on the neck, to avoid any migration of particles upwards. Conversely, in the distal end, the grooves 8 are "elusive" that is to say that they tend to join the surface of the faces 7a, 7b, so as to facilitate future retraction, in case of need.
La parte metafisaria 4 è delimitata, trasversalmente alle facce 7a e 7b, da un bordo interno 9, di forma concava, estendentesi nel prolungamento del collo 2 per raccordarsi al codolo 6. Analogamente, la parte metafisaria è delimitata trasversalmente da un bordo 10, chiamato esterno, che prende origine a partire da uno spallamene 11 formato dalla base del collo 2 e raccordantesi, direttamente o tramite una successione di segmenti piani rettilinei, al codolo 6. The metaphyseal part 4 is delimited, transversely to the faces 7a and 7b, by an internal edge 9, of a concave shape, extending into the extension of the neck 2 to join the shank 6. Similarly, the metaphyseal part is delimited transversely by an edge 10, called external, which originates from a shoulder 11 formed by the base of the neck 2 and joining, directly or through a succession of straight flat segments, to the tang 6.
In ogni caso, l’asse generale A-A’ dello stelo 1 forma, con l’asse B-B’ del collo 2, un angolo a compreso tra 135° e 140°, e la base 5 di detto collo è orientata perpendicolarmente all’asse B-B’. In any case, the general axis A-A 'of the stem 1 forms, with the axis B-B' of the neck 2, an angle a comprised between 135 ° and 140 °, and the base 5 of said neck is oriented perpendicularly to axis B-B '.
Può essere previsto, come si nota in Fig. 2, di prolungare la base 5 del collo 2, e a partire dal bordo interno 9, mediante una patta o collarino d’appoggio 12 la cui funzione sarà illustrata successivamente. It can be envisaged, as can be seen in Fig. 2, to extend the base 5 of the neck 2, and starting from the inner edge 9, by means of a support flap or collar 12 whose function will be illustrated later.
La parte metafisaria 4 presenta, inoltre, arretrati dal suo bordo esterno 10, fori passanti 13 aprentesi sulle due facce 7a e 7b e praticati, preferibilmente, in modo rettilineo e parallelamente l’uno all’altro, secondo due direzioni che possono essere considerate come perpendicolari al piano P.P’. The metaphyseal part 4 also has, set back from its outer edge 10, through holes 13 opening on the two faces 7a and 7b and preferably made in a rectilinear way and parallel to each other, according to two directions which can be considered as perpendicular to the P.P 'plane.
Secondo un’altra disposizione dell’invenzione, il codolo 6 presenta una forma cilindrica di superficie liscia e di lunghezza tale che essa conferisce, alla protesi di ripresa secondo l’invenzione, una lunghezza assiale compresa tra 160 e 350 mm. Questa lunghezza è, ogni volta, scelta per corrispondere a circa 65% della lunghezza totale della protesi. La lunghezza assiale del codolo 6 è considerata come presa tra lo spallamento Il e l’estremità 14 del codolo 6. Tale estremità 14, di forma generalmente arrotondata, corrisponde, preferibilmente, ad una parte terminale 15 generalmente troncoconica o a forma di ogiva. According to another arrangement of the invention, the shank 6 has a cylindrical shape with a smooth surface and of such length that it gives, to the recovery prosthesis according to the invention, an axial length between 160 and 350 mm. This length is, each time, chosen to correspond to approximately 65% of the total length of the prosthesis. The axial length of the shank 6 is considered to be taken between the shoulder II and the end 14 of the shank 6. This end 14, of generally rounded shape, preferably corresponds to a generally frusto-conical or ogive-shaped terminal part 15.
In posizione arretrata dalla parte terminale 15, il codolo 6 presenta due fori passanti 16, paralleli fra loro e che sono praticati secondo direzioni perpendicolari a quelle dei fori 13 per essere, conseguentemente, orientati perpendicolarmente al piano di riferimento sagittale anatomico S. In a rearward position from the terminal part 15, the shank 6 has two through holes 16, parallel to each other and which are made in directions perpendicular to those of the holes 13 to consequently be oriented perpendicular to the anatomical sagittal reference plane S.
A titolo di esempio, la protesi di ripresa secondo l’invenzione può essere realizzata in lega di titanio TAGV secondo ISO 5832-3 o d’acciaio impiantabile tipo acciaio inossidabile Z6 CNM 21-09 forgiabile (M30NW) secondo ISO 5832-9. By way of example, the recovery prosthesis according to the invention can be made of TAGV titanium alloy according to ISO 5832-3 or implantable steel such as stainless steel Z6 CNM 21-09 forging (M30NW) according to ISO 5832-9.
La protesi d’anca descritta precedentemente è prevista per essere impiantata in un femore F il cui canale midollare 20 ha costituito l’oggetto di una rimessa nello stato naturale o di una pulitura prevista per eliminare le tracce di materiale legante o di cemento corrispondenti ad un impianto precedente. The hip prosthesis described above is foreseen to be implanted in a femur F whose medullary canal 20 has been the subject of a restoration in its natural state or of a cleaning foreseen to eliminate the traces of binding material or cement corresponding to a previous implant.
Il canale midollare 20 è trattato a tale proposito su una lunghezza largamente superiore a quella delle protesi abituali e, per accedere alla parte diafisaria del canale midollare, è previsto di tagliare, nella parte metafìsaria esterna del femore, una porzione o aletta V (Fig. 4) consentente un accesso alla parte interna metafìsaria svasata o configurata a tulipano e sopratutto un accesso in profondità al canale midollare 20. The medullary canal 20 is treated in this regard over a length much greater than that of the usual prostheses and, in order to access the diaphyseal part of the medullary canal, it is planned to cut, in the external metaphyseal part of the femur, a portion or fin V (Fig. 4) allowing access to the internal flared or tulip-shaped metaphyseal part and above all a deep access to the medullary canal 20.
Quando le operazioni preliminari di rimessa in stato sono state garantite, è pure previsto di conferire al canale midollare una sezione retta trasversale superiore a quella del codolo 6, e anche adattare, mediante resezione, la faccia interna della corticale interna della parte metafisaria del femore, per consentire un appoggio distribuito di cooperazione con il bordo interno concavo 9. Può pure essere previsto di ritagliare il piano di resezione iniziale, in modo da conferire ad esso uno stato favorente un appoggio eventuale con il collarino d’appoggio 12 che costituisce in tal caso un riscontro limitante l’impegno dell’asta nel canale midollare e consentente di trasmettere sollecitazioni al-l’osso al fine di consentire a quest’ultimo di ridinamizzarsi. When the preliminary restoration operations have been guaranteed, it is also envisaged to give the medullary canal a cross section greater than that of the shank 6, and also to adapt, by resection, the internal face of the internal cortex of the metaphyseal part of the femur, to allow a distributed cooperative support with the concave internal edge 9. It may also be envisaged to cut out the initial resection plane, so as to give it a favoring state of possible support with the support collar 12 which constitutes in this case a finding limiting the engagement of the rod in the medullary canal and allowing the transmission of stresses to the bone in order to allow the latter to re-dynamize.
La protesi secondo l’invenzione è impiantata, come è illustrato dalla Fig. 4, senza presenza di cemento, ma prevedendo un collegamento o un bloccaggio distale consistente nell’eseguire, nella parte distale esterna del femore, fori di passaggio di due viti 21, che sono impegnate, tramite questi fori, all’interno dei fori passanti 16 del codolo 6 per essere avvitate direttamente nella corticale interna del femore. The prosthesis according to the invention is implanted, as shown in Fig. 4, without the presence of cement, but providing for a distal connection or locking consisting in making, in the external distal part of the femur, passage holes for two screws 21, which are engaged, through these holes, inside the through holes 16 of the shank 6 to be screwed directly into the internal cortex of the femur.
Come risulta da Fig. 4, la protesi secondo l’invenzione è quindi impiantata direttamente nel canale midollare, essendo bloccata nella parte distale con appoggio simultaneo del bordo interno concavo 9 sulla faccia interna della corticale interna della parte metafisaria, appoggio eventualmente completato dall’arresto o dal riscontro garantito dal collarino 12. As shown in Fig. 4, the prosthesis according to the invention is therefore implanted directly in the medullary canal, being blocked in the distal part with simultaneous support of the concave internal edge 9 on the internal face of the internal cortex of the metaphyseal part, support possibly completed by the stop or by the feedback guaranteed by the collar 12.
L’aletta V preliminarmente tagliata è quindi ri-posizionata e legata, per un ulteriore consolidamento osseo, mediante due elementi di collegamento impegnati nei fori passanti 13, in modo a stabilire, tramite passaggio attraverso il tratto di taglio avente consentito lo stacco dell’aletta V, due cinture o cerchiature 22 unenti in modo solidale l’aletta o porzione V alla parte metafisa -ria 4 in una posizione stabile che è conferita dalla cooperazione tra il bordo interno e la corticale interna del femore e mediante il bloccaggio realizzato mediante le viti 21. The previously cut flap V is then re-positioned and tied, for further bone consolidation, by means of two connecting elements engaged in the through holes 13, so as to establish, by passing through the cut section having allowed the detachment of the flap V, two belts or hoops 22 integrally joining the flap or portion V to the metaphysical part 4 in a stable position which is conferred by the cooperation between the internal edge and the internal cortex of the femur and by means of the locking achieved by means of the screws 21.
In questa posizione stabile, la formazione del callo osseo ristabilisce rapidamente l’integrità tra il femore e l’aletta V. In this stable position, the formation of the callus quickly restores the integrity between the femur and the fin V.
Le disposizioni strutturali richiamate, associate alla protesi di ripresa precedente, consentono di realizzare la riabilitazione di un impianto protesico precedente soggetto ad alterazioni o a disfunzioni, senza che un simile reimpianto abbia a risentire delle disfunzioni dell’impianto precedente. Infatti, mediante il taglio dell’aletta V è possibile raggiungere un materiale osseo di buona qualità nella parte distale profonda del femore F e realizzare un bloccaggio mantenente, grazie alla grande lunghezza del codolo 6, un collegamento saldo e resistente favorente l’appoggio del bordo 9 sulla faccia interna della corticale interna della parte metafisaria del femore. The structural provisions referred to, associated with the previous restoration prosthesis, allow the rehabilitation of a previous prosthetic implant subject to alterations or dysfunctions to be carried out, without such replanting being affected by the malfunctions of the previous implant. In fact, by cutting the fin V it is possible to reach a good quality bone material in the deep distal part of the femur F and to achieve a locking maintaining, thanks to the great length of the shank 6, a firm and resistant connection favoring the support of the edge. 9 on the inner face of the inner cortex of the metaphyseal part of the femur.
In questo modo, una ricostituzione del materiale osseo intemo al canale midollare può aver luogo nelle migliori condizioni, analogamente allo ristabilimento della integrità della parte metafisaria del femore mediante riconsolidamento dell’aletta V immobilizzata in posizione stabile sulla parte metafisaria della protesi mediante cerchiature 22. In this way, a reconstitution of the bone material inside the medullary canal can take place in the best conditions, similarly to the restoration of the integrity of the metaphyseal part of the femur by reconsolidating the fin V immobilized in a stable position on the metaphyseal part of the prosthesis by means of hoops 22.
Claims (8)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9609601A FR2751528B1 (en) | 1996-07-24 | 1996-07-24 | HIP PROSTHESIS |
Publications (2)
Publication Number | Publication Date |
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ITTO970665A1 true ITTO970665A1 (en) | 1999-01-23 |
IT1293642B1 IT1293642B1 (en) | 1999-03-08 |
Family
ID=9494648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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IT97TO000665 IT1293642B1 (en) | 1996-07-24 | 1997-07-23 | HIP REPLACEMENT |
Country Status (4)
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DE (1) | DE29713206U1 (en) |
ES (1) | ES2121563B1 (en) |
FR (1) | FR2751528B1 (en) |
IT (1) | IT1293642B1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6200350B1 (en) | 1999-10-01 | 2001-03-13 | Medidea, Llc | Anti-impingement femoral prostheses |
FR2855395B1 (en) * | 2003-05-27 | 2006-02-24 | Faher Mohcine | FEMORAL IMPLANT OF HIP PROSTHESIS |
FR2865382B1 (en) * | 2004-01-23 | 2007-01-05 | Sem Sa | FEMALE ROD FOR HIP PROSTHESIS AND TOOL SET FOR ABLATION |
FR2868688A1 (en) * | 2004-04-09 | 2005-10-14 | Ct Pulse France Sa Sa | Femoral rod for hip prosthesis, has impaction lunula with opening having edge defined by spheroid that is generated by rotation of ellipse around one of transversal or longitudinal axes |
FR2875397B1 (en) * | 2004-09-23 | 2007-11-02 | Genie Medical Sgm Sa Soc D | IMPORTED IMPORTED FEMALE CURVENT ROD FOR HIP PROSTHESIS |
FR2911265B1 (en) * | 2007-01-16 | 2009-07-24 | Fournitures Hospitalieres Ind | PROTHETIC FEMALE ROD |
FR2941863B1 (en) * | 2009-02-10 | 2011-03-18 | Fournitures Hospitalieres Ind | RANGE OF PROTHETIC FEMALE RODS |
DE102010012462B4 (en) | 2010-03-24 | 2011-12-15 | Manssur Arbabian | A joint endoprosthesis |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1442990A (en) * | 1972-10-19 | 1976-07-21 | English T A | Prosthesis |
ZA771690B (en) * | 1977-04-21 | 1978-06-28 | C Grobbelaar | Improved hip joint |
FR2501998B1 (en) * | 1981-03-17 | 1985-09-13 | Babin Chevaye Jean | HIP PROSTHESIS INCLUDING IN PARTICULAR A FEMALE TAIL WITH A SUBSTANTIALLY CYLINDRICAL ZONE |
ATE25330T1 (en) * | 1983-08-29 | 1987-02-15 | Protek Ag | SHAFT FOR A HIP PROSTHESIS. |
US4871369A (en) * | 1987-11-23 | 1989-10-03 | Pfizer Hospital Products Group, Inc. | Long stem hip implant |
US4895572A (en) * | 1988-11-25 | 1990-01-23 | Ira Chernoff | Interlocking femoral prosthesis device |
FR2639821B1 (en) * | 1988-12-07 | 1997-10-03 | Implants Instr Ch Fab | FEMALE ELEMENT FOR HIP PROSTHESIS |
IT1250907B (en) * | 1990-06-22 | 1995-04-21 | Cremascoli G Srl | VARIABLE LOCKING PROSTHETIC REVISION STEM |
FR2687306B1 (en) * | 1992-02-13 | 1996-04-05 | Prolig Sa | FEMALE IMPLANT FOR HIP PROSTHESES. |
FR2705884B1 (en) * | 1993-06-03 | 1995-07-28 | Rech Fabrication Et | Set of femoral stems for total hip replacement. |
-
1996
- 1996-07-24 FR FR9609601A patent/FR2751528B1/en not_active Expired - Lifetime
-
1997
- 1997-07-22 ES ES9701633A patent/ES2121563B1/en not_active Expired - Fee Related
- 1997-07-23 IT IT97TO000665 patent/IT1293642B1/en active IP Right Grant
- 1997-07-24 DE DE29713206U patent/DE29713206U1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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ES2121563A1 (en) | 1998-11-16 |
IT1293642B1 (en) | 1999-03-08 |
FR2751528B1 (en) | 1999-04-09 |
FR2751528A1 (en) | 1998-01-30 |
ES2121563B1 (en) | 1999-07-16 |
DE29713206U1 (en) | 1997-10-02 |
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