EP1399098A1 - Endoprothese de la hanche - Google Patents

Endoprothese de la hanche

Info

Publication number
EP1399098A1
EP1399098A1 EP01936722A EP01936722A EP1399098A1 EP 1399098 A1 EP1399098 A1 EP 1399098A1 EP 01936722 A EP01936722 A EP 01936722A EP 01936722 A EP01936722 A EP 01936722A EP 1399098 A1 EP1399098 A1 EP 1399098A1
Authority
EP
European Patent Office
Prior art keywords
shaft
endoprosthesis
grooves
length
femur
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01936722A
Other languages
German (de)
English (en)
Inventor
Rudolf Koch
Henning Sturz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biomet Merck GmbH
Original Assignee
Biomet Merck GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biomet Merck GmbH filed Critical Biomet Merck GmbH
Publication of EP1399098A1 publication Critical patent/EP1399098A1/fr
Withdrawn legal-status Critical Current

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
    • A61F2/30767—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
    • A61F2/3662—Femoral 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
    • A61F2/30767—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
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/3094—Designing or manufacturing processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—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
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3601—Femoral heads ; Femoral endoprostheses for replacing only the epiphyseal or metaphyseal parts of the femur, e.g. endoprosthetic femoral heads or necks directly fixed to the natural femur by internal fixation devices
    • 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
    • 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
    • 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
    • A61F2002/30205—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
    • A61F2002/30316—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
    • A61F2002/30326—The prosthesis having different structural features at different locations within the same prosthesis differing in height or in length
    • 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
    • A61F2002/3082—Grooves
    • A61F2002/30827—Plurality of 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
    • A61F2/30767—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
    • A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • A61F2002/30879—Ribs
    • 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
    • A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
    • A61F2002/30891—Plurality of protrusions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/30906—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth shot- sand- or grit-blasted
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
    • 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
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625—Necks
    • 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
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/365—Connections of heads to necks
    • 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
    • A61F2002/3678—Geometrical features
    • A61F2002/3686—Geometrical features bent
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0008—Rounded shapes, e.g. with rounded corners elliptical or oval
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical
    • 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
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0037—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in height or in length
    • 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
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00395—Coating or prosthesis-covering structure made of metals or of 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
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
    • A61F2310/00407—Coating made of titanium or of Ti-based 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
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
    • A61F2310/00419—Other metals
    • A61F2310/00544—Coating made of tantalum or Ta-based 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
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00574—Coating or prosthesis-covering structure made of carbon, e.g. of pyrocarbon
    • 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
    • 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
    • A61F2310/0097—Coating or prosthesis-covering structure made of pharmaceutical products, e.g. antibiotics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Definitions

  • the invention relates to a cementless hip endoprosthesis for the proximal femur.
  • Such prostheses have become known in a wide variety of forms. Some consist of a shaft that can be inserted into the femur with a curved extension and with at least approximately parallel grooves or ribs along the shaft surface.
  • Such a known structure has been made known, for example, by Link® under the name CFP® hip prosthesis socket (cf. DE-Ul-29705500 and WO-A-98/42279).
  • the inventor recognized as disadvantageous: a collar-shaped neck support is formed at the proximal end of the shaft, which is supported on the resected femoral neck and is said to contribute to good vertical pressure introduction.
  • neck supports can lead to bone degradation in the proximal femoral neck area or to micro-movements and loosening of the distal shaft portion relatively quickly as a result of overloading.
  • the collar-like support also prevents an optimal conical wedging of the "pressfit" shaft in the surgically produced cavity of the femur due to the axial displacement limitation due to mechanical overdetermination.
  • bone joint prostheses (femoral head prostheses) were dealt with (DE-C-837294), which had ribs and were relatively short.
  • these prostheses however, the support effect on the resected femoral neck was also assumed, in that the spherical head was made flat on its distal side and provided with ribs, so that it assumed a large part of the axial support on the femoral neck.
  • These known prostheses were straight and had only a short stay with the patient, so that this type of prosthesis was abandoned again.
  • a collar-shaped flange is also provided, which is supported on the femoral neck, which can lead to the problems specified.
  • Variants comparable to the CLS ® are specified in the following documents. They are all straight and relatively long and go in when inserted the area of the diaphysis: EP-A2-494040; EP-Al-669 116; EP-Al-821923 and FR-Al-2602672; the latter also having a collar-shaped support element.
  • Lameila ® see, for example: EP-Bl-222236; EP-Bl-378044
  • Lameila ® see, for example: EP-Bl-222236; EP-Bl-378044
  • these structures showed that the deep groove bases formed between the lamellae can often not be reached by bone material, but rather that instead of stable ingrowth, a build-up of connective tissue occurs in this area, which can contribute little to the transmission of force. For this reason, this previously viewed technology has not become established.
  • the invention has for its object to avoid the disadvantages indicated and to create an endoprosthesis that stresses the patient as little as possible, which nevertheless ensures optimal durability and power transmission and which requires as little removal of bone substance in the event of revisions.
  • the proximal end of the shaft is designed without a collar and in that the groove bottom in the proximal end ends in a shoulder shape.
  • the choice of a curved prosthesis brings optimal force transmission, simple surgical technique and a good fit.
  • the broad side of the shaft remains fully wedge-shaped and intentionally does not have the medial heel described in US-A-6120544 , which may prevent the advantageous ring tensions in the bone tube.
  • the Grooves or the ribs formed by them bring the known effects of good rotation and tilt protection of the shaft.
  • the shoulders on the proximal user which were used for the first time in this combination, serve to absorb axial forces in a function-securing manner, without overstretching the bone in some areas (overloading the bone).
  • the depth of the grooves is 0.5-3.5 mm. It has been shown that not too deep grooves are preferred for anchoring to the bone, in order to avoid the above-mentioned problems with insufficient incorporation of bone material in grooves that are too deep.
  • the depth of the grooves varies along their extent, since particularly good ingrowth is possible in at least some places.
  • a certain conical support effect can be achieved, which also has a positive effect on the axial transmission of force and additionally wedges the shaft.
  • the width of the grooves is advantageously 1.5-6.5 mm, the groove width preferably varying along its extent, preferably continuously.
  • the ratio of the width of the grooves to the width of the ribs in each of a plurality of cross sections perpendicular to the extension axis is preferably about 4-12, preferably 5-10, in particular 6-8.
  • an endoprosthesis according to the invention has at least one first group of grooves with a length of approximately 80-95% of the shaft length and, if appropriate, at least one second group of grooves with a length of approximately 60-75% of the shaft length.
  • the length of the shaft plays an important role in bone preservation for later revision work, as well as for radial force transmission between the prosthesis and bone.
  • the special design according to the invention therefore provides for the extension of the shaft in the implanted state to the intertrochanteric region of the femur, so that the length of the shaft in the implanted state is limited to the region of the metaphysis.
  • the overall length of the shaft is therefore preferably 15-30% of the length of the femur for which it is intended.
  • a symmetrical design is preferred insofar as it can then be used for both sides of a patient and the production and logistics are also simplified.
  • the shaft - as is known per se - is preferably conical over at least 90% of its longitudinal extent, the conicity preferably being 2-8 °.
  • the prosthesis according to the invention can also be attached to it
  • the surface roughness receives e.g. by means of corundum blasting or rough grinding, an Ra value of approx. between 3-5 ⁇ m.
  • the shaft is provided with a coating with an open-pore structure in particular over its entire length. This also results in a significant difference from the known endoprostheses, which usually have a polished, smooth section in the distal region.
  • the shaft is at least partially coated or constructed with an open-cell metal foam or metallized carbon foam, as was made known, for example, by Kaplan from US Pat. No. 5,282,861, the metal preferably being used Titanium or tantalum or an alloy with at least one of the two metals is provided.
  • the prostheses are manufactured using the forging or hot pressing process, they are characterized by their particular strength and surface stability, whereby a particularly simple and inexpensive process is a forging or hot pressing process for net-shaped blanks, so that the shaft is not reworked by machine got to.
  • the hot pressing process is optimized, with the additional effect that the grooves are not completely identical, which leads to bone ingrowth - possibly due to additional compression - is surprisingly advantageous.
  • the ribs are narrower than the grooves delimited by them, so that the bone has enough space to grow into the grooves and can penetrate there to the bottom of the groove, without complications being expected when it is subsequently removed for revision purposes.
  • the transitions between the ribs and the grooves are provided with radii of at least 0.6 mm, as a result of which the partial loading of the ingrown bone is reduced compared to angular, protruding or recessed corners.
  • Fig.l the schematic section through a preferred point-symmetrical or elliptical shaft cross-section
  • FIG. 3 shows the schematic section through a shaft according to Fig.l with inventive
  • FIG. 4 shows the schematic section through a variant of the shaft according to FIG. 3 with modified ribs
  • 6 shows a schematic valgus representation
  • 7 shows a schematic Varus representation
  • Fig. 8a symbolically a normal thigh bone
  • Fig. 8b symbolically shows a varicose-tipped thigh bone
  • FIG. 11 shows the view on the broad side of an endoprosthesis according to the invention.
  • FIG. 12 shows the view on the narrow side of the endoprosthesis according to FIG. 11 and FIG. 13 shows the view from the distal end of the endoprosthesis according to FIG.
  • a preferred embodiment of a shaft 2a, 2d according to the invention is provided with a point-symmetrical elliptical cross section and is curved only in one plane 9 (FIGS. 1, 3, 4, 11-13) ).
  • a line-symmetrical cross section of a shaft 2b according to FIG. 2 is possible. This shaft 2b is also to be used on the right and left only in the case of the plane 5 being curved.
  • Grooves 3c according to the embodiment according to FIG. 3 lie approximately radially with respect to the center of the elliptical cross section.
  • the ribs 4a formed between the grooves 3c thus protrude approximately in a star shape.
  • FIG. 4 shows grooves 3d with approximately parallel side walls 10a-10d. That is, in this construction, the ribs 4b formed between the grooves 3d do not protrude in a star shape.
  • a drop forging process is indicated, which due to the specially designed ribs 4b and grooves 3d can produce and shape the shaft 2d according to FIG. 4 in one working stroke (net-shape hot pressing).
  • FIG. 9 shows symbolically the femur 1 with an already resected femoral neck and indicated shaft 2 of the endoprosthesis according to the invention.
  • the length of the shaft 2 - in the preferred exemplary embodiments - is essentially limited to the area of the metaphysis 8 or to the intertrochanteric area 7, which is why only minimal problems arise in later revision work and as much substance as possible is retained from the bone. Due to the curved design of the shaft 2, the forces are optimally deflected into the femur despite the short length. The ribs and the elliptical cross-section also ensure optimum security against rotation.
  • the section according to FIG. 10 shows that in the preferred embodiments the transitions between grooves 3 and ribs 4 are concave or convex, or have a radius that keeps partial loads on the bone under full load on the shaft 2d low.
  • a cover 11 made of metal foam is shown symbolically, which enables an improved growth of the bone.
  • FIG. 8a shows a normal state of the femur la
  • FIG. 8b shows a varical and 8c a valgian femur.
  • Femoral head allows a patient to have a normal posture. If an insufficient conventional endoprosthesis causes the femoral head or the shaft of the prosthesis to sink to the side, the leg posture develops in a variable manner. If, on the other hand, the femoral head or the stem of the prosthesis is tilted towards the proximal side due to an axial drop of a stem, this leads to a valgular posture.
  • the states according to 8b and 8c are largely avoided by the inventive design of the shaft.
  • Fig.l 1-13 show an optimal endoprosthesis, as it can be used universally.
  • different grooves 3a or 3b can be seen, the former practically running the entire length of the shaft, while the second 3b begin further distally.
  • all grooves have - and preferably - axially supporting shoulders 13.
  • Metal foam (or porous metal structure) e.g. according to US-A-5'282'861

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne une endoprothèse de la hanche sans ciment pour le fémur (1). Cette endoprothèse comprend une tige courbée (2), pouvant être introduite dans le fémur (1), ainsi que des rainures (3) et nervures (4) au moins presque parallèle et concentrique, le long de la surface de la tige. Selon cette invention, l'extrémité proximale (5) de la tige (2) ne présente pas de rebord et le fond des rainures dans la zone proximale (6) d'au moins une partie des rainures (3b) s'étend en formant un épaulement, de manière à permettre un bon ajustement en cas de longueur totale courte.
EP01936722A 2001-06-13 2001-06-13 Endoprothese de la hanche Withdrawn EP1399098A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2001/001026 WO2002100302A1 (fr) 2001-06-13 2001-06-13 Endoprothese de la hanche

Publications (1)

Publication Number Publication Date
EP1399098A1 true EP1399098A1 (fr) 2004-03-24

Family

ID=11004116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01936722A Withdrawn EP1399098A1 (fr) 2001-06-13 2001-06-13 Endoprothese de la hanche

Country Status (3)

Country Link
US (1) US20040236430A1 (fr)
EP (1) EP1399098A1 (fr)
WO (1) WO2002100302A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2239289T3 (es) 2003-01-17 2005-09-16 WALDEMAR LINK GMBH & CO. KG Protesis de cadera con un vastago que ha de anclarse en el canal medular del femur.
EP1438932A1 (fr) 2003-01-17 2004-07-21 WALDEMAR LINK GmbH & Co. KG Prothèse de la hanche avec tige pour l'implantation dans le fémur
EP1498090A1 (fr) * 2003-07-16 2005-01-19 WALDEMAR LINK GmbH & Co. KG Prothèse de hanche avec une tige fémorale
GB2419291A (en) 2004-10-21 2006-04-26 Biomet Uk Ltd A femoral head prosthesis
GB0622930D0 (en) * 2006-11-16 2006-12-27 Benoist Girard Sas One-piece short femoral prosthesis
AU2008251118B2 (en) * 2007-05-09 2014-05-22 Biomet Uk Limited Metaphyseal hip prosthesis
ITMI20071185A1 (it) * 2007-06-13 2008-12-14 Reinhold Ganz Struttura di protesi femorale a resezione della testa femorale.
ITMI20071813A1 (it) * 2007-09-19 2009-03-20 Plus Orthopedics Italy S R L Stelo femorale di un'endoprotesi non cementata di tipo mini invasivo di un'articolazione coxofemorale ad alta stabilita' primaria e secondaria.
US20090299485A1 (en) * 2008-05-28 2009-12-03 Emmanuel Michelinakis Implant
GB2473184B (en) * 2009-08-27 2014-09-03 Biomet Uk Ltd A femoral neck prosthesis
GB2534141A (en) * 2015-01-13 2016-07-20 Imp Innovations Ltd Hip stem
AU2019244702B2 (en) 2018-03-26 2024-07-04 DePuy Synthes Products, Inc. Three-dimensional porous structures for bone ingrowth and methods for producing
CA3095542A1 (fr) 2018-03-30 2019-10-03 DePuy Synthes Products, Inc. Textures de surface pour structures poreuses tridimensionnelles pour interposition osseuse et procedes de production
ES2928465T3 (es) * 2018-03-30 2022-11-18 Depuy Synthes Products Inc Características de fijación híbridas para estructuras porosas tridimensionales para crecimiento interno óseo
CN114585330A (zh) 2019-09-25 2022-06-03 德普伊爱尔兰无限公司 用于骨向内生长的三维多孔结构及其制备方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE493526A (fr) 1949-04-25
US2718228A (en) * 1952-09-26 1955-09-20 Henri Georges Van Steenbrugghe Artificial femoral heads in prostheses
US3965490A (en) * 1974-11-14 1976-06-29 Howmedica, Inc. Femoral insert for hip joint prosthesis
CH656525A5 (de) * 1982-10-15 1986-07-15 Sulzer Ag Verankerungsschaft fuer die verankerung einer gelenkendoprothese.
ATE53480T1 (de) * 1983-08-30 1990-06-15 Sulzer Ag Verankerungsschaft fuer eine endoprothese.
CH663149A5 (en) * 1984-05-21 1987-11-30 Sulzer Ag Stem for a hip joint prosthesis
FR2573648B1 (fr) * 1984-11-28 1989-07-13 Rousseau Philippe Prothese lisse a rail sans ciment de l'extremite superieure du femur
US4714470A (en) * 1986-02-19 1987-12-22 Zimmer, Inc. Grooved prosthetic implant
CA1300811C (fr) * 1987-08-24 1992-05-19 Arden Rex Zolman Implant prothetique comportant une surface poreuse enroulee
IT1227215B (it) * 1988-09-23 1991-03-27 Cremascoli Spa G Protesi d'anca senza cemento, a resistenza incrementata
CH676664A5 (fr) * 1989-01-10 1991-02-28 Sulzer Ag
FR2655844B3 (fr) * 1989-12-14 1992-03-27 Biomecanique Integree Patte de fixation pour la partie male d'une rotule de prothese de hanche.
FR2666984B3 (fr) * 1990-09-21 1992-07-31 Impact Tige femorale de prothese totale de hanche a fixation primaire.
ES2027181A6 (es) 1991-01-02 1992-05-16 Pelegrin Sola Enrique Tallo femoral para protesis total de cadera.
FR2673833A1 (fr) * 1991-03-13 1992-09-18 Petit Roland Implant femoral.
FR2683717A1 (fr) * 1991-11-20 1993-05-21 Impact Est Tige femorale pour prothese totale de hanche.
US5282861A (en) * 1992-03-11 1994-02-01 Ultramet Open cell tantalum structures for cancellous bone implants and cell and tissue receptors
DE9401529U1 (de) 1994-01-26 1994-05-11 Artos Medizinische Produkte Gmbh, 12277 Berlin Oberschenkelteil für eine Hüftgelenk-Endoprothese
FR2720268B1 (fr) * 1994-05-24 1996-10-25 Implants Orthopediques Toutes Tige fémorale pour prothèse de hanche.
IT1287314B1 (it) * 1996-07-08 1998-08-04 Enrico Castaman Stelo femorale per protesi d'anca non cementato.
US6066176A (en) * 1996-07-11 2000-05-23 Oshida; Yoshiki Orthopedic implant system
AU732409C (en) 1996-11-29 2001-10-18 Mathys Medizinaltechnik Ag Femur component of a hip-joint endoprosthesis
DE29705498U1 (de) * 1997-03-26 1998-07-23 Waldemar Link (GmbH & Co.), 22339 Hamburg Hüftgelenkprothese
DE29705500U1 (de) 1997-03-26 1998-07-23 Waldemar Link GmbH & Co, 22339 Hamburg Hüftgelenkendoprothese
US6120544A (en) * 1997-05-16 2000-09-19 Eska Implants Gmbh & Co. Femur endoprosthesis for articial hip joint

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02100302A1 *

Also Published As

Publication number Publication date
WO2002100302A1 (fr) 2002-12-19
US20040236430A1 (en) 2004-11-25

Similar Documents

Publication Publication Date Title
EP1924208B1 (fr) Implant du femur
DE69225472T2 (de) Längliche hüftpfannenschale
EP0135755B1 (fr) Tige pour une prothèse de l'articulation de la hanche
EP0093378B1 (fr) Prothèse fémorale de l'articulation de la hanche
EP0159462B1 (fr) Partie fémorale d'une endoprothèse totale pour une articulation de la hanche
EP1399098A1 (fr) Endoprothese de la hanche
EP0311749A1 (fr) Partie fémorale d'une endoprothèse pour l'articulation de la hanche
EP0013863A1 (fr) Prothèse en forme de calotte destinée à être fixée sans ciment, notamment pour l'articulation de la hanche
DE112004001893B4 (de) Kegelförmige Gelenksprothese
EP0908158B1 (fr) Jeu de prothèses de dimensions différentes
EP0375599A2 (fr) Endoprothèse
CH637536A5 (de) Femurkomponente einer hueftendoprothese.
EP1168989B1 (fr) Prothese de tete d'articulation et pieces necessaires a sa realisation
EP0243585B1 (fr) Tige de prothèse pour l'implantation dans une cavité d'os et prothèse comportant cette tige
DE69904778T2 (de) Gelenkpfanne für Hüftprothese
DE10022260C2 (de) Endoprotheseteil für den Gelenkersatz, Verwendung des Endoprotheseteils und Herstellungsverfahren für Endoprotheseteile
EP0910315A1 (fr) Partie femorale pour prothese de la hanche
EP0238860B1 (fr) Partie fémorale d'une endoprothèse totale pour une articulation de la hanche
EP0187881A1 (fr) Cupule cotyloidienne de hanche
EP2259752B1 (fr) Élément prothétique pour une prothèse fémorale
EP0908159B1 (fr) Prothèse fémorale
DE10212982A1 (de) Verfahren zum Implantieren von Hüftgelenkendoprothesen und entsprechende Endoprothese
DE10130366A1 (de) Zementfreie Hüftgelenksendoprothese als Oberflächenersatz des proximalen Femurs
EP1357864B1 (fr) Endoprothese du col du femur pour articulation de la hanche artificielle
DE10224390B4 (de) Zementfreie Hüftgelenkpfanne

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040113

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20060103