FR2419717A1 - TOTAL HIP PROSTHESIS - Google Patents

TOTAL HIP PROSTHESIS

Info

Publication number
FR2419717A1
FR2419717A1 FR7831565A FR7831565A FR2419717A1 FR 2419717 A1 FR2419717 A1 FR 2419717A1 FR 7831565 A FR7831565 A FR 7831565A FR 7831565 A FR7831565 A FR 7831565A FR 2419717 A1 FR2419717 A1 FR 2419717A1
Authority
FR
France
Prior art keywords
cap
fixing
total hip
cement
bonded
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.)
Pending
Application number
FR7831565A
Other languages
French (fr)
Inventor
Alexander Ivanov Gertschev
Venelin Ivanov Maranov
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.)
Medizinska Akademia
Original Assignee
Medizinska Akademia
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 Medizinska Akademia filed Critical Medizinska Akademia
Publication of FR2419717A1 publication Critical patent/FR2419717A1/en
Pending legal-status Critical Current

Links

Classifications

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    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • A61F2002/3401Acetabular cups with radial apertures, e.g. radial bores for receiving fixation screws
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • A61F2002/3401Acetabular cups with radial apertures, e.g. radial bores for receiving fixation screws
    • A61F2002/3403Polar aperture
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3611Heads or epiphyseal parts of femur
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625Necks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625Necks
    • A61F2002/3631Necks with an integral complete or partial peripheral collar or bearing shoulder at its base
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3662Femoral shafts
    • A61F2002/3678Geometrical features
    • A61F2002/368Geometrical features with lateral apertures, bores, holes or openings, e.g. for reducing the mass, for receiving fixation screws or for communicating with the inside of a hollow shaft
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4631Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2220/00Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2220/00Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017Angular shapes
    • A61F2230/0019Angular shapes rectangular
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special 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
    • A61F2250/0036Special 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 thickness
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00011Metals or alloys

Abstract

a. Ensemble pour prothèse totale démontable de hanche, comportant deux cupules cotyloïdiennes, à savoir l'une à autofixation et l'autre susceptible d'être collée à l'aide d'un ciment, et deux tiges fémorales, à savoir l'une à autofixation et l'autre susceptible d'être collée à l'aide d'un ciment, les cupules et les tiges étant réunies ensemble en quatre combinaisons selon les nécessités cliniques par l'intermédiaire d'une calotte non métallique et d'un écrou de fixation. b. Il est caractérisé en ce que la calotte non métallique est montée de manière démontable dans un logement de la cupule cotyloidienne par l'intermédiaire de son col et de l'écrou vissé dans un pas de vis de la cupule, ladite calotte comportant sur sa périphérie conique, des entailles radiales formant une ouverture ayant la forme de 3/4 d'une sphère : l'écrou de fixation comportant une ouverture intérieure conique correspondant à la périphérie de la calotte tandis que les parties lisses de la tige comportent des canaux longitudinaux de forme ovale. c. Pour prothèses totales de hanche.at. Set for removable total hip prosthesis, comprising two acetabular cups, namely one with self-fixing and the other capable of being bonded using cement, and two femoral rods, namely one with self-fixing and the other can be bonded with cement, the cups and the rods being joined together in four combinations according to clinical needs by means of a non-metallic cap and a fixing nut . b. It is characterized in that the non-metallic cap is mounted in a removable manner in a housing of the acetabular cup by means of its neck and the nut screwed into a thread of the cup, said cap comprising on its periphery conical, radial notches forming an opening having the shape of 3/4 of a sphere: the fixing nut having a conical inner opening corresponding to the periphery of the cap while the smooth parts of the rod have longitudinal channels of Oval shape. vs. For total hip prostheses.

FR7831565A 1978-03-17 1978-11-08 TOTAL HIP PROSTHESIS Pending FR2419717A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG7839064A BG27580A1 (en) 1978-03-17 1978-03-17 Two- poled pelvis- thight articulation- set

Publications (1)

Publication Number Publication Date
FR2419717A1 true FR2419717A1 (en) 1979-10-12

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ID=3904474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831565A Pending FR2419717A1 (en) 1978-03-17 1978-11-08 TOTAL HIP PROSTHESIS

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JP (1) JPS54127195A (en)
BG (1) BG27580A1 (en)
CH (1) CH636261A5 (en)
CS (1) CS223355B1 (en)
DD (1) DD236853A3 (en)
DE (1) DE2839661A1 (en)
FR (1) FR2419717A1 (en)
GB (1) GB2029229B (en)
GR (1) GR66558B (en)
IT (1) IT7851238A0 (en)
PL (1) PL209835A1 (en)
RO (1) RO85055B (en)
SU (1) SU980709A1 (en)
TR (1) TR20171A (en)
YU (1) YU218678A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131178A2 (en) * 1983-06-27 1985-01-16 Waldemar Link (GmbH & Co.) Hip joint prosthesis with a femur anchoring shaft
FR2569978A1 (en) * 1984-09-10 1986-03-14 Fournier Jacques Andre IMPLANT FOR COXO-FEMORAL PROSTHESIS
FR2571610A1 (en) * 1982-02-24 1986-04-18 Pappas Michael IMPROVED SPHERICAL KINETIC JOINT FOR PROSTHETIC
FR2600527A1 (en) * 1986-06-24 1987-12-31 Setiey Louis Femoral part for hip prosthesis
FR2628314A1 (en) * 1988-03-11 1989-09-15 Osteal Medical Laboratoires Artificial loxo-femoral leg joint - with cotyle piece provided with spiked head to formally anchor part in bone
WO1989008436A1 (en) * 1988-03-15 1989-09-21 Dirk Victor Vermeire Hip prosthesis
FR2770770A1 (en) * 1997-11-07 1999-05-14 Fixano Trapezo-metacarpal articulation prostheses
EP0963741A3 (en) * 1998-05-12 2000-08-16 Enrico Tian Antiluxation Hip Prosthesis
US8123815B2 (en) 2008-11-24 2012-02-28 Biomet Manufacturing Corp. Multiple bearing acetabular prosthesis
US8308810B2 (en) 2009-07-14 2012-11-13 Biomet Manufacturing Corp. Multiple bearing acetabular prosthesis

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CH642839A5 (en) * 1980-01-14 1984-05-15 Sulzer Ag LEAF-LIKE SHAFT FOR A JOINT REPLACEMENT.
DE3147707A1 (en) * 1981-05-18 1982-12-23 Mecron Medizinische Produkte Gmbh, 1000 Berlin Part of a hip prosthesis
US4770661A (en) * 1982-01-18 1988-09-13 Indong Oh Conversion femoral endoprosthesis
GB2117646B (en) * 1982-04-07 1985-04-11 Nat Res Dev Endprosthetic bone joint devices
DE3213434C1 (en) * 1982-04-10 1983-10-27 Günther Dr.med. 7400 Tübingen Aldinger Process for the production of individually designed endoprostheses or implants
US4406023A (en) * 1982-04-19 1983-09-27 Harris William H Stemmed femoral component for the human hip
GB8310675D0 (en) * 1983-04-20 1983-05-25 Church J C M Endoprosthetic bone joint devices
US4552136A (en) * 1983-10-19 1985-11-12 Howmedica, Inc. Femoral rasp
US4846839A (en) * 1984-02-09 1989-07-11 Joint Medical Products Corporation Apparatus for affixing a prosthesis to bone
DE3426947C2 (en) * 1984-06-07 1986-10-16 Harry Prof. Dr.med. 1000 Berlin Buse Thigh part of a hip joint endoprosthesis
US4718911A (en) * 1986-02-19 1988-01-12 Pfizer Hospital Products Group Inc. Acetabular cup assembly
DE3701198A1 (en) * 1987-01-15 1988-07-28 Buse Harry HIPSTER IMPLANT
DE8810783U1 (en) * 1988-06-06 1988-10-20 Mecron Medizinische Produkte Gmbh, 1000 Berlin, De
US6332896B1 (en) 1994-07-14 2001-12-25 Ortho Development Corporation Orthopaedic implant with proximal collar
JPH10502847A (en) * 1994-07-14 1998-03-17 オーソ・ディベロプメント・コーポレーション Proximal conical stem
SK284754B6 (en) * 1999-05-13 2005-11-03 Marcel �It�Ansk� Cementless total replacement of the human hip joint
US6652590B1 (en) 2000-05-11 2003-11-25 Marcel Zitnansky Cementless total replacement of the human hip joint

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FR2210909A5 (en) * 1972-12-20 1974-07-12 Rambert Andre
FR2233976A1 (en) * 1973-05-08 1975-01-17 Saratovsky G Medits
FR2242065A1 (en) * 1973-08-31 1975-03-28 Oscobal Ag
FR2290882A1 (en) * 1974-11-14 1976-06-11 Howmedica INTRA-FEMORAL PROSTHESIS FOR COXO-FEMORAL JOINT

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FR2233976A1 (en) * 1973-05-08 1975-01-17 Saratovsky G Medits
FR2242065A1 (en) * 1973-08-31 1975-03-28 Oscobal Ag
FR2290882A1 (en) * 1974-11-14 1976-06-11 Howmedica INTRA-FEMORAL PROSTHESIS FOR COXO-FEMORAL JOINT

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2571610A1 (en) * 1982-02-24 1986-04-18 Pappas Michael IMPROVED SPHERICAL KINETIC JOINT FOR PROSTHETIC
EP0131178A2 (en) * 1983-06-27 1985-01-16 Waldemar Link (GmbH & Co.) Hip joint prosthesis with a femur anchoring shaft
EP0131178A3 (en) * 1983-06-27 1986-12-03 Waldemar Link Gmbh & Co Hip joint prosthesis with a femur anchoring shaft
US4645506A (en) * 1983-06-27 1987-02-24 Waldemar Link Gmbh & Co. Hip joint endoprosthesis with a stem to be anchored in the femur
FR2569978A1 (en) * 1984-09-10 1986-03-14 Fournier Jacques Andre IMPLANT FOR COXO-FEMORAL PROSTHESIS
EP0176421A1 (en) * 1984-09-10 1986-04-02 Jacques André Fournier Implant for a coxo-femoral prosthesis
US4659067A (en) * 1984-09-10 1987-04-21 Fournier Jacques A Implant for coxofemoral prosthesis
FR2600527A1 (en) * 1986-06-24 1987-12-31 Setiey Louis Femoral part for hip prosthesis
FR2628314A1 (en) * 1988-03-11 1989-09-15 Osteal Medical Laboratoires Artificial loxo-femoral leg joint - with cotyle piece provided with spiked head to formally anchor part in bone
WO1989008436A1 (en) * 1988-03-15 1989-09-21 Dirk Victor Vermeire Hip prosthesis
BE1001511A4 (en) * 1988-03-15 1989-11-14 Vermeire Dirk Victor HIP prosthesis.
US5004475A (en) * 1988-03-15 1991-04-02 Vermeire Dirk V Hip prosthesis
FR2770770A1 (en) * 1997-11-07 1999-05-14 Fixano Trapezo-metacarpal articulation prostheses
EP0963741A3 (en) * 1998-05-12 2000-08-16 Enrico Tian Antiluxation Hip Prosthesis
US8123815B2 (en) 2008-11-24 2012-02-28 Biomet Manufacturing Corp. Multiple bearing acetabular prosthesis
US9445903B2 (en) 2008-11-24 2016-09-20 Biomet Manufacturing, Llc Multi-bearing acetabular prosthesis
US8308810B2 (en) 2009-07-14 2012-11-13 Biomet Manufacturing Corp. Multiple bearing acetabular prosthesis
US9445904B2 (en) 2009-07-14 2016-09-20 Biomet Manufacturing, Llc Multiple bearing acetabular prosthesis

Also Published As

Publication number Publication date
DE2839661A1 (en) 1979-09-20
TR20171A (en) 1980-09-29
RO85055B (en) 1985-04-01
SU980709A1 (en) 1982-12-15
IT7851238A0 (en) 1978-09-26
CH636261A5 (en) 1983-05-31
PL209835A1 (en) 1979-07-16
CS223355B1 (en) 1983-10-28
DD236853A3 (en) 1986-06-25
BG27580A1 (en) 1979-12-12
GR66558B (en) 1981-03-27
JPS54127195A (en) 1979-10-02
GB2029229A (en) 1980-03-19
RO85055A (en) 1985-03-15
GB2029229B (en) 1982-12-22
YU218678A (en) 1982-06-30

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