WO2001076511A1 - Insert cotyloidien pour prothese totale de hanche - Google Patents
Insert cotyloidien pour prothese totale de hanche Download PDFInfo
- Publication number
- WO2001076511A1 WO2001076511A1 PCT/FR2001/001015 FR0101015W WO0176511A1 WO 2001076511 A1 WO2001076511 A1 WO 2001076511A1 FR 0101015 W FR0101015 W FR 0101015W WO 0176511 A1 WO0176511 A1 WO 0176511A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cup
- head
- alumina
- polyethylene
- insert according
- 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.)
- Ceased
Links
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
-
- 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
- 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
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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
- 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
- A61F2002/30362—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 with possibility of relative movement between the protrusion and the recess
- A61F2002/30364—Rotation about the common longitudinal axis
- A61F2002/30367—Rotation about the common longitudinal axis with additional means for preventing said rotation
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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
- 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
- A61F2002/30362—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 with possibility of relative movement between the protrusion and the recess
- A61F2002/3037—Translation along the common longitudinal axis, e.g. piston
- A61F2002/30373—Translation along the common longitudinal axis, e.g. piston with additional means for preventing said translation
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
- A61F2002/3065—Details of the ball-shaped head
- A61F2002/30652—Special cut-outs, e.g. flat or grooved cut-outs
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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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30649—Ball-and-socket joints
- A61F2002/30662—Ball-and-socket joints with rotation-limiting means
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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
- A61F2/30767—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
- A61F2002/30904—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed
-
- 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
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30957—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using a positive or a negative model, e.g. moulds
-
- 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
- A61F2002/30971—Laminates, i.e. layered products
- A61F2002/30973—Two joined adjacent layers having complementary interlocking protrusions and recesses
-
- 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
- A61F2002/3208—Bipolar or multipolar joints, e.g. having a femoral head articulating within an intermediate acetabular shell whilst said shell articulates within the natural acetabular socket or within an artificial outer shell
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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
- A61F2002/3233—Joints for the hip having anti-luxation means for preventing complete dislocation of the femoral head from the acetabular cup
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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
- A61F2/34—Acetabular cups
- A61F2002/3445—Acetabular cups having a number of shells different from two
- A61F2002/3448—Multiple cups made of three or more concentric shells fitted or nested into one another
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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
- A61F2/34—Acetabular cups
- A61F2002/348—Additional features
- A61F2002/3493—Spherical shell significantly greater than a hemisphere, e.g. extending over more than 200 degrees
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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
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/365—Connections of heads to necks
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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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections 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
-
- 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
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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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00203—Ceramics or ceramic-like structures based on metal oxides containing alumina or aluminium oxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00239—Ceramics or ceramic-like structures based on metal oxides containing zirconia or zirconium oxide ZrO2
Definitions
- the present invention relates to an acetabular insert for a total hip prosthesis.
- the deterioration of the cotyioid cavity frequently involves the installation of a total hip prosthesis.
- a prosthesis comprises, on the one hand, a femoral element having a medullary rod intended to be fixed to the bone inside the femur, and the free end of which is provided with a spherical head and, on the other hand hand, an acetabular element intended to be engaged and fixed in the acetabular cavity.
- the acetabular element delimits a spherical cavity receiving, with the possibility of pivoting, the spherical head of the femoral element.
- a known acetabular element in particular from document FR 2 710 836, consists of a core of material promoting sliding, most often of high density polyethylene, which delimits the cavity in which the spherical head is pivotally mounted.
- This polyethylene core is inserted into a metal cup fixed in the cotyioid cavity. Most of the movements are obtained by pivoting the spherical head inside the core. However, in certain large amplitude movements, the polyethylene cup can also pivot inside the metal cup. It is thus possible to obtain a double mobility of the spherical head relative to the cotyioid cavity.
- Patent application FR 99 08 1 94 describes a total hip prosthesis, in which the surfaces in contact with the head and the core are made of materials with hard friction.
- the object of the invention is to provide a total hip prosthesis allowing dual mobility, on the one hand, of the spherical head relative to the nucleus and, on the other hand, of the nucleus relative to the cotyioid cavity, which limits the risks of dislocation and which has a significant longevity.
- the prosthesis that it relates to, of the type comprising a spherical head disposed at one end of a medullary rod intended to be fixed to the bone inside the femur, and mounted articulated inside '' a core, itself mounted articulated inside an acetabular component constituted for example by a metal cup fixed in the cotyioid cavity, the spherical head is made of zirconia and the core includes an inner cup which, intended for mounting the spherical head, consists of an alumina cup on which is immobilized a polyethylene cup overmolded on the cup in alumina, and in that the spherical head is arranged to be able to be engaged without constraint in the inner cup and to be able to be retained directly in this cup, without action of the outer polyethylene cup.
- the retention of the head in the cup is ensured by the inner cup without the use of any elastic retention by the outer polyethylene cup.
- the alumina cup has, from its bottom and in the direction of its opening, a portion of spherical surface with the same radius as that of the head of the femoral element, extending over more than a half-sphere, and extended below its equatorial plane by a cylindrical portion of diameter less than that of the head of the femoral element.
- the head comprises, on a part of its surface, at least one zone of material withdrawal relative to the spherical surface, corresponding to a reduction in diameter to a value less than the diameter of the inlet of the inner cup, to allow effortless passage of the head into the inlet thereof, in a position in which the mounting axis of the head on the neck of a femoral stem is inclined relative to the axis of the entry.
- the polyethylene cup has a return covering at least partially the edge of the alumina cup delimiting the opening thereof. This return of the polyethylene cup serves as a stop for the neck of the femoral stem during significant inclinations thereof.
- the return of the polyethylene cup includes an inlet of generally conical shape which widens outwards.
- the latter has a certain number of flats formed on its periphery and comprises at least one annular and peripheral groove perpendicular to its axis.
- the zirconia head has a frustoconical recess with a taper of the order of 4 °, allowing it to be mounted on a neck of corresponding taper belonging to a femoral stem.
- This low taper makes it possible to generate significant frictional forces opposing the expulsion of the zirconia head from the scope of the femoral neck, without needing for this a significant axial impaction force, which would be detrimental to the good mechanical strength of the zirconia head.
- This insert can be mounted in a metal cup fixed in the cotyioid cavity by lugs or studs, or forcefully engaged in this cavity.
- a prosthesis has the advantages of dual mobility, as well as the advantages of hard friction, zirconia-alumina, having a low wear rate, and avoiding the release of polyethylene, as is the case when the head of the prosthesis is engaged in a polyethylene cup. This results in a considerably increased lifetime of the prosthesis compared to a prosthesis comprising metal-polyethylene or alumina-polyethylene friction, while avoiding the drawbacks resulting from the release of polyethylene particles inside the organism.
- Figure 1 is an exploded perspective view of the various parts of this insert
- Figure 2 is a sectional view of the core along the line II-II of Figure 1;
- Figure 3 is a sectional view during the introduction phase of the prosthesis head inside the core;
- Figure 4 is a sectional view of the prosthesis in the implanted position.
- the prosthesis shown in the drawing comprises a spherical head 2 mounted at one end of a medullary rod, not shown in the drawing, intended to be fixed to the bone inside the femur.
- Head 2 is mounted on the medullary rod via a conical neck 3 secured to the rod, with a cone cone of the order of 4 °, engaged in a recess 4 in the head 2.
- the head 2 has, on its outer face , two zones 5 of material withdrawal arranged symmetrically, and centered on a plane perpendicular to the entry of the recess 4.
- the head 2 is intended to be mounted articulated inside a core 6 comprising an alumina cup 7 on which is molded a cup of high density polyethylene 8.
- Figure 1 is a very schematic and theoretical view, insofar as the cup 8 does not exist as such and independently, since it is molded on the cup 7.
- the cup 7, which is made of alumina, comprises, on its outer face, several flats 9 as well as a peripheral annular groove 10.
- the flats 9 and the groove 10 aim to ensure excellent blocking of the cup in polyethylene 8 on the cup at a lumine 7.
- the polyethylene cup has a return 12 partially covering the edge of the cup 7 delimiting the opening thereof.
- the return 1 2 has a conical entry 1 3 flared outwards.
- the alumina cup has, from its bottom and in the direction of its entry or opening, a spherical surface portion 14 of the same radius as that of the head 2 of the femoral element extending over more than half a sphere and extended by a cylindrical portion 1 5 of diameter smaller than that of the head of the femoral element.
- the head 2 of zirconia inside the cup 7 of alumina by virtue of the areas of material withdrawal that the head comprises.
- These material withdrawal zones in fact provide, at their level, a section which is smaller than the section of the inlet of the cup 7 in its cylindrical portion 1 5.
- This insert can be mounted in a metal cup 1 6, for example a cup engaged in force and maintained by notches 1 7 in the bone 1 8 in which is formed the cotyioid cavity. It can be noted that, as shown in FIG. 4, the return 12 of the cup 8 in polyethylene stop form for the neck 3 of the medullary rod, when movements of large amplitude are carried out.
- the invention brings a great improvement to the existing technique by providing an acetabular insert for total hip prosthesis, the lifespan of which is very important, insofar as friction takes place between the zirconia of the spherical head and the alumina of a cup, the mobility being increased thanks to the possibility of pivoting of the polyethylene cup inside the metal cup 16 fixed in the basin.
- the invention is not limited to the sole embodiment of this acetabular insert, described above by way of example, on the contrary it embraces all variants.
- the means for blocking the polyethylene cup on the alumina cup could be different and constituted not by flats and by a groove but by hollow cavities, that the return of the polyethylene cup could have a different shape, that the alumina cup could have a chamfer at its entry, or that the polyethylene cup could be mounted in a metal cup fixed otherwise than by force in the cotyioid cavity, without being so far from the scope of the invention.
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)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01921477A EP1267754A1 (fr) | 2000-04-06 | 2001-04-04 | Insert cotyloidien pour prothese totale de hanche |
| US10/240,959 US20030171817A1 (en) | 2000-04-06 | 2001-04-04 | Cotyloid insert for total hip prosthesis |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR00/04421 | 2000-04-06 | ||
| FR0004421A FR2807315B1 (fr) | 2000-04-06 | 2000-04-06 | Insert cotyloidien pour prothese totale de la hanche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001076511A1 true WO2001076511A1 (fr) | 2001-10-18 |
Family
ID=8848955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/001015 Ceased WO2001076511A1 (fr) | 2000-04-06 | 2001-04-04 | Insert cotyloidien pour prothese totale de hanche |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20030171817A1 (fr) |
| EP (1) | EP1267754A1 (fr) |
| FR (1) | FR2807315B1 (fr) |
| WO (1) | WO2001076511A1 (fr) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058597A3 (fr) * | 2001-01-25 | 2003-10-30 | Smith & Nephew Inc | Systeme de retenue servant a maintenir un element de prothese |
| FR2843294A1 (fr) * | 2002-08-06 | 2004-02-13 | Louis Setiey | Insert a double mobilite et implant comprenant un tel insert |
| US6916342B2 (en) | 2002-04-01 | 2005-07-12 | Smith & Nephew, Inc. | Liner assembly for prosthetic components |
| EP1582182A1 (fr) * | 2004-04-02 | 2005-10-05 | Benoist Girard Sas | Articulation prothétique de hanche |
| US7179296B2 (en) | 2003-04-02 | 2007-02-20 | Howmedica Osteonics Corp. | Partially constrained ball and socket |
| US7455694B2 (en) | 2005-10-20 | 2008-11-25 | Benoist Girard Sas | Acetabular cup for a hip prosthesis |
| US7955395B2 (en) | 2004-03-11 | 2011-06-07 | Smith & Nephew, Inc. | Universal liner |
| WO2015051476A1 (fr) * | 2013-10-13 | 2015-04-16 | Startech Engineering Ag | Ensemble prothèse d'épaule |
| US9445904B2 (en) | 2009-07-14 | 2016-09-20 | Biomet Manufacturing, Llc | Multiple bearing acetabular prosthesis |
| US9445903B2 (en) | 2008-11-24 | 2016-09-20 | Biomet Manufacturing, Llc | Multi-bearing acetabular prosthesis |
| US11033395B2 (en) | 2017-02-02 | 2021-06-15 | Howmedica Osteonics Corp. | Constrained shell for modular dual mobility system |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020120340A1 (en) | 2001-02-23 | 2002-08-29 | Metzger Robert G. | Knee joint prosthesis |
| US7497874B1 (en) | 2001-02-23 | 2009-03-03 | Biomet Manufacturing Corp. | Knee joint prosthesis |
| FR2827154B1 (fr) * | 2001-07-16 | 2004-04-30 | Jean Yves Lazennec | Implant cotyloidien pour prothese de hanche |
| DE10244439A1 (de) * | 2002-09-24 | 2004-03-25 | Mathys Orthopädie GmbH | Keramische Endoprothesenkomponenten und Verfahren zu ihrer Herstellung |
| FR2850861B1 (fr) * | 2003-02-12 | 2005-09-30 | Ortho Id | Systeme d'implants a triple articulation de type spherique pour membre superieur ou inferieur |
| US7108720B2 (en) * | 2003-03-31 | 2006-09-19 | Depuy Products, Inc. | Reduced wear orthopaedic implant apparatus and method |
| US8163029B2 (en) * | 2004-06-30 | 2012-04-24 | Depuy Products, Inc. | Extended radius prosthesis and associated method |
| EP1781214B1 (fr) | 2004-08-09 | 2020-06-03 | Ortho - I.D. Sarl | Système d'implants à triple articulation du type sphérique pour membre supérieur ou inférieur |
| DE102007031667A1 (de) * | 2006-08-04 | 2008-02-14 | Ceramtec Ag Innovative Ceramic Engineering | Einfügen von schwingungsdämpfenden Elementen in Prothesensysteme zur Manipulation und Dämpfung der Eigenfrequenzen |
| US8328873B2 (en) | 2007-01-10 | 2012-12-11 | Biomet Manufacturing Corp. | Knee joint prosthesis system and method for implantation |
| US8562616B2 (en) | 2007-10-10 | 2013-10-22 | Biomet Manufacturing, Llc | Knee joint prosthesis system and method for implantation |
| US8163028B2 (en) | 2007-01-10 | 2012-04-24 | Biomet Manufacturing Corp. | Knee joint prosthesis system and method for implantation |
| US8187280B2 (en) | 2007-10-10 | 2012-05-29 | Biomet Manufacturing Corp. | Knee joint prosthesis system and method for implantation |
| EP2104474B1 (fr) | 2007-01-10 | 2012-08-29 | Biomet Manufacturing Corp. | Système de prothèse d'articulation de genou |
| ATE445499T1 (de) | 2007-12-04 | 2009-10-15 | N C A Technologies | Keramik-abformverfahren und durch dieses verfahren erhaltenes verbundelement |
| US9216085B2 (en) * | 2008-02-28 | 2015-12-22 | Biopoly, Llc | Partial joint resurfacing implant, instrumentation, and method |
| US9168065B2 (en) * | 2008-04-30 | 2015-10-27 | Moximed, Inc. | Ball and socket assembly |
| ES2793926T3 (es) * | 2008-04-30 | 2020-11-17 | Moximed Inc | Conjunto de bola y receptáculo |
| WO2010129880A2 (fr) * | 2009-05-07 | 2010-11-11 | Smith & Nephew, Inc. | Têtes d'essai modulaires pour un prothèse |
| EP2451389B1 (fr) * | 2009-07-10 | 2015-08-19 | Kirk Promotion LTD. | Prothèse de hanche |
| US8398718B2 (en) | 2011-02-16 | 2013-03-19 | Rodney Ian Walter Richardson | Acetabular cup with rotatable bearing member |
| US8465549B2 (en) * | 2011-02-16 | 2013-06-18 | Rodney Ian Walter Richardson | Acetabular cup with rotatable bearing |
| US9023112B2 (en) * | 2011-02-24 | 2015-05-05 | Depuy (Ireland) | Maintaining proper mechanics THA |
| US8858645B2 (en) | 2012-06-21 | 2014-10-14 | DePuy Synthes Products, LLC | Constrained mobile bearing hip assembly |
| DE202015100029U1 (de) * | 2015-01-07 | 2015-03-19 | Waldemar Link Gmbh & Co. Kg | Double mobility prothese |
| US10849759B2 (en) * | 2017-03-13 | 2020-12-01 | Floyd G. Goodman | Ceramic multi-hooded enarthrodial joint implant |
| US11583405B2 (en) | 2017-03-13 | 2023-02-21 | Floyd G. Goodman | Hard substance multi-hooded enarthrodial joint implant |
| GB2585049A (en) * | 2019-06-26 | 2020-12-30 | L Univ Ta Malta | A prosthetic implant |
| DE102020210033A1 (de) * | 2020-08-07 | 2022-02-10 | Aesculap Ag | Kugelgelenkendoprothese |
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| FR2710836A1 (fr) * | 1993-10-06 | 1995-04-14 | Rambert Andre | Elément cotyloïdien de prothèse totale de hanche, implantable sans ciment. |
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| AU783205C (en) * | 2000-03-15 | 2006-08-17 | Depuy Orthopaedics, Inc. | Prosthetic cup assembly which includes components possessing self-locking taper |
| US6652586B2 (en) * | 2001-07-18 | 2003-11-25 | Smith & Nephew, Inc. | Prosthetic devices employing oxidized zirconium and other abrasion resistant surfaces contacting surfaces of cross-linked polyethylene |
-
2000
- 2000-04-06 FR FR0004421A patent/FR2807315B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-04 US US10/240,959 patent/US20030171817A1/en not_active Abandoned
- 2001-04-04 WO PCT/FR2001/001015 patent/WO2001076511A1/fr not_active Ceased
- 2001-04-04 EP EP01921477A patent/EP1267754A1/fr not_active Withdrawn
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| FR2710836A1 (fr) * | 1993-10-06 | 1995-04-14 | Rambert Andre | Elément cotyloïdien de prothèse totale de hanche, implantable sans ciment. |
| US5549681A (en) * | 1994-04-26 | 1996-08-27 | Zsuzsa Cserhati | Articulated prosthesis |
| WO1997031592A2 (fr) * | 1996-03-01 | 1997-09-04 | Saint-Gobain Industrial Ceramics, Inc. | Prothese de la hanche ayant une tete en zircone et une emboiture en ceramique |
| EP0803234A1 (fr) * | 1996-04-23 | 1997-10-29 | Biomet Limited | Coques acétabilaires et méthodes pour les fabriquer |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002058597A3 (fr) * | 2001-01-25 | 2003-10-30 | Smith & Nephew Inc | Systeme de retenue servant a maintenir un element de prothese |
| US8790412B2 (en) | 2001-01-25 | 2014-07-29 | Smith & Nephew, Inc. | Containment system for constraining a prosthetic component |
| US7335231B2 (en) | 2001-01-25 | 2008-02-26 | Smith & Nephew, Inc. | Containment system for constraining a prosthetic component |
| US8029571B2 (en) | 2001-01-25 | 2011-10-04 | Smith & Nephew, Inc. | Containment system for constraining a prosthetic component |
| US8029572B2 (en) | 2001-01-25 | 2011-10-04 | Smith & Nephew, Inc. | Containment system for constraining a prosthetic component |
| US7749277B2 (en) | 2001-01-25 | 2010-07-06 | Smith & Nephew, Inc. | Containment system for constraining a prosthetic component |
| US6916342B2 (en) | 2002-04-01 | 2005-07-12 | Smith & Nephew, Inc. | Liner assembly for prosthetic components |
| US7160332B2 (en) | 2002-04-01 | 2007-01-09 | Smith & Nephew, Inc. | Line assembly for prosthetic components |
| FR2843294A1 (fr) * | 2002-08-06 | 2004-02-13 | Louis Setiey | Insert a double mobilite et implant comprenant un tel insert |
| US7179296B2 (en) | 2003-04-02 | 2007-02-20 | Howmedica Osteonics Corp. | Partially constrained ball and socket |
| US7955395B2 (en) | 2004-03-11 | 2011-06-07 | Smith & Nephew, Inc. | Universal liner |
| US7520902B2 (en) | 2004-04-02 | 2009-04-21 | Benoist Girard Sas | Prosthetic femoral joint |
| EP1582182A1 (fr) * | 2004-04-02 | 2005-10-05 | Benoist Girard Sas | Articulation prothétique de hanche |
| US7455694B2 (en) | 2005-10-20 | 2008-11-25 | Benoist Girard Sas | Acetabular cup for a hip prosthesis |
| US9445903B2 (en) | 2008-11-24 | 2016-09-20 | Biomet Manufacturing, Llc | Multi-bearing acetabular prosthesis |
| US9445904B2 (en) | 2009-07-14 | 2016-09-20 | Biomet Manufacturing, Llc | Multiple bearing acetabular prosthesis |
| WO2015051476A1 (fr) * | 2013-10-13 | 2015-04-16 | Startech Engineering Ag | Ensemble prothèse d'épaule |
| US9925053B2 (en) | 2013-10-13 | 2018-03-27 | 41Hemiverse Ag | Joint implant |
| US9999513B2 (en) | 2013-10-13 | 2018-06-19 | 41Hemiverse Ag | Shoulder prosthesis assembly |
| US11033395B2 (en) | 2017-02-02 | 2021-06-15 | Howmedica Osteonics Corp. | Constrained shell for modular dual mobility system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1267754A1 (fr) | 2003-01-02 |
| FR2807315B1 (fr) | 2003-01-17 |
| FR2807315A1 (fr) | 2001-10-12 |
| US20030171817A1 (en) | 2003-09-11 |
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