FR2578162A1 - Cup for total prosthesis of the hip or of the shoulder - Google Patents
Cup for total prosthesis of the hip or of the shoulder Download PDFInfo
- Publication number
- FR2578162A1 FR2578162A1 FR8503713A FR8503713A FR2578162A1 FR 2578162 A1 FR2578162 A1 FR 2578162A1 FR 8503713 A FR8503713 A FR 8503713A FR 8503713 A FR8503713 A FR 8503713A FR 2578162 A1 FR2578162 A1 FR 2578162A1
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- Prior art keywords
- cup
- radial
- cup according
- peripheral edge
- bore
- 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.)
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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
- A61F2/40—Joints for shoulders
- A61F2/4081—Glenoid components, e.g. cups
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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
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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
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- 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
-
- 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
- A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
- A61F2002/3039—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove with possibility of relative movement of the rib within the groove
- A61F2002/30398—Sliding
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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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
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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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
- A61F2002/3054—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation about a connection axis or implantation axis for selecting any one of a plurality of radial orientations between two modular parts, e.g. Morse taper connections, at discrete positions, angular positions or continuous positions
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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
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
- A61F2002/30578—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
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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
- A61F2002/3082—Grooves
- A61F2002/30822—Circumferential grooves
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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
- A61F2002/3085—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with a threaded, e.g. self-tapping, bone-engaging surface, e.g. external surface
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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
- A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface
- A61F2002/3414—Polar protrusion, e.g. for centering two concentric shells
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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
- A61F2/40—Joints for shoulders
- A61F2002/4088—Acromial components
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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
- A61F2/40—Joints for shoulders
- A61F2002/4096—Coracoid process components
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- A—HUMAN NECESSITIES
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- 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
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
-
- 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
- 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
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
- A61F2250/0006—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting angular orientation
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- 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
Description
"Cupule pour prothèse totale de la hanche ou de l'épaule"
La présente invention concerne une cupule pour prothèse totale de la hanche ou de l'épaule."Cup for total hip or shoulder prosthesis"
The present invention relates to a cup for total prosthesis of the hip or shoulder.
On connaît des prothèses totales de la hanche comportant un élément fémoral destiné à remplacer la tête et le corps du fémur et présentant, pour cela, une tête sphérique et un élément cotyloidien constitué par une cupule hémisphérique destinée à se substituer à la cavité cotyloldienne et qui, à cet effet, est ancrée dans cette cavité préalablement agrandie par fraisage. Total hip prostheses are known comprising a femoral element intended to replace the head and the body of the femur and having, for this, a spherical head and an acetabular element constituted by a hemispherical cup intended to replace the acetabular cavity and which , for this purpose, is anchored in this cavity previously enlarged by milling.
De telles prothèses sont préconisées lorsque non seulement la tête du fémur est détériorée mais également la cavité cotyloidienne, et lorsque la détérioration de cette dernière est telle qu'elle est rendue inutilisable. Such prostheses are recommended when not only the head of the femur is damaged but also the acetabulum, and when the deterioration of the latter is such that it is rendered unusable.
La fixation de la cupule dans la cavité cotyloldienne est souvent assurée par un ciment, sa face externe présentant des aspérités destinées à assurer son ancrage dans le ciment. Ce mode de fixation présente cependant l'inconvénient de ne pas assurer une durée suffisante de la fixation en raison des descellements fréquents de la cupule par suite de chocs ou du vieillissement du ciment. The fixation of the cup in the acetabular cavity is often ensured by a cement, its external face having asperities intended to ensure its anchoring in the cement. This method of attachment, however, has the disadvantage of not ensuring sufficient duration of the attachment due to frequent loosening of the cup due to impact or aging of the cement.
Suivant un autre mode de fixation couramment utilise, la cupule présente des pattes radiales s'étendant vers l'extérieur depuis son bord périphérique, chaque patte étant pourvue de trous les traversant de part en part et permettant le passage de vis de fixation engagées dans les parties osseuses entourant la cavité cotyloidienne. According to another commonly used method of attachment, the cup has radial lugs extending outward from its peripheral edge, each lug being provided with holes passing right through them and allowing the passage of fixing screws engaged in the bone parts surrounding the acetabular cavity.
Cependant, lorsque les pertes osseuses sont importantes, la mise en place des vis aux endroits imposés par les pattes peut être rendue difficile, voire impossible, ce dont le praticien ne peut se rendre compte qu'en cours d'opération. However, when the bone losses are significant, the installation of the screws at the places imposed by the legs can be made difficult, even impossible, which the practitioner can only realize during the operation.
La présente invention vise à remédier à ces inconvénients en fournissant une cupule apte à servir non seulement d'élément cotyloldien dans une prothèse totale de la hanche mais également d'élément glénoldien dans une prothèse totale de l'épaule. The present invention seeks to remedy these drawbacks by providing a cup capable of serving not only as an acetabular element in a total hip prosthesis but also as a glenoldian element in a total shoulder prosthesis.
A cet effet, dans la cupule qu'elle concerne et qui est du type précité, c'est-à-dire pourvu de pattes radiales s'étendant vers l'extérieur depuis son bord périphérique, chaque patte est liée à la cupule de manière amovible et réglable en position angulaire. To this end, in the cup it relates to and which is of the aforementioned type, that is to say provided with radial lugs extending outwards from its peripheral edge, each lug is linked to the cup so removable and adjustable in angular position.
Cette disposition permet au praticien non seulement de choisir la meilleure position angulaire pour chaque patte radiale mais aussi d'adopter le nombre et la longueur de pattes convenant le mieux à l'état osseux rencontré. This arrangement allows the practitioner not only to choose the best angular position for each radial leg but also to adopt the number and length of legs best suited to the bone condition encountered.
Suivant une forme d'exécution simple de l'invention, pour permettre la fixation amovible des pattes radiales à la cupule et le meilleur choix de leur position angulaire, il est prévu, d'une part, à proximité du bord périphérique de la cupule, une gorge ouverte en direction de l'extérieur et présentant une section transversale en contre-dépouille et, d'autre part, chaque patte radiale présente, à son extrémité liée à la cupule, une section longitudinale de profil complémentaire de celui de la gorge, cette dernière comportant en outre au moins un élargissement permettant l'introduction et le retrait des extrémités considérées des pattes radiales. According to a simple embodiment of the invention, to allow the removable fixing of the radial lugs to the cup and the best choice of their angular position, provision is made, on the one hand, near the peripheral edge of the cup, a groove open in the direction of the outside and having a cross section undercut and, on the other hand, each radial tab has, at its end connected to the cup, a longitudinal section of profile complementary to that of the groove, the latter further comprising at least one widening allowing the introduction and removal of the ends considered from the radial lugs.
Comme cela est le cas pour les pattes radiales inamovibles des cupules connues, le métal les constituant et leur section sont choisis de manière à leur conférer une certaine déformabilité permettant au praticien de les plier ou de les couder en fonction des besoins. As is the case with the irremovable radial lugs of the known cups, the metal constituting them and their section are chosen so as to give them a certain deformability allowing the practitioner to bend or bend them as required.
Lorsque cette cupule est destinée à habiller la cavité glénoldienne de l'articulation de l'épaule, suivant une autre caractéristique de l'invention ayant pour but d'améliorer sa tenue dans cette cavité, elle est équipée, au voisinage de son sommet, d'un pion radial externe engageable dans l'alésage d'une bague extérieurement filetée, préalablement vissée dans le fond de la cavité glénoidienne et dont l'alésage sert de palier ou puits de guidage au pion. When this cup is intended to cover the glenoldian cavity of the shoulder joint, according to another characteristic of the invention intended to improve its hold in this cavity, it is equipped, in the vicinity of its top, with 'An external radial pin engaging in the bore of an externally threaded ring, previously screwed into the bottom of the glenoid cavity and whose bore serves as a bearing or guide well for the pin.
Le pion radial et l'alésage de la bague peuvent avoir une forme cylindrique permettant un engagement du premier dans le second à coulissement doux. Cependant, de préférence, ils ont un profil tronconique de pentes complémentaires permettant leur liaison par coincement réciproque en fin d'engagement du premier dans le second. The radial pin and the bore of the ring may have a cylindrical shape allowing engagement of the first in the second with smooth sliding. However, preferably, they have a frustoconical profile of complementary slopes allowing their connection by mutual wedging at the end of engagement of the first in the second.
De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemples non limitatifs, deux formes d'exécution de cette cupule
Figure 1 en est une vue en perspective éclatée
Figure 2 est une vue de face de la cupule seule
Figure 3 en est une vue en coupe axiale
Figure 4 est une vue de face d'un os iliaque gauche dont la cavité cotyloldienne est équipée de cette cupule ;
Figure 5 est une vue de face d'une omoplate gauche dont la cavité glénoîdienne est équipée de cette cupule ; et
Figure 6 est une vue en coupe axiale de la cupule glénoidienne suivant VI-VI de figure 5.Anyway, the invention will be better understood with the aid of the description which follows, with reference to the appended schematic drawing representing, by way of nonlimiting examples, two embodiments of this cup.
Figure 1 is an exploded perspective view
Figure 2 is a front view of the cup only
Figure 3 is an axial sectional view
Figure 4 is a front view of a left iliac bone whose acetabular cavity is equipped with this cup;
Figure 5 is a front view of a left shoulder blade whose glenoid cavity is equipped with this cup; and
Figure 6 is an axial sectional view of the glenoid cup along line VI-VI of Figure 5.
Comme le montre le dessin, et notamment les figures 1 à 3, la cupule (2) de l'invention est du type dont la fixation est assurée essentiellement par des pattes radiales (3) de section rectangulaire aplatie, dont chacune est fixée par l'une (3a) de ses extrémités au bord périphérique (2a) de la cupule (2) et dont chacune présente, au voisinage de son extrémité libre, un trou (4) la traversant de part en part, pour le passage de vis de fixation (5). As shown in the drawing, and in particular in FIGS. 1 to 3, the cup (2) of the invention is of the type, the fixing of which is ensured essentially by radial lugs (3) of flattened rectangular section, each of which is fixed by the 'one (3a) of its ends at the peripheral edge (2a) of the cup (2) and each of which has, in the vicinity of its free end, a hole (4) passing right through it, for the passage of screws fixing (5).
Comme le montrent plus particulièrement les figures 1 à 3, la cupule (2) présente, le long de la face externe de son bord périphérique (2a), une gorge (6) dont la section présente une contre-dépouille et qui, dans l'exemple illustré par le dessin, est en forme de L. Par ailleurs, Itextrémité (3a) de chaque patte radiale (3) est conformée de manière à présenter, en section longitudinale, un profil complémentaire qui, dans cet exemple, est évidemment en L. As shown more particularly in Figures 1 to 3, the cup (2) has, along the outer face of its peripheral edge (2a), a groove (6) whose section has an undercut and which, in the example illustrated by the drawing, is L-shaped. Furthermore, the end (3a) of each radial tab (3) is shaped so as to present, in longitudinal section, a complementary profile which, in this example, is obviously in L.
Dans l'exemple illustré sur la figure 1, le bord périphérique (2a) de la cupule (2) présente une échancrure (7) de manière à ne pas constituer, en cet endroit, une gêne pour les mouvements du membre équipé de cette prothèse d'articulation dont cette cupule est l'élément fixe. Il va de soi qu'il en résulte deux extrémités libres de la gorge (6) par chacune desquelles peut être engagée l'extrémité (3a) d'une patte radiale (3). Cependant, l'accessibilité des extrémités libres de la gorge (6) n'existe pas toujours après mise en place de la cupule dans la cavité cotyloîdienne ou glénoîdienne à laquelle elle est destinée. In the example illustrated in Figure 1, the peripheral edge (2a) of the cup (2) has a notch (7) so as not to constitute, at this location, a hindrance for the movements of the member equipped with this prosthesis articulation of which this cup is the fixed element. It goes without saying that this results in two free ends of the groove (6), each of which can be engaged with the end (3a) of a radial tab (3). However, the accessibility of the free ends of the throat (6) does not always exist after the cup has been placed in the acetabulum or glenoid cavity for which it is intended.
Pour cette raison, il est prévu une encoche (s) créant, dans la partie médiane de la gorge (6), un élargissement de son ouverture, élargissement par lequel une extrémité (3a) d'une patte (3) peut être engagée. For this reason, there is provided a notch (s) creating, in the middle part of the groove (6), a widening of its opening, widening by which one end (3a) of a tab (3) can be engaged.
Le praticien qui doit placer cette cupule dans la cavité cotyloldienne ou glénoldienne d'un patient peut donc choisir la longueur des pattes (3), leur nombre et leur répartition angulaire, en fonction de l'état des parties osseuses entourant cette cavité, de manière que chaque trou (4) d'une patte (3) se trouve en face de parties osseuses aptes à permettre un bon ancrage d'une vis (5). The practitioner who must place this cup in the acetabular or glenoldian cavity of a patient can therefore choose the length of the legs (3), their number and their angular distribution, depending on the state of the bony parts surrounding this cavity, so that each hole (4) of a tab (3) is located opposite bony parts capable of allowing good anchoring of a screw (5).
Il faut noter que la section très aplatie des pattes (3) les rend facilement déformables par le praticien qui peut de ce fait, au moment de la mise en place de la cupule (2), les couder ou les plier de manière à les rapprocher et à les présenter contre la partie osseuse de fixation dans les meilleurs conditions. It should be noted that the very flattened section of the legs (3) makes them easily deformable by the practitioner who can therefore, when placing the cup (2), bend or fold them so as to bring them together and to present them against the bone fixation part in the best conditions.
L'exemple illustré sur la figure 4 concerne une cupule cotyloldienne, c'est-à-dire constituant l'élément fixe d'une prothèse totale de la hanche. Dans cet exemple, la cupule (2) est fixée dans la cavité cotyloîdienne (9) d'une hanche (10), préalablement fraisée pour être agrandie au diamètre de la face externe de la cupule (2), au moyen de trois pattes (3) dont deux seulement sont visibles sur le dessin ; la patte centrale ou supérieure (3) est fixée à l'os iliaque (l0a) tandis que celle des deux pattes latérales (3) visible sur la figure 4 est fixée à l'os pubien (lOb), l'autre patte latérale (3) non visible sur le dessin étant elle-même fixée à l'ischion (1 Oc). The example illustrated in Figure 4 relates to an acetabulum, that is to say constituting the fixed element of a total hip prosthesis. In this example, the cup (2) is fixed in the cotyloid cavity (9) of a hip (10), previously milled to be enlarged to the diameter of the external face of the cup (2), by means of three tabs ( 3) only two of which are visible in the drawing; the central or upper leg (3) is fixed to the iliac bone (10a) while that of the two lateral legs (3) visible in FIG. 4 is fixed to the pubic bone (lOb), the other lateral leg ( 3) not visible in the drawing being itself fixed to the ischion (1 Oc).
Comme on le voit nettement sur la figure 4, le praticien a toute latitude pour adopter la position angulaire souhaitable des pattes (3) et les choisir à la longueur la mieux appropriée. As can be clearly seen in Figure 4, the practitioner is free to adopt the desired angular position of the legs (3) and choose them at the most appropriate length.
L'exemple illustré sur les figures 5 et 6 concerne une cupule glénoidienne, c'est-à-dire l'élément fixe d'une prothèse totale de l'épaule. The example illustrated in FIGS. 5 and 6 relates to a glenoid cup, that is to say the fixed element of a total prosthesis of the shoulder.
Cette cupule (22) est donc destinée à être fixée dans la cavité glénoT- dienne (11) d'une omoplate (12). Cette cupule (22) présente, comme la cupule (2) de l'exemple précédent, une gorge périphérique (6) de section en L, ouverte en direction de l'extérieur pour la mise en place de pattes radiales de fixation (3) similaires aux pattes (3) de l'exemple précédent.This cup (22) is therefore intended to be fixed in the glenoid cavity (11) of a scapula (12). This cup (22) has, like the cup (2) of the previous example, a peripheral groove (6) of L-shaped section, open towards the outside for the installation of radial fixing lugs (3) similar to the legs (3) of the previous example.
Dans le cas d'une cupule cotyloîdienne (22), la gorge (6) du bord périphérique (22a) est limitée à deux secteurs (13) et (14) relativement courts, séparés l'un de l'autre par deux importantes échancrures, l'une inférieure (27a) et l'autre supérieure (27b), destinées à permettre le débattement du bras du patient vers le haut ou vers le bas, sans aucune gêne. In the case of an acetabular cup (22), the groove (6) of the peripheral edge (22a) is limited to two relatively short sectors (13) and (14), separated from each other by two large notches , a lower one (27a) and the other upper one (27b), intended to allow the movement of the patient's arm up or down, without any discomfort.
Comme le montre la figure 5, la patte (3) rattachée au secteur (13) de la gorge (6) est destinée à être fixée sous l'acromion (15), tandis que la patte (3) rattachée au secteur (14) de la gorge (6) est destinée à être fixée sous la coracolde (16). As shown in Figure 5, the tab (3) attached to the sector (13) of the groove (6) is intended to be fixed under the acromion (15), while the tab (3) attached to the sector (14) the groove (6) is intended to be fixed under the coracolde (16).
Naturellement, dans les deux cas, les trous (44) des pattes (3) doivent être taraudés car l'engagement de leurs vis (55) ne peut se faire qu'en traversant, respectivement, l'acromion (15) et la coracoïde (16) depuis la face externe libre de ces derniers. Naturally, in both cases, the holes (44) of the legs (3) must be tapped because the engagement of their screws (55) can only be done by crossing, respectively, the acromion (15) and the coracoid (16) from the free external face of the latter.
Comme le montrent les figures 5 et 6, la présence des pattes (3) n'est pas suffisante pour permettre un bon ancrage de la cupule (22) dans la cavité glénoldienne (11) de l'omoplate. Pour cette raison, la cupule (22) comporte en outre avantageusement deux pattes latérales (18) et (19) sensiblement parallèles l'une à l'autre et rattachées à la face externe de la cupule (22), à proximité de son fond, de manière à pouvoir embrasser l'épaisseur de l'omoplate de part et d'autre de la cavité glénoidienne (Il) et lui être fixée par des vis (21). As shown in Figures 5 and 6, the presence of the legs (3) is not sufficient to allow good anchoring of the cup (22) in the glenoldian cavity (11) of the scapula. For this reason, the cup (22) also advantageously comprises two lateral tabs (18) and (19) substantially parallel to each other and attached to the external face of the cup (22), near its bottom. , so as to be able to embrace the thickness of the scapula on either side of the glenoid cavity (II) and be fixed to it by screws (21).
Comme le montre aussi la figure 6, la cupule (22) est également avantageusement équipée, au voisinage de son sommet, d'un pion radial (23) engagé dans l'alésage d'une bague (24) filetée extérieurement, préalablement vissée dans le fond de la cavité glénoidienne (11) et dont l'alésage (24a) sert de palier ou puits de guidage au pion (23). As also shown in FIG. 6, the cup (22) is also advantageously equipped, in the vicinity of its top, with a radial pin (23) engaged in the bore of an externally threaded ring (24), previously screwed into the bottom of the glenoid cavity (11) and whose bore (24a) serves as a bearing or guide well for the pin (23).
Le pion radial (23) et l'alésage de la bague (24) peuvent être cylindriques de manière à permettre un engagement à coulissement doux du premier dans le second. Cependant, de préférence, comme illustré sur le dessin, ils ont une forme tronconique de pentes complémentaires permettant leur liaison par coincement réciproque en fin d'engagement du premier dans le second. The radial pin (23) and the bore of the ring (24) can be cylindrical so as to allow a smooth sliding engagement of the first in the second. However, preferably, as illustrated in the drawing, they have a frustoconical shape of complementary slopes allowing their connection by mutual wedging at the end of engagement of the first in the second.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8503713A FR2578162A1 (en) | 1985-03-04 | 1985-03-04 | Cup for total prosthesis of the hip or of the shoulder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8503713A FR2578162A1 (en) | 1985-03-04 | 1985-03-04 | Cup for total prosthesis of the hip or of the shoulder |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2578162A1 true FR2578162A1 (en) | 1986-09-05 |
Family
ID=9317160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8503713A Withdrawn FR2578162A1 (en) | 1985-03-04 | 1985-03-04 | Cup for total prosthesis of the hip or of the shoulder |
Country Status (1)
Country | Link |
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FR (1) | FR2578162A1 (en) |
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US4959072A (en) * | 1988-01-14 | 1990-09-25 | Sulzer Brothers Limited | Implant for strengthening the edge of a hip bone |
DE3918970A1 (en) * | 1989-06-12 | 1990-12-13 | Eska Medical Gmbh & Co | IMPLANTATION KIT |
FR2651995A1 (en) * | 1989-09-15 | 1991-03-22 | Aubaniac Jean Manuel | Ring for acetabular implant |
EP0501207A1 (en) * | 1991-02-28 | 1992-09-02 | CHIROPRO GmbH | Acetabular cup |
US5176711A (en) * | 1991-03-06 | 1993-01-05 | Grimes James B | Acetabular revision system |
FR2686502A1 (en) * | 1992-01-23 | 1993-07-30 | Rech Fabrication Et | Uncemented and unscrewed cup for total hip prosthesis |
DE4205018C1 (en) * | 1992-02-19 | 1993-08-26 | Eska Medical Gmbh & Co, 2400 Luebeck, De | Artificial hip joint bearing shell - has bottom edge side opening to retain guiding pin, permitting alignment before inserting anchorage screws |
US5326367A (en) * | 1991-09-10 | 1994-07-05 | Howmedica Gmbh | Endoprosthesis for a cancer damaged pelvis |
EP0605368A1 (en) * | 1992-12-18 | 1994-07-06 | ITALPRO S.p.A. | Prosthesis cotyl cup element for reconstructing a hip acetabulum in a hip full recovery operation |
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US5507819A (en) * | 1994-11-02 | 1996-04-16 | Wolf; Eugene M. | Apparatus and method for stabilizing a humeral head in a shoulder |
US5522902A (en) * | 1994-03-09 | 1996-06-04 | Yuan; Hansen A. | Femoral component used in artificial knee joint |
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US5658347A (en) * | 1994-04-25 | 1997-08-19 | Sarkisian; James S. | Acetabular cup with keel |
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US8231683B2 (en) | 2009-12-08 | 2012-07-31 | Depuy Products, Inc. | Shoulder prosthesis assembly having glenoid rim replacement structure |
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US8465548B2 (en) | 2010-11-24 | 2013-06-18 | DePuy Synthes Products, LLC | Modular glenoid prosthesis |
US8480750B2 (en) | 2010-11-24 | 2013-07-09 | DePuy Synthes Products, LLC | Modular glenoid prosthesis |
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US8556980B2 (en) | 2004-09-27 | 2013-10-15 | DePuy Synthes Products, LLC | Glenoid augment and associated method |
US8808391B2 (en) | 2002-03-26 | 2014-08-19 | T.J. Smith & Nephew, Limited | Hip joint prosthesis |
US9149362B2 (en) | 2004-09-27 | 2015-10-06 | DePuy Synthes Products, Inc. | Instrument for preparing an implant support surface and associated method |
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US4743261A (en) * | 1986-01-27 | 1988-05-10 | Epinette Jean Alain | Tibial component for unicompartmental knee prosthesis for a cementness implantation |
US4959072A (en) * | 1988-01-14 | 1990-09-25 | Sulzer Brothers Limited | Implant for strengthening the edge of a hip bone |
US4919675A (en) * | 1988-02-26 | 1990-04-24 | Sulzer Brothers Limited | Hemispherical prosthetic acetabulum |
FR2634372A1 (en) * | 1988-07-20 | 1990-01-26 | Balay Bruno | Acetabular reconstruction module |
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