ELEMENT COTYLOIDIEN DE PROTHESE DE HANCHE, ET PROTHESE TOTALE DE HANCHE LE COMPORTANT

L'invention concerne un composant cotyloïdien de prothèse de hanche, creux et en forme de cupule, dont la partie externe comporte un filetage pour permettre sa fixation dans l'os iliaque, ledit filetage comportant un double filet (20, 21) auto-taraudant interrompu, ledit composant cotyloid...

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Hauptverfasser: CAMILLERI JEAN PHILIPPE, THEILLIEZ BORIS, LIMOZIN RODOLPHE, PROVOST GILLES, DOYCINOVICH SERGE, CHANZY NICOLAS, FARISON FREDERIC, ADAM PHILIPPE, PHILIPPOT REMI, FAVRE ERIC
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creator CAMILLERI JEAN PHILIPPE
THEILLIEZ BORIS
LIMOZIN RODOLPHE
PROVOST GILLES
DOYCINOVICH SERGE
CHANZY NICOLAS
FARISON FREDERIC
ADAM PHILIPPE
PHILIPPOT REMI
FAVRE ERIC
description L'invention concerne un composant cotyloïdien de prothèse de hanche, creux et en forme de cupule, dont la partie externe comporte un filetage pour permettre sa fixation dans l'os iliaque, ledit filetage comportant un double filet (20, 21) auto-taraudant interrompu, ledit composant cotyloidien comportant un pôle supérieur effacé (1), un revêtement favorisant l'ostéo-intégration sur sa face externe (10), une surface interne concave sensiblement hémi-sphérique polie (11), et caractérisé en ce que :(a) le pas des filetages (20, 21) est décroissant du pôle supérieur (1) vers la périphérie équatoriale (3) du composant cotyloïdien,(b) les épaisseurs des filets (20, 21) sont croissantes du pôle supérieur (1) du composant cotyloïdien vers sa périphérie (3),(c) l'arête des filets (20, 21) est coupante du côté du pôle (1) du composant cotyloïdien et arrondie ou sensiblement trapézoïdale du côté de la périphérie équatoriale (3) du composant cotyloïdien. The invention relates to a cotyloid component of a hip prosthesis, said cotyloid component being hollow and in the form of a cup whose outer part has a thread allowing it to be fixed in the iliac bone, said thread being a discontinuous self-cutting double thread (20, 21), and said cotyloid component having a flattened upper pole (1), a coating that promotes osseointegration on its outer face (10), and a concave, substantially hemispherical and polished inner surface (11), characterized in that: (a) the pitch of the threads (20, 21) decreases from the upper pole (1) towards the equatorial periphery (3) of the cotyloid component, (b) the thicknesses of the threads (20, 21) increase from the upper pole (1) of the cotyloid component towards its periphery (3), (c) the crest of the threads (20, 21) is sharp towards the pole (1) of the cotyloid component and rounded or substantially trapezoidal towards the equatorial periphery (3) of the cotyloid component.
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The invention relates to a cotyloid component of a hip prosthesis, said cotyloid component being hollow and in the form of a cup whose outer part has a thread allowing it to be fixed in the iliac bone, said thread being a discontinuous self-cutting double thread (20, 21), and said cotyloid component having a flattened upper pole (1), a coating that promotes osseointegration on its outer face (10), and a concave, substantially hemispherical and polished inner surface (11), characterized in that: (a) the pitch of the threads (20, 21) decreases from the upper pole (1) towards the equatorial periphery (3) of the cotyloid component, (b) the thicknesses of the threads (20, 21) increase from the upper pole (1) of the cotyloid component towards its periphery (3), (c) the crest of the threads (20, 21) is sharp towards the pole (1) of the cotyloid component and rounded or substantially trapezoidal towards the equatorial periphery (3) of the cotyloid component.</description><language>fre</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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The invention relates to a cotyloid component of a hip prosthesis, said cotyloid component being hollow and in the form of a cup whose outer part has a thread allowing it to be fixed in the iliac bone, said thread being a discontinuous self-cutting double thread (20, 21), and said cotyloid component having a flattened upper pole (1), a coating that promotes osseointegration on its outer face (10), and a concave, substantially hemispherical and polished inner surface (11), characterized in that: (a) the pitch of the threads (20, 21) decreases from the upper pole (1) towards the equatorial periphery (3) of the cotyloid component, (b) the thicknesses of the threads (20, 21) increase from the upper pole (1) of the cotyloid component towards its periphery (3), (c) the crest of the threads (20, 21) is sharp towards the pole (1) of the cotyloid component and rounded or substantially trapezoidal towards the equatorial periphery (3) of the cotyloid component.</description><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS</subject><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</subject><subject>DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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The invention relates to a cotyloid component of a hip prosthesis, said cotyloid component being hollow and in the form of a cup whose outer part has a thread allowing it to be fixed in the iliac bone, said thread being a discontinuous self-cutting double thread (20, 21), and said cotyloid component having a flattened upper pole (1), a coating that promotes osseointegration on its outer face (10), and a concave, substantially hemispherical and polished inner surface (11), characterized in that: (a) the pitch of the threads (20, 21) decreases from the upper pole (1) towards the equatorial periphery (3) of the cotyloid component, (b) the thicknesses of the threads (20, 21) increase from the upper pole (1) of the cotyloid component towards its periphery (3), (c) the crest of the threads (20, 21) is sharp towards the pole (1) of the cotyloid component and rounded or substantially trapezoidal towards the equatorial periphery (3) of the cotyloid component.</abstract><oa>free_for_read</oa></addata></record>
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subjects BANDAGES, DRESSINGS OR ABSORBENT PADS
CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
MEDICAL OR VETERINARY SCIENCE
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PROSTHESES
TREATMENT OR PROTECTION OF EYES OR EARS
title ELEMENT COTYLOIDIEN DE PROTHESE DE HANCHE, ET PROTHESE TOTALE DE HANCHE LE COMPORTANT
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