Hip prosthesis comprises body extending along vertical axis constituted by stack of horizontal sections, shoulder and rear bulge forming support points located under small trochanter when prosthesis is in femur

The hip prosthesis (1) comprises a body (2) which extends along a vertical axis (3). The shape of the body is constituted by a stack of horizontal sections. On its external face there is a shoulder the base of which is adapted to be placed at the level of the small trochanter when the prosthesis is...

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Bibliographic Details
Main Authors MERCKX DIDIER, MATTEIS, ARLAUD JEAN YVES, TISSERAND PHILIPPE, CERMOLACCE, PROST DIDIER
Format Patent
LanguageEnglish
French
Published 14.05.2004
Edition7
Subjects
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Summary:The hip prosthesis (1) comprises a body (2) which extends along a vertical axis (3). The shape of the body is constituted by a stack of horizontal sections. On its external face there is a shoulder the base of which is adapted to be placed at the level of the small trochanter when the prosthesis is placed in the femur. The horizontal sections are offset from each other by translation in the front and saggital directions so as to form, in addition to the two support points constituted by the shoulder and by the part of the internal face at the height of the shoulder, a rear bulge (12) to be located under the small trochanter when the prosthesis is placed in the femur. La prothèse (1) comprend un corps (2) qui s'étend principalement selon un axe vertical (3), dont la forme est constituée d'un empilement de sections horizontales (11), et qui comprend, sur sa face externe (5), un épaulement (9) dont la base (10) est adaptée à être disposée au niveau du petit trochanter quand la prothèse (1) est placée dans le fémur.Selon l'invention, des sections horizontales (11) sont décalées les unes par rapport aux autres par translation dans les directions frontale et sagittale de façon à former, outre les deux points d'appui constitués par l'épaulement (9) et par la partie (46) de la face interne (4) se trouvant à la hauteur de l'épaulement (9), un renflement postérieur (12) adapté à être situé sous le petit trochanter quand la prothèse (1) est placée dans le fémur et constituant un troisième point d'appui.
Bibliography:Application Number: FR20020014186