IMPLANTE COTILOIDIANO FIXO SEM CIMENTO

The cotyloidal implant has a hemispherical cup (5) forming an internal cavity (10), and an insert (7) engageable into the cavity, the cup being set in place by impaction and having to this effect anchoring asperities (15) provided on its external face, having the form of lozenges and which are conti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LOUIS SETIEY, BRUNO BALAY, JEAN-PIERRE VIDALAIN, JEAN-CLAUDE CARTILLIER, CLAUDE CHARLET, JEAN-MARC SEMAY, ALAIN MACHENAUD
Format:	Patent
Sprache:	por
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The cotyloidal implant has a hemispherical cup (5) forming an internal cavity (10), and an insert (7) engageable into the cavity, the cup being set in place by impaction and having to this effect anchoring asperities (15) provided on its external face, having the form of lozenges and which are contiguous and imbricated. The cup (5) is provided, on its external face, with two coaxial grooves configured like helical threads (38) having reverse pitches which intersect each other on a large portion of said external face, which are inclined in the direction of the cup opening and which have a depth increasing progressively in the opening direction of the cup (5); due to their intersection, the grooves delimit an important number of asperities (15). The invention provides for the making of a cotyloidal implant which can be anchored to the pelvis without the use of cement and screws.