Depuy Synthes Products, Inc.

Depuy France

Other

Depuy Ireland Unlimited Co.

Aston Medical Developments Limited

Depuy

Lafosse, Laurent

Capon, Didier

Ekelund, Anders

Wirth, Michael

Collins, David

Nerot, Cécile

De Wilde, Lieven

Seebauer, Ludwig

Didier Capon

Cecile Nerot

David C Collins

Didier Poncet

Anders Ekelund

Lieven De Wilde

Laurent Lafosse

Michael A Wirth

Ludwig Seebauer

Denis Bouttens

Michel De Buttet

Michel Colmar

Hassan Wahab

Philippe Valenti

Christophe Alepee

Martin Gonzalvez

François Vedel

Cécile Nerot

Franck Handelberg

Albert Isidro

Damien Laques

Hugues De La Selle

David Collins

Micheal Wirth

The invention relates to a modular humeral prosthesis for an inverse shoulder prosthesis, comprising an anatomical shaft () and a separable epiphyseal head () which may be angularly orientated by rotation about the longitudinal axis (XX) of the anatomical shaft. The anatomical shaft and the epiphyseal head comprise complementary angular indexing means () for relative rotational fixation.

Modular humeral prosthesis for an inverted shoulder prosthesis

A humeral component of a reverse shoulder prosthesis includes a stem part configured for location within the intramedullary cavity of the humerus, the stem part having a stem axis, an epiphyseal part connected to the elongate stem part and having a concave bearing surface defining an epiphyseal axis, and wherein the epiphyseal axis is offset posteriorly relative to the stem axis.

Humeral component of a shoulder joint prosthesis

A cup intended to interact with a prosthetic humeral head has a generally circular shape and positioning and anchoring devices for embedding the cup in an anatomical glenoid cavity in such a way that a load-bearing and sliding surface of the cup is integrated into the continuity of the anatomical cavity so as to be perfectly congruent with the humeral head.

Glenoid implant

A shoulder prosthesis assembly includes a metaglenoid element () having a plate () with a central tubular bushing () and members for anchoring it in the glenoid cavity. The assembly also includes a glenoid sphere () that fits over the metaglenoid element which has an axial screw that is () screwed into the bushing. The glenoid sphere has a member to facilitate installation thereof on the metaglenoid element. The member may include a pin () adapted to slide in the tubular bushing () and in an axial channel of the screw, so that the glenoid sphere () can be screwed into place without any risk of damaging the thread of the screw or the tapping of the bushing.

Method of implanting a shoulder prosthesis assembly

Shoulder prosthesis assembly

The invention concerns a shoulder prosthesis assembly comprising a meta-glenoid element () formed by a plate () provided with a central tubular block () an anchoring members in the glenoid cavity (), and a glenoid sphere () designed to top the metaglenoid element and provided with an axial screw () screwed into said pin; the glenoid sphere has an articulated surface () designed to co-operate with a cup of an associated humeral prosthesis (); said assembly comprises means () guiding the glenoid sphere adapted to facilitate its being fixed on the meta-glenoid element; said means comprise a pin () adapted to be slotted into the tubular block () and into an axial passage of the screw (); the glenoid sphere () is thus guided by being slid on the pin () until the screw () is inserted precisely into the axis of the tubular block (), wherein it can be screwed without any risk of damaging the thread on the screw and the internal thread of the block. Advantageously, the free end () of the screw () can likewise be bevelled to facilitate its being inserted in the block () without damaging the threads. The inventive arrangement is particular useful considering the difficulties encountered by the surgeon for correctly positioning the glenoid sphere () relative to the meta-glenoid element () owing to lack of visibility.

Growing community of inventors

Sautron, France

Didier Capon