Hip cup alignment guide
AssigneeEmbody Orthopaedic Limited
InventorRobert Michael Wozencroft
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Abstract
The present invention provides a cup positioning guide which has a mechanical link from a cup introducer connection distal to the hip socket, to one or more landmarks on the pelvis. It facilitates intra-operative checks and adjustments to be made to reamed hip socket depth, cup anteversion and cup rotation with the aid of a cup trial component.
Claims18
A cup positioning guide comprising a proximal region and a distal region, said proximal region comprising a connection hub to connect to at last a first landmark anchor and said distal region comprising at last a connector for a cup introducer, said connection hub and said connector being linked by a mechanical linkage, wherein said connector for a cup introducer further comprises means to rotate a cup introducer, wherein said means to rotate a cup introducer is by way of a worm drive.
A cup positioning guide of 1, wherein said connection hub is connectable to said first landmark anchor by at last one rod.
Dependencies are inferred from the claim text.