Acetabular cup, method and tool for installing the same

An acetabular cup having an outer shell of a hard material defining a cavity circumscribed by an annular surface, and a bearing insert of a material which is softer than the material of the outer shell, the bearing insert being disposed within the cavity of the shell, and coupling tracks disposed on...

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Bibliographic Details
Main Authors RAFIAL ZUBOK, ROBERT C COHEN
Format Patent
LanguageEnglish
Published 04.03.1996
Edition6
Subjects
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Abstract An acetabular cup having an outer shell of a hard material defining a cavity circumscribed by an annular surface, and a bearing insert of a material which is softer than the material of the outer shell, the bearing insert being disposed within the cavity of the shell, and coupling tracks disposed on the annular surface for coupling a tool to the outer shell, the tool being used for installing the cup in a patient's acetabulum, the coupling tracks operating to prevent the tool from damaging the bearing insert during the installation of the cup. The tool for installing the acetabular cup of the present invention, comprises a handle for aligning and driving the acetabular cup into a patient's acetabulum which control the rotational, pivotal and axial alignment and an adaptor for coupling the handle to the acetabular cup, the adaptor having leg members for engaging the corresponding coupling tracks positioned on the annular surface of the outer shell when the leg members are brought into contact with the annular surface of the outer shell and the adaptor is rotated relative to the acetabular cup.
AbstractList An acetabular cup having an outer shell of a hard material defining a cavity circumscribed by an annular surface, and a bearing insert of a material which is softer than the material of the outer shell, the bearing insert being disposed within the cavity of the shell, and coupling tracks disposed on the annular surface for coupling a tool to the outer shell, the tool being used for installing the cup in a patient's acetabulum, the coupling tracks operating to prevent the tool from damaging the bearing insert during the installation of the cup. The tool for installing the acetabular cup of the present invention, comprises a handle for aligning and driving the acetabular cup into a patient's acetabulum which control the rotational, pivotal and axial alignment and an adaptor for coupling the handle to the acetabular cup, the adaptor having leg members for engaging the corresponding coupling tracks positioned on the annular surface of the outer shell when the leg members are brought into contact with the annular surface of the outer shell and the adaptor is rotated relative to the acetabular cup.
Author ROBERT C COHEN
RAFIAL ZUBOK
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Snippet An acetabular cup having an outer shell of a hard material defining a cavity circumscribed by an annular surface, and a bearing insert of a material which is...
SourceID epo
SourceType Open Access Repository
SubjectTerms BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
DIAGNOSIS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PROSTHESES
SURGERY
TREATMENT OR PROTECTION OF EYES OR EARS
Title Acetabular cup, method and tool for installing the same
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