Acetabular trial

An acetabular trial insert is provided in which the appropriate anteversion angle of the acetabular cup of a hip prosthesis may be determined automatically by placing an inner cup within an outer cup and providing a mechanism which will hold the inner cup in position after the trial has been reduced...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BESEMER, JOHN W, FOLEY, FRANK R, SANDERS, ANTHONY, JAYASHANKAR, C. M, CALDARISE, SALVATORE, RITCHIE, ALLAN
Format:	Patent
Sprache:	eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	An acetabular trial insert is provided in which the appropriate anteversion angle of the acetabular cup of a hip prosthesis may be determined automatically by placing an inner cup within an outer cup and providing a mechanism which will hold the inner cup in position after the trial has been reduced and the hip rotated through an intended range of motion.