Prosthesis with feature aligned to trabeculae

A ball and socket joint prosthesis 10 for use in arthroplasty is provided. The prosthesis includes a body 32 for implantation at least partially within the medullary canal 24 of a long bone 12. The long bone defines trabeculae 60 in the proximal cancellous bone 22 and lamellae 71 in the cortical bon...

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Bibliographische Detailangaben
Hauptverfasser:	WEISSMAN, MARC G, CAMINO, THOMAS S, SERBOUSEK, JON C, VANMETER, J.B
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A ball and socket joint prosthesis 10 for use in arthroplasty is provided. The prosthesis includes a body 32 for implantation at least partially within the medullary canal 24 of a long bone 12. The long bone defines trabeculae 60 in the proximal cancellous bone 22 and lamellae 71 in the cortical bone 65. The body includes a proximal portion 52 thereof and a distal portion 54. The proximal portion has a medial periphery 69 and includes surface features 64 on a substantial portion of its proximal portion. The surface features are positioned to optimally transfer load from the prosthesis to the long bone.