Adjustable long bone prosthesis

A long bone prosthesis (10) includes upper and lower articulating components (12,14), with the free ends of the components configured to engage a corresponding prosthetic joint. The overall length of the articulating components (12,14) is adjustable to approximate the length of a patient's long...

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Bibliographic Details
Main Authors JOEL C. RHOADES, TROY D. MARTIN, JAMES R. ROGERS
Format Patent
LanguageEnglish
Published 22.01.2009
Subjects
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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Summary:A long bone prosthesis (10) includes upper and lower articulating components (12,14), with the free ends of the components configured to engage a corresponding prosthetic joint. The overall length of the articulating components (12,14) is adjustable to approximate the length of a patient's long bone, such as the humerus. The articulating components (12,14) include a stem (32) and collet (35) arrangement for fixing the relative axial and rotational position of the components. A tapered lock nut (16) is threaded onto the outer threaded surface (41) of the collet portion (35) to provide a pressure engagement of the articulating elements. Various surface features can be implemented among the components of the prosthesis (10) to enhance the pressure fixation, restrict rotation or provide indexed movement of the articulating components (12,14) relative to each other.
Bibliography:Application Number: AU20030200141