Proximal radial prosthesis having a floating humeral articulation surface

A system for replacement of the proximal end of a radial bone, with a prosthesis having a floating articular member. The prosthesis 50 includes a head portion 52 connected or connectable to a stem portion 84, the head portion 52 having an articulation member 54 which floats relative to the stem port...

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Bibliographic Details
Main Authors KARA J BUDOR, RANDALL JOSEPH HUEBNER, LARRY W EHMKE, JEFF ANDREW BERGQUIST
Format Patent
LanguageEnglish
Published 07.05.2014
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 system for replacement of the proximal end of a radial bone, with a prosthesis having a floating articular member. The prosthesis 50 includes a head portion 52 connected or connectable to a stem portion 84, the head portion 52 having an articulation member 54 which floats relative to the stem portion. The head portion/articular member 65 may float transversely and/or rotationally with respect to the stem portion. The head 52 may provide the bearing surface 68 for the humeral bone and also a side surface 72 for articulating with the ulnar bone. The head 52 may form a cup 76 into which is inserted a dish 54 or plate and a retainer 110 to enable the plate to move. The ulnar articulation surface may be fixed relative to the stem, the mobile bearing (fig 17) or neither (fig 18A).
Bibliography:Application Number: GB20130016103