Method and apparatus for orthopedic implant assessment

Methods and apparatus are described for orthopedic implant assessment. A method includes characterizing wear of an orthopedic implant including measuring a dimension in a direction that defines a path that passes through an articulating surface of a wear element of the orthopedic implant using at le...

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Bibliographische Detailangaben
Hauptverfasser:	BABA JUSTIN S, WARMACK ROBERT J, ERICSON MILTON N, BRITTON CHARLES L
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 FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PROSTHESES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	Methods and apparatus are described for orthopedic implant assessment. A method includes characterizing wear of an orthopedic implant including measuring a dimension in a direction that defines a path that passes through an articulating surface of a wear element of the orthopedic implant using at least one thickness sensor. An apparatus includes an orthopedic implant including a wear element having an articulating surface; and at least one thickness sensor coupled to the wear element, the at least one thickness sensor measuring a dimension in a direction that defines a path that passes through the articulating surface of the wear element. A method includes characterizing forces within an orthopedic implant including using a plurality of individually addressable pressure sensors including measuring parasitic impedance between at least two of the plurality of individually addressable pressure sensors.