Method and apparatus for testing a joint replacement device

Details Method and apparatus for testing a joint replacement device Method and apparatus for testing a joint replacement device

2007-05-22

2007-05-22

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

C073S804000, C073S865100, C073S865300

Reexamination Certificate

active

11116518

ABSTRACT:
An apparatus and method for testing components of a joint replacement device in desired articulation relative to one another under a load, include: a first unit or step operable to impart undulating orientations of a first member of the joint replacement device; and a second unit or step operable to locate a second member of the joint replacement device proximate to the first member of the joint replacement device such that an articulation surface of the second member engages an articulation surface of the first member for movement in response to the undulating orientations of the first member, wherein at least one of: (i) the second unit is operable to automatically adjust the location of the second member of the joint replacement device in response to lateral forces exerted by the first member on the second member, and (ii) the apparatus and method include a third unit or step operable to impart rotational displacement to the first member of the joint replacement device such that the articulation surface of the first member will be engaged with the articulation surface of the second member for the desired articulation of the first and second members.

REFERENCES:
patent: 4901580 (1990-02-01), Potts
patent: 5259249 (1993-11-01), Fetto
patent: 5342362 (1994-08-01), Kenyon et al.
patent: 6058784 (2000-05-01), Carroll et al.
patent: 6491273 (2002-12-01), King et al.
patent: 6554837 (2003-04-01), Hauri et al.
patent: 6865954 (2005-03-01), Zubok et al.
patent: 7040177 (2006-05-01), Zubok et al.

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