Method and device for determining the change in an object

Details Method and device for determining the change in an object Method and device for determining the change in an object

2011-02-08

2011-02-08

Snow, Bruce E (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C600S587000

Reexamination Certificate

active

07883545

ABSTRACT:
A method is provided for determining a dimensional change in a first object, wherein in an initial state said first object is connected to a second object via a joint, and wherein a first reference system is rigidly connected to the second object. The method includes using a non-invasive coupling device to couple a second reference system to the first object; ascertaining and/or storing a first location corresponding to a location of the second reference system relative to the first reference system, and a second location corresponding to a location between at least one reference point on the first object relative to the first reference system; separating the first object from the second object at the joint; altering the first object; re-assembling the altered first object and the second object to form the joint, wherein the first location is used to align the altered first object to the second object; after alignment, ascertaining or storing a third location corresponding to a location of the at least one reference point relative to the first reference system; and determining the dimensional change in the first object due to the alteration based on a change in location between the second location and the third location of the at least one reference point.

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patent: 1 654 997 (2006-05-01), None

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