Method and system of computer assistance for the reduction...

Details Method and system of computer assistance for the reduction... Method and system of computer assistance for the reduction...

2006-01-18

2009-11-17

Winakur, Eric F (Department: 3768)

Surgery

Instruments

Orthopedic instrumentation

C600S437000

Reexamination Certificate

active

07618419

ABSTRACT:
A method and system of computer assistance to the preparation of the reduction of a fracture such that a patient's bony fragments are separated into first and second bone segments, with in bone segments being symmetrical to a third bone element. The method includes the steps of determining a first representation or bone model of the surface of the first bone segment, a second representation, at an initial position, of the second segment, and a third representation of the third bone element; determining by symmetry a fourth representation of the first and second bone segments of the fractured bone in the absence of a fracture, the fourth representation being matched with the first representation; matching the second representation with the fourth representation at a final position; and providing, by an interface element, information representative of the difference between the initial position and the final position.

REFERENCES:
patent: 2003/0004518 (2003-01-01), Perren et al.
patent: 2004/0019263 (2004-01-01), Jutras et al.
patent: 2798760 (2001-03-01), None
patent: 2003339725 (2003-12-01), None
Ofer, Ron et al., Computer-Based Periaxial Rotation Measurement for Aligning Fractured Femur Fragments from CT: A Feasibility Study, Computer Aided Surgery 7:332-341 (2002).
International Search Report FR 0550148.

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