Method and apparatus for refinably accurate localization of...

Details Method and apparatus for refinably accurate localization of... Method and apparatus for refinably accurate localization of...

2005-11-29

2005-11-29

Jaworski, Francis J. (Department: 3737)

Surgery

Miscellaneous

Devices placed entirely within body and means used therewith

C073S001790

Reexamination Certificate

active

06968846

ABSTRACT:
A method of localizing a device, medical or otherwise, within a three dimensional environment, the method comprising: (a) transmitting time varying magnetic fields from at least three transmitters, (b) receiving the transmitted electromagnetic radiation as induced voltage signals from at least one receiver mounted on or within said device, and (c) a processing scheme for processing said received voltage signals in order to extract position and orientation localization information for said device, said processing scheme including correction for conducting materials in the vicinity by the use of information gathered from at least three distinct transmission frequencies for each of said transmitters.

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patent: 6528989 (2003-03-01), Hansen

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