Position sensing system for orthopedic applications

Details Position sensing system for orthopedic applications Position sensing system for orthopedic applications

2005-02-18

2011-10-25

Le, Long V. (Department: 3768)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C702S150000

Reexamination Certificate

active

08046050

ABSTRACT:
A surgical tracking system includes a wireless position sensor, which is adapted to be implanted in a bone of a subject, and responsively to externally-applied magnetic fields within a working volume of the tracking system, to generate and transmit sensor signals indicative of coordinates of the position sensor within the bone. A plurality of field generator coils are adapted to generate the magnetic fields so as to define the working volume. The field generators are fixed in predetermined locations to a reference structure, which is movable relative to the subject in order to position the working volume so as to intercept the bone. A system controller is coupled to receive and process the sensor signals so as to determine the coordinates of the position sensor within the bone.

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Biosense Webster, Inc., U.S. Appl. No. 10/632.217—pending.
Biosense Webster, Inc., U.S. Appl. No. 10/706,298—pending.
Biosense Webster, Inc., U.S. Appl. No. 10/754,751—pending.

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