Medtronic Navigation, Inc.

Medtronic Advanced Energy LLC

Medtronic, Inc.

Bradley W Jacobsen

Steven L Hartmann

Michael T Hegland

Dale F Seeley

Andrew Wald

Victor D Snyder

Roger D Greeley

Prakash Manley

Martin Masson

Katherine M Puckett

Xiaoming Cheng

Yahia Laouar

Robert J Pahl

Anjali Dhiman

Amy Bradley

Yeung Chow

Molly Ann Megna

Wade Schutte

Kristen H Temnyk

Dominic M Graziani

Kristen H Ttemnyk

Andrew J Wald

Tracking a pose of a portion of an anatomical structure using an electromagnetic navigation system may comprise generating a signal. The generated signal is configured to cause bi-directional micro coils of a bi-directional coil array to generate an electromagnetic field at each bi-directional micro coil in response to receiving the generated signal. Each of the bi-directional micro coils is also coupled to a portion of a tracked structure. At least one of the generated electromagnetic fields is configured to be detected by at least one neighboring bi-directional micro coil and at least one receiving coil of a receiving coil array. A pose of a particular bi-directional micro coil of the bi-directional micro coils associated with the at least one generated magnetic field is determined based on detecting the at least one generated magnetic field at the at least one neighboring bi-directional micro coil and the at least one receiving coil.

Systems and methods for improved electromagnetic tracking

A tracker system for use in image guided surgery is disclosed. The tracker system may couple to wet tissue and may include a navigation tracker and a base pad that couple to each other. The base pad may be fabricated from a plurality of nonwoven nanofibers. The base pad is configured to couple to body tissue of a patient via at least one of adsorption, hydration equilibrium, and macromolecular interpenetration.

Nanofiber adhesives for navigation tracker fixation

A system and method include transmitting a signal according to a set of frequencies. A frequency range associated with the set of frequencies is from about 300 Hz to about 30 MHz. The system and method include sensing an electromagnetic field based on transmitting the signal according to the set of frequencies and determining a distortion in association with sensing the electromagnetic field. The system and method include identifying frequencies at which the magnitude of the distortion is less than the threshold value. The system and method include transmitting the signal according to one or more of the identified frequencies and providing navigation information associated with an environment in response to transmitting the signal.

Navigation at ultra low to high frequencies

An electrosurgical device including an elongated body extending from a proximal portion to a distal portion and defining an internal passageway configured to convey tissue from the distal portion to the proximal portion, and a coring electrode positioned at the distal portion of the elongated body, where the coring electrode is at an opening to the internal passageway, and where the coring electrode is configured to deliver electromagnetic energy to adjacent tissue to cut a volume of the tissue as the tissue is conveyed into the internal passageway.

Energized corers with energized internals

Systems and methods for correcting experienced EM fields measured at each of one or more EM trackers of an EM tracking system as such measurements are influenced by a known distorter are disclosed herein. An EM emitter may transmit an EM field such that it contains the one or more EM trackers. The system then determines a pose of a distorter within the EM field. The system receives, from each EM tracker, data representing experienced EM fields as distorted by a distortion field caused by the distorter. The system proceeds to determine the distortion field using the pose and a model comprising one or more characteristics of the distorter. The system may first optimize the model. The system calculates data representing corresponding corrected experienced EM fields based on each respective experienced EM field and the determined distortion field at the same location.

Electromagnetic distortion corrections for known distorters

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Erie, CO, United States of America

Bradley W Jacobsen