公开(公告)号：US10143839B1

公开(公告)日：2018-12-04

申请号：US15642054

申请日：2017-07-05

Applicant: Medtronic, Inc.

Inventor： Melissa G. T. Christie ,  Ronald A. Drake ,  Bushan Purushothaman ,  Andrzej M. Malewicz

IPC: A61N1/05 ,  A61N1/362 ,  A61N1/08 ,  A61N1/39

Abstract: In some examples, a medical device system includes an electrode. The medical device system may include impedance measurement circuitry coupled to the electrode, the impedance measurement circuitry may be configured to generate an impedance signal indicating impedance proximate to the electrode. The medical device system may include processing circuitry that may be configured to identify a first frequency component and a second frequency component of the impedance signal, and provide an indication of a location of the electrode in a patient based on the first frequency component and the second frequency component.

公开(公告)号：US20180207429A1

公开(公告)日：2018-07-26

申请号：US15411360

申请日：2017-01-20

Applicant: Medtronic, Inc.

Inventor： James D. Reinke ,  James K. Carney ,  Can Cinbis ,  Richard J. O'Brien ,  Bushan Purushothaman

IPC: A61N1/375 ,  A61N1/39

CPC classification number: A61N1/3756 ,  A61B5/0028 ,  A61B5/0402 ,  A61B5/0422 ,  A61B5/6867 ,  A61B2562/0209 ,  A61N1/3702 ,  A61N1/37205 ,  A61N1/37211 ,  A61N1/3962 ,  H04B13/005

Abstract: In some examples, the disclosure describes an implantable medical device comprising a plurality of electrodes, sensing circuitry configured to sense a physiological electrical signal via the plurality of electrodes, and communication circuitry configured to transmit and/or receive a transconductance communication signal via the plurality of electrodes, wherein at least one electrode of the plurality of electrodes comprises a lower-capacitance portion and a higher-capacitance portion.