公开(公告)号：US20180228528A1

公开(公告)日：2018-08-16

申请号：US15432134

申请日：2017-02-14

Applicant: Medtronic, Inc.

Inventor： Steven J. FRAASCH ,  Catherine R. CONDIE ,  Trenton J. REHBERGER ,  Mark T. STEWART ,  Qin ZHANG

IPC: A61B18/12 ,  A61B18/14

Abstract: Systems and methods to confirm safe delivery of treatment energy to a patient by identifying a presence of a fault in an energy delivery pathway and identifying a location of the fault within the device. The system includes a processing unit configured to calculate blood impedances external to the device based on known impedance characteristics of the device, and then to calculate impedances within the device during energy delivery based on the calculated blood impedances. The processing unit prevents the delivery of energy in an energy delivery pathway that is determined to be compromised. The processing unit is also configured to compare times for two different frequencies to travel a predetermined distance, the difference in the times corresponding to a location of a fault within the energy delivery pathway.

公开(公告)号：US20180214195A1

公开(公告)日：2018-08-02

申请号：US15418217

申请日：2017-01-27

Applicant: Medtronic, Inc.

Inventor： Steven J. FRAASCH ,  Catherine R. CONDIE ,  Brian T. HOWARD ,  Louis JACOB ,  Paul S. LAM ,  Trenton J. REHBERGER ,  Mark T. STEWART ,  Qin ZHANG

IPC: A61B18/12 ,  A61B5/0452 ,  A61B5/0456 ,  A61B5/042 ,  A61B5/00 ,  A61N1/30 ,  A61B18/14 ,  H02H3/16 ,  H02H1/00

Abstract: A system and method for the safe delivery of treatment energy to a patient, which includes verification of system integrity before, during, or after the delivery of treatment energy and provides several mechanisms for rapid termination of the delivery of potentially harmful energy to the patient when a fault condition in the device and/or system is identified. The system may include an energy generator having processing circuitry to determine if there is a fault condition in the system and to automatically terminate a delivery of treatment energy when the processing circuitry determines there is a fault condition. The method may generally include performing a series of pre-checks, synchronizing a treatment energy delivery to the proper segment of the heart's depolarization pattern, configuring the system for treatment energy delivery, delivering the treatment energy, and performing post-treatment evaluation.