James K Sims

US Patent:

20130197381, Aug 1, 2013

Filed:

Jan 29, 2013

Appl. No.:

13/752623

Inventors:

James J. Sims - Fayetteville GA, US

Assignee:

MEDTRONIC, INC. - Minneapolis MN

International Classification:

A61B 5/04

US Classification:

600523

Abstract:

An implantable medical device (IMD) is implanted in a patient. The IMD uses a plurality of electrode vectors to generate intrathoracic impedance measurements. The intrathoracic impedance measurements can be indicative of amounts of intrathoracic fluid in the patient. An accumulation of intrathoracic fluid may indicate that the patient is at an increased risk of experiencing a heart failure event in the near future. The IMD performs a vector selection operation on a recurring basis. When the IMD performs the vector selection operation, the IMD uses impedance measurements to select one of the electrode vectors. The IMD can perform a risk assessment operation on another recurring basis. During performance of the risk assessment operation, the IMD uses impedance measurements of the selected electrode vector and/or other patient characteristics stored within the IMD to determine whether the patient is at an increased risk of experiencing a heart failure event.

US Patent:

20140277242, Sep 18, 2014

Filed:

Mar 14, 2013

Appl. No.:

13/829792

Inventors:

- Minneapolis MN, US
James Jason Sims - Fayetteville GA, US
Mark Richard Swanovich - Lino Lakes MN, US

Assignee:

MEDTRONIC, INC. - Minneapolis MN

International Classification:

A61N 1/37

US Classification:

607 27, 607 2

Abstract:

Implantable medical device and method provides pacing to a patient having a heart using a plurality of electrodes. Electrical circuitry is operatively coupled to each of the plurality of electrodes on each of the plurality of leads and is configured to provide a plurality of stimulation vectors with the plurality of electrodes to the heart of the patient. The electrical circuitry is configured to calculate an energy consumption for each of the plurality of stimulation vectors. The electrical circuitry is configured to take an action based, at least in part, on the energy consumption calculated for each of the plurality of stimulation vectors