System and method for segmenting a cardiac signal based on brain activity
AssigneeMedtronic, Inc.
InventorsJonathon Giftakis, Jonathan Werder, Nina Graves, Eric Panken, David Carlson
Life of this patent
Estimating the term…
Abstract
A medical device system that includes a brain monitoring element, cardiac monitoring element and a processor. The processor is configured to receive a brain signal from the brain monitoring element and a cardiac signal from the cardiac monitoring element. The processor is further configured to determine at least one reference point for a brain event time period by evaluation of the brain signal. The processor further identifies a first portion of the cardiac signal based on the at least one reference point of the brain event time period.
Claims65
A medical device system comprising:
- (a) a brain monitoring element for sensing activity of the brain and outputting a brain signal;
- (b) a cardiac monitoring element for sensing activity of the heart and outputting a cardiac signal;
- and
- (c) one or more processors in communication with the brain monitoring element and the cardiac monitoring element, the one or more processors configured to:
- (i) receive the brain signal;
- (ii) determine at least one reference point for a brain event time period by evaluation of the brain signal;
- (iii) receive the cardiac signal;
- and
- (iv) identify a first portion of the cardiac signal based on the at least one reference point of the brain event time period.
A medical device system comprising:
- (a) a brain monitoring element for sensing activity of the brain and outputting a brain signal;
- (b) a cardiac monitoring element for sensing activity of the heart and outputting a cardiac signal;
- and
- (c) one or more processors in communication with the brain monitoring element and the cardiac monitoring element, the one or more processors configured to:
- (i) receive the brain signal;
- (ii) determine at least one reference point of a seizure event time period by evaluation of the brain signal;
- (iii) receive the cardiac signal;
- (iv) identify a first portion of the cardiac signal based on the at least one reference point, the first portion selected from the group consisting of pre-ictal, ictal and post-ictal portions;
- (v) identify a second portion of the cardiac signal based on the at least one reference point, the second portion different from the first portion and selected from the group consisting of pre-ictal, ictal and post-ictal portions;
- (vi) determine a first metric of the first portion;
- (vii) determine a second metric of the second portion;
- and
- (viii) compare the first metric to the second metric.
A method of monitoring brain and cardiac activity comprising:
- (a) monitoring the brain and outputting a brain signal indicative of activity in the brain;
- (b) monitoring the heart and outputting a cardiac signal indicative of activity in the heart;
- (c) determining at least one reference point for a brain event time period by evaluation of the brain signal;
- and
- (d) identifying a first portion of the cardiac signal based on the at least one reference point of the brain event time period.
A computer readable medium containing executable instructions causing a processor to perform the following:
- (a) receiving a brain signal from a brain monitoring element;
- (b) receiving a cardiac signal from a cardiac monitoring element;
- and
- (c) determining at least one reference point for a brain event time period by evaluation of the brain signal;
- and
- (d) identifying a first portion of the cardiac signal based on the at least one reference point of the brain event time period.
Dependencies are inferred from the claim text.