Method and Apparatus for Adjusting Sensitivity Using Intracardiac Pressure Data
First Claim
Patent Images
1. A method of identifying a need to adjust an electrogram (EGM) sensitivity level in an implantable medical device, comprising:
- monitoring an EGM to detect electrical events at a sensitivity level;
monitoring intracardiac pressure to detect pressure waves; and
analyzing the detected electrical events and pressure waves to determine the presence or absence of a one-to-one correlation between detected electrical events and pressure waves, the absence of the one-to-one correlation indicating the need to adjust the sensitivity level.
1 Assignment
0 Petitions
Accused Products
Abstract
A method and apparatus for adjusting the electrogram (EGM) sensitivity level of an implantable medical device using intracardiac pressure data. An EGM is monitored to detect electrical events and intracardiac pressure is monitored to detect pressure waves. The electrical waves and pressure waves are analyzed to determine the presence of a one-to-one correlation, with the absence of a one-to-one correlation indicating the need to adjust the sensitivity level.
51 Citations
20 Claims
-
1. A method of identifying a need to adjust an electrogram (EGM) sensitivity level in an implantable medical device, comprising:
-
monitoring an EGM to detect electrical events at a sensitivity level;
monitoring intracardiac pressure to detect pressure waves; and
analyzing the detected electrical events and pressure waves to determine the presence or absence of a one-to-one correlation between detected electrical events and pressure waves, the absence of the one-to-one correlation indicating the need to adjust the sensitivity level. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method of optimizing an electrogram (EGM) sensitivity level in an implantable medical device, comprising:
-
a) detecting electrical events at a sensitivity level by monitoring an EGM;
b) detecting pressure waves by monitoring an intracardiac pressure;
c) analyzing corresponding electrical events and pressure waves to identify the presence or absence of a one-to-one correlation between detected electrical events and detected pressure waves;
d) adjusting the sensitivity by one level in the absence of the one-to-one correlation until the presence of the one-to-one correlation is detected; and
e) setting the sensitivity level as the optimal level when the presence of the one-to-one correlation is detected. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
-
-
18. An implantable medical device for optimizing an electrogram (EGM) sensitivity level, comprising:
-
one or more electrodes for detecting an EGM; and
one or more sensors for detecting intracardiac pressure;
means for analyzing corresponding detected electrical events and detected pressure waves to identify the presence or absence of a one-to-one correlation between detected electrical events and detected pressure waves;
means for adjusting the sensitivity in the absence of the one-to-one correlation until the presence of the one-to-one correlation is detected; and
means for setting the sensitivity level as the optimal level when the presence of the one-to-one correlation is detected. - View Dependent Claims (19, 20)
-
Specification