MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE
First Claim
1. A system for mapping the electrical activity of the heart, the system comprising:
- a processor, wherein the processor is capable of;
sensing a plurality of signals with a plurality of electrodes positioned within the heart;
collecting a plurality of signals corresponding to the plurality of electrodes, wherein collecting the plurality of signals occurs over a time period;
generating a plurality of time-frequency distributions corresponding the plurality of signals;
generating a composite time-frequency distribution corresponding to the plurality of signals;
generating a filter from the composite time-frequency distribution; and
applying the filter to the plurality of signals or to the plurality of time-frequency distributions.
2 Assignments
0 Petitions
Accused Products
Abstract
Medical devices and methods for making and using medical devices are disclosed. An example system for mapping the electrical activity of the heart includes a processor. The processor is capable of sensing a plurality of signals with a plurality of electrodes positioned within the heart and collecting a plurality of signals corresponding to the plurality of electrodes. Collecting the plurality of signals occurs over a time period. The processor is also capable of generating a plurality of time-frequency distributions corresponding the plurality of signals, generating a composite time-frequency distribution corresponding to the plurality of signals, generating a filter from the composite time-frequency distribution and applying the filter to the plurality of signals or to the plurality of time-frequency distributions
9 Citations
20 Claims
-
1. A system for mapping the electrical activity of the heart, the system comprising:
a processor, wherein the processor is capable of; sensing a plurality of signals with a plurality of electrodes positioned within the heart; collecting a plurality of signals corresponding to the plurality of electrodes, wherein collecting the plurality of signals occurs over a time period; generating a plurality of time-frequency distributions corresponding the plurality of signals; generating a composite time-frequency distribution corresponding to the plurality of signals; generating a filter from the composite time-frequency distribution; and applying the filter to the plurality of signals or to the plurality of time-frequency distributions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
16. A system for mapping the electrical activity of the heart, the system comprising:
-
a catheter shaft; a plurality of electrodes coupled to the catheter shaft; and a processor, wherein the processor is capable of; sensing a plurality of signals with a plurality of electrodes positioned within the heart; collecting a plurality of signals corresponding to the plurality of electrodes, wherein collecting the plurality of signals occurs over a time period, and wherein the time period includes one or more time points; generating a plurality of time-frequency distributions corresponding to the plurality of signals; generating a composite time-frequency distribution corresponding to the plurality of time-frequency distributions, wherein the composite time-frequency distribution includes one or more fundamental frequency values at each time point of the time period; generating a filter from the composite time-frequency distribution; and applying the filter to the plurality of time-frequency distributions. - View Dependent Claims (17, 18, 19)
-
-
20. A method for mapping the electrical activity of the heart, the method comprising:
positioning a mapping device in the heart, wherein the mapping device is coupled to a processor and wherein the processor is capable of; sensing a plurality of signals with a plurality of electrodes positioned within the heart; collecting a plurality of signals corresponding to the plurality of electrodes, wherein collecting the plurality of signals occurs over a time period; generating a plurality of time-frequency distributions corresponding the plurality of signals; generating a composite time-frequency distribution corresponding to the plurality of signals; generating a filter from the composite time-frequency distribution; and applying the filter to the plurality of time-frequency distribution.
Specification