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US 2014/0371832 A1Published application
Implantable electrode location selection
AssigneeMedtronic, Inc.
InventorSubham Ghosh
Life of this patent
Estimating the term…
Abstract
Systems, methods, and interfaces are described herein for assisting in noninvasive location selection for an implantable electrode for use in cardiac therapy. Mechanical motion information and surrogate electrical activation times may be used to identify one or more candidate site regions.
Claims37
A system for assisting in noninvasive location selection for an implantable electrode comprising:
- electrode apparatus comprising a plurality of external electrodes configured to be located proximate tissue of a patient;
- imaging apparatus configured to image at least a portion of blood vessel anatomy of the patient's heart;
- a display apparatus comprising a graphical user interface, wherein the graphical user interface is configured to depict the at least a portion of blood vessel anatomy of the patient's heart for implantation of an implantable electrode;
- and
- computing apparatus coupled to the electrode apparatus, imaging apparatus, and display apparatus and configured to assist a user in noninvasively selecting a location for the implantable electrode, wherein the computing apparatus is further configured to:
- measure mechanical motion of a plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart using the imaging apparatus, wherein each region of the plurality of implantation site regions is different from the other regions of the plurality of implantation site regions,
- measure surrogate electrical activation time of the plurality of implantation site regions of the patient's heart using the plurality of external electrodes of the electrode apparatus, wherein the surrogate electrical activation time for each region of the plurality of implantation site regions is measured using one or more external electrodes,
- determine one or more candidate site regions of the plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart for implantation of the implantable electrode based on the measured mechanical motion and measured electrical activation time of the plurality of regions, wherein the one or more candidate site regions comprise mechanical motion contraction times greater than or equal to a mechanical motion threshold based on the latest mechanical motion contraction time of the plurality of implantation site regions and electrical activation times greater than or equal to an electrical activation threshold based on the latest electrical activation time of the plurality of implantation site regions, and
- identify, on the graphical user interface, the one or more candidate site regions for implantation of the implantable electrode.
6 more elements
A method for assisting in noninvasive location selection for an implantable electrode comprising:
- measuring mechanical motion of a plurality of implantation site regions of at least a portion of blood vessel anatomy of the patient's heart using imaging apparatus, wherein each region of the plurality of implantation site regions is different from the other regions of the plurality of implantation site regions;
- measuring surrogate electrical activation time of the plurality of implantation site regions of the patient's heart using a plurality of external electrodes, wherein the surrogate electrical activation time for each region of the plurality of implantation site regions is measured using one or more external electrodes;
- determining one or more candidate site regions of the plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart for implantation of an implantable electrode based on the measured mechanical motion and measured electrical activation time of the plurality of regions, wherein the one or more candidate site regions comprise mechanical motion contraction times greater than or equal to a mechanical motion threshold based on the latest mechanical motion contraction time of the plurality of implantation site regions and electrical activation times greater than or equal to an electrical activation threshold based on the latest electrical activation time of the plurality of implantation site regions;
- identifying, on a graphical user interface, the one or more candidate site regions for implantation of the implantable electrode;
- and
- navigating at least one implantable electrode to at least one of the identified one or more candidate site regions using the graphical user interface.
3 more elements
A system for assisting in noninvasive location selection for an implantable electrode comprising:
- electrode apparatus comprising a plurality of external electrodes configured to be located proximate tissue of a patient;
- imaging apparatus configured to image at least a portion of blood vessel anatomy of the patient's heart;
- a display apparatus comprising a graphical user interface, wherein the graphical user interface is configured to depict the at least a portion of blood vessel anatomy of the patient's heart for implantation of an implantable electrode;
- and
- computing apparatus coupled to the electrode apparatus, imaging apparatus, and display apparatus and configured to assist a user in noninvasively selecting a location for the implantable electrode, wherein the computing apparatus is further configured to:
- measure mechanical motion of a plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart using the imaging apparatus, wherein each region of the plurality of implantation site regions is different from the other regions of the plurality of implantation site regions,
- measure surrogate electrical activation time of the plurality of implantation site regions of the patient's heart using the plurality of external electrodes of the electrode apparatus, wherein the surrogate electrical activation time for each region of the plurality of implantation site regions is measured using one or more external electrodes,
- determine one or more candidate site regions of the plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart for implantation of the implantable electrode based on the measured mechanical motion and measured electrical activation time of the plurality of regions,
- determine a scar risk score for each region of the one or more candidate site regions, and
- identify, on the graphical user interface, at least one target site region of the one or more candidate site regions based on the scar risk score for implantation of the implantable electrode.
7 more elements
A method for assisting in noninvasive location selection for an implantable electrode comprising:
- measuring mechanical motion of a plurality of implantation site regions of at least a portion of blood vessel anatomy of the patient's heart using imaging apparatus, wherein each region of the plurality of implantation site regions is different from the other regions of the plurality of implantation site regions;
- measuring surrogate electrical activation time of the plurality of implantation site regions of the patient's heart using a plurality of external electrodes, wherein the surrogate electrical activation time for each region of the plurality of implantation site regions is measured using one or more external electrodes;
- determining one or more candidate site regions of the plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart for implantation of an implantable electrode based on the measured mechanical motion and measured electrical activation time of the plurality of regions;
- determining a scar risk score for each region of the one or more candidate site regions;
- identifying, on the graphical user interface, at least one target site region of the one or more candidate site regions based on the scar risk score for implantation of the implantable electrode;
- and
- navigating at least one implantable electrode to at least one of the identified one or more target site regions using the graphical user interface.
4 more elements
A system for assisting in noninvasive location selection for an implantable electrode comprising:
- electrode apparatus comprising a plurality of external electrodes configured to be located proximate tissue of a patient;
- imaging apparatus configured to image at least a portion of blood vessel anatomy of the patient's heart;
- a display apparatus comprising a graphical user interface, wherein the graphical user interface is configured to depict the at least a portion of blood vessel anatomy of the patient's heart for implantation of an implantable electrode;
- and
- computing apparatus coupled to the electrode apparatus, imaging apparatus, and display apparatus and configured to assist a user in noninvasively selecting a location for the implantable electrode, wherein the computing apparatus is further configured to:
- measure mechanical motion of a plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart using the imaging apparatus, wherein each region of the plurality of implantation site regions is different from the other regions of the plurality of implantation site regions,
- measure surrogate electrical activation time of the plurality of implantation site regions of the patient's heart using the plurality of external electrodes of the electrode apparatus, wherein the surrogate electrical activation time for each region of the plurality of implantation site regions is measured using one or more external electrodes, and
- determine one or more candidate site regions of the plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart for implantation of the implantable electrode based on the measured mechanical motion and measured electrical activation time of the plurality of regions.
5 more elements
A method for assisting in noninvasive location selection for an implantable electrode comprising:
- measuring mechanical motion of a plurality of implantation site regions of at least a portion of blood vessel anatomy of the patient's heart using imaging apparatus, wherein each region of the plurality of implantation site regions is different from the other regions of the plurality of implantation site regions;
- measuring surrogate electrical activation time of the plurality of implantation site regions of the patient's heart using a plurality of external electrodes, wherein the surrogate electrical activation time for each region of the plurality of implantation site regions is measured using one or more external electrodes;
- and
- determining one or more candidate site regions of the plurality of implantation site regions of the at least a portion of blood vessel anatomy of the patient's heart for implantation of an implantable electrode based on the measured mechanical motion and measured surrogate electrical activation time of the plurality of regions.
1 more element
Dependencies are inferred from the claim text.