Supraventricular tachy sensing vector

Title: Supraventricular tachy sensing vector

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20090157133, Supraventricular tachy sensing vector.

What is claimed is:

1. A system comprising: a pulse generator including a can electrode; and a lead couplable to the pulse generator, the lead including a distal coil electrode and a proximal coil electrode, wherein both of the coil electrodes are electrically uncoupled from the can electrode such that a unipolar sensing vector is provided between at least one of the coil electrodes and the can electrode.

2. The system of claim 1, wherein the sensing vector is provided between the distal electrode and the can electrode.

3. The system of claim 1, wherein the sensing vector is provided between the proximal electrode and the can electrode.

4. The system of claim 1, wherein a second sensing vector is provided between the distal coil electrode and the proximal coil electrode.

5. The system of claim 1, wherein the pulse generator is configured such that the unipolar sensing vector can alternate between the distal coil electrode and the can electrode and the proximal electrode and the can electrode.

6. The system of claim 1, wherein the pulse generator is configured such that a first unipolar sensing vector between the distal coil electrode and the can electrode and a second unipolar sensing vector between the proximal electrode and the can electrode occur simultaneously.

7. The system of claim 1, wherein the pulse generator is configured to distinguish between VT and SVT using the unipolar sensing vector.

8. A system comprising: a pulse generator including a can electrode; and a lead couplable to the pulse generator, the lead including a distal coil electrode and a proximal coil electrode, and further including a tip pacing/sensing electrode and a ring electrode, wherein the proximal coil electrode and the distal coil electrode are electrically uncoupled from the can electrode such that a unipolar sensing vector is provided between the distal electrode and the can electrode.

9. The system of claim 8, wherein a second unipolar sensing vector is provided between the proximal electrode and the can electrode.

10. The system of claim 8, wherein a third sensing vector is provided between the distal coil electrode and the proximal coil electrode.

11. The system of claim 8, wherein the lead is configured such that the proximal coil electrode is implantable in the right atrium and the distal coil electrode is implantable in the right ventricle.

12. The system of claim 8, wherein the pulse generator is configured to distinguish between VT and SVT using the unipolar sensing vector.

13. An apparatus comprising: a pulse generator including a housing can electrode; electronics located within the pulse generator; and an electrical connection between the housing can electrode and the electronics; wherein the electronics and electrical connection are configured such that when a lead is coupled to the pulse generator, a distal coil electrode on the lead is electrically uncoupled from the housing can electrode by the electrical pathway and a proximal coil electrode on the lead is electrically uncoupled from the housing can electrode, such that a unipolar sensing vector is provided between at least one of the coil electrodes and the can electrode.

14. The apparatus of claim 13, wherein the pulse generator is configured such that the unipolar sensing vector is provided between the distal coil electrode and the can electrode.

15. The apparatus of claim 13, wherein the pulse generator is configured such that the unipolar sensing vector is provided between the proximal electrode and the can electrode.

16. The apparatus of claim 13, wherein a second sensing vector is provided between the distal coil electrode and the proximal coil electrode.

17. The apparatus of claim 13, wherein the pulse generator is configured to distinguish between VT and SVT using the unipolar sensing vector.

18. A method comprising: providing a pulse generator including a can electrode; and coupling a lead to the pulse generator, the lead including at least one proximal coil electrode which is electrically isolated from the can electrode, and the lead including a distal coil electrode which is electrically isolated from the can electrode; implanting the lead such that the proximal coil electrode is located in the right atrium and the distal coil electrode is located in the right ventricle; and sensing heart signals using a unipolar sensing vector between at least one of the coil electrode and the can electrode.

19. The method of claim 18, wherein sensing heart signals includes differentiating between SVT signals and VT signals.

20. The method of claim 18, wherein the lead includes one or more distal pacing and/or sensing electrodes.

Brief Patent Description - Full Patent Description - Patent Claims

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Previous Patent Application:
Device for characterizing the cardiac status of a patient equipped with a biventricular pacing active implant
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Industry Class:
Surgery: light, thermal, and electrical application

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