BI-ATRIAL AND/OR BI-VENTRICULAR PATIENT SAFETY CABLE AND METHODS REGARDING SAME

• US 20020183819A1
• Filed: 04/23/2001
• Published: 12/05/2002
• Est. Priority Date: 04/23/2001
• Status: Active Grant

• Current Assignee: Medtronic Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Incorporated (Medtronic Plc)
• Inventors: Struble, Chester L.
• Granted Patent: US 6,466,824 B1
• Time in Patent Office: Days
• US Class Current: 607/122
• CPC Class Codes: A61N 1/056 Transvascular endocardial electrode systems
• CPC Class Codes: A61N 1/36514 controlled by a physiological quantity other than heart potential, e.g. blood pressure controlled by two or more physical parameters A61N1/36585
• CPC Class Codes: A61N 1/3684 for stimulating the heart at multiple sites of the ventricle or the atrium
• CPC Class Codes: A61N 1/36842 Multi-site stimulation in the same chamber
• CPC Class Codes: A61N 1/36843 Bi-ventricular stimulation

Abstract

A bi-atrial and/or bi-ventricular patient safety cable includes a multi-conductor insulated external cable having a Y-connector portion, an external lead connector assembly, and two or more lead adaptors. The patient safety cable is used to electrically connect one or more implantable leads “in parallel” to an external medical device.

Claims

1. A patient safety medical device cable apparatus comprising:

a multi-conductor insulated external cable, the external cable comprising;

a first cable portion having a first end and a second end, wherein the first cable portion comprises one or more conductors;

a second cable portion comprising at least one pair of external cable lead elements, wherein each of the at least one pair of external cable lead elements corresponds to one of a pair of bi-atrial implantable leads and a pair of bi-ventricular implantable leads;

a Y-connector portion connected to the first end of the first cable portion, wherein the Y-connector portion comprises at least one Y connection electrically connecting the at least one pair of external cable lead elements with one or more conductors of the first cable portion;

an external lead connector assembly terminating the second end of the first cable portion and configured to be electrically connected to an external medical device; and

two or more lead adaptors, wherein each lead adaptor is configured for electrical connection to an implantable lead, and further wherein each of the external cable lead elements of the at least one pair of external cable lead elements is terminated by one of the two or more lead adaptors.

2. The apparatus according to claim 1, wherein the apparatus further comprises an indifferent electrode lead element associated with at least the first cable portion and configured to be electrically connected with a patient, and further wherein the external lead connector assembly terminates the indifferent electrode lead element.

3. The apparatus according to claim 1, wherein the second cable portion comprises a single pair of external cable lead elements, and further wherein the single pair of external cable lead elements corresponds to a single pair of bi-atrial implantable leads.

4. The apparatus according to claim 1, wherein the second cable portion comprises a single pair of external cable lead elements, and further wherein the single pair of external cable lead elements corresponds to a single pair of bi-ventricular implantable leads.

5. The apparatus according to claim 1, wherein the second cable portion comprises two pairs of external cable lead elements, wherein the two pairs of external cable lead elements correspond to a single pair of bi-atrial implantable leads and a single pair of bi-ventricular implantable leads.

6. The apparatus of claim 1, wherein the external medical device comprises an external pacemaker.

7. The apparatus of claim 1, wherein the external medical device comprises a programmer.

8. The apparatus of claim 1, wherein the external medical device comprises an analyzer.

9. A patient safety medical device cable apparatus comprising:

a multi-conductor insulated external cable, the external cable comprising;

a first cable portion having a first end and a second end, wherein the first cable portion comprises one or more conductors;

a second cable portion comprising a first external lead element and a second external lead element, wherein the first external lead element and the second external lead element correspond to a first bi-atrial implantable lead and a second bi-atrial implantable lead, respectively;

a Y-connector portion connected to the first end of the first cable portion, wherein the Y-connector portion comprises a Y connection electrically connecting the first external lead element and the second external lead element with one or more conductors of the first cable portion;

an external lead connector assembly terminating the second end of the first cable portion and configured to be electrically connected to an external medical device; and

a first lead adaptor and a second lead adaptor, wherein each lead adaptor is configured for electrical connection to an implantable lead, and further wherein the first external lead element is terminated by the first lead adaptor and the second external lead element is terminated by the second lead adaptor.

10. The apparatus according to claim 9, wherein the apparatus further comprises an indifferent electrode lead element associated with at least the first cable portion and configured to be electrically connected with a patient and terminated by the external lead connector assembly, wherein the first external lead element comprises at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device, wherein the second external lead element comprises at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device, and further wherein the indifferent electrode lead element comprises a conductor of a second polarity when the external lead connector assembly is electrically connected to the external medical device.

11. The apparatus according to claim 9, wherein the first external lead element and the second external lead element comprise at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device and at least one conductor of a second polarity when the external lead connector assembly is electrically connected to the external medical device, wherein the Y connection connects the at least one conductor of a first polarity of the first external lead element and second external lead element to at least one conductor of a first polarity of the first cable portion, and further wherein the Y connection connects the at least one conductor of a second polarity of the first external lead element and second external lead element to at least one conductor of a second polarity of the first cable portion.

12. The apparatus according to claim 9, wherein the external medical device is at least one of an external pacemaker, a programmer, and an analyzer.

14. The apparatus according to claim 13, wherein the apparatus further comprises an indifferent electrode lead element associated with at least the first cable portion and configured to be electrically connected with a patient and terminated by the external lead connector assembly, wherein the first external lead element comprises at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device, wherein the second external lead element comprises at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device, and further wherein the indifferent electrode lead element comprises a conductor of a second polarity when the external lead connector assembly is electrically connected to the external medical device.

15. The apparatus according to claim 13, wherein the first external lead element and the second external lead element comprise at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device and at least one conductor of a second polarity when the external lead connector assembly is electrically connected to the external medical device, wherein the Y connection connects the at least one conductor of a first polarity of the first external lead element and second external lead element to at least one conductor of a first polarity of the first cable portion, and further wherein the Y connection connects the at least one conductor of a second polarity of the first external lead element and second external lead element to at least one conductor of a second polarity of the first cable portion.

16. The apparatus according to claim 13, wherein the external medical device is at least one of an external pacemaker, a programmer, and an analyzer.

18. The apparatus according to claim 17, wherein the apparatus further comprises an indifferent electrode lead element associated with at least the first cable portion and configured to be electrically connected with a patient and terminated by the external lead connector assembly, wherein each of the external cable lead elements of the first pair of external cable lead elements and the second pair of external cable lead elements comprises at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device, and further wherein the indifferent electrode lead element comprises a conductor of a second polarity when the external lead connector assembly is electrically connected to the external medical device.

19. The apparatus according to claim 17, wherein each of the external cable lead elements of the first pair of external cable lead elements and the second pair of external cable lead elements comprises at least one conductor of a first polarity when the external lead connector assembly is electrically connected to the external medical device and at least one conductor of a second polarity when the external lead connector assembly is electrically connected to the external medical device, wherein the first Y connection connects the at least one conductor of a first polarity of the first pair of external cable lead elements to at least one conductor of a first polarity of the first cable portion, wherein the first Y connection connects the at least one conductor of a second polarity of the first pair of external cable lead elements to at least one conductor of a second polarity of the first cable portion, wherein the second Y connection connects the at least one conductor of a first polarity of the second pair of external cable lead elements to at least one conductor of a first polarity of the first cable portion, and further wherein the second Y connection connects the at least one conductor of a second polarity of the second pair of external cable lead elements to at least one conductor of a second polarity of the first cable portion.

20. The apparatus according to claim 17, wherein at least one lead adaptor of the plurality lead adaptors is configured for electrical connection to a quadripolar implantable lead.

21. The apparatus according to claim 17, wherein the external medical device is at least one of an external pacemaker, a programmer, and an analyzer.

13. A patient safety medical device cable apparatus comprising:

a multi-conductor insulated external cable, the external cable comprising;

a first cable portion having a first end and a second end, wherein the first cable portion comprises one or more conductors;

a second cable portion comprising a first external lead element and a second external lead element, wherein the first external lead element and the second external lead element correspond to a first bi-ventricular implantable lead and a second bi-ventricular implantable lead, respectively;

a Y-connector portion connected to the first end of the first cable portion, wherein the Y-connector portion comprises a Y connection electrically connecting the first external lead element and the second external lead element with one or more conductors of the first cable portion;

an external lead connector assembly terminating the second end of the first cable portion and configured to be electrically connected to an external medical device; and

a first lead adaptor and a second lead adaptor, wherein each lead adaptor is configured for electrical connection to an implantable lead, and further wherein the first external lead element is terminated by the first lead adaptor and the second external lead element is terminated by the second lead adaptor.

17. A patient safety medical device cable apparatus comprising:

a multi-conductor insulated external cable, the external cable comprising;

a first cable portion having a first end and a second end, wherein the first cable portion comprises one or more conductors;

a second cable portion comprising a first pair of external cable lead elements and a second pair of external cable lead elements, wherein the first pair of external cable lead elements corresponds to a pair of bi-atrial implantable leads, and further wherein the second pair of external cable lead elements corresponds to a pair of bi-ventricular implantable leads;

a Y-connector portion connected to the first end of the first cable portion, wherein the Y-connector portion comprises a first Y connection and a second Y connection, wherein the first Y connection electrically connects the first pair of external cable lead elements with one or more conductors of the first cable portion, and further wherein the second Y connection electrically connects the second pair of external cable lead elements with one or more conductors of the first cable portion;

an external lead connector assembly terminating the second end of the first cable portion and configured to be electrically connected to an external medical device; and

a plurality of lead adaptors, wherein each lead adaptor is configured for electrical connection to an implantable lead, and further wherein each of the external cable lead elements of the first pair of external cable lead elements and each of the second pair of external cable lead elements is terminated by one of the plurality of lead adaptors.

22. A method for electrically connecting one or more implantable leads to an external medical device, the method comprising:

providing a patient safety medical device cable apparatus comprising;

a multi-conductor insulated external cable, the external cable comprising;

a first cable portion having a first end and a second end, wherein the first cable portion comprises one or more conductors;

a second cable portion comprising at least one pair of external cable lead elements, wherein each of the at least one pair of external cable lead elements corresponds to one of a pair of bi-atrial implantable leads and a pair of bi-ventricular implantable leads;

a Y-connector portion connected to the first end of the first cable portion, wherein the Y-connector portion comprises at least one Y connection electrically connecting the at least one pair of external cable lead elements with one or more conductors of the first cable portion;

an external lead connector assembly terminating the second end of the first cable portion and configured to be electrically connected to an external medical device; and

two or more lead adaptors, wherein each lead adaptor is configured for electrical connection to an implantable lead, and further wherein each of the external cable lead elements of the at least one pair of external cable lead elements is terminated by one of the two or more lead adaptors;

electrically coupling at least one of the two or more lead adaptors to at least one of the implantable leads of the pair of bi-atrial implantable leads and the pair of bi-ventricular implantable leads; and

attaching the external lead connector assembly to the external medical device.

23. The method according to claim 22, wherein the patient safety medical device cable apparatus further comprises an indifferent electrode lead element terminated by the external lead connector assembly, and further wherein the method comprises connecting the indifferent electrode lead element with a patient.

24. The method according to claim 22, wherein the second cable portion of the patient safety medical device cable apparatus comprises a single pair of external cable lead elements, wherein the single pair of external cable lead elements corresponds to a single pair of bi-atrial implantable leads, and further wherein electrically coupling the two or more lead adaptors comprises electrically coupling each of the bi-atrial implantable leads to a lead adaptor that terminates each of the single pair of external cable lead elements.

25. The method according to claim 22, wherein the second cable portion of the patient safety medical device cable apparatus comprises a single pair of external cable lead elements, wherein the single pair of external cable lead elements corresponds to a single pair of bi-ventricular implantable leads, and further wherein electrically coupling the two or more lead adaptors comprises electrically coupling each of the bi-ventricular leads to a lead adaptor that terminates each of the single pair of external cable lead elements.

26. The method according to claim 22, wherein the second cable portion of the patient safety medical device cable apparatus comprises two pairs of external cable lead elements, wherein the two pairs of external cable lead elements correspond to a single pair of bi-atrial implantable leads and a single pair of bi-ventricular implantable leads, and further wherein electrically coupling the two or more lead adaptors comprises electrically coupling each of the bi-atrial and bi-ventricular implantable leads to a lead adaptor that terminates each of the two pairs of external cable lead elements.

27. The method according to claim 22, wherein the external medical device is at least one of an external pacemaker, a programmer, and an analyzer.

28. The method according to claim 22, wherein attaching the external lead connector assembly to the external medical device comprises:

attaching the external lead connector assembly to an external medical device adaptor; and

attaching the external medical device adaptor to the external medical device.