METHODS AND APPARATUS FOR LEADS FOR IMPLANTABLE DEVICES
First Claim
1. A lead for use with an implantable device, the lead having at least two satellites at respective distinct positions along its length, the lead having at least one conductor extending along at least part of its length, the conductors extending to and electrically connected to each of the at least two satellites and further extending to an end of the lead for electrical connection to the implantable device;
- each satellite comprising at least one respective electrode positioned for contact external to the lead;
each satellite further comprising a respective integrated circuit electrically connected with the at least one conductor and electrically connected with the respective electrode;
each integrated circuit further comprising a respective first charge pump powered from the at least one conductor.
2 Assignments
0 Petitions
Accused Products
Abstract
A charge pump is provided in the same integrated circuit chip as a control means which permits selectively connecting any of one or more electrodes with conductors along a lead. The charge pump derives about two volts from a one-volt supply, and becomes stable within a few tens of microseconds. The charge pump may be composed of three doublers—the first generating timing signals for the second and third doublers, with the second and third doublers working out of phase with each other.
110 Citations
26 Claims
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1. A lead for use with an implantable device, the lead having at least two satellites at respective distinct positions along its length, the lead having at least one conductor extending along at least part of its length, the conductors extending to and electrically connected to each of the at least two satellites and further extending to an end of the lead for electrical connection to the implantable device;
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each satellite comprising at least one respective electrode positioned for contact external to the lead; each satellite further comprising a respective integrated circuit electrically connected with the at least one conductor and electrically connected with the respective electrode; each integrated circuit further comprising a respective first charge pump powered from the at least one conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13-17. -17. (canceled)
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18. A lead for use with an implantable device, the lead having at least two satellites at respective distinct positions along its length, the lead having at least one conductor extending along at least part of its length, the conductors extending to and electrically connected to each of the at least two satellites and further extending to an end of the lead for electrical connection to the implantable device;
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each satellite comprising at least one respective electrode positioned for contact external to the lead; each satellite further comprising a respective integrated circuit electrically connected with the at least one conductor and electrically connected with the respective electrode; each integrated circuit comprising respective first timing circuitry powered from the at least one conductor; each integrated circuit further comprising a respective first charge pump powered from the at least one conductor and switched by the respective first timing circuitry; each integrated circuit comprising respective second timing circuitry powered from the first charge pump; each integrated circuit further comprising a respective second charge pump powered from the at least one conductor and switched by the respective second timing circuitry; each integrated circuit further comprising a control means controlling connections between the at least one respective electrode and the at least one conductor, the control means powered from the respective second charge pump. - View Dependent Claims (19)
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20. A satellite for use with a lead having at least one conductor, the lead for use with an implantable device,
the satellite comprising at least one respective electrode positioned for contact external thereto; -
the satellite further comprising a respective integrated circuit electrically connected with the at least one conductor and electrically connected with the respective electrode; the integrated circuit comprising respective first timing circuitry powered from the at least one conductor; the integrated circuit further comprising a respective first charge pump powered from the at least one conductor and switched by the respective first timing circuitry; the integrated circuit comprising respective second timing circuitry powered from the first charge pump; the integrated circuit further comprising a respective second charge pump powered from the at least one conductor and switched by the respective second timing circuitry; the integrated circuit further comprising a control means controlling connections between the at least one respective electrode and the at least one conductor, the control means powered from the respective second charge pump. - View Dependent Claims (21)
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22. A lead for use with an implantable device, the lead having at least two satellites at respective distinct positions along its length, the lead having at least one conductor extending along at least part of its length, the conductors extending to and electrically connected to each of the at least two satellites and further extending to an end of the lead for electrical connection to the implantable device;
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each satellite comprising at least one respective electrode positioned for contact external to the lead; each satellite further comprising a respective integrated circuit electrically connected with the at least one conductor and electrically connected with the respective electrode; each integrated circuit comprising respective timing circuitry; each integrated circuit further comprising a respective first charge pump powered from the at least one conductor and switched by the respective timing circuitry; each integrated circuit further comprising a control means controlling connections between the at least one respective electrode and the at least one conductor, the control means powered from the respective first charge pump; the timing circuitry and first charge pump further characterized in that the power provided to the control means by the first charge pump is at least 1.8 volts, and wherein the power provided to the first charge pump by the at least one conductor is no more than 1.1 volts, and wherein the output of the first charge pump is stable within fifty microseconds of the provision of power to the first charge pump by the at least one conductor. - View Dependent Claims (23)
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24. A satellite for use with a lead having at least one conductor, the lead for use with an implantable device,
the satellite comprising at least one respective electrode positioned for contact external thereto; -
the satellite further comprising a respective integrated circuit electrically connected with the at least one conductor and electrically connected with the respective electrode; the integrated circuit comprising respective timing circuitry; the integrated circuit further comprising a respective charge pump powered from the at least one conductor and switched by the respective timing circuitry; the integrated circuit further comprising a control means controlling connections between the at least one respective electrode and the at least one conductor, the control means powered from the respective charge pump; the timing circuitry and charge pump further characterized in that the power provided to the control means by the charge pump is at least 1.8 volts, and wherein the power provided to the charge pump by the at least one conductor is no more than 1.1 volts, and wherein the output of the charge pump is stable within fifty microseconds of the provision of power to the charge pump by the at least one conductor. - View Dependent Claims (25)
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26-29. -29. (canceled)
Specification