Implantable Pulse Generator Usable During a Trial Stimulation Phase and Externally Powered by Magnetic Inductive Coupling
First Claim
1. A system, comprising:
- an external charging device, wherein the external charging device comprises a primary charging coil configured to continuously provide a magnetic field; and
an implantable pulse generator, comprisinga housing,electronic circuitry within the housing,a secondary charging coil configured to continuously receive the magnetic field by magnetic induction to provide power to the electronic circuitry, wherein the implantable pulse generator does not comprise a power source to provide power to the electronic circuitry, andat least one connector block, wherein each connector block includes an opening into which a lead for stimulating a patient'"'"'s tissue can be inserted and later removed, wherein contacts in each connector block are connected to the electronic circuitry.
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Accused Products
Abstract
An implantable pulse generator (IPG) allowing for trial stimulation in a fully implanted solution is disclosed. At the time the leads are implanted, a micro IPG having lead connection block(s) is also implanted and connected to the leads. To keep the micro IPG suitably small, it preferably does not include a battery, and is instead powered continuously via magnetic induction using a magnetic field produced by an external charger, such as a charging patch. A coil in the micro IPG picks up and rectifies this magnetic field to provide power to stimulating electronics in the IPG. Because of its small size (e.g., ≦10 cm3), implantation of the micro IPG can occur at the same time the leads are implanted in the patient without inconvenience. Should stimulation therapy with the micro IPG prove effective, a larger, permanent IPG can later be implanted and connected to the implanted leads.
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Citations
18 Claims
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1. A system, comprising:
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an external charging device, wherein the external charging device comprises a primary charging coil configured to continuously provide a magnetic field; and an implantable pulse generator, comprising a housing, electronic circuitry within the housing, a secondary charging coil configured to continuously receive the magnetic field by magnetic induction to provide power to the electronic circuitry, wherein the implantable pulse generator does not comprise a power source to provide power to the electronic circuitry, and at least one connector block, wherein each connector block includes an opening into which a lead for stimulating a patient'"'"'s tissue can be inserted and later removed, wherein contacts in each connector block are connected to the electronic circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An implantable pulse generator, comprising:
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a conductive or ceramic housing; electronic circuitry within the housing; a charging coil, wherein the charging coil is configured to receive a magnetic field to provide power to the electronic circuitry, wherein the implantable pulse generator does not comprise a power source to provide power to the electronic circuitry; and at least one connector block within the housing, wherein each connector block includes an opening into which a lead for stimulating a patient'"'"'s tissue can be inserted and later removed, wherein contacts in each connector block are connected to the electronic circuitry.
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18. An implantable pulse generator, comprising:
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a housing; electronic circuitry within the housing; a charging coil, wherein the charging coil is configured to receive a magnetic field to provide power to the electronic circuitry, wherein the implantable pulse generator does not comprise a power source to provide power to the electronic circuitry; at least one electrode wire cable extending outwardly from the housing, wherein each electrode wire cable comprises a plurality of electrode wires connected to the electronic circuitry; and a connector block connected to each at least one electrode wire cable, wherein each connector block includes an opening into which a lead for stimulating a patient'"'"'s tissue can be inserted and later removed, wherein each of the plurality of electrode wires in an electrode wire cable connected to a connector block are coupled to contacts in that connector block.
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Specification