Medical device communication and charging assemblies for use with implantable signal generators, and associated systems and methods
First Claim
Patent Images
1. An implantable medical device for delivering electrical therapy signals to a patient'"'"'s spinal region to alleviate pain, comprising:
- a can having a shell and a lid, wherein the lid includes a plurality of feed-throughs;
an output terminal positioned to provide electrical power to a signal delivery device;
a controller disposed within the can and coupled to the output terminal to control electrical power directed to the output terminal;
a battery disposed within the can and coupled to the controller;
a plurality of wires, individual wires extending upwardly from the can through corresponding individual feed-throughs;
a header carried by the can;
a support element disposed within the header;
a charging coil having at least one wire loop, the charging coil being carried by the support element in the header such that the entirety of the wire loop is disposed outside of the can, wherein the charging coil is operably coupled to the battery via at least one first individual wire, and wherein the charging coil is configured to charge the battery with electrical current generated via electromagnetic induction; and
a communication antenna carried by the support element and operably coupled to the controller via at least one second individual wire, wherein the communication antenna is configured to receive data transmitted to the implantable medical device via an electromagnetic signal.
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Abstract
Communication and charging assemblies for medical devices are disclosed herein. A communication and charging assembly in accordance with a particular embodiment includes a support element, with a communication antenna and a charging coil coupled to the support element. The charging coil can include wire loops having a plurality of wires and the support element can include a mounting surface shaped to match the charging coil and the communication antenna. In one embodiment, the communication and charging assembly are mounted in a header of an implantable signal generator.
148 Citations
14 Claims
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1. An implantable medical device for delivering electrical therapy signals to a patient'"'"'s spinal region to alleviate pain, comprising:
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a can having a shell and a lid, wherein the lid includes a plurality of feed-throughs; an output terminal positioned to provide electrical power to a signal delivery device; a controller disposed within the can and coupled to the output terminal to control electrical power directed to the output terminal; a battery disposed within the can and coupled to the controller; a plurality of wires, individual wires extending upwardly from the can through corresponding individual feed-throughs; a header carried by the can; a support element disposed within the header; a charging coil having at least one wire loop, the charging coil being carried by the support element in the header such that the entirety of the wire loop is disposed outside of the can, wherein the charging coil is operably coupled to the battery via at least one first individual wire, and wherein the charging coil is configured to charge the battery with electrical current generated via electromagnetic induction; and a communication antenna carried by the support element and operably coupled to the controller via at least one second individual wire, wherein the communication antenna is configured to receive data transmitted to the implantable medical device via an electromagnetic signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An implantable signal generator, comprising:
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a can having an output terminal and a battery electrically coupled to the output terminal; and a header portion adjacent the can and having a plurality of receiving elements positioned to provide electrical connections;
an epoxy volume at least partially encasing the receiving elements, a communication antenna, and a charging coil electrically coupled to the battery, wherein the charging coil is positioned to receive electromagnetic energy and direct electrical current to charge the battery, and wherein the communication antenna is positioned to receive external control signals.
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8. An implantable signal generator, comprising:
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a can having an output terminal and a battery electrically coupled to the output terminal; and a header portion adjacent the can and having a communication antenna, and a charging coil electrically coupled to the battery, wherein the charging coil is positioned to receive electromagnetic energy and direct electrical current to charge the battery, wherein the communication antenna is positioned to receive external control signals, wherein the header includes a curved surface, and wherein the charging coil is shaped to at least partially match the curved surface.
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9. An implantable signal generator, comprising:
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a can having an output terminal and a battery electrically coupled to the output terminal, wherein the can includes a shell and a lid, the lid having a plurality of feed-throughs; a header portion adjacent the can and having a communication antenna, and a charging coil electrically coupled to the battery, wherein the charging coil is positioned to receive electromagnetic energy and direct electrical current to charge the battery, and wherein the communication antenna is positioned to receive external control signals; a controller positioned within the can and configured to direct electrical signals to the output terminal; and a plurality of wires positioned to extend through the feed-throughs and operably couple the controller to the communication antenna and the battery to the charging coil.
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10. A method for forming an implantable signal generator, the method comprising:
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forming a shell; positioning a battery and a controller within the shell; forming a lid having a plurality of feed-throughs; attaching the lid to the shell; forming a charging coil and electrically coupling the charging coil to the battery; forming a communication antenna and electrically coupling the communication antenna to the controller; and positioning the communication antenna and the charging coil to be supported by the lid, external to the shell, wherein the communication antenna is positioned to receive external control signals, and wherein the charging coil is positioned to receive electromagnetic energy and direct electrical current to charge the battery. - View Dependent Claims (11, 12, 13, 14)
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Specification