Inductive element for providing MRI compatibility in an implantable medical device lead
First Claim
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1. A lead adapter configured to electrically and mechanically connect a lead to an implantable pulse generator, the lead having one or more electrodes and a connector, the lead adapter comprising:
- a port configured to receive the connector of the lead into a lumen of the lead adapter;
a connector configured to be inserted into the pulse generator; and
an inductive element, the inductive element entirely circumferentially surrounding at least a portion of the lumen such that the inductive element entirely circumferentially surrounds at least a portion of the connector of the lead when the connector of the lead is received within the lumen, wherein the inductive element does not directly electrically connect to any conductor of the lead when the connector of the lead is received within the lumen.
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Abstract
A system includes a medical device lead including a connector at a proximal end of the lead, a conductor electrically connected to the connector at a proximal end of the conductor, and at least one electrode coupled to a distal end of the conductor. The system further includes a device securable to the proximal end of the lead including an inductive element. The device includes a port configured to receive the connector and position the inductive element around at least a portion of the connector.
384 Citations
20 Claims
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1. A lead adapter configured to electrically and mechanically connect a lead to an implantable pulse generator, the lead having one or more electrodes and a connector, the lead adapter comprising:
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a port configured to receive the connector of the lead into a lumen of the lead adapter; a connector configured to be inserted into the pulse generator; and an inductive element, the inductive element entirely circumferentially surrounding at least a portion of the lumen such that the inductive element entirely circumferentially surrounds at least a portion of the connector of the lead when the connector of the lead is received within the lumen, wherein the inductive element does not directly electrically connect to any conductor of the lead when the connector of the lead is received within the lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A lead adapter configured to connect a lead to an implantable pulse generator, the lead having one or more electrodes and a connector, the lead adapter comprising:
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a distal end portion comprising a port that is configured to receive the connector of the lead; a proximal end portion comprising a connector that is configured to connect with the pulse generator; and an insulative housing having a lumen and an inductive element that entirely circumferentially surrounds at least a portion of the lumen, the lumen configured to receive at least a portion of the connector of the lead inserted through the port, the inductive element positioned such that the inductive element entirely circumferentially surrounds at least a portion of the connector of the lead when the connector of the lead is received within the lumen, wherein the inductive element does not directly electrically connect to the connector of the lead when the connector of the lead is received within the lumen. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A lead adapter configured to electrically and mechanically connect a lead to an implantable pulse generator, the lead having one or more electrodes and a connector, the lead adapter comprising:
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a port configured to receive the connector of the lead into a lumen of the lead adapter; a connector configured to be inserted into the pulse generator; and an inductive coil, the inductive coil entirely circumferentially surrounding at least a portion of the lumen such that the inductive coil entirely circumferentially surrounds at least a portion of the connector of the lead when the connector of the lead is received within the lumen, wherein the inductive coil does not directly electrically connect to the connector of the lead when the connector of the lead is received within the lumen.
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Specification