High efficiency magnetic link for implantable devices
First Claim
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1. A charging head comprising:
- a contact surface;
a retention feature configured to secure a position and orientation of the charging head with respect to a portion of a body; and
a charging coil comprising a wire wrapped in a plurality of wire windings around an elongate core, wherein the charging coil is rotatably coupled to the retention feature, wherein the charging coil including both the plurality of wire windings and elongate core are rotatable with respect to the retention feature.
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Abstract
Systems and devices for a high-efficiency magnetic link for implantable devices are disclosed herein. These devices can include a charging coil located in the implantable device and a charging coil located in a charge head of a charger. The charging coils can each include an elongate core and wire windings wrapped around a longitudinal axis of the elongate core. The charging coil of the charge head can be attached to a rotatable mount, which can be used to align the longitudinal axis of the charging coil of the charge head with longitudinal axis of the implantable device such that the axes of the charging coils are parallel.
336 Citations
16 Claims
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1. A charging head comprising:
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a contact surface; a retention feature configured to secure a position and orientation of the charging head with respect to a portion of a body; and a charging coil comprising a wire wrapped in a plurality of wire windings around an elongate core, wherein the charging coil is rotatably coupled to the retention feature, wherein the charging coil including both the plurality of wire windings and elongate core are rotatable with respect to the retention feature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification