Recharge system and method for deep or angled devices
First Claim
1. A method, comprising:
- providing first and second primary coils adapted to be positioned external to a patient; and
driving, via a control circuit, the first and second primary coils at a same time such that the first and the second primary coils are electromagnetically coupled to one another and to a secondary coil that is implantable within a patient.
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Abstract
Techniques are disclosed for recharging an Implantable Medical Device (IMD). In one embodiment, a first external coil is positioned on one side of a patient'"'"'s body, such as on a front side of the torso in proximity to the IMD. A second external coil is positioned on an opposite side of the patient'"'"'s body, such as on the back of the torso. A recharging device generates a current in each of the coils, inductively coupling the first and the second coils to the secondary recharge coil of the IMD. According to another aspect, each of the two external coils may wrap around a portion of the patient'"'"'s body, such as the torso or head, and are positioned such that the IMD lies between the coils. According to this aspect, current generated in the coils inductively couples to a second recharge coil that is angled within the patient'"'"'s body.
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Citations
11 Claims
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1. A method, comprising:
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providing first and second primary coils adapted to be positioned external to a patient; and driving, via a control circuit, the first and second primary coils at a same time such that the first and the second primary coils are electromagnetically coupled to one another and to a secondary coil that is implantable within a patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification