Devices and methods for visually indicating the alignment of a transcutaneous energy transfer device over an implanted medical device
First Claim
1. A charging device for charging an implanted medical device, comprising:
- a replenishable power supply;
a coil assembly electrically coupled to the power supply, the coil assembly including a primary coil and a plurality of sense coils positioned proximate to the primary coil;
electrical circuitry operable to;
measure an electrical parameter of the coil assembly; and
determine a linear displacement value between the coil assembly and the implanted medical device based on the measured electrical parameter; and
a visual communications interface operable to;
receive an input from the electrical circuitry, the input including the linear displacement value;
visually display on a screen the position of the coil assembly represented by a first image relative to the position of the implanted medical device represented by a second image based on the input received from the electrical circuitry; and
visually update the position of the coil assembly represented by the first image relative to the position of the implanted medical device represented by the second image in response to movements between the coil assembly and the implanted medical device.
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Accused Products
Abstract
The present disclosure involves a charging system for charging an implanted medical system. The charging device includes a replenishable power supply. The charging device includes a coil assembly electrically coupled to the power supply. The coil assembly includes a primary coil and a plurality of sense coils positioned proximate to the primary coil. The charging device includes electrical circuitry operable to: measure an electrical parameter of the coil assembly; and determine a position of the coil assembly relative to a position of the implanted medical device based on the measured electrical parameter. The charging device includes a visual communications interface operable to: receive an input from the electrical circuitry; and visually display on a screen the position of the coil assembly relative to the position of the implanted medical device based on the input received from the electrical circuitry.
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Citations
41 Claims
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1. A charging device for charging an implanted medical device, comprising:
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a replenishable power supply; a coil assembly electrically coupled to the power supply, the coil assembly including a primary coil and a plurality of sense coils positioned proximate to the primary coil; electrical circuitry operable to; measure an electrical parameter of the coil assembly; and determine a linear displacement value between the coil assembly and the implanted medical device based on the measured electrical parameter; and a visual communications interface operable to; receive an input from the electrical circuitry, the input including the linear displacement value; visually display on a screen the position of the coil assembly represented by a first image relative to the position of the implanted medical device represented by a second image based on the input received from the electrical circuitry; and visually update the position of the coil assembly represented by the first image relative to the position of the implanted medical device represented by the second image in response to movements between the coil assembly and the implanted medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A medical charging system, comprising:
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a coil assembly structure that includes; a plurality of position-sensing coils; and a primary coil disposed proximate to the position-sensing coils; circuitry that is electrically coupled to the coil assembly structure, the circuitry being configured to; make measurements of electrical characteristics of the position-sensing coils; and translate the measurements into electrical data representing a value of a location displacement between the coil assembly structure and an implanted medical device disposed within a body tissue; and a visual display unit configured to; receive inputs or commands from the circuitry, wherein the inputs or commands contain the value of the location displacement; in response to the received inputs or commands, visually demonstrate on a display screen a locational image of the coil assembly relative to a locational image of the implanted medical device; and update the locational image of the coil assembly relative to the locational image of the implanted medical device in response to movements between the coil assembly and the implanted medical device. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. An apparatus for charging a medical device implanted in a body tissue, comprising:
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first means for transcutaneously delivering electrical power to the implanted medical device; second means for gathering electrical data associated with the first means and for calculating a linear displacement value between the first means and the implanted medical device based on the gathered electrical data; and third means for; visually displaying images that represent the calculated linear displacement value between the first means and the implanted medical device; offering directional instructions based on the calculated linear displacement value; and updating the images in response to movements between the first means and the implanted medical device. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
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33. A method for charging an implanted medical device, comprising:
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providing a coil assembly, the coil assembly including a primary coil and a plurality of position-sensing coils; measuring an electrical parameter of the coil assembly; determining, in response to the measuring, a linear displacement value between the coil assembly and the implanted medical device; and visually displaying, based on the determined linear displacement value, a linear displacement between the coil assembly and the implanted medical device, wherein the visually displaying comprises updating images that represent the linear displacement in response to movements between the coil assembly and the implanted medical device. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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Specification