Atraumatic high-retention headpiece
First Claim
1. A headpiece, comprising:
- a housing having a bottom surface;
a transmission coil associated with the housing and coupled to electronic circuitry;
a magnet associated with the housing that secures the surface of the housing adjacent to skin; and
an array of flexible bumps associated with and protruding in a direction away from the bottom surface of the housing, the flexible bumps having a base end and a tip end and being arranged such that the tip ends of a first plurality of the flexible bumps together define a concave area and the tips ends of a second plurality of the flexible bumps defines a flat area.
2 Assignments
0 Petitions
Accused Products
Abstract
A headpiece for a cochlear implant system includes a transcutaneous transmission coil that transfers power and/or data to an implantable device implanted under a user'"'"'s skin. The headpiece includes a magnet for holding the transmission coil in close proximity to the receiver coil in the implanted device, which also contains a magnet, and provides the desired alignment between the coils so that inductive coupling may efficiently occur. The headpiece has a bottom surface for skin contact that includes a plurality of flexible bumps configured to distribute pressure over a large surface area while allowing blood flow throughout the area. This also provides friction contact with the skin to help secure the headpiece, reducing movement due to lateral loading, while reducing skin irritation and erosion.
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Citations
25 Claims
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1. A headpiece, comprising:
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a housing having a bottom surface; a transmission coil associated with the housing and coupled to electronic circuitry; a magnet associated with the housing that secures the surface of the housing adjacent to skin; and an array of flexible bumps associated with and protruding in a direction away from the bottom surface of the housing, the flexible bumps having a base end and a tip end and being arranged such that the tip ends of a first plurality of the flexible bumps together define a concave area and the tips ends of a second plurality of the flexible bumps defines a flat area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A headpiece, comprising:
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a housing having a bottom surface; a transmission coil associated with the housing and coupled to electronic circuitry; a magnet associated with the housing that secures the bottom surface of the housing adjacent to skin; and an array of flexible bumps, defining base ends and tip ends, associated with and protruding in a direction away from the bottom surface of the housing such that the tips ends are located between 0.010 and 0.040 inches from the bottom surface of the housing. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A headpiece, comprising:
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a housing having a bottom surface; a transmission coil associated with the housing and coupled to electronic circuitry; a magnet associated with the housing that secures the bottom surface of the housing adjacent to skin; and an array of flexible bumps associated with and protruding in a direction away from the bottom surface of the housing, the bumps haying a maximum width of between 0.010 and 0.040 inches. - View Dependent Claims (19, 20, 21, 22)
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23. A rubber pad for use on the skin-side face of a headpiece comprising:
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a disk or ring of rubber having; a thickness of less than 0.1 inches; and a concave surface having a plurality of flexible bumps protruding about 0.010 to 0.040 inches therefrom, wherein the bumps have a hardness of 20 to 70 Shore A durometer and a width of about 0.010 to 0.040 inches.
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24. A medical device system comprising:
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implantable componentry comprising an internal coil, an internal magnet, and internal electronics; external componentry comprising an external coil coupled to the internal coil, an external magnet magnetically coupled to the implanted magnet, and external electronics; and a headpiece housing the external coil and external magnet and having a plurality of flexible bumps on a rigid concave skin-facing surface thereof. - View Dependent Claims (25)
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Specification