Adjustable transcutaneous energy transfer system
A transcutaneous energy transfer system for an implantable medical device. The system comprises an internal coil assembly implantable in a recipient; and an external data coil assembly positioned in a housing worn by the recipient. The data coil assembly is configured to be inductively coupled to the internal coil assembly in order to transcutaneously transfer data to the internal coil assembly. One or more elements of the data coil assembly are physically adjustable with respect to the housing to alter the inductive coupling.
1. A hearing prosthesis comprising:
an internal coil assembly implantable in a recipient; and
an external data coil assembly positioned in a housing worn by the recipient, wherein the data coil assembly is configured to be inductively coupled to the internal coil assembly in order to transcutaneously transfer data to the internal coil assembly,
wherein one or more elements of the data coil assembly are physically adjustable with respect to the housing to alter the inductive coupling.
2. The hearing prosthesis of claim 1 , wherein the one or more adjustable elements of the data coil assembly comprise a wire coil, and wherein at least one of the orientation and the position of the coil is adjustable with respect to the housing to alter the coupling.
3. The hearing prosthesis of claim 2 , wherein the data coil assembly is attached to the housing by a support member, and wherein the support member is configured to rotate about at least one axis to change the orientation of the coil.
4. The hearing prosthesis of claim 3 , wherein the support member is configured to be rotated manually.
5. The hearing prosthesis of claim 3 , further comprises a drive component configured to rotate the support member about the at least one axis in response to a received electrical signal.
6. The hearing prosthesis of claim 1 , wherein the one or more adjustable elements of the data coil assembly comprise an elongate core and a wire coil wound around the elongate core, and wherein the core is physically rotatable about a longitudinal axis of the core from a first rotational position to a second rotational position, and wherein the inductive coupling between the data coil assembly and the internal coil assembly is different when the core is in the first and second rotational positions.
7. The hearing prosthesis of claim 6 , wherein the core is manually rotatable about the longitudinal axis.
8. The hearing prosthesis of claim 6 , further comprising a drive component configured to rotate the core about the longitudinal axis in response to an electrical signal.
9. The hearing prosthesis of claim 1 , wherein the data coil assembly comprises a wire coil wound around an elongate core, and wherein the physical location of the core with respect to the housing is adjustable to alter the inductive coupling.
10. The hearing prosthesis of claim 1 , wherein the data coil assembly comprises a wire coil wound around an elongate core having a cylindrical main member and one or more cylindrical extensions extending perpendicularly from the main member.
11. The hearing prosthesis of claim 1 , wherein the implantable component is configured to transcutaneously transfer data to the external component via the inductive coupling.
12. A transcutaneous energy transfer system for an implantable medical device, comprising:
an internal coil assembly implantable in a recipient; and
an external data coil assembly positioned in a housing worn by the recipient and configured to be inductively coupled to the internal coil assembly to transcutaneously transfer data to the internal coil assembly,
wherein one or more elements of the data coil assembly are physically adjustable with respect to the housing to alter the inductive coupling.
13. The system of claim 12 , wherein the one or more adjustable elements of the data coil assembly comprise a wire coil, and wherein at least one of the orientation and position of the coil is adjustable with respect to the housing to alter the coupling.
14. The system of claim 13 , wherein the data coil assembly is attached to the housing by a support member configured to rotate about at least one axis to change the orientation of the coil.
15. The system of claim 14 , wherein the support member is configured to be rotated manually.
16. The system of claim 14 , wherein the support member further comprises a drive component configured to rotate the support member about the at least one axis in response to an electrical signal.
17. The system of claim 12 , wherein the one or more adjustable elements of the data coil assembly comprise an elongate core and a wire coil wound around the elongate core, and wherein the core is physically rotatable about a longitudinal axis of the core from a first rotational position to a second rotational position, and wherein the inductive coupling between the data coil assembly and the internal coil assembly is different when the core is in the first and second rotational positions.
18. The system of claim 17 , wherein the core is manually rotatable about the longitudinal axis.
19. The system of claim 17 , where the support member further comprises a drive component configured to rotate the support member about the at least one axis in response to an electrical signal.
20. The system of claim 12 , wherein the data coil assembly comprises a wire coil wound around an elongate core, and wherein the physical location of the core with respect to the coil is adjustable to alter the inductive coupling.
21. The system of claim 12 , wherein the data coil assembly comprises a wire coil wound around an elongate core having a cylindrical main member and one or more cylindrical extensions extending perpendicularly from the main member.
22. The system of claim 12 , wherein the internal coil assembly is configured to transcutaneously transfer data to the external coil assembly.
23. A method for using a hearing prosthesis comprising an internal coil assembly implantable in a recipient, and an external data coil assembly positioned in a housing worn by the recipient and configured to be inductively coupled to the internal coil assembly, the method comprising:
receiving an indication of the strength of the inductive coupling between the data coil assembly and the internal coil assembly; and
physically adjusting one or more elements of the data coil assembly with respect to the housing to alter the inductive coupling between the data coil assembly and the internal coil assembly.
24. The method of claim 23 , wherein the data coil assembly comprises a wire coil, and wherein physically adjusting the one or more elements of the data coil assembly comprises:
adjusting the orientation of the coil with respect to the housing.
25. The method of claim 24 , wherein the data coil assembly is attached to a housing of the external component by a support member, and wherein physically adjusting the one or more elements of the data coil assembly comprises:
rotating the support member about at least one axis.
26. The method of claim 23 , wherein the data coil assembly comprises a wire coil wound around an elongate core physically rotatable about a longitudinal axis of the core from a first rotational position to a second rotational position, and wherein physically adjusting the one or more elements of the data coil assembly comprises:
rotating the coil from the first position to the second position.
27. The method of claim 23 , wherein the data coil assembly comprises a wire coil wound around an elongate core, and wherein physically adjusting the one or more elements of the data coil assembly comprises:
changing the physical location of the core with respect to the housing.