Behind-the-ear (BTE) prosthetic device with antenna

• US 8,934,984 B2
• Filed: 06/02/2008
• Issued: 01/13/2015
• Est. Priority Date: 05/31/2007
• Status: Active Grant

• Current Assignee: Cochlear Limited
• Original Assignee: Cochlear Limited
• Inventors: Meskens, Werner, Jurkiewicz, Tadeusz, Winnall, Steve, Zhong, Limin
• Primary Examiner(s): Koharski, Christopher D
• Assistant Examiner(s): Patel, Natasha
• Application Number:
  US12/131,867
• Publication Number:
  US 20080304686A1
• Time in Patent Office: 2,416 Days
• Field of Search: 607 55- 57, 607136-137
• US Class Current: 607/55
• CPC Class Codes: A61N 1/36036 of the outer, middle or inner ear
• CPC Class Codes: H04R 2225/0216 BTE hearing aids having a receiver in the ear mould
• CPC Class Codes: H04R 2225/025 In the ear hearing aids [ITE] hearing aids
• CPC Class Codes: H04R 2225/51 Aspects of antennas or their circuitry in or for hearing aids
• CPC Class Codes: H04R 2225/55 Communication between hearing aids and external devices via a network for data exchange
• CPC Class Codes: H04R 2225/57 Aspects of electrical interconnection between hearing aid parts
• CPC Class Codes: H04R 25/554 using a wireless connection, e.g. between microphone and amplifier or using Tcoils
• CPC Class Codes: H04R 25/556 External connectors, e.g. plugs or modules H04R25/607 takes precedence
• CPC Class Codes: H04R 25/60 Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles ear wax retarders, e.g. mounting thereof H04R25/654
• CPC Class Codes: H04R 25/607 of earhooks
• CPC Class Codes: H04R 25/65 Housing parts, e.g. shells, tips or moulds, or their manufacture

Abstract

A BTE prosthetic device for use in a medical system or prosthesis comprises a connector configured to mechanically attach an auxiliary device of the system to the BTE prosthetic device. The connector is electrically connected to an transceiver of the BTE prosthetic device. The connector operates as an electromagnetic antenna for transmitting and/or receiving signals between the BTE prosthetic and other components of the medical system.

Claims

1. A behind-the-ear (BTE) prosthetic device for use in a medical system comprising:

a connector configured to mechanically attach an ear hook to said BTE prosthetic device; and

a transceiver comprising one or more of an RF transmitter and an RF receiver,

wherein said connector is electrically connected to said transceiver, and wherein said connector is configured to operate as an electromagnetic antenna for wireless communication between said BTE prosthetic device and one or more other components of said system;

wherein said connector comprises an electrically conductive outer body configured to be connected to said transceiver.

2. The BTE prosthetic device of claim 1, wherein said connector is configured to operate as an electromagnetic antenna in the electromagnetic wave propagation field.

3. The BTE prosthetic device of claim 1, wherein said connector is configured to operate as an open-ended wire antenna.

4. The BTE prosthetic device of claim 3, wherein said connector operates as an open-ended wire antenna selected from a group comprising monopole, stub, helix or helical wound coil, meander and dipole antennas.

5. The BTE prosthetic device of claim 1, further comprising an antenna impedance matching unit connected to said connector.

6. The BTE prosthetic device of claim 1, wherein said connector is further configured to electrically connect said ear hook to said BTE prosthetic device, and wherein said connector comprises a plurality of separate electrical conduction paths for transmission of electrical signals.

7. The BTE prosthetic device of claim 1, wherein said connector protrudes from said BTE prosthetic device.

8. The BTE prosthetic device of claim 1, wherein said connector is configured to mechanically attach said ear hook to said BTE prosthetic device by way of at least one of a threaded attachment mechanism, a snap-lock mechanism and a click-fit mechanism.

9. The BTE prosthetic device of claim 1, wherein said system comprises first and second coil antennas separate from said electromagnetic antenna, and wherein said connector is configured to mechanically attach said first coil antenna to said BTE prosthetic device, said first coil constructed and arranged for magnetic inductive coupling with said second coil antenna.

10. The BTE prosthetic device of claim 1, wherein said system further comprises an antenna device configured to be attached to said connector of said BTE prosthetic device, said antenna device comprising:

a second connector configured to be attached to said connector of said BTE prosthetic device;

an impedance matching circuit; and

a lead configured to be attached to said second connector,

wherein the impedance matching circuit adapts the impedance of said lead to the impedance of said transceiver of said BTE prosthetic device, and wherein said lead is operable as an extension of said electromagnetic antenna.

11. The BTE prosthetic device of claim 10, wherein said connector of said BTE prosthetic device, said second connector of said antenna device and said lead are collectively operable as an electromagnetic antenna.

12. The BTE prosthetic device of claim 1, further comprising:

a housing containing at least one electronic component of the BTE prosthetic device, wherein the housing is contoured to fit behind an ear, wherein

the connector protrudes directly from the housing.

13. The BTE prosthetic device of claim 1, further comprising:

a housing containing at least one electronic component of the BTE prosthetic device, wherein the housing extends in a generally arcuate manner from a first end to a second end of the housing, wherein

the connector protrudes from the housing no further than a first distance, and

a distance of arcuate extension of the housing from the first end to the second end is substantially more than the first distance.

14. A cochlear implant system, comprising:

an implantable component;

an ear hook; and

a behind-the-ear (BTE) prosthetic device comprising;

a connector configured to mechanically attach said ear hook to said BTE prosthetic device; and

a transceiver comprising one or more of an RF transmitter and an RF receiver, wherein said connector is electrically connected to said transceiver, and wherein said connector is configured to operate as an electromagnetic antenna for wireless communication between said BTE prosthetic device and said implantable component;

wherein said connector comprises an electrically conductive outer body configured to be connected to said transceiver.

15. The cochlear implant of claim 14, wherein said connector is configured to operate as an electromagnetic antenna in the electromagnetic wave propagation field.

16. The cochlear implant of claim 14 wherein said connector is configured to operate as an open-ended wire antenna.

17. The cochlear implant of claim 16, wherein said connector operates as an open-ended wire antenna selected from a group comprising monopole, stub, helix or helical wound coil, meander and dipole antennas.

18. The cochlear implant of claim 14, wherein said BTE prosthetic device further comprises an antenna impedance matching unit connected to said connector.

19. The BTE prosthetic device of claim 14, further comprising:

a housing containing at least one electronic component of the BTE prosthetic device, wherein the housing is contoured to fit behind an ear, wherein

the connector protrudes directly from the housing.

20. The BTE prosthetic device of claim 14, further comprising:

a housing containing at least one electronic component of the BTE prosthetic device, wherein the housing extends in a generally arcuate manner from a first end to a second end of the housing, wherein

the connector protrudes from the housing no further than a first distance, and

a distance of arcuate extension of the housing from the first end to the second end is substantially more than the first distance.

21. The cochlear implant of claim 14, wherein said connector is further configured to electrically connect said ear hook to said BTE prosthetic device, and wherein said connector comprises a plurality of separate electrical conduction paths for transmission of electrical signals.

22. The cochlear implant of claim 14, wherein said connector protrudes from said BTE prosthetic device.

23. The cochlear implant of claim 14, wherein said connector is configured to mechanically attach said ear hook to said BTE prosthetic device by way of at least one of a threaded attachment mechanism, a snap-lock mechanism and a click-fit mechanism.

24. The cochlear implant of claim 14, further comprises first and second coil antennas separate from said electromagnetic antenna, and wherein said connector is configured to mechanically attach said first coil antenna to said BTE prosthetic device, said first coil constructed and arranged for magnetic inductive coupling with said second coil antenna.

25. The cochlear implant of claim 14, further comprising an antenna device configured to be attached to said connector of said BTE prosthetic device, said antenna device comprising:

a second connector configured to be attached to said connector of said BTE prosthetic device;

an impedance matching circuit; and

a lead configured to be attached to said second connector,

wherein the impedance matching circuit adapts the impedance of said lead to the impedance of said transceiver of said BTE prosthetic device, and wherein said lead is operable as an extension of said electromagnetic antenna.

26. A behind-the-ear (BTE) prosthetic device for use in a medical system comprising:

means for mechanically attaching an ear hook to said BTE prosthetic device; and

means for one or more of transmitting and receiving an RF signal;

wherein said means for attaching said ear hook to said BTE prosthetic device is configured to provide a means for wireless communication between said BTE prosthetic device and one or more other components of said system;

wherein said means for mechanically attaching said ear hook to said BTE prosthetic device comprises an electrically conductive outer body configured to be connected to said means for one or more of transmitting and receiving an RF signal.

27. The BTE prosthetic device of claim 26, wherein said means for wireless communication between said BTE prosthetic device and one or more other components of said system comprises an electromagnetic antenna.