Articulated hearing device

• US 5,701,348 A
• Filed: 12/29/1994
• Issued: 12/23/1997
• Est. Priority Date: 12/29/1994
• Status: Expired due to Term

• Current Assignee: K/S HIMPP
• Original Assignee: Decibel Instruments, Inc.
• Inventors: Urso, Richard, Shennib, Adnan
• Primary Examiner(s): Kuntz, Curtis
• Assistant Examiner(s): CHIN, VIVIAN C
• Application Number:
  US08/365,913
• Time in Patent Office: 1,090 Days
• Field of Search: 381/68.6, 381/68, 381/68.3, 381/69, 381/69.2, 181/135, 181/130
• US Class Current: 381/328
• CPC Class Codes: H04R 2225/023 Completely in the canal [CIC] hearing aids
• CPC Class Codes: H04R 2225/57 Aspects of electrical interconnection between hearing aid parts
• CPC Class Codes: H04R 25/456 mechanically
• 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 25/609 of circuitry of electronic switches or control elements H04R25/603
• CPC Class Codes: H04R 25/652 Ear tips; Ear moulds hybrid ear moulds or post-processing thereof for their customisation H04R25/659
• CPC Class Codes: H04R 25/654 Ear wax retarders
• CPC Class Codes: H04R 25/656 Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal

Abstract

A hearing device having highly articulated, non-contiguous parts and adapted for placement within the ear canal includes a receiver module for delivering acoustic signals within close proximity to the tympanic membrane, a main module containing all hearing aid components except the receiver, and a connector that routes amplified electrical signals from the main module to the receiver module. The connector fits in the cartilaginous area of the ear canal and is articulated with both the receiver module and main module to permit independent movement of the receiver module and main module while the hearing device is inserted or removed and during various jaw movements, such as chewing, yawning, and talking. The connector may be an adjustable shaft that accommodates various canal lengths and that allows incremental receiver placement depths within the ear canal. The receiver module, which is inserted deeply, preferably in the bony portion of the ear canal to provide all of the advantages associated with deep receiver placement, incorporates various sealing means to substantially reduce acoustic leakage that causes oscillatory feedback.

Claims

1. A hearing device, comprising:

a main module adapted to contain any of a microphone, a battery, device controls, and a signal processing circuit;

a receiver module adapted to contain a receiver; and

a connector adapted to provide an electrical connection between said main module and said receiver module;

wherein at least two of said main module, receiver module, and connector are connected by an articulating joint, such that said modules move freely and independently, one relative to the other within a range of movement and to freely maintain a position at any point within this range of movement, to permit independent movement of any of said main module and said receiver module in response to in situ ear canal deformation; and

wherein said main module and said receiver module are each contained in separate, relatively rigid, non-resilient housings.

2. The hearing device of claim 1, wherein said main module is positioned in a medial concha area of said ear canal just behind the tragus.

3. The hearing device of claim 1, said main module further comprising:

a face-plate positioned either flush with or beyond an ear canal aperture.

4. The hearing device of claim 1, where main module controls are programmed into said main module.

5. The hearing device of claim 1, said receiver module further comprising:

an acoustic seal.

6. The hearing device of claim 5, wherein any or all of said main module, said receiver module, said connector, and said acoustic seal are provided in assorted, standard sizes.

7. The hearing device of claim 5, wherein any or all of said main module, said receiver module, said connector, and said acoustic seal are custom manufactured.

8. The hearing device of claim 5, said acoustic seal further comprising:

a soft and compliant material.

9. The hearing device of claim 5, said acoustic seal further comprising:

a soft and compliant bulbous ending.

10. The hearing device of claim 5, wherein said acoustic seal is made of any of a silicone material or a foam material.

11. The hearing device of claim 5, wherein said acoustic seal is either disposable, washable, or both.

12. The hearing device of claim 5, said acoustic seal further comprising:

a snap-on seal tip.

13. The hearing device of claim 5, said acoustic seal further comprising:

a threaded seal tip.

14. The hearing device of claim 5, said acoustic seal further comprising:

a tip that is articulated with respect to said receiver module.

15. The hearing device of claim 5, said acoustic seal further comprising:

at least one sealing ring.

16. The hearing device of claim 5, acoustic seal further comprising:

a removable sleeve.

17. The hearing device of claim 5, said acoustic seal further comprising:

a canal.

18. The hearing device of claim 5, wherein said acoustic seal is adapted for deep insertion into the individual'"'"'s ear canal to minimize or eliminate occlusion effects.

19. The hearing device of claim 5, wherein said acoustic seal is coupled to said receiver to seal said ear canal and thereby prevent oscillatory feedback.

20. The hearing device claim 1, said connector further comprising:

a covering for reducing oscillatory feedback.

21. The hearing device of claim 1, said connector further comprising:

a covering having an absorbent layer for cerumen collection.

22. The hearing device of claim 1, wherein said articulation is achieved by at least one of:

a single point of articulation between said main module and said receiver module;

a single point of articulation between said receiver module and said connector;

a dual point of articulation at each end of said connector; and

a flexible connector adapted to provide at least one point of articulation between said receiver module and said main module.

23. The hearing device of claim 1, further comprising:

means adapted to provide said articulation.

24. The hearing device of claim 23, wherein said articulation means comprise any of:

a ball joint;

a flexible joint; and

a tapered boot.

25. The hearing device of claim 23, wherein said connector comprises any of:

a flexible connector;

a flexible connector having a relatively rigid center portion and comparatively flexible ends;

a flexible shaft having alternating grooves;

a spring coil; and

a rigid connector.

26. The hearing device of claim 1, wherein said receiver module is adapted to be positioned in any one of:

the bony area of the ear canal; and

the deeper cartilaginous area of the ear canal.

27. The hearing device of claim 1, wherein the diameter of either of said connector, said articulating joint, or said receiver module is less than the diameter of the individual'"'"'s ear canal.

28. The hearing device of claim 1, wherein said connector is adapted to be positioned in the cartilaginous area of the ear canal.

29. The hearing device of claim 1, wherein said connector is adjustable to accommodate a variety of individual ear canal lengths, and to permit receiver placement at a selected depth in the ear canal.

30. The hearing device of claim 1, further comprising:

means for adjusting the length of said connector length, said adjusting means comprising at least one of;

a turnbuckle shaft; and

a telescoping shaft.

31. The hearing device of claim 1, further comprising:

a plurality of modular, differently dimensioned, detachable sizers, said sizers being adapted to determine at least optimal hearing device size, patient comfort, hearing device ear canal insertion depth tolerance, ease of ear canal insertion and removal, appearance, and overall hearing device physical characteristics.

32. The hearing device of claim 1, said main module further comprising:

a vent adapted to receive a probe tube.

33. The hearing device of claim 1, said main module further comprising:

at least one vent adapted to vent the patient'"'"'s ear canal to thereby reduce occlusion effect and improve air circulation.

34. The hearing device of claim 1, said receiver module further comprising:

a canal adapted to receive a probe tube.

35. The hearing device of claim 1, said receiver module further comprising:

a canal adapted to provide pressure relief.

36. The hearing device of claim 1, said main module including a microphone, wherein said microphone is adapted to receive direct acoustic input from a receiver in accordance with virtual electroacoustic audiometry.

37. The hearing device of claim 1, wherein said receiver module is adapted for deep insertion into the patient'"'"'s ear canal to minimize or eliminate occlusion effects.

38. The hearing device of claim 1, said connector further comprising:

means for reducing vibration-caused oscillatory feedback.

39. The hearing device of claim 38, wherein said means for reducing vibration-caused oscillatory feedback are made of a viscoelastic material.

40. The hearing device of claim 1, said connector further comprising:

means for reducing piston action caused oscillatory feedback.

41. The hearing device of claim 40, wherein said means for reducing piston action caused oscillatory feedback are made of a viscoelastic material.

42. The hearing device of claim 1, wherein said receiver module and said main module are acoustically and/or vibrationally isolated from each other.

43. The hearing device of claim 1, further comprising:

an acoustic seal that is adapted to be positioned in any one of;

the bony area of the ear canal;

or

the deeper cartilaginous area of the ear canal.

44. The hearing device of claim 1, wherein said main module and said receiver module are contained in, or associated with, separate, non-contiguous housings.

45. An intra-canal prosthesis (ICP) that is representative of a hearing aid prostheses, said ICP being adapted to perform unaided, simulated aided hearing evaluation in accordance with virtual electroacoustic audiometry, said ICP comprising:

a main module adapted to provide an electrical connection to a virtual electroacoustic audiometer;

a receiver module adapted to contain a receiver; and

a connector adapted to provide an electrical connection between said main module and said receiver module;

wherein at least two of said main module, receiver module, and connector are connected by an articulating joint, such that said modules move freely and independently, one relative to the other within a range of movement and to freely maintain a position at any point within this range of movement, to permit independent movement of any of said main module, said receiver module, and said connector in response to in situ ear canal deformation; and

wherein said main module and said receiver module are each contained in separate, relatively rigid, non-resilient housings.

46. A hearing device, comprising:

a main module comprising any of a microphone, a battery, device controls, and a signal processing circuit;

a receiver module comprising a receiver; and

a connector for providing an electrical connection between said main module and said receiver module;

wherein at least two of said main module, receiver module, and connector are connected by an articulating joint, such that said modules move freely and independently, one relative to the other within a range of movement and to freely maintain a position at any point within this range of movement, to permit independent movement of any of said main module, said receiver module, and said connector in response to in situ ear canal deformation; and

wherein said main module and said receiver module are each contained in separate, relatively rigid, non-resilient housings.