Convertibility of a bone conduction device

• US 10,419,861 B2
• Filed: 05/31/2012
• Issued: 09/17/2019
• Est. Priority Date: 05/24/2011
• Status: Expired due to Fees

• Current Assignee: Cochlear Limited
• Original Assignee: Cochlear Limited
• Inventors: Morris, David Nathan, Andersson, Marcus, Bjorn, Goran, Asnes, Kristian Gunnar, Van Himbeeck, Carl
• Primary Examiner(s): Nguyen, Sean H
• Application Number:
  US13/485,521
• Publication Number:
  US 20120302823A1
• Time in Patent Office: 2,665 Days
• Field of Search: 381380, 381326, 381151, 600 25, 67 55, 67 57
• CPC Class Codes: H04R 11/00 Transducers of moving-armature or moving-core type acoustic diaphragm of magnetisable material directly coacting with electromagnet H04R13/00
• CPC Class Codes: H04R 2225/67 Implantable hearing aids or parts thereof not covered by H04R25/606
• CPC Class Codes: H04R 2460/13 Hearing devices using bone conduction transducers
• CPC Class Codes: H04R 25/606 acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window

Abstract

An external component of a bone conduction device, including a vibrator and a platform configured to transfer vibrations from the vibrator to skin of the recipient, wherein the vibrator and platform are configured to quick connect and quick disconnect to and from, respectively, one another.

Claims

1. An external apparatus of a prosthesis, comprising:

an external component of a passive transcutaneous bone conduction device, including;

a vibrator; and

a platform configured to transfer vibrations from the vibrator to skin of a recipient,

wherein the vibrator and platform are configured to quick release and quick connect from and to, respectively, one another,

wherein the vibrator is configured to quick connect to and quick release from a percutaneous bone conduction abutment, and

wherein the external apparatus is configured to be located, in its entirety, on one side of the head when supported against a recipient during normal use of the external component.

2. The external apparatus of claim 1, wherein:

the bone conduction device is a passive transcutaneous bone conduction device.

3. The external apparatus of claim 2, wherein:

the vibrator and platform are configured to snap-couple to one another.

4. The external apparatus of claim 1, wherein:

the platform is a pressure plate of a passive transcutaneous bone conduction device.

5. The external apparatus of claim 1, wherein:

the vibrator is a removable component of a percutaneous bone conduction device configured to quick release and quick connect from and to, respectively, a percutaneous abutment connected to a bone fixture implanted in a recipient of a percutaneous bone conduction device.

6. The external apparatus of claim 1, wherein:

the external component includes a snap-coupling having a male component that is part of one of the vibrator or the platform and a female component that is part of the other of the vibrator or the platform, the snap-coupling being configured to quick release and quick connect the vibrator from and to, respectively, the platform, respectively.

7. The external apparatus of claim 1, wherein:

the platform includes a magnet, the external component includes a snap-coupling having a first sub-component that is part of the vibrator and second sub-component that is part of the platform, the snap-coupling being configured to quick release and quick connect the vibrator from and to, respectively, the platform via movement of the sub-components relative to one another in a direction of a longitudinal axis of the snap-coupling, the second sub-component corresponds to a female component, wherein the female component portion is in vibrational communication with the pressure plate; and

relative to position along the longitudinal axis, at least a portion of the second subcomponent overlaps with at least a portion of the magnet.

8. The external apparatus of claim 7, wherein:

the magnet includes a hole at least partially extending therethrough; and

relative to position along the longitudinal axis, at least a portion of the cavity is in the hole of the magnet.

9. The external apparatus of claim 1, wherein:

the platform includes a first magnet and a second magnet spatially separated from the first magnet;

the platform includes a fixation structure substantially fixing the spatial location of the first magnet relative to the second magnet and visa-versa;

the external component includes a snap-coupling having a first sub-component that is part of the vibrator and second sub-component that is part of the platform, the second sub-component including a cavity, wherein the cavity is configured to receive the first-sub component therein to quick release and quick connect the vibrator from and to, respectively, the platform via movement of the subcomponents relative to one another in a direction of a longitudinal axis of the snap-coupling; and

relative to position along the longitudinal axis, at least a portion of the second subcomponent overlaps with at least a portion of the first magnet and at least a portion of the second magnet.

10. The external apparatus of claim 1, wherein:

the platform includes;

a magnet;

a housing configured to hold the magnet to the platform; and

a first coupling component configured to quick release and quick connect from and to, respectively, a second coupling component of the vibrator via movement of the coupling components relative to one another, the second coupling component corresponding to a female component;

the first coupling component is attached to the magnet via the housing;

the first coupling component consists essentially of PEEK;

the housing encompasses the magnet and is formed of one or more of the group consisting of PEEK, acrylic, epoxy or other polymers.

11. The external apparatus of claim 1, wherein:

the vibrator includes a first component and the platform includes a second component;

the first component is configured to snap-couple to the second component, thereby connecting the vibrator and the platform via a coupling configured to quick release and quick connect the vibrator and coupling from and to, respectively, one another, wherein the second component corresponds to a female component;

the first component and the second component are configured such that when the first component is snap-coupled to the second component, flexible teeth of the first component extend into the second component, thereby snap-coupling the first component to the second component.

12. The platform of claim 1, wherein:

wherein the vibrator and platform do not have a magnetic coupling coupling the vibrator to the platform.

13. The external component of claim 1, wherein:

the vibrator is configured to also quick release and quick connect to a percutaneous abutment implanted in the recipient after the platform is quick released from the vibrator.

14. The external apparatus of claim 1, wherein:

the platform includes a pressure plate portion and a female component portion, wherein the female component portion is in vibrational communication with the pressure plate,

the female component includes an interior area at least a portion of which corresponds to at least a portion of an interior portion of the percutaneous bone conduction abutment such that the vibrator quick connects to and quick releases from the female component in the same way that occurs when the vibrator snap couples to a percutaneous bone conduction abutment affixed to a recipient.

15. The external apparatus of claim 14, wherein:

the external component includes a snap-coupling having a male component that is part of the vibrator and a female component that is part of the platform, the snap-coupling being configured to quick release and quick connect the vibrator from and to, respectively, the platform, respectively; and

the female component includes a cavity that is within a base of the platform, the cavity corresponding to the interior area.

16. The external apparatus of claim 14, wherein:

the external component includes a snap-coupling having a male component that is part of the vibrator and a female component that is part of the platform, the snap-coupling being configured to quick release and quick connect the vibrator from and to, respectively, the platform, respectively; and

the female component includes a cavity that is within structure of the platform proud of a base of the platform, the cavity corresponding to the interior area.

17. The external apparatus of claim 16, wherein:

the base includes the pressure plate;

the platform includes a percutaneous abutment fixed to the pressure plate and extending therefrom;

the female apparatus comprises the percutaneous abutment, the percutaneous abutment establishing the interior area at least a portion of which corresponds to at least a portion of an interior portion of a percutaneous abutment; and

the cavity is located in the percutaneous abutment.

18. The external apparatus of claim 14, wherein:

the platform includes a magnet;

the external component includes a snap-coupling having a first sub-component that is part of the vibrator and second sub-component that is part of the platform; and

the second sub-component is located between the magnet and the first sub-component, the second sub-component corresponds to the female component.

19. The external apparatus of claim 14, wherein:

the platform includes a magnet;

the external component includes a snap-coupling having a first sub-component that is part of the vibrator and second sub-component that is part of the platform, the snap-coupling being configured to quick release and quick connect the vibrator from and to, respectively, the platform, via movement of the sub-components relative to one another in a direction of a longitudinal axis of the snap-coupling; and

relative to position along the longitudinal axis, the second sub-component is located completely above the magnet along a vector on the longitudinal axis extending from the platform to the vibrator, the second sub-component corresponds to the female component.

20. The external apparatus of claim 14, wherein:

the platform includes a magnet;

the external component includes a snap-coupling having a first sub-component that is part of the vibrator and second sub-component that is part of the platform, the second sub-component including the cavity, wherein the cavity is configured to receive the first-sub component therein to quick release and quick connect the vibrator from and to, respectively, the platform, via movement of the subcomponents relative to one another in a direction of a longitudinal axis of the snap-coupling, the second sub-component corresponds to the female component; and

relative to position along the longitudinal axis, the entire cavity is located completely above the magnet along a vector on the longitudinal axis extending away from the platform towards the vibrator.

21. The external apparatus of claim 20, wherein:

the cavity is configured to receive the first-sub component therein to quick release and quick connect the vibrator from and to, respectively, the platform; and

relative to the longitudinal axis, at least a portion of the cavity overlaps with at least a portion of the magnet.

22. The external apparatus of claim 14, wherein:

the platform includes a pressure plate portion and a female component portion, wherein the female component portion is in vibrational communication with the pressure plate;

the female component includes an interior area at least a portion of which corresponds to at least a portion of an interior portion of the percutaneous bone conduction abutment such that the vibrator quick connects to and quick releases from the female component in the same way that occurs when the vibrator snap couples to a percutaneous bone conduction abutment affixed to a recipient; and

the external component is located against the skin of the recipient completely outside the recipient.

23. The external apparatus of claim 1, wherein:

the external apparatus does not include a band that extends about the head of the recipient.

24. The external apparatus of claim 1, wherein:

wherein the external apparatus consists of the external component which consists of the platform and the vibrator, wherein the platform is configured to retain the external component against skin of the recipient, and wherein the vibrator includes a housing and an actuator located in the housing.

25. The external apparatus of claim 1, wherein:

the external component is held in place without a magnetic field.

26. The external apparatus of claim 1, wherein:

wherein the external apparatus is, relative to a head of the recipient, a completely single sided component.

27. A method of converting a removable component of a percutaneous bone conduction device to an external component of a transcutaneous bone conduction device, the method comprising:

obtaining a vibrator configured to connect to a percutaneous abutment implanted in a recipient;

connecting a platform to the vibrator;

explanting an abutment from an implanted bone fixture in a recipient; and

attaching a totally implantable vibratory element to the bone fixture, thereby implanting the totally implantable vibratory element in the recipient.

28. The method of claim 27, wherein:

the vibrator has been previously connected to a percutaneous abutment implanted in a recipient and utilized to evoke a hearing percept in the recipient via percutaneous bone conduction.

29. The method of claim 27, wherein the vibratory element includes an implantable magnetic component, wherein the platform includes a magnetic component, and wherein the method further comprises:

positioning the platform coupled to the vibrator on the skin of the recipient proximate the implanted totally implantable vibratory element.

30. The method of claim 27, wherein the abutment is initially attached to the bone fixture via an abutment screw that extends through the abutment into the bone fixture, and wherein the method further comprises:

unscrewing the abutment screw from a bore of the bone fixture to remove the abutment from the bone fixture; and

screwing a screw that extends through the vibratory element into the bore of the bone fixture to attach the totally implantable vibratory element to the bone fixture.

31. The method of claim 27, further comprising:

prior to connecting the platform to the vibrator, removing a first coupling component from the vibrator, the coupling component being configured to quick release and quick connect the vibrator from and to, respectively, the percutaneous abutment; and

attaching an attachment component to the vibrator at the location previously occupied by the first coupling component, the attachment component being configured to attach the vibrator at least one of directly to the platform or to an attachment component of the platform.

32. The method of claim 31, wherein the attachment component is a second coupling component, and wherein the second coupling component is configured to quick release and quick connect the vibrator at least one of (i) directly from or directly to, respectively, the platform, or (ii) indirectly from or indirectly to a coupling component of the platform.

33. The method of claim 27, wherein the action of connecting the platform to the vibrator is performed without establishing a magnetic coupling between the platform and the vibrator.

34. A method of converting an external component of a transcutaneous bone conduction device including a vibrator to a removable component of a percutaneous bone conduction device, the method comprising:

obtaining the vibrator, wherein the vibrator is configured to be detachably attached to pressure plate of the transcutaneous bone conduction device;

coupling the vibrator to an implanted percutaneous abutment implanted in a recipient via a quick connect/disconnect coupling; and

at least one of;

(i) prior to coupling the vibrator to an implanted percutaneous abutment implanted in a recipient, adding a coupling component to the vibrator, the coupling component being configured to quick connect and disconnect the vibrator to and from, respectively, the implanted percutaneous abutment,

wherein the action of coupling the vibrator to the implanted percutaneous abutment comprises coupling the vibrator to the implanted percutaneous abutment via the added coupling component;

or

(ii) explanting a totally implantable vibratory element from an implanted bone fixture in a recipient, and

attaching an abutment to the bone fixture, thereby implanting the abutment in the recipient.

35. The method of claim 34, wherein:

the vibrator is configured to be coupled to a platform; and

the pressure plate is part of a platform.

36. The method of claim 34, wherein:

the vibrator has been previously attached to a pressure plate of a passive transcutaneous bone conduction device and utilized to evoke a hearing percept in the recipient.

37. The method of claim 36, wherein the totally implantable vibratory element is initially attached to the bone fixture via a screw that extends from the totally implantable vibratory element into the bone fixture, and wherein the method further comprises:

unscrewing the screw from the bone fixture to remove the totally implantable vibratory element from the bone fixture; and

inserting a screw that extends through the abutment into the bone fixture to attach the abutment to the bone fixture.

38. The method of claim 34, wherein the method includes the action of:

explanting the totally implantable vibratory element from the implanted bone fixture in the recipient; and

attaching the abutment to the bone fixture, thereby implanting the abutment in the recipient.

39. The method of claim 34, wherein the method includes the action of:

prior coupling the vibrator to the implanted percutaneous abutment implanted in the recipient, adding the coupling component to the vibrator, the coupling component being configured to quick connect and disconnect the vibrator to and from, respectively, the implanted percutaneous abutment,

wherein the action of coupling the vibrator to the implanted percutaneous abutment comprises coupling the vibrator to the implanted percutaneous abutment via the added coupling component.

40. A platform of a passive transcutaneous bone conduction device, comprising:

a coupling attached to the platform, said platform configured to transfer vibrations from a vibrator to skin of a recipient, wherein the coupling is configured to releasably couple the vibrator and the platform, wherein

the coupling includes a portion having a configuration such that the vibrator quick connects to and quick releases from the coupling,

the coupling is configured such that the vibrator that can couple to the platform is also a vibrator that can couple to a percutaneous abutment affixed to a recipient, and

the platform is configured to retain itself against the skin of the recipient.

41. The platform of claim 40, further comprising:

a magnet configured to magnetically adhere the platform to the skin of the recipient via magnetic attraction with a vibrating component implanted in the recipient.

42. An assembly, comprising:

the platform of claim 40; and

the vibrator, wherein

the vibrator is releasably coupled to the platform, and

the assembly is configured to be held against the skin of the recipient by means other than a magnetic field.

43. The platform of claim 40, wherein:

the coupling is a snap-coupling.

44. The platform of claim 40, wherein:

the coupling is configured to enable a snap snap-coupling between the vibrator and the platform, thereby enabling the quick connect of the vibrator to the platform and the quick release of the vibrator from the platform;

the coupling includes a female component configured to receive a male component of the vibrator, thereby snap-coupling the platform to the vibrator; and

the female component comprises walls having varying internal diameters relative to position along a longitudinal axis of the female component.

45. The platform of claim 40, wherein:

the coupling is partially embedded into the platform.

46. The platform of claim 40, wherein:

the coupling is configured releasably couple the vibrator and the platform without a magnetic coupling.

47. The platform of claim 40, wherein:

the platform is located against the skin of the recipient completely outside the recipient.

48. The platform of claim 40, wherein:

the platform is configured to support the vibrator relative to the skin such that pressure on the skin is limited to a footprint of the platform.

49. The platform of claim 40, wherein:

the platform is configured to maintain the vibrator in vibrational communication with the skin independently of outside forces external to the recipient.

50. The platform of claim 40, wherein:

the platform is configured to be held against the skin of the recipient via, relative to the head of the recipient, single sided retention.

51. The platform of claim 40, wherein:

the platform is configured to support the vibrator against a head of a recipient and maintain the support against the head of the recipient using forces localized to the area of the head of the recipient proximate the platform.

52. The platform of claim 40, wherein:

the platform is configured to support the vibrator against a head of a recipient and maintain the support against the head of the recipient without a headband.

53. The platform of claim 40, wherein:

the platform is configured to provide for the total support of the vibrator on the recipient.

54. The platform of claim 40, wherein:

the platform provides for the total support of the vibrator and the platform on the recipient.

55. The platform of claim 40, wherein:

the platform is configured to provide all retention forces that to retain itself against the skin of the recipient.