Magnet removal and replacement apparatus and methods for use with cochlear implants

a cochlear implant and magnet technology, applied in the field of cochlear implantable cochlear stimulation, can solve the problems of significant pain, skin necrosis at the implant site, and difficulty in reinsertion, and achieve the effect of facilitating the replacement of a conventional implant magn

Inactive Publication Date: 2019-02-14
ADVANCED BIONICS AG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0024]There are a number of advantages associated with such apparatus and methods. For example, the present apparatus and methods facilitate the replacement of a conventional implant magnet with an MRI-compatible magnet

Problems solved by technology

For example, removal and reinsertion of the implant magnet by way of the aperture may be required because some conventional cochlear implants are not compatible with magnetic resonance imaging (“MRI”) systems.
Reorientation of the magnet 28 can place significant stress on the dermis (or “skin”), which cause significant pain.
The present inventors have determined that removal and reinsertion can be problematic because some patients will have many MRI procedures during their lifetimes, and repeated surgeries can result in skin necrosis at the implant site.
The present inventors have determined that although MRI-compatible magnet ap

Method used

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  • Magnet removal and replacement apparatus and methods for use with cochlear implants
  • Magnet removal and replacement apparatus and methods for use with cochlear implants
  • Magnet removal and replacement apparatus and methods for use with cochlear implants

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Embodiment Construction

[0184]The following is a detailed description of the best presently known modes of carrying out the inventions. This description is not to be taken in a limiting sense, but is made merely for the purpose of illustrating the general principles of the inventions.

[0185]The present inventions include various apparatus and methods that facilitate in situ replacement of conventional implant magnets with MRI-compatible magnet apparatus (or “magnet apparatus”). Some of the methods and apparatus may also involve anchoring of the magnet apparatus to bone. In at least some instances, the magnet will be removed in situ from the cochlear implant, a portion of the implant housing will be removed to accommodate the larger magnet apparatus, and the magnet apparatus will be added to the modified cochlear implant housing. As used herein, a “larger” magnet apparatus is a magnet apparatus that is larger in one or more of diameter, perimeter, length, width and thickness than the magnet that has been rem...

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Abstract

Apparatus and methods for installing a MR-compatible magnet apparatus into a cochlear implant.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 62 / 543,798, filed Aug. 10, 2017, which is incorporated herein by reference. This application also claims the benefit of U.S. Provisional Application No. 62 / 560,282, filed Sep. 19, 2017, which is incorporated herein by reference.BACKGROUND1. Field[0002]The present disclosure relates generally to the implantable portion of implantable cochlear stimulation (or “ICS”) systems.2. Description of the Related Art[0003]ICS systems are used to help the profoundly deaf perceive a sensation of sound by directly exciting the intact auditory nerve with controlled impulses of electrical current. Ambient sound pressure waves are picked up by an externally worn microphone and converted to electrical signals. The electrical signals, in turn, are processed by a sound processor, converted to a pulse sequence having varying pulse widths, rates and / or amplitudes, and transmitted to an impl...

Claims

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Application Information

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IPC IPC(8): A61N1/36A61N1/05A61N1/08
CPCA61N1/36038A61N1/0541A61N1/08H01H36/0073A61N1/375
Inventor CALIXTO, ROGERREID, MAXSTRICKLAND, TIMOTHYSMITH, JAMES GEORGE ELCOATEDOWNING, MARKLEE, SUNG JINGEGG, MORGAN
Owner ADVANCED BIONICS AG
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