Implantable medical device comprising a wireless transcutaneous link
地域：
Sm?rum
摘要
According to an embodiment, a medical device is disclosed. The medical device includes an external unit and an implantable unit. The external unit includes an electronic unit operationally coupled to a transmitter coil that is configured transmit power and/or data signal over a wireless transcutaneous link, a coil unit comprising a loop structure with the transmitter coil being wound around and along at least a part of length of the loop structure, and a fixation unit configured to attach the loop structure to a user's body i) proximal to an implantable receiver coil that is configured to be implanted within a body part, and ii) around a body part of a user such that a part of the body part is positioned in a hollow section of the loop structure. The implantable unit includes the implantable receiver coil configured to receive the power and/or data signal over the wireless transcutaneous link, a processing unit configured to i) process the received data signal to control functionalities of at least one of the components of the implantable unit, and/or ii) utilize the received power for operation of at least one of the components of the implantable unit. The wireless transcutaneous link includes a coupling between the transmitter coil and the receiver coil, and when the loop structure is attached using the fixation unit, at least a substantial number of magnetic field lines generated in response to excitation of the transmitter coil passes through the implantable receiver coil.
說明書
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In an embodiment, the processing unit is configured to process the received data signal and generate an output. The output is configured to generate perceivable stimulation for the user. For example, such perceivable stimulation includes perception of sound in case of implantable hearing aids. The medical device thus may be selected from a group consisting of one or more of
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- i) an implantable hearing aid comprising a cochlear implant comprising an implantable electrode array configured to be positioned within a cochlea of the user, the electrode array being configured to deliver electrical charges in accordance with the output,
- ii) an implantable hearing aid comprising an auditory transmodiolar implant comprising an implantable electrode array configured to be positioned within a modiolus of the user, the electrode array being configured to deliver electrical charges in accordance with the output,
- iii) an implantable hearing aid comprising an auditory brainstem implant comprising an implantable electrode array (typically provided as a pad) configured to be implanted directly onto brainstem, the electrode array being configured to deliver the electrical charges in accordance with the output,
- iv) an implantable hearing aid comprising a bone conduction hearing aid comprising an implantable vibrator configured to be attached to skull of the user, the vibrator being configured to generate vibrations in accordance with the output,
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