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Implantable medical device comprising a wireless transcutaneous link

專利號
US11968502B2
公開日期
2024-04-23
申請人
Oticon Medical A/S（DK Sm?rum）
發(fā)明人
Bengt Bern
IPC分類
A61N1/05; A61B5/00; A61N1/372; A61N1/378; H01F38/14; H01Q7/06; H04R1/10; H04R25/00; A44C7/00; A61M5/142; A61M5/172; A61M60/148; A61N1/36; A61N1/375
技術(shù)領(lǐng)域
coil,loop,receiver,structure,unit,body,in,fixation,configured,part
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

In an embodiment, the fixation unit is selected from a group consisting of a non-magnetic fixation unit and a fixation mechanism that is adapted to attach the loop structure to a user's body independent of any cooperation (interaction) with the implantable unit. Such cooperation overcomes the requirement of conventionally known systems where the implantable retention magnet cooperates with an external retention magnet for attaching the external unit to the user's body.

In an embodiment, the fixation unit is selected from a group consisting of a clamp mechanism, spring mechanism, piercing pin mechanism, snap-coupling mechanism between the first sub-structure and second sub-structure, a magnetic coupling mechanism between the first sub-structure and second sub-structure, and a combination thereof.

In an embodiment, the body part includes an earlobe such that the receiver coil is configured to be implanted within the earlobe of the user; and the fixation unit is configured to attach the loop structure around the earlobe such that the loop structure extends, with (such as in the closed loop structure) or without (such as in open loop structure) piercing through the earlobe, between a posterior side and an anterior side of the earlobe and with a part of the ear lobe being positioned in the hollow section of the loop structure. A section of the implantable coil is received in the hollow section of the loop structure whereas rest section of the implantable coil is outside the hollow section of the loop structure.

權(quán)利要求

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