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Implantable medical device comprising a wireless transcutaneous link

專利號(hào)
US11968502B2
公開日期
2024-04-23
申請(qǐng)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

FIG. 6B illustrates an open loop structure attached to a body part according to an embodiment of the disclosure. This figure provides a closer illustration of the retention mechanism of the disclosure of FIG. 6A. The loop structure comprises an openable open loop structure comprising a slit (generally defined by the distance D, see FIG. 5) having a first slit end 602 configured to abut a first skin surface 606 of the user and a second slit end 604, opposite to the first slit end 602, configured to abut a second skin surface 608 of the user, the first skin surface 606 and the second skin surface 608 being separated by a body tissue 618.

In an embodiment, the first slit end 602 is adapted to face a first planar side 610 of the implantable receiver coil 212; and a second slit end 604 that is adapted to face a second planar side 612, opposite to the first planar side 610, of the implantable receiver coil 212.

The fixation unit (spring 502) arranged between the inner surface of opposite arms of the loop structure may be adapted to provide a pulling force between the two arms such that a compressive retention force (as represented by compressed skin and body tissue) between the first end 602 and second end 604 is provided to attach the loop structure 210 to the body.

權(quán)利要求

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