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39. (EP3441111) IMPLANTABLE MEDICAL DEVICE COMPRISING A WIRELESS TRANSCUTANEOUS LINK

Application Number: 18186271 Application Date: 30.07.2018
Publication Number: 3441111 Publication Date: 13.02.2019
Publication Kind : A1
IPC:
A61N 1/378
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
N
ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
1
Electrotherapy; Circuits therefor
18
Applying electric currents by contact electrodes
32
alternating or intermittent currents
36
for stimulation, e.g. heart pace-makers
372
Arrangements in connection with the implantation of stimulators
378
Electrical supply
Applicants: OTICON MEDICAL AS
Inventors: BERN BENGT
Priority Data: 17185904 11.08.2017 EP
Title: (DE) IMPLANTIERBARE MEDIZINISCHE VORRICHTUNG MIT EINER DRAHTLOSEN TRANSKUTANEN VERBINDUNG
(EN) IMPLANTABLE MEDICAL DEVICE COMPRISING A WIRELESS TRANSCUTANEOUS LINK
(FR) DISPOSITIF MÉDICAL IMPLANTABLE COMPRENANT UNE LIAISON TRANSCUTANÉE SANS FIL
Abstract: front page image
(EN) 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.