TUD  »  Forschung  »  Forschungsinformationssystem

Verweis auf www.hzdr.de

Verweis auf www.di-uni.de

Wissenschaftliche Abschlussarbeit - Detailansicht

Bereich Ingenieurwissenschaften - Fakultät Elektrotechnik und Informationstechnik - Institut für Halbleiter- und Mikrosystemtechnik - Professur für Mikrosystemtechnik

Medizinisches Implantat mit drahtloser Energie- und Datenübertragung zur Ansteuerung einer implantierbaren Schmerzpumpe
Art der Abschlussarbeit
  • Oeser, Lukas
  • Prof. Dr.-Ing. habil. Wolf-Joachim Fischer
The oral ingestion of medications can cause the drugs to spread throughout the entire body.
Therefore, the supplemented dose has to be larger. This might have negative side effects for the
patients. An implanted pump could be an alternative therapy option. The drug is injected directly
where it is needed. Nowadays, implanted pumps are mainly used to thread chronic pain or
spasticity. Compared to conventional therapies the required dose can be reduced upon one
thousandth. In recent solutions the injected dose is either steady or can be controlled by an
additional programming device. Future applications might require more flexibility. It should be
possible to adjust the therapy anytime depending on the current needs. There is an interest to make
the interface to the implant as easy as possible. In the last decade the smartphone has become a
must-have device for most of the people. The mobile internet enables communication and data
transfer all over the world. This work evaluates which periphery could be used to communicate with
the implant. Theoretical considerations and experiments confirm that Bluetooth Low Energy is
suitable for this application. The lifetime of implanted pumps is often limited by the capacity of the
integrated battery. To rely on rechargeable batteries, a wireless charging system has to be found.
Energy transfer using the well known Qi standard is an adequate solution. Aspects like transmission
range, charging power, radio exposure and thermal protection are discussed in this work. A system
is presented to show the functional principle. The patient can set the flow rate by using a
smartphone. Device and patient data can be accessed by the doctor via internet. This way the doctor
is also able to modify the restrictions (e. g. maximum daily dose). The demo system finally
confirms the overall concept successfully. V
Stand: 15.10.2020