The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Objective: In this paper, we investigate the use of commercial off-the-shelf diagnostic ultrasound readers to achieve multiaccess wireless in vivo telemetry with millimeter-sized sonomicrometry crystal transducers. Methods: The sonomicrometry crystals generate ultrasonic pulses that supersede the echoes generated at the tissue interfaces in response to M-scan interrogation pulses. The traces of these...
Substrate computing refers to a paradigm where sensing, computing, communications, energy scavenging and energy storage functions are seamlessly integrated within a substrate. The substrate could be a part of an aircraft wing or a chassis of the car and the computing, communications and energy scavenging functions could be implemented using self-powered devices embedded inside the substrate. In this...
In this paper we present the design and implementation of CMOS telemetry circuits that can be used for in-vivo wireless sonomicrometry. The proposed transmitter circuit uses a digital pulse modulator that directly drives a sonomicrometry crystal using a train of ultra-wide-band pulses. The receiver is also designed using a pulse modulator which is configured to measure the energy of the ultrasonic...
In this paper we investigate the feasibility of using an in-vivo metallic implant like a stent for generation of acoustic waves which can then be used for imaging areas inside or near the surface of the implant. The proposed method relies on time-varying eddy-current loops that are excited on the metallic surface of the stent using an external RF coil. In the presence of a constant magnetic field,...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.