Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Markus, Vester"'
Autor:
Bei Zhang, Bili Wang, Justin Ho, Shota Hodono, Christopher Burke, Riccardo Lattanzi, Markus Vester, Robert Rehner, Daniel Sodickson, Ryan Brown, Martijn Cloos
Publikováno v:
Magn Reson Med
PURPOSE: To present a novel 3 Tesla 24-channel glove array that enables hand and wrist imaging in varying postures. METHODS: The glove array consists of an inner glove holding the electronics and an outer glove protecting the components. The inner gl
Autor:
Bastien Guerin, Zohaib Mahmood, Elfar Adalsteinsson, Lawrence L. Wald, Markus Vester, Boris Keil, Luca Daniel, Patrick McDaniel
Publikováno v:
Magnetic Resonance in Medicine. 76:329-339
Purpose In a coupled parallel transmit (pTx) array, the power delivered to a channel is partially distributed to other channels because of coupling. This power is dissipated in circulators resulting in a significant reduction in power efficiency. In
Autor:
Mark A. Griswold, Jeremiah A. Heilman, Markus Vester, Matthew J. Riffe, Natalia Gudino, Oliver Heid
Publikováno v:
Magnetic Resonance in Medicine. 70:276-289
A complete high-efficiency transmit amplifier unit designed to be implemented in on-coil transmit arrays is presented. High power capability, low power dissipation, scalability, and cost minimization were some of the requirements imposed to the desig
Autor:
Günter Schnur, Nan Zhang, Ralf Ladebeck, Wolfgang Renz, Ronald Grazioso, Markus Vester, James L. Corbeil, Matthias J. Schmand, Hubertus Fischer
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 569:301-305
Two, APD-based, PET modules have been evaluated for use in combined PET/MR imaging. Each module consists of 4 independent, optically isolated detectors. Each detector consists of an 8×8 array of 2×2×20 mm LSO crystals read out by a 2×2 array of 5
Autor:
Zohaib, Mahmood, Patrick, McDaniel, Bastien, Guérin, Boris, Keil, Markus, Vester, Elfar, Adalsteinsson, Lawrence L, Wald, Luca, Daniel
Publikováno v:
Magnetic resonance in medicine. 76(1)
In a coupled parallel transmit (pTx) array, the power delivered to a channel is partially distributed to other channels because of coupling. This power is dissipated in circulators resulting in a significant reduction in power efficiency. In this stu
Autor:
Andreas Staubert, Stefan Kunze, Markus Vester, Volker M. Tronnier, M. M. Bonsanto, Wolfgang Renz, Christian Rainer Wirtz
Publikováno v:
Magnetic Resonance in Medicine. 43:278-283
The technical realization of inductively coupled surface coils for interventional MR-guided procedures, and the application to brain biopsies in a 0.2 T magnet is described. The advantages compared to standard coils are discussed, and the results of
Autor:
Natalia, Gudino, Jeremiah A, Heilman, Matthew J, Riffe, Oliver, Heid, Markus, Vester, Mark A, Griswold
Publikováno v:
Magnetic resonance in medicine. 70(1)
A complete high-efficiency transmit amplifier unit designed to be implemented in on-coil transmit arrays is presented. High power capability, low power dissipation, scalability, and cost minimization were some of the requirements imposed to the desig
Autor:
Markus Vester, Franz Schmitt, Juergen Nistler, Wolfgang Renz, Adam C. Zelinski, Franz Hebrank, Ulrich Fontius, Graham Wiggins, Lawrence L. Wald, Kawin Setsompop, Vijayanand Alagappan, Elfar Adalsteinsson
Publikováno v:
Magnetic resonance in medicine. 57(6)
An eight-rung, 3T degenerate birdcage coil (DBC) was constructed and evaluated for accelerated parallel excitation of the head with eight independent excitation channels. Two mode configurations were tested. In the first, each of the eight loops form