Abstract
It is investigated how linear simulation can be used
to predict both the magnitude of the intensities as well as the
placement of the peak values. An ultrasound sequence is defined
through the normal setup routines for the experimental SARUS
scanner, and Field II is then used automatically on the sequence
to simulate both intensity and mechanical index (MI) according to
FDA rules. A 3 MHz BK Medical 8820e convex array transducer
is used with the SARUS scanner. An Onda HFL-0400 hydrophone
and the Onda AIMS III system measures the pressure field for
three imaging schemes: a fixed focus, single emission scheme,
a duplex vector flow scheme, and finally a vector flow imaging
scheme. The hydrophone is connected to a receive channel in
SARUS, which automatically measures the emitted pressure for
the complete imaging sequence. MI can be predicted with an
accuracy of 16.4 to 38 %. The accuracy for the intensity is from
-17.6 to 9.7 %, although the measured fields are highly non-linear
(several MPa) and linear simulation is used. Linear simulation
can, thus, be used to accurately predict intensity levels for any
advanced imaging sequence and is an efficient tool in predicting
the energy distribution.
Original language | English |
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Title of host publication | Proceedings of IEEE International Ultrasonics Symposium |
Publisher | IEEE |
Publication date | 2014 |
Pages | 1164-1167 |
ISBN (Print) | 978-1-4799-7049-0 |
DOIs | |
Publication status | Published - 2014 |
Event | 2014 IEEE International Ultrasonics Symposium - Hilton Hotel, Chicago, United States Duration: 3 Sep 2014 → 6 Sep 2014 https://ieeexplore.ieee.org/xpl/conhome/6917616/proceeding |
Conference
Conference | 2014 IEEE International Ultrasonics Symposium |
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Location | Hilton Hotel |
Country/Territory | United States |
City | Chicago |
Period | 03/09/2014 → 06/09/2014 |
Internet address |