Design and Optimization of a Magnetic Field Generator for Magnetic Particle Imaging with Soft Magnetic Materials
Advanced Intelligent Systems,
Journal Year:
2024,
Volume and Issue:
6(11)
Published: Aug. 22, 2024
Magnetic
field
generators
are
a
key
component
of
Particle
Imaging
(MPI)
systems,
and
their
power
consumption
is
major
obstacle
on
the
path
to
human‐sized
scanners.
Despite
importance,
focused
discussion
these
rare,
comprehensive
description
design
process
currently
lacking.
This
work
presents
methodology
for
optimization
selection
operating
with
soft
magnetic
materials
outside
linear
regime
in
context
MPI.
Key
elements
mathematical
model
generators,
formalism
defining
sequences,
relationship
between
sequence.
These
used
define
space
generator
given
its
system
requirements
constraints.
The
then
formulated
as
an
problem.
Subsequently,
this
utilized
new
specifically
cerebral
imaging
studies.
result
outperforms
our
existing
MPI
terms
view
size,
providing
proof‐of‐concept
entire
methodology.
As
approach
very
general,
it
can
be
extended
beyond
other
areas
such
manipulation
medical
devices
micro‐robotics.
Language: Английский
Design, construction and validation of a magnetic particle imaging (MPI) system for human brain imaging
Physics in Medicine and Biology,
Journal Year:
2024,
Volume and Issue:
70(1), P. 015019 - 015019
Published: Dec. 11, 2024
Magnetic
particle
imaging
(MPI)
was
introduced
in
2005
as
a
promising,
tracer-based
medical
modality
with
the
potential
for
high
sensitivity
and
spatial
resolution.
Since
then,
numerous
preclinical
devices
have
been
built
but
only
few
human-scale
devices,
none
of
which
targeted
functional
neuroimaging.
In
this
work,
we
probe
challenges
scaling
technology
to
meet
needs
human
neuroimaging
sufficient
detecting
hemodynamic
changes
following
brain
activation
spatio-temporal
resolution
comparable
current
magnetic
resonance
approaches.
Language: Английский