Advanced Intelligent Systems,
Год журнала:
2023,
Номер
5(11)
Опубликована: Сен. 7, 2023
Microrobots
have
shown
great
potential
in
many
applications,
such
as
non‐invasive
surgery,
tissue
engineering,
precision
medicine,
and
environmental
remediation.
Within
the
past
decade,
soft
microrobot
has
become
one
of
important
branches.
It
is
aimed
to
create
deformable
microrobots
with
high
bioaffinity,
which
can
perform
complex
tasks
noninvasively
inaccessible
small
spaces
body.
Herein,
latest
research
progress
regarding
three
cornerstones
this
field
reviewed:
material,
fabrication,
actuation.
First,
various
materials
that
are
used
for
fabrication
summarized,
their
characteristics
functions
discussed.
Second,
methods
introduced,
applicability
different
Third,
actuation
discussed,
well
pros,
cons,
adaptability.
Moreover,
outstanding
behaviors
biomedical
applications
introduced
some
typical
examples
published
recently.
Finally,
current
clinical
use
challenges
pointed
out,
intelligentization
proposed
discussed
further
innovative
development.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 20, 2024
Abstract
Responsive
materials
possess
the
inherent
capacity
to
autonomously
sense
and
respond
various
external
stimuli,
demonstrating
physical
intelligence.
Among
diverse
array
of
responsive
materials,
liquid
crystalline
polymers
(LCPs)
stand
out
for
their
remarkable
reversible
stimuli‐responsive
shape‐morphing
properties
potential
creating
soft
robots.
While
numerous
reviews
have
extensively
detailed
progress
in
developing
LCP‐based
actuators
robots,
there
exists
a
need
comprehensive
summaries
that
elucidate
underlying
principles
governing
actuation
how
intelligence
is
embedded
within
these
systems.
This
review
provides
overview
recent
advancements
robots
endowed
with
using
LCPs.
structured
around
stimulus
conditions
categorizes
studies
involving
LCPs
based
on
fundamental
control
stimulation
logic
approach.
Specifically,
three
main
categories
are
examined:
systems
changing
those
operating
under
constant
equip
learning
capabilities.
Furthermore,
persisting
challenges
be
addressed
outlined
discuss
future
avenues
research
this
dynamic
field.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Май 4, 2024
Abstract
Millimeter-scale
soft
continuum
robots
offer
safety
and
adaptability
in
transluminal
procedures
due
to
their
passive
compliance,
but
this
feature
necessitates
interactions
with
surrounding
lumina,
leading
potential
medical
risks
restricted
mobility.
Here,
we
introduce
a
millimeter-scale
robot,
enabling
apical
extension
while
maintaining
structural
stability.
Utilizing
phase
transition
components,
the
robot
executes
cycles
of
tip-based
elongation,
steered
accurately
through
programmable
magnetic
fields.
Each
motion
cycle
features
solid-like
backbone
for
stability,
liquid-like
component
advancement,
thereby
autonomous
shaping
without
reliance
on
environmental
interactions.
Together
clinical
imaging
technologies,
demonstrate
capability
navigating
tortuous
fragile
lumina
transport
microsurgical
tools.
Once
it
reaches
larger
anatomical
spaces
such
as
stomach,
can
morph
into
functional
3D
structures
that
serve
surgical
tools
or
sensing
units,
overcoming
constraints
initially
narrow
pathways.
By
leveraging
design
paradigm,
anticipate
enhanced
safety,
multi-functionality,
cooperative
capabilities
among
robots,
opening
new
avenues
robotic
surgery.
Chemical Reviews,
Год журнала:
2024,
Номер
124(20), С. 11585 - 11636
Опубликована: Окт. 11, 2024
Soft
robotics
presents
innovative
solutions
across
different
scales.
The
flexibility
and
mechanical
characteristics
of
soft
robots
make
them
particularly
appealing
for
wearable
implantable
applications.
scale
level
invasiveness
required
depend
on
the
extent
human
interaction.
This
review
provides
a
comprehensive
overview
robots,
including
applications
in
rehabilitation,
assistance,
organ
simulation,
surgical
tools,
therapy.
We
discuss
challenges
such
as
complexity
fabrication
processes,
integration
responsive
materials,
need
robust
control
strategies,
while
focusing
advances
actuation
sensing
mechanisms,
techniques.
Finally,
we
future
outlook,
highlighting
key
proposing
potential
solutions.
Catheters
navigating
through
complex
vessels,
such
as
sharp
turns
or
multiple
U-turns,
remain
challenging
for
vascular
embolization.
Here,
we
propose
a
novel
multistage
embolization
strategy
hard-to-reach
vessels
that
releases
untethered
swimming
shape-memory
magnetic
microrobots
(SMMs)
from
the
prior
catheter
to
vessel
bifurcation.
SMMs,
made
of
organo-gel
with
particles,
ensure
biocompatibility,
radiopacity,
thrombosis,
and
fast
thermal
responses.
An
SMM
is
initially
linear
shape
0.5-mm
diameter
at
20
°C
inserted
in
catheter.
It
transforms
into
predetermined
helix
within
2
s
38
blood
temperature
after
being
pushed
out
blood.
SMMs
enable
agile
confined
tortuous
can
swim
upstream
using
helical
propulsion
rotating
fields.
Moreover,
validated
this
living
rabbits,
completing
100-cm
travel
renal
artery
min.
After
4
weeks,
maintained
embolic
position,
kidney
volume
decreased
by
36%.
ACS Nano,
Год журнала:
2023,
Номер
17(14), С. 12971 - 12999
Опубликована: Июль 11, 2023
Swarms,
which
stem
from
collective
behaviors
among
individual
elements,
are
commonly
seen
in
nature.
Since
two
decades
ago,
scientists
have
been
attempting
to
understand
the
principles
of
natural
swarms
and
leverage
them
for
creating
artificial
swarms.
To
date,
underlying
physics;
techniques
actuation,
navigation,
control;
field-generation
systems;
a
research
community
now
place.
This
Review
reviews
fundamental
applications
micro/nanorobotic
The
generation
mechanisms
emergent
micro/nanoagents
identified
over
past
elucidated.
advantages
drawbacks
different
techniques,
existing
control
systems,
major
challenges,
potential
prospects
discussed.
Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 30, 2023
Abstract
Untethered
micro/nanorobots
that
can
wirelessly
control
their
motion
and
deformation
state
have
gained
enormous
interest
in
remote
sensing
applications
due
to
unique
characteristics
various
media
diverse
functionalities.
Researchers
are
developing
as
innovative
tools
improve
performance
miniaturize
systems,
enabling
situ
detection
of
substances
traditional
methods
struggle
achieve.
Over
the
past
decade
development,
significant
research
progress
has
been
made
designing
strategies
based
on
micro/nanorobots,
employing
coordinated
approaches.
This
review
summarizes
latest
developments
for
by
utilizing
self-generated
signals
robots,
robot
behavior,
microrobotic
manipulation,
robot-environment
interactions.
Providing
recent
studies
relevant
sensing,
we
also
discuss
challenges
future
perspectives
facing
micro/nanorobots-based
intelligent
platforms
achieve
complex
environments,
translating
lab
achievements
into
widespread
real
applications.
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
13(15)
Опубликована: Фев. 27, 2024
Recently,
magnetically
actuated
micro/nanorobots
hold
extensive
promises
in
biomedical
applications
due
to
their
advantages
of
noninvasiveness,
fuel-free
operation,
and
programmable
nature.
While
effectively
promised
various
fields
such
as
targeted
delivery,
most
past
investigations
are
mainly
displayed
magnetic
control
individual
micro/nanorobots.
Facing
practical
medical
use,
the
required
for
development
swarm
a
closed-loop
manner.
This
review
outlines
recent
developments
micro/nanorobot
swarms,
including
actuating
fundamentals,
designs,
controls,
applications.
The
fundamental
principles
interactions
involved
formation
swarms
discussed
first.
advances
design
artificial
biohybrid
along
with
devices
methods
used
manipulation,
presented.
Furthermore,
that
have
potential
achieve
clinical
application
introduced,
imaging-guided
therapy,
embolization,
biofilm
eradication.
By
addressing
challenges
toward
end
this
review,
promise
treatments
future.
Advanced Materials,
Год журнала:
2024,
Номер
36(23)
Опубликована: Фев. 21, 2024
Medical
microrobotics
is
an
emerging
field
to
revolutionize
clinical
applications
in
diagnostics
and
therapeutics
of
various
diseases.
On
the
other
hand,
mobile
has
important
obstacles
pass
before
translation.
This
article
focuses
on
these
challenges
provides
a
roadmap
medical
microrobots
enable
their
use.
From
concept
"magic
bullet"
physicochemical
interactions
complex
biological
environments
applications,
there
are
several
translational
steps
consider.
Clinical
translation
only
possible
with
close
collaboration
between
experts
researchers
address
technical
microfabrication,
safety,
imaging.
The
application
potential
can
be
materialized
by
designing
that
solve
current
main
challenges,
such
as
actuation
limitations,
material
stability,
imaging
constraints.
strengths
weaknesses
progress
discussed
for
near
future
outlined.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 23, 2024
Swarm
behaviors
are
common
in
nature,
where
individual
organisms
collaborate
via
perception,
communication,
and
adaptation.
Emulating
these
dynamics,
large
groups
of
active
agents
can
self-organize
through
localized
interactions,
giving
rise
to
complex
swarm
behaviors,
which
exhibit
potential
for
applications
across
various
domains.
This
review
presents
a
comprehensive
summary
perspective
synthetic
swarms,
bridge
the
gap
between
microscale
swarms.
It
is
begun
by
examining
agents,
fundamental
units
understand
origins
their
motility
functionality
presence
external
stimuli.
Then
inter-agent
communications
agent-environment
that
contribute
generation
summarized.
Furthermore,
reported
date
emergence
machine
intelligence
within
reviewed.
Eventually,
enabled
distinct
swarms
By
discussing
emergent
insights
offered
into
design
deployment
autonomous
real-world
applications.
Annual Review of Biomedical Engineering,
Год журнала:
2024,
Номер
26(1), С. 561 - 591
Опубликована: Апрель 10, 2024
Scientists
around
the
world
have
long
aimed
to
produce
miniature
robots
that
can
be
controlled
inside
human
body
aid
doctors
in
identifying
and
treating
diseases.
Such
microrobots
hold
potential
access
hard-to-reach
areas
of
through
natural
lumina.
Wireless
has
overcome
drawbacks
systemic
therapy,
as
well
enable
completely
new
minimally
invasive
procedures.
The
aim
this
review
is
fourfold:
first,
provide
a
collection
valuable
anatomical
physiological
information
on
target
working
environments
together
with
engineering
tools
for
design
medical
microrobots;
second,
comprehensive
updated
survey
technological
state
art
relevant
classes
third,
analyze
currently
available
tracking
closed-loop
control
strategies
compatible
in-body
environment;
fourth,
explore
challenges
still
place,
steer
inspire
future
research.
