Medical Design Briefs - March 2022 - 33

cause hearing damage, " says researcher
Karl-Johan Fredén Jansson, who made
all the measurements in the project.
" The benefits also include safer testing
for children, and that patients with
impaired hearing function due to chronic
ear infections or congenital malformations
in the ear canal and middle ear can
still be diagnosed for the origin of their
dizziness, " says Håkansson.
A prototype of the vibrating device
was first developed by the researchers
in 2018, and it has now been tested
and developed in several patient studies
that have been published internationally,
both with healthy individuals
to obtain normal data, and in patients
suffering from various types of dizziness.
The device is compatible with
standardized equipment for balance
diagnostics in healthcare, which makes
it easy to use. In addition to the benefits
for patients, the cost of the new
technology is also judged to be lower
than the corresponding equipment
currently being used. Discussions are
ongoing with companies wishing to
commercialize the technology.
For more information, visit https://news.
cision.com/chalmers.
Brain-Recording Device Could Help Patients Regain Mobility
The customizable device
for recording brain activity
is also affordable.
Skolkovo Institute of Science
and Technology
Moskva, Russia
Scientists have developed a device for
recording brain activity that is more compact
and affordable than the solutions
currently on the market. With its high
signal quality and customizable configuration,
the device could help people with
restricted mobility regain control of their
limbs or provide advance warnings of an
impending seizure to patients with
epilepsy. The article presenting the
device and testing results appeared in
Experimental Brain Research.
Researchers and medics, as well as
engineers, need tools that measure
brain activity. Among their scientific
applications are research on sleep,
decision- making, memory, and attention.
In a clinical setting, these tools
allow doctors to assess the extent of
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to an external
damage to an injured brain and to
monitor coma patients. Brain signals
can be translated into commands and
sent
or implanted
device to make up for lost functions in
the body. The commands could range
from moving the arm of an exoskeleton
worn by a paralyzed person to
turning on the TV.
Invented about a century ago,
electro encephalographers are devices
that read the electrical activity of the
brain via small electrodes placed on the
scalp. The recorded signals are then
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Medical Design Briefs - March 2022

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