Medical Design Briefs - September 2022 - 37

semipassive tag can be limited. Therefore,
semipassive RFID tags are best
suited for applications where tagged
items stay within close range of an
RFID receiver or can be scanned regularly,
which may be achievable in a
smaller hospital or clinic but could
prove challenging in a larger one.
Active RFID tags, however, contain
a beacon/transponder that can transmit
signals to a receiver more than 20
m away (sometimes up to 150 m), depending
on frequency levels and other
factors. To further expand this distance,
in larger hospitals or those
with several buildings, instead of buying
multiple receivers, a hospital can
utilize its existing Wi-Fi nodes, which
may already cover most of the hospital
grounds and are likely to be networked
together to share data. However, there
may be some areas of a hospital that its
Wi-Fi network does not reach or where
existing nodes may not be compatible
with RFID. In these instances, handheld
RFID readers can be a useful option.
require different voltages or that have
bespoke requirements (size, performance,
etc.), custom battery packs are
also an option.
When it comes to tracking a hospital's
assets and devices, battery-powered
active RFID offers an excellent choice
for real-time or last-known location
tracking. Selecting the optimum nonrechargeable
battery to power the tags
and rechargeable battery to power a
handheld reader (if required) is critical
to attaining the desired results.
Ultralife's Thin Cells® are discrete batteries that measure
as thin as 1.1 mm. (Credit: Ultralife)
Asahi_2022_MDB_Metal_printer.pdf 1 5/31/2022 9:44:52 PM
Because handheld RFID readers may
not be in continuous use, they are often
powered by rechargeable batteries that
are charged between use. For these types
of readers, pre-engineered , rechargeable
lithium- ion batteries, such as Ultralife's
Soft Packs, are suitable. The batteries
come in voltages ranging from 3.7 to 14.8
V and have a long cycle life. For original
equipment manufacturers (OEMs) that
References
1. " MGM Solutions: 6000 Hours Per September
Wasted on Nurses Finding Lost Equipment, "
Healthcare Facilities Today, https://www.healthcarefacilitiestoday.com/posts/MGM-Solutions6000-Hours-Per-September-Wasted-on-NursesFinding-Lost-Equipment-17611
This
article was written by Robert Brown,
Marketing Executive, Accutronics, Ltd.,
Newcastle-under-Lyme, UK. For more information,
visit www.ultralifecorporation.
com. Contact: robert.brown@accutronics.
co.uk or +44 (0) 1782 566 688.
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Medical Design Briefs, September 2022
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https://www.healthcarefacilitiestoday.com/posts/MGM-Solutions-6000-Hours-Per-September-Wasted-on-Nurses-Finding-Lost-Equipment%E2%80%9417611 http://www.ultralifecorporation http://info.hotims.com/82325-825 http://www.medicaldesignbriefs.com

Medical Design Briefs - September 2022

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