Medical Design Briefs - September 2021 - 8

Achieving High Marks for
Medical Device Makers:
Ultrashort Pulse Lasers
R
eliability is vital for medical
device manufacturers. To
accommodate such high levels
of dependability, device
makers use quality process
control and before-market and after -
market traceability to ensure the highest
level of integrity and compliance for their
devices and instruments. This article
addresses the challenging medical device
marking concerns for device makers and
shows how ultrashort pulse laser marking
systems can solve this critical issue.
There are many well-established laser
marking approaches such as carbon
dioxide (CO2) lasers, nanosecondpulsed
diode-pumped solid-state lasers,
and continuous-wave fiber lasers, to
name a few. No matter the laser type, all
use photoablation to produce a color
change to the surface, a texturing of the
surface, or even an engraving into the
surface, depending on the material and
the desired effect. The process is photo -
thermal, whereby a precisely focused
laser beam produces intense heat in a
highly centralized manner, increasing
the material temperature and thereby
producing some sort of change to the
material. For example, a CO2 laser
marks various substrates by actually melting
and boiling off the material, creating
surface relief. Ultrashort pulse (USP)
lasers, such as picosecond lasers and the
faster femtosecond lasers, have some
impressive results over nanosecond
lasers, and this makes all the difference
in medical device marking.
Picosecond, Femtosecond,
Nanosecond
Picosecond lasers produce impressive
results and have become instrumental to
medical device manufacturers for maintaining
compliance. The advantage of
producing permanent identifying marks
on medical devices includes counterfeit
prevention, product traceability, advanced
quality control, return fraud prevention,
and distribution regulation.
The most common noninvasive black
marking approach is the use of nano -
second lasers to create photothermal
radiation- matter interactions, which can
result in macroscopic implications that
constrain its use in the medical device market.
For instance, thermal stresses can
The marking of UDIs on devices enables better reporting, reviewing, and analyzing of adverse events
so that problematic issues can be quickly uncovered and corrected. (Credit: ACSYS Lasertechnik)
8
Intro
Cov
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Medical Design Briefs, September 2021
deform fragile and sensitive areas such as
A
µ
sheets and tubes, and sometimes can cause
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Medical Design Briefs - September 2021

Table of Contents for the Digital Edition of Medical Design Briefs - September 2021

Medical Design Briefs - September 2021 - Intro
Medical Design Briefs - September 2021 - Cov3
Medical Design Briefs - September 2021 - Cov1a
Medical Design Briefs - September 2021 - Cov1b
Medical Design Briefs - September 2021 - Cov1
Medical Design Briefs - September 2021 - Cov2
Medical Design Briefs - September 2021 - 1
Medical Design Briefs - September 2021 - 2
Medical Design Briefs - September 2021 - 3
Medical Design Briefs - September 2021 - 4
Medical Design Briefs - September 2021 - 5
Medical Design Briefs - September 2021 - 6
Medical Design Briefs - September 2021 - 7
Medical Design Briefs - September 2021 - 8
Medical Design Briefs - September 2021 - 9
Medical Design Briefs - September 2021 - 10
Medical Design Briefs - September 2021 - 11
Medical Design Briefs - September 2021 - 12
Medical Design Briefs - September 2021 - 13
Medical Design Briefs - September 2021 - 14
Medical Design Briefs - September 2021 - 15
Medical Design Briefs - September 2021 - 16
Medical Design Briefs - September 2021 - 17
Medical Design Briefs - September 2021 - 18
Medical Design Briefs - September 2021 - 19
Medical Design Briefs - September 2021 - 20
Medical Design Briefs - September 2021 - 21
Medical Design Briefs - September 2021 - 22
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Medical Design Briefs - September 2021 - 28
Medical Design Briefs - September 2021 - 29
Medical Design Briefs - September 2021 - 30
Medical Design Briefs - September 2021 - 31
Medical Design Briefs - September 2021 - 32
Medical Design Briefs - September 2021 - 33
Medical Design Briefs - September 2021 - 34
Medical Design Briefs - September 2021 - 35
Medical Design Briefs - September 2021 - 36
Medical Design Briefs - September 2021 - 37
Medical Design Briefs - September 2021 - 38
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Medical Design Briefs - September 2021 - 40
Medical Design Briefs - September 2021 - 41
Medical Design Briefs - September 2021 - 42
Medical Design Briefs - September 2021 - Cov3
Medical Design Briefs - September 2021 - Cov4
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