Medical Design Briefs - November 2024 - 38
Design Briefs
and training programs will also be essential
to ensure widespread adoption and
reproducibility of PFA across different
healthcare settings.
Additionally, continued innovation in
device technology and electrode design
will be crucial to address technical limitations
and optimize energy delivery parameters
for specific clinical indications.
PFA systems require precise control and
delivery of high-voltage energy. Currently,
waveforms with higher or lower voltages
and various pulse wave parameters
are being studied.
Precise control of the proprietary
pulsed electric fields is crucial for effective
target tissue ablation while
minimizing damage to surrounding
tissue. Developing a pulsed field ablation
system that can generate and regulate
pulses with high accuracy is
technically demanding. The first wave
of PFA systems to be FDA approved
for atrial fibrillation are in the 2,000-
3,000 V range with typical rise and fall
times in the 20-100 ns range (fall time
at 50Ω ± 10 percent resistive output
load) delivering up to 20 J of energy
in a single burst. The next generation
of PFA systems may see voltage of 6, 8,
or even 10 kV, with pulse widths in the
low nanosecond range (nanosecond
PFA, or nsPFA).
Collaboration between industry partners,
academic researchers and healthcare
providers will be essential to drive
forward the development and implementation
of PFA in clinical practice.
Conclusion
Electrosurgery continues to evolve,
driven by advancements in technology
and a growing demand for minimally
invasive surgical techniques. Pulsed
field ablation represents a cutting-edge
development in the field, offering a
novel approach to tissue ablation with
the potential to revolutionize the treatment
of cardiac arrhythmias and other
clinical conditions. As research and innovation
in electrosurgery progress, the
future holds promise for further improving
patient outcomes and advancing
the practice of medicine.
PFA systems require precise control
and delivery of high-voltage energy.
Advanced Energy is proud to partner
with leading medical device companies
to power the future of medicine with
the broadest portfolio of medically certified
precision power supplies.
Advanced Energy, for example, is already
developing a next-generation
power platform for PFA as an extension
of its present offerings in precision
power. The company will be introducing
a fully standard, user configurable
off-the-shelf PFA power platform. Access
to and control of detailed pulse
and burst parameters will allow creation
of custom monopolar, bipolar,
asymmetrical biphasic waveform trains
with variable pulse widths and fast rise
and fall times, ideal for research and
development and lowest cost of ownership
for commercialization.
This article was written by Todd Huston,
Director of Strategic Marketing for
Electrosurgery, Advanced Energy, Denver,
CO. For more information, visit
www.advancedenergy.com.
38
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Medical Design Briefs - November 2024
Table of Contents for the Digital Edition of Medical Design Briefs - November 2024
Medical Design Briefs - November 2024 - Intro
Medical Design Briefs - November 2024 - Sponsor
Medical Design Briefs - November 2024 - COV1a
Medical Design Briefs - November 2024 - COV1b
Medical Design Briefs - November 2024 - COV1
Medical Design Briefs - November 2024 - COV2
Medical Design Briefs - November 2024 - 1
Medical Design Briefs - November 2024 - 2
Medical Design Briefs - November 2024 - 3
Medical Design Briefs - November 2024 - 4
Medical Design Briefs - November 2024 - 5
Medical Design Briefs - November 2024 - 6
Medical Design Briefs - November 2024 - 7
Medical Design Briefs - November 2024 - 8
Medical Design Briefs - November 2024 - 9
Medical Design Briefs - November 2024 - 10
Medical Design Briefs - November 2024 - 11
Medical Design Briefs - November 2024 - 12
Medical Design Briefs - November 2024 - 13
Medical Design Briefs - November 2024 - 14
Medical Design Briefs - November 2024 - 15
Medical Design Briefs - November 2024 - 16
Medical Design Briefs - November 2024 - 17
Medical Design Briefs - November 2024 - 18
Medical Design Briefs - November 2024 - 19
Medical Design Briefs - November 2024 - 20
Medical Design Briefs - November 2024 - 21
Medical Design Briefs - November 2024 - 22
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Medical Design Briefs - November 2024 - 24
Medical Design Briefs - November 2024 - 25
Medical Design Briefs - November 2024 - 26
Medical Design Briefs - November 2024 - 27
Medical Design Briefs - November 2024 - 28
Medical Design Briefs - November 2024 - 29
Medical Design Briefs - November 2024 - 30
Medical Design Briefs - November 2024 - 31
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Medical Design Briefs - November 2024 - 37
Medical Design Briefs - November 2024 - 38
Medical Design Briefs - November 2024 - 39
Medical Design Briefs - November 2024 - 40
Medical Design Briefs - November 2024 - 41
Medical Design Briefs - November 2024 - 42
Medical Design Briefs - November 2024 - 43
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Medical Design Briefs - November 2024 - 48
Medical Design Briefs - November 2024 - 49
Medical Design Briefs - November 2024 - 50
Medical Design Briefs - November 2024 - COV3
Medical Design Briefs - November 2024 - COV4
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