About ErySave AB
ErySave was founded in early 2000 by a team from Sweden's Lund Institute
of Technology and Lund University Hospital with the goal of exploring the
PARSUS technology.

This category contains information relating to medical equipment services.

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About ATS Medical
ATS Medical manufactures and markets products and services focused on
cardiac surgery. Using imaging to guide him, the interventional neuroradiologist
makes a nick in the skin at the groin and threads a catheter up the artery to
the aneurysm.

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About Interventional Radiology and Interventional Neuroradiology
Interventional radiologists and neuroradiologists are doctors who
specialize in minimally invasive, targeted treatments that have less risk,
less pain and less recovery time compared to open surgery.

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MINNEAPOLIS, ATS Medical, Inc.erysave. Interventional neuroradiologists
specialize in minimally invasive neurological procedures such as those
affecting the brain or spine.

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(Logo: http://www. PARSUS will allow the physician to give back the patients
lost blood in a safe and efficient manner, potentially reducing the many
complications currently associated with blood transfusion.

Neil Young Receives State-of-the-Art Interventional Neuroradiology Procedure for Brain Aneurysm

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This minimally invasive interventional
technique offers less risk than surgical repair.

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It is headquartered in Minneapolis and is global in scope
with sales in more than 61 countries. For a discussion of these and
other risks and uncertainties that could affect the Company's activities and
results, please refer to the Company's filings with the Securities and
Exchange Commission to its Form 10-K for the year ended December 31, 2004.

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Interventional radiology and interventional
neuroradiology are medical specialties recognized by the American Board of
Medical Specialties , and they represent the new wave of medical development
and image guided therapy.

These services include calibration, testing, preventative maintenance and repair.

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(Nasdaq: ATSI) today announced the achievement of the second milestone in the
development of the new patented Particle Separation by Ultrasound (PARSUS)
technology for auto-transfusion in cardiac surgery."
ATS Medical, a leader in mechanical heart valve technology and related
cardiac surgery accessories, has exclusive worldwide rights to the
development, licensing and marketing of PARSUS filtration for cardiac surgery .

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com/cgi-bin/prnh/20040202/ATSILOGO )
PARSUS enables highly effective filtering by ultrasound waves of the
undesirable foreign particles that become mixed in blood during cardiac
surgery procedures . We're delighted to have arrived at an
effective protocol design and material composition that maximizes the
effectiveness of PARSUS. The catheter is withdrawn and the coils
remain to provide the occlusion .
Then during the procedure, they image as they go to guide tiny instruments,
such as catheters , through blood vessels or skin, to treat diseases at the
site of the illness nonsurgically.

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ATS Medical Achieves Significant PARSUS Filtration Technology Development Milestone

This achievement is regarded as important new evidence of the feasibility of
PARSUS.

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The ATS Medical web site is http://www. Interventional Neuroradiologists Available for Interviews Throughout the
Country on This Minimally Invasive Treatment

FAIRFAX, Va.

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The technology has
the potential for use in all patients requiring cardiac surgery procedures
including heart valve replacement or repair and coronary artery bypass and has
a current addressable market opportunity of approximately $150 million.com . Actual results could differ materially from those projected
in the forward-looking statements as a result of a number of important
factors, including regulatory actions, competition , pricing pressures,
supplier actions and management of growth.

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The Company has
successfully created a prototype of a working disposable made of medically
compatible materials that separates in excess of 90% of lipid micro emboli.

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com . The ErySave web site is http://www.

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ATS Medical President , CEO and Chairman of the Board Michael D., Interventional neuroradiologists can
treat aneurysms inside the brain to prevent rupture of the aneurysm and
subsequent brain hemorrhage, which could cause stroke or death if the aneurysm
ruptures.

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More than 100,000 ATS Open Pivot(R)
Heart Valves have been implanted in patients worldwide utilizing the unique
pivot design which results in exceptional clinical performance and a low risk
profile.

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atsmedical. This treatment is also performed to treat hemorrhage if the aneurysm
has burst.

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Our design vastly improves the amount of lipid micro
emboli removed from the blood during cardiac surgeries in a cost-efficient
manner. He then places tiny coils at the site of the aneurysm to
provide mechanical occlusion of the weakened area , so that pressure is no
longer exerted on the aneurysm.

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newscom. Dale
stated, "Determining the materials for the critically important disposable
component of the PARSUS system is a very important achievement in our plan to
bring this novel technology to market.
The PARSUS technology comes from and is owned by ErySave AB, a Swedish
research firm founded specifically to explore PARSUS as a means of increasing
efficacy, user-friendliness and quality performance in cardiac surgery by
removal of micro emboli from the blood. They use their
expertise in interpreting X-rays, ultrasound, MRI and other diagnostic imaging
studies to understand, visualize and diagnose the full scope of the disease's
pathology and to map out the procedure tailored to the individual patient.

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Our next goal is to achieve the next significant milestone in this
development program by the end of the current year.

Safe Harbor
This Press Release contains forward-looking statements that may include
statements regarding intent, belief or current expectations of the Company and
its management . Surgery had been the primary
treatment available until the platinum coil device was approved by the FDA in
1995.

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