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MAQUET Cardiovascular Launches HEARTSTRING III Proximal Seal System for Coronary Artery Bypass Graft Surgery

Innovative technology eliminates the need for an aortic clamp reducing the risk for cerebral emboli and potentially improving patient neurocognitive


SAN JOSE, Calif., April 14 /PRNewswire/ -- MAQUET Cardiovascular LLC today announced the launch of HEARTSTRING III Proximal Seal System for coronary artery bypass surgery procedures. This latest version of MAQUET's innovative HEARTSTRING proximal seal technology allows surgeons to perform coronary artery bypass grafts without the use of a partial occlusion clamp during beating heart surgery.

"We firmly believe that off-pump beating heart surgery results in better patient outcomes. The HEARTSTRING device provides a means to reduce aortic manipulation, a well-appreciated risk factor for adverse neurologic complications in coronary artery bypass," said John D. Puskas M.D., Chief of Cardiac Surgery at Emory Crawford Long Hospital and Professor of Surgery. "With its unique features and improved delivery system, the new HEARTSTRING III system makes it easier for the cardiac surgeon to perform a clampless proximal anastomosis for either saphenous vein or radial artery conduits."

The HEARTSTRING III system features an improved seal loader and delivery device for fast, easy placement. Once deployed, it maintains a low compliant profile for optimal hemostasis at the anastomotic site. The HEARTSTRING III system enables surgeons to use their own hand-suturing technique for creating a proximal anastomosis with either venous or arterial grafts. With its elegant design and small operational footprint, there is no foreign material left inside the vessel after completion of the anastomosis. The Aortic Cutter makes a single, clean hole in the aorta for graft placement. The HEARTSTRING III system allows for maximum surgical flexibility. Surgeons have the option to perform distal or proximal grafts first and to use grafts of varying lengths, hooded grafts, and angled take-offs.

Mark W. Connolly, M.D., Director of Cardiovascular and Thoracic Surgery at Saint Michael's Medical Center University Heights stated, "St. Michael's is a busy, high-volume institution that performs almost exclusively off-pump, beating heart CABG procedures. The HEARTSTRING III system provides an easy, reliable, and safe means of constructing proximal anastomoses with significantly reduced aortic manipulation. The new seal loader takes HEARTSTRING's user-friendliness to a new level."

"The advancement of our HEARTSTRING product line represents yet another development in our integrated approach to providing innovative surgical solutions for cardiac and vascular surgeons, perfusionists and their teams in order to help patients live better and longer lives," said Patrick Walsh, President of MAQUET Cardiovascular LLC. "As a market leader, MAQUET continues to make significant investment into the field of cardiovascular medicine and we believe the benefits of clampless beating heart surgery are very compelling for the future."

The benefits of clampless beating heart surgery, also known as off-pump coronary artery bypass (OPCAB), include a quicker recovery time, decreased length of hospital stay, less trauma due to the elimination of the heart-lung machine and fewer cognitive and neurological consequences. This is especially important for higher risk individuals who have medical conditions such as diabetes, a history of stroke, or poor physical health.

MAQUET Cardiovascular LLC is a division of MAQUET Medical Systems, part of the publicly listed Swedish group of companies GETINGE AB. MAQUET Cardiovascular was recently formed by combining MAQUET Cardiopulmonary with Boston Scientific's Vascular Surgery and Cardiac Surgery divisions, which includes the products and services of Guidant Cardiac Surgery. The creation of this new organization enables MAQUET to offer a comprehensive array of patient care solutions for less-invasive endoscopic vessel harvesting, off- and on- pump coronary artery bypass surgery, and vascular grafts.

MAQUET has 170 years of healthcare experience, and is committed to becoming "The Gold Standard" for therapeutic medical equipment around the globe. As a market leader, MAQUET offers innovative medical solutions from three divisions: Surgical Workplaces, Critical Care, and Cardiovascular.

MAQUET Medical Systems is headquartered in Rastatt, Germany and employs 4,100 employees, has more than 30 international sales and service subsidiaries, and a network of over 200 dealer distributors worldwide. For more information, please visit and

SOURCE MAQUET Cardiovascular LLC
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