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Cook Launches Z-TRAK PLUS Introduction System for Zenith TX2 TAA

June 12th, 2009 Medgadget Editors Cardiac Surgery, Vascular Surgery

cook34234.jpgA small subset of our readers that are actually involved in endovascular aortic aneurysm repairs will be pleased to know that Cook Medical is releasing a new and improved introduction system for its Zenith TX2 TAA Endovascular Graft. The company says the new introducer, Z-TRAK PLUS, sports features that can improve “maneuverability for controllable device orientation and deployment.”

The launch of the new introduction system comes as physicians are increasingly turning to thoracic endovascular repair (TEVAR) as the preferred, minimally invasive option for treating TAAs. TAAs occur when the section of the aorta that runs down the chest weakens and bulges outward like a balloon, often caused by a hardening of the arteries, high blood pressure, or trauma. Aneurysms of the thoracic aorta are potentially fatal, and open surgical repair is a highly invasive procedure many TAA patients cannot survive, making TEVAR their only treatment option. Untreated, five-year survival is estimated at between 10 to 15 percent.
Cook’s Zenith TX2 TAA Endovascular Graft, indicated for the treatment of descending TAA, is a tube of surgical graft material reinforced with self-expanding stainless steel Z-stents and an open stent with barbs designed to hold the device securely in place within the aorta after deployment. It is sized to the length of the thoracic aorta that needs to be covered to seal off the aneurysm. The graft is positioned in the aorta under the physician’s image-guided control across the aneurysm to prevent blood flow into the aneurysm. Cook’s Zenith TX2 is the only endograft with circumferentially anchoring barbs on both the proximal and distal segments of the device, which provides best-in-class fixation. Radial force from the self-expanding Z-stents enables the graft to provide an excellent seal within the patient’s aorta.
Utilizing a hydrophilic-coated Cook Flexor sheath and super-elastic alloy inner cannula, Z-TRAK PLUS was designed to provide enhanced control and flexibility of entry and tracking. Cook’s renowned Flexor sheath features kink-resistant tubing technology for superior flexibility and trackability during use. A semi-deployed tri-fold configuration prevents a ‘wind-sock’ effect during deployment, thus enabling the physician to avoid slowing or stopping of the heart.
Historically, open surgical repair has been the standard treatment for TAAs. Under this approach, the chest cavity is opened and the aorta is clamped, allowing the surgeon to sew a surgical graft into place to prevent a rupture. Surgical repairs may carry health risks for older patients as they likely suffer from other significant medical conditions.
TEVAR, a minimally invasive alternative to traditional, open surgery, involves an endograft guided into the body with a catheter to seal off the aneurysm from within. Patients undergoing TEVAR typically experience shorter recovery times and are also at a lower risk of the co-morbidities associated with open surgical repair. In particular, the Zenith TX2 device is inserted through a small incision in the groin to access the patient’s femoral artery. The device is guided into position through the patient’s arteries under fluoroscopy. The fabric-covered self-expanding stent-graft is then placed in the weakened section of the thoracic aorta to relieve pressure on the aneurysm to reduce the risk of rupture. For more information, visit

Press release: New Endograft Introduction System Enhances Physicial Control During Minimally Invasive Treatment for Thoracic Aortic Aneurysms

Medgadget Editors

Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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