Innovative Retraction Device Lessens Damage to Brain Tissue

A novel neurosurgery device offers a less invasive way to access cerebral surgical locations and perform critical procedures, with minimal damage to surrounding brain tissue.

The ViewSite Brain Access System (VBAS) consists of an introducer and a working channel port that allows the surgeon a seamless entry to the targeted site, while distributing brain tissue evenly in a 360° dispersion pattern. The ample working channel allows multiple instruments to be used simultaneously, while providing an excellent depth of view of the site as well as the brain wall. Among the added benefits are superior binocular vision to see in and around the surgical site; multiple sizes in different widths and lengths to meet all surgical needs; and compatibility with most surgical arms to avoid accidental displacement or movement during surgery. The VBAS is available in four widths – 12 mm, 17 mm, 21 mm, and 28 mm, as well as three different lengths – 3 cm, 5 cm, and 7 cm.


The VBAS transcortical (TC) model can be used in any cranial procedure that is intraventricular or subcortical in nature, and is designed for use in intracerebral hematomas, arteriovenous malformations (AVM), cavernous malformations, metastatic and primary brain tumors, cerebral cysts, intra-axial tumors and lesions, and intraventricular tumors. The TC model eliminates brain shift, allowing for straight path to the target without lateral displacement of the brain or target. For each centimeter of depth of placement, the amount of brain displacement is far less with the TC device than would be required with standard retraction. The ViewSite Brain Access System and the VBAS transcortical (TC) model are products of Vycor Medical (Bohemia, NY, USA).

"The ViewSite Brain Access System provides a minimally traumatic surgical corridor to deep seated brain tumors, resulting in effective and efficient tumor removal with minimal morbidity,” said Michael Weaver, M.D., an assistant professor of neurosurgery at Temple University (Philadelphia, PA, USA). "I have been extremely pleased with the results of the surgeries I have performed with the ViewSite.”

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