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  • The Future of Fluorescence in Vascular Neurosurgery

    In vascular neurosurgery, surgical microscopes are used to provide a magnified and illuminated view of the surgical field. Although surgeons benefit greatly from the superb image quality and optical magnification offered by the microscope, current limitations of the microscope mean that surgeons have to rely on their color acuity to differentiate between different tissue types.
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  • Full-HD Image Injection Provides a Complete Picture of the Surgical Site Directly in the Microscope Eyepieces

    The human skull is an especially delicate area for surgery. To differentiate healthy tissue from tumor cells, or treat an aneurysm for example, the surgeon needs a complete picture of the surgical area. Supplementary information provided by Image Guided Surgery (IGS) or neuro navigation systems, endoscope, and in some cases fluorescence, can support the surgeon’s visualization, insight and intra-surgical orientation. This supplementary visual information is often only viewable on a separate screen, but with image injection technology from Leica it can be overlaid in full high definition (HD) directly into the eyepieces of a surgical microscope.
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  • Navigating Through the Brain

    One of the challenges of neurosurgery is orientation at the surgical site. When resecting tumors, removing arteriovenous malformations, or clipping aneurysms, surgeons often have to work near healthy and functional brain tissue. When resecting the tumor, the challenge is always to spare as much healthy tissue as possible. Neuronavigation technology, also referred to as Image Guided Surgery (IGS) enables surgeons to plan the ideal approach before making a cut and helps to execute that plan by providing intraoperative orientation.
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  • Sylvian dissection with ICG, viewed with FL800 fluorescence

    In vascular and neoplastic surgery sylvian dissection is an essential skill. The neurosurgeon needs to recognize the superficial sylvian vein (SSV) in order to safely and accurately achieve a wide opening of the sylvian fissure. A report by Dr. Hisashi Kubota and his colleagues at the Department of Neurosurgery, Kindai University Faculty of Medicine, Osaka, Japan, discusses the benefits of indocyanine green (ICG) videoanigiography to demarcate the SSV at the beginning of a sylvian dissection, particularly in patients with subarachnoid hemorrhage. Observation of ICG was enabled by an FL800 vascular fluorescence module from Leica in combination with an M525 OH4 neurosurgical microscope.
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  • FusionOptics in Neurosurgery and Ophthalmology – for a Larger 3D Area in Focus

    Neurosurgeons and ophthalmologists deal with delicate structures, deep or narow cavities and tiny structures with vitally important functions. A clear, three-dimensional view on the surgical field is thus indispensable for the outcome of the operation and the patient’s safety. Until now, an increased depth of field for a larger three-dimensional area in focus was only achievable by reducing the resolution. A new technology is able to overcome this challenge.
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  • 7 Tips For Better Ergonomics in Neurosurgery

    Pain and muscle tension are common phenomena in a neurosurgeon’s workday: 78% of neurosurgeons surveyed reported pain after a day of surgery, 83% of these had musculoskeletal pain. By its nature, neurosurgery requires compromising positions. However, with a few simple steps and the right ergonomic accessories for the surgical microscope, the working environment in the OR can be made as comfortable as possible.
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  • Making the Finest Blood Vessels Visible

    Cerebrovascular disease, which can be triggered or result from a ruptured aneurysm, is the third most common cause of death in industrial countries and the main cause of severe long-term disability and the need for lifelong care. Dr. Joaquim Enseñat, neurosurgeon at the Clinic de Barcelona Hospital in Spain, has used the technique of intraoperative video-angiography with the Leica FL800 fluorescence module to treat cerebral aneurysms since 2008.
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  • Integrating Neurosurgical Images in Patients’ Medical Records

    In view of the problems associated with exchanging images of different formats and the major risk of identification errors in the absence of consistent rules of identification, a committee comprised of expert associations (notably the American College of Radiology – ACR) and a group of major players in the medical imaging industry (notably the National Electrical Manufacturers Association – NEMA) decided in 1983 to work together to create an international standard for medical imaging.
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  • Just What the Surgeon Wants

    We’ve all experienced an everyday product at some time that had great technology and a stylish design but was totally impractical to use. A designer coffee pot that spills its contents all round the cup or a mobile phone with such tiny keys that you can’t help pressing two at once. If instruments for medical professionals were designed with so little regard for practical application, they’d have no chance of surviving on the market.
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