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Method for delivering a catheter to a target in the brain of a patient and guide wire for a microcatheter for insertion in the brain of a patient
Method for delivering a catheter to a target in the brain of a patient and guide wire for a microcatheter for insertion in the brain of a patient
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机译:用于将导管输送到患者大脑中的目标的方法以及用于插入患者大脑中的微导管的导丝
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摘要
The movement of catheters and guide wires for catheters with the aid of magnets is known from the field of cardiology. Conventional magnets are, as a result of their size, not suited to being inserted into the brain of patient, because the vessels there are smaller than the cardiac vessels. To enable the navigation methods proven in cardiology also to be used in neurology, the invention provides a microcatheter having a guide wire, which features magnetic nanoparticles. The magnetic nanoparticles can be provided in the form of a ferrofluid or also as diamond nanoparticles in powder form. This enables navigation of the guide wire and thus ultimately of the catheter in the brain from the outside by way of magnetic fields.
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