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Persistent URL http://purl.org/net/epubs/work/56157
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Record Id 56157
Title Actuated, flexible and dynamically changeable surface textures for medical instruments
Abstract Certain medical devices such as deep brain stimulation (DBS) probes need to be implanted with high precision (few millimeters to μm) relative to particular parts of an organ, nerves or blood vessel and, in addition, need to reside at a minute distinct position over a long period. Hence surface modifications of medical devices and implants are desirable which facilitate an increase of friction between device and tissue so that unintentional migration of the device can be reduced. However, for the positioning of the implant during operation, a smooth surface is needed so that it can easily be maneuvered through the tissue until it is in the correct position. Consequently a surgeon would like to have implants with surfaces which can be flexibly and dynamically changed by a simple actuation mechanism during operation. Using a novel probe design, we demonstrate a dynamically changeable surface texture of flexible microstructures and present current results of tests conducted on artificial brain models.
Organisation CMF , TECH , STFC
Keywords Engineering , Actuators , Deep Brain Stimulation Probe , Surface texture , MEMS
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Language English (EN)
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Paper In Conference Proceedings In 4th Hamlyn Symposium on Medical Robotics , London, 19-20 Jun 2011, (2011). i4i_Abstract_Haml… 60-camera-ready.pdf 2011