Micro-molded cannulae for intracochlear infusions in small rodents

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Title: Micro-molded cannulae for intracochlear infusions in small rodents
Author: Johnson, Dean; Zhu, X.; Frisina, Robert D.; Borkholder, David
Abstract: The design, fabrication, and testing of microcannulae with integrated insertion stops is presented. The micro-cannulae were engineered through the use of a silicon micro-mold fabricated via bulk-silicon micro-machining techniques. The use of microelectronic fabrication techniques allows precise control of three critical parameters, insertion depth, interface contact area, and tubing out of round. Worst case variations were found to be 5μm for insertion depth, 502μm2 for interface contact area, and 7% for tip out of round. Histological evaluation revealed the cannula to be located correctly within the basal portion of scala tympani.
Description: This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Record URI: http://hdl.handle.net/1850/5542
Date: 2007-08-23

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