Percutaneous cochlear implantation (PCI) is a recently developed minimally invasive technique that utilizes image guidance and a custom-made microstereotactic frame to guide a drill directly to the cochlea. It enables cochlear access through a single drill port, reducing invasiveness in comparison to mastoidectomy. With the reduction in invasiveness, PCI enables a corresponding reduction in visualization and space in which to work at the cochlear entry point. This precludes standard cochlear implant deployment techniques and necessitates a new insertion tool that can deploy a cochlear implant into the cochlea while working down a deep, narrow channel. In this paper, we describe a manual insertion tool that we have developed for this purpose. The tool is capable of inserting an electrode array into the cochlea using the advance off-stylet technique, using simple manual controls on its handle.
A Manual Insertion Mechanism for Percutaneous Cochlear Implantation
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Schurzig, D., Smith, Z. W., Rucker, D. C., Labadie, R. F., and Webster, R. J., III (August 11, 2010). "A Manual Insertion Mechanism for Percutaneous Cochlear Implantation." ASME. J. Med. Devices. June 2010; 4(2): 027533. https://doi.org/10.1115/1.3443741
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