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The Alcyone MEMS Cannula (AMC) System consisting of the AMC and the AMC Extension Line Set. is intended for iniection of Cytarabine (cytosine arabinoside) or removal of cerebrospinal fluid (CSF) from the ventricles of the brain during intracranial procedures. The AMC System is not intended for implant. The device is intended for "single patient use only."

The AMC System is comprised of the AMC and its Extension Line sets. The AMC is a rigid cannula comprised of two independent channels. The fluid lumens are protected inside a 25cm rigid ceramic cannula. which transitions (steps-down) to a micro-tip. The micro-tip has two independent outlets at the tip that face sideways, designed to prevent plugging during insertion into the brain. The proximal end of the rigid cannula consists of a Y-connector with standard female luers that allow connection to each independent channel. AMC Extension Line Sets with standard male/female luers must be used with the AMC to connect the AMC to an infusion pump. The AMC must be used with a support structure (e.g. a stereotactic quide) to provide support and control during insertion. A safety-sheath, as with the predicate, and depth-stop, for user convenience, are provided on the AMC for this purpose.

The MR Compatible Ventricular Cannula is intended for injection of Cytarabine or removal of CSF from the ventricles during intracranial procedures. The device is not intended for implant. The device is intended for "single patient use only."

The Cannula has a stepped distal tip with a 30 cm rigid ceramic stylet protecting the fluid lumen while providing rigidity to the distal portion of the device. Soft this in areets the lumen in the center portion and at the distal end where it terminates at a female luer fitting. The fluid containing central lumen is manufactured from non-reactive silica. The cannula will be marketed in the following sizes: 16 ga Ventricular Cannula, .008" ID x 4ft; 16 ga Ventricular Cannula. .008" ID x 10ft; 14 ga Ventricular Cannula, .021" ID x 4ft; 14 ga Ventricular Cannula, .021" ID x 10ft.