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Micrus Courier Flex Microcatheters are intended to aid in the delivery of diagnostic agents, such as contrast media, as well as therapeutic agents, such as occlusion coils, into the peripheral, coronary and neurovasculature.

Micrus Courier Flex Microcatheters are variable stiffness, single lumen catheters designed to aid the physician in accessing small, tortuous vasculature when used with a guiding catheter and steerable guide wire. Multiple levels of stiffness ranging from a highly flexible tip to a semi-rigid proximal section along the length of the catheter are designed to aid the physician in tracking over guide wires without displacement of the wire. The microcatheters have an outer hydrophilic coating that reduces friction during manipulation in the vessel. The lubricious PTFE-coated inner lumen is designed to facilitate movement of guide wires and other devices. A shaft marker, located 90 cm from the distal tip, is provided to expedite microcatheter insertion to the depth of standard guide catheters (90 cm long). Two marker bands, one at the catheter tip and another 3 cm proximal to the tip, are radiopaque to facilitate fluoroscopic visualization. A luer fitting located on the end of the catheter hub can be used to attach accessories. All microcatheters are packaged with a steam shaping mandrel accessory.

The provided 510(k) summary for the Micrus Courier Flex Microcatheter does not contain any information regarding acceptance criteria, device performance studies, or data related to AI/algorithm performance.

This document describes a medical device (a microcatheter) and is primarily focused on demonstrating substantial equivalence to a previously approved predicate device. It defines the intended use, describes the device's physical characteristics, and confirms that it uses similar materials and manufacturing processes as its predicate.

Therefore, I cannot provide the requested information. The concepts of "acceptance criteria," "reported device performance," "sample size for test set," "data provenance," "number of experts," "adjudication method," "MRMC study," "standalone performance," "type of ground truth," "sample size for training set," and "ground truth for training set" are typically associated with performance studies for diagnostic or AI-driven devices, which are not detailed in this document.

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