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This report is being sent as follow-up no.1 to update section d9 and h3 and to provide the completed investigation results.The actual device was not returned; therefore, an evaluation of the actual device was unable to be conducted.Based on our past knowledge, we have been aware that the guidewire fractures when the following force a) - d) is applied.We have also been aware that there is regularity in the shape of fractured part of the core depending on the mechanism leading to the fracture.A) when a guidewire was exposed to repeated 90° bending force and fractured, no taper was found on the side surface of core wire at the fractured part, and dimple patterns were found on the fracture surface of core wire.B) when a guidewire in a curved state was exposed to continuous one-way torque force and fractured, no taper was found on the side surface of core wire at the fractured part, and radial patterns were found on the fracture surface of core wire.C) when a guide wire was exposed to pulling force and fractured, a taper was found on the side surface of core wire at the fractured part.D) when a guidewire in a looped state was exposed to pulling force and fractured, a taper and a curve were found on the side surface of core wire at the fractured part.(cause of occurrence) as one of the possibilities of this case, it was presumed that the fracture occurred in the actual sample by any of the mechanisms a) - d), however, since the actual sample was not returned and the analysis of it could not be performed, the cause of the occurrence could not be clarified.(countermeasure) ashitaka factory assures the quality of this product by performing following work and inspection.- the outer diameter of this product is controlled.- before the packaging process, 100% visual inspection is performed.Ifu of this product includes the following warning: "if any resistance is felt or if the tip's behavior and/or location seems improper, stop manipulating the glidewire advantage and/or the catheter and determine the cause by fluoroscopy.Continuing to manipulate or rotate the glidewire advantage or failure to exercise proper caution may result in bending, kinking, separation of the guide wire's tip, damage to the catheter, or damage to the vessel." terumo medical products (tmp) (importer) registration no.2243441 is submitting this report on behalf of ashitaka factory of terumo corporation (manufacturer) registration no.9681834.
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