(b)(4).Similar to device under 510(k) p100028.(b)(4).Summary of investigational findings: no product was returned and no imaging was provided, and based on very limited information provided the exact reason, why it "was difficult to go through with the second stent" cannot be determined.And also, it is not possible to comment on the distal portion being "crushed and released inside the sheath." there is no evidence to suggest product was not manufactured according to specifications.Cook medical will continue to monitor for similar events.
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