{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-25-035346","form_type":"8-K","ticker":"NUWE","cik":"0001506492","company_name":"Nuwellis, Inc.","filed_at":"2025-09-18T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.163528+00:00","generated_at":"2026-05-17T06:14:24.992015+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Nuwellis announces US patent issuance for hemolysis sensor technology supporting pediatric device Vivian","bullets":["US Patent No. 12,415,021 issued September 16, 2025, for hemolysis sensors with extracorporeal blood filtration systems.","Patent covers detection and localization of red blood cell destruction in ultrafiltration and CRRT circuits.","Intellectual property supports Nuwellis' pediatric device Vivian and future platform innovation."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-25-035346","json":"https://secwatch.observer/filing/0001140361-25-035346.json","markdown":"https://secwatch.observer/filing/0001140361-25-035346.md","text":"https://secwatch.observer/filing/0001140361-25-035346.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1506492/000114036125035346/0001140361-25-035346-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1506492/000114036125035346/ef20055643_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T06:14:24.992015+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}