CHF Solutions Patents

Patent portfolio assigned to CHF Solutions (verified via public assignee records). Medical-device firm (Aquadex aquapheresis/ultrafiltration for fluid overload; later renamed Nuwellis). Per its SEC 10-K, Baxter's Prismaflex is the closest device competitor (diuretics are the main alternative). Patents confirmed via Google Patents assignee 'CHF Solutions, Inc.' (e.g. US6890315); exact count not read from a fetched page. Customers are hospitals/health systems but specific named accounts were not confirmable from primary pages.