US Patent 11786354 Embolic filter device

An embolic filter device has a tubular structure having a front end, a first section, a first section rear end, a left collection pocket formed in the first section rear end, a right collection pocket formed in the first section rear end, a first narrow passage, a second section, a second section front end, a second section rear end, a left second section collection pocket, a right second section collection pocket, a second narrow passage, and a rear end.