AngioDynamics Targets E2’s Hēlo in Clot Removal Patent Suit

Endovascular Engineering Inc.’s catheter-based system for removing blood clots from vessels infringes three patents covering technology used in AngioDynamics Inc.’s competing systems, a federal lawsuit said.

Angio alleged E2’s Hēlo thrombectomy system infringes US Patent Nos. 8,613,717, 11,589,880, and 12,496,077, according to a complaint filed Thursday in the US District Court for the District of Delaware. It seeks damages including lost profits and a reasonable royalty, and preliminary and permanent injunctions barring further unauthorized use of the technology.

Angio called its AngioVac and AlphaVac systems “specialized catheters that vacuum up blood clots before they dislodge and cause ...