US Patent Issued to Amplitude Vascular Systems on Jan. 20 for "Microcatheter systems and methods for crossing total occlusions" (Massachusetts Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,588, issued on Jan. 20, was assigned to Amplitude Vascular Systems Inc. (Waltham, Mass.).

"Microcatheter systems and methods for crossing total occlusions" was invented by Robert Chisena (Boston) and Hitinder Gurm (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microcatheter system for crossing total occlusions including a distal crosser unit and an actuator is disclosed. The distal crosser unit comprises: a microcatheter having a guidewire lumen; a guidewire present in the guidewire lumen and extending beyond the distal end of the microcatheter; a proximal balloon attached to both the microcatheter and the guidewire, wherein the proximal b...