ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,023, issued on May 26, was assigned to BIOTRONIK AG (Buelach, Switzerland).

"Crossing catheter system for crossing chronic total occlusion and a method for operating the crossing catheter system" was invented by Azadeh Mehrabi (Meilen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crossing catheter system for crossing chronic total occlusion includes or consists of a support catheter having a support catheter shaft defining a support catheter lumen capable of receiving a dilator. A dilator is arranged within the support catheter lumen. A locking handle is arranged at a proximal support catheter end. The dilator has a proximal segment w...