ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,078, issued on April 7, was assigned to Stryker Corp. (Kalamazoo, Mich.) and Stryker European Operations Ltd. (Carrigtwohill, Ireland).

"Vaso-occlusive devices" was invented by Hancun Chen (San Ramon, Calif.) and Andrew S. Lee (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vaso-occlusive device, includes: a vaso-occlusive structure configured for implantation in an aneurysm sac, the vaso-occlusive structure having a delivery configuration when restrained within a delivery catheter and having a deployed configuration when released from the delivery catheter into the aneurysmal sac, at least a portion of the vaso-occlusive structur...