US 12,478,391 B2
Developing structure, stent, and thrombectomy system
Fanhe Meng, Shanghai (CN); Juan Hou, Shanghai (CN); Ye Qian, Shanghai (CN); and Chenyang Liu, Shanghai (CN)
Assigned to MICROPORT NEUROTECH (SHANGHAI) CO., LTD., Shanghai (CN)
Appl. No. 18/013,799
Filed by MICROPORT NEUROTECH (SHANGHAI) CO., LTD., Shanghai (CN)
PCT Filed Aug. 19, 2021, PCT No. PCT/CN2021/113545
§ 371(c)(1), (2) Date Dec. 29, 2022,
PCT Pub. No. WO2022/002282, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 202010621109.2 (CN), filed on Jun. 30, 2020.
Prior Publication US 2023/0355254 A1, Nov. 9, 2023
Int. Cl. A61B 17/22 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/22 (2013.01) [A61B 2090/3966 (2016.02)] 19 Claims
OG exemplary drawing
 
1. A radiopaque structure for use in a stent, wherein the radiopaque structure comprises:
at least one radiopaque sleeve, the at least one radiopaque sleeve disposed over at least one protrusion;
at least one filler, the at least one filler filled in a gap between the radiopaque sleeve and the protrusion; wherein the filler is provided by filling wire(s) and/or a polymer filling material mixed with a radiopaque material, the filling wire(s) including a radiopaque wire which extend from the radiopaque sleeve and/or a separate radiopaque wire; and/or wherein the separate radiopaque wire has a length of from 10 mm to 100 mm.