FDA 召回多款髋膝关节假体组件：UHMWPE 原料老化超五年
ABG I ACETABULAR INSERT HOODED 28mm ID X 48mm C-M079-2-801 ARC2F ACETABULAR INSERT 48/50/52mm OD x 28mm ID C-M071-6-700 ARC2F ACETABULAR INSERT 50mm OD x 28mm ID 10DEGREE HOOD C-M071-8-400 BEARING AND AXLE BUSHING ASSY STANDARD ELBOW C-M110-1-201 BUSHING AND BEARING USE C-MM100253-00 C-MM100253-02 DURACON TIB INSERT LG 12MM MED 14MM LAT C-M066-3-000 EXETER WINGLESS CENTRALISER FOR C-M082-7-302 C-M082-7-303 EXETER WINGLESS CENTRALIZER XSM C-M107-5-301 GMRS EXTRA SM ALL-POLY TIBIA SIZE 11mm C-MM100616-02 GMRS EXTRA SM ALL-POLY TIBIA SIZE 16mm C-MM100616-03 GMRS EXTRA SM ALL-POLY TIBIA SIZE 8mm C-MM100616-01 GMRS SML POLY TIBIA 11MM CASE 100520 C-MM100520-03 GMRS SML POLY TIBIA 16MM CASE 100520 C-MM100520-04 GMRS SML POLY TIBIA 8MM CASE 100520 C-MM100520-02 GMRS SML TIBIA 11MM WITH CASE 100411 C-MM100411-03 GMRS SML TIBIA 14MM WITH CASE 100411 C-MM100411-04 GMRS SML TIBIA 8MM WITH CASE 100411 C-MM100411-02 GMRS TIB INSRT SML 10MM WITH CASE 100507 C-MM100507-04 GMRS TIB INSRT SML 16MM WITH
openFDA 器械召回信息显示，多款髋臼内衬、胫骨垫块等关节假体组件被召回，原因是使用了老化超过五年的超高分子量聚乙烯（UHMWPE）原料。该原料氧化水平可能升高，导致磨损加剧，进而产生过量磨损碎屑、材料碎片、器械断裂或脱位等风险，潜在危害包括翻修手术、疼痛和炎症。
召回原因指向UHMWPE原料超期老化带来的氧化风险，可了解其对关节假体磨损与翻修的影响。
来源：openFDA 器械召回 · api.fda.gov