The purpose of this prospective, multi-center, randomized, controlled non-inferiority clinical trial was to evaluate the safety and efficacy of Cera™ patent foramen ovale occluders developed by Lifetech Scientific (Shenzhen) Co., LTD for the treatment of cryptogenic stroke complicated with patent foramen ovale. The study required the implant to follow instructions strictly.
To evaluate the performance of Cera™ patent foramen ovale occluders developed by Lifetech Scientific (Shenzhen) Co., LTD;