A method for preparing nitinol-based radiopaque stent by deposition of heavy metal via selective plasma etching

• Main Authors: JANG, TAE SIK, KIM, HYOUN EE, PARK, CHEON IL
• Format: Patent
• Language: English; Korean
• Published: 31.10.2017
• Subjects: ALLOYS; BANDAGES, DRESSINGS OR ABSORBENT PADS; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMISTRY; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; FERROUS OR NON-FERROUS ALLOYS; FILTERS IMPLANTABLE INTO BLOOD VESSELS; FIRST-AID KITS; FOMENTATION; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METALLURGY; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PROSTHESES; TREATMENT OF ALLOYS OR NON-FERROUS METALS; TREATMENT OR PROTECTION OF EYES OR EARS

본 발명은 선택적 플라즈마 에칭법으로 형성된 방사선불투과성 중금속 코팅층을 포함하는 니티놀 기반 스텐트의 제조방법 및 방사선불투과성 니티놀 기반 합금 기재 예컨대, 스텐트에 관한 것이다.