Introduction to the US FDA Guideline "Key Points for Non-clinical Evaluation

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18 Ekim 2022 Polislik kategorisinde Jessica *(Yeni) (1,200 puan) sordu

Original Title: Brief Introduction to the US FDA Guidelines on Key Points for Non-clinical Evaluation of Medical Devices Containing Nitinol Brief Introduction of FDA's Guideline on Nonclinical Evaluation of Medical Devices Containing Nitinol In October 2020, FDA of the United States issued the Guidelines for Non-clinical Evaevaluating its safety and effectiveness, it is necessary to focus on thermodynamic properties, process sensitivity and so on. II. Key points of technical evaluation (I) Basic information 1. Material composition If the material of the nickel-titanium alloy used in the device conforms to a recognized standard, it shall be specified in the application (e.g., ASTM F2063). If the material does not conform to a recognized standard,titanium round bar, the composition of the material shall be defined and its properties shall be described. 2. Manufacturing process The production process flow diagram shall be provided, especially the thermal process, surface treatment steps, final cleaning steps, etc. 3. Superelastic/shape memory properties At operating temperatures, superelasticity or shape memory can be achieved by adjusting t the device. The corrosion resistance depends on the manufacturing process and surface treatment. Pitting corrosion testing is recommended in accordance with ASTM F2129. 2. Release of nickel ion If Nitinol devices do not meet the accepted criteria for corrosion resistance, or do not use a proven surface treatment process, a nickel ion release test should be considered. Refer to ASTM F3306 for test methods. 3. Galvanic corrosion If Nitinol devices are expected to be in contact with dissimilar metals, consideration should be given to performing a galvanic corrosion test, as recommended in ASTM F3044. (IV) Biocompatibility It is recommended to refer to ISO 10993 -1 for biocompatibility evaluation. If a nickel ion release test is performed, refer to ISO 10993 -17. (V) Label information It is recommended that the label clearly indicate that the device contains nitinol, suggesting that it may cause allergic reactions in patients, nickel titanium wire ,6al4v titanium bar, especially in long-term or permanent implanted devices. III. References: [1] FDA. Technical Considerations for Non-Clinical Assessment of MedicalDevices Containing Nitinol - Guidance for Industry and Food and Drug Administration Staff. October 15, 2020 Labels: Medical Device FDA Registration, US Medical Device GMP Certification Release test is performed, refer to ISO 10993 -17. (V) Label information It is recommended that the label clearly indicate that the device contains nitinol, suggesting that it may cause allergic reactions in patients,titanium round bar, especially in long-term or permanent implanted devices. III. References: [1] FDA. Technical Considerations for Non-Clinical Assessment of MedicalDevices Containing Nitinol - Guidance for Industry and Food and Drug Administration Staff. October 15, 2020 Tags: Medical Device FDA Registration, US Medical Device GMP Certification Return to Sohu to see more Responsible Editor:. yunchtitanium.com

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