کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5027979 1470643 2017 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Use of Sheet Material for Rapid Prototyping of Cardiovascular Stents
ترجمه فارسی عنوان
استفاده از مواد ورق برای نمونه گیری سریع از استنت های قلبی عروقی
کلمات کلیدی
استنت قلب و عروق، لیزر کوچک برش، فولاد ضد زنگ، اچینگ شیمیایی،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
چکیده انگلیسی

Manufacturing of cardiovascular stents most commonly involve the use of tubular precursors and laser microcutting of the stent mesh, followed by chemical and electrochemical surface treatments. For mass manufacturing purposes, this production route is well-established, while for small batch or prototype production it proves to be cumbersome. Especially concerning newly developed alloys based, the production of microtubes is time consuming and highly costly. On the other hand, production of these new alloys in sheet metal form is a simpler approach, since the process uses non-dedicated tools and is easier as opposed to extrusion and tube drawing. Accordingly, in this work, the use of sheet material as precursor for rapid prototyping of cardiovascular stents is proposed. In particular, a ns-pulsed fiber laser is used for cutting permanent AISI 316L. Laser microcutting conditions are investigated in terms of generated spatter and kerf geometry. Chemical etching is employed to clean the dross generated around the cut kerf. A novel stent geometry allowing for transforming the sheet material to a tubular form is employed to produce prototype stents.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Procedia Engineering - Volume 183, 2017, Pages 194-199
نویسندگان
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