این روزها به سختی می توان حوزه ای را نام برد که پرینترهای سه بعدی به آن ورود پیدا نکرده باشند. یک بیمار اسپانیایی 54 ساله که در قفسه سینه خود توموری سرطانی داشت چندی پیش به لطف این دستگاه ها، تعدادی دنده و جناق جدید را دریافت کرد.
این پیوند عضو که در نوع خود اولین هم محسوب می شود در وهله نخست عجیب به نظر می آمد، اما باید بگوییم که به حق، ابتکاری بی نظیر و راهکاری فوق العاده برای نجات جان این بیمار اسپانیایی بود و با استفاده از تیتانیوم سبک و در عین حال محکم عملیاتی شد.
پزشکان بیمارستان دانشگاه سالامانکا در اسپانیا به لطف این تکنیک پرینت فلزات توانستند آناتومی پیچیده و منحصربفرد قفسه سینه بیمارشان را شبیه سازی کرده و جان او را نجات دهند.
آنها برای ساخت این دنده ها، از یک شرکت استرالیایی به نام Anatomics کمک گرفتند که در زمینه تولید تجهیزات پزشکی فعالیت دارد و با کمک آن موفق شدند که عضو پیوندی را طراحی کرده و پرینت نمایند.
تیم استرالیایی نخست با استفاده از اطلاعات به دست آمده از سی تی اسکن کیفیت بالای بیمار، طرح سه بعدی قفسه سینه و تومور وی را تهیه کردند تا پزشکان جراح نیز با دقت بالاتری تصمیم گیری نمایند.
در مرحله بعد، آنها از طریق یک فایل سه بعدی دیجیتالی با فرمت CAD جزئیات مربوط به آناتومی بیمار را مشخص کردند تا عضور پیوندی بهینه سازی شده را به صورت لایه به لایه از طریق پرینتر فلزی پرتوی الکترونی 1.3 میلیون دلاری Arcam بسازند.
هرچند این نخستن باری نیست که از یک پرینتر سه بعدی برای ساخت اعضای بدن تیتانیومی بهره گرفته می شود با این وجود، تا به امروز هیچگاه یک قفسه سینه با استفاده از این تکنولوژی تولید نشده بود.
طبق اعلام سازمان تحقیقات دولتی CSIRO در استرالیا که آزمایشگاه خود را برای این منظور در اختیار تیم دست اندرکار پروژه قرار داد، ساخت این بخش از بدن به خاطر ظاهر هندسی پیچیده اش بسیار دشوار است و باید برای هر بیمار به صورت جداگانه طراحی گردد.
عضو پیوندی نهایی پس از آماده سازی به سرعت به اسپانیا ارسال شد و حالا 12 روزی از انجام عمل جراحی روی فرد یاد شده می گذرد و بیمار دریافت کننده آن نیز، دوران نقاهت خود را پشت سر می گذارد.
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