{"id":1350,"date":"2025-11-24T12:34:43","date_gmt":"2025-11-24T05:34:43","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/vi-sao-dung-cu-phau-thuat-khay-y-te-phai-lam-tu-thep-khong-gi\/"},"modified":"2025-11-24T12:34:43","modified_gmt":"2025-11-24T05:34:43","slug":"vi-sao-dung-cu-phau-thuat-khay-y-te-phai-lam-tu-thep-khong-gi","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/vi-sao-dung-cu-phau-thuat-khay-y-te-phai-lam-tu-thep-khong-gi\/","title":{"rendered":"V\u00ec sao d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt, khay y t\u1ebf ph\u1ea3i l\u00e0m t\u1eeb th\u00e9p kh\u00f4ng g\u1ec9?"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-yeu-cau-vat-lieu-doi-voi-dung-cu-phau-thuat-va-kha\">Y\u00eau c\u1ea7u v\u1eadt li\u1ec7u \u0111\u1ed1i v\u1edbi d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 khay y t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-1-tai-sao-thep-khong-gi-la-lua-chon-toi-uu\">T\u1ea1i sao th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u<\/a><\/li>\n<li><a href=\"#toc-2-mac-inox-dien-hinh-va-ung-dung-khuyen-nghi\">M\u00e1c inox \u0111i\u1ec3n h\u00ecnh v\u00e0 \u1ee9ng d\u1ee5ng khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-3-tieu-chuan-va-quy-dinh-ban-can-biet\">Ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh b\u1ea1n c\u1ea7n bi\u1ebft<\/a><\/li>\n<li><a href=\"#toc-4-so-sanh-inox-voi-vat-lieu-khac\">So s\u00e1nh inox v\u1edbi v\u1eadt li\u1ec7u kh\u00e1c<\/a><\/li>\n<li><a href=\"#toc-5-loi-an-mon-thuong-gap-va-cach-phong-ngua\">L\u1ed7i \u0103n m\u00f2n th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<\/a><\/li>\n<li><a href=\"#toc-6-huong-dan-chon-nhanh-cho-du-andau-thau\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn nhanh cho d\u1ef1 \u00e1n\/\u0111\u1ea5u th\u1ea7u<\/a><\/li>\n<li><a href=\"#toc-7-thuc-hanh-tot-ve-xu-ly-be-mat-va-bao-tri\">Th\u1ef1c h\u00e0nh t\u1ed1t v\u1ec1 x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<\/a><\/li>\n<li><a href=\"#toc-8-dich-vu-va-vat-tu-inox-tu-inox-cuong-thinh-ha-noi\">D\u1ecbch v\u1ee5 v\u00e0 v\u1eadt t\u01b0 inox t\u1eeb Inox C\u01b0\u1eddng Th\u1ecbnh (H\u00e0 N\u1ed9i)<\/a><\/li>\n<li><a href=\"#toc-9-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong l\u0129nh v\u1ef1c C\u00f4ng nghi\u1ec7p S\u1ea1ch (th\u1ef1c ph\u1ea9m, y t\u1ebf, d\u01b0\u1ee3c ph\u1ea9m), y\u00eau c\u1ea7u v\u1ec7 sinh \u2013 an to\u00e0n \u2013 \u0111\u1ed9 b\u1ec1n l\u00e0 tuy\u1ec7t \u0111\u1ed1i. Ri\u00eang v\u1edbi d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 khay y t\u1ebf, c\u00e2u h\u1ecfi c\u1ed1t l\u00f5i l\u00e0: v\u00ec sao v\u1eadt li\u1ec7u g\u1ea7n nh\u01b0 m\u1eb7c \u0111\u1ecbnh ph\u1ea3i l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 (inox)? B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch ti\u00eau chu\u1ea9n, c\u01a1 ch\u1ebf k\u1ef9 thu\u1eadt v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn m\u00e1c inox t\u1ed1i \u01b0u cho b\u1ec7nh vi\u1ec7n, CSSD, ph\u00f2ng m\u1ed5 v\u00e0 x\u01b0\u1edfng gia c\u00f4ng y t\u1ebf.<\/p>\n<h2 id=\"toc-0-yeu-cau-vat-lieu-doi-voi-dung-cu-phau-thuat-va-kha\">Y\u00eau c\u1ea7u v\u1eadt li\u1ec7u \u0111\u1ed1i v\u1edbi d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 khay y t\u1ebf<\/h2>\n<h3>Kh\u1ea3 n\u0103ng ti\u1ec7t khu\u1ea9n l\u1eb7p l\u1ea1i<\/h3>\n<p>&#8211; Ch\u1ecbu \u0111\u01b0\u1ee3c chu tr\u00ecnh h\u1ea5p s\u1ea5y h\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a 121\u2013134\u00b0C (3\u201330 ph\u00fat t\u00f9y chu tr\u00ecnh), s\u1ea5y kh\u00f4, plasma H2O2, EO v\u00e0 h\u00f3a ch\u1ea5t l\u00e0m s\u1ea1ch m\u00e0 kh\u00f4ng bi\u1ebfn d\u1ea1ng, n\u1ee9t g\u00e3y hay suy gi\u1ea3m t\u00ednh n\u0103ng.<br \/>\n&#8211; B\u1ec1 m\u1eb7t ph\u1ea3i duy tr\u00ec \u0111\u1ed9 nh\u1eb5n, kh\u00f4ng x\u1ed1p, kh\u00f4ng n\u1ee9t k\u1ebd \u0111\u1ec3 h\u1ea1n ch\u1ebf b\u00e1m b\u1ea9n v\u00e0 vi sinh.<\/p>\n<h3>An to\u00e0n sinh h\u1ecdc v\u00e0 t\u01b0\u01a1ng th\u00edch m\u00f4<\/h3>\n<p>&#8211; Kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng gi\u1ea3i ph\u00f3ng ion g\u00e2y k\u00edch \u1ee9ng trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng v\u00e0 l\u00e0m s\u1ea1ch th\u00f4ng th\u01b0\u1eddng.<br \/>\n&#8211; Kh\u00f4ng y\u00eau c\u1ea7u t\u00ednh \u201cc\u1ea5y gh\u00e9p d\u00e0i h\u1ea1n\u201d nh\u01b0 implant, nh\u01b0ng ph\u1ea3i tr\u01a1 v\u1ec1 m\u1eb7t sinh h\u1ecdc trong th\u1eddi gian ti\u1ebfp x\u00fac ng\u1eafn.<\/p>\n<h3>C\u01a1 t\u00ednh v\u00e0 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc<\/h3>\n<p>&#8211; D\u1ee5ng c\u1ee5 c\u1eaft c\u1ea7n \u0111\u1ed9 c\u1ee9ng cao, gi\u1eef s\u1eafc l\u00e2u, ch\u1ecbu m\u00e0i m\u00f2n.<br \/>\n&#8211; K\u00ecm, k\u1eb9p, k\u00e9o\u2026 c\u1ea7n \u0111\u1ed9 b\u1ec1n, t\u00ednh \u0111\u00e0n h\u1ed3i, ch\u1ed1ng m\u1ecfi cho h\u00e0ng ngh\u00ecn chu k\u1ef3.<br \/>\n&#8211; Khay\/gi\u1ecf c\u1ea7n ch\u1ecbu t\u1ea3i, va \u0111\u1eadp, x\u1ebfp ch\u1ed3ng, kh\u00f4ng cong v\u00eanh khi h\u1ea5p.<\/p>\n<h2 id=\"toc-1-tai-sao-thep-khong-gi-la-lua-chon-toi-uu\">T\u1ea1i sao th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u<\/h2>\n<h3>Ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i nh\u1edd l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3<\/h3>\n<p>&#8211; Inox t\u1ef1 t\u1ea1o l\u1edbp oxide crom si\u00eau m\u1ecfng, t\u1ef1 t\u00e1i t\u1ea1o khi x\u01b0\u1edbc, b\u1ea3o v\u1ec7 kh\u1ecfi r\u1ec9 s\u00e9t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, m\u00e1u, d\u1ecbch c\u01a1 th\u1ec3 v\u00e0 ch\u1ea5t t\u1ea9y.<br \/>\n&#8211; M\u00e1c c\u00f3 Mo nh\u01b0 316L t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 pitting b\u1edfi ion clorua (PREN: 304 \u2248 18\u201319; 316L \u2248 23\u201324), h\u1eefu \u00edch cho khay\/gi\u1ecf, \u0111\u1ef1ng d\u1ee5ng c\u1ee5 khi ti\u1ebfp x\u00fac dung d\u1ecbch mu\u1ed1i.<\/p>\n<h3>T\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u1ec7t khu\u1ea9n<\/h3>\n<p>&#8211; Inox ch\u1ecbu \u0111\u01b0\u1ee3c h\u01a1i n\u01b0\u1edbc b\u00e3o h\u00f2a, nhi\u1ec7t kh\u00f4, plasma H2O2, h\u00f3a ch\u1ea5t trung t\u00ednh\/ki\u1ec1m nh\u1eb9 m\u00e0 kh\u00f4ng suy gi\u1ea3m c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t n\u1ebfu x\u1eed l\u00fd \u0111\u00fang quy tr\u00ecnh.<br \/>\n&#8211; Duy tr\u00ec h\u00ecnh h\u1ecdc ch\u00ednh x\u00e1c v\u00e0 c\u01a1 t\u00ednh \u1ed5n \u0111\u1ecbnh sau nhi\u1ec1u ngh\u00ecn chu k\u1ef3.<\/p>\n<h3>D\u1ec5 gia c\u00f4ng ch\u00ednh x\u00e1c, m\u00e0i s\u1eafc v\u00e0 duy tr\u00ec l\u01b0\u1ee1i c\u1eaft<\/h3>\n<p>&#8211; Nh\u00f3m inox martensitic (410\/420\/440C) \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng cao (HRC ~48\u201360), m\u00e0i b\u00e9n t\u1ed1t cho dao k\u00e9o ph\u1eabu thu\u1eadt.<br \/>\n&#8211; Nh\u00f3m austenitic (304\/316L) d\u1ec5 t\u1ea1o h\u00ecnh, h\u00e0n, d\u1eadp l\u1ed7 cho khay, gi\u1ecf, b\u1ed9 gi\u00e1 \u0111\u1ee1.<\/p>\n<h3>B\u1ec1 m\u1eb7t s\u1ea1ch, h\u1ea1n ch\u1ebf b\u00e1m biofilm<\/h3>\n<p>&#8211; \u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t th\u1ea5p (Ra \u2264 0,2\u20130,4 \u00b5m v\u1edbi v\u00f9ng ti\u1ebfp x\u00fac quan tr\u1ecdng) c\u00f9ng x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng\/\u0111i\u1ec7n h\u00f3a b\u00f3ng (electropolishing) gi\u00fap gi\u1ea3m gi\u1eef l\u1ea1i protein\/vi khu\u1ea9n, l\u00e0m s\u1ea1ch nhanh.<br \/>\n&#8211; B\u1ec1 m\u1eb7t s\u00e1ng satin ho\u1eb7c \u0111i\u1ec7n h\u00f3a b\u00f3ng c\u0169ng gi\u00fap ki\u1ec3m tra nhi\u1ec5m b\u1ea9n b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/p>\n<h3>Ti\u00eau chu\u1ea9n h\u00f3a, s\u1eb5n ngu\u1ed3n v\u00e0 truy xu\u1ea5t<\/h3>\n<p>&#8211; M\u00e1c inox cho d\u1ee5ng c\u1ee5 y t\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a (ISO 7153-1, ASTM F899), d\u1ec5 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, c\u00f3 ch\u1ee9ng ch\u1ec9 MTC\/COO, ph\u00f9 h\u1ee3p qu\u1ea3n l\u00fd theo ISO 13485.<\/p>\n<h2 id=\"toc-2-mac-inox-dien-hinh-va-ung-dung-khuyen-nghi\">M\u00e1c inox \u0111i\u1ec3n h\u00ecnh v\u00e0 \u1ee9ng d\u1ee5ng khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; 304\/304L (AISI): Khay, gi\u1ecf l\u01b0\u1edbi, h\u1ed9p ch\u1ee9a, gi\u00e1 \u0111\u1ee1, th\u00f9ng r\u1eeda si\u00eau \u00e2m. \u01afu \u0111i\u1ec3m: d\u1ec5 gia c\u00f4ng, h\u00e0n t\u1ed1t, gi\u00e1 h\u1ee3p l\u00fd. D\u00f9ng n\u01b0\u1edbc c\u00f3 clorua th\u1ea5p, tr\u00e1nh h\u00f3a ch\u1ea5t clo.<br \/>\n&#8211; 316L: Khay\/gi\u1ecf\/k\u1ec7 \u1edf m\u00f4i tr\u01b0\u1eddng clorua cao, dung d\u1ecbch m\u1eb7n, ch\u1ea5t t\u1ea9y m\u1ea1nh h\u01a1n; chi ti\u1ebft ti\u1ebfp x\u00fac l\u00e2u v\u1edbi dung d\u1ecbch mu\u1ed1i\/sinh h\u1ecdc. Ch\u1ed1ng r\u1ed7 t\u1ed1t h\u01a1n 304\/304L.<br \/>\n&#8211; 301\/302\/304 d\u00e2y l\u00f2 xo: L\u00f2 xo, k\u1eb9p \u0111\u00e0n h\u1ed3i, \u0111ai gi\u1eef d\u1ee5ng c\u1ee5.<br \/>\n&#8211; 410: K\u1eb9p, k\u00e9o, panh ph\u1ed5 th\u00f4ng. C\u1ee9ng v\u1eeba, gia c\u00f4ng t\u1ed1t, chi ph\u00ed t\u1ed1i \u01b0u.<br \/>\n&#8211; 420\/420A\/420B\/420C (420HC): Dao k\u00e9o, k\u00e9o ph\u1eabu thu\u1eadt c\u1ea7n s\u1eafc b\u00e9n v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n; \u0111\u1ed9 c\u1ee9ng sau t\u00f4i ram ~50\u201356 HRC.<br \/>\n&#8211; 440A\/440B\/440C: D\u1ee5ng c\u1ee5 c\u1eaft cao c\u1ea5p, gi\u1eef l\u01b0\u1ee1i r\u1ea5t t\u1ed1t; 440C c\u00f3 th\u1ec3 \u0111\u1ea1t ~58\u201360 HRC, ch\u1ed1ng m\u00e0i m\u00f2n cao, c\u1ea7n x\u1eed l\u00fd nhi\u1ec7t v\u00e0 th\u1ee5 \u0111\u1ed9ng chu\u1ea9n \u0111\u1ec3 h\u1ea1n ch\u1ebf r\u1ed7.<br \/>\n&#8211; 17-4PH (X5CrNiCuNb16-4): D\u1ee5ng c\u1ee5 ch\u1ec9nh h\u00ecnh, d\u1ee5ng c\u1ee5 ch\u1ecbu t\u1ea3i\/va \u0111\u1eadp, tay khoan; c\u01b0\u1eddng \u0111\u1ed9 cao, \u0111\u1ed9 c\u1ee9ng ~HRC 40\u201344 (H900), \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc.<br \/>\nL\u01b0u \u00fd: Inox 201\/202 kh\u00f4ng ph\u00f9 h\u1ee3p do nikel th\u1ea5p, ch\u1ed1ng \u0103n m\u00f2n k\u00e9m trong m\u00f4i tr\u01b0\u1eddng y t\u1ebf v\u00e0 d\u1ec5 \u0111\u1ed5i m\u00e0u sau ti\u1ec7t khu\u1ea9n.<\/p>\n<h2 id=\"toc-3-tieu-chuan-va-quy-dinh-ban-can-biet\">Ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh b\u1ea1n c\u1ea7n bi\u1ebft<\/h2>\n<p>&#8211; ISO 7153-1: V\u1eadt li\u1ec7u d\u00f9ng cho d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt \u2013 danh m\u1ee5c m\u00e1c th\u00e9p \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn v\u00e0 y\u00eau c\u1ea7u t\u00ednh n\u0103ng.<br \/>\n&#8211; ASTM F899: Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt cho th\u00e9p kh\u00f4ng g\u1ec9 d\u00f9ng ch\u1ebf t\u1ea1o d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt (th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, c\u01a1 t\u00ednh, k\u00fd hi\u1ec7u m\u00e1c).<br \/>\n&#8211; ASTM A967\/A380: Th\u1ee5 \u0111\u1ed9ng v\u00e0 l\u00e0m s\u1ea1ch inox \u2013 quy tr\u00ecnh axit nitric\/citric, ki\u1ec3m ch\u1ee9ng kh\u00f4ng t\u1ef1 do s\u1eaft.<br \/>\n&#8211; AAMI ST79: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 ti\u1ec7t khu\u1ea9n h\u01a1i n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o v\u00f4 khu\u1ea9n t\u1ea1i c\u01a1 s\u1edf y t\u1ebf (y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, chu tr\u00ecnh, x\u1eed l\u00fd sau ti\u1ec7t khu\u1ea9n).<br \/>\n&#8211; ISO 13485: H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng cho thi\u1ebft b\u1ecb y t\u1ebf (truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u, h\u1ed3 s\u01a1 l\u00f4).<br \/>\n&#8211; FDA Guidance on Reprocessing of Reusable Medical Devices: Khuy\u1ebfn ngh\u1ecb thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m s\u1ea1ch v\u00e0 t\u00e1i x\u1eed l\u00fd an to\u00e0n.<br \/>\nNgu\u1ed3n tham kh\u1ea3o ti\u00eau bi\u1ec3u:<br \/>\n&#8211; ISO 7153-1: https:\/\/www.iso.org\/standard\/51064.html<br \/>\n&#8211; ASTM F899: https:\/\/www.astm.org\/f0899-20.html<br \/>\n&#8211; ASTM A967: https:\/\/www.astm.org\/a0967_a0967m-17.html<br \/>\n&#8211; AAMI ST79: https:\/\/www.aami.org<br \/>\n&#8211; FDA Reprocessing Guidance: https:\/\/www.fda.gov\/medical-devices<\/p>\n<h2 id=\"toc-4-so-sanh-inox-voi-vat-lieu-khac\">So s\u00e1nh inox v\u1edbi v\u1eadt li\u1ec7u kh\u00e1c<\/h2>\n<h3>Th\u00e9p carbon m\u1ea1<\/h3>\n<p>&#8211; \u01afu: r\u1ebb, c\u1ee9ng.<br \/>\n&#8211; Nh\u01b0\u1ee3c: l\u1edbp m\u1ea1 bong trong m\u00f4i tr\u01b0\u1eddng \u1ea9m\/nhi\u1ec7t\/ki\u1ec1m; r\u1ec9 nhanh; kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c quy tr\u00ecnh ti\u1ec7t khu\u1ea9n l\u1eb7p l\u1ea1i. Kh\u00f4ng ch\u1ea5p nh\u1eadn cho d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt.<\/p>\n<h3>Nh\u00f4m\/anodized<\/h3>\n<p>&#8211; \u01afu: nh\u1eb9, t\u1ea3n nhi\u1ec7t nhanh; ph\u00f9 h\u1ee3p m\u1ed9t s\u1ed1 khay\/container chuy\u00ean d\u1ee5ng.<br \/>\n&#8211; Nh\u01b0\u1ee3c: l\u1edbp anod c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n do ki\u1ec1m m\u1ea1nh\/enzym ch\u1ee9a clorua; bi\u1ebfn d\u1ea1ng \u1edf nhi\u1ec7t cao h\u01a1n; kh\u00f4ng th\u00edch h\u1ee3p cho l\u01b0\u1ee1i c\u1eaft.<\/p>\n<h3>Titan (Ti-6Al-4V)<\/h3>\n<p>&#8211; \u01afu: si\u00eau nh\u1eb9, tr\u01a1 sinh h\u1ecdc, kh\u00f4ng nhi\u1ec5m t\u1eeb (ph\u00f2ng MRI), ch\u1ed1ng \u0103n m\u00f2n r\u1ea5t cao.<br \/>\n&#8211; Nh\u01b0\u1ee3c: gi\u00e1 cao, kh\u00f3 gia c\u00f4ng, \u0111\u1ed9 c\u1ee9ng l\u01b0\u1ee1i c\u1eaft kh\u00f4ng b\u1eb1ng 440C. D\u00f9ng cho chuy\u00ean khoa, vi ph\u1eabu, ph\u1eabu thu\u1eadt g\u1ea7n MRI.<\/p>\n<h3>Polymer k\u1ef9 thu\u1eadt (PPSU, PEEK)<\/h3>\n<p>&#8211; \u01afu: nh\u1eb9, trong su\u1ed1t tia X (t\u00f9y), ch\u1ecbu nhi\u1ec7t nh\u1ea5t \u0111\u1ecbnh; hay d\u00f9ng cho h\u1ed9p, khay container c\u00f3 filter.<br \/>\n&#8211; Nh\u01b0\u1ee3c: h\u1ea1n ch\u1ebf nhi\u1ec7t\/ki\u1ec1m, tr\u1ea7y x\u01b0\u1edbc, kh\u00f4ng d\u00f9ng cho d\u1ee5ng c\u1ee5 c\u1eaft hay chi ti\u1ebft ch\u1ecbu t\u1ea3i cao.<\/p>\n<h2 id=\"toc-5-loi-an-mon-thuong-gap-va-cach-phong-ngua\">L\u1ed7i \u0103n m\u00f2n th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch ph\u00f2ng ng\u1eeba<\/h2>\n<h3>R\u1ed7 pitting v\u00e0 \u0111\u1ed5i m\u00e0u sau h\u1ea5p<\/h3>\n<p>&#8211; Nguy\u00ean nh\u00e2n: ion clorua cao trong n\u01b0\u1edbc c\u1ea5p\/\u0111\u1ecdng n\u01b0\u1edbc; c\u1eb7n kho\u00e1ng (n\u01b0\u1edbc c\u1ee9ng); d\u01b0 h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda; kh\u00f4ng s\u1ea5y kh\u00f4.<br \/>\n&#8211; Gi\u1ea3i ph\u00e1p: d\u00f9ng n\u01b0\u1edbc kh\u1eed kho\u00e1ng\/DI cho tr\u00e1ng cu\u1ed1i; ki\u1ec3m so\u00e1t clorua trong n\u01b0\u1edbc; ch\u1ecdn 316L cho khay; th\u1ee5 \u0111\u1ed9ng theo ASTM A967.<\/p>\n<h3>Khe k\u1ebd, b\u1ea3n l\u1ec1, \u0103n m\u00f2n k\u1ebd h\u1edf<\/h3>\n<p>&#8211; Thi\u1ebft k\u1ebf \u01b0u ti\u00ean khe h\u1edf d\u1ec5 r\u1eeda, b\u1ea3n l\u1ec1 m\u1edf; d\u00f9ng d\u1ea7u b\u00f4i tr\u01a1n d\u1ee5ng c\u1ee5 y t\u1ebf sau r\u1eeda; \u0111\u1ecbnh k\u1ef3 th\u00e1o v\u1ec7 sinh v\u1edbi d\u1ee5ng c\u1ee5 ph\u1ee9c t\u1ea1p.<\/p>\n<h3>\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a do ti\u1ebfp x\u00fac kh\u00e1c m\u00e1c<\/h3>\n<p>&#8211; Tr\u00e1nh \u0111\u1ec3 440C m\u1edbi m\u00e0i (b\u1ec1 m\u1eb7t ho\u1ea1t h\u00f3a) ti\u1ebfp x\u00fac \u01b0\u1edbt v\u1edbi 304 trong th\u1eddi gian d\u00e0i; b\u1ea3o \u0111\u1ea3m th\u1ee5 \u0111\u1ed9ng l\u1ea1i sau m\u00e0i\/\u0111\u00e1nh b\u00f3ng; s\u1ea5y kh\u00f4 tri\u1ec7t \u0111\u1ec3.<\/p>\n<h3>H\u00f3a ch\u1ea5t kh\u00f4ng ph\u00f9 h\u1ee3p<\/h3>\n<p>&#8211; Tr\u00e1nh dung d\u1ecbch hypochlorite (Javen), axit m\u1ea1nh, mu\u1ed1i b\u1ea1c; \u01b0u ti\u00ean ch\u1ea5t t\u1ea9y enzym trung t\u00ednh ho\u1eb7c ki\u1ec1m nh\u1eb9 pH 7\u201310 theo khuy\u1ebfn ngh\u1ecb nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 AAMI ST79.<\/p>\n<h2 id=\"toc-6-huong-dan-chon-nhanh-cho-du-andau-thau\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn nhanh cho d\u1ef1 \u00e1n\/\u0111\u1ea5u th\u1ea7u<\/h2>\n<p>&#8211; Khay, gi\u1ecf CSSD ti\u00eau chu\u1ea9n: 304\/304L c\u00e1n ngu\u1ed9i, d\u1eadp l\u1ed7\/perforated; ch\u1ecdn 316L n\u1ebfu n\u01b0\u1edbc c\u1ea5p c\u00f3 clorua cao ho\u1eb7c ti\u1ebfp x\u00fac dung d\u1ecbch mu\u1ed1i th\u01b0\u1eddng xuy\u00ean.<br \/>\n&#8211; D\u1ee5ng c\u1ee5 c\u1eaft, k\u00e9o ph\u1eabu thu\u1eadt t\u1ed5ng qu\u00e1t: 420\/420HC ho\u1eb7c 440A; cao c\u1ea5p, gi\u1eef l\u01b0\u1ee1i l\u00e2u: 440C.<br \/>\n&#8211; K\u1eb9p, panh, tay c\u1ea7m: 410\/420; y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n cao: 17-4PH.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng g\u1ea7n MRI: tr\u00e1nh d\u1ee5ng c\u1ee5 nhi\u1ec5m t\u1eeb (420\/440C\/17-4PH). Ch\u1ecdn titan ho\u1eb7c austenitic 316L khi ph\u00f9 h\u1ee3p c\u00f4ng n\u0103ng.<br \/>\n&#8211; Y\u00eau c\u1ea7u v\u1ec7 sinh c\u1ef1c cao, gi\u1ea3m b\u00e1m b\u1ea9n: b\u1ec1 m\u1eb7t electropolish, Ra \u2264 0,4 \u00b5m; th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A967; ki\u1ec3m so\u00e1t n\u01b0\u1edbc tr\u00e1ng cu\u1ed1i b\u1eb1ng DI.<\/p>\n<h2 id=\"toc-7-thuc-hanh-tot-ve-xu-ly-be-mat-va-bao-tri\">Th\u1ef1c h\u00e0nh t\u1ed1t v\u1ec1 x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<\/h2>\n<p>&#8211; Th\u1ee5 \u0111\u1ed9ng h\u00f3a (nitric\/citric) sau gia c\u00f4ng, m\u00e0i, h\u00e0n \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1edbp Cr2O3.<br \/>\n&#8211; \u0110i\u1ec7n h\u00f3a b\u00f3ng (electropolishing) cho khay\/gi\u1ecf v\u00e0 d\u1ee5ng c\u1ee5 tinh x\u1ea3o, gi\u1ea3m vi sinh b\u00e1m d\u00ednh.<br \/>\n&#8211; L\u00e0m s\u1ea1ch ngay sau s\u1eed d\u1ee5ng b\u1eb1ng enzym trung t\u00ednh; ch\u1ea3i c\u01a1 h\u1ecdc \u1edf kh\u1edbp; tr\u00e1ng DI; s\u1ea5y kh\u00f4.<br \/>\n&#8211; B\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3: ki\u1ec3m tra r\u1ed7\/\u0111\u1ed5i m\u00e0u, \u0111\u1ed9 b\u00e9n; b\u00f4i tr\u01a1n y t\u1ebf cho kh\u1edbp; thay th\u1ebf khi ph\u00e1t hi\u1ec7n pitting lan r\u1ed9ng.<\/p>\n<h2 id=\"toc-8-dich-vu-va-vat-tu-inox-tu-inox-cuong-thinh-ha-noi\">D\u1ecbch v\u1ee5 v\u00e0 v\u1eadt t\u01b0 inox t\u1eeb Inox C\u01b0\u1eddng Th\u1ecbnh (H\u00e0 N\u1ed9i)<\/h2>\n<p>&#8211; Kho s\u1eb5n: t\u1ea5m\/cu\u1ed9n 304\/304L, 316\/316L; \u1ed1ng\/h\u1ed9p, l\u01b0\u1edbi, l\u1ed7 d\u1eadp; d\u00e2y 302\/304 cho l\u00f2 xo; gi\u1ecf l\u01b0\u1edbi 304\/316L.<br \/>\n&#8211; \u0110\u1eb7t h\u00e0ng: thanh tr\u00f2n 410\/420\/440C, 17-4PH; x\u1eed l\u00fd nhi\u1ec7t, th\u1ee5 \u0111\u1ed9ng, \u0111i\u1ec7n h\u00f3a b\u00f3ng theo y\u00eau c\u1ea7u.<br \/>\n&#8211; Gia c\u00f4ng: c\u1eaft laser\/waterjet, d\u1eadp l\u1ed7 theo k\u00edch th\u01b0\u1edbc khay CSSD, h\u00e0n TIG vi c\u00f4ng nghi\u1ec7p, ki\u1ec3m so\u00e1t Ra.<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9: MTC\/CO, ch\u1ee9ng nh\u1eadn xu\u1ea5t x\u1ee9; t\u01b0 v\u1ea5n tu\u00e2n th\u1ee7 ISO 7153-1\/ASTM F899, khuy\u1ebfn ngh\u1ecb AAMI ST79.<br \/>\n&#8211; Giao nhanh n\u1ed9i th\u00e0nh H\u00e0 N\u1ed9i v\u00e0 khu c\u00f4ng nghi\u1ec7p l\u00e2n c\u1eadn.<\/p>\n<h2 id=\"toc-9-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; C\u00f3 b\u1eaft bu\u1ed9c d\u00f9ng 316L cho t\u1ea5t c\u1ea3? Kh\u00f4ng. D\u1ee5ng c\u1ee5 c\u1eaft th\u01b0\u1eddng d\u00f9ng 420\/440C \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng. 316L ph\u00f9 h\u1ee3p khay\/gi\u1ecf v\u00e0 chi ti\u1ebft c\u1ea7n ch\u1ed1ng r\u1ed7 cao.<br \/>\n&#8211; V\u00ec sao kh\u00f4ng d\u00f9ng inox 201? Niken th\u1ea5p, ch\u1ed1ng \u0103n m\u00f2n k\u00e9m trong m\u00f4i tr\u01b0\u1eddng clorua v\u00e0 ti\u1ec7t khu\u1ea9n, d\u1ec5 \u1ed1 v\u00e0ng v\u00e0 r\u1ed7.<br \/>\n&#8211; Inox c\u00f3 nhi\u1ec5m t\u1eeb kh\u00f4ng? Austenitic 304\/316L g\u1ea7n nh\u01b0 kh\u00f4ng nhi\u1ec5m t\u1eeb (sau \u1ee7), martensitic\/PH (420\/440C\/17-4PH) nhi\u1ec5m t\u1eeb. H\u00e3y l\u01b0u \u00fd khi d\u00f9ng g\u1ea7n MRI.<br \/>\n&#8211; D\u1ee5ng c\u1ee5 b\u1ecb \u0111\u1ed5i m\u00e0u sau autoclave? Th\u01b0\u1eddng do n\u01b0\u1edbc c\u1ee9ng\/c\u1eb7n h\u00f3a ch\u1ea5t. Tr\u00e1ng DI, s\u1ea5y kh\u00f4 v\u00e0 th\u1ee5 \u0111\u1ed9ng l\u1ea1i s\u1ebd kh\u1eafc ph\u1ee5c.<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 l\u1ef1a ch\u1ecdn g\u1ea7n nh\u01b0 b\u1eaft bu\u1ed9c cho d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 khay y t\u1ebf v\u00ec \u0111\u00e1p \u1ee9ng \u0111\u1ed3ng th\u1eddi ba y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i: ch\u1ed1ng \u0103n m\u00f2n d\u00e0i h\u1ea1n, t\u01b0\u01a1ng th\u00edch ti\u1ec7t khu\u1ea9n l\u1eb7p l\u1ea1i v\u00e0 c\u01a1 t\u00ednh ph\u00f9 h\u1ee3p. Vi\u1ec7c ch\u1ecdn \u0111\u00fang m\u00e1c (304\/316L cho khay; 410\/420\/440C\/17-4PH cho d\u1ee5ng c\u1ee5), x\u1eed l\u00fd b\u1ec1 m\u1eb7t (th\u1ee5 \u0111\u1ed9ng, electropolish) v\u00e0 tu\u00e2n th\u1ee7 chu\u1ea9n ISO 7153-1\/ASTM F899\/AAMI ST79 s\u1ebd quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd v\u00e0 an to\u00e0n s\u1eed d\u1ee5ng. \u0110\u1ea7u t\u01b0 \u0111\u00fang v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh ngay t\u1eeb \u0111\u1ea7u gi\u00fap gi\u1ea3m chi ph\u00ed v\u00f2ng \u0111\u1eddi, h\u1ea1n ch\u1ebf s\u1ef1 c\u1ed1 r\u1ec9 s\u00e9t, \u0111\u1ed5i m\u00e0u v\u00e0 h\u1ecfng d\u1ee5ng c\u1ee5.<\/p>\n<p>C\u1ea7n t\u01b0 v\u1ea5n chi ti\u1ebft v\u1eadt li\u1ec7u, gia c\u00f4ng v\u00e0 ch\u1ee9ng ch\u1ec9 cho d\u1ef1 \u00e1n y t\u1ebf c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Inox ch\u1ed1ng \u0103n m\u00f2n, ch\u1ecbu ti\u1ec7t khu\u1ea9n l\u1eb7p l\u1ea1i, an to\u00e0n sinh h\u1ecdc. Chu\u1ea9n ISO 7153-1\/ASTM F899. H\u01b0\u1edbng d\u1eabn ch\u1ecdn 304\/316L\/420\/440C, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n","protected":false},"author":7,"featured_media":1035,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1350"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1350\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1035"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}