{"id":6716,"date":"2021-01-11T14:34:53","date_gmt":"2021-01-11T14:34:53","guid":{"rendered":"https:\/\/pacific-cross-wp.eastplayers.io\/?p=6716"},"modified":"2023-06-20T14:22:04","modified_gmt":"2023-06-20T07:22:04","slug":"vai-tro-cua-laser-trong-y-hoc-phan-1","status":"publish","type":"post","link":"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/","title":{"rendered":"Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a laser trong y h\u1ecdc (ph\u1ea7n 1)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft \/ Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d7862a9354b\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d7862a9354b\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/#Dai_cuong_ve_laser_%E2%80%93_Tia_laser_la_gi\" >\u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 laser &#8211; Tia laser l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/#Nguyen_ly_tao_ra_Laser\" >Nguy\u00ean l\u00fd t\u1ea1o ra Laser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/#Cau_tao_co_ban_va_co_che_hoat_dong_cua_Laser\" >C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Laser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/#Do_dinh_huong_cao_tia_Laser_phat_ra_hau_nhu_la_chum_song_song_do_do_kha_nang_chieu_xa_hang_nghin_km_ma_khong_bi_tan_xaDac_tinh_cua_tia_Laser\" >\u0110\u1ed9 \u0111\u1ecbnh h\u01b0\u1edbng cao: tia Laser ph\u00e1t ra h\u1ea7u nh\u01b0 l\u00e0 ch\u00f9m song song do \u0111\u00f3 kh\u1ea3 n\u0103ng chi\u1ebfu xa h\u00e0ng ngh\u00ecn km m\u00e0 kh\u00f4ng b\u1ecb t\u00e1n x\u1ea1.\u0110\u1eb7c t\u00ednh c\u1ee7a tia Laser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/#Phan_loai_Laser\" >Ph\u00e2n lo\u1ea1i Laser<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-1\/#Vai_tro_va_ung_dung_cua_laser_trong_y_hoc\" >Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a laser trong y h\u1ecdc<\/a><\/li><\/ul><\/nav><\/div>\n<h1><img loading=\"lazy\" class=\"aligncenter size-full wp-image-10499\" src=\"https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/1-49.jpg\" alt=\"tia laser\" width=\"1000\" height=\"667\" srcset=\"https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/1-49.jpg 1000w, https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/1-49-300x200.jpg 300w, https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/1-49-768x512.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/h1>\n<p><strong><u>T\u00e1c gi\u1ea3: <\/u><\/strong><\/p>\n<ol>\n<li>TS. BS. L\u00ea V\u0103n Nh\u00e2n, Gi\u00e1m \u0111\u1ed1c D\u1ecbch v\u1ee5 Y khoa C\u00f4ng ty Pacific Cross Vi\u1ec7t Nam, Gi\u1ea3ng vi\u00ean Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y khoa Ph\u1ea1m Ng\u1ecdc Th\u1ea1ch<\/li>\n<li>ThS. BS. Tr\u1ea7n V\u0129nh T\u00e0i, Gi\u1ea3ng vi\u00ean Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y khoa Ph\u1ea1m Ng\u1ecdc Th\u1ea1ch<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Dai_cuong_ve_laser_%E2%80%93_Tia_laser_la_gi\"><\/span><strong>\u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 laser &#8211; Tia laser l\u00e0 g\u00ec? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1ef1 ra \u0111\u1eddi c\u1ee7a Laser b\u1eaft ngu\u1ed3n t\u1eeb Thuy\u1ebft L\u01b0\u1ee3ng t\u1eed do nh\u00e0 b\u00e1c h\u1ecdc A. Einstein ph\u00e1t minh ra n\u0103m 1916. \u0110\u1ebfn n\u0103m 1954, c\u00e1c nh\u00e0 b\u00e1c h\u1ecdc Anh, M\u1ef9 \u0111\u00e3 \u0111\u1ed3ng th\u1eddi s\u00e1ng ch\u1ebf ra m\u00e1y ph\u00e1t tia Laser \u1ee9ng d\u1ee5ng v\u00e0o th\u1ef1c t\u1ebf.<\/p>\n<p>C\u00e1c th\u1eed nghi\u1ec7m Laser tr\u00ean ng\u01b0\u1eddi b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng n\u0103m 1960. Laser l\u00e0 t\u00ean c\u1ee7a nh\u1eefng ch\u1eef c\u00e1i \u0111\u1ea7u c\u1ee7a thu\u1eadt ng\u1eef b\u1eb1ng ti\u1ebfng Anh \u201cLight Amplification by Stimulated Emission of Radiation\u201d (S\u1ef1 khu\u1ebfch \u0111\u1ea1i \u00e1nh s\u00e1ng b\u1eb1ng b\u1ee9c x\u1ea1 k\u00edch ho\u1ea1t).<\/p>\n<p>Laser l\u00e0 ngu\u1ed3n \u00e1nh s\u00e1ng nh\u00e2n t\u1ea1o thu \u0111\u01b0\u1ee3c nh\u1edd s\u1ef1 khu\u1ebfch \u0111\u1ea1i \u00e1nh s\u00e1ng b\u1eb1ng b\u1ee9c x\u1ea1 ph\u00e1t ra khi k\u00edch ho\u1ea1t cao \u0111\u1ed9 c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a m\u1ed9t m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>Laser l\u00e0 \u00e1nh s\u00e1ng c\u00f3 nhi\u1ec1u t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t h\u01a1n h\u1eb3n \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean hay nh\u00e2n t\u1ea1o kh\u00e1c v\u00e0 c\u00f3 nh\u1eefng c\u00f4ng d\u1ee5ng r\u1ea5t h\u1eefu \u00edch c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong r\u1ea5t nhi\u1ec1u l\u0129nh v\u1ef1c khoa h\u1ecdc k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1eddi s\u1ed1ng, t\u1ea1o n\u00ean c\u1ea3 m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng khoa h\u1ecdc k\u1ef9 thu\u1eadt sau khi n\u00f3 ra \u0111\u1eddi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen_ly_tao_ra_Laser\"><\/span><strong>Nguy\u00ean l\u00fd t\u1ea1o ra Laser<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nguy\u00ean l\u00fd c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t tia laser d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t x\u1ea1 c\u01b0\u1ee1ng b\u1ee9c. Khi chi\u1ebfu m\u1ed9t ch\u00f9m \u00e1nh s\u00e1ng v\u00e0o m\u1ed9t m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t s\u1ebd c\u00f3 3 hi\u1ec7n t\u01b0\u1ee3ng quang h\u1ecdc c\u01a1 b\u1ea3n x\u1ea3y ra : h\u1ea5p th\u1ee5, ph\u00e1t x\u1ea1 t\u1ef1 do v\u00e0 ph\u00e1t x\u1ea1 c\u01b0\u1ee1ng b\u1ee9c.<\/p>\n<p>Khi ta chi\u1ebfu v\u00e0o m\u00f4i tr\u01b0\u1eddng v\u1eadt ch\u1ea5t m\u1ed9t ch\u00f9m \u00e1nh s\u00e1ng \u0111\u01a1n s\u1eafc v\u1edbi n\u0103ng l\u01b0\u1ee3ng c\u1ee7a m\u1ed7i ph\u00f4t\u00f4n th\u00ec ch\u00f9m ph\u00f4t\u00f4n s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c quang \u0111i\u1ec7n t\u1eed v\u00e0 c\u01b0\u1ee1ng b\u1ee9c c\u00e1c quang \u0111i\u1ec7n t\u1eed n\u00e0y ph\u00e1t x\u1ea1 ph\u00f4t\u00f4n th\u1ee9 c\u1ea5p c\u00f3 c\u00f9ng n\u0103ng l\u01b0\u1ee3ng, h\u01b0\u1edbng truy\u1ec1n, \u0111\u1ed9 ph\u00e2n c\u1ef1c, pha&#8230; v\u1edbi ph\u00f4-t\u00f4n \u0111\u00e3 g\u00e2y ra c\u01b0\u1ee1ng b\u1ee9c.<\/p>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t x\u1ea1 c\u01b0\u1ee1ng b\u1ee9c mang t\u00ednh ch\u1ea5t khu\u1ebfch \u0111\u1ea1i theo ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n: 1 sinh 2, 2 sinh 4&#8230;Nh\u01b0 v\u1eady b\u1ee9c x\u1ea1 c\u01b0\u1ee1ng b\u1ee9c l\u00e0m t\u0103ng s\u1ed1 ph\u00f4t\u00f4n, t\u1ee9c l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng khu\u1ebfch \u0111\u1ea1i \u00e1nh s\u00e1ng qua m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>\u0110\u1ec3 m\u1ed9t m\u00e1y c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t tia x\u1ea1 Laser th\u00ec m\u00e1y \u0111\u00f3 ph\u1ea3i c\u00f3 3 b\u1ed9 ph\u1eadn ch\u00ednh: m\u00f4i tr\u01b0\u1eddng ho\u1ea1t ch\u1ea5t m\u00e0 \u1edf \u0111\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng ph\u00e1t x\u1ea1 c\u01b0\u1ee1ng b\u1ee9c ph\u1ea3i m\u1ea1nh h\u01a1n hi\u1ec7n t\u01b0\u1ee3ng h\u1ea5p th\u1ee5, ngu\u1ed3n k\u00edch th\u00edch nh\u1eb1m cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ho\u1ea1t ch\u1ea5t c\u1ee7a Laser, bu\u1ed3ng c\u1ed9ng h\u01b0\u1edfng c\u00f3 ch\u1ee9c n\u0103ng t\u0103ng c\u01b0\u1eddng s\u1ef1 khu\u1ebfch \u0111\u1ea1i \u00e1nh s\u00e1ng b\u1eb1ng c\u00e1ch l\u00e0m cho \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 nhi\u1ec1u l\u1ea7n qua ho\u1ea1t ch\u1ea5t.<\/p>\n<p>C\u00e1c tia Laser \u0111\u1ea7u ti\u00ean sinh ra trong m\u00f4i tr\u01b0\u1eddng ho\u1ea1t ch\u1ea5t ph\u1ea3n x\u1ea1 \u0111i l\u1ea1i trong m\u00f4i tr\u01b0\u1eddng, k\u00edch th\u00edch m\u00f4i tr\u01b0\u1eddng l\u00e0m ph\u00e1t ra c\u00e1c tia kh\u00e1c. C\u00e1c tia Laser \u0111i qua g\u01b0\u01a1ng ph\u1ea3n x\u1ea1 m\u1ed9t ph\u1ea7n \u0111i ra ngo\u00e0i t\u1ea1o th\u00e0nh l\u1ed1i ra c\u1ee7a ch\u00f9m Laser. Ch\u00f9m Laser c\u00f3 th\u1ec3 ph\u00e1t li\u00ean t\u1ee5c ho\u1eb7c ph\u00e1t th\u00e0nh xung.<\/p>\n<h1><img loading=\"lazy\" class=\"aligncenter size-full wp-image-10503\" src=\"https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/3.png\" alt=\"tia laser\" width=\"651\" height=\"278\" srcset=\"https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/3.png 651w, https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/3-300x128.png 300w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/h1>\n<h3><span class=\"ez-toc-section\" id=\"Cau_tao_co_ban_va_co_che_hoat_dong_cua_Laser\"><\/span><strong>C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n v\u00e0 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Laser<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Bu\u1ed3ng c\u1ed9ng h\u01b0\u1edfng (v\u00f9ng b\u1ecb k\u00edch th\u00edch);<\/li>\n<li>Ngu\u1ed3n nu\u00f4i (n\u0103ng l\u01b0\u1ee3ng b\u01a1m v\u00e0o v\u00f9ng b\u1ecb k\u00edch th\u00edch);<\/li>\n<li>G\u01b0\u01a1ng ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n;<\/li>\n<li>G\u01b0\u01a1ng b\u00e1n m\u1ea1;<\/li>\n<li>Tia laser<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Do_dinh_huong_cao_tia_Laser_phat_ra_hau_nhu_la_chum_song_song_do_do_kha_nang_chieu_xa_hang_nghin_km_ma_khong_bi_tan_xaDac_tinh_cua_tia_Laser\"><\/span>\u0110\u1ed9 \u0111\u1ecbnh h\u01b0\u1edbng cao: tia Laser ph\u00e1t ra h\u1ea7u nh\u01b0 l\u00e0 ch\u00f9m song song do \u0111\u00f3 kh\u1ea3 n\u0103ng chi\u1ebfu xa h\u00e0ng ngh\u00ecn km m\u00e0 kh\u00f4ng b\u1ecb t\u00e1n x\u1ea1.<strong>\u0110\u1eb7c t\u00ednh c\u1ee7a tia Laser<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00ednh \u0111\u01a1n s\u1eafc r\u1ea5t cao: ch\u00f9m s\u00e1ng ch\u1ec9 c\u00f3 m\u1ed9t m\u00e0u (hay m\u1ed9t b\u01b0\u1edbc s\u00f3ng) duy nh\u1ea5t. \u0110\u00e2y l\u00e0 t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t nh\u1ea5t m\u00e0 kh\u00f4ng ngu\u1ed3n s\u00e1ng n\u00e0o c\u00f3.<\/p>\n<p>T\u00ednh \u0111\u1ed3ng b\u1ed9 c\u1ee7a c\u00e1c ph\u00f4t\u00f4n trong ch\u00f9m tia Laser. C\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t xung c\u1ef1c ng\u1eafn: c\u1ee1 mili gi\u00e2y (ms), nano gi\u00e2y, pico gi\u00e2y, cho ph\u00e9p t\u1eadp trung n\u0103ng l\u01b0\u1ee3ng tia Laser c\u1ef1c l\u1edbn trong th\u1eddi gian c\u1ef1c ng\u1eafn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phan_loai_Laser\"><\/span><strong>Ph\u00e2n lo\u1ea1i Laser<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Laser ch\u1ea5t r\u1eafn: c\u00f3 kho\u1ea3ng 200 ch\u1ea5t r\u1eafn c\u00f3 kh\u1ea3 n\u0103ng d\u00f9ng l\u00e0m m\u00f4i tr\u01b0\u1eddng ho\u1ea1t ch\u1ea5t Laser. M\u1ed9t s\u1ed1 lo\u1ea1i Laser ch\u1ea5t r\u1eafn th\u00f4ng d\u1ee5ng: YAG-Neodym (Yttrium Aluminium Garnet, vi\u1ebft t\u1eaft l\u00e0 YAG c\u1ed9ng th\u00eam 2-5% Neodym), \u03bb = 1.060nm (ph\u1ed5 h\u1ed3ng ngo\u1ea1i g\u1ea7n), c\u00f3 th\u1ec3 ph\u00e1t li\u00ean t\u1ee5c t\u1edbi 100W ho\u1eb7c ph\u00e1t xung v\u1edbi t\u1ea7n s\u1ed1 1.000-10.000Hz; H\u1ed3ng ng\u1ecdc (Ruby), Aluminium c\u00f3 g\u1eafn nh\u1eefng ion chrom, \u03bb = 694,3nm (v\u00f9ng \u0111\u1ecf c\u1ee7a \u00e1nh s\u00e1ng tr\u1eafng); B\u00e1n d\u1eabn, th\u00f4ng d\u1ee5ng nh\u1ea5t l\u00e0 diot Gallium Arsen, \u03bb = 890nm (ph\u1ed5 h\u1ed3ng ngo\u1ea1i g\u1ea7n).<\/p>\n<p>Laser ch\u1ea5t kh\u00ed: He-Ne, Heli v\u00e0 Neon, \u03bb = 632,8nm, (\u00e1nh s\u00e1ng \u0111\u1ecf), c\u00f4ng su\u1ea5t th\u1ea5p t\u1eeb m\u1ed9t \u0111\u1ebfn v\u00e0i ch\u1ee5c mW; Argon, argon, \u03bb = 488 v\u00e0 514,5nm; CO2, \u03bb =10.600nm (ph\u1ed5 h\u1ed3ng ngo\u1ea1i xa), c\u00f4ng su\u1ea5t c\u00f3 th\u1ec3 t\u1edbi megawatt (MW).<\/p>\n<p>Laser ch\u1ea5t l\u1ecfng: m\u00f4i tr\u01b0\u1eddng ho\u1ea1t ch\u1ea5t l\u00e0 ch\u1ea5t l\u1ecfng, th\u00f4ng d\u1ee5ng nh\u1ea5t l\u00e0 Laser m\u00e0u. nh\u01b0 Laser s\u1eed d\u1ee5ng ch\u1ea5t nhu\u1ed9m. S\u1eed d\u1ee5ng c\u00e1c dung m\u00f4i nh\u01b0 metan, etan, th\u00eam v\u00e0o ch\u1ea5t nhu\u1ed9m h\u1eefu c\u01a1 chi\u1ebft xu\u1ea5t t\u1eeb th\u1ef1c v\u1eadt (coumarin, rhodamine v\u00e0 florescen). C\u1ea5u tr\u00fac c\u1ee7a ch\u1ea5t nhu\u1ed9m quy\u1ebft \u0111\u1ecbnh b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Laser.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vai_tro_va_ung_dung_cua_laser_trong_y_hoc\"><\/span><strong>Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a laser trong y h\u1ecdc <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1ef1 ra \u0111\u1eddi c\u1ee7a Laser t\u1ea1o ra m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng l\u1edbn v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n khoa h\u1ecdc c\u00f4ng ngh\u1ec7 n\u00f3i chung v\u00e0 trong l\u0129nh v\u1ef1c y t\u1ebf n\u00f3i ri\u00eang. Nghi\u00ean c\u1ee9u \u1ee9ng du\u0323ng tia Laser trong y ho\u0323c \u0111\u01b0\u01a1\u0323c ti\u00ea\u0301n ha\u0300nh kha\u0301 s\u01a1\u0301m (1962).<\/p>\n<p>Nh\u00ecn chung qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n \u1ee9ng du\u0323ng Laser trong y ho\u0323c la\u0300 m\u00f4\u0323t qua\u0301 tri\u0300nh li\u00ean t\u1ee5c v\u1edbi nh\u01b0\u0303ng \u0111i\u1ec3m ti\u1ebfn b\u1ed9 c\u00f3 t\u00ednh nh\u1ea3y v\u1ecdt. T\u1eeb ch\u00f4\u0303 du\u0300ng Laser nh\u01b0 m\u00f4\u0323t ph\u01b0\u01a1ng ti\u00ea\u0323n h\u00f4\u0303 tr\u01a1\u0323, b\u00f4\u0309 sung cho ca\u0301c ph\u01b0\u01a1ng pha\u0301p \u0111i\u00ea\u0300u tri\u0323 truy\u00ea\u0300n th\u1ed1ng, Laser \u0111a\u0303 th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ti\u00ea\u0323n \u0111\u00f4\u0323c l\u00e2\u0323p va\u0300 trong r\u00e2\u0301t nhi\u00ea\u0300u tr\u01b0\u01a1\u0300ng h\u01a1\u0323p \u0111a\u0303 \u0111em la\u0323i nh\u1eefng k\u00ea\u0301t qua\u0309 v\u00f4 c\u00f9ng to l\u1edbn.<\/p>\n<p>Th\u1ef1c t\u00ea\u0301 tr\u00ean th\u00ea\u0301 gi\u01a1\u0301i \u0111a\u0303 hi\u0300nh tha\u0300nh m\u00f4\u0323t nga\u0300nh y ho\u0323c m\u01a1\u0301i \u2013 ng\u00e0nh y h\u1ecdc Laser, v\u01a1\u0301i ch\u1ee9c n\u0103ng nghi\u00ean c\u1ee9u pha\u0301t tri\u00ea\u0309n va\u0300 \u1ee9ng du\u0323ng ky\u0303 thu\u00e2\u0323t Laser phu\u0323c vu\u0323 s\u1ee9c kho\u0309e con ng\u01b0\u1eddi. T\u1eeb n\u0103m 1974 \u0111a\u0303 co\u0301 t\u00f4\u0309 ch\u1ee9c \u201cH\u00f4\u0323i y ho\u0323c Laser th\u00ea\u0301 gi\u01a1\u0301i\u201d v\u01a1\u0301i 10.000 h\u00f4\u0323i vi\u00ean thu\u00f4\u0323c tr\u00ean 50 n\u01b0\u01a1\u0301c tham gia.<\/p>\n<p>Trong y ho\u0323c, Laser \u0111\u01b0\u01a1\u0323c nghi\u00ean c\u1ee9u theo hai h\u01b0\u01a1\u0301ng sau \u0111\u00e2y: s\u1eed du\u0323ng Laser nh\u01b0 m\u00f4\u0323t c\u00f4ng cu\u0323 \u0111\u00ea\u0309 nghi\u00ean c\u1ee9u \u0111\u00f4\u0301i t\u01b0\u01a1\u0323ng sinh ho\u0323c phu\u0323c v\u1ee5 cho vi\u00ea\u0323c ch\u00e2\u0309n \u0111oa\u0301n va\u0300 xe\u0301t nghi\u00ea\u0323m; s\u1eed du\u0323ng tia Laser trong y h\u1ecdc nh\u01b0 m\u00f4\u0323t c\u00f4ng cu\u0323 du\u0300ng \u0111\u00ea\u0309 \u0111i\u00ea\u0300u tri\u0323.<\/p>\n<p>\u1ee8ng d\u1ee5ng c\u1ee7a laser trong y h\u1ecdc c\u00f3 r\u1ea5t nhi\u1ec1u, v\u00ed d\u1ee5 nh\u01b0 trong ch\u1ea9n \u0111o\u00e1n, trong y h\u1ecdc c\u1ed5 truy\u1ec1n, trong ph\u1eabu thu\u1eadt, trong nh\u00e3n khoa, trong th\u1ea9m m\u1ef9, trong \u0111i\u1ec1u tr\u1ecb b\u1ec7nh ung th\u01b0, b\u1ec7nh r\u0103ng h\u00e0m m\u1eb7t, b\u1ec7nh tai m\u0169i h\u1ecdng, b\u1ec7nh da li\u1ec5u\u2026<\/p>\n<p>Khi chi\u1ebfu tia s\u00e1ng Laser v\u00e0o m\u1ed9t h\u1ec7 sinh v\u1eadt nh\u01b0 c\u01a1 th\u1ec3 con ng\u01b0\u1eddi, s\u1ebd c\u00f3 nh\u1eefng hi\u1ec7u \u1ee9ng sinh h\u1ecdc x\u1ea3y ra trong c\u01a1 th\u1ec3. Nh\u1eefng hi\u1ec7u \u1ee9ng sinh h\u1ecdc n\u00e0y l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 s\u1eed d\u1ee5ng Laser trong y h\u1ecdc ph\u1ee5c v\u1ee5 con ng\u01b0\u1eddi.<\/p>\n<p>Khi s\u1eed d\u1ee5ng Laser \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb th\u00ec y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 l\u00e0 li\u1ec1u chi\u1ebfu, bao g\u1ed3m c\u00e1c tham s\u1ed1: c\u00f4ng su\u1ea5t, \u0111\u1ed9 h\u1ed9i t\u1ee5 (m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t), th\u1eddi gian chi\u1ebfu, s\u1ed1 l\u1ea7n chi\u1ebfu, kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1ea7n chi\u1ebfu. B\u00ean c\u1ea1nh \u0111\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1ed5 ch\u1ee9c c\u01a1 th\u1ec3 n\u01a1i chi\u1ebfu c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean k\u1ebft qu\u1ea3 t\u1ed1t trong \u0111i\u1ec1u tr\u1ecb.<\/p>\n<div id=\"attachment_10505\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-10505\" loading=\"lazy\" class=\"wp-image-10505\" src=\"https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/4.png\" alt=\"M\u00e1y Dop Laser &amp; M\u00e1y ch\u1ee5p c\u1eaft l\u1edbp\" width=\"800\" height=\"314\" srcset=\"https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/4.png 688w, https:\/\/pacificcross.com.vn\/wp-content\/uploads\/2021\/06\/4-300x118.png 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-10505\" class=\"wp-caption-text\">M\u00e1y Dop Laser &amp; M\u00e1y ch\u1ee5p c\u1eaft l\u1edbp<\/p><\/div>\n<p>Laser \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong ch\u1ea9n \u0111o\u00e1n v\u00e0 \u0111i\u1ec1u tr\u1ecb c\u00f3 b\u01b0\u1edbc s\u00f3ng n\u1eb1m trong kho\u1ea3ng 193 nanomet \u2013 10,6 micromet, thu\u1ed9c v\u00f9ng t\u1eed ngo\u1ea1i, kh\u1ea3 ki\u1ebfn v\u00e0 h\u1ed3ng ngo\u1ea1i g\u1ea7n, c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c \u1edf ch\u1ebf \u0111\u1ed9 xung hay ch\u1ebf \u0111\u1ed9 li\u00ean t\u1ee5c.<\/p>\n<p>C\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb Laser \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ea9n \u0111o\u00e1n nh\u01b0: m\u00e1y Dop Laser th\u0103m d\u00f2, \u0111o d\u00f2ng m\u00e1u trong c\u01a1 th\u1ec3, m\u00e1y tia laser ch\u1ee5p c\u1eaft l\u1edbp, c\u00e1c m\u00e1y tia laser d\u00f2 t\u00ecm \u0111o \u0111\u1ea1c d\u1eabn \u0111\u01b0\u1eddng trong ch\u1ea9n \u0111o\u00e1n.<\/p>\n<p><strong><a href=\"https:\/\/pacificcross.com.vn\/vi\/\">Pacific Cross Vi\u1ec7t Nam<\/a><\/strong> chuy\u00ean cung c\u1ea5p c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o hi\u1ec3m s\u1ee9c kh\u1ecfe v\u00e0 b\u1ea3o hi\u1ec3m du l\u1ecbch. D\u1ecbch v\u1ee5 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 nhi\u1ec1u s\u1ef1 l\u1ef1a ch\u1ecdn, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng y\u00eau c\u1ea7u v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<p>Cho d\u00f9 l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o hi\u1ec3m cho c\u00e1 nh\u00e2n, gia \u0111\u00ecnh ho\u1eb7c doanh nghi\u1ec7p c\u1ee7a b\u1ea1n, ch\u00fang t\u00f4i s\u1ebd lu\u00f4n h\u1ed7 tr\u1ee3, t\u01b0 v\u1ea5n t\u1eadn t\u00e2m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m b\u1ea3o hi\u1ec3m t\u1ed1t nh\u1ea5t.<\/p>\n<p>N\u1ebfu b\u1ea1n ch\u01b0a ch\u1eafc ch\u1eafn v\u1ec1 ch\u01b0\u01a1ng tr\u00ecnh b\u1ea3o hi\u1ec3m n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh, h\u00e3y s\u1eed d\u1ee5ng <a href=\"https:\/\/pacificcross.com.vn\/vi\/health-insurance-select-app\">Ch\u01b0\u01a1ng tr\u00ecnh L\u1ef1a Ch\u1ecdn B\u1ea3o Hi\u1ec3m<\/a> c\u1ee7a ch\u00fang t\u00f4i ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed qua email: <a href=\"mailto:inquiry@pacificcross.com.vn\">inquiry@pacificcross.com.vn<\/a>.<\/p>\n<p>B\u1ea1n \u0111\u1ecdc c\u00f3 th\u1ec3 tham kh\u1ea3o v\u1ec1 vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a laser trong y h\u1ecdc ph\u1ea7n ti\u1ebfp theo d\u01b0\u1edbi \u0111\u00e2y :<\/p>\n<ul>\n<li><a href=\"https:\/\/pacificcross.com.vn\/vi\/vai-tro-cua-laser-trong-y-hoc-phan-2\/\">Vai tr\u00f2 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a laser trong y h\u1ecdc (ph\u1ea7n 2)<\/a><\/li>\n<\/ul>\n<hr \/>\n<p><em><strong>T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/strong><\/em><\/p>\n<ol>\n<li><em>https:\/\/www.researchgate.net\/publication\/231009441_Lasers_in_medicine<\/em><\/li>\n<li><em>Gi\u00e1o tr\u00ecnh V\u1eadt l\u00fd y sinh h\u1ecdc \u2013 B\u1ed9 m\u00f4n V\u1eadt l\u00fd y sinh, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y khoa Ph\u1ea1m Ng\u1ecdc Th\u1ea1ch.<\/em><\/li>\n<li><em>B\u00e0i gi\u1ea3ng \u201cLaser v\u00e0 \u1ee9ng d\u1ee5ng trong y h\u1ecdc\u201d \u2013 B\u1ed9 m\u00f4n L\u00fd sinh y h\u1ecdc, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y khoa Th\u00e1i Nguy\u00ean.<\/em><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>T\u00e1c gi\u1ea3: TS. BS. L\u00ea V\u0103n Nh\u00e2n, Gi\u00e1m \u0111\u1ed1c D\u1ecbch v\u1ee5 Y khoa C\u00f4ng ty Pacific Cross Vi\u1ec7t Nam, Gi\u1ea3ng vi\u00ean Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y khoa Ph\u1ea1m Ng\u1ecdc Th\u1ea1ch ThS. BS. Tr\u1ea7n V\u0129nh T\u00e0i, Gi\u1ea3ng vi\u00ean Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Y khoa Ph\u1ea1m Ng\u1ecdc Th\u1ea1ch \u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 laser &#8211; Tia laser l\u00e0 g\u00ec? S\u1ef1 ra [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13109,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[54],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/posts\/6716"}],"collection":[{"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/comments?post=6716"}],"version-history":[{"count":0,"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/posts\/6716\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/media\/13109"}],"wp:attachment":[{"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=6716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=6716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pacificcross.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=6716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}