{"id":51356,"date":"2023-04-21T13:54:54","date_gmt":"2023-04-21T18:54:54","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-ultrasound-probe\/"},"modified":"2025-01-21T07:10:29","modified_gmt":"2025-01-21T12:10:29","slug":"diy-ultrasound-probe","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/diy-ultrasound-probe\/","title":{"rendered":"T\u1ef1 ch\u1ebf \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m: L\u1ee3i \u00edch v\u00e0 r\u1ee7i ro"},"content":{"rendered":"<p>Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m (DIY ultrasound probe) l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 thu h\u00fat s\u1ef1 quan t\u00e2m c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi, t\u1eeb c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nghi\u1ec7p d\u01b0 \u0111\u1ebfn nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea c\u00f4ng ngh\u1ec7. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 v\u1eadt l\u00fd, \u0111i\u1ec7n t\u1eed v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c kh\u00eda c\u1ea1nh k\u1ef9 thu\u1eadt c\u1ee7a vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, \u0111\u1ed3ng th\u1eddi ph\u00e2n t\u00edch nh\u1eefng th\u00e1ch th\u1ee9c v\u00e0 h\u1ea1n ch\u1ebf li\u00ean quan.<\/p>\n<h3>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng C\u1ee7a \u0110\u1ea7u D\u00f2 Si\u00eau \u00c2m<\/h3>\n<p>\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n, t\u1ee9c l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u (nh\u01b0 g\u1ed1m \u00e1p \u0111i\u1ec7n) t\u1ea1o ra \u0111i\u1ec7n \u00e1p khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p th\u00e0nh dao \u0111\u1ed9ng c\u01a1 h\u1ecdc.  Khi \u00e1p m\u1ed9t \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u v\u00e0o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd dao \u0111\u1ed9ng v\u00e0 t\u1ea1o ra s\u00f3ng si\u00eau \u00e2m.  Khi s\u00f3ng si\u00eau \u00e2m ph\u1ea3n x\u1ea1 t\u1eeb m\u1ed9t b\u1ec1 m\u1eb7t, \u0111\u1ea7u d\u00f2 s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 t\u1ea1o ra h\u00ecnh \u1ea3nh.<\/p>\n<h3>C\u00e1c Th\u00e0nh Ph\u1ea7n C\u1ea7n Thi\u1ebft<\/h3>\n<p>\u0110\u1ec3 t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, b\u1ea1n c\u1ea7n c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/p>\n<ul>\n<li><strong>V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n:<\/strong> \u0110\u00e2y l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a \u0111\u1ea7u d\u00f2.  Lo\u1ea1i v\u1eadt li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 g\u1ed1m PZT.<\/li>\n<li><strong>B\u1ed9 v\u1ecf:<\/strong> B\u1ea3o v\u1ec7 v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n v\u00e0 gi\u00fap t\u1eadp trung s\u00f3ng si\u00eau \u00e2m.<\/li>\n<li><strong>D\u00e2y d\u1eabn:<\/strong> K\u1ebft n\u1ed1i v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n v\u1edbi m\u1ea1ch \u0111i\u1ec7n.<\/li>\n<li><strong>M\u1ea1ch \u0111i\u1ec7n:<\/strong>  T\u1ea1o t\u00edn hi\u1ec7u \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u \u0111\u1ec3 k\u00edch ho\u1ea1t v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i.<\/li>\n<li><strong>Ch\u1ea5t gh\u00e9p n\u1ed1i:<\/strong>  Gi\u00fap truy\u1ec1n s\u00f3ng si\u00eau \u00e2m hi\u1ec7u qu\u1ea3 t\u1eeb \u0111\u1ea7u d\u00f2 v\u00e0o m\u00f4i tr\u01b0\u1eddng c\u1ea7n kh\u1ea3o s\u00e1t.<\/li>\n<\/ul>\n<h3>Th\u00e1ch Th\u1ee9c Trong Vi\u1ec7c T\u1ef1 Ch\u1ebf T\u1ea1o<\/h3>\n<p>Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m g\u1eb7p ph\u1ea3i nhi\u1ec1u th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00e1ch th\u1ee9c<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n<\/td>\n<td>Vi\u1ec7c ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb v\u00e0 k\u1ef9 thu\u1eadt chuy\u00ean m\u00f4n.<\/td>\n<\/tr>\n<tr>\n<td>Thi\u1ebft k\u1ebf m\u1ea1ch \u0111i\u1ec7n<\/td>\n<td>M\u1ea1ch \u0111i\u1ec7n c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c \u0111\u1ec3 t\u1ea1o ra t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 s\u00f3ng si\u00eau \u00e2m ph\u00f9 h\u1ee3p.<\/td>\n<\/tr>\n<tr>\n<td>X\u1eed l\u00fd t\u00edn hi\u1ec7u<\/td>\n<td>X\u1eed l\u00fd t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p.<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u chu\u1ea9n<\/td>\n<td>Vi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u1ea7u d\u00f2 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00e0 kh\u00f3 kh\u0103n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u1ee8ng D\u1ee5ng C\u1ee7a \u0110\u1ea7u D\u00f2 Si\u00eau \u00c2m T\u1ef1 Ch\u1ebf<\/h3>\n<p>M\u1eb7c d\u00f9 g\u1eb7p nhi\u1ec1u th\u00e1ch th\u1ee9c, \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m t\u1ef1 ch\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c nh\u01b0:<\/p>\n<ul>\n<li><strong>Gi\u00e1o d\u1ee5c v\u00e0 nghi\u00ean c\u1ee9u:<\/strong>  H\u1ecdc sinh, sinh vi\u00ean c\u00f3 th\u1ec3 t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a si\u00eau \u00e2m.<\/li>\n<li><strong>Ki\u1ec3m tra v\u1eadt li\u1ec7u:<\/strong> Ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt trong v\u1eadt li\u1ec7u.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng y t\u1ebf (c\u1ea5p \u0111\u1ed9 c\u01a1 b\u1ea3n):<\/strong>  M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n nh\u01b0 \u0111o kho\u1ea3ng c\u00e1ch. Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 t\u1ef1 ch\u1ebf trong y t\u1ebf c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 m\u1eb7t an to\u00e0n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<p>T\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m l\u00e0 m\u1ed9t d\u1ef1 \u00e1n \u0111\u1ea7y th\u00e1ch th\u1ee9c nh\u01b0ng c\u0169ng r\u1ea5t b\u1ed5 \u00edch cho vi\u1ec7c h\u1ecdc t\u1eadp v\u00e0 nghi\u00ean c\u1ee9u.  Tuy nhi\u00ean, c\u1ea7n nh\u1eadn th\u1ee9c r\u00f5 nh\u1eefng kh\u00f3 kh\u0103n k\u1ef9 thu\u1eadt li\u00ean quan v\u00e0 c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u.  \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong l\u0129nh v\u1ef1c y t\u1ebf, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean nghi\u1ec7p \u0111\u01b0\u1ee3c khuy\u00ean d\u00f9ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m (DIY ultrasound probe) l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 thu h\u00fat s\u1ef1 quan t\u00e2m c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi, t\u1eeb c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nghi\u1ec7p d\u01b0 \u0111\u1ebfn nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea c\u00f4ng ngh\u1ec7. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c ph\u1ee9c t\u1ea1p \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 v\u1eadt l\u00fd,<\/p>\n","protected":false},"author":1,"featured_media":42275,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=51356"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51356\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/42275"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}