{"id":47860,"date":"2023-04-21T23:52:29","date_gmt":"2023-04-22T04:52:29","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-make-homemade-ultrasound-machine\/"},"modified":"2025-01-21T07:19:50","modified_gmt":"2025-01-21T12:19:50","slug":"how-to-make-homemade-ultrasound-machine","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-make-homemade-ultrasound-machine\/","title":{"rendered":"T\u1ef1 ch\u1ebf m\u00e1y si\u00eau \u00e2m t\u1ea1i nh\u00e0: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"<p>Vi\u1ec7c ch\u1ebf t\u1ea1o m\u00e1y si\u00eau \u00e2m t\u1ea1i nh\u00e0 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 \u0111i\u1ec7n t\u1eed, x\u1eed l\u00fd t\u00edn hi\u1ec7u, v\u00e0 v\u1eadt l\u00fd \u00e2m h\u1ecdc. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 nh\u1eefng th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng kh\u00f4ng khuy\u1ebfn kh\u00edch vi\u1ec7c t\u1ef1 ch\u1ebf t\u1ea1o, \u0111\u1eb7c bi\u1ec7t l\u00e0 cho m\u1ee5c \u0111\u00edch y t\u1ebf. M\u00e1y si\u00eau \u00e2m t\u1ef1 ch\u1ebf t\u1ea1o r\u1ea5t kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 an to\u00e0n c\u1ea7n thi\u1ebft cho vi\u1ec7c ch\u1ea9n \u0111o\u00e1n y khoa.<\/p>\n<h3>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a M\u00e1y Si\u00eau \u00c2m<\/h3>\n<p>M\u00e1y si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd s\u00f3ng \u00e2m t\u1ea7n s\u1ed1 cao. \u0110\u1ea7u d\u00f2 ph\u00e1t ra s\u00f3ng si\u00eau \u00e2m, s\u00f3ng n\u00e0y truy\u1ec1n v\u00e0o c\u01a1 th\u1ec3 v\u00e0 ph\u1ea3n x\u1ea1 l\u1ea1i t\u1eeb c\u00e1c m\u00f4 kh\u00e1c nhau. M\u00e1y si\u00eau \u00e2m sau \u0111\u00f3 thu nh\u1eadn c\u00e1c t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 n\u00e0y v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh h\u00ecnh \u1ea3nh.  Th\u1eddi gian v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 cho bi\u1ebft v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1c m\u00f4.<\/p>\n<h3>C\u00e1c Th\u00e0nh Ph\u1ea7n Ch\u00ednh<\/h3>\n<p>\u0110\u1ec3 ch\u1ebf t\u1ea1o m\u1ed9t m\u00e1y si\u00eau \u00e2m c\u01a1 b\u1ea3n, c\u1ea7n c\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/p>\n<ul>\n<li><strong>\u0110\u1ea7u d\u00f2 si\u00eau \u00e2m (Transducer):<\/strong>  \u0110\u00e2y l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t, ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e1t v\u00e0 thu s\u00f3ng si\u00eau \u00e2m.  T\u1ea7n s\u1ed1 c\u1ee7a \u0111\u1ea7u d\u00f2 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 \u0111\u1ed9 s\u00e2u xuy\u00ean th\u1ea5u.<\/li>\n<li><strong>B\u1ed9 t\u1ea1o xung (Pulser):<\/strong>  B\u1ed9 ph\u1eadn n\u00e0y t\u1ea1o ra c\u00e1c xung \u0111i\u1ec7n \u0111\u1ec3 k\u00edch ho\u1ea1t \u0111\u1ea7u d\u00f2 ph\u00e1t s\u00f3ng si\u00eau \u00e2m.<\/li>\n<li><strong>B\u1ed9 thu (Receiver):<\/strong>  B\u1ed9 thu nh\u1eadn c\u00e1c t\u00edn hi\u1ec7u ph\u1ea3n x\u1ea1 t\u1eeb \u0111\u1ea7u d\u00f2 v\u00e0 khu\u1ebfch \u0111\u1ea1i ch\u00fang.<\/li>\n<li><strong>B\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u (Signal Processor):<\/strong> B\u1ed9 ph\u1eadn n\u00e0y x\u1eed l\u00fd c\u00e1c t\u00edn hi\u1ec7u thu \u0111\u01b0\u1ee3c \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh.<\/li>\n<li><strong>M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb (Display):<\/strong>  Hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh si\u00eau \u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/li>\n<li><strong>Ngu\u1ed3n \u0111i\u1ec7n (Power Supply):<\/strong>  Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<h3>Kh\u00f3 Kh\u0103n trong Vi\u1ec7c Ch\u1ebf T\u1ea1o<\/h3>\n<p>Vi\u1ec7c ch\u1ebf t\u1ea1o m\u00e1y si\u00eau \u00e2m t\u1ea1i nh\u00e0 g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n, bao g\u1ed3m:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Kh\u00f3 kh\u0103n<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thi\u1ebft k\u1ebf \u0111\u1ea7u d\u00f2<\/td>\n<td>\u0110\u1ea7u d\u00f2 y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t.<\/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 x\u1ea1 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u00f2i h\u1ecfi thu\u1eadt to\u00e1n tinh vi.<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u chu\u1ea9n<\/td>\n<td>Vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t kh\u00f3 kh\u0103n.<\/td>\n<\/tr>\n<tr>\n<td>An to\u00e0n<\/td>\n<td>M\u00e1y si\u00eau \u00e2m t\u1ef1 ch\u1ebf t\u1ea1o c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>L\u1ef1a Ch\u1ecdn Thay Th\u1ebf<\/h3>\n<p>Thay v\u00ec t\u1ef1 ch\u1ebf t\u1ea1o, vi\u1ec7c mua m\u1ed9t m\u00e1y si\u00eau \u00e2m \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh v\u00e0 ch\u1ee9ng nh\u1eadn l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.  N\u1ebfu c\u1ea7n t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb si\u00eau \u00e2m c\u00f4ng nghi\u1ec7p, c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Beijing Ultrasonic n\u1ebfu c\u1ea7n thi\u1ebft cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c ch\u1ebf t\u1ea1o m\u00e1y si\u00eau \u00e2m t\u1ea1i nh\u00e0 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch cho m\u1ee5c \u0111\u00edch y t\u1ebf.  B\u00e0i vi\u1ebft n\u00e0y ch\u1ec9 mang t\u00ednh ch\u1ea5t cung c\u1ea5p th\u00f4ng tin v\u00e0 kh\u00f4ng thay th\u1ebf cho l\u1eddi khuy\u00ean c\u1ee7a chuy\u00ean gia.  S\u1ef1 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c ch\u1ea9n \u0111o\u00e1n y t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh v\u00e0 v\u1eadn h\u00e0nh b\u1edfi c\u00e1c chuy\u00ean gia \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o b\u00e0i b\u1ea3n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c ch\u1ebf t\u1ea1o m\u00e1y si\u00eau \u00e2m t\u1ea1i nh\u00e0 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 \u0111i\u1ec7n t\u1eed, x\u1eed l\u00fd t\u00edn hi\u1ec7u, v\u00e0 v\u1eadt l\u00fd \u00e2m h\u1ecdc. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 nh\u1eefng th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n v\u00e0 nguy\u00ean l\u00fd<\/p>\n","protected":false},"author":1,"featured_media":26476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-47860","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\/47860","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=47860"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/47860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26476"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=47860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=47860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=47860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}