Anyị niile maara na ngwaọrụ nchọpụta ultrasonic na-emepụta ebili mmiri ultrasonic merenụ (na-ebufe ebili mmiri) ma na-enweta ebili mmiri ultrasonic na-egosipụta (echo ebili mmiri) site na nyocha.Ọ bụ akụkụ dị mkpa nke ngwá ọrụ nyocha, dị ka anya nke igwe B-ultrasound, na-ejikọta ya na ahụ mmadụ na akụrụngwa.ọkara.
Ọrụ nke nyocha nke ultrasound bụ ịgbanwe akara eletrik n'ime akara ultrasonic ma ọ bụ ọzọ.Ihe nyocha ahụ nwere ike ibunye ma nata ultrasound, ma mee mgbanwe electro-acoustic na mgbama.Ọ nwere ike ịmegharị mgbaama eletriki nke onye ọbịa zitere ka ọ bụrụ akara ngosi ultrasonic na-emegharị emegharị ugboro ugboro, ma nwee ike ịgbanwe akara ultrasonic nke gosipụtara azụ site na anụ ahụ na akụkụ ahụ ka ọ bụrụ akara eletriki.na nlekota nke kọmputa nnabata.A na-eme nyocha ultrasonic site na iji ụkpụrụ ọrụ a.N'okwu n'ozuzu, ọ na-agbanwe akara ọkụ eletrik nke ultrasound na-ewepụta ka ọ bụrụ ebili mmiri dị elu ma na-ebufe ya site na ahụ mmadụ, wee gbanwee mgbama a na-egosipụta na ọkụ eletrik wee gosipụta ya na ihuenyo ụlọ ọrụ, dị ka whale.Ugboro ultrasonic na-apụta n'oké osimiri dị ka ụsụ na-ekpebi ịdị anya ihe site na ngosipụta nke ebili mmiri n'abalị.
Wafer dị n'ime nyocha ahụ nwere ike ịmepụta nrụrụ na-agbanwe agbanwe n'okpuru steeti ike, si otú ahụ na-emepụta ụda ụda ultrasonic;N'ụzọ megidere nke ahụ, mgbe ultrasonic ụda ebili mmiri na-agafe na wafer, ọ nwekwara ike ime ka nrụrụ na-agbanwe agbanwe, nke na-eme ka mgbanwe voltaji na-agbanwe, na n'ikpeazụ na-agafe na bọọdụ nhazi mgbaàmà na-eme mgbanwe mgbanwe ọkụ eletrik kwekọrọ na ya iji mezue nchọpụta ihe oyiyi nke ihe ahụ achọpụtara. .A na-akpọ usoro nhazi a mmetụta piezoelectric (mmetụta piezoelectric dị mma na nke na-agbanwe agbanwe).
Ngwa nke nyocha ultrasound nkịtị na ngalaba dị iche iche:
Ngwa nke convex array probe (3.5MHz) na obstetrics na gynecology na hepatobiliary, pancreas, splin na akụrụ.
Usoro nyocha ahịrị (3.5MHz) maka ngwa nke arịa ọbara na obere akụkụ ahụ
Oge nzipu: Feb-23-2022