Nkewa nke ọgwụ ultrasound nyocha

Ultrasonic probe (ultrasonic probe) bụ akụkụ dị mkpa dị mkpa nke ngwa nyocha ultrasonic.Ọ bụghị naanị na ọ nwere ike ịgbanwe akara eletrik ka ọ bụrụ akara ngosi ultrasound, kamakwa ọ na-agbanwe akara ngosi ultrasound ka ọ bụrụ akara eletrik, ya bụ, ọ nwere ọrụ abụọ nke nnyefe ultrasound na nnabata.

Nkewa nke ọgwụ ultrasound nyocha

Ọdịdị na ụdị nke ultrasound nyocha, yana ọnọdụ nke mpụga excitation usu parameters, na-arụ ọrụ na-elekwasị anya mode, nwere nnukwu mmekọrịta na udi nke ultrasound doo ya emits, na nwekwara nnukwu mmekọrịta na arụmọrụ, arụ ọrụ, na ịdị mma nke ngwa nyocha nke ultrasound.Ihe mmewere transducer nwere obere mmekọrịta na ọdịdị nke eriri ultrasound;Otú ọ dị, arụmọrụ piezoelectric, nrụgide ụda, ụda ike na àgwà foto nke mgbapụta ya na nnabata ya nwere njikọ.

Nchọgharị nke Pulse echo:

Otu nyocha: Ọ na-ahọrọkarị ceramics piezoelectric ala n'ime diski dị larịị dị larịị ka onye ntụgharị.Ultrasound ilekwasị anya na-emekarị adopts abụọ ụzọ: mkpa shei okirikiri ma ọ bụ nnukwu efere ekara transducer arụ ọrụ na-elekwasị anya na ewepụghị mkpa diski ụda- mkpakọrịta nwoke na nwaanyị oghere ilekwasị anya.A na-ejikarị ya na ụdị A, ụdị M, nyocha igwe fan na pulse Doppler ultrasonic diagnostic equipment.

Mechanical nyocha: Enwere ike kewaa ọnụọgụ nke ibe ọkụ eletrik na ọnọdụ mmegharị ahụ ụzọ abụọ: nyocha nke transducer reciprocating swing scanning na multi-element transducer rotating switching scanning probe.Dabere na njirimara nke ụgbọ elu dị iche iche nyocha, enwere ike kewaa ya n'ime nyocha ngalaba, nyocha radial panoramic na nyocha ụgbọ elu linear.

Nyocha eletrọnịkị: Ọ na-anabata usoro ihe dị iche iche ma na-eji ụkpụrụ eletrọnịkị rụọ nyocha ụda beam.Dị ka nhazi na ụkpụrụ ọrụ si dị, enwere ike kewaa ya n'usoro ahịrị ahịrị, nhazi convex na nyocha nhazi usoro.

Nyocha intraoperative: A na-eji ya egosipụta nhazi nke ime na ọnọdụ nke ngwa ịwa ahụ n'oge ọrụ.Ọ bụ nyocha ugboro ugboro nke nwere ihe dịka 7MHz.Ọ nwere njirimara nke obere nha na mkpebi dị elu.Ọ nwere ụdị atọ: ụdị nyocha igwe, convex array type na ụdị njikwa waya.

Nyocha nyocha: Ọ na-agafe oghere ahụ kwekọrọ na ya, na-ezere gas nku ume, gas gas na ọkpụkpụ ọkpụkpụ iji bịaruo nso anụ ahụ dị omimi ka a nyochaa ya, na-eme ka nchọpụta ahụ dịkwuo mma na mkpebi.Ugbu a enwere nyocha transrectal,

Nchọpụta transurethral, ​​nyocha transvaginal, nyocha transesophageal, nyocha gastroscopic na nyocha laparoscopic.Nchọpụta ndị a bụ igwe, waya na-achịkwa ma ọ bụ convex array ụdị;nwere akụkụ dị iche iche nke fan;ụdị otu ụgbọ elu na ọtụtụ ụgbọ elu.Ugboro ugboro dị oke elu, n'ozuzu gburugburu 6MHz.N'afọ ndị na-adịbeghị anya, a na-emepụtakwa ihe nyocha transvascular nke nwere dayameta na-erughị 2mm na ugboro karịa 30MHz.

Nyocha intracavitary: Ọ na-agafe oghere ahụ kwekọrọ na ya, na-ezere gas nku ume, gas gas na ọkpụkpụ ọkpụkpụ iji bịaruo nso anụ ahụ miri emi ka a nyochaa ya, na-eme ka nchọpụta na mkpebi siri ike.Ka ọ dị ugbu a, e nwere ihe nyocha nke transrectal, nyocha nke transurethral, ​​nyocha nke transvaginal, transesophageal probes, gastroscopic probes na laparoscopic probes.Nchọpụta ndị a bụ igwe, waya na-achịkwa ma ọ bụ convex array ụdị;nwere akụkụ dị iche iche nke fan;ụdị otu ụgbọ elu na ọtụtụ ụgbọ elu.Ugboro ugboro dị oke elu, n'ozuzu gburugburu 6MHz.N'afọ ndị na-adịbeghị anya, a na-emepụtakwa ihe nyocha transvascular nke nwere dayameta na-erughị 2mm na ugboro karịa 30MHz.

Doppler nyocha

Ọ na-ejikarị mmetụta Doppler tụọ paramita ọbara na-erugharị, yana nyocha nke ọrịa obi, a pụkwara iji ya mee ihe maka nlekota nwa ebu n'afọ.Ekewara nke ọma na ụdị atọ ndị a:

1. Nyocha Doppler na-aga n'ihu: Ọtụtụ n'ime ndị na-ebufe na ibe nnata na-ekewa.Iji mee ka nyocha Doppler na-aga n'ihu na-enwe mmetụta dị elu, n'ozuzu ọ dịghị ihe mgbochi absorption adịghị agbakwunyere.Dị ka ojiji dị iche iche si dị, ụzọ nkewapụ mgbawa na-ebufe na mgbawa na-anata nke ihe nyocha Doppler na-aga n'ihu dịkwa iche.

2. Pulse wave Doppler nyocha: Ọdịdị bụ n'ozuzu otu ihe ahụ pulse echo nyocha, na-eji otu-nrụgide wafer, na a dabara oyi akwa na absorption ngọngọ.

3. Nchọpụta nke yiri Plum: Ọdịdị ya gbadoro ụkwụ na naanị otu mgbawa na-ebufe, yana ibe isii na-anata gburugburu ya, nke edobere n'ụdị ifuru plum, nke a na-eji lelee nwa ebu n'afọ wee nweta ọnụọgụ obi nwa ebu n'afọ.