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Classification ntawm kev kho mob ultrasound sojntsuam

Ultrasonic sojntsuam (ultrasonic sojntsuam) yog ib qho tseem ceeb ntawm qhov ntsuas ntsuas ultrasonic.Nws muaj peev xwm tsis tsuas yog hloov hluav taws xob teeb liab mus rau hauv lub teeb liab ultrasound, tab sis kuj hloov pauv cov teeb liab ultrasound rau hauv cov teeb liab hluav taws xob, uas yog, nws muaj ob txoj haujlwm ntawm kev xa mus rau ultrasound thiab txais tos.

Classification ntawm kev kho mob ultrasound sojntsuam

Cov qauv thiab hom kev sojntsuam ultrasound, nrog rau cov xwm txheej ntawm cov excitation pulse parameters, kev ua haujlwm thiab kev tsom xam, muaj kev sib raug zoo nrog cov duab ntawm lub nqaj ultrasound nws tawm, thiab tseem muaj kev sib raug zoo nrog kev ua haujlwm, kev ua haujlwm, thiab qhov zoo ntawm lub tshuab kuaj mob ultrasound.Cov khoom siv transducer muaj kev sib raug zoo me ntsis nrog cov duab ntawm lub nqaj ultrasound;Txawm li cas los xij, qhov ua tau zoo ntawm piezoelectric, lub suab siab, lub suab siv zog thiab cov duab zoo ntawm nws cov emission thiab txais tos muaj feem cuam tshuam ntau dua.

Pulse echo sojntsuam:

Ib qho kev sojntsuam: Nws feem ntau xaiv piezoelectric ceramics hauv av rau hauv ib lub tiaj tiaj tiaj raws li cov transducer.Ultrasound tsom feem ntau yog siv ob txoj hauv kev: nyias lub plhaub kheej kheej lossis lub tais zoo li tus transducer nquag tsom thiab tiaj tus nyias disc suab-dating lens tsom.Feem ntau siv nyob rau hauv A-hom, M-hom, mechanical kiv cua scan thiab mem tes Doppler ultrasonic diagnostic khoom.

Mechanical sojntsuam: Tus naj npawb ntawm cov khoom siv hluav taws xob thiab lub zog txav tuaj yeem muab faib ua ob hom: unit transducer reciprocating viav vias scanning thiab ntau lub ntsiab lus transducer rotating switching scanning sojntsuam.Raws li cov yam ntxwv ntawm qhov sib txawv ntawm lub dav hlau scan, nws tuaj yeem muab faib ua sector scan, panoramic radial scan thiab rectangular dav hlau linear scan sojntsuam.

Kev sojntsuam hluav taws xob: Nws siv cov qauv ntau yam thiab siv lub hauv paus ntsiab lus ntawm cov khoom siv hluav taws xob los ua lub suab beam scanning.Raws li cov qauv thiab cov hauv paus ntsiab lus ua haujlwm, nws tuaj yeem muab faib ua linear array, convex array thiab phased array probe.

Intraoperative sojntsuam: Nws yog siv los tso saib cov qauv sab hauv thiab txoj haujlwm ntawm cov cuab yeej phais mob thaum lub sijhawm ua haujlwm.Nws yog ib tug high-frequency sojntsuam nrog ib tug zaus ntawm txog 7MHz.Nws muaj cov yam ntxwv ntawm qhov me me thiab kev daws teeb meem siab.Nws muaj peb hom: mechanical scanning type, convex array type and wire control type.

Puncture sojntsuam: Nws dhau los ntawm qhov sib thooj ntawm lub cev kab noj hniav, zam lub ntsws gas, gastrointestinal gastrointestinal gastrointestinal thiab pob txha cov ntaub so ntswg kom tau ze rau cov ntaub so ntswg sib sib zog nqus mus kuaj, txhim kho kev kuaj pom thiab kev daws teeb meem.Tam sim no muaj kev sojntsuam transrectal,

Transurethral sojntsuam, transvaginal sojntsuam, transesophageal sojntsuam, gastroscopic sojntsuam thiab laparoscopic sojntsuam.Cov kev sojntsuam no yog txhua yam, hlau tswj lossis convex array hom;muaj cov kiv cua sib txawv;ib hom dav hlau thiab ntau hom dav hlau.Qhov zaus yog qhov siab, feem ntau nyob ib ncig ntawm 6MHz.Nyob rau hauv xyoo tas los no, transvascular probes nrog ib txoj kab uas hla tsawg dua 2 hli thiab zaus tshaj 30MHz kuj tau tsim.

Intracavitary sojntsuam: Nws dhau los ntawm qhov sib thooj ntawm lub cev kab noj hniav, zam lub ntsws gas, gastrointestinal gastrointestinal thiab pob txha cov ntaub so ntswg kom tau ze rau cov ntaub so ntswg sib sib zog nqus mus kuaj, txhim kho kev kuaj pom thiab kev daws teeb meem.Tam sim no, muaj kev sojntsuam transrectal, transurethral probes, transvaginal probes, transesophageal probes, gastroscopic probes thiab laparoscopic probes.Cov kev sojntsuam no yog txhua yam, hlau tswj lossis convex array hom;muaj cov kiv cua sib txawv;ib hom dav hlau thiab ntau hom dav hlau.Qhov zaus yog qhov siab, feem ntau nyob ib ncig ntawm 6MHz.Nyob rau hauv xyoo tas los no, transvascular probes nrog ib txoj kab uas hla tsawg dua 2 hli thiab zaus tshaj 30MHz kuj tau tsim.

 Classification ntawm kev kho mob ultrasound sojntsuam

Doppler sojntsuam

Nws tsuas yog siv cov nyhuv Doppler los ntsuas cov ntshav tsis txaus, nrog rau kev kuaj mob ntawm cov kab mob plawv, thiab tseem tuaj yeem siv rau kev saib xyuas fetal.Feem ntau muab faib ua peb hom hauv qab no:

1. Nruam yoj Doppler sojntsuam: Feem ntau ntawm cov transmitter thiab receiver chips yog sib cais.Txhawm rau ua kom tsis tu ncua yoj Doppler sojntsuam muaj qhov rhiab heev, feem ntau tsis muaj qhov nqus nqus ntxiv.Raws li kev siv sib txawv, txoj hauv kev ntawm kev sib cais ntawm cov nti xa tawm thiab cov khoom tau txais nti ntawm qhov nruam yoj Doppler sojntsuam kuj txawv.

2. Pulse yoj Doppler sojntsuam: Cov qauv feem ntau yog tib yam li cov mem tes echo sojntsuam, siv ib leeg-siab wafer, nrog rau cov txheej txheem sib txuam thiab kev nqus nqus.

3. Plum-puab sojntsuam: Nws cov qauv yog nyob nruab nrab ntawm tsuas yog ib qho xaim nti, thiab rau qhov tau txais chips nyob ib ncig ntawm nws, teem rau hauv lub paj paj zoo li, siv los xyuas tus me nyuam hauv plab thiab tau txais lub plawv dhia.


Post lub sij hawm: Nov-16-2021