Nyob rau hauv kev kho mob daim duab, X-ray raj thiab CT scanners yog ob lub thev naus laus zis tseem ceeb uas tau hloov pauv txoj kev kuaj mob. Txawm hais tias ob qho tib si siv X-rays los saib cov qauv sab hauv ntawm tib neeg lub cev, lawv ua haujlwm sib txawv thiab muaj kev siv sib txawv. Kev nkag siab txog qhov sib txawv ntawm X-ray raj thiab CT scanners yog qhov tseem ceeb rau cov neeg ua haujlwm kho mob thiab cov neeg mob vim tias nws cuam tshuam rau lawv cov kev xaiv ntawm cov cuab yeej tsim nyog rau lawv cov kev xav tau kho mob.
X-Ray tubes: Cov hauv paus
An X-ray tubyog ib lub cuab yeej uas tsim X-rays los ntawm kev ua kom cov hluav taws xob nrawm thiab coj lawv mus rau cov khoom siv, feem ntau yog ua los ntawm tungsten. Thaum cov hluav taws xob hluav taws xob muaj zog sib tsoo nrog lub hom phiaj, lawv tsim cov X-rays uas tuaj yeem nkag mus rau hauv lub cev thiab tsim cov duab ntawm cov yeeb yaj kiab lossis cov cuab yeej digital. Kev kuaj X-ray ib txwm siv feem ntau yog siv los tshuaj xyuas cov pob txha, kuaj xyuas cov pob txha, thiab kuaj mob xws li mob ntsws lossis mob hauv siab.
Lub ntsiab zoo ntawm X-ray raj yog lawv ceev thiab efficiency. Kev kuaj X-ray tus qauv siv sijhawm li ob peb feeb kom tiav, ua rau nws zoo tagnrho rau cov xwm txheej kub ntxhov. Tsis tas li ntawd, cov tshuab xoo hluav taws xob feem ntau tau yooj yim dua thiab tsis tshua kim dua li CT scanners, ua rau lawv muaj cov cuab yeej siv hauv pem hauv ntej hauv ntau qhov chaw kho mob.
CT scanners: ib kauj ruam ntxiv
Kev suav tomography (CT) scanners, ntawm qhov tod tes, tau coj cov thev naus laus zis mus rau qib tshiab. CT scanners siv lub raj X-ray tig los ntes ntau cov duab los ntawm ntau lub kaum sab xis ntawm lub cev. Cov duab no yog tom qab ua tiav los ntawm lub khoos phis tawj los tsim cov ntu ntu ntawm lub cev, muab cov ncauj lus kom ntxaws ntxiv ntawm cov qauv sab hauv dua li cov duab X-ray.
Qhov kev nthuav dav ntxiv los ntawm CT scans yog qhov tshwj xeeb rau kev kuaj mob nyuaj, xws li kev raug mob sab hauv, mob qog noj ntshav, thiab kab mob cuam tshuam rau cov nqaij mos. CT scans tuaj yeem nthuav tawm cov ntaub ntawv hais txog lub cev, cov hlab ntsha, thiab cov qog nqaij hlav uas yuav tsis pom ntawm tus qauv X-rays. Txawm li cas los xij, qhov kev nthuav dav no nce ntxiv los ntawm tus nqi; CT scans feem ntau cuam tshuam cov hluav taws xob ntau dua li cov duab X-ray ib txwm muaj.
Qhov sib txawv loj hauv kev yees duab
Duab zoo thiab nthuav dav: Ib qho ntawm qhov sib txawv tseem ceeb tshaj plaws ntawm X-ray raj thiab CT scanners yog qib ntawm kev nthuav dav hauv cov duab lawv tsim. X-rays muab ob-dimensional saib, thaum CT scans muab peb-dimensional dluab uas yuav tsum reconstructed rau hauv txawv dav hlau, tso cai rau ib tug ntau dua kev ntsuam xyuas ntawm lub hom phiaj cheeb tsam.
Kev raug hluav taws xob: Raws li tau hais dhau los, CT scans feem ntau nthuav tawm cov neeg mob kom muaj hluav taws xob ntau dua li cov qauv X-rays. Qhov teeb meem no yog qhov tseem ceeb thaum xav txog qhov txaus ntshai thiab cov txiaj ntsig ntawm txhua qhov kev ntsuas kev ntsuas, tshwj xeeb tshaj yog rau cov neeg tsis muaj zog xws li cov menyuam yaus lossis cov neeg mob uas xav tau ntau yam tshuaj ntsuam xyuas.
Indications rau kev siv: X-ray raj feem ntau yog siv rau kev ntsuam xyuas yooj yim, xws li kuaj xyuas cov pob txha tawg lossis kab mob. Hauv qhov sib piv, CT scanners zoo dua rau cov teeb meem kev kuaj mob nyuaj, xws li ntsuas qhov mob plab, kuaj pom cov qog, lossis npaj kev phais mob.
Nqi thiab kev siv tau: Cov tshuab xoo hluav taws xob feem ntau muaj txiaj ntsig zoo thiab muaj dav hauv ntau qhov chaw kho mob, suav nrog chaw kho mob sab nraud thiab chaw kho mob xwm txheej ceev. CT scanners, thaum muab lub peev xwm zoo tshaj plaws, yog kim dua thiab tej zaum yuav tsis muaj nyob hauv txhua qhov chaw kho mob.
nyob rau hauv xaus
Hauv kev xaus, ob qho tib siX-ray tubesthiab CT scanners ua lub luag haujlwm tseem ceeb hauv kev kho mob, thiab txhua tus muaj nws tus kheej qhov zoo thiab kev txwv. Kev nkag siab txog qhov sib txawv ntawm ob lub thev naus laus zis no tuaj yeem pab cov kws kho mob txiav txim siab paub txog qhov twg cov qauv duab zoo tshaj plaws rau lawv cov neeg mob. Raws li thev naus laus zis txuas ntxiv mus, kev sib koom ua ke ntawm X-ray thiab CT duab zoo li yuav txuas ntxiv mus ntxiv, ntxiv dag zog rau kev kuaj mob thiab kev saib xyuas neeg mob.
Lub sij hawm xa tuaj: Plaub Hlis-21-2025