Ib qho offline DR (Digital Radiography) system yog digital X-ray imaging system uas siv cov cuab yeej digital los ntes X-ray duab, tsim cov duab kawg los ntawm kev ua duab thiab khaws cia, thiab ua cov txheej txheem thiab txheeb xyuas cov duab cov ntaub ntawv offline tom qab ntes. Tsis zoo li qhov tiag -lub sijhawm (online) systems, offline DR systems cais kev ua haujlwm thiab khaws cia cov ntaub ntawv duab, feem ntau ua cov ntaub ntawv ua thiab tshuaj xyuas tom qab ntes.
X-ray Source Emission: X-ray source hauv offline DR system zoo ib yam li X-ray tshuab, emitting X-ray beam. Cov X-rays no nkag mus rau tib neeg lub cev lossis khoom. Cov ntaub so ntswg sib txawv hauv lub cev (xws li cov pob txha thiab cov ntaub so ntswg) nqus X-rays mus rau qhov sib txawv, ua rau X-ray teeb liab ntawm qhov sib txawv.
Duab Tau Txais: Ib lub tshuab kuaj pom digital (xws li lub ntsuas vaj huam sib luag tiaj tus lossis daim duab duab) tau txais X-rays kis los ntawm tus qauv. Lub luag haujlwm ntawm lub tshuab ntes digital yog los hloov X-ray teeb liab mus rau hauv cov teeb liab hluav taws xob, uas sawv cev rau qhov sib txawv ntom ntom hauv cov qauv, thiab tsim cov duab digital.
Flat Panel Detector: Niaj hnub nimno DR systems feem ntau siv lub vaj huam sib luag ntes, uas hloov X-ray teeb liab mus rau hluav taws xob teeb liab los ntawm kev hloov pauv photoelectric.
Daim phiaj duab (IP): Hauv qee qhov qub offline DR systems, daim phiaj duab tau nquag siv. Lawv khaws X-ray duab los ntawm cov tshuaj tiv thaiv tshuaj thiab tom qab ntawd hloov cov duab rau hauv cov ntaub ntawv digital los ntawm kev tshuaj xyuas.
Cov ntaub ntawv khaws cia thiab hloov pauv: Cov ntaub ntawv tsim tawm cov duab nyoos yog thawj zaug khaws cia rau hauv offline DR ntaus ntawv cov ntaub ntawv khaws cia (xws li hard drives, nco phaib, thiab lwm yam). Cov ntaub ntawv no tsis tau synchronized tam sim ntawd hauv lub sijhawm tiag tiag -lub sijhawm nrog tsev kho mob Cov Ntaub Ntawv Kho Mob Hluav Taws Xob (EMR) lossis Daim Duab Archiving thiab Kev Sib Txuas Lus (PACS); Hloov chaw, cov ntaub ntawv hloov chaw thiab uploading yog xav tau tom qab cov duab raug ntes.
Kev Ua Duab: Tom qab txuag cov duab nyoos, offline DR systems feem ntau ua lawv siv cov duab ua software ntawm lub computer. Cov txheej txheem no suav nrog, tab sis tsis txwv rau:
Contrast Enhancement: Kho cov duab sib piv kom cov ntsiab lus tseem ceeb dua.
Noise Reduction: Tshem tawm suab nrov ntawm daim duab los txhim kho cov duab kom pom tseeb.
Kev tshem tawm Artifact: Hais txog cov khoom qub uas tshwm sim los ntawm cov khoom siv lossis ib puag ncig.
Image Optimization: Kho qhov tsis zoo xws li ci ntsa iab thiab ntse kom ua kom cov duab zoo rau kev kuaj pom zoo dua. Cov duab ua tiav tau pom tseeb dua thiab tsim nyog rau cov kws kho mob kom kuaj tau.
Duab Zaub thiab Kev Ntsuam Xyuas: Cov duab ua tiav tau muab tso rau ntawm lub khoos phis tawj, tso cai rau kws kho mob lossis kws kho hluav taws xob saib thiab txheeb xyuas lawv. Cov txheej txheem no feem ntau yog offline, txhais tau tias cov duab khaws cia hauv qhov system thiab cov kws kho mob yuav tsum tau tshuaj xyuas lawv thaum cov txheej txheem kuaj mob tom ntej.
Image Archiving thiab Transmission: Tom qab kuaj pom, cov duab tuaj yeem khaws cia, xa mus, thiab tswj hwm los ntawm Daim Duab Archiving and Communication System (PACS). Offline DR systems feem ntau upload cov duab ua tiav rau hauv PACS system kom ntev - lub sijhawm cia lossis xa tawm mus rau lwm qhov chaw cia khoom siv. Cov duab kuj tseem tuaj yeem sib koom hauv lub network nrog lwm lub tsev kho mob lossis cov kws kho mob tshwj xeeb rau kev kuaj mob nyob deb.
