Ubuchwepheshe be-X-ray bushintshe kakhulu insimu yezithombe zezokwelapha, buhlinzeka ochwepheshe bezokwelapha ngolwazi olubalulekile ngomzimba womuntu. Kodwa-ke, ukusebenza kahle kwezithombe ze-X-ray kuncike kakhulu ekunembeni kwemishini esetshenziswayo, ikakhulukazi ama-X-ray collimator. Lawa madivayisi adlala indima ebalulekile ekuthuthukiseni ukunemba kokuxilongwa kwe-radiological ngokulawula ukuma nobukhulu bomsebe we-X-ray, ngaleyo ndlela kuncishiswe ukuvezwa okungadingekile futhi kuthuthukiswe ikhwalithi yesithombe.
Funda ngama-X-ray collimators
Ama-collimator e-X-rayyizinto ezifakwe eshubhu le-X-ray ezisetshenziselwa ukunciphisa umsebe wemisebe okhishwa ngesikhathi sokuthwebula izithombe. Ngokukhawulela indawo evezwe kuma-X-ray, ama-collimator asiza ukugxila kwemisebe ezindaweni ezithile ezithakazelisayo, okubalulekile ekutholeni izithombe ezicacile nezinemininingwane. Le ndlela eqondisiwe ayithuthukisi nje kuphela ikhwalithi yezithombe ezikhiqizwayo, kodwa futhi inciphisa umthamo wemisebe ezicutshini ezizungezile, ngaleyo ndlela inciphise ingozi yezinkinga ezihlobene nemisebe.
Ikhwalithi yesithombe ethuthukisiwe
Enye yezindlela eziyinhloko i-X-ray collimator ethuthukisa ngazo ukunemba kokuxilonga iwukuthuthukisa ikhwalithi yesithombe. Lapho i-X-ray beam ihlanganiswa, inciphisa imisebe ehlakazekile, engafiphaza imininingwane esithombeni. Imisebe ehlakazekile yenzeka lapho i-X-ray ixhumana nezinto futhi iphambuka endleleni yayo yokuqala, okuholela esithombeni esifiphele ku-radiograph. Ngokugxilisa i-beam nge-collimator, odokotela be-radiology bangathola izithombe ezicacile nezihlukile, okwenza kube lula ukubona ukukhubazeka okufana nezimila, ukwaphuka, noma izifo.
Nciphisa ukuvezwa kwemisebe
Ngaphezu kokuthuthukisa ikhwalithi yesithombe, ama-X-ray collimator nawo adlala indima ebalulekile ekunciphiseni ukuvezwa kwemisebe yesiguli. Imisebe engadingekile ibeka izingozi ezinkulu zempilo, ikakhulukazi ngesikhathi sezinqubo zokuthatha izithombe eziphindaphindwayo. Ngokukhawulela umsebe we-X-ray endaweni ethandwayo, i-collimator iqinisekisa ukuthi kuphela izicubu ezidingekayo ezikhanyiswa ngemisebe. Lokhu akuvikeli isiguli kuphela, kodwa futhi kuhambisana nesimiso se-ALARA (As Low As Possible), isiqondiso esiyisisekelo ku-radiology esihlose ukunciphisa ukuvezwa kwemisebe.
Ukwenza kube lula ukuxilongwa okunembile
Ukuthuthukisa ikhwalithi yesithombe nokunciphisa ukuvezwa kwemisebe kuthuthukisa ngqo ukunemba kokuxilonga. Ochwepheshe bemisebe bathembele ezithombeni ezisezingeni eliphezulu ukuze benze izinqumo ezinolwazi mayelana nokunakekelwa kweziguli. Uma izithombe zicacile futhi zingenazo izinto ezidaliwe ezibangelwa imisebe esakazekile, kulula ukubona izinguquko ezicashile ku-anatomy noma i-pathology. Lokhu kunemba kubaluleke kakhulu lapho kutholakala izifo ezifana nomdlavuza, lapho ukutholwa kusenesikhathi kungathinta kakhulu imiphumela yokwelashwa.
Ngokufigqiwe
Ngokufigqiwe,Ama-collimator e-X-rayziyithuluzi elibalulekile emkhakheni we-radiology elingathuthukisa kakhulu ukunemba kokuxilonga. Ngokugxilisa umsebe we-X-ray, la madivayisi angathuthukisa ikhwalithi yesithombe, anciphise ukuvezwa kwemisebe okungadingekile, futhi enze lula ukuxilongwa okunembe kakhudlwana. Njengoba ubuchwepheshe buqhubeka nokuthuthuka, ama-collimator azoqhubeka nokudlala indima ebalulekile ekuqinisekiseni ukuthi imikhuba ye-radiology inamathela ezindinganisweni eziphakeme kakhulu zokuphepha kwesiguli kanye nokunemba kokuxilonga. Ukuhlanganiswa kobuchwepheshe be-collimation obusebenzayo akuzuzisi nje kuphela iziguli, kodwa futhi kwenza ochwepheshe bezempilo bakwazi ukunikeza ukunakekelwa okungcono ngokusebenzisa izithombe ezinembile.
Isikhathi sokuthunyelwe: Disemba-02-2024