Uma kukhulunywaI-X-ray image ukuqina, ukufakwa kwesokudlaIgridi ye-X-raykubalulekile ekuqinisekiseni ukucabanga okuseqophelweni eliphezulu. I-X-ray grids iyizakhi ezibalulekile kwi-radiography, eklanyelwe ukuthuthukisa ikhwalithi yesithombe ngokunciphisa imisebe ehlakazekile. Ukukhethwa kwe-X-ray Grid yokufaka ku-X-ray Image Instrunsifier kuya ngezici eziningana, kufaka phakathi uhlobo lwezinqubo zokucabanga, amandla we-X-ray ugongolo, nekhwalithi yesithombe oyifunayo.
Okunye kokucatshangelwa okuyisisekelo lapho ukhetha igridi ye-X-ray yesithombe se-X-ray Image ukuqina kwesilinganiso segridi. Isilinganiso segridi sisho isilinganiso sokuphakama kwemichilo eholayo ebangeni phakathi kwabo. Izilinganiso zegridi eziphakeme zisebenza kangcono ekususeni imisebe ehlakazekile kepha zidinga ama-volur aphezulu we-x-ray tube ukuze alondoloze ikhwalithi yesithombe. Nge-radiography ejwayelekile, isilinganiso segridi esingu-8: 1 sivame ukusetshenziswa, ngenkathi kutholakala imishayo yamandla we-X-ray, njengaleyo esetshenzisiwe ku-fluoroscopy, isilinganiso segridi esingu-12: 1 noma ngaphezulu kungadingeka.
Enye into ebalulekile okufanele uyicabangele imvamisa yegridi. I-Grid Frequency isho inani lemichilo yokuhola nge-intshi ngayinye futhi inomthelela oqondile ngokuhlukahluka kwesithombe. Ama-frequency aphezulu wegridi ayasebenza ekususeni imisebe ehlakazekile kepha angahle aholele ekunciphiseni ngokukhanya kwesithombe. Nge-radiography ejwayelekile, imvamisa yegridi yemigqa eyi-103 nge-intshi ngayinye ivame ukufaneleka, ngenkathi izinqubo ezikhethekile njenge-mammography, imvamisa ephakeme yegridi yemigqa engu-178 nge-intshi ngayinye ingadingeka.
Okuqukethwe kwegridi nakho kudlala indima ebalulekile ekusebenzeni kwayo. Amagridi we-Aluminium asetshenziselwa ukusetshenziselwa imishayo ye-X-ray ephansi, ngenkathi imishayo yamandla aphezulu ingadinga amagridi enziwe ngezinto ezifana ne-carbon fiber noma insimbi engagqwali. Ukukhethwa kwezinto ezibonakalayo zegridi kufanele kususelwe emandleni we-X-ray beam kanye nezidingo ezithile zokucabanga.
Ekuphetheni, ukukhethwa kwegridi ye-X-ray efanelekile yokufaka i-X-ray Image Instrunsifier kubalulekile ekufezekiseni izithombe ezisezingeni eliphakeme le-radiographic. Izici ezifana nesilinganiso segridi, imvamisa, kanye nezinto ezibonakalayo kufanele zibhekwe ngokucophelela ukuqinisekisa ukusebenza kahle kanye nekhwalithi yesithombe yezinqubo ezihlukile zokucabanga. Ngokuqonda izidingo ezithile zohlelo lokucabanga kanye nezinhlelo zokusebenza ezihlosiwe, ochwepheshe bezokunakekelwa kwempilo bangenza izinqumo ezinolwazi maqondana nokufakwa kwamagridi we-x-ray ku-X-ray Image ukuqina.
Isikhathi sePosi: Jun-12-2024