Bone densitometer ke sesebelisoa sa tlhahlobo ea bongaka se lekanyang masapo a motho le ho fumana lintlha tse fapaneng tse amanang.Li-densitometer tsa masapo tse tloaelehileng 'marakeng mathoasong a lekholo la bo21 la lilemo li arotsoe ka mekhahlelo e' meli: matla a mabeli a X-ray absorptiometry le ultrasonic absorptiometry.X-ray absorptiometry absorptiometry ea matla a mabeli X-ray absorptiometry e fumana mefuta e 'meli ea matla, e leng litlhōrō tsa photon tse nang le matla a tlaase le a matla a phahameng, ka sesebelisoa se itseng ka tube ea X-ray.Ka mor'a hore tlhōrō ea photon e kene 'meleng, tsamaiso ea ho hlahloba e romela letšoao le amoheloang k'homphieutheng bakeng sa ts'ebetso ea data ho fumana liminerale tsa masapo.Sesebelisoa se ka lekanya boima ba masapo karolong efe kapa efe ea 'mele ka ho nepahala ho phahameng le kotsi e fokolang ho' mele oa motho.Tekanyetso ea mahlaseli a ho lemoha karolo e lekana le 1/30 ea X-ray ea sefuba le 1% ea CT.Ha ho na bothata ba ho bola ha mehloli ea mahlaseli a kotsi, ’me e ’nile ea ntlafatsoa butle-butle metseng e meholo ea Chaena, ’me litebello lia tšepisa.
Sistimi ea matla a mabeli a X-ray absorptiometry e na le tšupu ea X-ray, collimator, le mochine oa X-ray.Li-photon tsa X-ray li hlahisoa ke tube ea X-ray, e nang le cathode le anode, tse kentsoeng ka phapu ea vacuum.Hoo e ka bang 99% ea matla a tube ea X-ray a qhaloa e le mocheso, 'me ka tlaase ho 1% ea matla e fetoha X-rays.Setsi sa X-ray se kopanngoa hore e be sefate se tšesaane se bōpehileng joaloka fene pele se fihla sebakeng se lekantsoeng.Collimator e sebelisetsoa ho laola le ho thibela tšimo ea mahlaseli a sefate sa litšoantšo ho etsa bonnete ba hore sefate se ka koahela ka nepo sebaka se sebetsang sa litšoantšo sa detector.Lehlaseli la X-ray le feta sebakeng seo ho buuoang ka sona 'me ka boikhethelo le fokotsoa ke lesapo le linama tse bonolo sebakeng seo.Ha lehlaseli la X-ray le feta ho mokuli, le otla mochine oa X-ray, 'me matla a mahlaseli ka mor'a ho feta' meleng a fetoloa lipontšo tsa motlakase ebe oa ngoloa.
The Whale3025/1613 series dynamic flat panel detector e entsoeng ka boikemelo ke Haobo e sebelisa thekenoloji ea thepa ea amorphous silicon (a-Si), e nang le litšobotsi tsa boleng bo phahameng ba setšoantšo, mefuta e mengata e matla le mefuta e mengata ea lisebelisoa tsa ho qetela.E na le lisebelisoa tsa ho fetola tse laoloang ke mananeo a mangata, tse ke keng tsa finyella litlhoko tsa ts'ebeliso ea kutloisiso e phahameng, empa hape li finyella litlhoko tsa maemo a maholo a matla a matla, 'me li ka fetoha ka ho pharaletseng ho latela litlhoko tsa kopo ea ho lemoha bongaka.
Khothaletso ea sehlahisoa sa Hardware
Nako ea poso: Jul-14-2022