Tare da ci gaba da yaɗa kayan aikin duban dan tayi, ƙarin ma'aikatan kiwon lafiya na asibiti na iya amfani da duban dan tayi don aiwatar da aikin gani.Ƙarƙashin hangen nesa na fasaha na duban dan tayi, kalaman na duban dan tayi yana tashi bayan igiyar ruwa.Misali, ba kawai na'urar duban dan tayi na GE, Philips, Siemens, Esaote, Chison, da Sonoscape sun shahara sosai ba, amma stent jagororin huda su ma sun shahara a kasuwa.Kamfaninmu yana samarwa a halin yanzuhuda jagora stentna manyan alamu
Duk da haka, bisa ga wasu lokuta na amfani da asibiti da marubucin ya lura, shaharar kayan aikin duban dan tayi da shahararran gani na duban dan tayi ba za a iya daidaita su kai tsaye ba.Ɗauki huda ta hanyar duban dan tayi a fagen samun jijiyoyi a matsayin misali, mutane da yawa har yanzu suna cikin jahilci, wanda ke iya haifar da haɗari ga lafiya cikin sauƙi.Domin ko da yake akwai na'urar duban dan tayi, an kasa ganin inda allurar huda ta shiga.Ainihin dabarar huda ta hanyar duban dan tayi na farko tana buƙatar tabbatar da cewa ana iya ganin matsayi na allura ko titin allura a ƙarƙashin duban dan tayi, maimakon yin ƙididdige ƙima, sannan "huda makafi" a ƙarƙashin jagorancin duban dan tayi.Gabaɗaya, ya haɗa da yanayi masu zuwa:
Huda mai jagorar duban dan tayi gabaɗaya ya kasu kashi biyu: huda cikin jirgin sama da huda daga cikin jirgin.Dukansu fasahohin huda suna da abubuwan da suka dace a fagen samun damar jijiyoyin jini, kuma yana da kyau a iya ƙware a cikinsu.(Wannan sakin layi na gaba wani yanki ne daga ƙa'idar aikin American Society of Ultrasound Medicine game da tiyatar samun damar jijiyoyin bugun jini.)
Cikin jirgin sama (dogon axis) Vs.Fitowar jirgin sama (gajeren axis)
A cikin jirgin sama / fita daga cikin jirgin yana wakiltar dangantakar dangi tare da allura, allurar tana daidai da na'urar daukar hoto ta duban dan tayi a cikin jirgin sama, kuma allurar tana tsaye zuwa ga jirgin saman hoton duban dan tayi yana fita daga jirgin sama.
A ƙarƙashin yanayi na al'ada, huda cikin jirgin sama yana nuna tsayin axis ko sashin tsayin daka na jirgin jini;huda daga cikin jirgin yana nuna gajeriyar axis ko sashin giciye na magudanar jini
Sabili da haka, samun damar duban dan tayi na jijiyoyi zuwa waje na jirgin sama / gajeriyar axis, kuma a cikin jirgin sama / dogon-axis sune ma'ana.
Ana iya shigar da allurar daga saman tsakiyar tashar jini a wajen jirgin, amma dole ne a bi diddigin allurar da kuma sanya shi ta hanyar jujjuya binciken don guje wa yin la'akari da zurfin titin allurar.
Ana iya lura da matsayi na titin allura a cikin jirgin sama, amma yana da sauƙi don "zamewa" jirgin sama inda allurar take ko / da kuma jirgin tsakiyar tashar jini;huda cikin jirgin sama ya fi dacewa da manyan tasoshin
Hanyar da aka haɗa cikin jirgin sama / waje: duba-daga cikin jirgin sama / gajeriyar axis don tabbatar da cewa huda titin allura ya isa tsakiyar jirgin, juya bincike zuwa cikin jirgin / dogon-axis don shigar da allura.
Matsayin ainihin lokacin tip ɗin allura ko ma duk jikin allura ana iya lura dashi a cikin jirgin, wanda a fili yake yana da fa'ida sosai!Duk da haka, ba tare da tallafin kayan aiki irin su huda, yana ɗaukar ɗaruruwan aiki da gaske don ajiye allura a cikin jirgin hoto na duban dan tayi don ƙware da ƙwarewa.A lokuta da yawa, saboda kusurwar huda ya yi girma sosai, allurar huda tana bayyana a fili a cikin hoton hoton duban dan tayi, amma har yanzu allurar ba ta ganuwa.Me yasa wannan?
Kusurwoyin shigar allura na allurar huda a cikin hoton da ke ƙasa sune 17° da 13° bi da bi.Lokacin da kusurwar ya kasance 13°, duk jikin allura na allurar huda yana nunawa sosai.Lokacin da kusurwar ta kasance 17°, jikin allura ba za a iya gani kawai ba.Kadan, kuma mafi girman kusurwar shine, yawancin za a makantar da ku.Don haka me yasa akwai bambancin kusurwa 4 ° kawai, kuma me yasa akwai babban bambanci a cikin aikin allurar huda?
Wannan kuma dole ne ya fara tare da fitarwar ultrasonic da mayar da hankali liyafar.Kamar dai yadda ikon budewa a cikin mayar da hankali na daukar hoto, kowane batu a kan hoton shine tasirin mayar da hankali ga duk hasken da ke wucewa ta wurin budewa, kuma kowane batu a kan hoton ultrasonic shine tasirin mayar da hankali na duk masu fassarar duban dan tayi a cikin watsawa da kuma karbi budewa.Kamar yadda aka nuna a cikin hoton da ke ƙasa, kewayon da aka yiwa alama ta layin ja shine kewayon kewayon watsawa na ultrasonic, kuma layin kore shine kewayon makirci (iyakar dama) na karɓar mayar da hankali.Saboda allurar tana da haske sosai, tunani mai ban mamaki zai faru, kuma farar layin yana nuna alamar al'ada ta al'ada.Tsammanin cewa kewayon mayar da hankali kan fitar da jajayen layin ya yi kama da “fitilu” guda biyu, bayan buga saman madubi na allurar, “fitilolin” da aka nuna suna kama da layukan lemu guda biyu a hoton.Tun da "haske" a gefen dama na layin kore ya wuce iyakar budewar budewa kuma ba za a iya karɓa ta hanyar bincike ba, "hasken" wanda za'a iya karɓa yana nunawa a cikin yankin orange a cikin adadi.Ana iya ganin cewa a 17 °, binciken zai iya karɓar ƙananan ƙararrawar ultrasonic, don haka hoton da ya dace shine hoto maras kyau, kuma a 13 °, amsawar da za a iya karɓa ya fi 17 °.Lokaci yana ƙaruwa sosai, don haka hoton ya fi bayyana.Yayin da kusurwar huda ke raguwa, allurar tana ƙaruwa da "lebur", kuma ana iya samun ƙararrawar ƙararrawa daga jikin allura yadda ya kamata, don haka hangen nesa na allura ya zama mafi kyau kuma mafi kyau.
Wasu ƙwararrun mutane kuma za su sami wani abin mamaki cewa lokacin da kusurwa ya kasa da wani ƙima ( allura baya buƙatar zama gaba ɗaya "lebur"), ci gaban jikin allura yana kiyaye daidai matakin tsabta.wannan fa?Me yasa aka zana kewayon mayar da hankali (layi ja) ƙasa da kewayon karɓar mayar da hankali (layin kore) a cikin hoton da ke sama?Wannan saboda a cikin tsarin hoto na duban dan tayi, ana iya mayar da hankali kawai a zurfin zurfi.Ko da yake za mu iya daidaita zurfin mayar da hankali don sanya hoton kusa da zurfin hankalinmu ya fi fitowa fili, ba ma son wurin da ya wuce zurfin hankali ya zama blush sosai..Wannan ya sha bamban da bukatar mu na daukar hotuna-ruwa na kyawawan mata.Fim ɗin ruwan sukari yana buƙatar cewa bangon baya da gaban gaba wanda babban buɗaɗɗen buɗewa da ƙaramin zurfin filin duk sun ɓace.Don hotunan duban dan tayi, muna fata cewa hotunan da ke cikin kewayon kafin da bayan zurfin mayar da hankali sun isa sosai, don haka kawai za mu iya amfani da ƙananan ƙurar ƙura don samun zurfin zurfin filin, don kula da daidaituwar hoton.Amma game da mayar da hankali kan karɓar, saboda tsarin ƙirar ultrasonic na yanzu an daidaita shi gabaɗaya, za a iya adana echoes ultrasonic na kowane transducer/array element, sa'an nan kuma duk zurfin hoton za a iya sarrafa shi ta hanyar dijital.Ci gaba da mai da hankali, don haka a wannan lokacin, yi ƙoƙarin buɗe buɗewar karɓa gwargwadon yiwuwa, muddin ana amfani da abubuwan tsararru waɗanda za su iya karɓar siginar amsawa, don tabbatar da cewa za a iya samun mafi kyawun mayar da hankali da ƙuduri mafi kyau.Komawa ga maudu'in yanzu, lokacin da kusurwar huda ya yi ƙanƙanta zuwa wani matsayi, raƙuman ruwa na ultrasonic da ƙananan budewa za su iya karɓa ta hanyar budewa mafi girma bayan an nuna shi ta jikin allura, don haka tasirin ci gaban jikin allura. a zahiri zai kasance m ba canzawa..
Don binciken da ke sama, menene zan yi idan ba a iya ganin allurar huda bayan kwanar huda a cikin jirgin ya wuce 17°?
Idan tsarin yana goyan bayan sa, zaku iya gwada aikin haɓakar allura a wannan lokacin.Fasahar haɓakar allurar da ake kira huda gabaɗaya ita ce shigar da firam ɗin hoton hoto wanda aka karkata a duka watsawa da liyafar bayan an duba firam ɗin al'ada.Hanyar karkatarwa ita ce jagorar jikin allura, don haka za a iya mayar da tunanin jikin allura Raƙuman ruwa yana faɗowa cikin buɗaɗɗen mayar da hankali kamar yadda zai yiwu, kuma an fitar da hoton jikin allura mai ƙarfi a cikin hoto na karkatarwa nunawa bayan an haɗa shi da hoton nama na al'ada.Dangane da girman da mitar sashin tsararrun binciken, kusurwar jujjuyawar binciken jeri mai tsayi mai tsayi bai wuce 30° ba, don haka kusurwar huda ta wuce 30°.Har yanzu bai ci gaba zuwa wannan matakin ba tukuna)
Na gaba, bari mu dubi halin da ake ciki na huda daga cikin jirgin.Bayan fahimtar ƙa'idar ci gaban allura a cikin jirgin sama na sama, zai zama mafi sauƙi don bincika ci gaban allurar huda daga cikin jirgin.Juyawa mai jujjuyawar fan da aka ambata a cikin jagorar aikin mataki ne mai mahimmanci don huda daga cikin jirgin, wanda ba wai kawai ya dace da gano matsayin titin allura ba, har ma don gano jikin allura.Kawai dai allurar huda da na'urar duban dan tayi basa cikin jirgi daya a wannan lokacin.Sai kawai lokacin da allurar huda ta kasance daidai da na'urar daukar hoto za a iya nuna abin da ya faru na raƙuman ruwa na ultrasonic akan allurar huda zuwa binciken ultrasonic.Tun da kauri shugabanci na bincike gaba ɗaya ta hanyar jiki mayar da hankali na acoustic ruwan tabarau, da apertures ga duka watsawa da kuma karba iri daya ne ga wannan shugabanci, da kuma girman da budewa ne nisa na transducer wafer.Nisa na binciken tsararru kusan 3.5mm ne kawai (buɗewar karɓar hoto a cikin jirgin sama gabaɗaya ya fi 15mm, wanda ya fi faɗin wafer).Sabili da haka, idan bayyanar sauti na allurar huda a waje da jirgin shine komawa zuwa binciken, ya zama dole kawai don tabbatar da cewa allurar huda da kusurwar da ke tsakanin hotunan hotunan yana kusa da digiri 90.To ta yaya kuke yin hukunci a kusurwar tsaye?Babban abin da ya fi dacewa shine doguwar "jelar comet" tana jan bayan tabo mai haske mai ƙarfi.Wannan shi ne saboda lokacin da raƙuman ruwa na ultrasonic suka faru akan allurar huda a tsaye, ban da echoes kai tsaye da ke nuna baya ga binciken ta saman allura, ƙaramin adadin kuzarin ultrasonic yana shiga cikin allurar.Tunani da yawa a baya da baya, da kuma ra'ayoyin da yawa waɗanda aka nuna a kan alkiblar binciken kuma, suna zuwa daga baya, don haka an kafa dogon "comet wutsiya".Da zarar allurar ba ta daidaita da jirgin sama mai hoto, raƙuman sautin da ke nunawa baya da gaba za su kasance suna nunawa a wasu wurare kuma ba za su iya komawa cikin binciken ba, don haka ba za a iya ganin "jelar comet" ba.Ana iya ganin abin da ke faruwa na wutsiya mai wutsiya ba kawai a cikin huda daga cikin jirgin ba, har ma a cikin jirgin sama.Lokacin da allurar huda ta kusan layi ɗaya da saman binciken, ana iya ganin layuka na kwance.Comet wutsiya".
Don ƙarin fayyace fayyace a cikin jirgin sama da na waje "jelar comet", muna ɗaukar wasan kwaikwayo na waje da na cikin jirgin sama tare da ma'auni a cikin ruwa, kuma an nuna sakamakon a cikin adadi. kasa.
Hoton da ke ƙasa yana nuna aikin hoto na kusurwoyi daban-daban lokacin da jikin allura ya fita daga jirgin kuma an duba fan ɗin mai juyawa.Lokacin da binciken ya kasance daidai da alluran huda, yana nufin cewa allurar huda tana tsaye daidai da na'urar daukar hoto ta duban dan tayi, saboda haka zaku iya ganin tazarar "comet tail" a bayyane.
Ci gaba da binciken daidai da allurar huda kuma motsa shi tare da jikin allura zuwa titin allura.Lokacin da "jetsan comet" ya ɓace, yana nufin cewa sashin binciken yana kusa da titin allura, kuma wurin mai haske zai ɓace gaba.Matsayin kafin tabo mai haske ya ɓace shine inda titin allura yake.Wuri.Idan ba ku da kwanciyar hankali, yi ƙaramar fanki mai jujjuyawar kusurwa kusa da wannan matsayi don sake tabbatarwa.
Barka da zuwa tuntube mu don ƙarin ƙwararrun samfuran likitanci da ilimi
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