Gyara kayan aikin bincike na hoto na ultrasonic
An yi amfani da hoton Ultrasonic sosai a cikin ganewar asali na tiyata, cututtukan zuciya, oncology, gastroenterology, ophthalmology, obstetrics da gynecology da sauran cututtuka.A cikin 'yan shekarun nan, a daya hannun, ci gaban ultrasonic imaging kayan aikin bincike akai-akai bincikar asibiti na sababbin aikace-aikace, a daya hannun kamar yadda duban dan tayi imaging a cikin ganewar asali na kwarewa da fahimtar aikin ultrasonic image kayan aiki, likitoci da kuma aiki. a cikin ingancin kayan aikin bincike na hoto na ultrasonic kuma sau da yawa yana gabatar da buƙatu daban-daban da Shawarwari, don haka ba wai kawai haɓaka matakin ganewar asali na ultrasonography ba tare da ɓata lokaci ba, ƙari kuma, aikace-aikacen ultrasonic Hoto an zurfafa, kuma an haɓaka fasahar bincike na ultrasonic Hoto. .
1. Kula da gyara kuskure
Don samun hoto mai inganci na ƙimar bincike, ana buƙatar yanayi daban-daban.Daga cikin su, ƙaddamar da kayan aikin bincike na ultrasonic yana da mahimmanci.Bayan an kunna mai watsa shiri da saka idanu, ana nuna hoton farko akan allon.Bincika ko ribbon ɗin launin toka ya cika kafin yin gyara, kuma sanya aikin bayan aiki a cikin layi mai layi.Ana iya daidaita bambanci da Haske na mai duba gwargwadon yadda ake so.Yi gyara na'urar don sanya shi dacewa, koda kuwa ya nuna daidaitaccen bayanan bincike daban-daban da mai watsa shiri ya bayar, kuma yana yarda da hangen nesa na mai binciken.Ana amfani da sikelin launin toka a matsayin ma'auni yayin gyarawa, ta yadda mafi ƙanƙancin launin toka ba ya gani a cikin baki.Mafi girman matakin launin toka shine farin hali haske amma mai haske, daidaita zuwa duk matakan matakin launin toka mai arziki kuma ana iya nunawa.
2. Gyaran hankali
Hankali yana nufin iyawar kayan aikin bincike na duban dan tayi don ganowa da nunin tunani.Ya ƙunshi jimlar riba, kusa da kashe filin da ramuwa mai nisa ko zurfin riba (DGC).Ana amfani da jimlar riba don daidaita haɓakar ƙarfin lantarki, halin yanzu ko ƙarfin siginar da aka karɓa na kayan bincike na ultrasonic.Matsayin jimillar ribar kai tsaye yana rinjayar nunin hoton, kuma gyara shi yana da mahimmanci.Gabaɗaya, an zaɓi hanta babba ta al'ada azaman ƙirar daidaitawa, kuma ainihin ainihin hoton hanta na hanta mai ɗauke da hepatic vein na hanta na hanta na hanta yana nunawa ta hanyar incision subcostal, kuma ana daidaita jimlar riba ta yadda ƙarfin amsawar hanta parenchyma a tsakiyar hoton (yankin 4-7cm) yana kusa da ma'aunin launin toka wanda aka nuna a tsakiyar sikelin launin toka.Zurfin samun ramuwa (DGC) kuma ana saninsa da ramuwa ta lokaci (TGC), daidaita lokacin hankali (STC).Yayin da nisan abin da ya faru na igiyar ruwa ultrasonic yana ƙaruwa da rauni a cikin tsarin yaduwa na jikin ɗan adam, siginar filin kusa yana da ƙarfi gabaɗaya, yayin da siginar filin nesa ba ta da ƙarfi.Domin samun hoton zurfin iri ɗaya, kusa da murƙushe filin da diyya mai nisa dole ne a aiwatar da shi.Kowane nau'in kayan aikin ultrasonic gabaɗaya yana ɗaukar nau'ikan nau'ikan ramuwa iri biyu: nau'in kula da zoning (nau'in sarrafa gangara) da nau'in sarrafa yanki (nau'in sarrafa nisa).Manufarsa ita ce sanya sautin kukan filin kusa (nama mara zurfi) da filin nesa (nau'i mai zurfi) kusa da matakin launin toka na filin tsakiya, wato, don samun hoto mai kama daga haske zuwa matakin launin toka mai zurfi, don sauƙaƙe fassarar da ganewar asali na likitoci.
3. Daidaita kewayon tsauri
Kewayo mai ƙarfi (an bayyana a cikin DB) yana nufin kewayon mafi ƙasƙanci zuwa siginar amsawa mafi girma wanda za'a iya ƙarawa ta wurin ƙarawa na kayan bincike na hoto na ultrasonic.Ba a nuna siginar echo da aka nuna akan hoton da ke ƙasa mafi ƙanƙanta ba, kuma siginar faɗakarwa sama da matsakaicin ba ta ƙara haɓaka ba.A halin yanzu, matsakaicin kewayon mafi ƙarfi kuma mafi ƙanƙanta siginar faɗakarwa a cikin kayan aikin bincike na hoto na ultrasonic gabaɗaya shine 60dB.ACUSONSEQUOIA na'urar duban dan tayi na kwamfuta har zuwa 110dB.Manufar daidaita kewayo mai ƙarfi shine don faɗaɗa siginar amsawa cikakke tare da ƙimar bincike mai mahimmanci kuma don matsawa ko share siginar bincike mara mahimmanci.Ya kamata a daidaita kewayo mai ƙarfi bisa ga buƙatun bincike.
Zaɓin kewayon kewayon da ya dace ya kamata ba wai kawai tabbatar da nunin siginar ƙaranci da rauni a cikin rauni ba, amma kuma tabbatar da fitacciyar iyakar rauni da ƙarar ƙararrawa.Matsakaicin madaidaicin kewayon da ake buƙata don bincikar duban dan tayi na ciki shine 50 ~ 55dB.Duk da haka, don lura da cikakkiyar kulawa da nazarin ƙwayoyin cuta, za'a iya zaɓar babban kewayon ƙarfi kuma za'a iya rage bambancin hoto don wadatar da bayanan bincike da aka nuna a cikin hoton murya.
4. Daidaita aikin mayar da hankali kan katako
Binciken kyallen jikin mutum tare da katako mai mahimmanci na iya inganta ƙudurin duban dan tayi a kan kyakkyawan tsarin mayar da hankali (launi), da rage tsararrun kayan tarihi na ultrasonic, don haka inganta ingancin hoto.A halin yanzu, ultrasonic mayar da hankali yafi rungumi dabi'ar hade da real-lokaci tsauri electron mayar da hankali, m budewa, acoustic ruwan tabarau da concave crystal fasaha, sabõda haka, tunani da liyafar na ultrasonic iya cimma cikakken kewayon sosai mayar da hankali a cikin kusa, tsakiya da kuma nesa. filayen.Don kayan aikin bincike na ultrasonic tare da aikin zaɓin mayar da hankali na yanki, zurfin mayar da hankali na iya daidaitawa ta hanyar likitoci a kowane lokaci yayin aiki.
Lokacin aikawa: Mayu-21-2022