Hoto na maganadisu na maganadisu (MRI) yana ɗaya daga cikin mahimman fasahar hoton likita a yau.Yana amfani da filayen maganadisu masu ƙarfi da mitar rediyo don samun ɓangarorin ɓangarorin ɓangarorin ɓangarorin ɓangarorin ɓangarorin da ba su mamayewa ba, suna taka muhimmiyar rawa wajen gano cututtuka da yawa.Koyaya, na'urar daukar hotan takardu ta MRI na al'ada suna da tsarin tubular da ke rufe, suna tilasta wa marasa lafiya su kwanta har yanzu a cikin kunkuntar rami yayin dubawa.Wannan yana haifar da matsananciyar damuwa ta hankali, musamman ga yara, dattijai, da marasa lafiya tare da claustrophobia, kamar yadda kwanciya a cikin rami da ke kewaye na iya zama da daɗi sosai.Bugu da ƙari, ana haifar da ƙara mai ƙarfi a ci gaba a yayin binciken MRI, yana ƙara ƙarawa ga rashin jin daɗi na haƙuri.Buɗaɗɗen sikanin MRI don haka an haɓaka su don haɓaka ƙwarewar haƙuri sosai.
Babban fasalin MRI na buɗewa shine maganadisu na C-dimbin yawa ko O-dimbin yawa wanda ke haifar da buɗaɗɗen damar shiga bangarorin biyu.Ana sanya marasa lafiya a cikin buɗewa don su iya ganin yanayin waje maimakon a rufe su a cikin kunkuntar sarari.Wannan yana sauƙaƙa damuwa sosai ga majiyyaci da jin halin ɗaurewa.Bugu da ƙari, buɗe damar MRI yana haifar da kawai a kusa da 70 decibels na amo, 40% raguwa daga 110 decibels na al'ada na MRI na al'ada da ke rufewa, yana ba da damar yin aiki mai sauƙi.
Siffar C
Siffar O
Dangane da abubuwan tsarin tsarin, buɗe MRI yana riƙe da ainihin sassan daidaitaccen na'urar daukar hotan takardu na MRI, gami da babban maganadisu wanda ke samar da filin maganadisu mai ƙarfi mai ƙarfi, coils ɗin gradient waɗanda ke haifar da filayen gradient, da muryoyin RF don tashin hankali da gano sigina.Ƙarfin filin babban maganadisu a buɗe MRI zai iya kaiwa 0.2 zuwa 3 Tesla, daidai da MRI na al'ada.Buɗe MRI kuma ya haɗa da ƙarin tsarin tallafi na haƙuri da hanyoyin docking don daidaita buƙatun buɗaɗɗen matsayi da haƙuri.Gabaɗaya, yayin haɓaka ƙwarewar haƙuri, buɗe MRI yana riƙe da mahimman ka'idodin hoton maganadisu na maganadisu kuma har yanzu yana iya samar da hotuna masu inganci na kyallen jikin mutum.
Idan aka kwatanta da na gargajiya na rufe MRI, buɗe MRI yana da fa'idodi masu zuwa:
1. Yana rage yawan fargabar claustrophobic.Buɗaɗɗen ƙira yana tabbatar da marasa lafiya ba sa jin an kulle su a cikin kunkuntar rami, yana ba da yanayi mai natsuwa musamman ga yara, tsofaffi, ko marasa lafiya na claustrophobic.Wannan yana inganta yarda kuma yana ba da damar siyan sikanin inganci masu inganci.
2. Mahimmancin rage amo, ba da izini don ƙarin kwanciyar hankali.Buɗe matakan amo na MRI kusan 40% ƙasa da tsarin da aka rufe.Ragewar amo yana rage yawan damuwa na haƙuri, yana ba da damar ɗaukar lokaci mai tsayi da ƙarin cikakkun bayanai na siyan hoto.
3. Ƙarin sassauƙa da sauƙi ga duk marasa lafiya.Buɗaɗɗen damar shiga da rage amo yana sa dubawa cikin sauƙi ga masu amfani da keken hannu, marasa lafiya, ko waɗanda ke da matsalar motsi.Buɗe MRI na'urar daukar hotan takardu na iya duba marasa lafiya kai tsaye ba tare da canja wurin damuwa ta jiki da tunani ba.
4. Yana ba da damar aikace-aikacen shiga tsakani.Buɗe zane yana ba da damar sauƙi ga marasa lafiya a lokacin dubawa, sauƙaƙe hanyoyin shiga tsakani na MRI.Likitoci na iya yin aiki a kan marasa lafiya a ainihin lokacin yayin da suke ci gaba da yin hoton wurin jiyya.
Akwai wasu iyakoki na buɗe MRI idan aka kwatanta da tsarin da aka rufe:
1. Halin hoto na iya zama ɗan ƙasa kaɗan, musamman a cikin bambancin nama mai laushi da ƙuduri.Buɗaɗɗen ƙira yana nufin filin maganadisu ya fi rashin daidaituwa fiye da ruɓaɓɓen silinda na gargajiya, yana haifar da ƙasƙantar layin layi da ƙananan ƙudurin hoto na ƙarshe.Wannan ya shahara musamman akan ƙananan ƙananan filayen buɗaɗɗen MRI scanners.Ƙarfafa 1.5T ko 3T buɗaɗɗen na'urar daukar hotan takardu na iya ramawa rashin daidaituwar filin tare da ci-gaba shimming da ƙirar tsarin bugun jini.Amma bisa ka'ida, ruɓaɓɓen silinda koyaushe yana ba da ƙarin ingantattun filaye masu kama da juna.
2. Rashin aikin hoto mara kyau ga marasa lafiya masu kiba saboda ƙarin filayen maganadisu marasa daidaituwa.Marasa lafiya masu kiba suna da ƙarar jiki mafi girma, kuma buɗewar ƙira tana kokawa don kiyaye yanayin filin maganadisu iri ɗaya akan su.Na'urorin daukar hoto na MRI na al'ada da ke rufewa kawai suna buƙatar haɓaka daidaituwar filin a kan ƙaramin sararin rami na silinda, samun kyakkyawan sakamako ga manyan marasa lafiya.Amma masu siyar da MRI na buɗewa suna aiki akan hanyoyin da aka keɓance kamar faɗuwar buɗewar haƙuri da ƙarfin filin don magance wannan iyakancewa.
3. Ƙarin tsari mai rikitarwa wanda ke haifar da farashi mai girma na saye da kulawa.Budewar ƙira tana buƙatar ƙarin rikitaccen maganadisu da na'urorin geometries na murɗa, tare da na'urorin sarrafa haƙuri na musamman.Wannan ƙaƙƙarfan ƙaƙƙarfan ginin gini yana fassara zuwa mafi girman farashi na farko idan aka kwatanta da ruɓaɓɓen maganadisu na silindari na daidai ƙarfin filin.Bugu da ƙari, siffar da ba ta dace ba na buɗaɗɗen MRI na buɗe ido yana sa su zama masu wahala a cikin wuraren da ake da su na asibiti da aka tsara don rufewa na MRI.Kulawa na dogon lokaci da sake cika helium kuma sun fi tsada saboda yanayin al'ada na buɗe tsarin MRI.Amma ga marasa lafiya waɗanda ke da fa'ida sosai daga ƙirar buɗewa, waɗannan ƙarin farashi na iya zama barata.
A taƙaice, buɗaɗɗen gine-ginen MRI scanners sun shawo kan raunin tsarin MR na gargajiya da ke kewaye kuma suna haɓaka ta'aziyar haƙuri da karɓa sosai.Suna samar da yanayin dubawa na abokantaka da ke amfana da ƙarin marasa lafiya.Tare da ci gaba da ci gaba, MRI na buɗewa zai sami ƙarin amfani da asibiti, musamman ga masu damuwa, yara, tsofaffi, da marasa lafiya marasa motsi.
