Liquid nitrogen (LN2) yana taka muhimmiyar rawa a duniyar fasahar haihuwa mai taimako, a matsayin wakili na cryogenic don adana kayan halitta masu daraja, kamar qwai, maniyyi, da embryos.Bayar da ƙananan yanayin zafi sosai da ikon kiyaye mutuncin salon salula, LN2 yana tabbatar da adana dogon lokaci na waɗannan samfurori masu laushi.Koyaya, kulawa da LN2 yana haifar da ƙalubale na musamman, saboda tsananin sanyinsa, saurin faɗaɗawa da yuwuwar haɗarin da ke tattare da ƙaurawar iskar oxygen.Kasance tare da mu yayin da muke zurfafa cikin mahimman matakan tsaro da mafi kyawun ayyuka da suka wajaba don kiyaye amintaccen muhallin adana cryo, kiyaye ma'aikatan, da makomar jiyya na haihuwa.
Haier Biomedical Liquid Nitrogen Storage Solution
Rage Hatsari a Aikin Dakin Cryogenic
Akwai hatsarori daban-daban da ke da alaƙa da sarrafa LN2, gami da fashewa, shaƙa, da ƙonewar cryogenic.Tun da girman girman girman LN2 yana da kusan 1:700 - ma'ana cewa lita 1 na LN2 za ta yi tururi don samar da kusan lita 700 na iskar nitrogen - ana buƙatar kulawa sosai yayin sarrafa gilashin gilashi;wani kumfa na nitrogen zai iya farfasa gilashin, yana haifar da shards masu iya haifar da rauni.Bugu da ƙari, LN2 yana da yawan tururi na kusan 0.97, ma'ana ba shi da yawa fiye da iska kuma zai taru a matakin ƙasa lokacin da zafin jiki ya yi ƙasa sosai.Wannan tarin yana haifar da haɗarin asphyxiation a cikin wuraren da aka kulle, yana rage matakin iskar oxygen a cikin iska.Haɗarin asphyxiation yana ƙara haɓaka ta hanyar saurin sakin LN2 don haifar da hazo ga girgije.Fitarwa ga wannan tururi mai tsananin sanyi, musamman akan fata ko a idanu - ko da a takaice - na iya haifar da kunar sanyi, sanyi, lalacewar nama ko ma lalacewar ido na dindindin.
Mafi kyawun Ayyuka
Kowane asibitin haihuwa ya kamata ya gudanar da kimanta haɗarin ciki game da aikin ɗakin cryogenic.Ana iya samun shawarwari game da yadda za a gudanar da waɗannan ƙididdiga a cikin wallafe-wallafen Codes of Practice (CP) daga Ƙungiyar Ƙwararrun Gas na Biritaniya.1 Musamman, CP36 yana da amfani don ba da shawara game da ajiyar iskar gas na cryogenic, kuma CP45 yana ba da jagora kan zane na dakin ajiya na cryogenic.[2,3]
NO.1 Tsari
Kyakkyawan wurin ɗakin cryogenic shine wanda ke ba da mafi girman damar shiga.Ana buƙatar yin la'akari da kyau game da sanya kwandon ajiya na LN2, saboda zai buƙaci cika ta jirgin ruwa mai matsa lamba.Da kyau, ya kamata jirgin ruwa na samar da nitrogen ya kasance a waje da ɗakin ajiyar samfurin, a cikin yanki da ke da iska mai kyau da tsaro.Don manyan hanyoyin ajiya na ajiya, ana haɗa jirgin ruwan samar da kayan aiki kai tsaye zuwa tashar ajiya ta hanyar bututun canja wuri na cryogenic.Idan tsarin ginin ba ya ƙyale jirgin ruwa ya kasance a waje, dole ne a dauki ƙarin kulawa yayin sarrafa nitrogen na ruwa, kuma ana buƙatar yin cikakken kimar haɗari, wanda ya ƙunshi tsarin sa ido da cirewa.
NO.2 Samun iska
Duk dakunan cryogenic dole ne su kasance da iska mai kyau, tare da tsarin cirewa don hana haɓakar iskar iskar nitrogen da kariya daga ƙarancin iskar oxygen, rage haɗarin asphyxiation.Irin wannan tsarin yana buƙatar dacewa da iskar gas mai sanyi, kuma yana da alaƙa da tsarin kula da ƙarancin iskar oxygen don gano lokacin da iskar oxygen ta ragu a ƙasa da kashi 19.5 cikin ɗari, wanda hakan zai fara haɓaka ƙimar musayar iska.Ya kamata a kasance wuraren da ake cirewa a matakin ƙasa yayin da na'urori masu rarrafe dole ne a sanya su kusan mita 1 sama da matakin bene.Koyaya, yakamata a yanke madaidaicin matsayi bayan cikakken binciken rukunin yanar gizon, saboda dalilai kamar girman ɗaki da shimfidawa zasu shafi mafi kyawun wuri.Hakanan ya kamata a shigar da ƙararrawar waje a wajen ɗakin, tana ba da faɗakarwar sauti da na gani don nuna lokacin da ba shi da aminci shiga.
NO.3 Tsaron Kai
Wasu dakunan shan magani na iya zaɓar ba ma'aikata kayan aikin iskar oxygen na sirri da kuma yin amfani da tsarin abokantaka wanda mutane za su taɓa shiga ɗakin cryogenic bibbiyu, rage yawan lokacin da mutum ɗaya ke cikin ɗakin a kowane lokaci.Hakki ne na kamfani don horar da ma'aikata kan tsarin ajiyar sanyi da kayan aikin sa kuma da yawa sun zaɓa don samun ma'aikata su gudanar da darussan aminci na nitrogen a kan layi.Ya kamata ma'aikata su sa kayan kariya na sirri da suka dace (PPE) don kiyayewa daga ƙonewar cryogenic, gami da kariyar ido, safar hannu/gauntlets, takalma masu dacewa, da rigar lab.Yana da matukar muhimmanci ga dukkan ma’aikatan su yi horon taimakon gaggawa kan yadda za su magance kone-kone, kuma yana da kyau a sami wadataccen ruwan dumi a kusa da shi don kurkure fata idan kuna.
NO.4 Kulawa
Jirgin ruwa mai matsa lamba da akwati LN2 ba su da sassa masu motsi, ma'ana cewa ainihin tsarin kulawa na shekara shine duk abin da ake buƙata.A cikin wannan, ya kamata a duba yanayin tiyon cryogenic, da kuma duk wani maye gurbin da ake buƙata na bawul ɗin sakin aminci.Ya kamata ma'aikata su ci gaba da bincika cewa babu wuraren sanyi - ko dai a kan akwati ko a kan jirgin ruwa - wanda zai iya nuna matsala tare da injin.Tare da yin la'akari da hankali ga duk waɗannan abubuwan, da kuma tsarin kulawa na yau da kullum, jiragen ruwa na iya wucewa har zuwa shekaru 20.
Kammalawa
Tabbatar da amincin ɗakin ajiyar cryo na asibitin haihuwa inda ake amfani da LN2 yana da matuƙar mahimmanci.Duk da yake wannan shafin yanar gizon ya zayyana batutuwan aminci daban-daban, yana da mahimmanci ga kowane asibiti ya gudanar da nasa kima na haɗari na ciki don magance takamaiman buƙatu da haɗarin haɗari.Haɗin kai tare da ƙwararrun masu samarwa a cikin kwantena masu sanyi, kamar Haier Biomedical, yana da mahimmanci don biyan buƙatun cryostorage yadda ya kamata kuma amintacce.Ta hanyar ba da fifiko ga aminci, bin ingantattun ayyuka, da haɗin gwiwa tare da amintattun ƙwararru, asibitocin haihuwa na iya kiyaye ingantaccen yanayin adana cryo, kiyaye ma'aikatan biyu da yuwuwar kayan haifuwa masu daraja.
Magana
1.Codes of Practice - BCGA.An shiga Mayu 18, 2023. https://bcga.co.uk/pubcat/codes-of-practice/
2.Code of Practice 45: Biomedical cryogenic ajiya tsarin.Zane da aiki.Ƙungiyar Ƙwararrun Gas ta Biritaniya.An buga a kan layi 2021. An shiga Mayu 18, 2023. https://bcga.co.uk/wp-
3.content/uploads/2021/11/BCGA-CP-45-Original-05-11-2021.pdf
4.Code of Practice 36: Cryogenic ruwa ajiya a wuraren masu amfani.Ƙungiyar Ƙwararrun Gas ta Biritaniya.An buga akan layi 2013. An shiga Mayu 18, 2023. https://bcga.co.uk/wp-content/uploads/2021/09/CP36.pdf
Lokacin aikawa: Fabrairu-01-2024
