Isihloko
Ukuhlola ukungena kukadayi we-methylene blue: okufakazelwa yivayali engenambala
Ukuhlola ukungena kukadayi we-methylene blue kubuza ukuthi isixazululo sikadayi esingaphandle singangena yini ephakhejini evaliwe ngaphansi kwezimo zokuhlola ezichaziwe. Udayi oluhlaza okwesibhakabhaka ongaphakathi kwe-ampoule noma ivayali ungaveza indawo evulekile ephakhejini. Ukungabikho kukadayi ongatholwa kusho ukuthi ukuhlola akutholanga ukungena kukadayi ngaphansi kwalezo zimo. Lokho kukodwa akufakazeli ukuthi umkhiqizo awunamagciwane.
Lo mehluko unquma indlela ukuhlola okufanele kuhlelwe ngayo. Kulula ukwenza umboniso obonakala ukholisa kusetshenziswa ivayali ephukile. Ukubonisa ukuthi indlela ingathola ngokuthembekile iziphambeko eziphathelene nomkhiqizo othile kudinga umsebenzi omningi kakhulu.
Landela udayi lapho udlula ephakhejini
Ekuhloleni okuvamile kokucwilisa, iziqukathi ezivaliwe zifakwa oketshezini lukadayi bese zichayeka ekulandelaneni kwezinguquko zengcindezi ezibekiwe. Ukunciphisa ingcindezi yangaphandle kungavumela igesi ukuba iphume esiqukathini esivuzayo. Ukubuyisela ingcindezi ngesikhathi isiqukathi sisacwilisiwe kungaphusha isixazululo sikadayi singene ngaphakathi. Ingaphandle libe selihlanzwa, bese okuqukethwe kuhlolwa ngamehlo noma kuhlaziywa ukuze kutholakale into yokulandela umkhondo.
Yonke indlela yokudlula ibalulekile: izimo zokuhlola kufanele zifinyelele endaweni evuzayo, uketshezi kufanele ludlule kuyo, futhi udayi owanele kufanele uhlale utholakala ngaphakathi. Ukuhlola kungahluleka kunoma yisiphi salezi zigaba. Umzila omncane ovalwe umkhiqizo noma igesi ebambekile akudingeki uziphathe njengembobo evulekile enobubanzi obushiwo obufanayo.
Ku-ampoule yengilazi evalwe ngokuncibilikisa ingilazi, isiphambeko esifanele singaba umfantu noma ukuvala okungaphelele. Kwivayali evalwe ngesivalo esifakwayo, uhlelo luhlanganisa nokwakheka komlomo wengilazi, i-elastomer, nendlela isivalo esiboshwe ngayo. Ukuhlola ikhono lesivalo esibhoboziwe lokuphinda sivale kuphendula omunye umbuzo ophathelene nokusetshenziswa. Lezi yizinkinga zokupakisha ezihlobene, kodwa amasampula azo okuhlolwa awakwazi ukushintshaniswa.
Ukugxila kuyingxenye yendlela, akuyona indlela yonke
Ayikho impendulo eyodwa yombuzo othi “Kusetshenziswa ukugxila okungakanani kwe-methylene blue ekuhloleni ukuvuza?” ngaphandle kokucacisa inqubo. Ukugxila kukadayi, ukwakheka kwesixazululo, isikhathi sokuchayeka, ingcindezi, umthamo wokugcwalisa, nendlela yokuthola kusebenza ndawonye.
Umbhalo ogciniwe we-USP Pharmacopeial Forum wango-2008 uchaza isixazululo esingu-0.1%, esivezwe njenge-1 g/L, sokuhlola okuthile kokuzivala kwesivalo se-elastomer. Leso sibonelo somlando asiyona iresiphi esebenza kuwo wonke ama-ampoule, amasirinji agcwaliswe kusengaphambili, noma zonke izinhlelo zamavayali zamanje.
Ekukhetheni indlela namuhla, isahluko 1207 se-USP sinikeza uhlaka lobuqotho bephakheji lwemikhiqizo engenamagciwane, kanti isahluko 1207.2 sidingida ubuchwepheshe bokuhlola ukuvuza. Isingeniso saso sixwayisa abafundi ngokucacile ukuba bahlole ububanzi nezinguqulo zakamuva zamazinga okubhekiselwe kuwo. Isahluko 382 se-USP sidingida ukufaneleka kokusebenza kwezinhlelo zokupakisha imikhiqizo enikezwa ngomjovo eziqukethe izingxenye ze-elastomer. Umbhalo omdala osalungiswa womhlangano wokucobelelana ngolwazi awukwazi ukuthatha indawo yombhalo osemthethweni osebenzayo nenqubo eqinisekiswe ngokuhlolwa.
Ngakho umbuzo osebenzayo uthi: ingabe le ndlela ephelele ithola ukuvuza okuphathelene nalo mkhiqizo nale phakheji? Ukukhetha uketshezi lukadayi olunombala ogqamile kakhulu akuwuphenduli lowo mbuzo. Qopha ukwakheka nokugxila kwesixazululo ngendlela engadidanisi, kuhlanganise nezithasiselo nesisekelo sanoma yiliphi iphesenti.
Izilawuli zihlukanisa umphumela owusizo nokuhlola okuhlulekile
Sebenzisa lolu chungechunge lokuchaza imiphumela lapho ubuyekeza indlela noma umbiko wokuhlola. Izinhlobo zezilawuli nemigomo yokwamukela imiphumela kufanele kusungulwe ngaphambi kokuchaza imiphumela yamasampula angaziwa.
| Isigaba | Ubufakazi obudingekayo | Uma ubufakazi bungekho | Isiphetho esingamanga okufanele sigwenywe |
|---|---|---|---|
| Chaza inhloso | Umkhiqizo, ukwakheka kwephakheji, isigaba somjikelezo wokuphila, nokukhathazeka ngokuvuza | Ukuhlola kungase kuphendule umbuzo ongafanele wokupakisha | “Noma yikuphi ukuhlola ukuvuza kufanelekile.” |
| Hlola indlela yokudlula | Amaphakheji aneziphambeko ezaziwayo amelela ikhono okuthiwa indlela inalo | Isampula engaziwa engenambala ingase ibonise ukuthi izimo zokuhlola azisebenzi | “Isilawuli esikhulu esiphukile sisebenzile, ngakho iziphambeko ezincane ziyatholakala.” |
| Hlola isignali eyisisekelo | Izilawuli ezingenasici zokungabi khona kokungena kukadayi, eziphathwe kanye namasampula | Ukungcoliswa kwangaphandle noma umbala wengxube yesampula kungase kuthathwe njengokungena kukadayi | “Yonke isignali eluhlaza okwesibhakabhaka ingene ngokuvuza.” |
| Hlola indlela yokufunda umphumela | Okuqukethwe okufakwe udayi owaziwayo noma izilinganiso eziyireferensi ezifanele zokuhlaziya | Okuqukethwe kungase kufihle ukugxila okuphansi kukadayi | “Ithuluzi elizwelayo liqinisekisa ukuhlola iphakheji okuzwelayo.” |
| Chaza umphumela wesampula | Izilawuli ezisebenzayo nomthetho wokwenza isinqumo ochazwe kusengaphambili | Umphumela udinga uphenyo | “Ukungabikho kukadayi kusho ukungabi namagciwane nama-pyrogen.” |
Isampula efakwe udayi owaziwayo nephakheji eyenziwe yaba nesiphambeko ngamabomu kuphendula imibuzo ehlukene. Ukufaka udayi kubuza ukuthi udayi osuvele ungaphakathi ungatholwa yini. Iphakheji enesiphambeko ibuza ukuthi udayi ungangena yini bese utholakala kuyo yonke inqubo yokuhlola. Ucwaningo oluqinile kudingeka luhlukanise lawo makhono.
Kulula ukudida imikhawulo emibili yokuthola
Umkhawulo wokuthola ekuhlaziyeni uphathelene nenani likadayi indlela yokufunda umphumela engalihlukanisa nesignali eyisisekelo. Ikhono lokuthola ekuhloleni iphakheji liphathelene nokuthi indlela yonke ithola ziphi iziphambeko, nokuthi izithola ngokungaguquguquki okungakanani. Umkhawulo omuhle kakhulu wokuhlaziya awukwazi ukusiza izimo zokuhlola ezihlulekayo ukuhambisa udayi endaweni evuzayo efanele.
Yingakho imiphumela yokungena kukadayi incike emathubeni: isiphambeko esikhona asiqinisekisi ukuthi into yokulandela umkhondo izodlula ngendlela ebonakalayo kukho konke ukuhlola. Ukuhlola okuphindaphindiwe neziphambeko ezichazwe ngendlela efanele kuyadingeka ukuze kusungulwe ukusebenza, kunokuba kunqunywe ubukhulu obuncane bembobo obusebenza kuzo zonke izimo.
Ucwaningo lokuqala lubonisa ukuthi lokhu kuncike ohlelweni oluhlolwayo. Ocwaningweni lwango-2016 lwamasirinji agcwaliswe kusengaphambili, uLu nozakwabo babika ukuthi i-methylene blue yayingafanele ukuthola ngokuthembekile izindawo ezincane ezivulekile kumasirinji omkhiqizo womuthi abawaphenyayo. Bakha indlela esebenzisa udayi okhipha ukukhanya lapho ukhanyiselwa nokuthola ngokuhlaziya ukukhanya. Lokho okutholakele kusekela ukuhlola into yokulandela umkhondo nendlela yokufunda umphumela ndawonye; akusunguli indlela eyodwa engathatha indawo yezinye kuwo wonke amaphakheji.
Olunye ucwaningo lokungena kukadayi olwanyatheliswa ngo-2000 lwasebenzisa i-FD&C Red No. 40, hhayi i-methylene blue, futhi lwaqhathanisa ukungena kukadayi nokwamagciwane kusetshenziswa amavayali anezindawo ezivulekile afakwe amashubhu amancane kakhulu. Ukuzwela okufanayo kulolo hlelo lokuhlola akwenzi zonke izinqubo zikadayi oluhlaza okwesibhakabhaka zilingane nokuhlola kusetshenziswa amagciwane.
Gcina imibuzo emine yekhwalithi yehlukene
Ukuvuza kwephakheji: Ingabe into ingawela umngcele wephakheji ngaphansi kwezimo zokuhlola? Ukungena kukadayi kunikeza ubufakazi obuphathelene nalo mbuzo.
Ubuqotho bomgoqo wamagciwane: Ingabe iphakheji ingagcina umgoqo wayo wamagciwane ezimweni ezifanele zokugcina nokusebenzisa? Ukuhlobanisa ukuhlola okungokomzimba nalesi simangalo kudinga isisekelo esifanele sokuqinisekisa ngokuhlolwa. Iziqondiso ze-FDA zokuhlola ubuqotho ezinqubweni zokuhlola ukuzinza zisekela izindlela eziqinisekiswe ngokuhlolwa zokubonisa ubuqotho obuqhubekayo bephakheji. Zikubeka ngokucacile ukuthi lokhu akuthathi indawo yokuhlola kokuqala kokungabi namagciwane komkhiqizo: iphakheji engenasici kungenzeka ukuthi yagcwaliswa ngento engcolisiwe.
Ama-pyrogen nama-endotoxin: Ukuhlola ukuvuza akukulinganisi lokhu kungcola. Iziqondiso ze-FDA zokulawula ukukhiqiza nezinqubo ziphatha ukungcoliswa amagciwane nokuhlola ama-pyrogen noma ama-endotoxin amagciwane njengezidingo zekhwalithi ezihlukene. Umphumela ongenambala kadayi awukwazi ukunikeza noma yisiphi salezi zilinganiso.
Ukuqina kwendawo yengilazi: Isiqukathi singamelana nokuvuza kuyilapho indawo yaso yangaphakathi iba nezinhlayiya noma ixebuka ibe izingqimba. Isahluko 1660 se-USP siphathelene nokuqina kwendawo yangaphakathi nokwakheka kwezinhlayiya zengilazi. Ukufaka umbala endaweni noma ukusebenzisa isibonakhulu ukuze kuphenywe ingilazi akufani nokubona udayi ungena kwivayali evaliwe.
Ekugcineni, ukuhlola ngomdayi emtholampilo kwemigudu engavamile nokuvuza ezingxenyeni zomzimba kunento ehlolwayo, inhloso, nendlela yokuchaza imiphumela ehlukile. Ukuhlola iphakheji yomkhiqizo wemithi akuhlinzeki ngenqubo yasemtholampilo. Phakathi kokusetshenziswa kwe-methylene blue ekuhlaziyeni, udayi lapha uyinto yokulandela umkhondo: isiphetho sincike endleleni yokudlula ehloliwe nasezilawulini zayo, hhayi nje ekubeni khona noma ekungabikho kombala oluhlaza okwesibhakabhaka.