Thaum nws los txog rau kev xa tshuaj, catheters yog cov cuab yeej siv kho mob tau ntau xyoo. Cov hlab ntsha nyias nyias no tau muab tso rau hauv cov hlab ntsha, cov hlab ntsha, lossis lub cev kab noj hniav kom xa cov tshuaj ncaj qha mus rau qhov chaw. Microcatheters, tshwj xeeb, yog tsim los nkag rau cov hlab ntsha me me lossis cov ducts nqaim uas tsis tuaj yeem ncav cuag nrog cov catheter loj dua. Lawv feem ntau siv nyob rau hauv kev cuam tshuam hluav taws xob, neurosurgery, thiab oncology kom xa cov kev kho mob qog noj ntshav lossis cov tshuaj embolization.
Txawm li cas los xij, tsis yog txhua yam tshuaj tuaj yeem siv los ntawm catheters. Qee cov tshuaj yog insoluble hauv dej lossis ntshav, ua rau nws nyuaj rau xa lawv mus rau qhov chaw tsom. Qhov no yog qhov uas DMSO tau tshaj microcatheters tuaj. DMSO, los yog dimethyl sulfoxide, yog ib tug heev polar organic solvent uas yuav yaj ntau yam khoom, nrog rau ntau yam tshuaj uas insoluble nyob rau hauv dej los yog ntshav. Los ntawm kev siv DMSOtau tshaj micro catheter, cov kws kho mob tuaj yeem xa cov tshuaj no ncaj qha mus rau qhov chaw tsom, txhim kho kev ua tau zoo thiab kev nyab xeeb ntawm kev kho mob.
DMSO tau tshaj micro catheters yog ua los ntawm cov ntaub ntawv uas sib haum nrog DMSO, xws li polytetrafluoroethylene (PTFE) los yog polyethylene (PE). Cov ntaub ntawv no yog inert rau DMSO thiab tsis hnov mob nrog cov tshuaj xa, ua kom cov tshuaj purity thiab stability. Tsis tas li ntawd, DMSO tau tshaj microcatheters muaj qhov tsis tshua muaj txiaj ntsig, txhais tau tias lawv tsis tso cov tshuaj phem rau hauv cov tshuaj.
Ib qho ntawm qhov zoo tshaj plaws ntawm DMSO tau tshaj microcatheters yog lawv cov khoom siv ntau yam. Lawv tuaj yeem siv los xa ntau yam tshuaj, suav nrog cov kws khomob, cov neeg ua haujlwm embolic, thiab cov neeg ua haujlwm sib txawv. Lawv kuj tuaj yeem siv rau hauv ntau cov txheej txheem, xws li chemoembolization, radioembolization, thiab transcatheter arterial chemoembolization (TACE). Ntxiv mus, lawv tau sib xws nrog ob qho tib si catheterization cov txheej txheem thiab cov txheej txheem tshiab minimally invasive, xws li detachable coil embolization thiab radiofrequency ablation.
Lwm qhov zoo ntawm DMSO tau tshaj microcatheters yog lawv txoj kev nyab xeeb. Los ntawm kev xa cov tshuaj ncaj qha mus rau qhov chaw tsom, cov kws kho mob tuaj yeem txo qhov ntau npaum li cas thiab txo qhov kev pheej hmoo ntawm kev mob tshwm sim. Tsis tas li ntawd, los ntawm kev siv DMSO tshaj micro catheter, cov kws kho mob tuaj yeem zam qhov kev xav tau ntawm cov kuab tshuaj los yog cov nqa khoom, uas yuav muaj lawv cov tshuaj lom thiab tsis zoo.
Hauv cov ntsiab lus, DMSO tau tshaj microcatheter yog cov cuab yeej kho mob tsim los xa cov tshuaj uas tsis muaj dej los yog ntshav. Nws yog tsim los ntawm cov ntaub ntawv uas sib haum nrog DMSO thiab muaj cov ntaub ntawv tsis tshua muaj txiaj ntsig kom ntseeg tau cov tshuaj purity thiab ruaj khov. Nws yog ntau yam, muaj kev nyab xeeb, thiab tuaj yeem siv ntau yam txheej txheem thiab cov txheej txheem. Los ntawm kev siv DMSO tshaj microcatheter, cov kws kho mob tuaj yeem txhim kho kev ua tau zoo thiab kev nyab xeeb ntawm kev xa tshuaj thiab muab cov txiaj ntsig zoo rau cov neeg mob.