Cov Ntsiab Lus Txhais Thiab Cov Ntsiab Lus Tseem Ceeb Ntawm Kev Kho Mob Microneedle

https://en.wikipedia.org/wiki/Microneedles

MicroneedleTxoj kev kho yog ib qho kev txiav-ntev me me invasive thev naus laus zis dav siv hauv kev kho kom zoo nkauj, kho mob, thiab kev lag luam tu tawv nqaij. Nws siv micron- nplai koob array cov qauv kom paub tias tsis yog - kev cuam tshuam ntawm daim tawv nqaij, kev xa tshuaj transdermal, thiab kho tawv nqaij thiab tu. Sib txawv ntawm kev txhaj tshuaj ib txwm siv, laser, thiab cov txheej txheem kho tawv nqaij sab nraud, nws tau tsim cov txheej txheem tshwj xeeb thiab daim ntawv thov zoo. Lub koob ntev siv hauv kev kho microneedle feem ntau yog li ntawm 10μm txog 2000μm. Cov koob me me thiab ntom ntom tuaj yeem nkag mus rau ntawm daim tawv nqaij stratum corneum barrier, mus txog qhov sib sib zog nqus epidermis thiab cov tawv nqaij tawv tawv, thaum tsis txhob muaj cov hlab ntsha ntom ntom thiab cov hlab ntsha hauv cov dermis, hauv paus ua kom muaj kev cuam tshuam me me thiab qis - kho mob. Lub tswv yim ntawm cov thev naus laus zis no tau tshaj tawm thawj zaug hauv xyoo 1958. Tom qab ntau xyoo ntawm kev rov ua dua tshiab hauv micro-electromechanical technology, nws tau ua tiav kev lag luam tom qab xyoo 1990. Niaj hnub no, nws tau dhau los ua cov thev naus laus zis tseem ceeb uas npog ntau yam xws li tshuaj zoo nkauj, tsev muag tshuaj, kho qhov txhab, thiab xa tshuaj tiv thaiv.

Cov txheej txheem tseem ceeb ntawm kev kho microneedle yog nyob rau hauv kev tsim kho ntawm lub cev microchannels, ua kom cov tawv nqaij tus kheej - kho, thiab cov khoom xa tuaj. Cov khoom siv tshuaj pleev ib ce sab nraud thiab cov tshuaj raug thaiv los ntawm daim tawv nqaij stratum corneum, nrog rau kev nkag mus ntawm tsawg dua 10%, ua rau nws nyuaj rau kev ua haujlwm tseem ceeb. Nyob rau hauv sib piv, microneedle therapy tsim ib tug loj tus naj npawb ntawm reversible micron- nplai microchannels ntawm daim tawv nqaij nto los ntawm ntom me me koob, uas yuav tsis ua rau loj - cheeb tsam qhov txhab thiab caws pliav, tab sis tuaj yeem txhim kho kev nkag mus ntawm cov khoom xyaw nquag. Meanwhile, me ntsis mechanical stimulation ntawm koob ntawm daim tawv nqaij tuaj yeem ua rau daim tawv nqaij tus kheej - kho mechanism, txhawb lub regeneration ntawm collagen thiab elastic fibers, accelerate daim tawv nqaij metabolism, thiab ua tau ntau yam teebmeem xws li kho, tiv thaiv - laus, thiab daim tawv nqaij rejuvenation. Raws li cov khoom siv, cov qauv thiab cov qauv siv, kev kho microneedle tau muab faib ua plaub yam tseem ceeb: cov khoom siv microneedles, hollow microneedles, dissolvable microneedles, thiab coated microneedles, yoog raws li kev kho mob thiab kev tu cov kev xav tau ntawm cov xwm txheej sib txawv.

Core Technical Advantages ntawm Microneedle Therapy

Ua ntej, nws yog minimally invasive, nyab xeeb thiab dav adaptable. Kev kho mob microneedle yuav tsum tsis muaj kev phais thiab ua rau tsis muaj qhov mob loj - thaj tsam qhov txhab, tsuas yog ib ntus microchannels ntawm daim tawv nqaij. Nws tawm tsis muaj caws pliav lossis liab liab thiab o tom qab ua haujlwm, tsim nyog rau txhua hom tawv nqaij thiab teeb meem ntawm daim tawv nqaij rau cov neeg ntawm txhua lub hnub nyoog, zam kev raug mob ntawm kev phais kev zoo nkauj. Thib ob, nws nta kev nkag siab siab thiab ua haujlwm tau zoo dua ob npaug. Kev rhuav tshem lub cev ua rau muaj kev nkag siab zoo ntawm kev tu tawv nqaij thiab cov khoom siv tshuaj ntsuab los ntawm 5 mus rau 10 zaug, daws qhov mob ntawm kev lag luam taw tes tias cov khoom siv sab nraud tsuas yog nyob ntawm daim tawv nqaij thiab siv tau maj mam. Thib peb, nws paub txog kev txhawb zog dual thiab kev ua haujlwm sab hauv thiab sab nraud. Nws tuaj yeem tsis tsuas yog xa cov khoom xyaw nquag kom raug rau kev kho mob tab sis kuj tseem qhib cov tawv nqaij tus kheej - kho lub peev xwm los txhim kho daim tawv nqaij zoo hauv paus, txawv ntawm ib qho kev ua tau zoo ntawm daim ntawv thov sab nraud yooj yim lossis txhaj tshuaj. Plaub, nws yooj yim rau kev khiav lag luam nrog lub sijhawm luv luv. Cov txheej txheem kev ua haujlwm yog yooj yim, tsis muaj cov cuab yeej siv thiab cov chav ua haujlwm tshaj lij. Tsuas yog luv luv- lub sij hawm kev saib xyuas yooj yim yog xav tau tom qab kev kho mob, tsis muaj kev cuam tshuam rau kev ua haujlwm niaj hnub thiab lub neej, ua raws li kev xav tau ntawm kev siv hnyav. Thib tsib, nws muaj zog compatibility thiab siab combinability. Nws tuaj yeem sib xyaw nrog ntau yam khoom xyaw rau dej lub teeb txhaj tshuaj, ntxuav hniav dawb, tiv thaiv - mob thiab kho, yoog raws cov tawv nqaij sib txawv nrog qhov chaw kho mob zoo heev.

Daim ntawv thov tseem ceeb ntawm Microneedle Therapy

Hauv kev saib xyuas tawv nqaij hauv pej xeem, kev kho microneedle yog qhov haujlwm tseem ceeb rau kev kho pob txuv, qhov pore contraction, nplua wrinkle fading thiab daim tawv nqaij brightening, dav siv nyob rau hauv siab - kawg tsev kho mob daim tawv nqaij thiab cov khoom siv tu tawv nqaij hauv tsev. Hauv kev kho mob, nws tuaj yeem siv rau kev pabcuam kev kho mob ntawm daim tawv nqaij, paub txog cov tshuaj xa mus rau pob txuv, hormonal ntsej muag, pigmentation thiab lwm yam teeb meem. Hauv kev lag luam kws kho mob, vam khom rau cov tshuaj transdermal xa cov txiaj ntsig zoo, nws yog siv rau kev kho mob sab nraud ntawm cov kab mob ntev thiab cov tshuaj tiv thaiv hauv zos - kev xa tshuaj. Hauv thaj chaw kho mob zoo nkauj, nws yog qhov kev ua haujlwm zoo tshaj plaws rau kev kho mob lub teeb los tiv thaiv - kev laus, kho daim tawv nqaij thiab txhim kho daim tawv nqaij zoo, tuav ib feem tseem ceeb ntawm lub teeb kho mob kev zoo nkauj lag luam. Lub caij no, thev naus laus zis tau txuas ntxiv mus rau ntu ntu xws li kev txhaj tshuaj tiv thaiv kab mob transdermal, kho qhov txhab thiab kho tsiaj, nrog rau kev lag luam muaj zog ntau yam.

General Manufacturing Txheej txheem ntawm Microneedle Therapy

Cov khoom siv tseem ceeb ntawm kev kho microneedle yog cov khoom siv microneedle array nrog cov txheej txheem siab heev thiab ua kom zoo zoo. Thawj kauj ruam yog xaiv cov khoom siv. Cov ntaub ntawv tseem ceeb suav nrog kev kho mob stainless hlau, monocrystalline silicon, PLA (polylactic acid) thiab PCL (polycaprolactone). Cov xwm txheej kho mob tseem ceeb tshaj plaws ntawm cov khoom siv biomaterials, thaum cov txheej txheem tu tawv nqaij zoo nkauj txais cov khoom sib npaug hardness thiab kev nyab xeeb. Cov kauj ruam thib ob yog raw khoom pretreatment, nrog rau kev ua kom huv, shaping, tshem tawm plua plav thiab aseptic kho kom tshem tawm cov khoom tsis huv thiab xyuas kom biocompatibility. Qhov thib peb kauj ruam yog tsim ua. Hlau thiab silicon-raws li microneedles txais yuav photolithography, etching thiab polishing txheej txheem, thaum polymer degradable microneedles txais precision pwm txhaj molding thiab pouring txoj kev. Qhov thib plaub yog koob tip refinement. Laser ablation, precision mechanical sib tsoo thiab tshuaj etching yog siv los txhuam cov lus qhia rau micron - qib fineness thiab xyuas kom meej puncture. Kauj ruam tsib yog kev hloov kho saum npoo. Plasma txheej, tshuaj txheej thiab kev hloov kho hydrophilic yog siv los txhim kho kev nyab xeeb, tshuaj tso tawm muaj peev xwm thiab haum qib ntawm microneedles. Cov kauj ruam thib rau yog kev soj ntsuam zoo, kuaj qhov ntev, qhov sib nrug, hardness thiab sterility ntawm microneedles kom tshem tawm cov khoom puas. Lub xya kauj ruam yog aseptic sib dhos thiab ntim khoom, txuam nrog cov hauv paus, thaj ua rau thaj thiab lwm yam khoom siv rau kev ntim khoom tsis muaj menyuam. Thaum kawg, ua kom tsis muaj menyuam ua tiav ntawm ethylene oxide lossis gamma ray irradiation kom muaj kev nyab xeeb hauv chaw kho mob.