Fractional laser tsis yog cov cuab yeej laser tshiab, tab sis hom kev ua haujlwm ntawm laser
Lub lattice laser tsis yog cov cuab yeej laser tshiab, tab sis yog hom kev ua haujlwm ntawm laser. Raws li ntev raws li txoj kab uas hla ntawm lub laser beam (qhov chaw) yog tsawg tshaj li 500um, thiab lub laser beam yog tsis tu ncua nyob rau hauv ib tug lattice duab, lub laser ua hauj lwm hom ntawm lub sij hawm no nws yog ib tug fractional laser.
Lub hauv paus ntsiab lus ntawm fractional laser kev kho mob tseem yog lub hauv paus ntsiab lus ntawm kev xaiv photothermal kev txiav txim, uas yog hu ua lub hauv paus ntsiab lus ntawm fractional photothermal kev txiav txim: cov tsoos loj-scale laser ablation txiav txim txoj kev yog kho kom lub cheeb ntawm lub laser beam (qhov chaw) yog tsawg dua. 500um, thiab lub laser beam Tsis tu ncua nyob rau hauv ib lub lattice, txhua taw tes plays ib tug photothermal nyhuv, thiab muaj ib txwm cov tawv nqaij hlwb ntawm cov ntsiab lus, uas plays lub luag hauj lwm ntawm cov ntaub so ntswg kho thiab kho.
Carbon dioxide fractional laser kho cov caws pliav
Lub wavelength ntawm lub laser yog ze ze rau nws cov nyhuv. CovCO2 laser tshuabtuaj yeem muab qhov "zoo tshaj" wavelength. Lub CO2 fractional laser tuaj yeem ua rau muaj kev txwv thiab tswj tsis tau caws pliav, tshem tawm ib feem ntawm cov caws pliav, kev puas tsuaj thiab cuam tshuam cov hlab ntsha hauv cov caws pliav, thiab induce fibroblasts. Apoptosis, txhawb kev tsim kho thiab rov tsim kho ntawm collagen fibers, nws lub zog siab tshaj plaws yog qhov loj, qhov kub ntawm sab kev puas tsuaj yog me me, cov ntaub so ntswg vaporized yog qhov tseeb, kev puas tsuaj rau cov ntaub so ntswg ib puag ncig yog lub teeb, thiab laser qhov txhab tuaj yeem kho tau. 3-5 hnub, ua rau hyperpigmentation lossis hypopigmentation thiab lwm yam teeb meem Nws tsis tshua muaj kev kuaj pom tus kab mob, thiab txhim kho qhov tsis zoo ntawm cov tshuaj tiv thaiv loj (pob txha, erythema, lub sij hawm rov qab ntev, thiab lwm yam) thiab insignificant curative nyhuv nyob rau hauv lub laser non-fractional hom, uas qhia tau hais tias curative nyhuv ntawm laser kev kho mob ntawm caws pliav yog ho txhim kho, thiab txoj kev pheej hmoo ntawm tus kab mob yog tsawg. Qhov kom zoo dua ntawm kev kho mob tom qab tau yooj yim, qhia txog cov txheej txheem rov qab los ntawm "scar → tawv".
Fractional laser tau zoo tam sim ntawd thiab mus sij hawm ntev kev nyab xeeb thiab ua tau zoo tshaj ablative Er laser, non-ablative laser thiab tshuaj tev tawm, yog li carbon dioxide fractional laser yog heev saib rau kev kho caws pliav.
Tam sim no, cov lus qhia rau carbon dioxide fractional laser kho ntawm nti tau nthuav dav piv nrog cov txheej txheem ib txwm muaj.
Thaum ntxov CO2 laser kev kho ntawm nti yog tsuas yog haum rau superficial mature scars. Tam sim no, cov lus qhia rau carbon dioxide fractional laser kho ntawm nti yog: ① Kev kho cov kab nrib pleb, hypertrophic scars thiab me me contracture nti. ② Cov txheej txheem kho qhov txhab thiab daim ntawv thov thaum ntxov tom qab kho tuaj yeem hloov cov txheej txheem physiological ntawm qhov txhab kho thiab tiv thaiv qhov caws pliav ntawm qhov txhab. ③ Cov kab mob ntawm daim tawv nqaij, qhov txhab thiab qhov txhab mob ntev, qhov txhab hlawv qhov txhab.
Cov pa roj carbon dioxide fractional laser kho cov nti yuav tsum tau kho ib zaug txhua 3 lub hlis lossis ntau dua
Cov pa roj carbon dioxide fractional laser kho cov nti yuav tsum tau ua ib zaug txhua 3 lub hlis lossis ntev dua. Lub hauv paus ntsiab lus yog: tom qab CO2 fractional laser kho, nws yuav siv sij hawm ib lub sij hawm rau lub qhov txhab los kho thiab kho. Hauv lub hlis thib 3 tom qab kev kho mob, cov ntaub so ntswg kab mob tom qab kev kho mob rov qab mus rau lub xeev ze rau cov ntaub so ntswg. Clinically, nws tuaj yeem pom tias qhov tsos ntawm qhov txhab ntawm qhov txhab yog qhov ruaj khov, tsis muaj qhov liab thiab tsis muaj xim. Lub sijhawm no, nws yog qhov zoo dua los txiav txim siab dua raws li kev rov qab los ntawm qhov txhab ntawm qhov txhab. parameters ntawm kev kho mob kom ua tiav cov txiaj ntsig zoo. Qee cov kws tshawb fawb tau rov kho dua thaum lub sijhawm 1-2 lub hlis. Los ntawm qhov kev xav ntawm kev kho qhov txhab, tsis muaj teeb meem hauv kev kho qhov txhab, tab sis nyob rau hauv cov nqe lus ntawm kev ruaj ntseg ntawm qhov txhab rov qab thiab qhov ua tau ntawm kev txiav txim siab ntawm qhov kev kho mob, nws tsis zoo li lub sijhawm 3. Nws yog qhov zoo dua rau kev kho mob. ib hlis ib zaug. Qhov tseeb, cov txheej txheem ntawm kev kho qhov txhab thiab kho cov ntaub so ntswg yuav siv sij hawm ntev dua, thiab nws yog qhov zoo dua los kho dua ntawm lub sijhawm ntau dua 3 lub hlis.
Kev ua tau zoo ntawm carbon dioxide fractional laser kho ntawm nti yog cuam tshuam los ntawm ntau yam
Kev ua tau zoo ntawm cov pa roj carbon dioxide laser kho rau cov caws pliav yog qhov tseeb, tab sis nws cov txiaj ntsig tau cuam tshuam los ntawm ntau yam, thiab qee qhov kev kho tsis zoo yuav tshwm sim, ua rau qee tus kws kho mob thiab qee tus neeg mob tsis ntseeg nws cov txiaj ntsig.
①Qhov cuam tshuam ntawm kev kho laser ntawm cov nti yog nyob ntawm ob sab: ntawm ib sab, tus kws kho mob cov cuab yeej kho mob thiab kev txais yuav txoj kev kho kom tsim nyog; ntawm qhov tod tes, nws yog tus kheej kho lub peev xwm ntawm tus neeg mob caws pliav.
② Thaum lub sijhawm kho, kev sib xyaw ua ke ntawm ntau lub lasers yuav tsum raug xaiv raws li qhov pom ntawm qhov caws pliav, lossis tib lub laser yuav tsum tau hloov mus rau lub taub hau kho thiab kho cov kev kho raws li xav tau.
③ Kev kho mob ntawm qhov txhab tom qab kev kho mob laser yuav tsum tau ntxiv dag zog, xws li niaj hnub siv tshuaj tua kab mob qhov muag tshuaj pleev thiab lub raj loj hlob kom tiv thaiv kab mob thiab txhawb kev kho qhov txhab.
④Nws tseem yuav tsum tau xaiv ib txoj kev kho tus kheej raws li qhov caws pliav, thiab muab kev phais, elastic compression therapy, radiotherapy, intra-scar txhaj ntawm cov tshuaj hormones steroid, cov khoom siv silicone gel thiab siv cov tshuaj sab nraud los txhim kho cov nyhuv curative, thiab siv. dynamic kev tiv thaiv kab mob thiab kev kho mob. kho.
Cov txheej txheem los txhim kho cov nyhuv curative ntawm carbon dioxide fractional laser kho ntawm nti
Cov yam ntxwv morphological ntawm nti muaj ntau haiv neeg, thiab cov kev kho mob tsim nyog yuav tsum tau xaiv raws li tus yam ntxwv ntawm nti.
① Lub laser fractional superficial hom yog siv rau cov caws pliav tiaj tus, thiab qhov sib sib zog nqus fractional laser hom yog siv rau me ntsis sunken nti.
②Scars uas me ntsis protrude ntawm daim tawv nqaij saum npoo los yog tsa cov tawv nqaij nyob ib ncig ntawm lub pits yuav tsum tau ua ke nrog lub hyperpulse hom thiab lub lattice hom.
③ Rau qhov pom tseeb ntawm qhov caws pliav, cov khoom siv hluav taws xob fractional laser siv, thiab qhov tob ntawm laser nkag yuav tsum ua raws li qhov tuab ntawm qhov caws pliav.
④ Cov caws pliav uas pom tseeb los yog tsa, thiab nti nrog kev cog lus deformity yuav tsum tau hloov kho lossis thinned los ntawm kev phais ua ntej, thiab tom qab ntawd kho nrog fractional laser tom qab kev phais.
⑤ Intra-scar txhaj lossis lwm daim ntawv thov ntawm triamcinolone acetonide lossis Deprosone (laser-qhia tshuaj kho mob) yuav tsum tau muab ntxiv rau tib lub sijhawm ntawm kev kho laser rau qhov pom tseeb ntawm qhov caws pliav lossis qhov chaw caws pliav.
⑥ Kev tiv thaiv thaum ntxov ntawm caws pliav hyperplasia tuaj yeem ua ke nrog PDL, 560 nmOPT, 570 nmOPT, 590 nmOPT, thiab lwm yam. txhawm rau tiv thaiv vascular hyperplasia hauv nti raws li qhov caws pliav. Ua ke nrog cov kev kho mob zoo xws li tshuaj kho-txhim kho, elastic compression therapy, lub cev hluav taws xob kho, silicone gel khoom thiab lwm yam kev siv tshuaj, dynamic comprehensive kev kho mob rau caws pliav thiab kev kho mob yog siv los txhim kho cov nyhuv curative.
Cov pa roj carbon dioxide fractional laser muaj cov txiaj ntsig zoo kawg nkaus ntawm cov caws pliav, thiab txhawb kev hloov pauv ntawm daim tawv nqaij caws pliav mus rau cov tawv nqaij uas muaj teeb meem tsawg dua.
Cov pa roj carbon dioxide laser kev kho cov nti tuaj yeem txhim kho cov tsos mob thiab cov tsos mob ntawm cov caws pliav, thiab txhim kho cov tsos ntawm cov caws pliav. Raws li ib txwm muaj, cov kev ua ntawm cov caws pliav tuaj yeem txhim kho nyob rau ob peb teev tom qab kev kho mob, qhov khaus ntawm qhov caws pliav tuaj yeem txhim kho nyob rau ob peb hnub, thiab xim thiab kev ntxhib los mos ntawm caws pliav tuaj yeem txhim kho tom qab 1-2 lub hlis. Tom qab rov kho dua, nws yuav tsum rov qab mus rau qhov qub ntawm daim tawv nqaij los yog ze rau lub xeev ntawm daim tawv nqaij, kev kho thaum ntxov, cov nyhuv zoo dua.
Cov teeb meem tseem ceeb ntawm cov pa roj carbon dioxide fractional laser hauv kev tiv thaiv thiab kho cov caws pliav suav nrog lub sijhawm luv erythema, kab mob, hyperpigmentation, hypopigmentation, khaus hauv zos, thiab daim tawv nqaij necrosis.
Feem ntau, cov pa roj carbon dioxide fractional laser muaj kev nyab xeeb thiab siv tau zoo hauv kev tiv thaiv thiab kho cov caws pliav, nrog cov teeb meem me me los yog tsawg dua.
Lub sij hawm xa tuaj: Plaub Hlis-20-2022
