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Iimboniselo: 0 uMbhali: Ixesha lokupapasha loMhleli weSiza: 2025-03-19 Imvelaphi: Isiza

Iifayili ze -Poly-L-Lactic Acid ( PLLA ) ziye zaguqula imboni yezimonyo, zibonelela ngesisombululo esihlala ixesha elide kunye nesendalo sokunciphisa imibimbi kunye nokubuyisela umthamo wobuso. Ngokungafaniyo nezizalisi ze-hyaluronic acid (HA) zemveli, Izihluzi ze-PLLA zivuselela imveliso ye-collagen , iqinisekisa uphuculo oluthe ngcembe kunye noluzinzileyo kubume bolusu kunye nokuqina. Enye yeenkxalabo eziphambili kunye ne-dermal fillers kukufuduka kwemveliso , apho i-injection ye-injected isuka kwindawo yokuqala, ekhokelela kwiziphumo ezingalinganiyo. Ngethamsanqa, izigcwalisi zePLLA ziyilelwe ngokukodwa ukuba zihlale kwindawo ngelixa zizisa iziphumo ezigqwesileyo zokuzalisa imibimbi.

Ngokungafaniyo nokuzalisa iifayili ngokukhawuleza, i-PLLA isebenza njenge- collagen stimulator kunokuba nje ijeli yokuzalisa indawo. Emva kokuba ifakwe, i-PLLA microparticles iqalisa inkqubo ye-biodegradable ethi ngokuthe ngcembe ithathe indawo ye-collagen elahlekileyo ngokuhamba kwexesha. Lo matshini uvumela ukuphucuka kwendalo kunye nenkqubela phambili kwisakhiwo solusu, ukuthintela ukubonakala 'kokugcwaliswa ngaphezulu' okwenziweyo kubonwa kunye nezinye izizalisi ze-HA.

Iifayili ze-PLLA zibandakanya ii-microspheres ezinokuguquguquka ezifunxwa ngumzimba ngokuhamba kwexesha. Ezi microspheres zihlala zihlala kwindawo ephathwayo, zivuselela i-fibroblasts ukuvelisa i-collagen entsha. Ngokungafaniyo ne-HA fillers, enokuthi ihambe ngenxa ye-gel-like consistency, ii-PLLA particles zidibanisa kunye nezicubu ezijikelezayo, zikhusela ukufuduka.
Kuba i-PLA ayiboneleli ngevolumu kwangoko, akukho zixhobo zokuzalisa ezingaphezulu ezinokufuduka. Kunoko, i-collagen ikhiqizwa ngokuchanekileyo apho i-filler ifakwe khona, iqinisekisa umphumo wendalo kunye nozinzile. Inkqubo yokuvuselela i-collagen elawulwayo inciphisa umngcipheko wokuguga okanye izitenxo zecontour.
I-PLLA fillers ifakwe ngokucwangcisiweyo kwi-dermis enzulu okanye i-subcutaneous layers, apho ifakwe khona kwi-matrix yesikhumba. Oku kufakwa okunzulu kuthintela ukufuduka xa kuthelekiswa nokuzaliswa kwe-HA, ezifakwe kwi-dermis engaphezulu kwaye inokutshintsha phantsi kwentshukumo yesikhumba.
Itekhnoloji ekhethekileyo yokunqunyanyiswa kwe-PLA iqinisekisa ukuhanjiswa ngokulinganayo kwe-microspheres kuyo yonke indawo ephathwayo. Oku kuthintela ukudityaniswa kunye nokuphelisa amandla okufuduswa kwesigcwalisi, okukhokelela kuphuculo olugudileyo kunye nembonakalo yendalo.
Iifayili ze-PLLA zivuselela umzimba imveliso ye-collagen yakhe , oku kuthetha ukuba iziphumo zihlala ukuya kwiminyaka emibini okanye ngaphezulu xa kuthelekiswa ne-HA fillers, ehlala ihlala kwiinyanga ze-6-12.
Ubume obucothayo besenzo se-PLA kuthintela inguqu ekhawulezileyo, eqaphelekayo ehlala ibonwa nezinye izigcwalisi. Kunoko, inkqubo yokuvuselela ulusu iyenzeka ngokufihlakeleyo , ekhokelela kwimbonakalo yendalo, yolutsha.
Ekubeni i-PLLA fillers idibanisa kunye nezicubu zomzimba kunokuba zithembele kwi-gel matrix, umngcipheko wokufuduka okungafunekiyo okanye ukufuduka kuyancipha kakhulu.
Endaweni yokuzalisa nje imibimbi , izihluzi ze-PLLA zinceda ukwakha kwakhona i-collagen elahlekileyo, ukubuyisela ukuqina kolusu kunye nokunwebeka ngokuhamba kwexesha. Oku kubenza balungele abantu abafumana ilahleko yevolumu enxulumene nobudala.
Ugqirha onobuchule kufuneka alandele indlela efanelekileyo yokuhlanjululwa kunye nenaliti ukuqinisekisa iziphumo ezizezona zilungileyo. I-Microdroplet injections kwi-grid-like pattern inceda ngokulinganayo ukusabalalisa amaqhekeza e-PLLA.
Emva kwenkqubo, izigulane zicetyiswa ukuba zihlanjululwe indawo ephathwayo imizuzu emi-5, amaxesha ama-5 ngosuku, iintsuku ezi-5 ukukhusela ukubunjwa kwamaqhuqhuva kunye nokuqinisekisa ukukhuthazwa kwe-collagen efanayo.
Ngokungafaniyo nezihluzi ze-HA, ezibonisa iziphumo ezikhawulezayo, izihluzi ze-PLLA zifuna iiseshini ezininzi ezihlukaniswe iiveki ezininzi ukufezekisa esona siphumo silungileyo. Olu phuculo oluhamba phambili lunceda ekuthinteleni ukulungiswa ngokugqithisileyo kunye nokuqinisekisa uphuhliso lwendalo lwe-collagen.

Izihluzi zePLA zilungele:
Abantu abanemibimbi enzulu okanye ukulahleka komthamo
Abantu bafuna ixesha elide, iziphumo zendalo
Izigulane ezikhetha ukuphuculwa kancinci kunye nobuqili
Abo banenkxalabo malunga nokufuduka kwe-filler okanye ukusabalalisa okungalinganiyo
Izihluzi ze-PLA zibonelela ngendlela ekhuselekileyo, esebenzayo, kunye nendalo engenye kwiifilisi zedermal zemveli. Ikhono labo elikhethekileyo lokuvuselela i-collagen ngelixa lihlala lihlala kwindawo yonyango liqinisekisa ukuhambelana, iziphumo ezingenayo imfuduko . Kubaguli abafuna ixesha elide lokunciphisa imibimbi ngaphandle komngcipheko wokufuduka kwemveliso, iifayili ze-PLLA zibonelela ngesisombululo esifanelekileyo. Njalo jongana ne-injector efanelekileyo ukuqinisekisa isicelo esifanelekileyo kunye nesiphumo esihle kakhulu.
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