Imininingwane Yamabhulogi
Ukubuka: 0 Umbhali: Isikhathi Sokushicilela Isihleli Sesayithi: 2025-03-19 Umsuka: Isayithi

Izigcwalisi ze -Poly-L-Lactic Acid ( PLLA ) ziye zashintsha imboni yezimonyo, zanikeza isisombululo esihlala isikhathi eside nesibukeka semvelo sokunciphisa imibimbi nokubuyisela umthamo wobuso. Ngokungafani nezigcwalisi zendabuko ze-hyaluronic acid (HA), Izigcwalisi ze-PLLA zikhuthaza ukukhiqizwa kwe-collagen , iqinisekisa ukuthuthuka kancane kancane nokusimeme ekuthunjweni kwesikhumba nokunwebeka. Okunye okukhathazayo okuyinhloko ngama-dermal fillers ukufuduka komkhiqizo , lapho into ejovwe isuka lapho ibekwe khona, okuholela emiphumeleni engalingani. Ngenhlanhla, izigcwalisi ze-PLLA zenzelwe ngokukhethekile ukuthi zihlale endaweni ngenkathi ziletha imiphumela emihle kakhulu yokugcwalisa imibimbi.

Ngokungafani nama-fillers asheshayo, i-PLLA isebenza njengesikhuthazi se -collagen kunokuba nje ijeli yokugcwalisa isikhala. Uma isijovwe, ama-microparticles e-PLLA aqala inqubo ebolayo ethatha kancane kancane indawo ye-collagen elahlekile ngokuhamba kwesikhathi. Lo mshini uvumela ukuthuthukiswa okungokwemvelo nokuqhubekayo kwesakhiwo sesikhumba, ukugwema ukubukeka 'kokugcwaliswa ngokweqile' okwenziwa okubonakala namanye ama-HA fillers.

Izigcwalisi ze-PLLA ziqukethe ama-microspheres abolayo amuncwa umzimba ngokuhamba kwesikhathi. Lawa ma-microspheres ahlala esendaweni ephathwayo, evuselela ama-fibroblasts ukukhiqiza i-collagen entsha. Ngokungafani nezigcwalisi ze-HA, ezingase zinyakaze ngenxa yokungaguquguquki kwazo okufana nejeli, izinhlayiya ze-PLLA zihlangana nezicubu ezizungezile, zivimbele ukufuduka.
Njengoba i-PLLA inganikezi ivolumu esheshayo, azikho izinto zokugcwalisa ngokweqile ezingafuduka. Esikhundleni salokho, i-collagen ikhiqizwa ngokuqondile lapho i-filler ijova khona, iqinisekisa umphumela wemvelo futhi ozinzile. Inqubo yokuvuselela i-collagen elawulwayo inciphisa ubungozi bokuqubuka noma ukungahambi kahle kwekholaji.
Izigcwalisi ze-PLLA zijovwa ngobuchule ku-dermis ejulile noma izendlalelo ezingaphansi kwesikhumba, lapho zifakwa khona ku-matrix yesikhumba. Lokhu kubekwa okujulile kuvimbela ukufuduka uma kuqhathaniswa nezigcwalisi ze-HA, ezijovelwa ku-dermis engaphezulu futhi ezingase zinyakaze ngaphansi kokunyakaza kwesikhumba.
Ubuchwepheshe bokumiswa obuyingqayizivele be-PLA buqinisekisa ukusatshalaliswa okulinganayo kwama-microspheres kuyo yonke indawo ephathwayo. Lokhu kuvimbela ukunqwabelana futhi kuqede amandla okususwa kwe-filler, okuholela ekuthuthukisweni okubushelelezi nokubukeka kwemvelo.
I-PLLA fillers ivuselela umzimba ukukhiqizwa kwe-collagen siqu , okusho ukuthi imiphumela ihlala iminyaka emibili noma ngaphezulu uma kuqhathaniswa nezigcwalisi ze-HA, ngokuvamile ezihlala izinyanga ezingu-6-12.
Ukuhamba kancane kancane kwesenzo se-PLA kuvimbela uguquko olungazelelwe, olubonakalayo oluvame ukubonakala nezinye izigcwalisi. Esikhundleni salokho, inqubo yokuvuselela isikhumba iyenzeka ngobuqili , okuholela ekubukekeni okungokwemvelo, kobusha.
Njengoba izigcwalisi ze-PLLA zihlangana nezicubu zomzimba kunokuthembela ku-matrix yejeli, ingcuphe yokufuduka okungafuneki noma ukufuduka iyancipha kakhulu.
Esikhundleni sokugcwalisa nje imibimbi , izigcwalisi ze-PLLA zisiza ukwakha kabusha i-collagen elahlekile, ukubuyisela ukuqina kwesikhumba nokunwebeka ngokuhamba kwesikhathi. Lokhu kubenza bafaneleke kubantu abahlangabezana nokulahlekelwa kwevolumu okuhlobene neminyaka.
Udokotela onekhono kufanele alandele indlela efanele yokuhlanjululwa kanye nomjovo ukuze aqinisekise imiphumela emihle. Imijovo ye-Microdroplet kuphethini efana negridi isiza ukusabalalisa ngokulinganayo izinhlayiya ze-PLLA.
Ngemuva kwenqubo, iziguli zelulekwa ukuthi zibhucucuze indawo ephathwayo imizuzu emi-5, izikhathi ezi-5 ngosuku, izinsuku ezi-5 ukuvimbela ukwakheka kwamaqhuqhuva nokuqinisekisa ukugqugquzelwa kwe-collagen efanayo.
Ngokungafani nezigcwalisi ze-HA, ezibonisa imiphumela esheshayo, izigcwalisi ze-PLLA zidinga izikhathi eziningi ezihlukaniswe amaviki ambalwa ukuze kutholwe umphumela omuhle kakhulu. Lokhu kuthuthukiswa okuhamba kancane kusiza ekugwemeni ukulungiswa ngokweqile nokuqinisekisa ukuthuthukiswa kwe-collagen yemvelo.

Izigcwalisi ze-PLA zilungele:
Abantu abanemibimbi ejulile noma ukuncipha kwevolumu
Abantu abafuna imiphumela ehlala isikhathi eside, yemvelo
Iziguli ezikhetha ukuthuthukiswa kancane kancane nokucashile
Labo abanokukhathazeka mayelana nokufuduka kokugcwalisa noma ukusatshalaliswa okungalingani
Izigcwalisi ze-PLA zinikeza enye indlela ephephile, esebenzayo, nengokwemvelo kumafayili esikhumba endabuko. Ikhono labo eliyingqayizivele lokuvuselela i-collagen ngenkathi ihlezi isendaweni yokwelapha iqinisekisa imiphumela engaguquki, engenazo ukufuduka . Ukuze iziguli ngifuna ukuncishiswa kwemibimbi isikhathi eside ngaphandle kwengozi yokufuduka komkhiqizo, izigcwalisi ze-PLLA zinikeza isisombululo esifanele. Hlala uthintana nomjovo oqeqeshiwe ukuze uqinisekise ukusetshenziswa okufanele kanye nomphumela omuhle kakhulu ongakhona.
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