Okwu Mmalite PVA Sponge

Polyvinyl mmanya ọgwụ ọkwa microporous sponge bụ ụdị polymer ihe nwere ọmarịcha arụmọrụ yana oke dị nro mgbe ị na-akpọtụrụ ahụ mmadụ, nke nwere ike imebi kpamkpam.Ya magburu onwe suction arụmọrụ bụghị nanị na ngwa ngwa suction ọnụego, ma na-egosipụta na ya ibu suction ruru.N'ọnọdụ nkịtị, otu gram sponge PAV nwere ike ịmịnye ihe karịrị okpukpu asaa karịa mmiri ahụ ya.Ya mere, a na-eji ụdị ihe a eme ihe n'ọtụtụ ebe n'ịwa ahụ nke oge a iji dochie owu nke na-amịkọrọ ọnụ na gauze mebiri emebi, a na-ejikwa ya na ịwa ahụ nke mba ụwa.
Polyvinyl mmanya ọgwụ-ọkwa macroporous sponge suction mmiri nwere ọmarịcha arụmọrụ, ọnụ ọgụgụ mmeghe dị elu, ike dị elu, na elu dị nro nke ukwuu mgbe ọ na-akpakọrịta na ahụ mmadụ.A na-eji ya eme ihe n'ọtụtụ ebe na ịwa ahụ trauma nke ụlọ ọgwụ, karịsịa na mpaghara nke nrụgide na-adịghị mma.sponge macroporous mkpofu nwere ike imebi kpamkpam na ọ gaghị ebute nsogbu mmetọ na gburugburu ebe obibi.N'ozuzu, otu gram nke PAV macroporous sponge na-enweghị ihe mgbakwunye nwere ike ịmịkọrọ mmiri ihe karịrị okpukpu itoolu.A na-eji ụdị ihe a na-eji dochie owu na-amị amị na gauze na-amị amị n'ime ọrụ ịwa ahụ, nke nwere ike dozie nsogbu nke owu na-amị amị ma ọ bụ gauze na-amị amị chọrọ ka edochie ya mgbe niile na ọrụ ụlọ ọgwụ.
A na-eji ogbo polyvinyl mmanya ọgwụ polyvinyl mmanya molecular yinye a gwọrọ site n'aka ndị na-ejikọ ọnụ, na-enweghị fiber filament ma ọ bụ isi fiber, ọ gaghị enwekwa eriri ga-adapụ n'ọrụ.N'oge ịwa ahụ anya, ntị, imi na akpịrị, ụbụrụ neurosurgery craniotomy na ịwa ahụ obi thoracic, ọ naghị emetụta ọnya ọnya n'ihi ịwụfu eriri.Dị ka usoro ọgwụgwọ dị iche iche si dị, ọ bụrụ na a na-ebuba ihe ndị kwesịrị ekwesị na sponge, ọ pụkwara ịkwalite ọgwụgwọ ọnya.N'otu oge ahụ, sponge nwere ezigbo ihe eji arụ ọrụ ma nwee ike ịhazi ya n'ụdị dị iche iche dịka mkpa ịwa ahụ dị iche iche si dị.Ogbo na-aṅụ ọbara ma ọ bụ mkpanaka sponge n'ụdị ube a na-eji karịsịa na microsurgery, nke nwere ike ịmịnye ọbara ọgbụgba na-ahụ anya ngwa ngwa ma hụ na ọrụ ahụ ziri ezi.
Mpịakọta dezie usoro nkebi a
E nwere tumadi usoro ịfụfụ anụ ahụ, ntutu na-afụ ụfụfụ kemịkalụ na ngwakọta anụ ahụ na kemịkal nke usoro ụfụfụ ụzọ atọ.Mana ugbu a, teknụzụ mmepụta nke ihe na-amịpụta sponge PVA na-anabatakarị usoro ịfụfụ starch azụ.Nke ahụ bụ, a na-ebu ụzọ jupụta starch na ngwọta PVA na okpomọkụ kwesịrị ekwesị, mgbe ahụ, a na-asacha starch ahụ mgbe ejiri PVA gafere ma sie ike na okpomọkụ.Mgbe a na-eji usoro a eme ihe na mmepụta ihe, mmetọ gburugburu ebe obibi dị njọ, usoro ọgwụgwọ na-esote dị ogologo, starch enweghị ike ihicha kpamkpam, na starch na acid catalyst enweghị ike ịmegharị ya nke ọma, nke na-adịghị mma iji chekwaa ihe onwunwe. na ịcha ego.
Mpịakọta dezie usoro mmepụta ngalaba a
E nwere tumadi ntutu isi ụfụfụ, ntutu na-afụ ụfụfụ kemịkalụ yana ngwakọta anụ ahụ na kemịkalụ nke usoro ụfụfụ nke ụzọ atọ.Mana ugbu a, teknụzụ mmepụta nke ihe na-amịpụta sponge PVA na-anabatakarị usoro ịfụfụ starch azụ.Nke ahụ bụ, a na-ebu ụzọ jupụta starch na ngwọta PVA na okpomọkụ kwesịrị ekwesị, mgbe ahụ, a na-asacha starch ahụ mgbe ejiri PVA gafere ma sie ike na okpomọkụ.Mgbe a na-eji usoro a eme ihe na mmepụta ihe, mmetọ gburugburu ebe obibi dị njọ, usoro ọgwụgwọ na-esote dị ogologo, starch enweghị ike ihicha kpamkpam, na starch na acid catalyst enweghị ike ịmegharị ya nke ọma, nke na-adịghị mma iji chekwaa ihe onwunwe. na ịcha ego.


Oge nzipu: Nov-03-2022