Kev hnav khaub ncaws kho mob yog ib qho khoom uas siv los qhwv lub qhov txhab kom npog cov khoom siv kho mob uas tsis raug mob, lossis lwm yam kev raug mob.
Nrog rau hauv - qhov tob ntawm lub qhov txhab zoo ntawm kev kho kom zoo thiab muaj peev xwm txuas ntxiv, uas ua rau kev txhim kho txuas ntxiv thiab kev txhim kho ntawm cov khaub ncaws hnav.
Thawj, passive hnav khaub ncaws
Passively npog lub qhov txhab thiab nqus cov exudate, xws li lub txiv ntawd lub ntuj, paj rwb mats thiab lwm yam.
Ntuj Gauze Nov yog qhov ntxov tshaj plaws thiab feem ntau hom hnav khaub ncaws siv.
Nws cov ntsiab lus tseem ceeb yog:
1, muaj zog thiab kev nqus sai ntawm qhov txhab
2. Cov Khoom Siv Nyiaj Txiag
3, Cov txheej txheem thiab kev ua haujlwm yog yooj yim
Lub ntsiab drawbacks yog:
1, lub ermeability dhau lawm, yooj yim kom lub qhov txhab tsis tu ncua
2, adhesion rau lub qhov txhab, hloov chaw los ntawm re ...-}} kev puas tsuaj
3, Ib puag ncig ib puag ncig sab nraud yooj yim kom dhau mus, hla kev hloov kis tau zoo 4, kev hloov pauv ntau zaus, mob siab}
Ii. Kev sib cuam tshuam cov khaub ncaws muaj ntau cov kev sib cuam tshuam ntawm kev hnav khaub ncaws thiab lub qhov txhab, tiv thaiv tus ntoo khaub ncaws sab nraud, tiv thaiv tus ntoo khaub lig-}}} tus kab mob ntawm lub qhov txhab, thiab lwm yam.
Xws li ntau {- polymer hnav ris tsho, foaming polymer hnav ris tsho, cov dej colloidal cov khaub ncaws, alginate hnav khaub ncaws.
Ntau - poly zaj duab xis hnav ris tsho
Qhov no yog chav kawm ntawm kev hnav khaub ncaws ntxiv, nrog pa roj Oxygen, thiab lwm txoj kev ntawm cov plua plav txawv teb chaws thiab cov kab mob sib txawv tsis tuaj yeem hla cov yam ntxwv.
Yog li ntawd, hom kev hnav khaub ncaws muaj cov txiaj ntsig hauv qab no:
1, thaiv cov kab mob ib puag ncig kom ntxeem qhov txhab, kom tiv thaiv tus ntoo khaub lig-}} tus kab mob.
2, noo noo, yog li ntawd lub qhov txhab noo, yuav tsis lo rau lub qhov txhab thiab yuav tsis tsim cov hloov thaum lub tshuab puas tsuaj.
3, Muaj tus kheej - to taub, yooj yim siv, thiab pob tshab, yooj yim saib lub qhov txhab.
Nws cov teeb meem tseem ceeb yog:
1, qhov nqus ntawm cov tshuaj maj mam muaj peev xwm yog neeg pluag.
2, Tus nqi yog tus nqi siab.
3, lub qhov txhab nyob ib ncig ntawm daim tawv nqaij impregnation muaj sijhawm loj.
Yog li no, hom kev hnav khaub ncaws no tsuas yog siv rau postoperative thiab tsis oozing ntau ntawm cov qhov txhab, lossis ua ib qho kev hnav khaub ncaws rau lwm yam kev hnav khaub ncaws.
Foaming Multi {{}} polymer hnav ris tsho
Qhov no yog ib hom hnav khaub ncaws los ntawm foaming cov ntaub ntawv ntawm polymer (PU), lub npoo av ntawm ntau zaj duab xis, qee tus kuj muaj tus kheej- lo.
Lub ntsiab zoo yog:
1, nrawm thiab muaj zog exudate muaj peev xwm.
2, Tsawg permeability, yog li ntawd lub qhov txhab kom noo noo, kom tsis txhob hloov cov khaub ncaws thaum lub tshuab puas dua.
3, Cov saum npoo ntawm semi- permeable barrier kev ua tau zoo, tuaj yeem tiv thaiv tus ntoo khaub lig-}} tus kab mob.
4, siv tau yooj yim, ua tiav zoo, tuaj yeem tsim nyog rau txhua qhov chaw ntawm lub cev.
5, thermal rwb thaiv tsev, cushioning sab nraud impulse.
Qhov tsis zoo yog:
1, Vim tias muaj kev sib nqus tau zoo, rau qis nrawm ntawm lub qhov txhab yuav cuam tshuam rau lawv tus txheej txheem kev lag luam.
2, Tus nqi yog tus nqi siab.
3, vim tias Opaque, nws tsis yooj yim kom soj ntsuam lub qhov txhab. Hom kev hnav khaub ncaws no muaj ntau yam kev hloov kho, suav nrog ntau yam nruab nrab rau qhov mob siab, xws li cov txaj pw, qis ceg thiab lwm yam.
Dej Kev hnav khaub ncaws
Tam sim no yog ib qho ntawm cov kev hnav khaub ncaws ntau tshaj plaws, nws lub peev xwm hydrophilic, txuas rau ntawm cov khoom noj khoom haus zoo nkauj, cov khoom siv hypboxinethyl Ntau - polymerization membrance qauv.
Hom kev hnav khaub ncaws no muaj ntau yam zoo sib xws rau foaming multi {{}} polymer hnav ris tsho:
1, tuaj yeem nqus qhov txhab mob exudate thiab qee cov tshuaj lom.
2. Khaws lub qhov txhab ntub thiab cov tshuaj tua kab tso rau cov qhov txhab zoo rau kho kom zoo, tuaj yeem ua kom nrawm txheej txheem kho kom zoo.
3, Qhov tsim ntawm gel, tiv thaiv kev tiv thaiv txoj hlab ntshav, txo qhov mob.
4, kev ua tiav zoo, cov tsos ntawm zais.
5, Rau lub qhov txhab kom tsim qhov tsawg-} oxygen, me ntsis qaub ib puag ncig.
Lub ntsiab drawbacks yog:
1, Kev nqus tau muaj peev xwm tsis muaj zog heev, yog li rau cov kev mob exudative siab, feem ntau nws yuav tsum siv lwm yam kev hnav ris tsho kom tau txais kev ua haujlwm tau zoo.
2, tus nqi khoom lag luam yog siab dua.
3, cov neeg mob yuav tau ua xua rau cov khoom noj.
Cov nyhuv ntawm dej colloid hnav khaub ncaws ntawm lub qhov txhab muaj txiaj ntsig tshwj xeeb.
Algal acid hnav khaub ncaws qhov no yog hom ntuj muaj fiber ntau (oligosaccharides, thiab siab} Tech hnav ua los ntawm cov txheej txheem ua kom zoo.
Nws cov ntsiab lus tseem ceeb yog:
1, muaj zog thiab rov qab haum ntawm exudate muaj peev xwm.
2, the formation of gel, can keep the wound moist and non-stick wound, protect the exposed nerve endings, reduce pain. 3, in contact with the exudate after the occurrence of na-ca ion exchange, the release of ca++ ions.
Nws plays lub luag haujlwm ntawm kev hemostasis thiab stabilizing biofilm.
4, tuaj yeem biodegradable, zoo ib puag ncig kev ua tau zoo.
Lub ntsiab drawbacks yog:
1, feem ntau cov khoom lag luam tsis muaj tus kheej -} kev hnav ris tsho, qhov xav tau rau kev hnav khaub ncaws kom tau tsau.
2, Tus nqi yog tus nqi siab.
3, vim tias Opaque, nws tsis yooj yim kom soj ntsuam lub qhov txhab.
III. Bio -} Cov khoom hnav khaub ncaws nws yog nquag lossis tuaj yeem txhawb nqa cov tshuaj yeeb dej caw thiab ua kom nrawm dua cov khoom kho kom zoo.
xws li nano {{- cov khoom hnav ris tsho, chitosan hnav khaub ncaws.
Nano nyiaj hnav khaub ncaws qhov no yog ib hom kev tiv thaiv ntuj ib puag ncig ntawm cov khoom siv muaj nqis (nyiaj}
Qhov no yog hom thev naus laus zis siab, hnav khaub ncaws siab, muaj cov ntawv thov kev cia siab.
Nws cov ntsiab lus tseem ceeb yog:
1, Super {{- muaj zog broad- electrum tsis muaj peev xwm muaj peev xwm, thiab tsis muaj kev tawm tsam;
2, txhim kho cov ntaub so ntswg ib puag ncig, txo kev mob;
3, tom qab kov nrog lub qhov txhab, yog li ntawd lub qhov txhab ntawm cov qhov txhab ntawm lub qhov txhab calcium, yog li txhawb kev kho kom zoo; 4, Ntuj kev ua tau zoo;
5, Rau lub qhov txhab kom tsim txoj kev kho kom zoo zoo.
Lub ntsiab drawbacks yog:
Tsis muaj tus kheej - nyem thiab yuav tsum tau txais kev hnav ris tsho kom tau tsau.
Lub hlawv cov neeg xaiv xaiv Nano - cov khoom hnav ris tsho.
Chitosan Hnav Khaub Ncaws
Chitosan hnav khaub ncaws yog ib hom siab - Tech fiber ntau muab los ntawm Chitosan Fiber ntau muab los ntawm Chitosan Fiber ntau muab los ntawm Chitosan Fiber ntau dua, tab sis kuj muaj cov tshuaj ntsuab zoo, tab sis biodegradability thiab biodegradability thiab biologation. Haum rau cov kiav txhab nrog ntau tshaj effluent, xws li tshaj tawm- kev ua haujlwm, mob granulation, lub sij hawm granulation, kev tsim ntawm epithelial lub sij hawm.
Chitosan muab tub luam thiab cov khoom paj rwb, tab sis kuj haum rau ntau lub lacunar kiav txhab lossis cov khoom kho mob, xws li kev rho tawm hniav, tom qab. Qhov kev thov kev hnav khaub ncaws tshiab yog qhov txawv rau cov kev hnav khaub ncaws sib txawv, thiab nws yog ib qho tseem ceeb hauv kev ntsuas kev ntsuas tshiab nyob rau ntau lub sijhawm hauv cov xwm txheej sib txawv.
