I-EPTFE inesakhiwo esikhethekileyo kunye nokusebenza, i-biocompatibility efanelekileyo, kwaye ifaneleke kakhulu ukulungiswa kwamalungu kunye nokuhlinzwa.Kwaye kunye nenkqubela phambili yeyeza, ukuthandwa kwemisebenzi eyahlukeneyo enzima, kunye nokuphuculwa kwemigangatho yokuphila kwabantu, imfuno yeemveliso ze-EPTFE iyanda.
Emva kokuxuba, ukugaya, ukubumba, i-calendering, ukomisa, ukunweba, ukucoca, i-white, soft, elastic EPTFE iimveliso ziya kuveliswa.
I-EPTFE inesakhiwo esikhethekileyo kunye nokusebenza, i-biocompatibility efanelekileyo, kwaye ifaneleke kakhulu ukulungiswa kwamalungu kunye nokuhlinzwa.Kwaye kunye nenkqubela phambili yeyeza, ukuthandwa kwemisebenzi eyahlukeneyo enzima, kunye nokuphuculwa kwemigangatho yokuphila kwabantu, imfuno yeemveliso ze-EPTFE iyanda.
Emva kokuxuba, ukugaya, ukubumba, i-calendering, ukomisa, ukunweba, ukucoca, i-white, soft, elastic EPTFE iimveliso ziya kuveliswa.
1.IpheIimveliso ze-olymer ze-PTFE kwezonyango zinokwahlulwa zibe ziindidi ezi-3:
1.1.Iimveliso ezingena ngqo emzimbeni womntu (osisigxina okanye okwethutyana)
Iimveliso zePolymer ezihlala ngokusisigxina kwi-organism zifakela (indawo yokwenziwa kwezicubu kunye nezitho).Ukusetyenziswa kwexeshana kubandakanya i-catheters, iityhubhu zokuhambisa amanzi, i-earpieces, izihlungi, izixhobo zokungenisa umoya, njl. Zisetyenziselwa ikakhulu ukuthutha izinto kunye neegesi, ukuhluzwa kweendaba, njl.
1.2.Iimveliso zokusetyenziswa kwangaphandle
Iipropathi ze-PTFE zepolymers ezifana neplastiki, ukukhanya, ukuqina, ukuqina kunye nokunwebeka, ukuzinza kwimidiya ephazamisayo, ukugquma kombane, njl., kubaluleke kakhulu.Ezi mveliso zibandakanya iiglavu, ii-tourniquets, izixhobo zokulungisa amalungu, iishethi zangaphandle zezixhobo ezahlukeneyo zokuxilonga, njl.
1.3.Amacandelo asebenzayo ohlalutyo lwe-biochemical kunye nezixhobo ze-biochemical synthesis, izixhobo zokulima, ukuvuselela kunye nokusabalalisa iiseli, izicubu, njl.
2. Ukusetyenziswa kweemveliso ze-PTFE kunyango lwezonyango
2.1 Ukusetyenziswa kwe patch ye-PTFE eyandisiweyo ekulungiseni i-hernia yangaphandle yesisu sesona sifo sixhaphakileyo sotyando, kwaye uninzi luyi-inguinal hernia.Unyango lotyando lunyango olwaziwayo.I-PTFE yi-fluoride epheleleyo, kwaye i-PTFE ifayibha enyangwa ngokukodwa eyandisiweyo ingabonisa isakhiwo esinemingxuma kwaye ingenziwa ibe yinto ethambileyo, egobekayo, engagxumekiyo.Eyona nzuzo inkulu yolwandiso lwe-PTFE patch kukuguquguquka kwayo okulungileyo.Amandla kuwo onke amacala akwimo elinganayo.Inokunqunyulwa kwaye igqunywe njengoko kufuneka.Ibonisa ukuqhubeka kwefayibha kunye ne-microstructure ekhethekileyo ye-porous.Iiseli zinokungena kuyo.Inokuhambelana kakuhle kwezicubu, iipropathi eziphezulu zoomatshini, iintlungu ezibuhlungu zenxeba emva kokuhlinzwa, ukwakheka kwesiva esincinci, kunye nokuthuthuzela okuhle.Yimathiriyeli efanelekileyo yokulungisa i-hernia engenaxinzelelo.
2.2.Ukusetyenziswa kweklinikhi ye-EPTFE kwi-rhinoplasty
2.2.1.Kwi-rhinoplasty
Ukukhubazeka kwempumlo, ukutshintshwa kwezicubu kudla ngokufuneka ukuze kulungiswe isiphene.I-Autologous cartilage iseyona nto ifanelekileyo yokufakelwa kwezinto, kodwa kukho iziphene ezinjengobunzima bokufumana izinto eziphathekayo, umonakalo kwindawo yomnikeli, kunye nokufunxa ngokungalindelekanga kwe-graft material.Izinto ze-allogeneic zineempendulo zokulahlwa komzimba kwaye kunzima ukuzigcina, ngoko ke kunzima ukusetyenziswa ngokubanzi kwiklinikhi.Ke ngoko, abantu bahlala bejonge izinto ezifanelekileyo zokufakelwa kokufakelwa.Kwi-rhinoplasty yasekhaya, kusetyenziswa izixhobo ezingaphezulu zokufakelwa, kubandakanya irabha ye-silicone kunye ne-hydroxyapatite.
2.2.2.Imathiriyeli yokufakelwa okwenziweyo
Inzuzo ye-EPTFE njengento yokufakelwa kwezinto ezenziweyo kukuba inokuhambelana kakuhle kwezicubu, kwaye kwangaxeshanye ineempawu zokukwazi ukuqhekeza kwizicubu ezithambileyo kwaye kube lula ukuyikhupha.I-EPTFE ineempawu ezikhethekileyo ze-physicochemical.I-micropores yayo yi-30μ nge-avareji, eyenza i-tissue endogenous, eyenza i-brake yokufakelwa kwaye yamkelwe yinkqubo yokukhusela yomzimba.Ngenxa yokuba izicubu azikho endogenous, akunzima ukususa i-graft.
2.2.3.I-EPTFE iqhosha elingaqiniswanga
Ngenxa yokuguquguquka kwayo okulungileyo kungasetyenziselwa ukulungisa ukudakumba kwezicubu ezithambileyo zasekhaya ngasemva okanye kwincam yempumlo.Isiziba esomeleziweyo kunye nomva omile wempumlo unokuguquguquka okuthile kunye nokuqina okuthile.Ngoko ke, inokusetyenziswa njenge-graft ngokunyuka kweempumlo ze-dorsal.
2.2.4.Kwi-nasal incam plasty
I-Nasal septal cartilage ibisoloko ithathwa njengeyona nto ifanelekileyo yokumiliselwa kwe-autologous.I-cartilage ye-septal iqondile, i-elastic, kwaye inamandla athile, kodwa i-disadvantage kukuba inani lezicubu ezifunyenweyo zilinganiselwe.Kwizinto eziqhelekileyo ezisetyenziswa ngokuqhelekileyo, i-hydroxyapatite ayinakusetyenziselwa ukubunjwa kweempumlo.Irabha ye-Silicone inomlinganiselo ophezulu wokukhutshelwa wempumlo yencam yencam, ngakumbi ukwenzakala, kunye nokungonelanga kwesikhumba kunye nokugqunywa kwezicubu ezithambileyo kuya kwandisa amathuba okukhutshwa.Ubume berabha ye-silicone bunzima kakhulu.Ukuba amandla okuxhasa kwincam yempumlo inkulu kakhulu, inokubangela ischemia yesikhumba kwincam yempumlo.Ukuxhaswa kwexesha elide kunokwenza ulusu lwendawo lube luncinci okanye lude luqhekeke kwaye i-prosthesis ikhutshwe.I-patch eqinisiweyo ye-EPTFE inzima kune-nasal septal cartilage kodwa ithambile kune-silicone.Ngako oko, i-patch eqinisiweyo ye-EPTFE ingasetyenziselwa njengenkxaso kwincam yempumlo kunye nekholomu encinci yempumlo, kodwa ukungabikho kwe-elasticity kukusilela kwayo.Xa kuthelekiswa nerubha ye-silicone, i-EPTFE ineempawu zokuvumela i-tissue endogenous, ukwenzela ukuba ugweme i-ischemia kunye nokugqabhuka kwesikhumba sendawo exhasayo, ngoko ke i-EPTFE yinto efanelekileyo yokwenza i-tip yempumlo.
2.2.5.Kwi-nasal incam plasty
Ukukrolwa kweprosthesis yeyona nto iphambili kwiplasty yotyando.Kuye kwaxelwa ukuba i-prosthesis ifakwe kwi-ambrella shape ngexesha lokubunjwa kwencam yempumlo.Amava ethu kukuba i-prosthesis ikrolwe kwingalo emfutshane efana ne-L kwaye iyancipha nge-vascular forceps, eya kunika ingalo emfutshane inkxaso eyaneleyo yokufezekisa inkxaso kunye ne-bulge ye-tip yempumlo.
2.2.6 Imithambo yegazi eyenziweyo
Okwangoku, le mveliso isetyenziselwa ikakhulu kwi-femoral artery pseudoaneurysm vascular transplantation;i-aortic constriction segment segment resection (okanye ukulungisa) ukutshintshwa kwemithambo yegazi eyenziweyo;imathiriyeli yokuvala i-portal hypertension shunt;ukuvalwa kwe-vena cava ephezulu kunye nesezantsi kunye ne-atrium yasekunene;inkqubo yamathumbu Umthambo uvalwe nge-atrium yasekunene;hemodialysis, njl. Ngaphezu kwe-100 izicelo zeklinikhi zifumene iziphumo ezilungileyo.Ukusetyenziswa kwexesha elide kufikelele kwiminyaka engaphezu kwe-9.
2.2.7 Uqhoqhoqho olwenziwayo
Isetyenziselwa izigulane ezineziphene ze-tracheal cartilage yendawo enkulu, ukuwa kwe-tracheal, kunye nokusilela ukwenza ukuphefumla okuqhelekileyo kwe-lumen okubangelwa kukwenzakala kwemfazwe, ukwenzakala, kunye notyando lomhlaza we-laryngeal.indoda ye.Emva kweemeko ze-10 zesicelo seklinikhi kwisibhedlele sase-Changchun se-Air Force kunye nokulandelwa kweminyaka eyi-10, izinga lokusinda laliyi-100%.
2.2.8.Ezinye izicelo
Emva kokutshatyalaliswa kwemiphunga, izinto ezenziweyo zisetyenziselwa ukuphelisa i-cavity eseleyo, kwaye i-EPTFE yinto efanelekileyo yokupakisha kule nqanaba.I-EPTFE patch kunye ne-polypropylene patch zikhuselekile kwaye zisebenza kakuhle kwi-inguinal hernia implantation kubantu abadala, kunye neengxaki ezimbalwa kunye nezinga eliphantsi lokuphindaphinda kunokufakelwa kwendabuko.Phakathi kwabo, i-EPTFE patch ingcono kune-polypropylene patch Iipilisi zikhululekile ngakumbi.Ukusabela okuvuthayo kunye nomzimba wangaphandle obangelwa yi-EPTFE yincinci, kwaye akukho mpendulo engathandekiyo ibonakala kwindawo yenxeba eyonakalisiweyo, engasetyenziselwa njengento yokugubungela isilonda.
Ixesha lokuposa: Jun-21-2020