EPTFE ine yakasarudzika magadzirirwo uye kuita, yakanaka biocompatibility, uye yakakodzera kwazvo kugadzirisa nhengo nekuvhiyiwa.Uye nekufambira mberi kwemishonga, kufarirwa kwemaitiro akasiyana-siyana akaoma, uye kuvandudzwa kwemararamiro evanhu, kudiwa kweEPTFE zvigadzirwa kuri kuwedzera.
Mushure mekusanganisa, kukuya, kuumba, kuomesa, kuomeswa, kutambanudza, sintering, machena, akapfava, elastic EPTFE zvigadzirwa zvichagadzirwa.
EPTFE ine yakasarudzika magadzirirwo uye kuita, yakanaka biocompatibility, uye yakakodzera kwazvo kugadzirisa nhengo nekuvhiyiwa.Uye nekufambira mberi kwemishonga, kufarirwa kwemaitiro akasiyana-siyana akaoma, uye kuvandudzwa kwemararamiro evanhu, kudiwa kweEPTFE zvigadzirwa kuri kuwedzera.
Mushure mekusanganisa, kukuya, kuumba, kuomesa, kuomeswa, kutambanudza, sintering, machena, akapfava, elastic EPTFE zvigadzirwa zvichagadzirwa.
1.The polymer zvigadzirwa zve PTFE mune zvekurapa zvinogona kukamurwa muzvikamu zvitatu:
1.1.Zvigadzirwa zvinopinda zvakananga mumuviri wemunhu (zvisingaperi kana zvenguva pfupi)
Zvigadzirwa zvepolymer zvinogara zviripo muupenyu zvipenyu (zvakagadzirwa zvinotsiva zvematishu uye nhengo).Kushandiswa kwenguva pfupi kunosanganisira catheter, drainage tubes, earpieces, filters, ventilation devices, etc. Zvinonyanya kushandiswa kutakura zvinhu uye magasi, kusefa kwenhau, nezvimwewo.
1.2.Zvigadzirwa zvekushandisa kunze
PTFE polymers zvivakwa zvakaita sepurasitiki, kureruka, kusimba, kusimba uye elasticity, kugadzikana kune inoora midhiya, magetsi ekudzivirira, nezvimwe zvakakosha.Zvigadzirwa izvi zvinosanganisira magurovhosi, tourniquets, midziyo yekugadzirisa mitezo, masheti ekunze emhando dzakasiyana dzekuongorora, nezvimwe.
1.3.Zvinoshanda zvikamu zvekuongorora kwebiochemical uye biochemical synthesis zvishandiso, zvishandiso zvekurima, kuvandudza uye kuparadzira masero, matishu, nezvimwe.
2. Kushandiswa kwezvigadzirwa zvePTFE mukurapa kwekurapa
2.1 Kushandiswa kwekuwedzera kwePTFE chigamba mukugadzirisa kwekunze kwedumbu hernia ndiyo inowanzo zivikanwa chirwere chekuvhiya, uye ruzhinji ndeye inguinal hernia.Kuvhiya kurapwa kunozivikanwa.PTFE ifluoride yakakwana, uye iyo yakanyatsogadziriswa yakawedzera PTFE fiber inogona kuratidza porous chimiro uye inogona kugadzirwa kuva yakapfava, inopindika, isiri-abrasive zvinhu.Mukana wakakura weiyo yakawedzera PTFE chigamba ndeyekuchinjika kwayo kwakanaka.Masimba kumativi ose ari muhutano hwakaenzana.Inogona kutemwa uye kuvharwa sezvinodiwa.Iyo inoratidza fiber kuenderera uye yakasarudzika porous microstructure.Masero anogona kupinda mairi.Iyo ine yakanaka kuenderana kwematishu, yepamusoro mechanical zvivakwa, chiedza postoperative kurwadziwa kweronda, diki kuumbwa kwevanga, uye kunyaradza kwakanaka.Icho chinhu chakanakira kugadzirisa-isina hernia kugadzirisa.
2.2.Clinical kushandiswa kweEPTFE murhinoplasty
2.2.1.Mune rhinoplasty
Nekuremara kwemhino, kuiswa kwenyama kunowanzodiwa kugadzirisa kukanganisa.Autologous cartilage ichiri yakanyanya kunaka transplant zvinhu, asi pane zvikanganiso senge kunetsa kuwana zvinhu, kukuvadzwa kunzvimbo yevanopa, uye kutorwa kusingafungidzirwe kweiyo graft zvinhu.Allogeneic zvinhu zvine maitiro ekuramba kudzivirira uye zvakaoma kuchengetedza, saka zvakaoma kushandiswa zvakanyanya mukiriniki.Naizvozvo, vanhu vari kugara vachitsvaga yakanakira artificial transplantation zvinhu.Mumusha rhinoplasty, zvimwe zvekugadzira zvekugadzira zvinoshandiswa zvinoshandiswa, zvinosanganisira silicone rabha uye hydroxyapatite.
2.2.2.Artificial graft zvinhu
Kubatsira kweEPTFE sechinhu chakagadzirwa chegraft ndechekuti ine hutano hwakanaka hwematishu, uye panguva imwechete ine hunhu hwekukwanisa kubhureka munyama yakapfava uye kuve nyore kutora.EPTFE ine yakakosha physicochemical properties.Ma micropores ayo ari 30μ paavhareji, izvo zvinoita kuti matishu endogenous, ayo anoita kuti implant brake uye inogamuchirwa nemuviri wekudzivirira system.Nekuti iyo tishu haina endogenous, hazvina kuoma kubvisa iyo graft.
2.2.3.EPTFE isina-yakasimbiswa chigamba
Nekuda kwekunaka kwayo kuchinjika inogona kushandiswa kugadzirisa emuno zvinyoro zvinyoro zvinyoro kumusana kana kumuromo wemhino.Chigamba chakasimbiswa uye kuseri kwemhino kwakaumbwa zvine kumwe kushanduka uye kumwe kuoma.Nokudaro, inogona kushandiswa sekubatanidza nemhino yakawedzera yemhino.
2.2.4.Munasal tip plasty
Nasal septal cartilage yagara ichionekwa seyakanakira autologous graft zvinhu.Iyo septal cartilage yakatwasuka, elastic, uye ine rimwe simba, asi iyo yakashata ndeyekuti huwandu hwenyama hunowanikwa hushoma.Pakati pezvinowanzo shandiswa zvekugadzira graft zvinhu, hydroxyapatite haigone kushandiswa pamhino tip kuumbwa.Silicone rabha ine mwero wakakwira wekubuda kwemhino kuumbwa, kunyanya kukuvadzwa, uye kusakwana kweganda uye ganda rakapfava kuvharika kuchawedzera mukana wekubuda.Mamiriro esilicone rubber yakanyanya kuoma.Kana simba rekutsigira pamucheto wemhino rakanyanya kukura, rinogona kukonzera ischemia yeganda pamucheto wemhino.Rutsigiro rwenguva refu runogona kuita kuti ganda repanzvimbo riite mutete kana kutoputika uye prosthesis inoburitswa.Iyo yakasimbiswa chigamba cheEPTFE yakaoma kupfuura nasal septal cartilage asi yakapfava kupfuura silicone.Nokudaro, chigamba chakasimbiswa cheEPTFE chinogona kushandiswa sechitsigiro chechidimbu chemhino uye chikamu chiduku chemhino, asi kushayikwa kwayo kwekusagadzikana ndiko kushomeka kwayo.Kuenzaniswa nesilicone rubber, EPTFE ine maitiro ekubvumira matishu endogenous, kuitira kudzivirira ischemia uye kuputika kweganda renzvimbo inotsigira, saka EPTFE yakanaka mhino inoumba zvinhu.
2.2.5.Munasal tip plasty
Kuvezwa kweprosthesis ndiyo kiyi yekuvhiya plasty.Zvinonzi prosthesis inosimwa mune amburera chimiro panguva yemhino kuumbwa kwemuromo.Chiitiko chedu ndechekuti prosthesis yakavezwa mune diki L-yakaita ruoko rupfupi ruoko uye yakatetepa nevascular forceps, iyo ichapa ruoko rupfupi rutsigiro rwakakwana kuti uwane kutsigirwa uye bulge yemuromo wemhino.
2.2.6 Mitsipa yeropa yakagadzirwa
Parizvino, chigadzirwa ichi chinonyanya kushandiswa kune femoral artery pseudoaneurysm vascular transplantation;aortic constriction segment resection (kana kugadzirisa) kushandiswa kweropa rekugadzira ropa;bhiriji zvinhu zve portal hypertension shunt;kuvharirwa kwepamusoro uye yakaderera vena cava ine atrium yakarurama;intestinal system Iyo tsinga yakavharwa neatrium yakarurama;hemodialysis, etc. Kupfuura 100 kliniki zvikumbiro zvakagamuchira migumisiro yakanaka.Kushandiswa kwenguva refu kwenguva kwasvika kupfuura makore 9.
2.2.7 Artificial trachea
Inoshandiswa kune varwere vane nharaunda yakakura tracheal cartilage defects, tracheal kudonha, uye kutadza kuumba yakajairika kufema kwe lumen kunokonzerwa nekukuvara kwehondo, kushungurudzika, uye kuvhiyiwa kenza yelaryngeal.murume we.Mushure mezviitiko gumi zvekushandiswa kwekiriniki muChangchun Hospital yeAir Force uye kutevera kwemakore gumi, chiyero chekupona chaive 100%.
2.2.8.Mamwe maapplication
Mushure mekugadzirwa kwemapapu, zvigadzirwa zvekugadzira zvinoshandiswa kubvisa yakasara mhango, uye EPTFE chinhu chakanakira kurongedza zvinhu panguva ino.EPTFE patch uye polypropylene patch zvakachengeteka uye zvinobudirira pakuisirwa inguinal hernia mune vakwegura, ine matambudziko mashoma uye yakaderera chiyero chekudzoka pane yechinyakare kudyarwa.Pakati pavo, EPTFE patch iri nani pane polypropylene patch Mahwendefa acho anonyanya kugadzikana.Izvo zvinokonzerwa nekuputika uye maitiro emuviri wekunze anokonzerwa neEPTFE zviduku, uye hapana maitiro asina kunaka anoonekwa panzvimbo yakakuvadzwa yeronda, iyo inogona kushandiswa sechinhu chinovhara maronda.
Nguva yekutumira: Jun-21-2020