Multi-lumen tubing extrusion tekinoroji
Kubudirira mukatimulti lumen medical tubingextrusion tekinoroji inekusimudzirwakushandiswa kwezvokurapamachubhukune imwe nhanho.
Muindasitiri yezvishandiso zvekurapa, iyo ishoma invasive sugery anorenda achida smalleruyezvimwe zvigadzirwa zvekurapa zvine hutsva.Zvishandiso zvinoshanda patsinga dzeropa kana mamwe matishu zvinoda kurapwamachubhunehupamhi hwepamusoro, kushivirira kwakasimba uye basa rekuwedzeras.Asmachubhu akagadzirwazvakanyanya kuoma, iyo extrusion matekinorojito vagadzirewedzera kuoma.Hapana mubvunzo kutithezvakawanda-lumen tubingextrusionteknolojiairi kumberi kweextrusion tekinoroji.
Multi-lumenextrusion kana co-extrusion inogona kutsanangurwa sekuwedzera panguva imwe chete yezvikamu zvakawanda zvezvinhu.skugadziramulti-lumen medical tubes.Multi-lumentekinoroji inonyanya kushandiswa kuvandudza mashandiro: kusanganisa zvinhu zvinogoneka nemidziyo ine mamwe maitiro ekuita, senge lubricity.Izvi zvimiro zvinogonawo kuvandudza mashandiro uye zvinogona kuderedza kuunganidzwa kwese uye mutengo wezvinhu, zvichiita kuti michina yekurapa ive inodhura-inoshanda kune vatengi;mamwe maficha anogona kusanganisira kuwedzera kweanoshanda zvinhu layers, senge hydrophilic, bioabsorbable kana drug-eluting layers.Iwo matekinoroji uye zvinhu zviripo kugadzira zvigadzirwa zve multilayer zvezvishandiso zvekurapa zvakavandudza zvakanyanya uye zvinopa vanogadzira dzakasiyana siyana sarudzo dze optimiz.ed saizi, zvinhu uye basa.
Mabasa ezvekurapa PTFE akawanda-lumen tubingmumidziyo yekurapazvinosanganisira: creating tubingnzvimbo dzine maitiro akasiyana-siyana ekunze uye mukati;kusanganisazvinhu zvine maitiro akasiyana ekugadzira akasiyanatubingmaitiro;kugonesazvinoshanda zvinhukuvaoptimally located;kutsvagazvinhu zvinosungirirwa mukati kana kunze kwekuzvibatanidza uye kuungana kuri nyore kwemidziyo yakaoma yekurapa.
Kugadziriswa kwe-multi-lumen tubes inoda ma technicians kubatanidza pamwe akasiyana siyana e extruder uye yakadzika midziyo.Neiyi nzira isina kunaka, zvingangoita kuti maextruder akasiyana ese achange ari mundege imwe chete, zvichikonzera nzira dzekuyerera dzakarebesa, kuwedzera extrusion pressure uye kuwedzera zvinhu kugadzira nguva.Pasi peiyo nzira yekugadzirisa,zvinodiwachubhulayer ratios haienderane neyakakwana kubuda kweiyo extruder, izvo zvinogona kugumazvakanyanyisa kana kuti pasiscrews kumhanya, uyezve kugadzira machubhuine urombo mechanical properties.
Mazuva ano akawanda-lumentubingextrusion processing equipment inonyanya kuve yakanyatsobatanidzwaproductionmutsetse neimwechete opareta interface inotarisisa, inodzora uye inorekodha iyo yese extrusion system munguva chaiyo.Maextruder ega ega polymer layer anosarudzwa kuti ape iyo inodiwa huwandu hwekumhanyisa kumhanya iyo isingakanganise ma mechanic zvimiro zvezvinhu.Ivo vakamisikidzwa kuti vaderedze nguva yekugara, uye kazhinji imwe kana anopfuura maextruder anogona kukwidzwa wakatwasuka kana pa45 ° angle.Kazhinji, imwe kana kupfuura extruder mune akawanda-lumen system ichave micro-extruders ineshomaoutputof 50 gramu paawa, zvichibvumiraanimwe layer ingove mamicrons mashoma mukobvu.Vagadziri veaya madiki-extruder anoshandisa hunyanzvi hwekuwedzeredza madhizaini kuti ave nechokwadi chekuti mapurasitiki akajairwa pellets anofamba zvakanaka kuburikidza nechikamu chekudya cheextruder pasina kurasikirwa kwekugadzikana.
Zvinotarisirwa nevatengi zviri kufambisa kushandiswa kukuru kweiyo statistical process control system uye kuwedzera zvigadzirwa zvinodiwa kubva kumasangano anodzora.Zvisinei, chiyero chakarurama mumutsara wethinwzvosemedicaltubingrinoramba riri dambudziko guru kune vanogadzira michina yekurapa.
Pachine akati wandei thermoplastic zvinhu zvinogona kuvakushandiswakugadzira machubhu akawanda-lumen.Zvishandiso zvinonyanya kushandiswa ndezviya zvinogara zvichishandiswa kugadzira tubing yekurapa, senge polyamide (PA), thermoplastic elastomer (TPE), polyurethane (PU), polyvinyl chloride (PVC), uye polyolefin (PE).Zvinhu izvi zvinogona kugadzirwa kuti zvibatanidze zvinodhaka-eluting components, radioactive materials, fillers, uye/kana mavara.Nekudaro, mugadziri anofanirwa kufunga nezve tembiricha yekugadzirisa, kuyerera maitiro uye kunyungudutsa viscosity yezvinhu.
Multi-lumentubingextrusion tekinoroji inonyanya kukodzera kuburitsa novel kana inoshandazvinodhurazvinhu zvine mabasa chaiwo nekuti zvinobvumira kugadzirwa kwakakodzera kwekuiswa kwezvinhu izvi pamishonga tubing. A cmuenzaniso wakanakairi: kuisadrug-eluting zvinhu pachikamu chekunze chetubingkanakuisayakanyanya lubricated zvinhu pane yemukati layer yetubing.Uyezve,multi lumen medical tubinganemutengo zvakanakira nekuti matete akaturikidzanainogona kuiswamunzvimbo dzinoshanda zvakanyanya.
Zvishandiso zveakawanda-lumen tubing muindasitiri yekurapa
Percutaneous kutsiva yechirwere chemoyo vharafu kurapwa kuri kubuda kunopa imwe nzira yekuvhiya yechinyakare kune varwere vari panjodzi huru.Mukuita uku kusinganyanyi kupindira, waya yekutungamira inopfuudzwa nepakati penzvimbo yemukadzi yekupinda uye inotungamirwa mumakamuri emoyo.A gidhi sheath inoiswa pamusoro pegwara waya, uye iyo valve yekuburitsa system inounzwa.Themishonga tubinginodiwa kuendesa vharafu kune saiti chinhu chakanyanya hunyanzvi.Iyo distal yekupedzisira inofanira kushandiswa nyore nyore kuitira kuti inogona kutungamirirwa zvakananga mukamuri yemwoyo.Iyo proximal yekupedzisira inoda kuve yakanyanya kuomarara, inofanirwa kuve neyakanakisa kink kuramba, uye iyo yemukati dhayamita inoda kuzodzwa kuti iite yakatsetsekauyekutumirwa kusina kuvharwa kwekutsivad mavharuvhu.Chimwe chinodikanwa chikuruis kuti madziroanofaniraiva mutete sezvinobvira kuti uwedzere nzira yekuendesa dhayamita yekutsivad vharafu pasinachubhukurasikirwa nechero basa rayo.
Vagadziri vakatarisana nematambudziko mazhinji mukugadzira ichi chikamu.PTFE lubricated linerskazhinji kusanganaiyo indasitiri chiyero chekutumira masisitimu,asi haugonekushandiswa nekuda kwezvinogonekamhedzisiro ye gamma radiation panguva yesterilization.Kuti ave nechokwadi chekutimishonga tubinghaina kink kana kukanganisa sezvainotungamirirwa kuburikidza neanatomy kusvika kumwoyo, jira rakarukwa rinofanira kuiswa muchikamu.
Iyo yekupedzisira dhizaini ndeye shanu-layer gungano rinoumbwa ne-ultra-thin-walledmulti lumen medical tubing, jira rakarukwa resimbi isina tsvina uye polyether block amide sheaths yeakaomarara akasiyana-siyana, achiwedzera proximal yakazara kune distal kuchinjika kune yekunze layer yegungano.
Mhedziso
Iko kushandiswa kutsva kwemulti-lumentubingmukugadzirwa kwezvokurapa kwakashandura nzira yatinogadzirisa nayo nhamba yakawanda yezvinetso zvehutano.Mune ramangwana, sekushandisa extrusions uye matekiniki ekugadzira michina anove epamberi, pamwe nekuvandudzwa kwemaitiro ekudzora uye kuyerwa masisitimu,SuKo, imwe yeChina yepamusoro gumimakambani ekurapa tubingtarisira kuwana kurongeka kwakakura nezvidiki, zvitete uye zvakawanda zvinogoneka zvakawanda-lumen chubhus.Nokufamba kwenguva, akawanda-lumenextrusionproductionmitsetse ichave yakanyanya hunyanzvi uye humwe tekinoroji tekinorojizvakabatanidzwazvakadai se-multi-lumen extrusion, tapered extrusion, uye intermittent / interrupted extrusion.
Nguva yekutumira: Aug-03-2022