Katleho ka hareli-tubing tsa bongaka tse ngata tsa lumentheknoloji ea extrusion e na lephahamisoatshebediso ya tsa bongakamethapoho isa boemong bo bocha.

Indastering ea lisebelisoa tsa bongaka, ts'ebetso e fokolang haholoery rends ho batla smallerlelisebelisoa tse ncha tsa bongaka.Lisebelisoa tse sebetsang methapong ea mali kapa lisele tse ling li hloka bongakamethapoka ho nepahala ho phahameng, mamello e thata le ts'ebetso e eketsehilengs.Joalo kali-tubes li entsoee rarahaneng ho feta, thekenoloji ea extrusionto hlahisa tsonaeba thata le ho feta.Ha ho pelaelo horethebongata- lumen tubingextrusionthekenolojie ka pele ho theknoloji ea extrusion.

Tse ngata- lumenextrusion kapa co-extrusion e ka hlalosoa e le extrusion ea nako e le 'ngoe ea likarolo tse ngata tsa thepa.sho hlahisali-tubes tsa bongaka tse nang le lumen tse ngata.Tse ngata- lumentheknoloji e sebelisoa haholo ho ntlafatsa ts'ebetso: ho kopanya lisebelisoa tse chesehang le lisebelisoa tse nang le litšobotsi tse ling tsa ts'ebetso, joalo ka lubricity.Mehaho ena e ka boela ea ntlafatsa ts'ebetso 'me e ka fokotsa litšenyehelo tsa kakaretso le thepa, ho etsa hore lisebelisoa tsa bongaka li be le litšenyehelo tse ngata bakeng sa bareki;likarolo tse ling li ka kenyelletsa ho eketsoa ha likarolo tse sebetsang, tse kang hydrophilic, bioabsorbable kapa li-leaction-eluting layers.Theknoloji le lisebelisoa tse teng ho hlahisa lihlahisoa tsa multilayer bakeng sa lisebelisoa tsa bongaka li ntlafetse haholo 'me li fa baqapi mefuta e mengata ea likhetho bakeng sa optimiz.ed boholo, thepa le tshebetso.

Mesebetsi eatsa bongaka PTFE li-tubing tse ngata tsa lumenlisebelisoa tsa bongakakenyeletsa: creatng tubinglibaka tse nang le litšobotsi tse fapaneng bakeng sa libaka tse ka ntle le tse ka hare;kopanyalisebelisoa tse nang le litšobotsi tse fapaneng ho theha e ikhethangtubinglitšobotsi;thusalisebelisoa tse sebetsangho basebakeng se loketseng hantle;ho fumana sebakathepa e tlamang ka hare kapa ka ntle bakeng sa ho iketsetsa le kopano e bonolo ea lisebelisoa tse rarahaneng tsa bongaka.

Ts'ebetso ea li-tub tse nang le lumen tse ngataes e hloka hore litsebi li kopanye mefuta e mengata e fapaneng ea li-extruder le lisebelisoa tse tlase.Ka mokhoa ona o futsanehileng, ho ka etsahala hore li-extruder tse fapa-fapaneng li tla be li le sefofaneng se le seng, se hlahisang litsela tse telele tsa ho phalla, khatello e eketsehileng ea extrusion le nako e eketsehileng ea ho sebetsa thepa.Ka mokhoa o joalo oa ts'ebetso,e hlokahalangtubelayer ratios ha e tsamaellane le tlhahiso e nepahetseng ea extruder, e ka fellang kahodimo haholo kapa tlasemabelo a sekoti, le ho feta hlahisa li-tubese nang le thepa e mpe ea mochini.

Multi-lumen ea kajenotubinglisebelisoa tsa ho sebetsa ka extrusion ho ka etsahala hore e be tse kopantsoeng ka botlalotlhahisotsamaisana le sehokelo se le seng sa opareitara se hlokomelang, se laolang le ho rekota sistimi eohle ea extrusion ka nako ea nnete.Li-extruder bakeng sa lera le leng le le leng la polymer li khethiloe ho fana ka mefuta e lakatsehang ea lebelo la tlhahiso e sa sekisetseng thepa ea mochini oa thepa.Li behiloe molemong oa ho fokotsa nako ea bolulo, 'me hangata li-extruder tse le 'ngoe kapa ho feta li ka beoa holimo kapa ka angle ea 45 °.Ka tloaelo, extruder e le 'ngoe kapa ho feta ka bongata-Lumen tsamaiso e tla ba micro-extruders lebonyanetlhahisoof 50 dikgerama ka hora, lumellaanmotho ka mong lera ho ba tse seng kae feela microns botenya.Baetsi ba li-micro-extruder tsena ba sebelisa meralo e ncha ea extruder ho etsa bonnete ba hore li-pellets tse tloaelehileng tsa polasetiki li tsamaea hantle karolong ea phepelo ea extruder ntle le tahlehelo ea botsitso.

Litebello tsa bareki li tsamaisa ts'ebeliso e kholo ea sistimi e joalo ea taolo ea lipalo-palo le ho eketsa litlhoko tsa lihlahisoa ho tsoa mekhatlong e laolang.Leha ho le joalo, tekanyo e nepahetseng ea moleng oathinwkaofelamedicaltubinge ntse e le phephetso e kholo ho baetsi ba lisebelisoa tsa bongaka.

Ho ntse ho na le lisebelisoa tse 'maloa tsa thermoplastic tse ka bang tengsebedisoaho etsa li-tubes tse nang le lumen tse ngata.Lisebelisoa tse sebelisoang haholo ke tse tloaelehileng ho etsa li-tubing tsa bongaka, tse kang polyamide (PA), thermoplastic elastomer (TPE), polyurethane (PU), polyvinyl chloride (PVC), le polyolefin (PE).Lisebelisoa tsena li ka etsoa ka mokhoa o ikhethileng ho kenyelletsa likarolo tse hlahisang lithethefatsi, lisebelisoa tsa radioactive, li-filler, le/kapa mebala.Leha ho le joalo, moqapi o tlameha ho nahana ka mocheso oa ho sebetsa, litšobotsi tsa phallo le viscosity e qhibilihisitsoeng ea thepa.

Multi-lumentubingthekenoloji ea extrusion e loketse ka ho khetheha bakeng sa buka ea extruding kapa e sebetsangtheko e boimalisebelisoa tse nang le mesebetsi e itseng hobane e lumella moralo o nepahetseng oa ho beoa ha lisebelisoa tsena holi-tubing tsa bongaka. A cmohlala o motleke: ho behalithethefatsi-eluting ka lera le ka ntle latubingkapaho behahaholo lubricated thepa ka hare lera eatubing.Ho feta moo,li-tubing tsa bongaka tse ngata tsa lumene na lemelemo ea litšenyehelo hobane likarolo tse tšesaanee ka behoalibakeng tse sebetsang ka ho fetisisa.