Lilemong tsa morao tjena, ts'ebetso ea laser e ntse e sebelisoa haholo ho etsa lisebelisoa tsa bongaka, joalo ka ho nepahalalisebelisoa tsa ho itšeha ka laser, lisebelisoa tsa bongaka tsa laser welding, lisebelisoa tsa ho cheka ka laser, lisebelisoa tsa laser marking, joalo-joalo Lisebelisoa tsena li ka sebelisoa ho sebetsana le li-stents tsa bongaka, li-valve tsa pelo, likarolo tsa endoscopic tsa ho Kobela le mefuta eohle ea lisebelisoa tsa ho buoa.
Li-laser tsa fiber li maemong a holimo indastering ea tlhahiso ea lisebelisoa tsa bongaka ka lebaka la theko e tlase, matla a maholo le melemo e meng.Lisebelisoa tsa laser tse kang picosecond le femtosecond li na le melemo e meholo mabapi le boleng ba ho itšeha, empa karolo ea bona ea mmaraka e bile nyane ka nako e telele.
Lilemong tsa morao tjena, ka litlhoko tse ntseng li eketseha tsa lisebelisoa tsa bongaka tse nepahetseng bakeng sa ho itšeha boleng, lipatlisiso tsa mantlha tsa lisebelisoa le nts'etsopele ea lisebelisoa tsa bongaka tsa laser lia potlakisa, 'me li-laser tsa ultrafast tse kang femtoseconds e tla ba laser e ratoang maemong a ts'ebeliso ea lisebelisoa tsa bongaka, le li-lasers tsena. li lula li kenella mefuteng e sa tšoaneng ea phekolo ea meriana.
Har'a lisebelisoa tsa bongaka tse entsoeng ka lasers ea femtosecond, methapo ea methapo le methapo ea pelo ke tsona tse atileng haholo.Laser ea femtosecond e etsa hore ho be le machining a nepahetseng a lihlahisoa tse se nang burrless, tse nang le micron-scale stent lihlahisoa tsa sesebelisoa sa bongaka, tse bohlokoa ho thibela ts'ebetso ea 'mele ea ho itšireletsa mafung / ho hana ha e kenngoa' meleng oa motho.Li-stents tse ngata tsa bongaka li entsoe ka alloy ea nickel-titanium, tšebeliso e fetileng ea theknoloji ea mechine ho sebetsana le motsoako ona oa nickel-titanium ha ho bonolo, laser ea femtosecond e fetohile mokhoa o sebetsang.
Khopolo ea "ho kenella ntle le ho kenngoa" ke mokhoa oa bohlokoa ho nts'etsopele ea mekhoa e mecha ea phekolo ea phekolo ea methapo ea pelo.Li-stents tsa pelo ho fihlela joale li ka aroloa ka mekhahlelo e mene: katoloso ea balune e hloekileng, litšepe tse se nang letho, li-stents tse ntšang lithethefatsi le li-biodegradable stents.
Ho fapana le li-stents tsa pelo tse fetileng, li-stents tse ka senyehang ka tlhaho ke li-scaffold tse entsoeng ka thepa ea polymer e senyehang (e kang polylactic acid) e ka senyehang le ho kenngoa ke 'mele oa motho ka nako e itseng.Ha methapo ea mali e nchafatsoa, stent e theoha ka ho toba metsing le carbon dioxide 'meleng, ha e bapisoa le tšepe ea setso - le li-stents tse koahetsoeng ke lithethefatsi.Bopaki bo teng ba lipatlisiso bo bontša hore katleho ea li-stents tse ka senyehang ke 'nete, e ka felisang tšusumetso ea li-stents tse setseng ho tsosolosoa ha methapo ea mali le ho fokotsa liketsahalo tsa nako e telele tse mpe ka mor'a PCI.
Ka melemo ea eona e ikhethang, thepa ea stent e senyehang butle-butle e tla fetoha mokhoa o ka sehloohong oa nts'etsopele ea mahlale a machaba a stent pelo.Ts'ebetsong ea thepa ena ea polymer le lisebelisoa tse ling tse seng tsa tšepe, haeba fiber laser e sebetsa, thepa e ka 'na ea futhumala' me ea fetola lik'hemik'hale, tse ka hlahisang chefo ea likokoana-hloko.Haeba u batla ho fokotsa litlamorao tsena tsa mocheso le ho netefatsa boleng ba phello ea ts'ebetso, khetho ea pele ke lisebelisoa tsa laser tsa femtosecond.
E 'ngoe ea melemo ea mantlha ea ho sebelisa femtosecond (10 ^ -15s) pulses ha e bapisoa le nanosecond kapa picosecond pulses ke hore nako ea ho kopana pakeng tsa sekoahelo le mosebetsi oa matsoho e fokotsehile ka hohle kamoo ho ka khonehang, ho fokotsa mocheso o amehang sebakeng sa mosebetsi, kahoo. ho fokotsa litlamorao tse mpe tse bakoang ke ho futhumatsa ho feteletseng.Bakeng sa lisebelisoa tse ling tsa bongaka, ho kenyeletsoa li-stents, sena se bohlokoa hape bakeng sa ho ntlafatsa biocompatibility ea lisebelisoa tsa implant.
Li-laser tsa Femtosecond li ka sebetsana le lihlahisoa ka nepo e phahameng.Li-coronary stents hangata li fapana ka bophara ho tloha ho 2 ho isa ho 5mm le bolelele ho tloha ho 13 ho isa ho 33mm.Sesebelisoa sa laser sa femtosecond se khothaletsoa haeba u batla lintlha tsa boleng bo holimo tsa stent le ho fokotsa kotsi ea liphetoho tsa biopolymer kapa oxidation ea tšepe.Ho ea ka pono ea ts'ebetso eohle ea ho etsa li-stent, molemo o mong oa laser ea femtosecond ke ho fokotsa litlhoko tsa morao-rao ka mor'a ho khaola stent.
Femtosecond laser cutting vs Fiber laser cutting effect
Tsoelo-pele ea morao-rao ea theknoloji ea laser ea femtosecond e kentse bokhoni bo boholo ho sebetsa ka mokhoa o nepahetseng oa lisebelisoa tsa bongaka, ho felisa liphello tsa mocheso ha ho ntse ho fokotsa ts'ebetso ea morao-rao.
Nako ea poso: Jul-25-2023