Uru rubuga rukoreshwa nubucuruzi bumwe cyangwa bwinshi bufitwe na Informa PLC kandi uburenganzira bwose ni ubwabo. Ibiro byanditse muri Informa PLC ni 5 Howick Place, London SW1P 1WG. Yanditswe mu Bwongereza na Wales.Nta.8860726.
Uyu munsi, hafi ya lazeri zose zogukata ibyuma nibitari ibyuma bikorwa hakoreshejwe ibikoresho bifite lazeri ya fibre cyangwa ultrashort pulse (USP), cyangwa rimwe na rimwe byombi. Muri iyi ngingo, tuzasobanura ibyiza bitandukanye bya lazeri zombi kandi turebe uburyo abahinguzi bombi bakoresha izo lazeri. Ubuvuzi bwa NPX (Plymouth, MN) ni uruganda rwihariye rutunganya ibikoresho, ibikoresho bya fibre, ibikoresho bikoresha ibikoresho, ibikoresho bya tekinike, ibikoresho bya tekinike, ibikoresho, ibikoresho bya tekinike, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho, ibikoresho byo mu bwoko bwa tekinike. Dynamics ikora insimburangingo, nka "gukurura insinga" inteko zikoreshwa cyane cyane muri neurologiya, zikoresha imashini irimo lazeri ya USP femtosecond hamwe na sisitemu ya Hybrid iheruka harimo femtosekond na fibre ya fibre kugirango ihindurwe neza kandi ihindagurika.
Haraheze imyaka myinshi, micromachining nyinshi ya laser yakozwe hifashishijwe lazeri ikomeye ya nanosecond yitwa lazeri yitwa DPSS.Nyamara, ubu yarahindutse rwose bitewe niterambere ryibintu bibiri bitandukanye rwose, bityo rero byuzuzanya, ubwoko bwa laser. Mubisanzwe byatejwe imbere mubitumanaho, lazeri ya fibre yakuze mubikorwa byimbaraga zitunganya lazeri mubikorwa byinshi byimbaraga zubusa. muri lazeri zoroheje, zizewe cyane, kandi byoroshye kwinjiza mumashini kabuhariwe, kandi muri rusange zitanga igiciro gito cyo gutunga kuruta ubwoko bwa lazeri zishaje. Icy'ingenzi kuri micromachining, urumuri rusohoka rushobora kwibanda ahantu hato, hasukuye microne nkeya gusa ya diametre, kubwibyo nibyiza cyane gukata cyane-gukata, gusudira hamwe no gucukura. kurwara.
Nyamara, ingaruka zishobora kuba za fibre lazeri muri micromachining ni ugutunganya ibintu bito na / cyangwa ibice bito, byoroshye. Igihe kirekire (urugero, 50 µs) impiswi zimara igihe gito zitera akarere gaterwa nubushyuhe buke (HAZ) nkibikoresho bisubirwamo hamwe nudukoko duto duto, bishobora gusaba nyuma yo gutunganyirizwa hamwe.
Hamwe na lazeri ya USP, ibyinshi mubushyuhe bwiyongereye bujyanye no gutema cyangwa gucukura bitwarwa mumyanda yasohotse mbere yuko igira umwanya wo gukwirakwira mubikoresho bikikije.Icyuma cya USP gifite umusaruro wa picosekond kuva kera cyakoreshejwe mugukoresha micromachining zirimo plastiki, semiconductor, ceramics, hamwe nubutare bumwe na bumwe (picoseconds = amasegonda 10). cond lasers ntabwo buri gihe itanga ibisubizo byanonosoye byerekana neza ko igiciro cyiyongereye cya lazeri ya USP.Ibi byahindutse noneho haje lazeri yo mu rwego rwinganda femtosecond (femtosecond = amasegonda 10-15) .Urugero ni urutonde rwa Monaco rwa Coherent Inc. chromium, titanium, nibindi byinshi, kimwe nubutare butari ibyuma.Mu gihe guhuza igihe gito cya pulse hamwe ningufu nke za pulse birinda kwangirika kwamashyanyarazi (HAZ), igipimo kinini cyo gusubiramo (MHz) cyerekana umuvuduko ukabije wibikoresho byubuvuzi bifite agaciro kanini.
Byumvikane ko, ntamuntu numwe mubikorwa byacu ukeneye lazeri imwe gusa. Ahubwo, bakeneye imashini ishingiye kuri lazeri, kandi ubu hariho imashini nyinshi zidasanzwe zashyizwe mubikorwa byo gukata no gucukura ibikoresho byubuvuzi.Urugero ni urukurikirane rwa Coherent's StarCut Tube, rushobora gukoreshwa na lazeri ya fibre, lazeri femtosekond, cyangwa nka verisiyo ivanze ikubiyemo ubwoko bwombi bwa laser.
Umwihariko wibikoresho byubuvuzi bivuze iki? Ibyinshi muribi bikoresho bikorerwa mubice bike bishingiye kubishushanyo mbonera byabigenewe.Nuko rero, guhinduka no koroshya imikoreshereze nibintu byingenzi.imashini imwe igomba gukora byombi kugirango yongere agaciro kayo.Ibikenewe mubisanzwe byujujwe mugutanga icyerekezo kinini CNC igenzurwa (xyz na rotary) hamwe na HMI-ukoresha-ukoresha porogaramu yoroshye yo kugenzura no kugenzura.Mu bijyanye na StarCut Tube, uburyo bushya bwo gupakira imiyoboro ya moderi buzana ikinyamakuru cyo gupakira ku ruhande (cyitwa StarFeed) kubituba bigera kuri m 3 z'uburebure no kwemerera ibicuruzwa byaciwe.
Ihinduka ryimikorere yizi mashini ryongerewe imbaraga mugushigikira gukata gutose no gukama kandi byoroshye guhinduranya nozzles kubikorwa bisaba gazi ifasha.Ikemurwa ryumwanya naryo ni ingenzi cyane mugutunganya ibice bito cyane, bivuze ko ituze rya termo-mashini rikuraho ingaruka ziterwa no kunyeganyega bikunze kugaragara mububiko bwimashini.Urwego rwa StarCut Tube rwujuje ibi bikenewe mukubaka igorofa yose yo gutema hamwe nibintu byinshi bya granite.
NPX Ubuvuzi ni uwukora amasezerano mashya atanga igishushanyo, Ubwumvikane bwa Laser kandi bukemuye ibikoresho byo kuba abaganga babitswe, bikubiyemo imiyoboro minini yo kubaga. , umugongo, amagufwa, umuganga wubwenge, na gastrointestinal kubaga. Ibikorwa byinshi birimo gukata nitinol kandi tumaze kumenya ko fibre lasers ishobora gutanga umuvuduko nubwiza bubi. Nyuma yo gutunganya no kugenzura, ugereranije n'ibyumweru nyuma yuko itegeko rishyirwaho ibigo binini. "Usibye kuvuga umuvuduko, Brezel yavuze ko yizewe, Brenzel yavuze ko habaye akantu gato, kudasaba serivisi imwe yahamagaye mu mezi 18 ashize yo gukora.
Igishushanyo 2. NPX itanga uburyo butandukanye nyuma yo gutunganya.Ibikoresho byerekanwe hano ni T316 ibyuma bidafite ingese hamwe na 5mm OD na 0.254mm yuburebure bwurukuta. Igice cyibumoso cyaciwe / microblast kandi igice cyiburyo gifite amashanyarazi.
Usibye ibice bya nitinol, isosiyete ikoresha kandi cyane ya cobalt-chromium alloys, tantalum alloys, titanium alloys hamwe nubwoko bwinshi bwibyuma byangiza imiti. Jeff Hansen, Umuyobozi ushinzwe gutunganya Laser, asobanura agira ati: "Guhindura imashini nundi mutungo wingenzi, bidufasha gushyigikira guca ibikoresho bitandukanye cyane, birimo umuyoboro na etage.Turashobora kwibanda kumurongo kugeza kuri 20-micron, ikaba ifite akamaro kubindi binini binini bifite akamaro kanini.Bimwe muribi biti ni 0.012 ″ ID gusa, kandi igipimo kinini cyingufu zingana nimpuzandengo yingufu za fibre ya fibre iheruka kugabanya umuvuduko wo kugabanya mugihe tugitanga ubuziranenge bwifuzwa.Dukeneye rwose umuvuduko w'ibicuruzwa binini bifite diameter yo hanze igera kuri santimetero imwe. ”
Usibye gukata neza no gusubiza byihuse, NPX itanga kandi uburyo bwuzuye bwikoranabuhanga nyuma yo gutunganya, hamwe na serivise zishushanyije zikoresha uburambe bwazo mu nganda.Ubu buhanga burimo amashanyarazi, gutema umucanga, gutoragura, gusudira lazeri, gushiraho ubushyuhe, gukora, passivation, gupima ubushyuhe bwa Af, no gupima umunaniro, bivuze ko ari ugukurikirana ibicuruzwa bya Nitinol. gusaba-umunaniro muke.Kurugero, igice cyumunaniro mwinshi nka valve yumutima gishobora kugonda inshuro miriyari mubuzima bwacyo nyuma yo gutunganywa nkintambwe, ni ngombwa gukoresha umusenyi kugirango wongere radiyo yimpande zose.Ariko umunaniro muke nka sisitemu yo gutanga cyangwa kuyobora umurongo akenshi ntibisaba gutunganywa nyuma. ”Ku bijyanye n'ubuhanga bwo gushushanya, Brenzel abisobanura, ubu hari nka bitatu bya kane by'abakiriya nabo bakoresha serivisi zabo zo gushushanya kugira ngo bakoreshe ubufasha n'ubuhanga bwa NPX mu kwemererwa na FDA.Isosiyete ni nziza cyane mu guhindura igitekerezo cya "napkin igishushanyo" mu bicuruzwa mu buryo bwa nyuma mu gihe gito.
Motion Dynamics (Fruitport, MI) ni uruganda rukora amasoko mato mato, ibiceri byubuvuzi hamwe ninteko zinsinga zifite intego yo gukemura ibibazo byabakiriya, nubwo byaba bigoye gute cyangwa bisa nkibidashoboka, mugihe gito gishoboka.Mu bikoresho byubuvuzi, byibanda cyane cyane ku nteko zigoye zo kubaga imitsi y’imitsi, harimo gushushanya, gukora, no guteranya inteko zujuje ubuziranenge zikoreshwa nka porogaramu zikurura ibyuma,
Nkuko byavuzwe haruguru, guhitamo fibre cyangwa lazeri ya USP ni ikibazo cyubwubatsi ndetse nubwoko bwibikoresho nibikorwa bishyigikirwa.Chris Witham, Perezida wa Motion Dynamics, yabisobanuye agira ati: “Dushingiye ku buryo bw’ubucuruzi bwibanda cyane ku bicuruzwa biva mu mitsi, dushobora gutanga ibisubizo bitandukanye mu gushushanya, mu bikorwa no muri serivisi.Dukoresha gusa gukata laser kugirango tubyare ibice dukoresha murugo., gukora ibicuruzwa bihanitse, "bigoye" byahindutse umwihariko n'icyubahiro;ntabwo dutanga gukata laser nka serivisi yamasezerano.Twabonye ko gukata lazeri nyinshi dukora nibyiza gukorwa na lazeri ya USP, kandi mumyaka myinshi nkoresha StarCut Tube hamwe nimwe murizo lazeri.Bitewe cyane cyane nibicuruzwa byacu, dufite amasaha abiri 8 kumasaha kumunsi, rimwe na rimwe ndetse na gatatu, kandi muri 2019 dukeneye kubona indi StarCut Tube kugirango dushyigikire iri Terambere.Ariko kuriyi nshuro, twahisemo kujyana na moderi nshya ya Hybrid ya femtosekond USP laseri na fibre fibre.Twahujije kandi na StarFeed loader / unloader kugirango dushobore gutangiza byimazeyo gukata - uwayikoresheje ashyira ubusa gusa Umuyoboro wuzuye muri federasiyo kandi porogaramu ikora software kubicuruzwa iratangira.
Igicapo 3. Iyi miyoboro yoroheje yo gutanga ibyuma (yerekanwe kuruhande rwo gusiba ikaramu) yaciwe hamwe na laser ya Monaco femtosecond.
Witham yongeraho ko nubwo rimwe na rimwe bakoresha imashini mu gukata neza, igihe kirenga 95 ku ijana bamara bamara bakora cyangwa bahindura ibicuruzwa bya silindrike kubiterane byabo bya catheteri, aribyo hypotubes, coil na spiral, harimo guca inama zanditse hamwe no guca umwobo. Ibi bice bikoreshwa muburyo bukoreshwa nko gusana aneurysm no gukuramo trombusi.
Igicapo 4. Motion Dynamics ikoresha kandi gusudira laser cyane. Hejuru, coil yarasuditswe kumuyoboro waciwe na laser.
Ni ubuhe buryo bwa lazeri? Witham yasobanuye ko ubwiza buhebuje hamwe na kerf ntoya ari ingenzi kuri byinshi mu bice byabo, bityo babanje guhitamo laseri ya USP. Byongeye kandi, nta kintu na kimwe mu bikoresho isosiyete ikoresha gishobora kugabanywa na kimwe muri ibyo bikoresho, harimo ibice bito bya zahabu bikoreshwa nk'ibimenyetso bya radiopaque mu bicuruzwa bimwe na bimwe. , "Ati:" Ariko kubera intego zacu zo kwibandaho, mubisanzwe bisobanura ubwoko bumwebumwe nyuma yo gutunganywa, nk'isuku ya chimique na ultrasonic cyangwa amashanyarazi.Kugira imashini ivanga rero bidufasha guhitamo inzira rusange - USP yonyine cyangwa fibre hamwe na nyuma yo gutunganya - Gukoresha neza kuri buri kintu.Iradufasha kumenya uburyo bwo gukora imashini ivanga ibice bimwe, cyane cyane aho harimo ubunini bwa diametre nubunini bwurukuta: ndetse no gukata byihuse hamwe na fibre fibre, Noneho koresha lazeri femtosekond kugirango ukate neza. ”Yitezeko lazeri ya USP izakomeza guhitamo kwambere kuko ibyinshi byo gukata lazeri birimo uburebure bwurukuta hagati ya 4 na 6 wowe, nubwo bahura nubunini bwurukuta kuva kuri 1-20.Imiyoboro idafite ibyuma hagati yawe.
Mu gusoza, gukata lazeri no gucukura ninzira zingenzi mugukora ibikoresho bitandukanye byubuvuzi.Uyu munsi, tubikesha iterambere ryibanze rya tekinoroji ya laser hamwe nimashini zitezimbere cyane zagenewe ibikenewe byinganda, izi nzira ziroroshye gukoresha no gutanga ibisubizo byiza kuruta mbere hose.