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Nhasi, dzinenge dzese dzakanyatsocheka laser kucheka simbi uye dzisiri simbi dzinoitwa pachishandiswa maturusi ane faibha lasers kana ultrashort pulse (USP) lasers, kana dzimwe nguva zvese zviri zviviri.Muchinyorwa chino, tichatsanangura zvakanakira zvakasiyana zvema lasers maviri uye kuona kuti vese vanogadzira vanoshandisa sei lasers idzi.NPX Medical (Plymouth, MN) ichibvumirano chehunyanzvi hwekugadzira maturusi, inogadzira maturusi emhando dzakasiyana-siyana, inogadzira maturusi emhando dzakasiyana-siyana, inogadzira tumwe tu bing, kushandisa michina inosanganisira fiber lasers.Motion Dynamics inogadzira subassemblies, yakadai se "pull wire" magungano anonyanya kushandiswa neurology, kushandisa muchina unosanganisira USP femtosecond laser uye imwe yeazvino masisitimu akasanganiswa anosanganisira femtosecond uye fiber lasers yekunyanya kuchinjika uye Versatility.
Kwemakore akawanda, akawanda laser micromachining akaitwa achishandisa solid-state nanosecond lasers anonzi DPSS lasers.Zvisinei, izvi zvachinja zvachose nekuda kwekuvandudzwa kwemaviri akasiyana zvachose, uye nekudaro anopindirana, mhando dzelaser.Pakutanga dzakagadziridzwa kunhare, fiber lasers dzakura kuita workhorse zvinhu zvinogadzirisa lasers mumaindasitiri mazhinji, akapfupika kune yakatwasuka zvikonzero zvekubudirira kwayo. ward power scalability.Izvi zvinoguma nema lasers ari compact, anovimbika zvakanyanya, uye ari nyore kubatanidza mumakina akasarudzika, uye kazhinji anopa mutengo wakaderera wevaridzi pane yekare laser types.Zvakakosha kune micromachining, danda rekubuda rinogona kutariswa munzvimbo diki, yakachena yemamicrons mashoma mudhayamita, saka iwo akakodzera kune yakakwirira-resolution dhizaini uye inokwenenzverwa kucheka kucheka, kukwenenzverwa uye kukwenenzverwa kwekucheka. kubva kupfuti imwe chete kusvika ku170 kHz. Pamwe chete nesimba rinopisa, izvi zvinotsigira kucheka nekukurumidza nekuchera.
Zvisinei, kukanganisa kunogona kuitika kwefiber lasers mu micromachining ndiko kugadzirwa kwezvinhu zviduku uye / kana zvitete, zvikamu zvakatetepa. Yakareba (eg, 50 µs) pulse durations inoguma nehuwandu hwekupisa hunokanganisa nzvimbo (HAZ) yakadai serecast zvinhu uye kuoma kuduku, izvo zvingada imwe post-processing. d kubuda mapurusi-bvisa dambudziko reHAZ.
Ne USP lasers, yakawanda yekuwedzera kupisa kunobatanidza nekucheka kana kuchera maitiro kunotakurwa mumarara akadzingwa asati awana nguva yekupararira mukati mezvinhu zvakapoteredza.USP lasers ine picosecond output yakashandiswa kwenguva refu mu micromachining applications zvinosanganisira mapurasitiki, semiconductors, ceramics, uye mamwe masimbi (picoseconds = 10-pikoni yesimbi ine simbi yepiritsi, simbi yechipiri yesimbi yesimbi picosecond, 10-1 simbi simbi). mal conductivity uye saizi diki zvinoreva kuti mapicosecond lasers haawanzo kupa mhedzisiro yakavandudzwa iyo inoruramisa yakawedzera mutengo wekare USP lasers.Izvi zvino zvachinja nekuuya kwemaindasitiri egiredhi femtosecond lasers (femtosecond = 10-15 masekonzi) . inoshandiswa mumidziyo yezvokurapa, kusanganisira simbi isina tsvina, platinum, goridhe, magnesium, cobalt-chromium, titanium, nezvimwewo, pamwe chete nezvisiri-simbi.Kunyange zvazvo kusanganiswa kwenguva pfupi yepulse uye kuderera kwesimba simba kunodzivirira kupisa kwekupisa (HAZ), iyo yakakwirira (MHz) kudzokorora chiyero inoita kuti iite mari-inoshanda-inoshanda-yepamusoro-yepamusoro kukurumidza kwemidziyo yekurapa.
Ehe, anenge hapana muindasitiri yedu anoda laser imwe chete.Panzvimbo, ivo vanoda laser-based muchina, uye ikozvino kune michina yakawanda yakasarudzika yakagadziridzwa yekucheka nekuchera michina yekurapa.Muenzaniso ndeye Coherent's StarCut Tube series, iyo inogona kushandiswa nefiber lasers, femtosecond lasers, kana seyakasanganiswa vhezheni inobatanidza ese ari maviri laser marudzi.
Chii chinorehwa nehunyanzvi hwekushandisa zvekurapa? Zvizhinji zvezvishandiso izvi zvinogadzirwa mune mashoma mabheji zvichienderana neyakajairwa magadzirirwo.Naizvozvo, kuchinjika uye nyore kushandisa ndizvo zvakakosha zvinotariswa.Kunyange zvazvo michina yakawanda ichigadzirwa kubva kumabhillet, zvimwe zvikamu zvinofanirwa kunge zvakanyatsogadzirwa kubva kumabheti akafurati;muchina mumwe chete unofanira kubata zvose kuti uwedzere kukosha kwayo.Izvi zvinodiwa zvinowanzosangana nekupa multi-axis CNC inodzorwa (xyz uye rotary) kufamba uye kushandiswa kwevashandisi HMI nokuda kwepurogiramu yakapusa uye kutonga.Munyaya ye StarCut Tube, imwe itsva tube loading module sarudzo inouya nedivi rekurodha magazini (inonzi StarFeed) yemachubhu kusvika ku 3 m inobvumira zvakakwana kugadzirwa kwezvigadzirwa zve automa.
Iyo nzira yekuchinjika yemashini iyi inowedzerwa nekutsigirwa kwekunyorova uye kwakaoma kucheka uye nyore kuchinjika kuendesa nozzles kune maitiro anoda kubatsira gasi.Spatial resolution inonyanya kukosha kune machining madiki madiki, izvo zvinoreva kuti thermomechanical kugadzikana kunobvisa mhedzisiro yekudengenyeka kunowanzo sangana mumashopu emuchina.The StarCut Tube range inosangana nechido ichi nekuvaka nhamba huru yekucheka granite.
NPX Medical inyanzvi itsva yekugadzira chibvumirano inopa dhizaini, engineering uye precision laser yekucheka masevhisi kune vagadziri vemidziyo yekurapa. Yakatangwa mu2019, kambani yakavaka mukurumbira muindasitiri yezvigadzirwa zvemhando yepamusoro uye inopindura, ichitsigira zvakasiyana-siyana zvemidziyo zvinosanganisira stents, implants, valve stents uye flexible delivery tubes for the same diverse diversal surgical procedures, spinal cardiac, interventions, spinal cardiac, neurogynecological, interventions, neurogynecological, cardiac, uye neurogynecological interventions. strointestinal surgery.Iyo huru laser cutter iStarCut Tube 2+2Â ine StarFiber 320FC ine avhareji yesimba re200 watts.Mike Brenzel, mumwe wevatangi veNPX, akatsanangura kuti "vakatanga vanounza makore ekugadzirwa kwemidziyo yekurapa uye ruzivo rwekugadzira - anopfuura makore makumi mapfumbamwe akazara", ane ruzivo rwakapfuura rwatinoziva tichishandisa michina yeFiber yeStarC. Pamidziyo yakaita semachubhu ane madziro ane madziro uye mavharuvhu emwoyo, tinoda kumhanya, uye laser USP inogona kunonoka pane zvatinoda. Pamusoro pemirairo yekugadzirwa kwevhoriyamu yakakwirira - isu tinoshanda muzvikamu zvidiki zvezvikamu - pakati pe5 ne150 zvidimbu - chinangwa chedu ndechekuzadzisa mabheji madiki aya machinjiro mukati memazuva mashoma, kusanganisira kucheka, kugadzira, kugadzira, kuronga, kuronga, kuronga, kuronga, kuronga, kuronga, kuronga, kuronga, kuronga uye kuronga. makambani makuru. ”Pamusoro pekutaura nezvekumhanya, Brenzel akataura kuvimbika kwemuchina semubairo mukuru, usingade kufona kana sevhisi imwe chete mukati memwedzi gumi nemisere yapfuura yekushanda-kuenderera mberi.
Mufananidzo 2. NPX inopa zvakasiyana-siyana zvemashure ekugadzirisa.Nyero inoratidzwa pano iT316 simbi isina tsvina ine 5mm OD uye 0.254mm rusvingo rwemadziro.Ruboshwe rwakatemwa / microblasted uye chikamu chekurudyi chinonzi electropolished.
Pamusoro pezvikamu zve nitinol, kambani inoshandisawo zvakanyanya cobalt-chromium alloys, tantalum alloys, titanium alloys uye marudzi akawanda emishonga isina tsvina yesimbi.Jeff Hansen, Laser Processing Manager, anotsanangura kuti: "Kushanduka kwemuchina chimwe chinhu chakakosha, chinotibvumira kutsigira kucheka kwemhando dzakasiyana-siyana dzezvinhu, kusanganisira chubhu uye flat flat.Tinogona kutarisa danda pasi kusvika pamakumi maviri-micron nzvimbo, iyo inobatsira kune akawanda Thin machubhu anobatsira zvakanyanya.Mamwe eaya machubhu anongori 0.012 ″ ID, uye chiyero chepamusoro chesimba repamusoro kusvika paavhareji simba reazvino fiber lasers inokwirisa kumhanya kwedu kwekucheka tichiri kupa yaunoda kumucheto mhando.Isu tinoda chaizvo kumhanya kwezvigadzirwa zvakakura zvine dhayamita yekunze inosvika 1 inch. "
Pamusoro pekucheka kwakaringana uye nekupindura nekukurumidza, NPX inopawo huwandu hwakazara hwemashure ekugadzirisa matekinoroji, pamwe neakazara dhizaini masevhisi anowedzera ruzivo rwayo muindasitiri. Matanho aya anosanganisira electropolishing, sandblasting, pickling, laser welding, kugadzika kwekushisa, kuumba, passivation, Af tembiricha kuyedzwa, uye kuneta kuyedzwa, zvese izvo Nitinol kudzora machira ekugadzirisa machira. , “kazhinji kunotsamira pakuti tiri kutaura pamusoro pokuneta zvikuru kana kuti kuneta kwakaderera.Semuenzaniso, chikamu chekuneta chakanyanya sevharuvhu yemoyo inogona kukotama bhiriyoni nguva yehupenyu hwayo sepashure-kugadzirisa Sedanho, zvakakosha kushandisa jecha kuti uwedzere radius yemativi ese.Asi zvinhu zvakaderera-kuneta senge masisitimu ekutumira kana magidhiwaya kazhinji hazvidi kuwanda kwekugadzirisa.Panyaya yehunyanzvi hwekugadzira, Brenzel anotsanangura, ikozvino kune vakawanda seVatatu-vatatu vevatengi vanoshandisawo masevhisi avo ekugadzira kutora mukana werubatsiro rweNPX uye hunyanzvi pakuwana mvumo yeFDA.Kambani yakanaka kwazvo pakushandura pfungwa ye "napkin sketch" kuita chigadzirwa muchimiro chayo chekupedzisira munguva pfupi.
Motion Dynamics (Fruitport, MI) inogadzira zvitubu zvidiki, zvitubu zvekurapa uye magungano ewaya ane chinangwa chekugadzirisa matambudziko evatengi, zvisinei kuti zvakaoma sei kana zvinoita sezvisingagoneke, munguva pfupi yazvinogoneka. Mumidziyo yekurapa, inonyanya kusimbisa magungano akaomarara ekuvhiya neurovascular, kusanganisira dhizaini, kugadzira, uye kuungana kwemhando yepamusoro-soro yekubatanidza mawaya semasenji emagetsi semasenji emagetsi emagetsi semasenji emagetsi emagetsi.
Sezvambotaurwa, kusarudzwa kwefiber kana USP laser inyaya yeinjiniya inofarira pamwe chete nerudzi rwemichina uye maitiro anotsigirwa.Chris Witham, Mutungamiri weMotion Dynamics, akatsanangura kuti: "Kubva pane bhizinesi rebhizimisi rinonyanya kukoshesa zvigadzirwa zveurourovascular, tinogona kuunza migumisiro yakasiyana-siyana mukugadzira, kuuraya uye kushanda.Isu tinongoshandisa laser yekucheka kugadzira zvinhu zvatinoshandisa mumba., kugadzira zvakakosha, "zvakaoma" zvikamu izvo zvave zvakakosha uye mukurumbira wedu;isu hatipe laser yekucheka sechibvumirano sevhisi.Isu takaona kuti kugera kwakawanda kwatinoita kunoitwa zvakanyanya neUSP lasers, uye kwemakore mazhinji ndanga ndichishandisa StarCut Tube neimwe yeaya lasers.Nekuda kwekuda kwakasimba kwezvigadzirwa zvedu, tine maviri maawa masere ekuchinja pazuva, dzimwe nguva kunyange matatu mashifiti, uye muna 2019 tinoda kuwana imwe StarCut Tube kutsigira Kukura uku.Asi panguva ino, isu takasarudza kuenda neimwe yemhando nyowani dzakasanganiswa dzefemtosecond USP lasers uye fiber lasers.Isu takaibatanidza zvakare neStarFeed loader/unloader kuitira kuti tikwanise kunyatso cheka kucheka - mushandisi anongoisa isina chinhu Iyo chubhu inoiswa mufeeder uye chirongwa chekushandisa software yechigadzirwa chinotangwa.
Mufananidzo 3. Iyi chubhu yekuendesa simbi isingachinjiki (inoratidzwa padyo nepenzura yekudzimisa) yakachekwa neMonaco femtosecond laser.
Witham anowedzera kuti kunyange zvazvo vachimboshandisa muchina wekucheka furati, inopfuura 95 muzana yenguva yavo inopedzwa kugadzira kana kushandura cylindrical zvigadzirwa zvemagetsi emagetsi catheter maassemblies, zvinoti hypotubes, coils uye spirals, kusanganisira kucheka profiled matipi uye Cheka maburi. Izvi zvikamu zvinozoshandiswa mukuita senge aneurysm kubviswa kwesimbi isina kuchekwa uye simbi inodiwa. goridhe, platinum uye nitinol.
Mufananidzo 4. Motion Dynamics inoshandisawo laser welding zvakanyanya.Pamusoro, iyo coil yakashongedzwa kune laser cut chubhu.
Ndedzipi sarudzo dzelaser?Witham akatsanangura kuti yakanakisa kumucheto mhando uye mashoma kerfs akakosha kune mazhinji ezvikamu zvawo, saka ivo pakutanga vakada USP lasers. Pamusoro pezvo, hapana kana chimwe chezvinhu zvinoshandiswa nekambani chinogona kutemwa neimwe yeaya lasers, kusanganisira diki diki regoridhe rinoshandiswa se radiopaque mamaki mune zvimwe zvigadzirwa zvayo. kusava nechokwadi kuti fiber optics inogona kupa kukurumidza kwepamusoro, "akadaro. "Asi nekuda kwekutarisa kwedu kwekushandisa, izvi zvinowanzoreva imwe mhando yemashure ekugadzirisa, zvakadai semakemikari uye ultrasonic kuchenesa kana electropolishing.Saka kuva nemuchina wehybrid unotibvumira kusarudza kuti ndeipi maitiro ese - USP chete kana fiber uye post-processing Kubata - Optimum yechimwe nechimwe chikamu.Zvinotibvumira kuongorora mukana weiyo hybrid machining yechinhu chimwe chete, kunyanya panobatanidzwa madhayamita akakura uye ukobvu hwemadziro: kunyangwe kucheka nekukurumidza nefiber lasers, Wobva washandisa femtosecond laser yekucheka kwakanaka.Anotarisira kuti USP laser icharamba iri sarudzo yavo yekutanga nekuti mazhinji ekucheka kwavo laser kunosanganisira ukobvu hwemadziro pakati pe4 ne6 iwe, kunyangwe vachisangana nemadziro makubvu kubva pa1-20 iwe.Mipombi yesimbi isina tsvina pakati pako.
Mukupedzisa, laser kucheka uye kuchera ndiwo maitiro akakosha mukugadzirwa kwemidziyo yekurapa yakasiyana-siyana. Nhasi, nekuda kwekufambira mberi mune yakakosha laser tekinoroji uye yakagadziridzwa michina yakagadziridzwa kune chaiyo inodiwa yeindasitiri, maitiro aya ari nyore kushandisa uye kuunza mhedzisiro iri nani kupfuura kare.