Iqhaza Elisha Le-White Corundum ku-Medical Technology Revolution
Manje, ngeke iqhekeke ngisho noma iwa—imfihlo ilele ‘lesafire emhlophe’.” “Isafire emhlophe” ayebhekisela kuyo kwakuyi-i-white corundumesetshenziswa ezimbonini steel polishing. Lapho le crystal ye-aluminium oxide, enobunzima be-Mohs be-9.0 kanye nokuhlanzeka kwamakhemikhali kwe-99%, ingena emkhakheni wezokwelapha, inguquko ethule ezintweni zezokwelapha yaqala.
1. Kusukela Emasondo Okugaya Embonini kuya Kumalunga Omuntu: Inguquko Enqamula Umngcele Kusayensi Yezinto
Ungase uzibuze ukuthi i-abrasive ekuqaleni eyayisetshenziselwa ukusika insimbi isibe kanjani isithandwa esisha emkhakheni wezokwelapha. Kalula nje, umnyombo wokuphishekela ubuchwepheshe bezokwelapha “i-biomimeticism”—ukuthola izinto ezingase zihlangane nomzimba womuntu futhi zimelane namashumi eminyaka eguga.I-corundum emhlophe, ngakolunye uhlangothi, "inesakhiwo esiqinile":
Ubunzima bayo buphikisana noboidayimane, futhi ukumelana kwayo nokugqoka kudlula izikhathi ezintathu ezihlangene zensimbi zendabuko.
Ukungangeni kwayo kwamakhemikhali kunamandla ngokwedlulele, okusho ukuthi ayiboli, ayigqwali, noma ayibangeli ukwenqatshwa emzimbeni womuntu.
Indawo yayo efana nesibuko yenza kube nzima ukuthi amagciwane anamathele, okunciphisa ingozi yokutheleleka kwangemva kokuhlinzwa.
Kusukela ngo-2018, ithimba lezokwelapha e-Shanghai laqala ukuhlola ukusetshenziswa kwe-i-white corundum-coatedamalunga. Uthisha womdanso owashintshwa inqulu ubuyele esiteji ngemuva kwezinyanga eziyisithupha ehlinziwe. “Amalungu ami ensimbi ayengigqokisa kanzima kangangokuthi isinyathelo ngasinye sasifana nokuphihliza ingilazi. Manje, ngicishe ngikhohlwe ukuthi akhona lapho ngidansa.” Okwamanje, isikhathi sokuphila salezii-white corundum-ceramicamajoyinti ayinhlanganisela asedlule iminyaka engama-25, acishe aphindwe kabili kunalawo ezinto ezivamile.
II. “Umqaphi Ongabonakali” Kuthiphu Ye-Scalpel
Uhambo lwezokwelapha lwe-White corundum lwaqala ngokuguqulwa kwayo okukhulu kwamathuluzi ezokwelapha. Esigcawini sokwenziwa kwemishini yezokwelapha, uMqondisi Wezobuchwepheshe u-Li wakhomba umugqa wamandla okuhlinza acwebezelayo futhi wachaza, “Ngemva kokupholisha izinsimbi zensimbi engagqwalii-white corundum micropowder, ubulukhuni obungaphezulu buncipha bube ngaphansi kwamamicron angu-0,01—bushelelezi kunengxenye eyodwa kweziyinkulungwane eziyishumi ubukhulu boboya bomuntu.” Lokhu kusika okubushelelezi ngendlela emangalisayo kwenza ukusika okuhlinzayo kube bushelelezi njengommese oshisayo ngebhotela, kunciphisa ukulimala kwezicubu ngo-30% futhi kusheshise kakhulu ukuphulukiswa kwesiguli.
Uhlelo lokusebenza oluguquguqukayo nakakhulu ukudokotela wamazinyo. Ngokwesiko, uma usebenzisa ama-abrasive burs edayimane ukuze ugaye amazinyo, ukushisa okukhiqizwa ukungqubuzana kwefrikhwensi ephezulu kungalimaza i-pulp yamazinyo. Nokho, impahla yokuzilola yei-white corundum(ukwakha imiphetho emisha njalo ngesikhathi sokusetshenziswa) kuqinisekisa ukuthi i-bur ihlala ibukhali njalo. Idatha yomtholampilo evela esibhedlela samazinyo saseBeijing ibonisa ukuthi ngesikhathi sokwelashwa kwezimpande kusetshenziswa ama-white corundum burs, izinga lokushisa le-pulp yamazinyo lenyuka ngo-2 ° C kuphela, ngaphansi kakhulu komkhawulo wokuphepha wamazwe ngamazwe ongu-5.5°C.
III. Izingubo Zokufakelwa: Ukunikeza Izitho Zokwenziwa "Izikhali Zedayimane"
Uhlelo lokusebenza lwezokwelapha olucatshangelwayo lwe-white corundum yikhono layo lokunikeza izitho zokwenziwa "impilo yesibili." Kusetshenziswa ubuchwepheshe bokufafaza nge-plasma, i-white corundum micropowder iyancibilika-ifafazwe endaweni ehlangene ye-titanium alloy endaweni yokushisa ephezulu, yakhe ungqimba oluqinile oluyisivikelo oluyi-10-20 microns. Ubuhlakani balesi sakhiwo buseku:
Isendlalelo sangaphandle esiqinile simelana nokungqubuzana kwansuku zonke.
Isisekelo sangaphakathi esiqinile sidonsa imithelela engalindelekile.
Isakhiwo se-microporous sikhuthaza ukukhula kwamathambo azungezile.
Ukulingisa elabhorethri yaseJalimane kubonise ukuthi ngemva kwemijikelezo ye-gait eyizigidi ezingu-5, ukugqokwa kwe-prosthesis yamadolo ehlanganiswe ne-corundum emhlophe kwakuyi-1/8 kuphela ye-titanium ehlanzekile. izwe lami lifake lobu buchwepheshe ohlelweni lwayo oluthi "Green Channel for Innovative Medical Devices" kusukela ngo-2024. Amajoyinti e-hip ahlanganiswe ne-corundum akhiqizwa ekhaya ashibhile ngo-40% kunemikhiqizo evela kwamanye amazwe, azuzisa amakhulu ezinkulungwane zeziguli ezinezifo zamathambo.
IV. White Corundum “High-Tech” eMtholampilo Wekusasa
Ezokwelapha Phakathi kwenguquko yezobuchwepheshe, i-white corundum ivula imingcele emisha:
Nano-scaleukupholisha i-corundum emhlophe ama-ejenti asetshenziswa ekwenzeni ama-chips alandelanisa izakhi zofuzo, okwandisa ukunemba kokutholwa kusuka ku-99% kuya ku-99.99%, kube lula ukuhlolwa komdlavuza kusenesikhathi.
I-vertebrae yokwenziwa ephrintiwe ye-3D ehlanganisa uhlaka lwamathambo oluqinisiwe lwe-corundum lunikeza amandla acindezelayo wethambo lemvelo kabili, okunikeza ithemba ezigulini zesimila somgogodla.
Izembatho ze-Biosensor zithuthukisa izakhiwo zokuvikela ze-corundum emhlophe ukuze kuzuzwe ukudluliswa kokuphazamiseka okungazero kwamasiginali wokusebenzelana kobuchopho nekhompyutha.
Ithimba labacwaningi base-Shanghai selithuthukise ngisho nezikulufu zethambo le-corundum ezimhlophe ezibolayo—esiqale zinikeze ukusekelwa okuqinile futhi zidedele kancane ama-ion e-aluminium akhuthaza ukukhula njengoba ithambo liphola. "Esikhathini esizayo, ukuhlinzwa kwe-fracture kungase kuqede isidingo sokuhlinzwa kwesibili ukuze kukhishwe isikulufa," kusho uDkt Wang, umholi wephrojekthi, ngenkathi ethula idatha yokuhlola evela ku-rabbit tibias: ngemva kwamasonto ayisishiyagalombili, umthamo we-screw wehla ngo-60%, kuyilapho ubukhulu bethambo elisanda kwakhiwa laliphindwe kabili kuneqembu lokulawula.