Ma Disc a Titanium a Zamankhwala Ogwiritsidwa Ntchito Pama mano - XINNUO

Ku China, ‌1 mwa 4 aliwonsetitaniyamu ya digiri ya zamankhwalaMa implants amachokera ku ‌Xinnuo‌. Lero, tikukupatsani ma disc athu a titanium‌, omwe ndi ofunikira kwambiri pakugwiritsa ntchito mano.

Chidule cha Zamalonda

Mitundu: Imapezeka mu mawonekedwe ozungulira ndi apakati.

Zipangizo: Titanium Yoyera &aloyi wa titaniyamu.

Mafotokozedwe Okhazikika: Chimbale Chozungulira: Ø98mm, makulidwe 10-25mm.

Chimbale cha Sikweya: 140 × 150mm, makulidwe 10-25mm.

Ma disc a titanium alloy a mano akhala chinthu chofunikira kwambiri pakukonzanso pakamwa kwamakono chifukwa cha magwiridwe antchito awo abwino kwambiri. Alloy yapaderayi imapangidwa ndi titanium ndi aluminiyamu yoyera kwambiri, vanadium ndi zinthu zina mu chiŵerengero cholondola, zomwe zikuwonetsa ubwino wosasinthika pakulumikizana ndi zinthu zachilengedwe, mphamvu yamakina komanso kukana dzimbiri.

Chodziwika kwambiri ndi chakuti imagwirizana bwino kwambiri ndi zinthu zina. Kapepala kokhuthala ka oxide kamapangidwa mwangozi pamwamba pa titanium alloy, zomwe zimapangitsa kuti minofu ya anthu isakanidwe. Kapangidwe kameneka kamachepetsa kwambiri chiopsezo cha kutupa mozungulira ma implants. Deta yachipatala ikuwonetsa kuti kuchuluka kwa zaka khumi zomwe ma implants a titanium alloy amatha kukhala ndi moyo kumatha kufika pa 95%, kuposa zinthu zachikhalidwe za cobalt-chromium alloy.

Ponena za mphamvu za makina, titaniyamu alloys imasonyeza chiŵerengero chodabwitsa cha mphamvu ndi kulemera. Kuchuluka kwake ndi 60% yokha ya chitsulo, koma mphamvu yokoka imatha kufika pa 900MPa, ndipo modulus yotanuka ili pafupi ndi minofu yachilengedwe ya mafupa. Izi zimathandiza kupewa "kuteteza kupsinjika". Kapangidwe kake kofanana ndi disc ndikoyenera kwambiri popanga ma abtments opangidwa ndi implant, omwe amatha kufalitsa mphamvu yoluma mofanana ndikuletsa kusungunuka kwa mafupa. Ukadaulo wa CNC wokonza makina umatha kuukonza kukhala woonda kwambiri wa 0.3mm pomwe umakhalabe ndi kukana kwabwino kwambiri kwa kusintha kwa zinthu.

Kukana dzimbiri nakonso n'kwabwino kwambiri. Mu malo ovuta a electrolyte a malovu, kuchuluka kwake kwa dzimbiri pachaka kumakhala kochepera 0.001mm, zomwe zimakhala bwino kwambiri kuposa chitsulo chosapanga dzimbiri. Pambuyo popaka mafuta, pamwamba pake pamatha kupanga mitundu yosiyanasiyana, yomwe ndi yosavuta kuzindikirika ndi kuyiyika panthawi ya opaleshoni ndipo imatha kukonza kukongola kwake.

Ubwino wa ukadaulo wopangira zinthu suyenera kunyalanyazidwa. Kupangidwa bwino kwa titanium alloy komanso kutentha kochepa kumathandiza kuti igwiritsidwe ntchito pogwiritsa ntchito ukadaulo wopangira zinthu molondola monga kudula laser ndi electrospark machining. Makina amakono a CAD/CAM amatha kuikonza kukhala kapangidwe ka microporous kolondola kwa 50μm. Malo oboola awa amalimbikitsa kulumikizidwa kwa osteoblast ndikuwonjezera liwiro la mgwirizano wa mafupa ndi 40%.

Zinthuzo zimagwirizananso bwino kwambiri ndi zithunzi. Palibe zinthu zakale zomwe zimachitika panthawi yofufuza za CT, ndipo palibe kusokoneza kwa maginito m'malo a MRI, zomwe zimapangitsa kuti chithunzi chizioneka bwino poyesa pambuyo pa opaleshoni. Ndikoyenera kunena kuti kuchuluka kwa kutentha komwe kumapangidwa kumafanana kwambiri ndi enamel yachilengedwe, zomwe zimathandiza kupewa kutuluka kwa madzi pang'ono m'thupi chifukwa cha kusintha kwa kutentha.

Pogwiritsa ntchito ukadaulo wosindikiza wa 3D, ma disc a titanium alloy tsopano amatha kupanga ma implants omwe ali ndi mapangidwe a bionic trabecular. Kapangidwe katsopano kameneka kamawonjezera kukhazikika koyamba ndi 30% ndikufupikitsa nthawi yochira kufika pa masabata 3-4. Makhalidwe oteteza chilengedwe nawonso ndi abwino kwambiri. Ndi yobwezerezedwanso 100% ndipo ikugwirizana ndi lingaliro la chitukuko chokhazikika cha mankhwala amakono.