L605, MP35N & CoCrMo Rau Cardiovascular Stents: Daim Ntawv Qhia Tag Nrho Rau Cov Neeg Yuav Khoom Thoob Ntiaj Teb

 

Vim li cas Lub plawv Stent Manufacturers yuav tsum tau tsom rau kev kho mob -Qib Cobalt Alloys

 

Xyoo 2025, kev lag luam thoob ntiaj teb rau cobalt-chromium alloy coronary stents mus txog kwv yees li US $ 987 lab; Nws tau kwv yees tias yuav loj hlob ntawm qhov kev loj hlob txhua xyoo (CAGR) ntawm 6.71%, ncav cuag US $ 1.556 billion los ntawm 2032. Lub caij no, tag nrho cov coronary stent kev lag luam yuav tsum ncav cuag US $ 14.6 billion los ntawm 2035. Ua tsaug rau lawv lub zog siab, nyias- phab ntsa tsim, thiab cov khoom siv zoo heev qaug zog, cobaltium{9} cov khoom siv tseem ceeb tau ua rau cov khoom siv coronary. tshuaj- tshem tawm cov stents, tau txais kev lees paub thoob plaws hauv Suav thiab thoob ntiaj teb cov kev pabcuam hauv nruab nrab.

 

Kev txhawb nqa cov thev naus laus zis no yog siv cov khoom kho mob -qib cobalt-chromium alloy cov ntaub ntawv. Raws li cov tub ntxhais substrate rau cov hlab plawv stents, cov alloy cov khoom ncaj qha cuam tshuam rau stent lub radial txhawb zog, yooj, thiab ntev - lub sij hawm implantation kev nyab xeeb.

 

Yog tias koj yog ib tus kws tshaj lij uas koom nrog R&D lossis kev yuav khoom ntawm cov khoom siv kho mob plawv thiab tab tom nrhiav kev kho mob -qib cobalt alloy tus neeg muag khoom uas ua tau raws li cov qauv thoob ntiaj teb thiab cov kev cai xa tawm, tsab xov xwm no tau sau los ntawm Lork Group raws li ob xyoos ntawm kev paub txog kev kho mob cobalt alloy xa tawm cov ntawv xaj - muab cov ntaub ntawv qhia txog txhua yam khoom siv.

 

Vim li cas Cobalt -Chromium Alloys yog qhov kev xaiv zoo tshaj plaws rau Cardiac Stents

 

Kev siv kev kho mob -qib cobalt-chromium alloys rau lub plawv stents tsis yog ib qho xwm txheej; Lawv cov txiaj ntsig tseem ceeb tuaj yeem sau tau raws li hauv qab no:

 

 

• Superior Biocompatibility thiab Corrosion Resistance:Lub zog tshwj xeeb (dhau 240 ksi los ntawm kev ua haujlwm txias thiab lub hnub nyoog hardening), zoo heev corrosion kuj (piv rau cov titanium ntshiab thiab superior rau stainless hlau los yog npib tsib xee-raws li alloys), thiab biocompatibility zoo heev kom ruaj khov thiab kev ntseeg siab nyob rau hauv lub physiological ib puag ncig.

 

• Zoo heev Radiopacity:Qhov siab ceev ntawm cobalt-chromium alloy muab ntuj X-ray visibility, ua rau cov kws kho mob kom raug txoj hauj lwm thiab xa cov stent thaum muaj kev cuam tshuam cov txheej txheem.

 

• Tsawg Recoil Rate:Cobalt-chromium stents pom qhov qis qis ntawm kwv yees li 3.4%, kom ntseeg tau tias qhov zoo tshaj plaws rau phab ntsa hlab ntsha thiab txo qhov kev pheej hmoo ntawm thrombosis.

 

Daim ntawv qhia ceev rau Kev Kho Mob Cobalt Alloy Qib thiab Cov Qauv

 

 

Nco tseg:Ntawm cov no, L605 yog suav hais tias yog ib qho ntawm cov khoom siv zoo tshaj plaws rau lub plawv stents vim nws qhov ceev dua, superior elastic modulus, zoo heev radiopacity, thiab tsawg recoil tus nqi. Nws nthuav tawm lub zog tensile ib txwm ntawm 900-1300 MPa thiab hardness ntawm 350-500 HV, sib txuas lub zog zoo nrog kev ua haujlwm zoo.

Kev Sib Tham Txog Kev Kho Mob Alloy

 

 

Vim li cas thiaj xaiv peb?

 

Hauv kev ua lag luam thoob ntiaj teb, Lork Group Co., Ltd. yog ib tus neeg muag khoom hauv Suav teb ntawm cov khoom siv kho mob uas tau lees paub nyob ze. Nws cov kws tshaj lij thiab kev paub txog kev xa tawm thoob ntiaj teb ua rau nws muab cov saw hlau ruaj khov rau cov neeg yuav khoom thoob ntiaj teb.

 

Plaub Qhov Zoo Tshaj Plaws

 

1. Cov Khoom Muag Khoom Muag thiab Cov Ntawv Pov Thawj: Lork Group muab ntau yam ntawm ASTM-tus qauv cobalt-chromium alloys, suav nrog F75 (cam khwb cia), F799 (thermomechanically ua), F1537 (wrought), F90 (L605), thiab F562 (MP35N).
2. Kev Tswj Xyuas Kev Ua Raws Cai: Cov khoom muab los ntawm Lork Group nruj me ntsis ua raws li cov qauv thoob ntiaj teb xws li ASTM F90, F562, thiab F1537, kom ntseeg tau tias ua raws li cov kev cai tswj hwm ntawm lub teb chaws import cov khoom siv kho mob.
3. Ntiaj teb no Export Peev xwm thiab Customization Services: Lork Group tau tsim ib lub ntiaj teb no mov saw network muab ceev ceev thiab kev sib tw nqi, nrog rau customized alloy compositions thiab ua cov txheej txheem raws li cov neeg xav tau kev pab.
4. Robust Quality Management System: Lub tuam txhab siv cov chaw sim siab tshaj plaws thiab cov txheej txheem tswj xyuas nruj kom ntseeg tau tias txhua pawg ua tau raws li kev nyab xeeb thiab kev ua tau zoo tshaj plaws, suav nrog ISO 13485 (Kev Tswj Xyuas Zoo rau Cov Khoom Siv Kho Mob) thiab ISO 10993 (Biocompatibility Testing Standards).

 

Kev kho mob-qib cobalt alloy cov ntaub ntawv xa tawm thoob ntiaj teb- qhia peb lub peev xwm.

 

Lork Group tau tsim kev sib koom ua ke ntev - sawv thiab txhim khu kev qha hauv ntiaj teb cov khoom siv kho mob thoob ntiaj teb. Cov hauv qab no yog cov qauv xaiv uas qhia tau hais tias nws muaj peev xwm export:

 

 

Lork Group cov khoom tau txais kev lees paub thoob ntiaj teb. Piv txwv li, nwsASTM F1537 CoCrMoalloy-nrov nrov rau nws lub neej qaug zog siab thiab zoo heev biocompatibility- yog siv dav hauv kev hloov hauv lub hauv caug thiab lub duav nrog rau cov txha caj qaum, thiab raug xa tawm mus rau kev lag luam kho mob loj thoob plaws Europe thiab Asmeskas. NwsMP35N cobalt alloy, siv rau lub plawv valve thav duab, muaj kev ruaj khov nyob rau hauv ib puag ncig corrosive heev, ua rau cov engineers tsim los xaiv cov khoom siv zoo tshaj plaws rau cov khoom siv plawv.

 

Hais txog qhov muaj peev xwm ua tau zoo, Lork Group tshwj xeeb hauv kev muab CoCrMo tuav, rods, thiab cov xov hlau uas ua tau raws li ASTM F1537 thiab ISO 5832-12 cov qauv. Cov ntaub ntawv no tau tsim tshwj xeeb rau kev cog hniav txha caj qaum, cov cuab yeej orthopedic, thiab cov cuab yeej phais, thiab lub tuam txhab tau tsim muaj cov neeg siv khoom zoo hauv cov khw European thiab Asmeskas.

 

Kev soj ntsuam zoo: Ua kom muaj kev taug qab rau txhua qhov kev cog qoob loo.

 

Hauv kev tsim khoom siv kho mob-tshwj xeeb tshaj yog rau Class III implantable devices xws li cardiac stents thiab lub plawv valve thav duab -tsis muaj cov npoo rau qhov yuam kev txog cov khoom zoo. Ib qho kev tsis pom zoo sab hauv hauv ib pawg tuaj yeem ncaj qha ua rau qhov tsis ua tiav ntxov ntawm kev cog qoob loo hauv lub cev, ua rau tus neeg mob lub neej txaus ntshai.

 

Qhov no yog qhov tseeb vim li cas Lork Group suav nrog kev tshuaj xyuas zoo raws li qhov tseem ceeb ntawm cov khoom siv, tsis yog qhov kawg nkaus xwb.

 

Tag nrho - chain quality soj ntsuam system

 

Lork Group tau tsim kom muaj kev ntsuam xyuas zoo uas npog tag nrho cov txheej txheem- los ntawm kev noj cov khoom siv raw thiab hauv - txheej txheem kev tshuaj xyuas mus rau kev tso tawm cov khoom tiav-anchored los ntawm ISO 13485 kev tswj xyuas zoo rau cov cuab yeej kho mob thiab txhawb nqa los ntawm cov chaw soj ntsuam kev ua haujlwm raws li ISO/IEC 17025 tus qauv.

 

Thawj Kab Ntawm Kev Tiv Thaiv: Tshuaj Ntsuam Xyuas Cov Khoom Siv Tshuaj

Ua ntej tawm hauv lub Hoobkas, txhua pawg kho mob-qib cobalt alloy yuav tsum tau kuaj xyuas cov tshuaj lom neeg muaj pes tsawg leeg kom ua tau raws li ASTM cov qauv (F90/F1537/F562) thiab ISO 5832 series ntawm cov qauv. Lork Group ntiav Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) thiab X-ray Fluorescence (XRF) spectrometry los ntsuas cov ntsiab lus tseem ceeb-xws li cobalt (Co), chromium (Cr), molybdenum (N}) zoo li{9} nce, thiab carbon, silicon, phosphorus, thiab sulfur. Daim Ntawv Tshaj Qhia Zeb Xeem (MTR) rau txhua qhov khoom batch suav nrog cov cua sov / ntau tus lej thiab cov ntaub ntawv txheeb xyuas cov tshuaj muaj pes tsawg leeg ntawm nws tus kheej.

 

Kab thib ob ntawm Kev Tiv Thaiv: Kev Ntsuas Cov Khoom Siv Hluav Taws Xob

Lork Group siv cov tshuab ntsuas thoob ntiaj teb thiab cov ntsuas qhov tawv tawv digital los ua chav - ntsuas qhov ntsuas kub ( ntsuas lub zog tensile, lub zog tawm los, thiab elongation) thiab Rockwell hardness kuaj ntawm txhua pawg ntawm cov khoom. Siv ASTM F1537-raws li forged CoCrMo alloy ua piv txwv, cov khoom muaj lub zog tensile ntawm Greater dua los yog sib npaug rau 170 ksi (kwv yees . 1170 MPa), 0.2% yield zog ntawm Greater los yog sib npaug rau 120 ksi (kwv yees li . 827} elong) thiab sib npaug Rockwell hardness tswj ntawm 35 thiab 45 HRC. Tag nrho cov cuab yeej cuab yeej cuab tam raug kaw nyob rau hauv cov ntaub ntawv traceable batch, yooj yim rau kev ua raws li kev txheeb xyuas cov ntaub ntawv raw rau cog los ntawm cov neeg siv khoom, tshwj xeeb tshaj yog cov tuam txhab kho mob.

 

Thib peb kab ntawm Kev Tiv Thaiv: Metallographic Analysis

Kev tshuaj xyuas metallographic yog qhov tseem ceeb rau cobalt -chromium alloys; yam xws li cov nplej loj, cov ntsiab lus suav nrog, thiab theem faib ncaj qha txiav txim siab lub neej ntev - lub sij hawm qaug zog thiab corrosion stability ntawm stent thaum nyob rau hauv - vivo kev pab cuam. Lork Group ntiav optical metallographic microscopes thiab scanning electron microscopes (SEM) los ua metallographic tsom xam ntawm cov ntaub ntawv. Raws li ASTM E112 tus qauv, Lork Group xyuas kom meej tias cov nplej loj tsis muaj coarser dua qib 5 (qhia tau zoo, cov nplej zoo ib yam) thiab tuaj yeem ua raws li cov neeg siv khoom- cov kev cai tshwj xeeb rau qhov loj me me (raws li kev pom zoo).

 

Hais txog kev tshawb pom ntawm cov khoom tsis yog -hlau sib xyaws thiab cov teeb meem theem nrab cov kab mob, Lork Group siv SEM ua ke nrog lub zog -dispersive spectroscopy (EDS) los ntsuas cov hom, qhov loj me, thiab kev faib tawm qhov ntom ntom ntawm cov khoom sib xyaw. Kev tshuaj xyuas microstructural tuaj yeem nthuav tawm qhov tsis xws luag xws li cov nplej ntxhib, sib xyaw ntau dhau, micro- tawg, porosity, thiab kev sib cais ntawm lub hauv paus. Tsis tas li ntawd, Lork Group ntsuas cov qoob loo raws li ASTM E112 tus qauv kom ntseeg tau tias microstructural uniformity ua tau raws li qhov yuav tsum tau ua rau kev kho mob - qib khoom siv.

 

Plaub kab ntawm Kev Tiv Thaiv: Tsis yog -Kev Ntsuas Kev Puas Tsuaj (NDT)

Rau qhov loj - kab kab kab thiab qhov tseeb- cov khoom forged, Lork Group muab kev kuaj ultrasonic (UT) txhawm rau txheeb xyuas qhov tsis xws luag sab hauv xws li porosity, shrinkage kab noj hniav, tawg, thiab kev suav nrog. Cov cuab yeej ntsuas ultrasonic ua rau qhov chaw nyob hauv bidirectional-ob leeg axial thiab circumferential- thiab cov ntaub ntawv ua tiav qhov tsis xws luag waveforms, kom ntseeg tau tias qhov zoo ntawm txhua pawg tuav tau raws li cov qauv ua ntej xa khoom. Rau cam khwb cia lossis precision- cov khoom forged, Lork Group tseem tuaj yeem muab kev kuaj hluav taws xob (RT) raws li cov neeg siv khoom thov, ntsuas qhov tsis xws luag sab hauv tiv thaiv kev txwv tsis pub ua raws li ISO 9584 cov qauv.

 

Fifth Line of Defense: Surface Quality and Dimensional Inspection

Rau cov pas nrig thiab cov xov hlau raug xa mus rau cov chaw tsim khoom ntawm lub plawv stents thiab li qub, Lork Group ntiav cov neeg ua haujlwm dawb -lub teeb interferometry los ntsuas qhov roughness ntawm qhov chaw (Ra tus nqi), laser confocal microscopy los soj ntsuam 3D topography, thiab profilometry los kuaj pom geometric deviations. Qhov no ua kom pom qhov roughness ntawm qhov tsawg dua lossis sib npaug rau Ra 0.4 µm, nrog qib qis qis dua lossis sib npaug Ra 0.2 µm ua tiav rau cov khoom siv tshwj xeeb. Tsis tas li ntawd, Lork Group ua qhov kev ntsuam xyuas kev ntxhov siab (ntawm X-ray diffraction), fluorescent penetrant inspection (FPI), thiab magnetic particle testing (MT) kom paub meej txog qhov muaj cov kab nrib pleb thiab lwm yam tsis xws luag.

 

Lub Sixth Line of Defense: Biocompatibility Verification

Tag nrho cov kev kho mob -qib cobalt-chromium alloys muab los ntawm Lork Group ua raws li ISO 10993 series ntawm cov qauv rau biocompatibility. Rau txhua qhov khoom siv batch,Cov ntaub ntawv qhia txog kev kuaj cytotoxicity, kev ntsuam xyuas sensitization, thiab kuaj corrosion hauv simulated lub cev kua ib puag ncig(electrochemical corrosion tests los yog immersion tests) tuaj yeem muab tau raws li cov neeg siv khoom thov kom paub tseeb tias cov khoom ruaj khov thiab tsis muaj kev cuam tshuam tsis zoo nyob rau hauv ib puag ncig physiological.

 

Lub Xya Hli ntawm Kev Tiv Thaiv: Traceability System

Ntawm Lork Group, txhua daim ntawm cov khoom siv raw yog them los ntawm cov txheej txheem traceability uas taug qab nws txoj kev taug kev los ntawm cov khoom sib tov mus rau cov khoom tiav tso tawm. Tag nrho cov ntaub ntawv tshuaj xyuas- suav nrog kev tshuaj xyuas tshuaj muaj pes tsawg leeg, cov txiaj ntsig ntawm kev ntsuas cov cuab yeej cuab tam, kev ntsuam xyuas microstructure, tsis yog - cov ntaub ntawv kuaj kev puas tsuaj, thiab cov ntaub ntawv qhia txog biocompatibility- tau muab tso ua ke rau hauv daim ntawv pov thawj zoo rau txhua pawg. Cov ntaub ntawv no raug xa mus rau cov neeg siv khoom nrog rau cov khoom lag luam thiab khaws cia sab hauv los ntawm Lork Group rau tsawg kawg kaum xyoo kom ua tau raws li kev soj ntsuam raws li cov cai ntawm thoob ntiaj teb cov cuab yeej tswj hwm lub cev.

 

Hais txog Lork Group

 

Yog tias koj tab tom nrhiav kev kho mob -qib cobalt alloys uas ua tau raws li cov qauv thoob ntiaj teb rau cov hlab plawv stents lossis cov khoom siv hauv plawv, thov mus saib hauv Lork Group lub vev xaib (www.lorkalloy.com) lossis tiv tauj peb pab pawg muag khoom ncaj qha nrog koj cov kev cai tshwj xeeb (qib alloy, qhov ntev / daim ntawv, thiab cov qauv siv tau).

 

Lork Group cog lus tias yuav muab:

Tag nrho cov ntaub ntawv ua raws li cov ntaub ntawv (nrog rau cov tshuaj muaj pes tsawg leeg thiab cov cuab yeej ntsuas cov khoom siv)

Kev txiav txim siab tsawg kawg nkaus kom muaj nuj nqis los txhawb R&D validation thiab me me -batch mus sib ntau lawm

Kev tshaj lij kev cai-dim machining kom ntseeg tau tias muaj kev ua haujlwm siab hauv qhov kawg ntawm kev tsim khoom

Kev txhawb nqa thoob ntiaj teb kev txhawb nqa los tshawb txog qhov nyuaj thoob ntiaj teb kev lag luam ib puag ncig

 

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Lork Group|Brand & Marketing Department
Email:susan@lorkgroup.com

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