Pain Points

Braid termination xaus sawv cev rau qhov chaw siab tshaj plaws-tsis ua haujlwm-kev pheej hmoo rau braided hypotube. Raws li rov khoov, torsion thiab tensile loading thaum lub sij hawm soj ntsuam kev cuam tshuam, braid xov hlau ntawm lub davhlau ya nyob twg npoo yuav fray, cais los yog delaminate los ntawm lub hauv paus hypotube substrate. Loose braid fragments nyob rau hauv tib neeg cov hlab ntsha ua rau muaj kev nyab xeeb txaus ntshai rau cov hlab plawv, urinary thiab neuro-interventional txheej txheem. Txawm hais tias lub ntsiab lub cev braid kev ua tau zoo raws li cov kev qhia tshwj xeeb, kev ua haujlwm tsis zoo yuav ua rau muaj kev tsis lees paub tag nrho. Ntau pab pawg txhim kho tau nqis peev loj rau kev ua kom zoo dua braid lub ntsiab lub cev tsis tau tsis quav ntsej txog kev txiav tawm-kawg tsim thiab txheej txheem validation. Cov ntaub ntawv sib txawv hauv paus-tube (stainless steel, Nitinol, L605) xav tau cov kev daws teeb meem sib txawv. Kev sib txuas tsis raug lossis crimping qhia txog kev ntxhov siab hauv zos ntau dhau thiab ua rau muaj kev qaug zog thaum ntxov. Base hypotube tej zaum yuav muaj laser-txiav kauv, radial lossis bespoke qauv thoob plaws Ø0.20 mm-20 mm dimension ntau yam nrog yam tsawg kawg nkaus 0.012 mm kerf dav, tsim raws li ISO9001: 2015 thiab ISO13485 cov qauv. Cov kev cai txiav tawm tuaj yeem xa tuaj raws li cov neeg siv khoom 2D / 3D kos duab lossis kuaj lub cev.

Txoj Cai Ua Haujlwm

Braided hypotube lub braid mesh yog mechanically interwoven tab sis tsis inherently tsau ntawm ob lub davhlau ya nyob twg. Yog tsis muaj kev txhim kho txhim khu kev qha, cyclic deformation yuav ua rau cov hlua khi hlua khi thiab sib cais los ntawm lub hauv paus-tube nto, tsim fraying thiab delamination. Cov txheej txheem kev txiav tawm feem ntau suav nrog hlau crimping, polymer potting bonding, laser welding thiab kev sib koom ua ke txhua yam. Crimping squeezes lub tes tsho sab nraud kom compress braid xov hlau nruj nreem tiv thaiv lub hauv paus hypotube; potting siv biocompatible polymer nplaum rau encapsulate braid-kawg xov hlau; laser-welding melts braid hlau terminals mus rau lub hauv paus-tube sab nrauv; mechanical interlocking siv lub hauv paus-tube laser-txiav qhov rau xauv braid-hlau terminals. Txhua txoj kev txiav tawm muaj qhov sib txawv ntawm kev ntxhov siab-kev faib tawm. Kev ntxhov siab hauv cheeb tsam yuav tshwm sim ntawm thaj tsam nruab nrab ntawm thaj chaw ruaj khov thiab tsis pub dawb-braid lub ntsiab-lub cev. Thaum lub hauv paus hypotube nqa cov qauv laser-txiav, kerf-hauv paus kev ntxhov siab yuav tsum tau txiav txim siab ua ke nrog kev ntxhov siab-zone. Cov kws tsim qauv xaiv cov cuab yeej txiav tawm thiab txhais cov kev hloov pauv ntawm thaj chaw geometry kom cuam tshuam kev ntxhov siab, tiv thaiv kev pib tawg thiab braid-wire loosening. Termination-end tsim yuav tsum sib phim lub hauv paus-tube thiab braid-wire alloy zog.

Kev faib khoom siv

Peb cov cuab yeej loj pab pawg lav braided hypotube termination-kawg kev ntseeg tau. Ua ntej, braiding ntau lawm tshuab: txhawb tshwj xeeb xaim-kawg layout rau kev txiav tawm tom ntej thaum braid weaving. Thib ob, kev txiav-ua cov khoom siv tshwj xeeb: cov chaw nres tsheb precision crimping, kev kho mob-qib polymer potting dispensing systems, micro-laser vuam platforms thiab cov cuab yeej sib txuas sib txuas. Thib peb, tom qab ua tiav thiab siv tau cov cuab yeej kuaj xyuas: deburring thiab passivation units, thiab mechanical-test bench rau termination-rub-out test, cyclic-bending fatigue test thiab torsion-durability assessment. Base hypotube substrates yog tsim los ntawm laser-txiav workstations, npog Ø0.20 mm-20 mm tubing nrog yam tsawg kawg nkaus 0.012 mm kerf dav, rau ib tus neeg siv khoom 2D / 3D kos duab lossis qauv. Tag nrho cov txheej txheem tsim khoom ua raws li ISO9001: 2015 thiab ISO13485 kev tswj hwm-kev tswj hwm zoo. Raw-material tshuaj ntsuam xyuas lub hauv paus-tube, braid-wire thiab bonding nruab nrab zoo. Kev ntim khoom tiav txhawb nqa cov thawv ntawv lossis cov neeg siv khoom tshwj xeeb.

Cov Txheej Txheem Ua Haujlwm Zoo

Qhia meej qhov chaw kho mob rau qhov kev txiav tawm xaus: qhov siab tshaj plaws tensile rub tawm quab yuam, cyclic dabtsi yog khoov thiab torsion suav. Paub meej tias lub hauv paus-tube thiab braid-wire alloy cov ntaub ntawv. Xaiv cov kev daws teeb meem tsim nyog: crimping, potting bonding, laser vuam lossis mechanical interlocking. Txhais qhov ntev-zone length, kev hloov-zone gradient thiab qhov ntev kam rau siab ntawm engineering drawings. Yog tias lub hauv paus hypotube siv cov qauv laser-txiav, tsis txhob tso tseg ciam teb sab xis saum toj siab-stress kerf-hauv paus txoj haujlwm. Xa 2D / 3D kos duab lossis qauv lub cev rau kev tshuaj xyuas kev tsim khoom. Tsim cov qauv qauv nrog kev ua tiav tiav. Ua qhov kev txiav txim siab-txhim kho qhov tseeb: rub tawm qhov kev tiv thaiv kev sim, cyclic dabtsi yog khoov-torsion qaug zog kuaj tsom rau thaj tsam txiav. Yog hais tias delamination los yog fraying tshwm, kho cov qauv txiav, txheej txheem tsis los yog hloov-zone design. Ua kom tiav braiding, txiav fabrication, deburring, tu thiab passivation tom qab ua tiav. Ua tag nrho qhov loj me thiab qhov zoo-zoo tshuaj ntsuam xyuas, them nyiaj tshwj xeeb rau kev txiav tawm-kawg zoo li. Txais cov thawv txheem los yog cov neeg siv khoom tshwj xeeb ntim. Khaws cov ntaub ntawv ua tiav ISO-raws li batch traceability.

Kev paub txog kev lag luam

Kev ua lag luam qhia tau hais tias braid fraying thiab delamination yuav luag ib txwm pib los ntawm qhov xaus-kawg hloov chaw. Kev hloov pauv nyuaj-rau-mos hloov pauv ntawm thaj chaw ruaj khov thiab tsis pub dawb braid lub ntsiab-lub cev tsim kom pom tseeb kev ntxhov siab; maj mam hloov geometry zoo txo ​​qhov kev pheej hmoo ua tsis tiav. Laser-welding txiav rau Nitinol braided hypotube xav tau kev tswj xyuas cov cua sov kom nruj kom tsis txhob thermal puas rau Nitinol superelastic kev ua tau zoo. Potting-bonding termination ntsib txoj kev pheej hmoo ntawm cov nplaum aging thiab interface-delamination nyob rau hauv lub sij hawm ntev cyclic load; rub tawm thiab kev sim qaug zog yog qhov yuav tsum tau ua. Ntau daim duab kos duab tsuas yog piav qhia txog cov ntsiab lus tseem ceeb ntawm lub cev braid yam tsis tau qhia meej txog qhov yuav tsum tau ua tiav, ua rau tsis ua raws li cov qauv xa tawm. Ntshiab zoo li qub rub-tawm test tsis tuaj yeem sawv cev rau qhov kev pabcuam dynamic cyclic; cyclic-fatigue test targeting zone yog irreplaceable.

Cov ntsiab lus

Termination-kawg kev ntseeg siab yog qhov tseem ceeb ntawm lub fwj txwv tsis pub braided hypotube kev pabcuam kev nyab xeeb. Ntau cov kev daws teeb meem suav nrog crimping, potting bonding, laser vuam thiab mechanical interlocking tuaj yeem kho braid-hlau terminals. Gradual-transition-zone design mitigates stress concentration ntawm termination boundaries. Kev sib txuam txiav tshuab rau lub hauv paus-tube thiab braid-wire alloy, ua ke nrog kev txiav txim siab-zone mechanical validation, zoo tiv thaiv braid fraying thiab delamination txaus ntshai rau kev cuam tshuam kev cuam tshuam me me.

Outlook & Cov lus qhia

Yav tom ntej R & D kev taw qhia txhim kho cov kev ntxhov siab tsis tshua muaj kev sib koom ua ke rau cov qauv me me ntawm txoj kab uas hla braided hypotube hauv qab Ø0.3 hli. Cov neeg tsim qauv yuav tsum ntxiv cov ntsiab lus xaus-kawg thiab kev ntseeg siab-tsim cov cai rau hauv cov ntaub ntawv tsim qauv thaum ntxov. Cov neeg tsim khoom yuav tsum ua kom zoo dua cov txheej txheem qis-kub-tso tawm rau Nitinol braided hypotube. Kev tswj xyuas kev ua tau zoo yuav tsum tsim kom muaj cov txheej txheem kev txiav tawm-zone qaug zog-kuaj kev ua haujlwm, kom ua tau raws li cov kev xav tau kev nyab xeeb siab dua ntawm cov txheej txheem neurology tom ntej thiab cov cuab yeej siv ntau qhov chaw vascular interventional.