AVF koob fabrication sawv cev rau ultra- precision manufacturing ntawm lub micrometer scale, nyob rau hauv stringent seem tswj ntawm lub ntsis geometry thiab puab lumen flow channels. Leveraging centerless sib tsoo, cylindrical sib tsoo thiab 5-axis laser txiav, manufacturers fabricate nyias koob tubing ntawm tsuas yog 1.45 mm txheej kab uas hla mus rau hauv high-kev ua tau zoo vascular access devices ntsuas ntse nkag thiab unobstructed ntshav txaus rau hemodialysis.

Cov txheej txheem sib tsoo: Qhov tseem ceeb ntawm kev txiav txim siab ntawm rab koob lub ntsej muag ntse

Lub taub hau yog lub hauv paus kev sib cuag nrog cov hlab ntsha, uas nws sharpness ncaj qha dictates puncture mob hnyav thiab vascular trauma. Cov neeg tsim khoom tau txais kev sib tsoo tsis muaj qhov sib tsoo: lub workpiece rotates txhawb nqa los ntawm kev tswj lub log thiab ua haujlwm so, thaum lub log abrasive txiav nyob rau hauv qhov kev sib cuag tsis tu ncua kom tuav lub kaum sab xis siab nyob rau hauv ± 0.5 degree. Cov tuam txhab ua lag luam xa tawm CNC grinders nrog lub programmable log pub tus nqi thiab spindle speeds kom automate tag nrho cov ntxhib - mus rau - ua tiav kev sib tsoo. Piv txwv li, Manners Technology siv cov pob zeb diamond abrasive log rau qhov kawg polishing, txo cov npoo npoo roughness (Ra) hauv qab 0.2 μm thiab stabilizing puncture quab yuam ntawm 0.5-1.0 N - txo 30% piv rau cov pa fabrication.

Laser Txiav: Groundbreaking Innovation hauv Flow Channel Tsim

Cov koob AVF Pauv tsuas yog tso siab rau ntawm ib qho kev cuam tshuam nkaus xwb rau kev xa ntshav, nws yooj yim rau kev khiav qeeb thiab thrombus occlusion. Cov neeg tsim khoom siv 5-axis laser ablation rau etch micro-grooves raws lub koob ncej thiab optimize hemodynamic kev ua tau zoo. Cov cwj pwm kev cai koob siv 355 nm ultraviolet laser rau tshuab kauv grooves ntawm 0.1 mm dav thiab 0.05 mm qhov tob, expanding zoo ntws hla-section los ntawm 40%. Tswj cua sov-kev cuam tshuam cheeb tsam (HAZ) kev tswj xyuas tshem tawm cov hlau seem nyob hauv qhov zawj peripheries. 5-axis synchronized tsab ntawv tsa suab ua kom lub laser beam perpendicular mus rau nkhaus tubing nto, xa txiav raug ntawm ± 0.01 hli nrog burr-dawb du puab groove phab ntsa thiab minimized mechanical irritation rau vascular endothelium.

Nkaum Technical Challenges ntawm Inner Bore Fabrication

Nrog rau sab nraud txoj kab uas hla (OD) ntawm 1.45 hli thiab puab txoj kab uas hla (ID) ntawm 1.19 hli, tubing phab ntsa thickness tsuas yog 0.26 hli; Cov phab ntsa zoo ib yam yog qhov tseem ceeb rau kev txo cov ntshav khiav tsis kam. Cov neeg tsim khoom siv rab phom drilling rau qhov sib sib zog nqus - qhov machining, nrog siab - lub siab txias txias tshem tawm cov swarf kom txwv qhov sib txawv ntawm qhov sib txawv hauv qab 0.02 hli ib meter. Txhawm rau tiv thaiv thrombus tshwm sim los ntawm kev tshem tawm sab hauv micro-burrs, electrolytic deburring yog ua tam sim tom qab laser txiav. Electrochemical dissolution tshem tawm microscopic nto peaks thaum refining puab lumen smoothness.

Txheej txheem Synergy thiab ntau lawm Efficiency Enhancement

Sib tsoo thiab laser txiav ua haujlwm raws li kev sib tshuam es tsis yog cov txheej txheem ib leeg los txhawb nqa tag nrho cov kab tsim khoom. Centerless- hauv av blanks ncaj qha mus rau laser chaw nres tsheb ntawm robotic auto-loading/unloading, tshem tawm tib neeg-induced seem yuam kev. Tus cwj pwm Technology integrates inline optical soj ntsuam ntawm nws cov kab ntau lawm: txhua txhua koob tiav undergoes tam sim geometry scanning rau lub kaum sab xis thiab zawj qhov ntev, nrog tsis yog -conforming qhov chaw cia li tsis lees paub los txhawb batch tawm los saum toj 99.8%.

Xaus

Precision AVF koob raug pob khawm ntawm kev sib koom ua ke ntawm cov pa machining thiab cov tshuab laser siab heev, xav kom cov tuam txhab lag luam tawm tsam micrometer - ntsuas qhov sib npaug ntawm kev nkag mus tob tob, cov txheej txheem kev siv lub zog thiab biocompatibility. Tsuas yog los ntawm kev txhais cov txheej txheem tsis zoo rau hauv cov qauv kev tswj xyuas kom muaj nuj nqis tuaj yeem tsim cov neeg siv khoom muaj kev nyab xeeb, siab -kev ua tau zoo hemodialysis nkag mus rau cov khoom siv.