https://www.kidney.org/sites/default/files/Fistula%20Bulletin.pdf

Rau cov neeg mob uas muaj qhov kawg- kab mob raum theem (ESRD), hemodialysis tsis tu ncua ua rau lub neej tseem ceeb- kev kho kom ruaj khov. Kev xa tawm du ntawm txhua qhov kev lim ntshav hinges raws li kev nyab xeeb thiab kev ua haujlwm vascular nkag. Raws li kub- qauv ntev- lub sij hawm nkag mus xaiv, arteriovenous fistula(AVF) tso siab rau ib qho yooj yim zoo li tab sis kev kho mob tsis tseem ceeb: AVF cannulation koob. Kab lus no piav qhia txog yuav ua li cas AVF koob ua haujlwm ua tus saib xyuas ntawm vascular lifelines, xa cov haujlwm tsis tuaj yeem hloov pauv thoob plaws hauv kev lim ntshav, thiab tshuaj xyuas seb lawv cov qauv tsim ncaj qha tswj xyuas kev nyab xeeb thiab kev nplij siab ntawm tus neeg mob.

I. Tsim kom muaj Extracorporeal Circulation: Lub Cev Lub Cev Foundation ntawm Dialysis Therapy

Hemodialysis ua haujlwm los ntawm kev hloov cov neeg mob ntshav tawm sab nraud lub cev, tshem tawm cov khoom pov tseg hauv cov metabolism thiab cov kua dej ntau dhau los ntawm cov tshuab lim dej, thiab ua kom cov ntshav huv huv rov qab mus rau hauv lub cev. AVF cannulation koob ua haujlwm raws li lub cev sib cuam tshuam ua rau cov ntshav tshem tawm thiab rov ua dua tshiab.

Ob rab koob cannulation yog niaj hnub siv rau ib qho kev kho mob nrog cov haujlwm sib txawv. Lub koob txhaj tshuaj yog muab tso rau hauv lub arterialized venous ntu ntawm lub fistula; uas tau tsav los ntawm qhov tsis zoo siab los ntawm lub twj tso kua mis, nws nqus cov ntshav tawm ntawm tus neeg mob lub vasculature. Lub koob venous yog positioned distally ntawm qhov kev ncua deb ntawm tib lub fistula kom tsis tu ncua rov qab purified blood post-dialyzer processing. Kev sib cais meej ntawm ob qhov chaw tso quav tuaj yeem lav cov ntshav txaus thiab txo qis rov ua dua tshiab, qhov teeb meem uas twb tau ntxuav cov ntshav tam sim ntawd rov ua dua. Kev ua tiav AVF cannulation yog li ua raws li qhov yuav tsum tau ua ua ntej kom ua tiav cov tshuaj lim ntshav hauv ib zaug.

II. Kev sib raug zoo ntawm cov qauv tsim thiab kev ua haujlwm kho mob

Txhua tus qauv tsim ntawm AVF koob yog sib raug zoo nrog cov txiaj ntsig kho mob thiab cov neeg mob kev paub dhau los.

• Ntsuas Qhov Loj thiab Ntshav Flow Rate: AVF koob feem ntau txais yuav loj - bore specifications xws li tus qauv 17G nrog ib txoj kab uas hla ntawm roughly 1.19 mm. Qhov kev teeb tsa no ua rau kom siab -flux dialysis xav tau cov ntshav ntws los ntawm 250 txog 400 mL ib feeb. Lub sab hauv bore dimension txiav ndlwg tsis kam, txhim kho dialysis efficiency thiab curtails hemolysis tshwm sim los ntawm ntau dhau ndlwg tshaj tawm.
• Tswv yim Sharpness thiab Cannulation Experience: Ultra- cov lus qhia ntse ntse kom txo tau cov nqaij ntshiv thiab kev sib tsoo- mob. Precision- hauv av beveled npoo ua tiav kev nkag mus rau ntawm daim tawv nqaij thiab cov phab ntsa vascular nrog kev tswj kev nkag mus ntawm 0.5 N thiab 1.0 N. Qhov kev tsim no txhawb cov neeg mob kev nplij siab thaum txo cov neeg kho tshuab raug mob rau fistula endothelium thiab khaws cia ntev - lub sij hawm fistula patency.
• Lateral Port / Groove Design thiab Hemodynamics: Cov pa ib zaug ib zaug -orifice koob pheej hmoo ostium adhesion tiv thaiv lub nkoj hauv ob sab phlu, ua rau muaj kev cuam tshuam los yog cuam tshuam perfusion. Niaj hnub AVF koob integrate laser - txiav lateral qhov los yog kauv ntws grooves. Multi-chaw nres nkoj thiab streamlined inlet lug faib cov ntshav ntws los, ruaj khov suction dynamics thiab tshem tawm cov phab ntsa zoo-apposition blockage kom txhawb nqa tsis tu ncua tsis tu ncua thaum lub sij hawm ntxuav tag nrho. Optimized flow profiles kuj txo qis kev ntxhov siab ntawm cov qe ntshav dhau rau kev tiv thaiv hematoprotection zoo dua.

III. Multidimensional Patient Safety Protection: Hauv -Kev txiav txim siab tob tshaj qhov Cannulation Ib leeg

Kev nyab xeeb kev ua haujlwm ntawm AVF koob npog qhov dav dav.

• Biocompatible Raw Khoom: Ua los ntawm kev kho mob- qib 304 lossis 316L stainless hlau thiab ua tiav los ntawm electrolytic polishing rau ultra- du lumen nto, cov koob no tau txo qis thrombogenesis thiab nws yog xim hlau ion leaching kom ruaj khov ntev -lub sij hawm biocompatibility.
• Kev ntseeg ruaj khov: Cov txheej txheem tsim khoom nruj thiab kev ruaj ntseg zoo endow tubing nrog sib npaug nruj thiab ductility kom tsis txhob muaj kev khoov khoov lossis tsis tshua muaj pob txha pob txha thiab qhov tshwm sim tsis zoo rau kev kho mob.
• Kev Tiv Thaiv Kab Mob: Ib leeg- siv cov qauv tsim tsis muaj menyuam tag nrho cov cai tawm hla - kev pheej hmoo kis kab mob. Ncej -ntau lawm ultrasonic cleansing ntxiv rau lub davhlau ya nyob twg kom tsis muaj menyuam lav tag nrho sterility ntawm cov khoom tiav.
• Ntev -Lub Sijhawm Tsis Muaj Teeb Meem: Siv lub ntsej muag du thiab kho kom zoo nkauj geometry txo qhov kev puas tsuaj ntawm endothelial, txo qis qhov tshwm sim tom qab - cov teeb meem cannulation suav nrog vascular stenosis thiab thrombosis kom txuag tau cov khoom muaj txiaj ntsig fistula.

Xaus

Ntau tshaj li cov cuab yeej tho yooj yim, AVF cannulation koob yog cov khoom siv txuas txuas txuas cov neeg mob thiab cov khoom siv hemodialysis. Txhua qhov kev xaiv hauv kev tsim qauv, kev xaiv cov khoom siv raw thiab cov txheej txheem tsim ua rau muaj kev cuam tshuam rau kev lim ntshav txaus, kev noj qab haus huv ntawm tus neeg mob tam sim ntawd thiab ntev - lub sij hawm vascular nkag mus rau txoj sia. Los ntawm kev tswj kom ruaj khov txaus perfusion kom ua kom zoo dua qhov chaw kho mob thiab kev nyab xeeb, hwm AVF koob ua lub luag haujlwm tseem tsis tau hloov pauv ntawm cov neeg saib xyuas vascular lifeline. Kev tshawb nrhiav kev ua haujlwm tsis tu ncua thiab kev tsim kho cov koob AVF tseem yog tus tsav tsheb tsis tseem ceeb rau kev txhim kho tag nrho cov kev kho mob hemodialysis.