Hollow Fiber Hemodialyzer

Qhov no hollow fiber ntau hemodialyzer yog ib qho khoom siv uas tsis muaj menyuam, uas txhawb kev siv lub tshuab hemodialysis thiab extracorporeal circulation raj, siv rau kev kho hemodialysis ntawm cov neeg mob uas mob raum tsis ua haujlwm lossis mob raum tsis ua haujlwm, ua haujlwm raws li kev lim ntshav kom tshem tawm cov co toxins me me lossis metabolic pov tseg (xws li urea, creatinine, phosphate, vitamin B12 thiab lwm yam), nruab nrab molecule thiab macromolecule co toxins los yog metabolic pov tseg (xws li 2-}microglobulin) thiab cov dej ntau dhau, ib txhij kho cov dej, electrolyte thiab acid-base tshuav ntawm cov neeg mob.

(1) Cov cuab yeej tsuas yog siv tau rau ntawm cov tshuab nruab nrog kev tswj hwm ultrafiltration. Yog tias tsis yog, qhov muaj peev xwm ntawm cov dej muaj peev xwm ntawm cov kua dej siab siab nrog cov coefficient ultrafiltration Ntau dua lossis sib npaug li 90ml / kPa•h tuaj yeem ua rau cov membrane tawg.

(2) Dialysate mov system tsis muaj degassing yuav tsum tsis txhob siv. Cua nkag mus rau hauv lub extracorporeal circuit thaum lub sij hawm lim ntshav tuaj yeem ua rau raug mob hnyav. Tshawb xyuas kev ruaj ntseg ntawm tag nrho cov kev sib txuas ntxiv ntawm lub cev ua ntej pib kev lim ntshav thiab ib ntus thoob plaws hauv kev kho mob. Lub venous drip chamber yuav tsum tau saib xyuas tas li nrog lub ntsuas ntsuas. (3) Cov cuab yeej yuav tsum tau siv nrog ceev faj hauv cov neeg mob uas ua xua rau cov ntaub ntawv txwv tsis pub yuav ua rau muaj kev fab tshuaj.

(4) Cov cuab yeej yuav tsum tau siv nrog ceev faj nyob rau hauv cov neeg mob uas nyob rau hauv mob hnyav intracranial hemorrhage thiab hnyav active los ntshav txwv tsis pub yuav ua rau kom los ntshav.

(5) Cov cuab yeej yuav tsum tau siv nrog ceev faj hauv cov neeg mob uas muaj kev poob siab hnyav uas nyuaj rau kev kho los ntawm cov tshuaj txwv tsis pub yuav ua rau hypotension.

(6) Cov cuab yeej yuav tsum tau siv nrog ceev faj nyob rau hauv cov neeg mob uas nyob rau hauv refractory lub plawv tsis ua hauj lwm txwv tsis pub yuav ua rau hnyav dua

plawv tsis ua hauj lwm.

(7) Cov cuab yeej yuav tsum tau siv nrog ceev faj hauv cov neeg mob uas muaj kev puas siab puas ntsws txwv tsis pub yuav ncua kev kho mob.

(8) Lub hollow fiber ntau hemodialyzer yog siv ib zaug, tsis yog rov siv dua. Yog tias rov siv dua yuav ua rau tus neeg mob kis tau.

(9) Muaj tsawg zaus, qhov tshwm sim tsis txaus siab rau lub tshuab lim dej lossis lwm qhov chaw hauv lub tshuab hluav taws xob ntxiv tuaj yeem tshwm sim thaum lub sijhawm hemodialysis. Yog tias tshwm sim, lub hauv paus ntawm hypersensitivity yuav tsum raug txheeb xyuas thiab cov khoom siv ntawm cov khoom siv hluav taws xob ntxiv yuav tsum raug cais tawm ntawm kev kho mob yav tom ntej rau tus neeg mob. Nrog rau qhov tshwm sim hnyav, kev lim ntshav yuav tsum tau txiav tawm thiab kev kho mob thawj kab yuav tsum tau pib.

Txhim kho cov hlab ntsha thiab cov hlab ntshav ntawm lub dialyzer. Lus Cim: Xa mus rau cov lus qhia ntawm hollow fiber hemodialyzer siv rau hauv kev teeb tsa cov ntshav.

Kev sib txuas ntawm cov kua dej infusion raj: Nyob rau hauv pem hauv ntej hloov hemodialysis, cov kua dej infusion raj txuas nrog rau qhov chaw nres nkoj ntawm cov hlab ntsha; Hauv kev hloov pauv hemodialysis, cov kua dej infusion raj txuas nrog rau qhov chaw nres nkoj ntawm cov ntshav venous. Nws yuav tsum tau muab sau tseg tias rau tom qab hloov HDF, yog hais tias cov dej cov ntsiab lus nyob rau hauv cov ntshav yog heev txo, qhov kev pheej hmoo ntawm coagulation thaum lub sij hawm extracorporeal ncig yog nce, thiab cov ntshav cov ntsiab lus yuav tsum tau tswj.

Aseptically txuas ib 1 liter hnab sterile saline tov nrog ib tug clamped dialysis priming set. Nco ntsoov qhov kev sib txuas ruaj ntseg.

Teem lub twj tso kua mis ceev ntawm 80 ~ 100 mL / min. Prime cov hlab ntsha, dialyzer thiab venous bloodline nrog saline.

Tshem cov dialyzer thiab cov hlab ntshav nrog 500 mL sterile saline tov.

Xyuas kom tseeb tias lub dialysate nyob rau hauv cov kev txwv conductivity uas tau teev tseg nrog ib tug calibrated conductivity saib xyuas.

Tig lub dialyzer kom lub venous kawg. Txuas cov kab dialysate rau lub dialyzer. Sau cov dialysate nrog lub dialyzer nyob rau hauv txoj hauj lwm venous kawg. Tom qab ntawd tig lub dialyzer rov qab mus rau qhov kawg ntawm cov hlab ntsha thiab tso rov qab rau hauv lub dialyzer tuav.

Tom qab ntawd teem lub dialysate ntws ntawm 200 mus rau 300 mL / min kom tshem tawm tag nrho cov huab cua pom los ntawm lub tshuab lim dej thiab cov hlab ntshav.

Tsis txhob infuse cov saline recirculated rau hauv tus neeg mob. Muab pov tseg cov ntsev rov qab thiab ua kom tag nrho cov kab mob extracorporeal nrog cov ntsev tshiab ua ntej txuas rau tus neeg mob.

Yog tias lub tshuab hemodialysis tau tshuaj tua kab mob los yog ua kom tsis muaj menyuam ua ntej siv tus neeg mob, nco ntsoov kuaj xyuas qhov tsis muaj cov tshuaj tua kab mob.

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