Xaiv qhov chaw tsim nyog
1. Qhuav thiab ventilated qhov chaw: lub stethoscope yuav tsum muab cia rau hauv ib qho chaw qhuav thiab muaj cua zoo. Qhov zoo tshaj plaws cia vuam vaum feem feem ntau ntawm 40% {% kom tiv thaiv cov hlau ntawm lub ntsej muag xeb, thiab cov roj hmab lossis cov yas rau pwm thiab tsis zoo.
2. Cov chaw kub uas haum: huab cua kub rau kev khaws lub ntsej muag stethoscope yuav tsum khaws cia ntawm 15 degree {2}} degree. Zam kev tso nws rau hauv cov chaw uas muaj qhov kub thiab txias, xws li cov cua txias lossis hluav taws xob tsis huv vim yog cov khoom siv hluav taws xob thiab kev cog lus lossis ntev -term kub siab.
3. Huv si thiab huv si thiab huv si
Siv cov qauv cia kom raug
1. Hai dai cia: Nws yog qhov zoo tshaj plaws los siv tus nuv tshwj xeeb los dai lub ntsej muag stethoscope kom lub suab qhia cov droops ib txwm muaj. Qhov no tuaj yeem tiv thaiv lub suab coj lub raj los ntawm kev ua kom tawg, sib tw, tswj nws cov duab thiab elasticity, thiab nthuav nws lub neej kev pabcuam.
2. Tiaj Tus: Yog tias tsis muaj qhov chaw dai khaub ncaws, koj tuaj yeem tso lub ntsej muag stethoscope, tab sis nco ntsoov tias lub ntsej muag stethoscope zoo li muab tso thiab tsis txhob cia lub ntsej muag, stethoscope taub hau lossis suab coj raj thiab lwm qhov chaw nyem lossis sib ntswg txhua lwm yam.
3 Siab tej zaum yuav cuam tshuam qhov raug thiab pom tseeb ntawm kev sib kis tau zoo.
Sau ntawv
1. Khaws cais: Lub Stethoscope yuav tsum tau muab tso rau kom muaj kev khawb thiab cov khoom tawv kom tiv thaiv cov khawb thiab kev sib tsoo uas yuav ua rau kev puas tsuaj ntawm lub ntsej muag lossis qhov chaw.
2. Txav deb ntawm cov tshuaj: Cia cov quavloscope kom deb ntawm cov tshuaj corrosive xws li tshuaj lom neeg thiab tshuaj tua kab mob, uas tuaj yeem cuam tshuam nrog cov khoom siv ntawm stethoscope thiab ua rau nws puas tsuaj.
