Indlela yokukhetha i-stethoscope efanele?

I-Stethoscope iwumshini wokuxilonga osetshenziswa kakhulu emitholampilo, futhi uwuphawu lodokotela. Imithi yesimanje yaqala ngokusungulwa kwei-stethoscope.Selokhu i-stethoscope yasetshenziswa emtholampilo ngo-March 8, 1817, isimo sayo nendlela yokudlulisela kuye kwathuthukiswa ngokuqhubekayo, kodwa isakhiwo sayo esiyisisekelo asikashintshi kangako.

Ama-Stethoscopes  asetshenziselwa ukugqugquzela izinguquko zomsindo wemisebenzi efana nenhliziyo yomuntu, amaphaphu nezitho. Kunezinhlobo eziningi ze-stethoscopes emakethe. Umehluko phakathi kwama-stethoscopes amabanga ahlukene awubonakali lapho ulalela imisindo evamile, kodwa kunomehluko omkhulu lapho ulalela ukububula. Ngokuvamile, ukuphakama kwekhwalithi ye-stethoscope, amandla okuhlukanisa nokuhlaziya umsindo, kanye nesikhathi sokusebenzisa isikhathi eside. Lapho uthenga, singakhetha ezingxenyeni ezintathu: ubukhulu bekhanda le-stethoscope, impahla ye-stethoscope, nama-earplugs we-stethoscope.

1. Ubukhulu bekhanda le-stethoscope auscultation: indawo enkulu yokuxhumana phakathi kwekhanda le-auscultation nesikhumba, umphumela womsindo uzothathwa kangcono. Nokho, ubuso bomzimba womuntu bunokugobile. Uma ucezu lwesifuba lukhulu kakhulu, indlebe ayikwazi ukuxhumana ngokugcwele nomzimba womuntu. Umsindo ngeke nje uthathwe kahle, kodwa futhi uzophuma esikhaleni. Ngakho-ke, ubukhulu bekhanda le-auscultation kufanele busekelwe ezidingweni zomtholampilo. Njengamanje, ububanzi besiqephu sesifuba se-stethoscope cishe buphakathi kuka-45mm kuya ku-50mm. Ukusetshenziswa okukhethekile kwezokwelapha zezingane, ububanzi balo besiqephu sesifuba ngokuvamile bungama-30mm. futhi enganeni, ububanzi bayo buvamise ukuba ngu-18mm.

2. Hlola impahla: Manje impahla yekhanda isetshenziswa kabanzi ingxubevange ye-aluminium, ingxubevange ye-zinc noma insimbi engagqwali, kodwa kwezinye izimo futhi sebenzisa ipulasitiki noma ithusi. impahla idlala indima ebaluleke kakhulu kumphumela womsindo, umsindo asakazwa ngomoya noma impahla, futhi ekugcineni aguqulwa abe amandla okushisa bese enyamalala. Ukudluliswa kwamaza omsindo cishe akunciphisi ezinsimbini ezisindayo, kodwa kuthambekele ekuncipheni ezinsimbini ezilula noma kumapulasitiki. Ngakho-ke, ama-stethoscopes aphezulu-ezinga eliphezulu kufanele asebenzise izinsimbi ezisindayo njengensimbi engagqwali noma i-titanium.

3. Hlola izixhumi ezindlebeni. Ukuthi ama-earplug alingana kahle nezindlebe kubaluleke kakhulu. Uma ama-earplugs engafaneleki, umsindo uzophuma, futhi ngesikhathi esifanayo, umsindo wangaphandle ungangena futhi udide umphumela we-auscultation. Ama-stethoscopes angochwepheshe ngokuvamile afakwe ama-earplug avaliwe anokuvalwa okuhle nokunethezeka.