Ubuchwepheshe be-ultrasound yezokwelapha bubone intuthuko eqhubekayo futhi njengamanje budlala indima ebalulekile ekuxilongeni nasekwelapheni iziguli. Ukuthuthukiswa kobuchwepheshe be-ultrasound kusekelwe emlandweni othakazelisayo ohlanganisa iminyaka engu-225. Lolu hambo lubandakanya iminikelo evela kubantu abaningi emhlabeni wonke, okuhlanganisa kokubili abantu nezilwane.
Ake sihlole umlando we-ultrasound futhi siqonde ukuthi amagagasi omsindo abe kanjani ithuluzi elibalulekile lokuxilonga emitholampilo nasezibhedlela emhlabeni jikelele.
Ukuqala kokuqala kwe-Echolocation kanye ne-Ultrasound
Umbuzo ojwayelekile uwukuthi, ngubani owasungula i-ultrasound kuqala? Isazi sebhayoloji sase-Italy u-Lazzaro Spallanzani sivame ukubizwa ngokuthi iphayona lokuhlolwa kwe-ultrasound.
U-Lazzaro Spallanzani (1729-1799) wayeyisazi sokusebenza komzimba, uprofesa, nompristi okuhlolwa kwakhe okuningi kwaba nomthelela omkhulu ocwaningweni lwesayensi yezinto eziphilayo kokubili abantu nezilwane.
Ngo-1794, uSpallanzani wacwaninga amalulwane futhi wathola ukuthi azulazula esebenzisa umsindo kunokuba abone, inqubo manje eyaziwa ngokuthi i-echolocation. I-echolocation ihlanganisa ukuthola izinto ngokuveza amaza omsindo kuzo, isimiso esisekela ubuchwepheshe besimanje be-ultrasound yezokwelapha.
Ukuhlolwa Kwe-Ultrasound Kwasekuqaleni
Encwadini kaGerald Neuweiler ethi *Bat Biology,* ulandisa ngokuhlolwa kukaSpallanzani ngezikhova, ezazingakwazi ukundiza ebumnyameni ngaphandle komthombo wokukhanya. Nokho, lapho kwenziwa ukuhlola okufanayo ngamalulwane, andiza ngokuzethemba ezungeza igumbi, egwema izithiyo ngisho nasebumnyameni obuphelele.
U-Spallanzani waze wenza nokuhlola lapho aphuphuthekisa amalulwane ngokusebenzisa “izinalithi ezishisayo,” nokho aqhubeka nokugwema izithiyo. Wanquma lokhu ngoba izintambo zinezinsimbi ezixhunywe emaphethelweni azo. Uphinde wathola ukuthi ngesikhathi evala izindlebe zamalulwane ngamashubhu ethusi avaliwe, alahlekelwa amandla awo okuhamba ngendlela nokuholele ekutheni aphethe ngokuthi amalulwane athembele emsindweni ukuze akwazi ukuzulazula.
Nakuba u-Spallanzani engazange aqaphele ukuthi imisindo eyenziwa amalulwane yayingeyokukhuluma futhi yayingezwakali kumuntu, waphetha ngokunembile ngokuthi amalulwane ayesebenzisa izindlebe zawo ukuze abone okuzungezile.
Ukuvela kobuchwepheshe be-Ultrasound kanye nezinzuzo zayo zezokwelapha
Ngokulandela umsebenzi kaSpallanzani wokuphayona, abanye bakhela phezu kwalokho akutholile. Ngo-1942, udokotela wezinzwa u-Carl Dusik waba ngowokuqala ukusebenzisa i-ultrasound njengethuluzi lokuxilonga, ezama ukudlulisa amagagasi e-ultrasound ogebheni lwekhanda lomuntu ukuze athole izimila zobuchopho. Nakuba lesi kwakuyisigaba sokuqala se-sonography yezokwelapha, yabonisa amandla amakhulu alobu buchwepheshe obungahlanyisi.
Namuhla, ubuchwepheshe be-ultrasound buyaqhubeka nokuvela, ngokuthuthuka okuqhubekayo kumathuluzi nezinqubo. Muva nje, ukuthuthukiswa kwezithwebuli ze-ultrasound eziphathekayo kwenze kwaba nokwenzeka ukusebenzisa lobu buchwepheshe ezindaweni nezigaba ezihlukahlukene zokunakekelwa kwesiguli.
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Uma ungathanda ukwazi umbhali, ngicelaChofoza lapha
Uma ungathanda ukusithinta, sicelaChofoza lapha
Ozithobayo,
Ithimba le-Yonkermed
infoyonkermed@yonker.cn
https://www.yonkermed.com/
Isikhathi sokuthumela: Aug-29-2024
