Ultrasonic Raws

Lub yoj ultrasonic yog generated los ntawm ib tug piezoelectric transducer nyob rau hauv lub sojntsuam ntawm lub ultrasonic diagnostic ntsuas. Qhov kev sojntsuam tau txais lub yoj ultrasonic nrog rau lub yoj ultrasonic, thiab ua haujlwm rau nws los nthuav tawm cov duab ultrasonic los ntawm kev tshuaj ntsuam. Cov paj hlwb nyob rau hauv ultrasound yog tsim los ntawm hypoechoic paj fibers thiab hyperechoic intranerve connective ntaub so ntswg. Hauv ntu ntu, cov ntaub so ntswg peripheral feem ntau yog puag ncig, oval lossis daim duab peb sab honeycomb qauv. Nyob rau hauv lub longitudinal seem, lub paj hlwb peripheral feem ntau tshwm raws li ib tug zonal qauv. Cov duab ultrasound ntawm cov hlab ntsha peripheral yog ib qho chaw hyperechoic nyob ib puag ncig thaj tsam hypoechoic. Qhov tseeb, lub kaum sab xis thiab kev siv ntawm ultrasonic reflection nyob ntawm lub kaum sab xis ntawm ultrasonic nthwv dej txheeb ze rau qhov ntev axis ntawm cov hlab ntsha. Tsuas yog lub suab nrov ntawm lub ultrasonic yoj perpendicular mus rau qhov ntev axis ntawm cov hlab ntsha tuaj yeem kis tau. Yog li ntawd, lub linear array sojntsuam nrog parallel acoustic beam yog haum rau neural ultrasound. Kev xaiv ntawm kev sojntsuam zaus feem ntau yog txiav txim siab los ntawm hom paj hlwb, thiab nws ntseeg tau tias qhov kev sojntsuam ntau zaus tuaj yeem muab qhov kev daws teeb meem ntawm cov paj hlwb.

Nyob rau hauv qhov kev siv ntawm ultrasound-guided hlab ntsha thaiv, qhov sib txawv ultrasonic tsis yuav tsum tau hloov kho raws li qhov sib txawv ntawm cov hlab ntsha block, thiaj li kom meej meej qhia lub anatomical qauv ntawm lub hom phiaj, thiab txiav txim siab qhov tsim nyog puncture point thiab puncture txoj kev. Sterilize ntawm daim tawv nqaij ntawm qhov chaw puncture thiab ultrasound sojntsuam (ib txwm siv tshuaj tua kab mob tuaj yeem siv los ua kom tsis muaj menyuam), thiab qhwv qhov kev sojntsuam nrog sterile membrane lossis hnab looj tes tsis muaj menyuam. Tom qab ntawd, lub dav hlau puncture zoo tshaj plaws tau txiav txim siab dua, qhov kev sojntsuam raug kho, thiab cov koob txhaj tshuaj uas tsim nyog tau raug xaiv los coj cov puncture rau thaj tsam ntawm lub paj hlwb (feem ntau yog cov koob nrog qhov loj ntawm 22G40-80mm yog xaiv ). Cov duab zoo ntawm ultrasonic puncture koob ncaj qha cuam tshuam rau kev nyab xeeb thiab kev vam meej ntawm cov paj hlwb. Thaum lub koob cuam tshuam lub suab nthwv dej ntsug, cov duab kos duab yog qhov zoo tshaj plaws, uas yog lub suab nrov nrov nrog lub suab duab ntxoov ntxoo. Qee lub sij hawm, lub hom phiaj paj hlwb tsis tuaj yeem txheeb xyuas kom meej vim yog lub cheeb me me lossis cov khoom qub ntawm cov paj hlwb. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tsum tau nrhiav kom tau lub landmark anatomical qauv nyob rau hauv tus txheej txheem ntawm lub paj hlwb deformation.

Yog tias koj muaj lus nug, thov hu rau peb. Peb lub tuam txhab tuaj yeem tsim ntau yam koob txhaj tshuaj, koob tshuaj kho mob, koob txhaj tshuaj, koob tshuaj hypodermic, koob tshuaj biopsy, koob tshuaj tiv thaiv, koob txhaj tshuaj, koob txhaj tshuaj, koob tshuaj tua tsiaj, koob xaum koob, koob ovum khaws koob, koob txhaj tshuaj, thiab lwm yam Yog tias koj xav tau kev kho koob cov khoom, thov hu rau peb. Peb tos ntsoov rau koj qhov kev nug! Qhov zoo ntawm cov khoom tsim nyob rau hauv peb lub Hoobkas yuav txaus siab rau koj!

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