Txoj Kev Biopsy Needle Designs For Hematoma Prevention
Jul 18, 2026
https://www.mayoclinic.org/tests-procedures/breast-biopsy/about/pac-20384812
Kev nce qib hauv txoj haujlwm minimally invasivekoob biopsyinnovation raws li lub tswv yim tseem ceeb tiv thaiv hematomas. Tsis ntev los no cov qauv kho kom zoo nkauj, cov ntaub ntawv sib xyaw, thiab kev sib txuas ntse ua rau txo qis kev raug mob vascular, nthuav cov kev xaiv rau cov teeb meem nyuaj.
Needletip optimizationminimizes cov ntaub so ntswg raug mob. Cov lus qhia beveled ib txwm ua kom muaj "ntsuab-splitting rog," cov hlab ntsha tawg. Noveltri-cov lus qhia prismatic scraping faib kev ntxhov siab thoob plaws peb qhov kev txiav, tsom lub zog ntawm cov ntaub so ntswg ntau dua li cov hlab ntsha -txo kev raug mob vascular los ntawm 47% hauv cov qauv tsiaj.Retractable -cov lus qhia txog cov ntaub qhwvTiv thaiv rab koob thaum lub sij hawm ntxig, nthuav tawm cov ntug txiav tsuas yog ntawm lub hom phiaj.Helical txiav ntug hloov linear motion nrog rotational txiav, txo cov ntaub so ntswg traction -zoo tagnrho rau fibrous ntom ob lub mis.
Lumen rov tsim duayog ib yam tseem ceeb. Cov pa ib zaug - lumen koob induce turbulent flow thaum lub sij hawm aspiration, txhawb hemolysis thiab tsis zoo vascular stump retraction.Dual -coaxial lumen koobcais cov aspiration thiab irrigation channel, yaug lub teb nrog saline thaum txiav los txhim kho visibility thiab meej seepage. Rau VAB systems,closeable -sab- chaw nres nkoj koobkhaws cov chaw nres nkoj kaw thaum lub sijhawm tso, qhib tsuas yog ntawm lub hom phiaj txhawm rau tiv thaiv qhov tsis zoo ntawm vascular suction.Cov ntaub so ntswg-expansion koob txhaj tshuaj epinephrine-saline los ntawm micro-orifices, nthuav qhov chaw interstitial kom compress thiab occlude hlab ntsha, txo cov ntshav.
Kev sib koom ua ke ntawm cov cuab yeej ntsesawv cev rau pem hauv ntej.Siab-sensing koob embed micro-sensors los xyuas cov yam ntxwv tsis kam hloov thaum ntsib cov hlab ntsha, ua rau muaj kev ceeb toom.Optical coherence tomography (OCT)- siv koob integrate me me probes ntawm lub ntsis, tsim tiag -time cross-sectional ntaub so ntswg dluab rau txawv cov hlab ntsha ntawm qhov txhab.Robotic-pab biopsy systemstswj lub kaum sab xis / qhov tob ntawm txhua yam caj npab (0.1 hli precision), autonomously tsis txhob predefined vascular zones. Txawm hais tias tseem tsis tau muaj nyob thoob plaws, kev sim tshuaj ntsuam pom cov koob ntse txo qis hematoma rau<1.5%, especially for deep microlesions. Future 3D-printed, patient-specific needles-tailored to individual anatomy-will further advance precision minimally invasive care.
