https://www.mayoclinic.org/tests-procedures/breast-biopsy/about/pac-20384812

Hauv kev ua haujlwm ntawm kev kuaj xyuas meej rau kev mob ntawm lub mis, lublub mis biopsy koobstylet ua raws li "thawj qhov chaw kuaj xyuas qhov tseem ceeb". Nws qhov kev ua tau zoo ncaj qha tswj hwm cov qauv zoo thiab kuaj xyuas qhov tseeb, thiab cov khoom siv xaiv rau cov stylet ua lub hauv paus ntawm nws cov kev ua haujlwm. Tam sim no, cov ntaub ntawv tseem ceeb muaj xws li kev kho mob - qib stainless hlau, titanium alloys thiab siab - cov polymers ua tau zoo, txhua qhov tsim nyog rau cov kev kho mob sib txawv thiab cov kev xav tau.

Stainless hlau: Classic Durable Option

Kev lig kev cai, kev kho mob stainless hlau (xws li, qib 304 thiab 316L) tau ua cov khoom tseem ceeb rau kev siv biopsy stylets ua tsaug rau nws lub zog tensile zoo, corrosion kuj thiab biocompatibility. Nws cov rigidity siab tiv thaiv kev khoov thaum lub sij hawm nkag mus los ntawm cov ntaub so ntswg ntawm lub mis, ua rau muaj kev ruaj ntseg nkag mus rau lub hom phiaj qhov txhab. Nevertheless, stainless steel features relatively high density, which may generate substantial imaging artifacts under MRI guidance and compromise image interpretation. Tsis tas li ntawd, nws cov hardness siab tuaj yeem ua rau muaj kev pheej hmoo ntawm cov ntaub so ntswg thaum lub sij hawm puncture. Txawm li ntawd los, stainless hlau stylets tseem ceeb heev rau lawv cov nqi efficiency thiab universal adaptability, tshwj xeeb tshaj yog rau ultrasound -coj core needle biopsy.

Titanium Alloy: Ib qho kev sib tsoo hauv Kev Tsim Nyog thiab MRI Compatibility

Kev nce qib hauv cov duab-cov tswv yim qhia, tshwj xeeb tshaj yog kev siv dav dav ntawm MRI-cov kev coj noj coj ua, tau tsim cov qauv sib nqus sib nqus sib raug zoo rau cov ntaub ntawv stylet. Titanium alloys (sawv cev los ntawm Ti-6Al-}4V) sawv tawm rau lawv cov khoom tsis sib nqus, tsis tshua muaj zog thiab siab zog. Titanium stylets hnyav dua li lawv cov stainless hlau counterparts, drastic alleviating tes qaug zog rau cov tswv. Qhov tseem ceeb tshaj, lawv tsim cov khoom tsis raug cai hauv MRI ib puag ncig, tso cai rau cov kws kho mob txhawm rau txheeb xyuas qhov mob me me ntawm kev kuaj xyuas lub sijhawm. Tsis tas li ntawd, titanium qhov tshwj xeeb qaug zog tiv thaiv ua rau rov ua dua tshiab yam tsis muaj cov qauv deformation. Txawm hais tias tus nqi siab dua, titanium alloy stylets yog qhov kev xaiv zoo tshaj plaws rau cov chaw kho mob me me uas muaj qhov tseem ceeb tshaj plaws thiab kev nplij siab ntawm tus neeg mob.

Polymers: Lub neej yav tom ntej ntawm ib leeg -Siv Devices thiab Functional Integration

Nyob rau hauv xyoo tas los no, kev kho mob - qib polymers (xws li polyetheretherketone (PEEK) thiab polycarbonate) tau raug coj los siv rau ib leeg - siv biopsy stylets. Lawv qhov txiaj ntsig zoo tshaj plaws nyob rau hauv siab tsim customizability; Piv txwv li, kev txhaj tshuaj molding tuaj yeem tsim cov stylets nrog cov txheej tshwj xeeb lossis grooved geometry los txhim kho cov ntaub so ntswg. Polymer stylets tsuas yog siv tau pov tseg, tshem tawm tag nrho cov hla- kev pheej hmoo kis kab mob thiab ua kom cov haujlwm ua haujlwm tau zoo los ntawm kev tshem tawm cov txheej txheem ntxuav thiab kom tsis muaj menyuam. Lawv qhov teeb meem tsis zoo yog qhov qis qis dua piv rau cov hlau, uas tuaj yeem tsim teeb meem thaum pncturing cov ntaub so ntswg loj ntawm lub mis. Raws li, cov qauv polymer feem ntau yog siv rau kev nplua - koob aspiration (FNA) lossis hauv ib nrab - rab phom biopsy tsis siv neeg nrog kev teeb tsa tshwj xeeb.

Clinical Trade- tawm hauv Kev Xaiv Khoom

Hauv kev xyaum ua tau zoo, cov kws kho mob xaiv cov khoom siv raws li cov yam ntxwv ntawm qhov txhab, cov qauv duab, tus neeg mob lub cev thiab pob nyiaj siv. Piv txwv li, sampling calcified lesions xav tau superior sharpness thiab huv tej kev ua tau zoo, ua stainless hlau los yog titanium alloy cov kev xaiv superior. Rau cov kab mob sib sib zog nqus nyob ib sab ntawm lub hauv siab phab ntsa, titanium's MRI compatibility ua qhov tseem ceeb. Tsiv mus tom ntej, cov ntaub ntawv sib xyaw (piv txwv li, hlau-polymer hybrid cov qauv) tuaj yeem ua rau muaj kev sib npaug zoo ntawm lub zog, yooj thiab ua haujlwm, txhawb kev hloov pauv ntawm biopsy stylets mus rau ntau dua kev txawj ntse thiab raug.