Cov Khoom Siv Technology Zoo Zoo Thiab Cov Ntawv Thov Kev Kho Mob Tus Nqi Ntawm Radioactive Particle Localization Needles

1. Kev lag luam Pain Points

Cov khoom siv kev ua haujlwm tsis zoo ntawm cov koob tshuaj brachytherapy puncture tau dhau los ua qhov tseem ceeb ntawm kev txwv txoj kev kho kom zoo. Feem ntau cov koob zoo tib yam siv cov khoom siv sib xyaw ua ke, uas ua rau me ntsis deformation nyob rau hauv siab -cov ntaub so ntswg extrusion thaum sib sib zog nqus puncture, ua rau trajectory sib txawv thiab qhov chaw tsis ua hauj lwm. Cov txheej txheem kev kho saum npoo ib leeg tsis tuaj yeem sib npaug ntawm lubrication thiab biocompatibility: cov koob tsis muaj coated muaj kev sib txhuam loj, thaum cov ntaub ntawv txheej txheej yooj yim poob tawm, ua rau cov ntaub so ntswg khaus thiab cov pa phem thib ob. Tsis tas li ntawd, cov koob tshuaj ib txwm siv lub cev tsis muaj kev tshaj lij kev ua haujlwm thev naus laus zis, nrog cov phab ntsa sab hauv tsis sib luag thiab cov npoo tsis zoo, ua rau cov noob tsis zoo thiab tsis txaus puncture sharpness. Ntxiv mus, cov khoom lag luam ib txwm muaj ib qho khoom siv, tsis tuaj yeem hloov mus rau qhov chaw tshwj xeeb xws li MRI scanning, thiab muaj cov khoom siv hlau cuam tshuam cuam tshuam rau kev txiav txim siab, uas txwv tsis pub siv cov txheej txheem ntawm brachytherapy hauv kev kuaj mob thiab kho mob.

2. Lub hauv paus ua haujlwm ntawm cov khoom siv kom zoo

High -kev ua tau zooradioactive particle localization koobcia siab rau kev xaiv cov khoom siv qib siab thiab cov cuab yeej ua haujlwm sib xyaw kom ua tiav cov kev ua tau zoo dua qub. Lub cev tseem ceeb tau txais kev kho mob - qib stainless hlau cov khoom, uas muaj cov khoom siv zoo heev, kev tiv thaiv corrosion, thiab kev lom neeg tsis muaj zog. Nws tuaj yeem tiv thaiv cov ntaub so ntswg extrusion deformation thaum lub sij hawm ntev - lub sij hawm thiab rov ua haujlwm puncture, tuav ruaj khov rab koob lub cev ncaj, thiab zam trajectory offset. Qhov saum npoo siv cov txheej txheem silicon txheej txheej txheem, uas tsim cov yeeb yaj kiab zoo li qub thiab ruaj khov rau ntawm rab koob nto. Cov khoom no muaj zoo histocompatibility, tsis muaj irritation rau tib neeg cov ntaub so ntswg, thiab ho txo ​​qhov kev sib txhuam ntawm kev sib txhuam, realizing atraumatic minimally invasive puncture. Cov phab ntsa sab hauv raug siab -kev kho polishing kom tshem tawm cov kab mob microscopic, ua kom cov noob sib luag thiab tiaj tus. Lub taub hau siv tshuab electropolishing thiab ncha li kev sib xyaw tshuab, uas tsis yog tsuas yog txhim kho qhov ntse ntawm rab koob rau kev nkag mus rau cov ntaub so ntswg sai tab sis kuj tseem txhim kho qhov sib piv ntawm ultrasound, ua kom pom tseeb - lub sij hawm thiab pom tseeb ntawm txoj hauj lwm ntawm rab koob.

3. Kev faib technology thiab kev ua tau zoo sib txawv

Radioactive particle localization koob txais ntau yam kev ua tiav cov thev naus laus zis, thiab cov txheej txheem sib txawv ua rau cov khoom lag luam sib txawv nrog kev ua haujlwm kho mob sib txawv. Ua ntej, caj dab thiab swaging tshuab: siv rau kev sib sau ntawm rab koob lub cev, kom ntseeg tau tias lub raj phab ntsa tuab thiab ruaj khov cov qauv nro, zam lub raj lub cev rupture thaum puncture. Thib ob, siab- precision sib tsoo tshuab: siv rau rab koob tip forming, realizing ultra-ntse bevel txiav ntug kom txo tau cov ntaub so ntswg txiav tsis kam thiab raug mob cheeb tsam. Thib peb, laser txiav thiab laser marking tshuab: laser txiav kom paub meej lub koob lub cev loj kam rau ua, thaum laser npav cov ntaub ntawv ntshiab thiab hnav -resistant centimeter qhov tob nplai thiab cov cim taw qhia, uas tsis yooj yim rau ploj tom qab siv ntev -. Plaub, electropolishing tshuab: tshem tawm cov hlau burrs thiab oxide txheej, txhim kho nto smoothness thiab corrosion kuj, thiab txo cov ntaub so ntswg adhesion. Kev sib xyaw ua ke ntawm ntau cov txheej txheem paub txog kev sib koom ua ke ntawm kev ua haujlwm siab, kev ruaj ntseg siab, thiab siab biocompatibility ntawm rab koob lub cev, deb tshaj qhov kev ua tau zoo ntawm cov tshuaj siv tib yam nkaus.

4. Cov Txheej Txheem Ua Haujlwm Tag Nrho Cov Txheej Txheem rau Kev Hloov Kho Khoom Siv

Txhawm rau kom ua tiav cov khoom zoo ntawm cov koob tshuaj hauv zos, kev ua haujlwm kho mob yuav tsum ua raws li cov khoom siv hloov pauv. Ua ntej, cov khoom sib txuam xaiv: xaiv cov qauv stainless hlau koob rau cov pa ultrasound- coj kev cog; rau MRI- pab kho qhov tseeb, ua qhov tseem ceeb qis- cov qauv ua kom zoo tshaj plaws kom tsis txhob muaj kev cuam tshuam cov duab. Thib ob, kev tshuaj xyuas cov khoom ua ntej: xyuas qhov kev ncaj ncees ntawm silicon txheej kom tsis txhob muaj txheej txheej txheej los ntawm kev sib tsoo; paub meej tias qhov smoothness ntawm sab hauv phab ntsa thiab qhov ntse ntawm cov electropolished taub kom paub meej tias cov noob tsis muaj kev cuam tshuam. Thib peb, cov txheej txheem txheej txheem txheej txheem: siv cov khoom sib xws thiab qeeb zog rau kev ntxig, tsis txhob muaj kev sib tw nruj los tiv thaiv rab koob lub cev deformation thiab txheej puas tsuaj, thiab muab kev ua si tag nrho rau lubricating kom zoo dua ntawm silicon txheej los txo cov ntaub so ntswg. Plaub, kev tswj cov noob qoob loo: cia siab rau ntawm phab ntsa hauv polished, thawb cov noob ntawm qhov nrawm kom tsis txhob muaj jamming thiab offset los ntawm cov phab ntsa tsis sib xws. Thib tsib, kev saib xyuas tom qab ua haujlwm thiab khaws cia: ntxuav lub koob lub cev tom qab siv, tsis txhob muaj cov kuab tshuaj corrosive, thiab khaws cia rau hauv qhov chaw qhuav thiab plua plav-dawb ib puag ncig kom muaj kev ruaj ntseg ntawm cov khoom siv thiab ua haujlwm ntev.

5. Kev paub txog kev siv cov khoom siv hauv kev kho mob

Kev xyaum kho mob tshawb xyuas tias cov khoom siv tau zoo tshaj plaws coj kev txhim kho rau brachytherapy. Kev kho mob- qib stainless hlau substrates tuav 100% kev ruaj ntseg thaum lub sij hawm sib sib zog nqus cov ntaub so ntswg thiab multi-angle puncture, kiag li zam kev kho tsis ua hauj lwm los ntawm rab koob lub cev deformation. Lub silicon lubricating txheej txo cov kev sib txhuam ntawm cov ntaub so ntswg kev puas tsuaj los ntawm ntau tshaj 45%, txo qhov mob tom qab phais, edema, thiab los ntshav, thiab ua rau cov neeg mob nyob hauv tsev kho mob luv. Lub electropolished ultra- ntse rab koob txhim kho kev ua kom zoo dua qub, txo lub sijhawm ua haujlwm ntawm lub cev los ntawm ze li ib qho - thib peb. Laser{10}} cim hnav- cov nplais tiv thaiv thiab cov cim taw qhia kom paub meej meej tom qab ua haujlwm ntau, zam qhov teeb meem tsis ua haujlwm los ntawm cov cim fading. Hauv MRI-kev taw qhia cov xwm txheej cog cog qoob loo, qis- cov khoom siv kho kom zoo nkauj tuaj yeem txo cov duab cuam tshuam, txhim kho qhov tseeb ntawm kev npaj ua ntej thiab kev ua haujlwm tiag tiag- lub sijhawm ntsuas lub sijhawm, thiab muab kev txhawb nqa txhim khu kev qha rau kev kho mob qog nqaij hlav.

6. Cov ntsiab lus ua tau zoo

Qhov kev kho mob zoo tshaj plaws ntawm cov koob tshuaj radioactive particle localization yog tsim los ntawm kev ua kom zoo ntawm cov ntaub ntawv thiab kev siv tshuab. Kev kho mob- qib stainless hlau ua kom cov qauv kev ruaj ntseg thiab kev nyab xeeb, silicon txheej paub txog qhov cuam tshuam me me thiab qis - kev puas tsuaj, siab- precision polishing lav lav cov noob xa tuaj, thiab laser ua thiab electropolishing txhim kho qhov chaw raug thiab ua haujlwm ntev. Cov khoom siv sib xyaw thiab cov txheej txheem daws teeb meem ntau yam khoom tsis xws ntawm cov koob tshuaj ib txwm muaj, suav nrog kev yooj yim deformation, kev raug mob loj, kev xa cov noob tsis zoo, thiab cov cim tsis meej. Nws paub txog kev sib koom ua ke zoo tshaj plaws ntawm kev ua haujlwm zoo, biocompatibility, thiab kev siv tshuaj kho mob, dhau los ua cov cuab yeej tseem ceeb tseem ceeb rau kev kho mob niaj hnub.

7. Cov lus qhia txog kev ua kom zoo rau yav tom ntej thiab kev lag luam tawm tswv yim

Nyob rau yav tom ntej, cov khoom siv thev naus laus zis ntawm cov xov tooj cua hauv cheeb tsam cov koob tshuaj yuav txhim kho mus rau kev txawj ntse thiab ntau yam -kev hloov pauv. Nws raug nquahu kom tsim cov khoom siv txheej txheej tshiab nrog cov tshuaj tua kab mob thiab tiv thaiv - ua haujlwm adhesion raws li cov txheej txheem lubricating uas twb muaj lawm kom txo qis kev pheej hmoo kis mob tom qab. Txhawb kev hloov kho dua tshiab ntawm qis- sib nqus thiab qis- cov khoom siv hlau nplaum kom hloov mus rau ntau MRI thiab CT kev kuaj xyuas thiab kho cov xwm txheej. Ntxiv dag zog rau kev tsim kho tshiab ntawm micro- txheej txheem thev naus laus zis kom paub meej dua koob lub cev tswj qhov loj thiab qhov ua kom zoo tshaj plaws. Cov tsev kho mob yuav tsum tsim kom muaj cov ntaub ntawv hloov kho cov ntaub ntawv, sau cov kev cai sib txuam ntawm cov khoom siv, cov txheej txheem thiab cov qog nqaij hlav sib txawv, thiab qhia kev xaiv qhov tseeb. Cov tuam txhab lag luam yuav tsum ntxiv dag zog rau kev tshawb fawb thiab kev tsim kho thiab kev tsim qauv, thiab txhawb nqa cov txheej txheem thiab qib siab -kev txhim kho zoo ntawm cov khoom siv tshuab ua cov koob.