Hauv ntau tshaj 3 Lab HIP thiab lub qhov kev phais mob hauv caug ua thoob plaws hauv ntiaj teb txhua xyoo, cov ntaub ntawv xaiv ncaj qha cuam tshuam nrog kev ua kom muaj kev cuam tshuam ntawm cov neeg mob thiab cov neeg mob rov qab zoo. Ntawm cov ntaub ntawv ntau, roj av muaj roj ntau polyethylene (UHMWPE (tseem yog cov qauv kub hauv cov prosthetics. Tshwj xeeb nyob rau hauv cov teb ntawm UHMWPE HIP hloov thiab UHMWPE lub ntsej muag hloov, nws pom tau zoo tshaj plaws hnav tsis kam, biocompatibility, thiab tshuab hloov tau.
Dab tsi yog Uhmwpe? Vim li cas UHMWPE siv tau hauv kev hloov hip?
UHMWPEYog polymerized los ntawm ethylene monomers, nrog molecular charets ntau tshaj li cov ntawm polyethylene (PE), uas ua rau cov roj molecular ntau tshaj li 3 lab daldons. Qhov no ultra-ntev saw qauv nyiaj pab rau uhmwpe siab crystallinity (50-60%) thiab muaj zog molecular entanglement, muab cov txiaj ntsig zoo hauv qab no:
●Tshwj tsis tshua muaj tshuab lub zog thiab seem ruaj khov vim nws lub siab crystallinity.
●Nonlinear elasticity nyob rau hauv thauj los ntawm densely chartely molecular chains, muab kev nqus kom zoo dua.
●Tsawg lub zog saum lub zog thiab tus kheej-lubricating cov khoom, ua rau kev sib txhuam qis qis hauv cov chav sib koom ua ke.
●Koj coj tau zoo heev nrog kev sib txhuam coefficiient li 0. 05.
●Tshuaj lom neeg inertness, kom ntseeg tau tsawg dua tom qab lub sijhawm ntev cog lus.
●Ultra-tsawg dej nqus (<0.01%), maintaining stability in bodily fluids without swelling or degradation-ideal for long-term load-bearing components like acetabular cup liners and knee inserts.
Cov khoom siv no ua rau UHMWPe cov tub ntxhais teb rau lo lus nug, "Vim li cas UHMWPE siv hauv HIP hloov?" Nws cov kev sib raug zoo, kev ruaj khov, thiab lub zog ua deb tshaj plaws tso tseg plastics thiab qee cov hlau alloys.
Cov ntawv thov ntawm UHMWPE hauv HIP reip prosthetics
Yuav ua li cas yog UHMWPE siv nyob rau hauv hip hloov? Nyob rau hauv UHMWPE HIP hloov chaw, UHMWPE feem ntau ua haujlwm raws li acetabular khob liner, sib sau ua ke ntawm cov hlau lossis cov poj niam femoral taub hau. Cov txheej txheem sib xyaw ua ke muaj kev ua haujlwm zoo thiab kev sib xws:
Ua haujlwm zoo:
●Tsawg txoj kev sib txhuam qis ({{0}}}}}. 05-0.1), ua kom pom kev ncaj qha txav mus sib koom.
●Ua raws li cov kev xav tau Biomechanical rau ntau cov kev qhia ntawm poj niam lub taub hau kev txav.
●Kev nqus dej poob los tiv thaiv cov pob txha uas nyob ib puag ncig ntawm kev ntxhov siab txawv txav.
●Heev crosslinked UHMWPE txo cov hnav, txuas ntxiv lub neej los ntawm 10-15 xyoo.
Tsim Tsim Kho:
●Ntau-axis thickness faib ua kom ua kom zoo pe bickness nyob rau hauv tib neeg chaw thau khoom, txhim kho cov cheeb tsam compression tsis kam.
●Kev siv hluav taws xob saum npoo microporous ua tau zoo dua li kev sib xyaw ua ke thiab khob ruaj khov.
●Cov Cheebtsam Modular tso cai rau cov kab hloov pauv tsis cuam tshuam lub hauv paus, qhov yooj yim kho kev phais mob.
Raws li Mayo chaw kho mob UHMWPE acetabular acetabular pom tus nqi hauv qab 0.05}}}}}}}}}}}}}}}}}} xyoo dhau los ua tsaug ntau dua.
UHMWPE cov ris luv-cov kabmob ua tau zoo hauv caug blackants
Yuav ua li cas Uhmwepe ua hauv caug kev cog hniav? Artificial lub hauv caug ntxuav cov khoom muaj txiaj ntsig zoo li taug kev, ntaiv ntaiv, thiab khoov, thiab dabtsi yog khoov. Hauv UHMWPE lub hauv caug hloov pauv, UHMWPE tau siv dav rau Tibial Plateau ntxig, dynamically teb rau intricate kev txav qauv:
Kev Ua Haujlwm Txhua Yam:
● Compressive strength ≥30 MPa, with >98% deformation rov qab raws li kev thauj khoom zoo.
●Qoob loofe tsis kam tshaj li 1 lab mus, ua kom muaj kev ntseeg siab ntev.
●Optimized shear modulus rau kev ntsuas buffering ntau yam kev ntxhov siab.
Cov thev naus laus zis:
●Finite elate tsom xam (fea) -Guided tsim minimizes ntug ntug kev pheej hmoo.
●Ntau qhov ntom ntom co-extrusion mimics ntuj pob txha mos nrog mos \/ nyuaj aones.
●Ceramic ntxig sib xyaw ua ke kom muaj kev hnav thiab deformation tiv taus.
Heev crosslinked UHMWPE lub hauv caug ntxig qhia tsis muaj kev tawg lossis deformation tom qab 5 lab ntawm cov khoom siv hauv lub hauv caug tsis zoo.
Puas yog nws muaj kev nyab xeeb kom muaj tooj liab hauv UHMWPE lub hauv caug kev cog hniav hauv caug?
Cov kev tshawb fawb tsis ntev los no tshawb nrhiav txoj kab kev hloov tooj liab (Cu) rau UHMWPE lub hauv caug hloov pauv rau Cov Lus Nug Tiv Thaiv Antimicrobial
Cov kev tshawb pom tam sim no:
●Tooj liab cov tshuaj tiv thaiv kab mob antimicrobial yuav txo tus kab mob posteringative kev pheej hmoo.
●Kev mob siab tooj liab yuav ua rau cov nqaij mos los yog o.
●Cov txheej txheem thoob ntiaj teb tseem tsis tau pom zoo Cu-doped UHMWPE rau lub sijhawm ntev cog qoob loo; Nws tseem tab tom sim.
●Clinically pom zoo kev xaiv yog additive-dawb lossis vitamin E-Degetpe UHMWPE rau Biosafety.
Yog li, tooj-dawb uhmwpe tseem yog tus qauv kuaj mob. Yav tom ntej kev txais kev kawm ntawv tooj liab yuav tsum muaj cov tsiaj txhu thiab kuaj mob hauv tsev kho mob.
Biocompatibility thiab kev ua haujlwm ntev ua kom tau txais txiaj ntsig
Biocompatibility:
UHMWPE yog cov tshuaj ua yeeb yam zoo nkauj, insoluble hauv cov kua hauv lub cev, thiab tiv taus enzymatic degradation. Nws tsis yog-toxic, tsis-irritating, thiab ntawv pov thawj los ntawm ISO 10993 thiab USP chav kawm VI, tau txais kev pom zoo FDA tau pom zoo ntev.
Cov ntaub ntawv kuaj mob:
●Mayo Clinic's 10-}} Lub xyoo rov qab ua raws li Uetaberbular acetabular tau khaws cov peev xwm ruaj khov nrog kev coj tsis zoo nrog kev coj ua tau zoo nrog NORKUNIGIBLE COJ LOSSIS.
●Kansai tsev kho mob (Nyiv) qhia txog 98.3% ntawm lub hauv caug ntawm lub hauv caug cov neeg mob yuav tsum tsis muaj kev cuam tshuam hloov tom qab 15 xyoo.
Tag
Los ntawm Uhmwpe HIP hloov mus rau UHMWPE lub ntsej muag hloov chaw,UHMWPEYog Revoluting thoob ntiaj teb cov ntawv tshaj tawm ua ke nrog kev hloov pauv tsis yooj yim thiab kev ua tau zoo. Nws kov yeej cov kev txwv ntawm cov ntaub ntawv ib txwm nyob hauv kev hnav tsis kam thiab biocompatient thaum tso cov av rau ntse, tus kheej kho mob.
Nrhiav tus neeg xa khoom siv tau txhim khu kev qha?
Yog tias koj xav tau ruaj khov, qib siab UHMWPE cov ntaub ntawv, hu rau Zhejiang Qianexilong (qxl) tshwj xeeb fiber ntau co. ,. Peb ua tshwj xeeb hauv kev daws teeb meem rau kev ua haujlwm rau lub duav \/ lub hauv caug, thiab cov ntaub ntawv txhawb nqa kev ua kom tiav hauv kev tsim kho cov kev tsim qauv thiab cov ntawv thov kev kho mob.Tus khub nrog US-Qianexilong (qxl) tshwj xeeb fiber ntau co.,., Koj ntseeg tau cov ntaub ntawv kho mob!