M Okwu Mmalite
Prosthesis ikpere na-agụnye condyle femoral, agịga ụmị tibial, agịga ụmị femoral, akụkụ a gbajiri agbaji na ngbanwe wedges, ogwe etiti, tee, tray plateau tibial, ihe nchekwa condylar, ntinye tibial plateau, liner, na ihe mgbochi.
II Njirimara ngwaahịa nke ikpere prosthesis
N'ịkwado imewe ahaziri onwe ya, nhazi nke bionic nke elu nkwonkwo nwere ike wughachi ọrụ nkwonkwo ikpere nkịtị;
Ngwongwo biomechanical na modul na-agbanwe nke 3D e biri ebi trabecular interface na-adaba na ahụ mmadụ, na ihe eji arụ ọrụ dị mma;
Ihe owuwu ntupu a na-ejikọ ọnụ na-ejikọta ibe ya iji mepụta usoro ịkagbu ọkpụkpụ mmanụ aṅụ nwere ezigbo bioocompatibility nke titanium alloy, nke na-enyere ọkpụkpụ aka itolite ngwa ngwa na enweghị ntụkwasị obi.
Ihe nchekwa Condyle Condyle Femoral Femoral Condyle Tray Tibial Plateau Tray(aka ekpe ruo aka nri)
III Uru nke prosthesis ikpere
1.Excelent arụmọrụ nke ọkpụkpụ na anụ ahụ dị nro na ntinye
Fig. 1 Ọkpụkpụ na-eto eto na ụmụ anụmanụ nwere ọkpụkpụ trabecular ọkpụkpụ
A na-edobe porosity nke ngwaahịa a karịa 50%, nke na-enye ohere zuru oke maka nri nri na mgbanwe oxygen, na-akwalite mgbasa nke cell na vaskụla nke mkpụrụ ndụ sel, ma nweta nsị anụ ahụ.Anụ ahụ amụrụ ọhụrụ na-etolite n'ime oghere nke elu prosthesis ma na-abanye n'ime ntupu na-adịghị ahụkebe, nke jikọtara ya na oyi akwa elu nke waya titanium na omimi nke ihe dịka 6 mm.Ọnwa 3 mgbe a wachara ya ahụ, anụ ahụ na-etolite n'ime matriks wee jupụta mpaghara ihe owuwu porous dum, na omimi nke ihe dị ka 10 mm, na ọnwa 6 mgbe a wachara ya ahụ, anụ ahụ akwara tozuru etozu na-etolite n'ime usoro porous niile, yana ihe dị ịrịba ama karịa. njuputa ọnụego.
2.Excellent ike ọgwụgwụ Njirimara
Fig. 2 Nsonaazụ ule ike ọgwụgwụ nke tibial plateau tray
A nwalere efere tibial n'ụzọ igwe dị ka ASTM F3334 wee gosipụta arụmọrụ ike ọgwụgwụ dị mma yana ule ike ọgwụgwụ 10,000,000 n'okpuru ọnọdụ ntinye sinusoidal nke 90N-900N na-enweghị mgbawa.
3.Excellent corrosion eguzogide
Fig. 3 Nnwale corrosion Micromotor na condyle femoral na njikọ cone agịga medullary
Dị ka YY / T 0809.4-2018 ọkọlọtọ cyclic loading na ọ dịghị ọdịda a chọtara, na-egosi na ngwaahịa a nwere magburu onwe mgbochi cone micro-motion corrosion arụmọrụ, iji hụ na nchekwa nke ikpere nkwonkwo mgbe etinyere n'ime ahụ mmadụ.
4.Nguzogide iyi mara mma
Fig. 4 Foto nke ngụkọta prosthesis ikpere na-eyi nsonaazụ nnwale
Dabere na ọkọlọtọ ISO 14243-3: 2014 maka ngụkọta nkwonkwo ikpere na-eyi nnwale nnwale, nsonaazụ na-egosi na ngwaahịa ahụ nwere oke nguzogide iyi, iji hụ na nchekwa nke nkwonkwo ikpere mgbe etinyere ya na ahụ mmadụ.
Oge nzipu: Feb-06-2024
