M Okwu Mmalite
Ihe e ji arụ ikpere nwere eriri femoral condyle, agịga tibial, agịga femoral, akụkụ a gbuturu agbutu na ihe ndị e ji edozi ihe, ogwe etiti, tee, tray tibial plateau, ihe nchebe condylar, ihe ntinye tibial plateau, ihe mkpuchi, na ihe ndị na-egbochi ya.
II Njirimara ngwaahịa nke prosthesis ikpere
Site n'iji imewe ahaziri ahazi, nhazi bionic nke elu nkwonkwo nwere ike ịrụghachi ọrụ nkwonkwo ikpere nkịtị;
Njirimara biomechanical na modulus elastic nke 3D e biri ebi trabecular interface na-adaba na ahụ mmadụ, ihe onwunwe mechanical dịkwa mma karịa;
Ọdịdị mpempe akwụkwọ ahụ na-ejikọta onwe ha iji mepụta nhazi mmanụ aṅụ ọkpụkpụ na-enweghị ike ịdị irè nke titanium alloy, nke na-eme ka ọkpụkpụ ahụ too ngwa ngwa na n'enweghị nsogbu.
Femoral Condyle Condyle Protector Tibial Plateau Tray (N'aka ekpe gaa n'aka nri)
Uru nke nkwonkwo ikpere nke atọ
1.Arụmọrụ dị mma nke uto na ntinye nke ọkpụkpụ na anụ ahụ dị nro
Fig. 1. Oto ọkpụkpụ n'ime anụmanụ nwere usoro trabecular ọkpụkpụ etinyere n'ime ahụ
A na-ejigide porosity nke ngwaahịa a karịa 50%, nke na-enye ohere zuru oke maka mgbanwe nri na oxygen, na-akwalite mmụba nke mkpụrụ ndụ na mgbasa ọbara nke mkpụrụ ndụ stem, ma na-enweta uto anụ ahụ. Anụ ahụ amụrụ ọhụrụ na-etolite n'ime oghere nke elu prosthesis ma na-ejikọta twins n'ime mesh na-abụghị otu, nke ejikọtara ya na oyi akwa elu nke waya titanium n'ime omimi nke ihe dị ka 6 mm. Ọnwa 3 mgbe a wachara ahụ, anụ ahụ na-eto n'ime matrix ma na-ejupụta mpaghara nhazi oghere niile, na omimi nke ihe dị ka 10 mm, na ọnwa 6 mgbe a wachara ahụ, anụ ahụ akwara tozuru etozu na-etolite n'ime nhazi oghere niile, yana ọnụego njupụta dị oke mkpa.
2. Njirimara ike ọgwụgwụ magburu onwe ya
Fig. 2 Nsonaazụ ule ike ọgwụgwụ nke tray tibial plateau
A nwalere efere tibial ahụ site na igwe dịka ASTM F3334 si kwuo ma gosipụta arụmọrụ ike ọgwụgwụ dị mma site na iji usoro 10,000,000 nke nnwale ike ọgwụgwụ n'okpuru ọnọdụ ibu sinusoidal nke 90N-900N na-enweghị mgbawa.
3. Ezigbo nguzogide nchara
Fig. 3. Nnwale nchara obere moto na njikọ condyle femoral na medullary agịga cone
Dịka YY/T 0809.4-2018 si kwuo, mana ọ dịghị ihe ga-eme ka ọ daa, ihe si na ya pụta gosiri na ngwaahịa a nwere ezigbo arụmọrụ mgbochi ire ere obere mmegharị ahụ, iji hụ na nkwonkwo ikpere dị nchebe mgbe etinyere ya n'ahụ mmadụ.
4.Nguzogide iyi dị mma
Foto nke 4 Foto nke nnwale ahụ dum nke e ji ekpuchi ikpere
Dịka ọkọlọtọ ISO 14243-3:2014 si dị maka nnwale nnwale nkwonkwo ikpere zuru oke, nsonaazụ ya na-egosi na ngwaahịa a nwere ezigbo iguzogide iyi, iji hụ na nchekwa nke nkwonkwo ikpere mgbe etinyere ya n'ahụ mmadụ.
Oge ozi: Feb-06-2024
