Maka ndị ọrịa chọrọ ịgbanwe úkwù ma ọ bụ ndị na-eche echiche ịgbanwe úkwù n'ọdịnihu, e nwere ọtụtụ mkpebi dị mkpa ị ga-eme. Mkpebi dị mkpa bụ ịhọrọ elu prosthetic maka nnọchi nkwonkwo: metal-on-metal, metal-on-polyethylene, seramiiki-on-polyethylene, ma ọ bụ seramiiki-on-seramiiki. Mgbe ụfọdụ, nke a nwere ike ịbụ nsogbu!
Enwere ike iji ịwa ahụ nnọchi úkwù zuru oke dochie nkwonkwo úkwù arthritic, site na ijihip iosisi mplantiji wepụ ihe mgbu nke ihe ndị e ji asacha elu na-akpata.
úkwùjmmanụprosthesise mere ha iji nye ndị ọrịa nkwụsi ike ka mma ma belata mmebi na ndọkasị. E jirila ihe ndị e ji ígwè na polyethylene mee ihe kemgbe afọ 1960, mana ọganihu na teknụzụ emeela ka seramiiki na ihe ndị ọzọ na-ewu ewu.
Ahụikehip jmmanụihe.
Otu n'ime nsogbu ndị a na-enwekarị mgbe a gbanwere úkwù bụ mmebi na mmebi nke nkwonkwo nkwonkwo site na ojiji nkịtị. Dabere na ọnọdụ onye ọrịa, dịka afọ, nha, ọkwa ọrụ, na ahụmịhe dọkịta na-awa ahụ nwere na ihe e tinyere n'ime úkwù ahụ,oọrịa rthopedichip iosisi mplantnwere ike ịbụ nke e ji ígwè, polyethylene (plastik), ma ọ bụ seramiiki mee. Dịka ọmụmaatụ, ọ bụrụ na onye ọrịa ahụ na-arụsi ọrụ ike ma ọ bụ dị obere ma chọọ ka ọ na-agagharị nke ọma mgbe a wachara ya ahụ, dọkịta na-awa ahụ nwere ike ịkwado ihe e ji etinye úkwù seramiiki.
1, isi bọọlụ ígwè na polyethylene (plastic) mkpuchi
A na-eji bọọlụ ígwè nkịtị na ihe mkpuchi iko polyethylene eme ihe kemgbe mmalite afọ 1960. Nnyocha sayensị na-egosi na iji ihe mkpuchi polyethylene emelitere, nke a maara dị ka ihe mkpuchi polyethylene "nke jikọtara ọnụ nke ukwuu", nwere ike ibelata oke iyi nke ihe ndị e tinyere n'ime ya. N'ihi ogologo oge ya na ihe ndị ọzọ metụtara ya, polyethylene ọla bụ ihe a na-ahọrọ maka ndị dọkịta na-awa ahụ makaaihe okikehip jmmanụkemgbe e mere ịwa ahụ mbụ e ji dochie úkwù. E ji cobalt-chromium alloy mee bọọlụ ígwè ahụ, e jikwa polyethylene mee mkpuchi ahụ.
2, Isi bọọlụ seramiiki na polyethylene (plastic) mkpuchi
Isi seramiiki siri ike karịa ígwè ma bụrụkwa ihe kacha egbochi nkụ. Seramiiki eji eme ihe ugbu a n'ịwa ahụ nkwonkwo nwere elu siri ike, na-eguzogide nkụ, na-adị nro nke ukwuu nke nwere ike ibelata oke iyi nke njikọ esemokwu polyethylene. Oke iyi nke ihe a na-etinye n'ime ihe a dị ala karịa oke iyi nke ígwè na polyethylene.
3,Isi bọọlụ ígwèna ihe mkpuchi ígwè
E jirila njikọ esemokwu ígwè na ígwè (cobalt-chromium alloys, mgbe ụfọdụ ígwè anaghị agba nchara) mee ihe na mbido afọ 1955, mana FDA anabataghị ha maka ojiji na United States ruo afọ 1999. Ka teknụzụ na-aga n'ihu, iyi na-ebelata nke ukwuu, na-eme ka mbufụt na mfu ọkpụkpụ dị obere. A na-enweta bearings ígwè n'ọtụtụ nha (site na 28mm ruo 60mm), yana ọtụtụ nhọrọ ogologo olu. Agbanyeghị, akụkọ ogologo oge mgbe ịwa ahụ gasịrị na-egosi na metal, dị ka ion na-arụ ọrụ nke ọma, na-achịkọta ihe mkpofu ígwè n'ihi mmebi na ndọda ogologo oge, nke nwere ike ibute mgbasa ọkpụkpụ gburugburu prosthesis nkwonkwo, na-eduga na mwepụ na mgbanwe nke prosthesis nkwonkwo. Ọrụ ahụ dara.
4,Isi bọl seramiikinaihe mkpuchi seramiiki
N'ime ndị aaihe okikehip jmmanụsusoros, ejirila seramiiki siri ike dochie bọọlụ ígwè ọdịnala na ihe mkpuchi polyethylene, nke a maara maka ihe ndị na-adịghị emebi emebi. Agbanyeghị, ọ bụ ezie na ha nwere uru dị elu na obere iyi, ha nwekwara ọghọm nke ọnụ ahịa dị elu.
Nhọrọ ikpeazụ nkehip jmmanụiosisi mplantA ga-ekpebi ya dabere na ihe ndị metụtara ahụike nke onye ọrịa ahụ, ọ ga-achọkwa ahụmịhe, agụmakwụkwọ, na ahụmịhe nke dọkịta na-awa ahụ ọkpụkpụ iji hazie ngwaahịa nke onye nrụpụta kpọmkwem. Ya mere, ọ dị mkpa ka gị na dọkịta na-awa ahụ ọkpụkpụ gị kparịta ụka tupu ịwa ahụ iji ghọta ụdị ihe e tinyere n'ime úkwù ha chọrọ iji dochie anya ya, na ihe kpatara ị ga-eji họrọ ihe e tinyere n'ime úkwù.
Ọ bụrụ na ịchọrọ ịmatakwu gbasara ya nkwonkwo úkwùihe ọmụma, biko nweere onwe gịkpọtụrụ anyị; ndị otu anyị ga-enye gị nkwado ọkachamara na azịza.
Oge ozi: Eprel-23-2026