Ewebata sistemu nhazi intramedullary atọ maka mgbaji ọkpụkpụ.

Ugbu a, usoro ịwa ahụ a na-ejikarị eme ihe maka mgbaji ọkpụkpụ na-agụnye imezi ihe dị n'ime ya na efere ma gbanye n'ụzọ ntinye tarsi sinus.Mpụta “L” agbasawanye ụzọ adịkwaghị mma na omume ụlọọgwụ n'ihi nnukwu nsogbu metụtara ọnya.Ndozi nke efere na screw system fixation, n'ihi njirimara biomechanical ya nke eccentric fixation, na-ebu nnukwu ihe ize ndụ nke mmerụ ahụ, yana ụfọdụ ọmụmụ na-egosi ihe gbasara nke puru omume nke varus nke abụọ nke ihe dịka 34%.

N'ihi nke a, ndị nchọpụta amalitela ịmụ ụzọ nrụzi intramedullary maka mgbaji ọkpụkpụ azụ iji dozie ma nsogbu ọnya metụtara ọnya yana okwu nke mmebi ahụ nke abụọ.

01 Nail Central ntu usoro

Usoro a nwere ike inye aka n'ibelata site na ụzọ ntinye sinus tarsi ma ọ bụ n'okpuru nduzi arthroscopic, na-achọ ihe anụ ahụ dị nro dị ala ma nwee ike ibelata oge ụlọ ọgwụ.Usoro a na-ahọrọ nke ọma maka ụdị mgbajiji II-III, yana maka mgbaji mgbaji ọkpụkpụ dị mgbagwoju anya, ọ nwere ike ọ gaghị enye nkwado siri ike nke mbelata ma nwee ike ịchọ nrụzi screw ọzọ.

02 Sntu intramedullary inngle-plane

Otu ụgbọ elu intramedullary ntu nwere skru abụọ na nso nso na nke dị anya, nwere ntu isi nwere oghere nke na-enye ohere maka ịkpụgharị ọkpụkpụ site na ntu isi.

03 MUltra-plane intramedullary ntu

Ezubere dabere n'ụdị nhazi akụkụ atọ nke calcaneus, usoro nhazi ime a gụnyere skru isi dị ka skru na-ebu ibu na skru usoro azụ.Mgbe mbelata site na sinus tarsi ụzọ ntinye, enwere ike idowe skru ndị a n'okpuru cartilage maka nkwado.

Enwere esemokwu dị iche iche gbasara iji mbọ intramedullary maka mgbaji ọkpụkpụ calcaneal:

1. Kwesịrị ekwesị dabere na mgbagwoju anya mgbawa: A na-arụrịta ụka ma ọkpụkpụ dị mfe adịghị achọ mbọ intramedullary na mgbagwoju anya adịghị adabara ha.Maka mgbaji ụdị Sanders II/III, usoro nke mbelata na screw fixation site na sinus tarsi ụzọ mbata bụ nke tozuru oke, na enwere ike ịjụ ajụjụ isi ntu intramedullary pụtara.Maka mgbaji dị mgbagwoju anya, uru nke "L" agbasawanye ụzọ na-adịgide adịgide, n'ihi na ọ na-enye mkpughe zuru oke.

2. Mkpa ọwa mmiri medullary arụrụ arụ: Calcaneus na-enwechaghị ọwa mmiri.Iji nnukwu ntu intramedullary nwere ike bute oke mmerụ ahụ ma ọ bụ mfu nke ọkpụkpụ.

3. Ihe isi ike na mwepụ: N'ọtụtụ ọnọdụ na China, ndị ọrịa ka na-ewepu ngwaike mgbe ọgwụgwọ gbajiri agbaji.Njikọ ntu ahụ na uto ọkpụkpụ na ntinye nke mpụta mpụta n'okpuru ọkpụkpụ cortical nwere ike iduga n'iwepụ ihe isi ike, nke bụ echiche bara uru na ngwa ụlọ ọgwụ.