Otu esi edozi mgbajide distal Humerus site na iji efere?

Mgbaji agbaji agbaji agbaji n'ebe dị anya n'ime ndị okenye bụ nsogbu siri ike n'ihi mgbagwoju anya ahụ dị mgbagwoju anya nke nkwonkwo ikpere ụkwụ, obere mgbaji gbajiri agbaji, na oke nke ọkpụkpụ subchondral. Ogidi dị n'akụkụ na etiti nke humerus distal na-etolite etiti triangular kwụsiri ike. A na-akpaghasị usoro triangular a kwụsiri ike ka ọ gbajiri anya humerus, ọkachasị mgbajiri ụdị AO C siri ike.

Mmalite

N'akwụkwọ AO Internal Fixation Technique akwụkwọ e bipụtara na 1979, maka mgbaji agbaji nke distal humerus, ndị otu AO tụrụ aro ka etinye efere ndị ahụ 90 ° n'otu n'otu, otu etiti ma ọ bụ akụkụ na otu azụ (1).

Usoro nka (ụkpụrụ AO maka ọgwụgwọ mgbaji)

a: Nrụgharị nke trochlear na capitellum.

bc: Mgbe ibelata iberibe ọkpụkpụ articular atọ, gbanye waya Kirschner n'akụkụ nke ọzọ. Enwere ike iji waya Kirschner dị ka waya nduzi maka skru 3.5mm nke nwere ike ịghasa, ma ọ bụ ịtinye ihe nkedo na eriri Kirschner.

d: Jiri waya Kirschner nwa oge jikọọ iberibe ọkpụkpụ articular na ogwe aka humeral

e: Iji dozie iberibe articular na humerus, a ga-ebu ụzọ tinye LCP anatomic n'elu azụ nke humerus, a pụkwara itinye efere n'azụ capitulum na-enweghị cartilage. Enwere ike itinye LCP etiti anatomical na etiti etiti nke humerus iji kwalite nkwụsi ike. Maka ọkpụkpụ siri ike ma ọ bụ nbibi metaphyseal siri ike, a na-atụ aro idobe LCP abụọ na 90 Celsius n'ebe ibe ya nọ, dịka nhazi a na-enye nkwụsi ike biomechanical ka mma. Ekwesịrị ịkpachara anya ka ị ghara ịbanye na nkwonkwo mgbe ị na-eji skru stabilization angle.

humerus anatomi

Ntụle nke myirịta na kwụ ọtọ efere ígwè

N'ihe ọmụmụ Mechanics nke afọ 1995 na-atụnyere Plates Dual for the Treatment of Distal Humeral Fractures, a tụlere mmetụta nke ebe a na-etinye efere isii (A. skru na akụkụ anọ nke F, ihe nlereanya nke ọkpụkpụ siri ike na-agbaji agbaji na nkedo nke etiti na nke dị n'akụkụ), na-egosi na a pụrụ ịgwọ ọtụtụ mgbaji na efere okpukpu abụọ na ọgwụgwọ ebe dị iche iche, ma n'ihi na ọkpụkpụ siri ike, nchọpụta a kwubiri na nhazi nke etiti na-ejikọta ya na nkwụsịtụ ike nke ọma (3).

Ata C (4) et al gosiri na efere kwụ ọtọ nke nwere efere posterolateral gbakwunyere skru anọ dị 2.7 mm nwere otu nkwụsi ike dị ka usoro efere yiri ya na ọgwụgwọ nke mgbaji intra-articular nke distal humerus. Ahụ erughị ala onye ọrịa n'ihi mgbakasị anụ ahụ nke efere mpụta, ọkachasị ndị ọrịa dị gịrịgịrị na ndị agadi, enwere ike iwepụ ya na efere posterolateral.

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