Plate hmanga Distal Humerus Fractures siamthat dan !

Puitlingah chuan distal humerus displaced comminuted fractures hi harsatna harsa tak a ni a, hei hi elbow joint anatomy complex tak, fracture fragment te te, subchondral bone tlem vang te a ni. Distal humerus lateral leh medial column te hian triangular frame nghet tak an siam a. He stable triangular framework hi distal humerus fracture hnuah a tibuai a, a bik takin complex AO C-type fracture hnuah a buai thin.

Chawrchhuahna

Kum 1979-a AO Internal Fixation Technique lehkhabu tihchhuahah chuan, distal humerus-a comminuted fractures-te tan chuan AO team chuan plate-te chu 90°-a dah turin an rawt a, pakhat chu medial emaw lateral emaw, pakhat chu posterior-ah dah a ni (1).

Technical steps (Fracture enkawlna atana AO principles) 1.1.

a: Trochlear leh capitellum siam thar leh.

bc: Articular bone fragment pathum te chu tihtlem hnuah Kirschner wire chu a sir lehlamah drill rawh. Kirschner wire hi 3.5mm cannulated screw atan guide wire atan hman theih a ni a, Kirschner wire nen parallel-a screw dah theih a ni bawk.

d: Articular bone fragment chu humeral shaft nen inzawm tir turin Kirschner wire hun eng emaw chen hmang rawh

e: Articular fragment chu humerus-ah fix tur chuan anatomic LCP chu humerus hnunglam lamah dah hmasa tur a ni a, cartilage awm lovin capitulum hnung lamah plate dah theih a ni. Medial anatomical LCP hi humerus medial crest-ah dah theih a ni a, chu chuan stability a ti sang thei a ni. Ruh hloh nasa emaw metaphyseal comminution na tak emaw tan chuan LCP pahnih chu 90°-a dah a tha a, he configuration hian biomechanical stability tha zawk a pe a ni. Angle stabilization screw hman hunah joint chhunga lut lo turin fimkhur tur a ni.

humerus taksa peng hrang hrang

Parallel leh vertical steel plate te khaikhin dan

Kum 1995-a Mechanics Study Comparing Dual Plates for the Treatment of Distal Humeral Fractures-ah khan plate paruk dahna (A, dual posterior plate; B, posterior ulnar plate, lateral to radial plate; C, medial leh lateral plate; D, medial to the ulnar plate, posterior to the radial plate; E, model of the medial and lateral plate with screw leh hmun li-a awm fracture; F, model of severe comminuted fractures with medial and lateral screws), chuan fracture tam tak chu hmun hrang hrangah double plate hmanga enkawl theih a nih thu a tarlang a, mahse severe comminuted fractures tan chuan he zirchianna hian medial-lateral plate fixation leh screw fixation inzawm chuan stiffness leh ultimate strength nasa takin a ti tha zawk tih a sawi chhuak (3).

Ata C (4) et al te chuan posterolateral plate plus 2.7 mm distal screw pali nei vertical plate chuan distal humerus intra-articular fracture enkawlnaah parallel plate system ang bawkin stability a nei tih an hmuchhuak a. Lateral plate vun natna avanga damlote harsatna, a bik takin damlo thau leh tar tawhte chu posterolateral plate hmang hian tihbo theih a ni.

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