1. Anatomy ntawm Distal Humerus
Lub distal humerus muaj cov kab nruab nrab thiab sab nraud, uas suav nrog cov epicondyles thiab condyles.
2. Mechanism ntawm Kev raug mob
Distal humerus fractures yog tshwm sim los ntawm kev raug mob ncaj qha (piv txwv li, ntog) los yog tsis muaj zog (xws li, twisting lossis leeg rub).
3. AO Classification
Kev faib tawm AO faib cov pob txha humerus nyob rau hauv peb lub ntsiab: A, B, thiab C.
4. Kev kho mob phais
Kev kho mob phais ua raws li AO cov hauv paus ntsiab lus: kev txo qis hauv anatomical, ruaj khov kho, thiab kev kho mob thaum ntxov.
5. Tus nqi kho mob
Xauv daim hlau muab kev ruaj ntseg biomechanical, tshwj xeeb tshaj yog nyob rau hauv cov pob txha osteoporotic.
6. CZMEDITECH phaj qauv
CZMEDITECH muaj peb qauv: extraarticular (01.1107), lateral (5100-17), thiab medial (5100-18) daim hlau.
Yog vim li cas lub distal humerus yog fractures?
Raws li ib feem tseem ceeb ntawm lub luj tshib, cov pob txha humerus feem ntau tshwm sim los ntawm 'txoj kev raug mob' (xws li lub caij nplooj zeeg tsaws ntawm lub luj tshib) lossis 'kev raug mob tsis ncaj' (xws li kev sib tw lossis kev cuam tshuam).
- Cov Pulling Forces
Cov kab nruab nrab suav nrog qhov nruab nrab ntawm qhov metaphysis ntawm humerus, medial epicondyle, thiab medial condyle, suav nrog trochlea ntawm humerus.
· Muaj zog contraction ntawm internal rotator cov leeg
· Muaj zog contraction ntawm lub luj tshib flexor cov leeg
-High-Energy Trauma
Sab nraud quab yuam xws li kev sib tsoo tsheb los yog ntog los ntawm qhov siab tuaj yeem ua rau muaj kev puas tsuaj los yog cuam tshuam rau cov pob txha.
Coronoid Fossa thiab Olecranon Fossa
· Kev sib tsoo tsheb
· Poob los ntawm qhov siab
Txoj Cai Kev Kho Mob:
Ua raws li AO lub tswv yim: 'Anatomical txo, ruaj khov kho, thiab ua haujlwm thaum ntxov.'
High-Energy Trauma
Sab nraud quab yuam xws li kev sib tsoo tsheb los yog ntog los ntawm qhov siab tuaj yeem ua rau muaj kev puas tsuaj los yog cuam tshuam rau cov pob txha.
Txoj Cai Kho Mob
Anatomical txo
ruaj khov fixation
Kev ua haujlwm thaum ntxov
Kev phais mob
Articular tshem tawm> 2mm
Qhib pob txha
Combined neurovascular raug mob
Ua tsis tiav ntawm kev saib xyuas kev kho mob
Phaj Fixation Strategie
Dual Phaj Technique
Haum rau hom C tawg. Kev kho los ntawm ob qho tib si medial (piv txwv li, anatomical locking phaj) thiab lateral (piv txwv li, parallel phaj) sab muab 3D stability thiab txo qhov kev pheej hmoo ntawm postoperative rotational deformity.
Ib Plate Technique
Siv rau hom A thiab ib nrab hom B puas. Pre-contoured daim hlau conforming rau distal humerus anatomy txo cov nqaij mos dissection.
Yam tsawg kawg nkaus Invasive Approach
Ua ke nrog percutaneous ntsia hlau tso kom txo tau cov kab mob thiab khaws cia cov ntshav periosteal.
Biomechanical Advantage
Xauv daim hlau muab angular stability, tshwj xeeb tshaj yog zoo rau cov neeg mob osteoporotic.
Functional Recovery Guarantee
Kev txo qis hauv lub cev khaws cia lub luj tshib sib koom ua ke mus rau qhov loj tshaj plaws, txo cov teeb meem xws li nonunion lossis malunion.
Customized Tsim
Daim hlau zoo li rau cov pob txha pob txha tshwj xeeb (xws li, intercondylar ridge support plates) optimize force transmission and accelerate pob txha kho.
Peb distal humerus locking phaj series yog tshwj xeeb tsim los rau complex distal humeral puas. Nrog anatomical contouring, locking ntsia hlau tshuab, thiab ntau yam specifications, nws muaj kev nyab xeeb, ruaj khov, thiab hloov kho cov kev daws teeb meem rau kev kho mob phais.
