Sab Nrauv Fixator rau Leg & Lub hauv caug Spanning Ex Fix

1. Taw qhia

External fixation yog ib tug ntau yam, minimally invasive txoj kev rau stabilizing pob txha thiab tswj complex mos mos raug mob. Nws nquag siv rau kev qhib pob txha , cov kab mob tsis zoo, kev tswj kev puas tsuaj hauv polytrauma, kho deformity, thiab limb lengthening.

2. Vim li cas thiaj siv sab nraud fixation?

2.1 Qhov zoo

• Minimizes cuam tshuam rau cov pob txha cov ntshav thiab cov ntaub so ntswg mos.

• Kev thov ceev ceev thaum muaj xwm txheej ceev lossis kev tswj xyuas kev puas tsuaj.

• Siv tau rau cov pob txha pob txha qhib / kis kab mob thiab cov pob txha muaj kab mob uas muaj kev pheej hmoo ntawm kev cog hniav sab hauv.

• Tso cai rau kev tsim kho dua tshiab (stabilization ib ntus → qhov tseeb fixation).

• Ua kom cov pob txha tuav, cuam tshuam osteogenesis, thiab kho deformity.

2.2 Cov lus qhia

Cov xwm txheej hauv chaw kho mob uas muaj kev kho sab nraud tau qhia:

• Qhib cov pob txha nrog cov ntaub so ntswg hnyav puas lossis muaj kab mob.

• Kaw pob txha nyob rau hauv cov neeg mob polytrauma xav tau ib ntus stabilization.

• Intra-articular fractures thaum cov ntaub so ntswg mos tsis tuaj yeem tiv thaiv sab hauv (lub dab teg, hauv caug , pob taws).

• Cov pob txha poob los yog cov nqaij mos tsis xws luag tswj nrog theem luv luv thiab cuam tshuam.

• Kab mob / kab mob nonunion - pins tuaj yeem nyob deb ntawm thaj chaw muaj kab mob.

• Joint spanning (bridging) tsim rau kev raug mob peri-articular loj los yog cov pob qij txha tsis ruaj khov.

3. Cov ntsiab lus ntawm daim ntawv thov fixation sab nraud

3.1 Biomechanical yuam sij

• Siv yam tsawg kawg yog ob tus pins ib feem loj tso rau hauv thaj chaw muaj kev nyab xeeb.

• Muab cov pins ze rau qhov tawg (tab sis sab nraud hematoma / tawv nqaij tawg) kom ruaj khov.

• Khaws cov hlua txuas ze rau cov pob txha thiab ua kom tus pin kis tau zoo tshaj plaws hauv txhua qhov tawg.

• Ntau tus pas nrig thiab ntau lub dav hlau tsim ua kom nruj.

4. Cheebtsam — ceev siv

5. Cov ntawv thov tshwj xeeb

5.1 Kev sib koom ua ke & kev sib koom ua ke

Kev kho sab nraud tuaj yeem siv rau kev sib koom ua ke los yog ua ib qho kev sib koom ua ke los tiv thaiv cov ntaub so ntswg thaum khaws cia limb alignment (xws li pob taws pob taws hnyav).

6. Kev siv, kev qhia & Kev saib xyuas tom qab ua haujlwm

6.1 Yuav ua li cas fixator  yog siv

1. Npaj tus pin/wire trajectories siv thaj chaw nyab xeeb.

2. Ntxig tus pins lossis cov xov hlau hauv qab daim duab qhia.

3. Txuas cov pas nrig thiab clamps; kho kom haum.

4. Muab kev kawm rau tus neeg mob txog kev saib xyuas tus pin tract.

6.2 Cov cim qhia

• Tibial fractures - feem ntau siv tibial pins.

• Pob taws pob txha nrog cov nqaij mos raug mob - tej zaum yuav xav tau kev sib koom ua ke .

• Peri-articular fractures thaum kho tsis tau.

6.3 Kev saib xyuas tom qab ua haujlwm

• Pin kev ntxuav: pib hnub tom qab kev phais . Ntxuav txhua tus pin 1-2 zaug hauv ib hnub.

• Kev tswj mob: yooj yim analgesia thiab hnav khaub ncaws qhuav.

• Kev soj ntsuam: saib liab, mob, kua dej, lossis kub taub hau.

• Mobilization: ib feem ntawm qhov hnyav yog feem ntau tso cai.

• Lub sij hawm ua raws li: kev kuaj xyuas hauv tsev kho mob tsis tu ncua.

7. Lub sij hawm ntawm sab nraud fixation thiab hloov dua siab tshiab

• Kev kho mob kom txog rau thaum pob txha sib sau ua ke.

• Thaum ntxov hloov mus rau sab hauv fixation ib zaug cov ntaub so ntswg tso cai.

• Hloov mus rau plaster / orthosis yog qhov tsim nyog.