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Koj tseem nyob ntawm no: Tsev » XC Ortho Insights » Classic txoj kev thiab cov tswv yim ntawm kaw koob ntxig rau cov kab hluav taws xob distal

Classic txoj kev thiab cov tswv yim ntawm kaw koob ntxig rau cov kab hluav taws xob distal

Views: 0     Author: Site Editor Publish Time: 2025-02-28 Keeb Kwm: Qhov chaw

Distal radius fracture yog ib qho kev puas tsuaj uas tshwm sim tom qab ntog ntawm cov daus hauv lub caij ntuj no, thiab kaw qhov txo qis thiab Kirschner hlau fixation yog txoj kev kho mob tshaj plaws.




Kab lus no hais txog K-Cov Ntsiab Cai thiab Cov Txheej Txheem los qhia txog cov txheej txheem phais ntawm kev kaw pinning.

Peb-xaim fixation txheej txheem yog classic peb-xaim fixation txheej txheem

Ib tug ntawm cov tubercle.


Ib qho los ntawm cov txheej txheem radial styloid.


Ib tug los ntawm lunate fossa pob txha thaiv.


Yog tias: pob txha pob txha loj heev thiab pob txha pob txha tshwm sim, cov xov hlau Kirschner ntxiv tuaj yeem siv tau.




1. Txoj kev phais

Ua ntej, kaw kev txo qis ntawm cov pob txha yog ua, nrog qeeb thiab txuas ntxiv traction, thiab dorsal thiab radial hloov chaw yog kho los ntawm palmar flexion thiab ulnar sib txawv. Tom qab txo qis, txhais tes muab tso rau ntawm daim ntawv dov, tuav lub palmar flexion thiab ulnar deviation (Daim duab 2a, b), thiab tsau nrog tsawg kawg peb percutaneous Kirschner xov hlau.


distal radius tawg


Thawj K-xaim yog muab tso rau ntawm Lister's tubercle, angled ntawm 45 °, thiab tsom mus rau lub palmar cortex ntawm cov pob txha proximal ntawm qhov ntev ntawm lub vojvoog. Yog tias qhov taw tes ntxig rau ntawm ulnar sab ntawm Lister's tubercle, lub extensor pollicis leeg yuav raug mob.


Qhov thib ob K-xaim yog ntxig 0.5 cm distal rau cov txheej txheem radial styloid, K-hlau yog nyob ntawm 60 ° lub kaum sab xis mus rau lub radial axis, thiab nkag mus rau lub ulnar cortex proximal rau pob txha.


Qhov thib peb K-hlau yog tsau rau lunate fossa pob txha tawg 0.5 cm distal rau lub dab teg sib koom kab, nyob nruab nrab ntawm plaub thiab thib tsib extensor compartments. K-hlau yog tsau rau ntawm lub xib teg ntawm lub vojvoog ntawm lub kaum sab xis 45 °, raws li pom hauv daim duab a thiab b hauv qab no.


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Classic percutaneous Kirschner hlau fixation ntawm distal radius tawg yog qhia nyob rau hauv cov duab ae hauv qab no.


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Ntiv tes txav tom qab percutaneous Kirschner hlau fixation yog qhia nyob rau hauv daim duab ad hauv qab no.


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2. Kev ceev faj thiab cov txheej txheem rau kev phais

1.Yog K-xaim plam mus rau hauv medullary kab noj hniav yam tsis nkag mus rau lub contralateral cortex, nws yuav tshwm sim los ntawm qaij ntau dhau thaum K-xaim nkag. Nyob rau hauv rooj plaub no, tib neeg nyiam tsa lawv txhais tes kom txo qis qaij. Tab sis qhov tseeb, qhov sib txawv yog qhov tseeb. K-xaim yuav tig thiab khoov rau hauv ib qho concave, uas ua rau tsis ua hauj lwm ntawm K-wire puncture. Hloov chaw, nws yuav tsum maj mam convex upward raws li contour ntawm K-wire, raws li qhia hauv daim duab hauv qab no.


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Nrog K-wire taw qhia convexly upward, ib qho chaw nkag yog ua nyob rau hauv lub distal cortex tsis muaj axial siab, thiab nws muaj peev xwm nkag mus rau lub distal cortex. Xwb, lub ntsiab lus ntxig yuav tsum tau hloov thiab pib txij thaum pib (Daim duab ae hauv qab).


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2.Nyob rau hauv cov txheej txheem Kapandji, ob mus rau peb K-xaim tau muab tso rau hauv qhov chaw tawg kom txo tau thiab kho qhov tawg tawg tawg rau hauv txoj haujlwm xav tau. Thaum txo qis, K-wires tau nce mus rau qhov sib thooj (cov duab hauv qab).


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3.Yog hais tias lub Kirschner hlau nkag thiab tawm cov ntsiab lus nyob ze heev rau qhov tawg, fixation tsis ua hauj lwm yuav tshwm sim. Ob lub dorsal Kirschner xov hlau yuav tsum tsis txhob hla lub palmar cortex nyob rau tib theem, thiab lub palmar tawm point yuav tsum yog 2 cm deb ntawm qhov chaw tawg. Saib Figures ac hauv qab no.


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4. Thaum lub dorsal cortex yog heev comminuted, sim tsis txhob nkag mus rau qhov chaw tawg ntawm cov pob txha distal, vim qhov no yuav ua rau fixation tsis ua hauj lwm. Cov duab ae hauv qab no.


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5. Rau kev mob pob txha hnyav, nws yog qhov zoo tshaj plaws los siv plaub mus rau tsib Kirschner xov hlau los kho qhov tawg. Qee lub sij hawm, txhawm rau tswj qhov ntev ntawm lub vojvoog, lub transverse Kirschner hlau yog siv los kho cov pob txha pob txha pob txha mus rau qhov distal ulna.


6. Nyob rau hauv qhov ntev ntawm cov pob txha ntawm lub epiphyseal kawg, ib tug loj inclined Kirschner hlau yuav siv tau rau fixation. Txawm li cas los xij, Kirschner hlau yuav plam mus rau hauv cov kab noj hniav medullary thiab nyuaj rau kho (Daim duab hauv qab).


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7. Cov pob txha intra-articular yog qhib thiab kho nrog transverse Kirschner hlau nyob rau hauv cov pob txha mos ua ntej, thiab tom qab ntawd tsau nrog peb percutaneous Kirschner xov hlau nyob rau hauv txoj kev pa (Figures ad hauv qab no).


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8. Kev puas tsuaj loj ntawm lub qhov hluav taws xob distal nrog rau qhov luv luv thiab lub cev qhuav dej yuav tsum tau hloov Kirschner xaim ntxiv kom dhau los ntawm ulna kom tswj tau qhov siab ntawm lub vojvoog. Kirschner hlau yog qhov zoo tshaj plaws taw qhia los ntawm xibtes sab ntawm cov txheej txheem styloid mus rau sab dorsal ntawm lub ulna, raws li qhia hauv daim duab a thiab b hauv qab no.


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9. Radial styloid puas nrog dorsal hloov chaw. Tom qab txo qis, kho nrog ob lub radial styloid Kirschner xov hlau: ib qho ntawm lub dorsal sab thiab lwm qhov ntawm sab palmar mus rau qhov kawg ntawm styloid. (Daim duab a thiab b hauv qab no)


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10. Ib qho kev puas tsuaj plaub feem ntawm lub vojvoog distal, nrog dorsal hloov chaw thiab sib cais ntawm lunate fossa los ntawm sab palmar. Kirschner hlau tuaj yeem kho los ntawm dorsal cortex nyob rau hauv oblique yam los ntawm qhov sib thooj mus rau cov pob txha metacarpal distal. (Daim duab a thiab b hauv qab no).


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11. Thaum siv dorsal thiab palmar Kirschner xov hlau los kho comminuted fractures ntawm lub distal vojvoog, yog hais tias lub palmar fragment ntawm lunate fossa tsis txo thaum lub sij hawm kev phais, koj muaj peev xwm siv ib tug palmar mus kom ze, siv ib tug vascular clamp cais cov pob txha, thiab ces ntxig lub Kirschner hlau los ntawm lub palmar ntug fragment mus rau hauv lub dorsal. (Cov duab hauv qab no)


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12. Rau qhov pom tseeb tias qhov tawg ntawm qhov tawg ntawm qhov tawg uas tsis tuaj yeem raug txo los ntawm kev txo qis, 3 hli Kirschner hlau tuaj yeem siv los nqa cov pob txha tawg ntawm sab nraub qaum kom ua tiav (cov duab hauv qab no).


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13. Siv cov fixators sab nraud los kho cov pob txha comminuted ntawm lub vojvoog distal. Cov fixators sab nraud yog tsim rau cov pob txha loj heev ntawm lub vojvoog distal nrog los ntawm qhov o loj, qhib pob txha, lossis cov tawv nqaij hauv zos uas tsis tso cai rau kev kho sab hauv (xws li phaj fixation) (Cov duab hauv qab no).


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3. Tiv thaiv kom tsis txhob muaj teeb meem

1. Txhawm rau tiv thaiv kev txhim kho tsis ruaj khov, ua tib zoo saib xyuas cov haujlwm hauv qab no

Ua tib zoo saib rau bicortical fixation.


Tsis txhob tso lub distal koob tawm qhov chaw ze rau qhov tawg.


Tsis txhob tag nrho Kirschner xov hlau sib txuas ntawm qhov kawg ntawm qhov kawg kom mloog zoo rau lub zog.


Ceev faj kom tsis txhob xoob kev sib hloov thaum khoov Kirschner hlau.


Nyob rau hauv cov ntaub ntawv ntawm osteoporosis, ntxiv Kirschner hlau fixation yog yuav tsum tau.


2. Kev ntsuas tiv thaiv kab mob kab mob

Ua ntej txiav daim tawv nqaij, cais cov nqaij mos rau cov pob txha nrog lub vascular clamp, thiab tom qab ntawd siv Kirschner hlau.


Laum maj mam txhawm rau tiv thaiv thermal necrosis.


Tsis txhob rov ua haujlwm ntau zaus.


Txo qhov siab ntawm Kirschner hlau ntawm daim tawv nqaij.

Tiv tauj peb

* Thov upload tsuas yog jpg, png, pdf, dxf, dwg cov ntaub ntawv. Qhov txwv loj yog 25MB.

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