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Tibial pob txha, suprapatellar intramedullary nailing txheej txheem

Views: 70     Author: Site Editor Publish Time: 2022-10-21 Keeb Kwm: Qhov chaw

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Intramedullary tibial nailing: nkag mus thiab kho kom haum, mob hauv caug anterior


Txoj kev phais rau intramedullary nailing ntawm tibial pob txha yog ib qho tseem ceeb nyob rau hauv thiaj li yuav ntxig lub intramedullary ntsia thawv los ntawm qhov tseeb nkag point, kom txo tau kev puas tsuaj rau lub intra-articular lub hauv caug lug, thiab ua kom pom kev puas ntsoog repositioning thiab zoo ntsia thawv nkag.

Cov txheej txheem classic rau tibial qia pob txha yog qhov infrapatellar nruab nrab lossis infrapatellar parapatellar txoj hauv kev. Txawm hais tias cov txheej txheem no tau qhia rau cov pob txha hauv nruab nrab, kev ua haujlwm tom qab valgus, anterior, lossis kev sib xyaw deformities feem ntau tshwm sim hauv cov pob txha ntau dua.

Lub ntsiab ua rau malalignment nyob rau hauv proximal tibial fractures yog deformity tshwm sim los ntawm rub lub quadriceps tendon thaum lub hauv caug flexion thiab txhua yam tsis sib haum xeeb ntawm tus ntsia thawv taub thiab lub posterior tibial cortex thaum lub sij hawm implant insertion. Lub patella kuj tiv thaiv axial ntsia thawv nkag rau hauv lub dav hlau sagittal (Fig. 1a, b). Yog li ntawd, lwm txoj hauv kev nkag mus rau qhov taw tes yog los ntawm qhov nruab nrab parapatellar incision, uas ua rau me ntsis medial rau lateral ntsia thawv ntxig (Fig. 1c thiab 2). Raws li tus ntsia thawv nkag mus rau hauv intramedullary kwj dej distal mus rau qhov tawg, qhov ze ze ze rau hauv valgus (Daim duab 2). Thaum kawg, cov leeg nro ntawm cov leeg anterior compartment pab txhawb me ntsis rau valgus (Daim duab 3).

Cov duab 20221021140328

Daim duab 1 a,b Siv cov pa infrapatellar mus kom ze, patella tiv thaiv axial nkag ntawm tus ntsia thawv, uas ua rau muaj qhov sib txawv ntawm anterior apical sagittal alignment thiab valgus coronal alignment. c Siv txoj hauv kev parapatellar rau intramedullary ntsia thawv alignment.

Cov duab 20221021140508

Daim duab 2 Mus txog qhov chaw nkag los ntawm qhov nruab nrab parapatellar incision ua rau me ntsis medial mus rau sab ntsia thawv ntxig. Raws li tus ntsia thawv nkag mus rau hauv medullary kwj dej distal mus rau qhov tawg (a), qhov sib thooj tilts rau hauv valgus (b)

Cov duab 20221021140643

Daim duab 3 Resting nro nyob rau hauv lub anterior nqaij compartment (a) ua ib tug hloov maj mam ectopic arrangement (b)

Pinning tus tibia nyob rau hauv txoj hauj lwm txuas ntxiv pab kom tsis txhob muaj teeb meem cuam tshuam nrog lub hauv caug flexion hnyav. cov txheej txheem tau piav qhia los ntawm Gelbke, Jakma et al. nyob rau hauv 2010 thiab tau dhau los ua neeg nyiam nyob rau hauv xyoo tas los no vim pinning tibia nyob rau hauv ib qho yuav luag ncaj limb txoj hauj lwm simplifies pob txha manipulation thiab repositioning. Fluoroscopy tau dhau los ua technically yooj yim rau kev ua. Fluoroscopy lub sij hawm rau suprapatellar nailing tau raug tshaj tawm tias luv luv dua rau infrapatellar nailing. Tsis tas li ntawd, lub kaum sab xis ntawm cov ntsia hlau ntxig (hauv lub dav hlau sagittal) yog qhov sib npaug ntawm qhov ntev ntawm tibia nyob rau hauv txoj kev no tshaj li cov ntsia hlau infrapatellar; Qhov no tiv thaiv kev tsis sib haum xeeb ntawm tus ntsia thawv taub thiab lub cortex posterior, yog li ua kom yooj yim rau pob txha.


Postoperative anterior lub hauv caug mob yog ib qho teeb meem cuam tshuam. Lub hauv caug mob hauv caug tau tshaj tawm hauv 50-70% ntawm cov neeg mob pob txha, tsuas yog 30% ntawm cov neeg mob tau hnov ​​​​mob tom qab tshem tawm cov nroj tsuag sab hauv. Nws tau kwv yees tias kev tsim caws pliav cuam tshuam nrog kev nkag mus rau cov leeg patellar thiab Hoffa fat pad yog qhov muaj peev xwm ntawm kev mob hauv caug tom qab. Tsis tas li ntawd, txoj hauv kev suprapatellar zam qhov kev txiav ib txwm ntawm cov ceg ntawm cov ceg patellar ntawm cov hlab ntsha saphenous, yog li tsis txhob anterior lub hauv caug loog thiab hnov ​​​​ntxhiab tsw (Daim duab 4). Hla tus ntsia thawv los ntawm quadriceps tendon, yog li tawm hauv cov patellar tendon zoo, zoo li txo qis tus nqi ntawm lub hauv caug mob tom qab phais.

Cov duab 20221021140942

Vim qhov txiaj ntsig zoo ntawm cov pob txha zoo sib xws, cov lus qhia hauv kev kho mob tau txuas ntxiv mus rau tag nrho cov pob txha.


Thaum twg yuav tsum tau siv tus ntsia thawv suprapatellar intramedullary?


Qhov zoo


  • Semi-extended hauv caug txoj hauj lwm txhawb kev puas tsuaj thiab repositioning los ntawm relaxing cov leeg lub zog thiab tuav thaum ntsia ntsia

  • Tsawg qhov kev pheej hmoo ntawm postoperative dislocation ntawm proximal, segmental thiab distal fractures piv rau cov txheej txheem pa

  • Nailing kev ua haujlwm yog technically yooj yim dua ua

  • Nail insertion yog ua tau raws li ib tug 'ib txoj kev phais'

  • Txo lub sijhawm fluoroscopy

  • Tsis muaj kev puas tsuaj rau cov leeg patellar thiab qis dua qhov tshwm sim tom qab stapling anterior lub hauv caug mob

  • Yooj yim rau kev ua hauv ntau pab pawg txheej txheem, xws li hauv ntau qhov kev raug mob


Cov lus qhia


  • Extra-articular fracture of the proximal tibia (AO 41A type)

  • Ib qho yooj yim comminuted pob txha ntawm tibial diaphysis (AO 42A-C hom)

  • Segmental tibial diaphyseal fracture (AO 42C hom)

  • Distal tibial extra-articular fractures thiab yooj yim intra-articular distal extension fractures (AO 43A thiab C1 hom)

  • ntab hauv caug

  • Patellar ossification nrog patellar tendon ossification

  • Cov kab mob kis kab mob nyob rau theem ntawm cov leeg patellar


Yuav Ua Li Cas Orthopedic Implants thiab Orthopedic Instruments?


Rau CZMEDITECH , peb muaj cov khoom lag luam ua tiav ntawm orthopedic phais implants thiab cov cuab yeej siv, cov khoom suav nrog txha caj qaum, intramedullary rau tes, kev raug mob phaj, xauv phaj, cranial-maxillofacial cov, prosthesis, cov cuab yeej siv zog, sab nraud fixators, arthroscopy, Veterinary saib xyuas thiab lawv cov cuab yeej txhawb nqa.


Tsis tas li ntawd, peb tau cog lus los tsim cov khoom tshiab thiab nthuav dav cov khoom lag luam, txhawm rau ua kom tau raws li kev xav tau ntawm kev phais ntawm ntau tus kws kho mob thiab cov neeg mob, thiab tseem ua rau peb lub tuam txhab muaj kev sib tw ntau dua nyob rau hauv tag nrho lub ntiaj teb orthopedic implants thiab instruments kev lag luam.


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