Intramedullary nailing tekinoroji inowanzoshandiswa orthopedic mukati mekugadzirisa nzira.Nhoroondo yaro inogona kurondwa kumashure kuma1940s.Inoshandiswa zvakanyanya mukurapa kwekutsemuka kwemapfupa akareba, zvisizvo, nezvimwewo, nekuisa intramedullary mbambo pakati pemedullary cavity.Gadzirisa nzvimbo yekuputsika.Mune idzi nyaya, isu tichakuzivisa zvinoenderana nezvako zvakatenderedza intramedullary zvipikiri.
Zvichitaurwa zviri nyore, intramedullary chipikiri chivakwa chakareba chine akawanda ekukiya screw maburi pamigumo yese kugadzirisa magumo uye kureba kwekutsemuka.Maererano nemaitiro akasiyana, anogona kukamurwa kuita yakasimba, tubular, yakavhurika-chikamu, nezvimwe, izvo zvakakodzera kune vakasiyana varwere.Semuyenzaniso, yakasimba intramedullary mbambo haamiri utachiona nokuti haana mukati akafa nzvimbo.Kugona kuri nani.
Kutora tibia semuenzaniso, dhayamita yemedullary cavity inosiyana zvakanyanya muvarwere vakasiyana.Zvinoenderana nekuti kudzokororwa kunodiwa here, zvipikiri zve intramedullary zvinogona kukamurwa kuita zvipikiri zvekare uye zvisiri zvekare.Musiyano uri pakuti reamers inoda kushandiswa kumedullary reming, kusanganisira manyorerwo emagetsi kana emagetsi, nezvimwewo, uye zvakatevedzana mahombe ekubooresa anoshandiswa kukwidziridza medullary cavity kuti igone dhayamita yakakura ye intramedullary zvipikiri.
Zvisinei, muitiro kuwedzera mwongo kukuvadza endosteum, sezvinoratidzwa mufananidzo, uye kunokanganisa chikamu ropa romugove tsime pfupa, izvo zvingaita kuti kwenguva pfupi avascular necrosis emunharaunda mapfupa uye kuwedzera ngozi utachiona.Nekudaro, zvine chekuita neCliniki zvidzidzo zvinoramba kuti pane mutsauko wakakura.Kune zvakare maonero anosimbisa kukosha kwe medullary reming.Kune rimwe divi, zvipikiri zve intramedullary zvine madhayamita akakura zvinogona kushandiswa kumedullary reming.Simba uye kusimba kunowedzera nekuwedzera kwedhayamita, uye nzvimbo yekubatana ne medullary cavity inowedzera.Kune zvakare maonero ekuti madiki machipisi emapfupa anogadzirwa panguva yekuwedzera marrow anoitawo rimwe basa mu autologous bone transplantation.
Nharo huru inotsigira nzira isingadzoreki ndeyokuti inogona kuderedza ngozi yehutachiona uye pulmonary embolism, asi izvo zvisingagoni kuregererwa ndezvokuti dhayamita yaro yakatetepa inounza husina simba hwemagetsi, zvichiita kuti pave nepamusoro pekushanda zvakare.Parizvino, zvipikiri zvakawanda zvetibial intramedullary zvinowanzo shandisa zvipikiri zvakawedzerwa zve intramedullary, asi zvakanakira nezvazvakaipira zvichiri kuda kuyerwa zvichienderana nekukura kwemedullary cavity yemurwere uye mamiriro ekutyoka.Chinodiwa cheanogadzirisa ndechekuderedza kukweshera panguva yekucheka uye kuve nenyere yakadzika uye diki dhayamita shaft, nekudaro kuderedza kudzvanywa mumedullary cavity uye kudzivirira kupisa kwemapfupa uye zvinyoro zvinyoro zvinokonzerwa nekukwesha.Necrosis.
Mushure mekunge intramedullary mbambo yaiswa, screw fixation inodiwa.Traditional screw position fixation inonzi static locking, uye vamwe vanhu vanotenda kuti inogona kukonzera kunonoka kupora.Sekuvandudza, mamwe maburi ekukiya ekukiya akagadzirwa kuita oval shape, inodaidzwa kunzi dynamic locking.
Izvo zviri pamusoro apa ndeye sumo kune zvikamu zve intramedullary nailing.Muchinyorwa chinotevera, tichagoverana newe nzira pfupi yekuvhiya zvipikiri zve intramedullary.
Nguva yekutumira: Sep-16-2023
