Φ5.0 Series Fixator External Fixator – Distal radius frame

Rarrabuwar radius (DRFs) yana faruwa a cikin 3 cm na nisa na radius, wanda shine mafi yawan karaya a cikin manyan gaɓoɓin gaɓoɓin mata da matasa maza.Bincike ya ruwaito cewa DRFs na da kashi 17% na dukkan karaya da kashi 75% na karaya a gaban hannu.

Ba za a iya samun sakamako mai gamsarwa ta hanyar rage manipulative da gyaran filasta ba.Wadannan karaya na iya canzawa cikin sauƙi a matsayi bayan kulawar ra'ayin mazan jiya, da kuma rikitarwa, irin su haɗin gwiwa mai rauni da rashin kwanciyar hankali na wuyan hannu, na iya faruwa a ƙarshen mataki.Ana yin tiyata don magance raunin radius mai nisa domin marasa lafiya su iya yin isassun adadin motsa jiki marasa raɗaɗi don maido da aiki na yau da kullun tare da rage haɗarin canjin lalacewa ko nakasa.

Gudanar da DRFs a cikin marasa lafiya masu shekaru 60 zuwa sama ana yin su ta amfani da waɗannan fasahohi guda biyar masu zuwa: tsarin kulle farantin wuta, gyare-gyaren waje ba tare da haɗawa ba, ƙaddamar da gyaran waje, gyaran waya na Kirschner na percutaneous, da gyaran plaster.

Marasa lafiya da ke yin aikin tiyata na DRF tare da raguwa a buɗe da gyare-gyaren ciki suna da haɗarin kamuwa da rauni da tendonitis.

Masu gyara na waje sun kasu kashi biyu masu zuwa: giciye-haɗin gwiwa da mara gada.Mai gyara na waje mai giciye yana ƙuntata motsi kyauta na wuyan hannu saboda tsarin nasa.Ana amfani da masu gyara na waje marasa iyaka saboda suna ba da damar iyakance ayyukan haɗin gwiwa.Irin waɗannan na'urori na iya sauƙaƙe raguwar raguwa ta hanyar gyara ɓarke ​​​​karya kai tsaye;suna ba da damar sauƙin kulawa da raunin nama mai laushi kuma ba sa hana motsin wuyan hannu na halitta a lokacin lokacin jiyya.Don haka, an ba da shawarar masu gyara waje marasa iyaka don jiyya na DRF.A cikin 'yan shekarun da suka gabata, yin amfani da masu gyara na waje na gargajiya (titanium alloys) ya sami karbuwa, saboda kyakkyawan yanayin su, ƙarfin injiniya mai ƙarfi da juriya na lalata.Duk da haka, masu gyara na waje na gargajiya waɗanda aka yi da ƙarfe ko titanium na iya haifar da ƙananan kayan tarihi a cikin ƙididdigar ƙididdiga (CT), wanda ya haifar da masu bincike neman sababbin kayan aiki na waje.

An yi nazarin gyaran gyare-gyaren ciki bisa polyethertherketone (PEEK) kuma an yi amfani da shi fiye da shekaru 10.Na'urar PEEK tana da fa'idodi masu zuwa akan kayan da aka yi amfani da su don gyare-gyaren orthopedic na gargajiya: babu rashin lafiyar ƙarfe, radiopacity, ƙananan tsangwama tare da hoton maganadisu (MRI), sauƙin cirewa dasawa, guje wa abin al'ajabi na "sanyi walda", da mafi kyawun kayan aikin injiniya.Misali, yana da kyakykyawan ƙarfi mai ƙarfi, ƙarfin lanƙwasawa, da ƙarfin tasiri.

Wasu bincike sun nuna cewa masu gyara PEEK sun fi na'urorin gyaran ƙarfe da ƙarfi da ƙarfi, kuma sun fi ƙarfin gajiya13.Ko da yake na roba modules na PEEK abu ne 3.0-4.0 GPa, shi za a iya ƙarfafa ta carbon fiber, da kuma na roba modulus iya zama kusa da na cortical kashi (18 GPa) ko kai darajar titanium gami (110 GPa) ta hanyar. canza tsawo da shugabanci na carbon fiber.Saboda haka, kayan aikin injiniya na PEEK suna kusa da na kashi.A zamanin yau, an tsara na'urar gyara waje ta PEEK kuma an yi amfani da ita a asibiti.