Screw na'ura ce da ke canza motsin juyawa zuwa motsi na layi.Ya ƙunshi tsari irin su goro, zaren, da sandar dunƙulewa.

Hanyoyin rarrabuwa na sukurori suna da yawa.Ana iya raba su zuwacortical kashi sukurorikumasoke kashi sukuroribisa ga amfanin su.Semi-threaded sukurorikumacikakken-threaded sukuroribisa ga nau'in zaren su, dakulle sukurorikuma Cannulationsukuroribisa ga tsarin su.Maƙasudin maƙasudin shine cimma daidaito mai inganci.Tun bayan zuwan kukulan kulle-kulle, duk screws marasa kullewa an kira su “screws gama-gari”.

 Commonsukurori da kulle sukurori

 Daban-daban na sukurori: a.cikakken zaren cortical kashi dunƙule;b.juzu'i na zaren cortical kashi dunƙule;c.cikakken zaren sokewar kashi dunƙule;d.juzu'in zaren soke kashi dunƙule;e.kulle kulle;f.dunƙule kulle-kulle.

Cannular dunƙule

Aiki na dunƙules

1.farantin karfe

Yana ɗaure farantin zuwa kashi, yana haifar da matsa lamba ko gogayya.

2. Lalacewadunƙule

Yana samar da matsi tsakanin gutsutsutsu ta amfani da ramukan zamewa, samun cikakkiyar daidaiton kwanciyar hankali.

3.Matsakaicin matsayi

Yana riƙe da matsayi na raguwa ba tare da samar da matsawa ba.Misalai sun haɗa da tibiofibular screws, Lisfranc screws, da dai sauransu.

4.Kulle dunƙule

Zaren da ke kan hular dunƙule na iya dacewa da kishiyar zaren akan ramin farantin karfe don cimma kullewa

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5.Matsakaicin dunƙule

An yi amfani da shi tare da kusoshi na intramedullary don kiyaye tsayin kashi, daidaitawa, da jujjuyawar kwanciyar hankali.

6.Anchor dunƙule

Yana aiki azaman wurin gyarawa don wayar karfe ko suture.

7.Push-pull dunƙule

Yana aiki azaman wurin gyarawa na ɗan lokaci don sake saita karyewa ta hanyar juzu'i/matsi.

8. sake saitidunƙule

Matsakaicin gama gari wanda aka saka ta cikin ramin farantin karfe kuma ana amfani da shi don cire ɓawon burodi kusa da farantin don ragewa.Ana iya maye gurbinsa ko cire shi bayan an rage karayar.

9.Tarewa dunƙule

Ana amfani dashi azaman fulcrum don kusoshi na intramedullary don canza alkiblarsu.