Screw ndi chipangizo chomwe chimasinthira kusuntha kozungulira kukhala koyenda mzere.Zimapangidwa ndi zinthu monga nati, ulusi, ndi screw rod.

Njira zogawira zomangira ndizochuluka.Iwo akhoza kugawidwa muzikopa za corticalndicancellous fupa zomangiramalingana ndi ntchito zawo,zomangira za theka-ulusindizomangira zonse ulusimolingana ndi mitundu yawo ya ulusi, ndikutseka zomangirandi Zoletsedwazomangiramalinga ndi mapangidwe awo.Cholinga chachikulu ndicho kukwaniritsa kukonza bwino.Chiyambireni zomangira zodzitsekera zokha, zomangira zonse zosatseka zimatchedwa "zomangira wamba."

 Czonsezomangira ndi zomangira zokhoma

 Mitundu yosiyanasiyana ya zomangira: a.mokwanira ulusi kotekisi fupa wononga;b.pang'ono ulusi kotekisi fupa wononga;c.mokwanira ulusi cancellous fupa wononga;d.pang'ono ulusi cancellous fupa wononga;e.kutseka screw;f.kudziguguda pakhoma wononga.

Cannulated screw

Ntchito ya screws

1.mbale screw

Imamangiriza mbale ku fupa, kutulutsa kuthamanga kapena kukangana.

2. Lagscrew

Amapanga kukanikizana pakati pa zidutswa zothyoka pogwiritsa ntchito mabowo otsetsereka, kukwaniritsa kukhazikika kokhazikika.

3.Malo screw

Amasunga malo a zidutswa za fracture popanda kupanga psinjika.Zitsanzo zikuphatikizapo tibiofibular screws, Lisfranc screws, etc.

4.Locking screw

Ulusi womwe uli pa screw cap ungafanane ndi ulusi wotsutsana ndi bowo lachitsulo kuti utseke

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5.Cholumikizira cholumikizira

Amagwiritsidwa ntchito molumikizana ndi misomali ya intramedullary kuti asunge kutalika kwa fupa, kuyanjanitsa, ndi kukhazikika kozungulira.

6.Anchor screw

Imatumikira ngati malo opangira waya wachitsulo kapena suture.

7.Kankhani-koka screw

Imagwira ngati malo okonzera kwakanthawi kuti mukhazikitsenso zosweka ndi njira ya traction/pressure.

8. sinthaninsoscrew

Zomangira wamba zomwe zimalowetsedwa kudzera pabowo lachitsulo ndikukokera zidutswa zosweka pafupi ndi mbale kuti zichepe.Ikhoza kusinthidwa kapena kuchotsedwa pambuyo poti fracture yachepetsedwa.

9.Kutsekereza screw

Amagwiritsidwa ntchito ngati fulcrum kwa misomali ya intramedullary kuti isinthe njira yawo.