各类缝合技术
Basicsuturingequipmentincludesaneedledriver,forceps,andsuturescissors:Awidevarietyofbothabsorbableandnonabsorbablesuturematerialisavailable.Othervariablesincludesuturesize(e.g.,4-0,5-0,6-0),needlesize,andtype(e.g.,PS-2,reversecutting,conventionalcutting):Asimplemodificationtotheangleoftheneedlemaymakesubcutaneoussuturingeasier.A,Inmostsituations,theneedleshouldbeloadedperpendiculartotheneedledriver.B,Ifthewoundisnarrow,theneedlecanbegraspedataslightlyobtuse,-degreeangletotheneedledriver:A,Thenargriptechniqueofhandlingtheneedleholder.Theindexfingerisplacedonthesideoftheneedleholder,whereitguidesplacementoftheneedle.Neithertheindexnorthemiddlefingerisplacedintheringlethole.Thismethodallowsmorerapidsuturing.B,Analternativemethodisthethumb-ringfingergrip.C,Holdtheforcepsinyournondominanthandasyouwouldholdapenciloradart:Techniqueforclosureofparallellacerationsinwhichthecentraltissueislandhasanintactbase:Correctionofadog-ear.Thecriticalmaneuverisshown,wheretheskinispulledtighttoalignthestarredareasandidentifythetriangularpieceofexcesstissuetobeexcised(1d).Notethatastraightlacerationbe