Beforethetraditionalsubcutaneousinjection,theairinthesyringeneedstobedischarged,butontheonehand,theamountofheparinsodium(authenticlowmolecularweightheparin)isless,aftertheinjection,thereisstillsomeres
Applylocalpressurewithcottonswab.Thepressureshouldbe1cmforskinsubsidence.Thepressuretimeshouldbemorethan10minorlonger.Verticalpressurereceivedbytheareaissmall,thepressurewillbelarge,donotkneadwhenthep
Ithasbeenconfirmedinastudyof120patientsthatthesubcutaneousinjectionofheparinsodium(authenticlow-molecularweightheparin)wasperformedbyslowinjectionwiththeinjectiontimeof30sand10s,respectively.Theresult
Studieshaveshownthattheabdomenisdividedintofourquadrantsbyusingthemidpointofthepatient'sumbilicalcordasacrossline.Theabdominalwallofthepatientisinjectedfromlefttoright,fromtoptobottom,andthefourqu