Objective To understand the population distribution characteristics and risk links of sharp injuries among health care workers (HCWs)in a hospital,and provide basis for making effective protection measures. Methods Occupational exposure of HCWs in a tertiary first class hospital between January and December 2014 were retrospectively surveyed.Occupations of HCWs sustained sharp injuries,exposure locations and links,expo-sure sources and so on were analyzed.Results A total of 2 643 HCWs were monitored in January-December 2014, 61 cases of sharp injuries occurred,43(70.49%)sharp injuries occurred in nurses,13 (21 .31 %)in doctors.Sharp injuries mainly occurred in HCWs in department of orthopedics(n=9,14.75%),the major device causing sharp in-juries was transfusion needles (n = 33,54.10%),the main manipulation was pulling out the needles (n = 21 , 34.43%),the main exposure source was hepatitis B virus(n=36,59.01 %);34(55.74%)HCWs with sharp inju-ries didn’t wear gloves during manipulation.54 (88.52%)HCWs performed local treatment following sharp inju-ries,only 18(29.51 %)HCWs received medication(including preventive medication),43(70.49%)HCWs with oc-cupational exposure were followed up and didn’t develop infection.Conclusion Hospital should establish compre-hensive monitoring system for occupational exposure injuries,strengthen the training of sharp injuries among high risk population,improve standard prevention,monitor and intervene risk links,so as to effectively reduce the inci-dence of sharp injuries among HCWs.%目的：了解某院医务人员发生锐器伤的人群分布特征和风险环节，为制定有效防护措施提供依据。方法回顾性调查2014年1—12月该三级甲等医院医务人员上报医院感染管理科的职业暴露情况，分析发生锐器伤者的职业类别、暴露地点及环节、暴露源等情况。结果2014年1—12月共监测医务人员2643名，发生锐器伤61名，其中护士43名（占70．49％），医生13名（占21．31％）。医务人员锐器伤职业暴露科室主要为骨科（9名，占14．75％），致伤锐器主要为输液针（33名，占54．10％），发生的主要操作环节为拔针（21名，占34．43％）；暴露源主要为乙型肝炎病毒（HBV），共36例（占59．01％）；34名（占55．74％）锐器伤职业暴露医务人员在操作中均未戴手套。锐器伤职业暴露后进行局部处理者54名（占88．52％），进行药物治疗（含预防用药）者仅18名（占29．51％）；追踪随访43名（占70．49％），均未因暴露而发生感染。结论医院应建立完善的锐器伤职业暴露监控体系，加强对发生锐器伤高危人群的培训，强化标准预防，对风险环节进行监控和干预，有效减少医务人员锐器伤的发生。
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