关键词: 动物实验, 静脉留置针, 应用技术

Abstract: Abstract: Objective Study the advantage of venous indwelling needle in applications of clinical animal experiment． Method Use indwelling needle in clinical animal experiment and evaluate the puncture effects and results． Result In animal experiment，venous puncture with indwelling needle have high efficiency，alleviate animal pain，reduce animal dysphoria and inconvenient of experiment caused by punctures repeatedly． Meantime，it can accelerate experiment progress，reduce the work of experimenter． Venous puncture with indwelling needle is in conformity with the ethical requirement of experiment animal and animal welfare law． With the development of medical and health services and the exploration of staff in clinical practice，venous puncture with indwelling needle can be used extensively in practical work of health care．

Key words: animal experiment, vein detains needle, applied technique