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This article is from Nigerian Medical Journal : Journal of the Nigeria Medical Association , volume 55 . Abstract Background:: Healthcare workers, especially operating room personnel, are at increased risk for sharps injury and transmission of blood-borne pathogens as a result of their occupation. Infection with these pathogens occurs mainly by percutaneous or mucocutaneous exposure to blood-borne pathogens. This study evaluated the effectiveness of using invented needle magnet in reducing the risk of sharp injuries in the operating room. Materials and Methods:: The needle magnet device is consisted of three parts: a cap, a magnet and a metal container. It was invented by the authors for the first time in Iran. The average weight of this device is 200 g and it can be easily placed near the surgery field or on the myostand. It has magnetic properties that attracts the sharp pointed particles during surgery and preserve them in a protected space. The device was used in surgical field by 33 surgeons during 90 surgical operations. Then, the satisfaction of participants and effectiveness of the device in protection against sharps injury was evaluated by a questionnaire. Results:: Thirty-one surgeons (94%) believed that needle magnet reduces dispersion of sharp instruments; 79% of the participants suggested that our device reduces sharps injury during operation; 29 surgeons (88%) intended to use this device during operation. Thus, the use of needle magnet within surgical field may reduce the chances of sharps injury during surgery. Conclusion:: The use of needle magnet within surgical field reduces the chance of sharp injury during surgery and the surgeons were satisfied with its use.