These plug connections must meet the IEC 60320 standard for appliance couplers. Medical devices are typically either connected directly to wall power sources or mains, or configured to connect via a separable power cord that can detach from the equipment as well as the power source. The IEC standards for electrical medical equipment are harmonized with UL so that the same requirements are in effect for equipment in North America. Components used in medical equipment must meet the extensive requirements for safety defined in the base standard IEC/UL 60601-1. Components that are found in compliance with these standards can generally be used in most types of equipment without additional testing. Therefore, medical devices designers must pay special attention to how each unit is supplied with power.Ĭonnectors and power entry modules used in medical equipment are tested to meet rigorous safety and performance standards. In these events, the device could inadvertently shut down other, possibly critical equipment. ![]() In both complex medical environments and uncontrolled home environments, where medical care is increasingly occurring, a device that causes a short circuit or residual current can trigger a protective system upstream. The base electrical standard for medical equipment, IEC/UL 60601-1, guides the design of safe and effective power supplies.Īs medical equipment becomes more powerful, more portable, and more accessible to users with a wide range of training, it is imperative that electrical interfaces present no danger to patients or staff. ![]() The first point of connection is the first opportunity to establish rigorous safety standards for medical technologies used in home healthcare and clinical settings.
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