Device Safety Features
Device Safety Features - Related Videos
04:53
Electrical Safety
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2023
Robert M. Rioux & Suprita Jharimune, Pennsylvania State University, University Park, PA Among the many hazards present in the laboratory, electrical hazards are one of the most common we must be cognizant of since most of the laboratory equipment we use requires electricity for operation. Improper handling or operation of electrical devices might lead to electric shock with the potential risk of injury or even death. Electric sparks can lead to fire or explosion (since many flammable...
08:29
Thermal Measurement Techniques in Analytical Microfluidic Devices
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Cited by 6 •
2015
Here, we present three protocols for thermal measurements in microfluidic devices.
05:42
Visual Search for Features and Conjunctions
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University How do people find objects in cluttered visual scenes? Think, for example, of looking for keys on a messy desk, finding the ripest-looking fruit at the grocery store, locating your car when you can’t quite remember where you parked it, or finding an old friend at an airport exit gate. Clearly, an understanding of visual perception is going to play a role in any answers, and more specifically, an understanding of visual attention...
01:28
Survey Safety
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2025
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
05:56
Evaluation of the Feasibility, Safety, and Accuracy of an Intraoperative High-intensity Focused Ultrasound Device for Treating Liver Metastases
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Cited by 15 •
2019
Here, we present an ablate-and-resect prospective study to evaluate the feasibility, safety, and accuracy of intraoperative high-intensity focused ultrasound ablation in patients undergoing hepatectomy for liver metastases.
FAQs
These features reduce risk through different control strategies. Alarms signal abnormal conditions so users can recognize a problem, while interlocks prevent an unsafe action from occurring. Dose or pressure limits restrict potentially harmful output, and fail-safe controls move equipment into a safer state when faults occur. Together, they address detection, prevention, limitation, and response.
Dose and pressure limits constrain the device’s output so it cannot exceed specified boundaries associated with harmful operation. This mechanism is especially relevant to infusion pumps and other equipment where excessive delivery or pressure could create patient risk. By limiting output directly, the feature provides protection that does not depend solely on recognizing an abnormal condition.
A fail-safe control is designed to place equipment in a safer state after a fault rather than allowing normal operation to continue unchecked. This response helps control hazards linked to malfunction and supports patient protection when the device cannot operate as intended. It also contributes to more reliable performance across clinical workflows.
Clinicians should recognize whether a device is signaling a problem, preventing an action, restricting output, or changing to a safer state. Those responses require different interpretations during use. Understanding the distinction helps users respond appropriately to alarms, respect interlocks and limits, and recognize when a fault-related state is intended to reduce risk.
They support the operation of infusion pumps, diagnostic instruments, surgical equipment, and monitoring systems. Their role varies with the equipment and its hazards: limits can control output, alarms can identify abnormal conditions, and interlocks can prevent unsafe actions. Across these settings, the common outcome is safer device performance and reduced risk during clinical workflows.
Safety features add layers of hazard control to routine clinical use. An alarm can draw attention to an abnormal condition, an interlock can stop an unsafe step, and a fail-safe response can reduce danger after a fault. These mechanisms help detect errors and control hazards, supporting patient protection, reliable performance, and safer healthcare workflows.