Medical equipment functions in safety critical conditions where the sudden failure of the equipment may lead to serious clinical impacts such as patient injuries, missed treatment, and compliance with regulatory policies. Since medical devices are becoming more and more connected, software-based, and data-intensive, the most important concern has become to sustain their reliability. Conventional approaches to the maintenance of medical devices are mainly either reactive or schedule-based, responding to failures when they happen or fixed cycles. These types of method are not usually adequate in modeling fine-scale degradation trends and precursors of failure, especially in non-linear and high-dimensional operational data of modern medical devices.Predictive maintenance has been a promising paradigm of enhancing device reliability whereby early detection of failure and proactive action is made. Nevertheless, other available predictive maintenance systems are based on rule-of-thumb or discriminative machine learning models that need labeled failure data, which can be unavailable, incomplete, or expensive to acquire in medical practice. This paper will solve these shortcomings by suggesting a generative model-based predictive maintenance system to identify early failure in safety-critical medical machines. Generative models can also successfully detect deviations and patterns of degradation that can predict failures in normal operations by learning the underlying probability distribution of normal operation, even without the need to cover a large labeled set.The framework proposed combines the most recent generative modeling methods to harness the time-related dependencies, the multivariate relationship and changing performance aspects of medical devices. It is conducive to immediate early Sign of anomaly and the precedents of failure, in order to take the maintenance action early enough before the critical faults appear. The framework is so structured in such a way that it is versatile to a wide variety of medical devices and operational settings and is compatible with clinical operations and regulatory standards.The most significant contributions of the work are a single architecture of generative predictive maintenance that is specific to safety-critical medical devices, a methodical presentation of early warning through generative modeling, and an evaluation perspective focusing on the early warning performance, but not on post-failure performance. The results indicate how generative models can be used to greatly improve the safety of medical devices, reduce downtimes, and help maintain more resilient and proactive healthcare technology management.
Predictive Maintenance, Safety-Critical Medical Devices, Generative Models, Early Failure Detection, Healthcare Systems Reliability, Anomaly Detection, Medical Device Performance Monitoring.
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