Oropharyngeal Airway. An ultrasonic dissecting device used in surgery to disrupt, disintegrate, or coagulate tissues, especially those with a high water or fat content. When used laparoscopically, tissues destroyed by the scalpel are removed from the body by aspiration. Device definition, a thing made for a particular purpose; an invention or contrivance, especially a mechanical or electrical one. The device works by cavitating the tissues it contacts. A synonym of PSUR is “safety report”. Synonym: ultrasonic dissector 2. a mechanical device used for securing unobstructed respiration when the patient is not breathing or is otherwise unable to maintain a clear passage, such as during general anesthesia or respiratory arrest. While understanding sources of bias is a key element for drawing valid conclusions, bias in health research continues to be a very sensitive issue that can affect the focus … See more. This is the Unique Device Identification number for devices regulated by the FDA, if given. As with other fields, medical sciences are subject to different sources of bias. The MDR and IVDR require either a “Post-market surveillance report” or a “Periodic safety update report” from medical product manufacturers. The periodic safety update report is abbreviated as “PSUR”, the post-market surveillance reports as “PMS report”. For medical devices that are regulated by the FDA, a Unique Device Identification (UDI) is provided if available in the data source and is recorded in the UNIQUE_DEVICE_ID … airway [ar´wa] 1. the passage by which air enters and leaves the lungs.

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