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The generic FLASH technique emerges as a gradient echo sequence which combines a low-flip angle radio-frequency excitation of the NMR signal (recorded as a spatially encoded gradient echo) with a rapid repetition of the basic sequence. The repetition time is usually much shorter than the typical T1 relaxation time of the protons in biologic ...
The Libre is considered a "flash monitoring" system (FGM), and thus not a true ("real-time") CGM system [dubious – discuss]. [15] This device could be worn for up to ten days, but required 12 hours to start readings. [16] and was followed by an updated device that could be worn for up to 14 days, and needed only one hour to start a new sensor.
This article needs to be updated.The reason given is: the section related to E.U. needs further updates (esp. in sections 3.2 and 4.2.2) as the directives 93/42/EEC on medical devices and 90/385/EEC on active implantable medical devices have been fully repealed on 26 May 2021 by Regulation (EU) no. 2017/745 (MDR); furthermore, Brexit triggers updates in these sections (U.K. developed their own ...
Pulse oximeters came along in the 1980s as an easy and painless alternative. The device shines a light through the fingertip, seeking out oxygen-rich blood.
Single-use medical devices include any type of medical equipment, instrument, or apparatus that is disposed of after a single-use in a medical facility. The Food and Drug Administration defines this as any device entitled by its manufacturer that it is intended use is for one single patient and one procedure only. [ 1 ]
Flicker vertigo has been considered as a principle for various forms of non-lethal weapons. [ 6 ] [ 7 ] A related crowd-control device was invented by Charles Bovill, which "employed a combination of ultra-sonic waves and strobe lights to induce acute discomfort, sickness, disorientation and sometimes epilepsy."
Global Medical Device Nomenclature (GMDN) is a system of internationally agreed generic descriptors used to identify all medical device products. This nomenclature is a naming system for products which include those used for the diagnosis, prevention, monitoring, treatment or alleviation of disease or injury in humans.
A surgical instrument is a medical device for performing specific actions or carrying out desired effects during a surgery or operation, such as modifying biological tissue, or to provide access for viewing it. [1] Over time, many different kinds of surgical instruments and tools have been invented.