Meaning to close by folding or bringing together is from mid-14c. Sense of to set (someone) free (from) (c.1500) is obsolete except in dialectal phrases such as to get shut of. Colloquial shut-eye for sleep is from 1899. To shut (one's) mouth desist from speaking is recorded from 1340.
Medical Device Regulation Act. Medical Device Amendments of 1976. An Act to amend the Federal Food, Drug, and Cosmetic Act to provide for the safety and effectiveness of medical devices intended for human use, and for other purposes. Enacted by.
Medical Devices. Overview. Section 510(k) of the Food, Drug and Cosmetic Act requires device manufacturers who must register, to notify FDA of their intent to market a medical device at least 90 days in advance. This is known as Premarket Notification - also called PMN or 510(k).