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 Sense of to set (someone) free (from) (c.1500) is obsolete except in dialectal phrases such as to get shut of.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.
The Center for Devices and Radiological Health (CDRH), another branch of the FDA, approves all medical devices sold in the United States. It also oversees how the devices are manufactured and monitors their safety. Medical devices come in one of three categories that indicate the level of risk they present to patients.