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 Sense of to set (someone) free (from) (c.1500) is obsolete except in dialectal phrases such as to get shut of.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.
A device which, because of any potentiality for harmful effect, or the method of its use, or the collateral measures necessary to its use is not safe except under the supervision of a practitioner licensed by law to direct the use of such device, and hence for which adequate directions for use cannot be prepared, shall be exempt from section 502( ...