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Devices that cover the nose and mouth to maintain aseptic conditions often for the prevention of the spread of infections (e.g. COVID19) or to admini…

A prosthetic appliance for the replacement of areas of the maxilla, mandible, and face, missing as a result of deformity, disease, injury, or surgery…

Endoscopes for examining tissue of the anterior superior mediastinum.

The creation and maintenance of medical and vital records in multiple institutions in a manner that will facilitate the combined use of the records o…

Recording of pertinent information concerning patient's illness or illnesses.

Computer-based systems for input, storage, display, retrieval, and printing of information contained in a patient's medical record.

A system of record keeping in which a list of the patient's problems is made and all history, physical findings, laboratory data, etc. pertinent to e…

Boxes in which physicians kept their drugs and other medications, medical instruments and supplies, manuals, etc. As a carrying case or convenient st…

Personal care items used during MENSTRUATION.

Types of prosthetic joints in which both wear surfaces of the joint coupling are metallic.

A small aerosol canister used to release a calibrated amount of medication for inhalation.

A system of units used in scientific work throughout the world and employed in general commercial transactions and engineering applications. Its unit…

A class of devices combining electrical and mechanical components that have at least one of the dimensions in the micrometer range (between 1 micron …

Small encapsulated gas bubbles (diameters of micrometers) that can be used as CONTRAST MEDIA, and in other diagnostic and therapeutic applications. U…

Electrodes with an extremely small tip, used in a voltage clamp or other apparatus to stimulate or record bioelectric potentials of single cells intr…

The study of fluid channels and chambers of tiny dimensions of tens to hundreds of micrometers and volumes of nanoliters or picoliters. This is of in…

Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or mark…

Devices implanted to control intraocular pressure by allowing aqueous fluid to drain from the anterior chamber. (Hoffman, Pocket Glossary of Ophthalm…

Free-standing or supported lightweight meshwork fabric made of cotton, silk, polyester or other material, having openings too small to allow entry of…

A device ridden while seated that is typically propelled by an electric motor, and is used by those with limited or impaired mobility.

Artificially implanted lenses that direct light toward distant and near focal points allowing clear vision for a range of distances.

A device that measures MUSCLE STRENGTH during muscle contraction, such as gripping, pushing, and pulling. It is used to evaluate the health status of…

A mass of tissue, including skin and muscle, that has been cut away from surrounding areas for transplantation.

Respiratory protective devices designed to achieve a close seal around the nose and mouth to maintain efficient filtration of aerosolized particles a…

Spherical particles of nanometer dimensions.

Devices that cause a liquid or solid to be converted into an aerosol (spray) or a vapor. It is used in drug administration by inhalation, humidificat…

Sharp instruments used for puncturing or suturing.

Experimental animal models for human AUTOIMMUNE DISEASES OF THE NERVOUS SYSTEM. They include GUILLAIN-BARRE SYNDROME (see NEURITIS, AUTOIMMUNE, EXPER…

Medical devices which substitute for a nervous system function by electrically stimulating the nerves directly and monitoring the response to the ele…

Instruments for the visual examination of interior structures related to NEUROSURGICAL PROCEDURES. There are two broad categories of neuroendoscopes,…