| protective devices | Devices designed to provide personal protection against injury to individuals exposed to hazards in industry, sports, aviation, or daily activities. (12 Dec 1998) |
|---|---|
| self-help devices | Devices, not affixed to the body, designed to help persons having musculoskeletal or neuromuscular disabilities to perform activities involving movement. (12 Dec 1998) |
| intrauterine contraceptive devices | Devices of plastic or metallic substance inserted into the uterus to prevent conception. (12 Dec 1998) |
| intrauterine devices | Devices of plastic or metallic substance inserted into the uterus to prevent conception. (12 Dec 1998) |
| intrauterine devices, copper | Intrauterine contraceptive devices that depend on the release of metallic copper. (12 Dec 1998) |
| intrauterine devices, medicated | Intrauterine devices that release contraceptive agents. (12 Dec 1998) |
| optical storage devices | A computer disk read by a laser beam, containing data prerecorded by a vendor. The buyer cannot enter or modify data in any way but the advantages lie in the speed of accessibility, relative immunity to damage, and relatively low cost of purchase. (12 Dec 1998) |
| orthopedic fixation devices | Devices which are used in the treatment of orthopedic injuries and diseases. (12 Dec 1998) |
| orthotic devices | Apparatus used to support, align, prevent, or correct deformities or to improve the function of movable parts of the body. (12 Dec 1998) |
| ear protective devices | Personal devices for protection of the ears from loud or high intensity noise, water, or cold. These include earmuffs and earplugs. (12 Dec 1998) |
| eye protective devices | Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation. (12 Dec 1998) |
| acute intermittent porphyria | <gastroenterology, haematology> A group of rare inherited metabolic disorders that result from a disturbance in porphyrin metabolism, causing increased formation and excretion of porphyrin or its precursors. It is caused by hepatic overproduction of d-aminolevulinic acid, which has greatly increased urinary excretion and of porphobilinogen, and some increase of uroporphyrin, due to a deficiency of porphobilinogen deaminase. Clinical features: intermittent acute attacks of hypertension, abdominal colic, psychosis, and polyneuropathy, but with no photosensitivity. It is exacerbated by the ingestion of certain drugs such as; barbiturates). Inheritance: autosomal dominant. (20 Sep 2002) |
| Charcot's intermittent fever | Fever, chills, right upper quadrant pain, and jaundice associated with intermittently obstructing common duct stones. (05 Mar 2000) |
| porphyria, acute intermittent | A form of hepatic porphyria (porphyria, hepatic) characterised by periodic attacks of gastrointestinal disturbances, abdominal colic, paralyses, and psychiatric disorders. The onset of this condition is usually in the third or fourth decade of life. (12 Dec 1998) |
| hepatic intermittent fever | Ague-like paroxysms of fever occurring in cases of one or more stones in the common bile duct. (05 Mar 2000) |