Tympanostomy tubes. (Product Marketplace).In 1973 Kurz made its first gold ventilation tube for a patient who was severely allergic to synthetic grommets. In a subsequent study, gold tubes showed favorable results, such as trouble-free insertion, excellent drainage, and prolonged retention time in the tympanic membrane tympanic membrane n. See eardrum. Tympanic membrane A structure in the middle ear that can rupture if pressure in the ear is not equalized during airplane ascents and descents. . Also, gold's oligodynamic surface properties inhibit the growth of bacteria. All these features make gold a preferable material for tympanostomy tubes tympanostomy tube n. A small tube inserted through the tympanic membrane after myringotomy to aerate the middle ear; often used in the treatment of secretory otitis media. Tympanostomy tube Ear tube. . Over the years Kurz has added other materials with proven records of biocompatibility biocompatibility the quality of not having toxic or injurious effects on biological systems. biocompatibility 1. The extent to which a foreign, usually implanted, material elicits an immune or other response in a recipient 2. . All tubes are designed for high therapeutic demands and efficiency. Long-term ventilation, improved clog resistance, good tissue tolerability tol·er·a·ble adj. 1. Capable of being tolerated; endurable. 2. Fairly good; passable. See Synonyms at average. tol , and high infection resistance are combined in one product. Today, Kurz ventilation tubes are available in goldplatinum, gold-coated silver, titanium titanium (tītā`nēəm, tĭ–) [from Titan], metallic chemical element; symbol Ti; at. no. 22; at. wt. 47.88; m.p. 1,675°C;; b.p. 3,260°C;; sp. gr. 4.54 at 20°C;; valence +2, +3, or +4. PVD-coated, and titanium, in various styles and sizes. They are available with or without wire and come in units of 10 sterile, single-packed tubes. Circle 156 on Reader Service Card |
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