| surgical instruments | Hand-held tools or implements used by health professionals for the performance of surgical tasks. (12 Dec 1998) |
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| reed instrument theory | A no longer tenable theory stating that in human voice production the larynx functions in a manner similar to a reed musical instrument. (05 Mar 2000) |
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| plugging instrument | A dental instrument used for condensing gold (foil), amalgam, or any plastic material in a cavity, and which is operated by hand or by mechanical means. Synonym: packer, plugging instrument. (05 Mar 2000) |
| Sabouraud-Noire instrument | An obsolete device for measuring the quantity of X-rays by means of the change in colour of a disk of barium platinocyanide which exposure to them produces; the unit used in this method is called tint B = erythema dose. (05 Mar 2000) |
| purse-string instrument | An intestinal clamp with jaws at an angle to the handle; when closed across the bowel, large grooved interdigitating serrations allow passage of a straight needle and suture through each side to form a purse-string suture, after which the clamp is removed. (05 Mar 2000) |
| stereotactic instrument | Stereotaxic instrument, an apparatus attached to the head, used to localise precisely an area in the brain by means of coordinates related to intracerebral structures. (05 Mar 2000) |
| stringed instrument theory | A no longer tenable theory stating that in human voice production the vocal cords function in a manner similar to the strings in a stringed musical instrument. (05 Mar 2000) |
| instrument | A tool or implement. Origin: L. Instrumentum (05 Mar 2000) |
| test handle instrument | A root canal instrument the handle of which is similar to a collet chuck and which can be secured in position on the root canal instrument to adjust its effective length. (05 Mar 2000) |
| Krueger instrument stop | A mechanical device limiting the insertion of a root canal instrument into a canal. (05 Mar 2000) |
| absorbable surgical suture | A surgical suture material prepared from a substance that can be digested by body tissues and is therefore not permanent; it is available in various diameters and tensile strengths, and can be treated to modify its resistance to absorption and be impregnated with antimicrobial agents. (05 Mar 2000) |
| anastomosis, surgical | Surgical union or shunt between ducts, tubes or vessels. It may be end-to-end, end-to-side, side-to-end, or side-to-side. (12 Dec 1998) |
| biliary tract surgical procedures | Any surgical procedure performed on the biliary tract. (12 Dec 1998) |
| blood loss, surgical | Loss of blood during surgery. (12 Dec 1998) |
| cardiac surgical procedures | Surgery performed on the heart. (12 Dec 1998) |
| cardiovascular surgical procedures | Surgery performed on the heart or blood vessels. (12 Dec 1998) |