- 1. A slender, solid, usually sharp-pointed instrument used for puncturing tissues, suturing, or passing a ligature around or through a vessel. 2. A hollow n. used for injection, aspiration, biopsy, or to guide introduction of a catheter into a vessel or other space. 3. To separate the tissues by means of one or two needles, in the dissection of small parts. 4. To perform discission of a cataract by means of a knife n.. [M.E. nedle, fr. A.S. naedl]- aneurysm n., artery n. a blunt-pointed, curved n., set in a handle, with the eye at the point, used for passing a ligature around an artery.- aspirating n. a hollow n. used for withdrawing fluid from a cavity, when combined with an aspirator tube attached to one end.- Emmet n. a strong n. with the eye in the point, having a wide curve, and set in a handle, used to pass a ligature around an undissected structure.- exploring n. a strong n. with a longitudinal groove, which is thrust into a tumor or cavity to determine the presence of fluid, the latter escaping along the groove.- Francke n. a small lancet-shaped, spring-activated n., used to evacuate a small effusion of blood.- hypodermic n. a hollow n., similar to but smaller than an aspirating n., attached to a syringe; used primarily for injection.- lumbar puncture n. a n., provided with a stylet, for entering the spinal canal or cisterna magna, with a bore of at least 1 mm and 40 mm or more in length.- stop-n. a surgical n., with the eye at the tip, the shank of which has a projecting shelf to arrest the n. when it has passed the desired distance through the tissues.- Tuohy n. a n. with a lateral opening at the distal end, designed to cause a catheter passing through the n.'s lumen to exit laterally at a 45° angle; used to place catheters into the subarachnoid or epidural space.- Veress n. a n. equipped with a spring loaded obturator that is used for insufflation of the abdomen in laparoscopic surgery.
* * *nee·dle 'nēd-əl n1) a small slender usu. steel instrument designed to carry sutures when sewing tissues in surgery2) a slender hollow instrument for introducing material into or removing material from the body parenterallyneedle vt, nee·dled; nee·dling 'nēd-liŋ, -əl-iŋ to puncture, operate on, or inject with a needle <needling a cataract>
* * *n.a slender sharp-pointed instrument used for a variety of purposes. Needles used for sewing up tissue during surgery are of various designs, for specific operations; they are equipped with an eye for threading suture material or they have the suture material fused onto them (so-called atraumatic needles). Hollow needles are used to inject substances into the body (in hypodermic syringes), to obtain specimens of tissue (see puncture), or to withdraw fluid from a cavity (see aspiration, biopsy). See also stop needle.
* * *nee·dle (neґdəl) [L. acus] 1. a sharp instrument for suturing or puncturing. 2. to puncture with a needle, as in discission of the lens for treatment of cataract.
Medical dictionary. 2011.
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Needle — may refer to: Contents 1 Crafting 2 Botany 3 Geography 4 … Wikipedia
Needle — Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh. to E … The Collaborative International Dictionary of English
needle — [nēd′ l] n. [ME nedle < OE nædl, akin to Ger nadel < IE base * (s)nē , *(s)nēi , to sew, spin > SNOOD, L nere, Gr nein, to spin] 1. a) a small, slender piece of steel with a sharp point at one end and a hole for thread at the other, used … English World dictionary
Needle — Título Needle Ficha técnica Dirección John V. Soto Producción Diedre Kitcher Guion … Wikipedia Español
Needle — Nee dle, v. t. 1. To form in the shape of a needle; as, to needle crystals. [1913 Webster] 2. To tease (a person), especially repeatedly. [PJC] 3. To prod or goad (someone) into action by teasing or daring. [PJC] … The Collaborative International Dictionary of English
needle — ► NOUN 1) a very thin pointed piece of metal with a hole or eye for thread at the blunter end, used in sewing. 2) a similar, larger instrument without an eye, used in knitting, crochet, etc. 3) the pointed hollow end of a hypodermic syringe. 4) a … English terms dictionary
Needle — Nee dle, v. i. To form needles; to crystallize in the form of needles. [1913 Webster] … The Collaborative International Dictionary of English
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needle — noun 1 for sewing, knitting, etc. ADJECTIVE ▪ long ▪ blunt ▪ sharp ▪ fine ▪ darning, embroidery … Collocations dictionary
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