(v. t.) A wheel with a broad rim, or grooved rim, for transmitting power from, or imparting power to, the different parts of machinery, or for changing the direction of motion, by means of a belt, cord, rope, or chain.
(b. t.) To raise or lift by means of a pulley.
Example Sentences:
(1) The model consists of electrically stimulating the lower leg muscles to contract against a weighted pulley bar.
(2) The traumatic agent is the sudden extension while the finger is holding an object and the flexor digitorum profundus is strongly contracted: the tendon retracts and the stump can be found either at the distal pulley, at the bifurcation of the superficialis tendon, or in the palm of the hand.
(3) Nine tendons were repaired with each of four suture patterns: single-locking loop, double-locking loop, triple-locking loop, or three-loop pulley.
(4) There was no evidence of a synovial cell layer on the surface of the A1 pulleys in either normal or trigger digits.
(5) The "pulley effect" of the skin and soft tissue as a supplement to the fibro-osseous pulleys in reducing tendon bow-stringing was also noted.
(6) Therefore, a method was developed to reconstruct the fibro-osseous pulleys with polytetrafluoroethylene (PTFE) membrane.
(7) The pulleys were studied in specific configurations to determine their effectiveness in transforming tendon excursion into finger flexion.
(8) Pulley advancement increased the tendon excursion required to flex this joint and thus the mechanical advantage at this joint, but only when the joint was partly flexed.
(9) It is not yet known whether it has sufficient breaking strength to meet the functional demands of human pulleys.
(10) Suddenly, we were back in the age of ropes and pulleys and brute strength to deliver her into the hands of the mechanised world.
(11) Pulley positions are relatively constant throughout postnatal development, with the gross anatomic characteristics correlating closely to those of the adult hand.
(12) Some rigged up pulley systems to hoist shopping to their windows, where the glass was cracked and fixed with tape.
(13) The whole flexor apparatus was resected and a single digital pulley (A 2) was reconstructed, using segments of the animals own deep flexor tendon.
(14) Suggested minimum requirements for the breaking strength of artificial implant pulleys may be made based on these studies.
(15) Flexor pulley restoration and the importance of maintaining strong pulley support are discussed and surgical techniques including those for flexor tendon grafting and reconstruction are described.
(16) The transverse fibers of the palmar aponeurosis are attached by vertical septa to the underlying transverse metacarpal ligament and thus form a pulley over the flexor tendons.
(17) The synthetic Nitex pulley appears to have the potential to function as an effective fibro-osseous pulley replacement.
(18) The triple-locking loop and three-loop pulley patterns were close in strength and only the triple-locking loop was stronger than the double-locking loop.
(19) The long-term results of the key grip procedure (tenodesis of the flexor pollicis longus tendon to the radius, release of the A1 pulley, and percutaneous pin fixation of the interphalangeal joint of the thumb) were evaluated in 10 tetraplegic patients.
(20) Satisfactory grip functions were restored for all patients after the secondary pulley reconstruction.
Wedge
Definition:
(n.) A piece of metal, or other hard material, thick at one end, and tapering to a thin edge at the other, used in splitting wood, rocks, etc., in raising heavy bodies, and the like. It is one of the six elementary machines called the mechanical powers. See Illust. of Mechanical powers, under Mechanical.
(n.) A solid of five sides, having a rectangular base, two rectangular or trapezoidal sides meeting in an edge, and two triangular ends.
(n.) A mass of metal, especially when of a wedgelike form.
(n.) Anything in the form of a wedge, as a body of troops drawn up in such a form.
(n.) The person whose name stands lowest on the list of the classical tripos; -- so called after a person (Wedgewood) who occupied this position on the first list of 1828.
(v. t.) To cleave or separate with a wedge or wedges, or as with a wedge; to rive.
(v. t.) To force or drive as a wedge is driven.
(v. t.) To force by crowding and pushing as a wedge does; as, to wedge one's way.
(v. t.) To press closely; to fix, or make fast, in the manner of a wedge that is driven into something.
(v. t.) To fasten with a wedge, or with wedges; as, to wedge a scythe on the snath; to wedge a rail or a piece of timber in its place.
(v. t.) To cut, as clay, into wedgelike masses, and work by dashing together, in order to expel air bubbles, etc.
Example Sentences:
(1) It is suggested that the normal cyclical release of LH is inhibited in PCO disease by a negative feedback by androgens to the hypothalamus or the pituitary, and that wedge resection should be reserved for patients in whom other forms of treatment have failed.
(2) An opening wedge osteotomy is then directed posterior-dorsal to anterior-plantar, to effectively plantarflex the posterior aspect of the calcaneus.
(3) Lisinopril increases cardiac output, and decreases pulmonary capillary wedge pressure and mean arterial pressure in patients with congestive heart failure refractory to conventional treatment with digitalis and diuretics.
(4) It was then determined whether reducing the PA wedge pressure during exercise with prazosin (9 patients) or dobutamine (6 patients) reduced ventilatory levels toward normal.
(5) He elaborates: "Republicans use powerful economic wedge issues to great impact.
(6) The method described uses film DOT-I and DOT-II by Dupont, whereby the exposure of the step wedge takes place on a linear accelerator with a photo energy of 10 MeV.
(7) Indirect methods to evaluate left ventricular function included the use of the Swan-Ganz catheter for pulmonary capillary wedge pressure measurement, systolic time intervals, and cardiac output.
(8) We performed carinal reconstruction in eight patients, sleeve pneumonectomy in eight patients and wedge pneumonectomy in one.
(9) The mitral valve area was less than 1 cm2 in 61%, the wedge pressure over 25 mmHg in 59% and the pulmonary artery systolic pressure over 50 mmHg in 59%.
(10) Lungs were evaluated for the presence of wedge-shaped pleural-based densities and for the presence of an associated vascular sign.
(11) The isodose curves exhibited the desired wedge angles over the range of field sizes from 5 x 5 to 15 x 40 cm.
(12) This is contradicted, however, by maintained blood pressure and pulmonary capillary wedge pressure, increased cardiac output, and reduced peripheral resistance.
(13) Early complications included disc entrapment against the ventricular wall in three cases, wedging of chorda between disc and valve rim in two and posterior perforation of the left ventricle in three patients.
(14) Meanwhile, among hepatic and systemic hemodynamics, wedged hepatic venous pressure, hepatic venous pressure gradient, free hepatic venous pressure, cardiac index, systolic blood pressure, systemic vascular resistance, and stroke volume were found to have changed significantly after tilting.
(15) Cardiac disorders being usually concomitant with this syndrome (interventricular leak, pulmonary arterial wedge stenosis etc.)
(16) As an initial feasibility study of computer-controlled radiation therapy, its application to produce wedge-shaped dose distributions by moving the collimator jaws has been evaluated.
(17) Five shoulders had a posterior opening-wedge osteotomy of the scapular neck to correct the excessive retroversion of the glenoid cavity.
(18) The results showed a satisfactory inter- and intraobserver agreement for wedge (Kappa = 0.72 and 0.90) and compression fractures (Kappa = 0.60 and 0.92).
(19) Among 28 patients with chronic obstructive pulmonary disease (COPD) with increasing dyspnea, the resting mean pulmonary arterial wedge pressure was elevated (greater than 12mm Hg) in 4 and became abnormal with exercise in 3 other subjects.
(20) After induction of spinal anaesthesia the mean arterial pressure, right atrial pressure, pulmonary capillary wedge pressure and systemic vascular resistance were significantly reduced.