What's the difference between grommet and washer?

Grommet


Definition:

  • (n.) A ring formed by twisting on itself a single strand of an unlaid rope; also, a metallic eyelet in or for a sail or a mailbag. Sometimes written grummet.
  • (n.) A ring of rope used as a wad to hold a cannon ball in place.

Example Sentences:

  • (1) Thus, only 1% of the ears with grommets had hearing losses exceeding 30 dB HL, whereas this occurred in about 20% of ears without grommets.
  • (2) Between the two groups, statistically significant differences were apparent in the management of this common complication of grommet surgery.
  • (3) These included around 1,500 cataract operations, 900 skin lesion removals, 630 hip and knee operations, 400 spine operations, 250 gall bladder removals and nearly 300 tonsil and grommets operations.
  • (4) Ten individuals received injected anaesthetic prior to myringotomy and grommet insertion and the discomfort of injection and of the procedure were similarly measured.
  • (5) A very large number of grommets are inserted to improve middle ear ventilation in children.
  • (6) Tympanosclerosis due to grommet insertion is summated using computer graphics.
  • (7) The first group was treated with adenoidectomy only, the second group was treated with adenoidectomy and bilateral myringotomies with insertion of grommets.
  • (8) A prospective trial was therefore designed to compare the function and extrusion rates of these grommets with those of the widely used Shepard design of Teflon grommet in a single group of patients.
  • (9) In 33 children, median age 4 years, with bilateral secretory otitis, adenoidectomy was performed, a grommet was inserted in the right ear, and paracentesis was done on the left side.
  • (10) T tubes remain in-situ for longer than grommets, and they are frequently used in cases where multiple grommet insertions have failed to provide adequate middle ear ventilation.
  • (11) The set screw makes electrical contact and mechanically secures the lead connector pin with a set screw insulated by a self-sealing grommet or an integral or separate set screw cover.
  • (12) In all of the others, the hearing impairment recurred, and continued to recur despite multiple grommet insertions in several patients.
  • (13) Half of these patients had a history of grommet insertion.
  • (14) Treatment of coexisting nasal, nasopharyngeal or sinus conditions at the time of grommet insertion did not result in any long-term improvement in hearing levels in comparison with those patients in whom no such aetiological factor was identified.
  • (15) One hundred and ninety-three consecutive children with bilateral secretory otitis media were treated by adenoidectomy, bilateral paracentesis, and evacuation of middle ear effusion, but with insertion of a grommet in the right ear only.
  • (16) Both preparations induced well-tolerated analgesia suitable for myringotomy with or without insertion of a grommet in the office environment.
  • (17) Cholesteatoma in children may be a sequel to chronic exudative otitis media with tympanic membrane retraction but the role of grommets in the possible facilitation of squamous epithelial invasion into the middle ear is not yet clear.
  • (18) We also use the T-grommet membrane tube for adults with chronic eustachian tube problems.
  • (19) Ventilation tubes ("grommets") appear to be the logical treatment of chronic secretory otitis media, based on the theory of its pathogenesis.
  • (20) Rubber grommets within the cooling tower probably provided a nidus of infection there.

Washer


Definition:

  • (n.) Same as Washerwoman, 2.
  • (n.) One who, or that which, washes.
  • (n.) A ring of metal, leather, or other material, or a perforated plate, used for various purposes, as around a bolt or screw to form a seat for the head or nut, or around a wagon axle to prevent endwise motion of the hub of the wheel and relieve friction, or in a joint to form a packing, etc.
  • (n.) A fitting, usually having a plug, applied to a cistern, tub, sink, or the like, and forming the outlet opening.
  • (n.) The common raccoon.

Example Sentences:

  • (1) The major advantage of this technic in comparison with the Gravlee Jet Washer is its low cost.
  • (2) During the first 19 months of use of the washer, nosocomial post-UGI endoscopy colonization or infections with P. aeruginosa increased 36%.
  • (3) Tests of effectiveness of disinfection of metal and polypropylene bedpans were made in a washer fitted with a steam generator.
  • (4) We must pay attention to contamination of endoscopes and endoscope washer at least once a month.
  • (5) Most train yards have a washer system, which we call the "buff", that takes about 10 minutes to clean the whole train, and that's it – it goes back into service.
  • (6) The current study aimed to examine sociodemographic and clinical variables between washer and checker subgroups of obsessive compulsive disorder.
  • (7) The point of contact was changed by the addition of a Belleville washer between the interface of the wing-nut clamp and the cheek.
  • (8) It has two Teflon-washered glass valves for filling, and two thermistors are supported at the center by glass capillary tubes.
  • (9) Physical cleaning and chemical sterilization of taps, and replacement of washers with 'approved' brands did not eradicate the organisms.
  • (10) Similar z values were obtained for the plastic and steel strip systems (z(D) = 21 C), but an unusually low z for spores on paper (z(D) = 12.9 C) and an unusually high z for spores on steel washers mated at 150 inch-lb of torque (z(D) = 32 C) were observed.
  • (11) When [1-(14)C]arachidonic acid (AA) was incubated with washer thrombocyte suspension, AA was mainly converted to PGF(2alpha), PGE2, and PGD2 in all species.
  • (12) Of these, two cell separators and the IBM cell washer are shown to be capable of producing YRBC suitable for clinical use.
  • (13) There was visible moisture remaining in the suction channel despite the use of the complete recommended automatic washer cycle.
  • (14) YRBC prepared from the IBM 2991 cell washer are recommended for clinical trials because of lower cost, greater convenience and lower white cell contamination compared to cell separator-derived YRBC.
  • (15) The findings are the following: (1) The 4.0-mm bolt with the 12-mm washer had greater pull-out resistance from thin (12-mm thick) cancellous bone than did the 6.5-mm cancellous screw.
  • (16) Patch tests with the GEIDC standard series of allergens, and with 8 washers made of copper, nickel, nickel-palladium, palladium, brass, bronze, gold and iron, were carried out in 964 consecutive patients who complained of intolerance to metals and in 200 controls who did not.
  • (17) The authors present a new technique utilizing a cancellous screw and polyacetal resin washer to attach the tendon to the navicular.
  • (18) Of 412 subjects seen during 1975-1984, there were 123 washers, 70 checkers and 89 washers and checkers (mixed group).
  • (19) The purpose of the present study was to determine the levels of solvent exposure of car washers and to evaluate the effectiveness of ventilation systems in car washing facilities.
  • (20) Since it requires no special equipment other than a microplate reader and washer it is particularly suitable for laboratories lacking the electrophoretic expertise or equipment required for EIA.

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