A practical treatise on the diseases of the ear including the anatomy of the organ . ^ Morceps. ceps, an aural speculum, and a concave mirror or first is of use to remove any temporary obstructions whichmay prevent a view ; the second dilates the canal; and thethird throws the light into it. According to Wilde* Dr. Newbourg, in a memoir pub-lished at Brussels in 1827, recommended an instrument whichis the origin of all the tubular ear specula now in use. It wasa slender horn tube, four inches long, with a bell-shaped outer. Orubers Speculum. orifice. Subsequently this i
A practical treatise on the diseases of the ear including the anatomy of the organ . ^ Morceps. ceps, an aural speculum, and a concave mirror or first is of use to remove any temporary obstructions whichmay prevent a view ; the second dilates the canal; and thethird throws the light into it. According to Wilde* Dr. Newbourg, in a memoir pub-lished at Brussels in 1827, recommended an instrument whichis the origin of all the tubular ear specula now in use. It wasa slender horn tube, four inches long, with a bell-shaped outer. Orubers Speculum. orifice. Subsequently this instrument, which was much toolong, was improved by shortening it, by Dr. Ignaz Gruber, of * Treatise on Diseases of the Ear, p. 60. METHOD OF HOLDING THE SPECULUM. 81 Vienna, and generally introduced to the profession by SirWilliam Wilde, in 1844. After a fair trial of the bi-valvularinstrument of Kramer, and the funnel-shaped one of Toynbee,I now use the conical speculum, either that of Wilde, Troltsch,or Gruber. I do not think that any one of these has anygreat advantage over the others. The practitioner will do verywell with any one of them. Too much stress is sometimeslaid on a little change in shape. I prefer that the interior sur-face of the speculum be brilliant, and not black, as those ofGruber are sometimes made. Those who consider that there is an advantage in a funnel-shaped instrument, will find the one here figured preferableto Toynbees, because the transition from the wide orifice,which dilates the cartilaginous part of the c
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Keywords: ., bookcentury1800, bookdeca, booksubjectear, booksubjecteardiseases
