First the point was gradually introduced by rotating the dilator and pushing it simultaneously till it entered for a distance of four finger breadths (2.
This leaden dilator is referred to over and over again by Hippocrates.
The use of the sound as a staff in lithotomy, or as a dilator of a strictured urethra, was not known to the ancients, and thus we have no evidence from the literature that a solid bougie existed.
When the tent has been prepared fill it with rubbed down mutton fat, and when ready extract the wooden dilator and insert the leaden one.
The channel in each blade allows the closed dilator to be pushed down over the presenting point of such bodies as tacks, after which the blades are opened and the stricture stretched.
The Trousseau dilator should now be inserted, the head of the table should be lowered, and the patient should be turned on the side to allow the blood to run away from the wound.
For enlarging the bronchial narrowing associated with pulmonary abscess and sometimes found above a bronchiectatic or foreign body cavity, the expanding dilator shown in Fig.
Remember Trousseau dilator or hemostat will spread the tracheal wound or fistula when cannula is out.
The hollow type of dilator is to be used in cases in which the foreign body is held in the stricture (Fig.
A Trousseau dilator should now be inserted in the tracheal incision, its blades gently separated.
The author frequently used smooth forceps for this purpose, and found them so efficient that this dilator was devised.
In order to remove the foreign body, this stricture must be dilated, and for this the bronchial dilator shown in Fig.
This dilator may be pushed down over the stem of such an object as a tack, and the stricture dilated without the risk of pushing the object downward.
The iris contains a sphincter and a dilator muscle; the former, supplied by branches from the oculomotorius nerve, is under control of the will, whilst the dilator fibres belong to the sympathetic system.
The rubber dilator (impregnator), sometimes helpful in the mare, is rarely available for the cow, owing to the different condition of the mouth of the womb.
The incisions are made in four directions, as deep as may be necessary, and the walls then can be held apart by the spring dilator until they heal.
The milk may be drawn off with a teat tube, or spring teat dilator (Pl.
They can be moved up and down by manipulation of the teat, and if they can not be pressed out they may be extracted by using the spring teat dilator (Pl.
A teat tube or spring dilator may be worn to drain the milk off and prevent distention and reopening of the orifice.
Incisions should be made in at least two opposite directions, and the edges then may be held apart by wearing the spring dilator until healing has been completed.
Extraction may be attempted, in the case of the finely divided gritty matter, by simple milking or with the spring dilator (Pl.
Sponge tents may be inserted or the mechanical dilator (Pl.
Dilator of the neck of the womb, used when conception can not take place owing to a contracted condition of the neck of the womb.
If the true condition of things is recognized at the time of the subsidence of the labor pains, the mouth of the womb may be dilated by the fingers, by the insertion of sponge tents, or by a mechanical dilator (Pl.
A rubber canula should be substituted in place of a metal one; if it were possible it would be advisable to discard the tube altogether, but as yet no form of dilator has been devised which will take the place of the canula.
The point of the dilator is entered vertically into the punctum and then turned parallel with the lid margin and passed onwards with a steady pressure.
By means of a specially designed dilator and splint the septum can be moulded into a good position, and maintained there until healing takes place.
For this reason the fine point of Nettleship’s dilator is more suitable than the form modified by Lang.
The only difficulty which may be experienced is in entering the dilator into the punctum, owing to the small size of the latter.
This is reassuring to the surgeon, and at this point the dilator should be introduced and the anæsthetic abandoned.
The entrance to the canaliculus should be kept open by means of the dilator passed twice a week for a month.
Sterilized vaseline or glycerine of perchloride of mercury may be smeared over the point of the dilator to facilitate its passage.
Even Nettleship’s dilator is too large in a few cases, and here a large sharp-pointed pin is sometimes of use in defining the punctum before using Nettleship’s dilator.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "dilator" in a variety of sentences. We hope that you will now be able to make sentences using this word.
