and other purposes. MOUTH-TUBES
Year: 1886

page_text: .
and other purposes.
I, THOMAS WALTER FARADAY ROWNEY, residing at 31 Hartington Street,
Derby, in the County of Derbyshire, Dental Surgeon do hereby declare the nature
of my invention for MOUTH-TUBES and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:
My invention relates to improvements in Mouth tubes for Saliva Ejectors in
which two or more tubular arms are employed of the form shown in the drawings
or of any other form to suit special cases, and also a Tongue depressor which is
attached to one of the tubular arms so that it is detachable and reversible, that it
may be placed on either arm and thereby can be used in the mouth on either the
right or left side, or the Mouth tube may be used without the tongue depressor,
according to requirements, and it is further claimed that by this arrangement the
saliva which flows from all the ducts can be drawn off and the mouth kept dry.
I attain these objects by the instrument illustrated in the accompanying
drawings in which :
Fig. 2. is a general view of the entire instrument.
Fig. 1. is a view drawn from the instrument with its three terminals A, B
and E, resting on a table, and showing arrangement of holes and position of the
stops b, b.
Fig. 3. shows the Tongue depressor detached and also the relative position of its
hole with the hole in the arms, A and B.
Fig. 4. shows the most suitable curve for the arms and position of the stem C.
Fig. 5. is a section of the Depressor D.
Similar letters refer to similar parts throughout the several views.
The Instrument is a tube C with two or more arms, or branches, A. B; and a
Tongue depressor D. These may be of metal, or glass, or other material, such as
Hard Rubber usually known as Vulcanite, or Ebonite, or they may be a com-
bination of metal and Hard Rubber, or Ebonite, but preference is given to metal,
which may be Gilded, or Silvered, or Nickeled, according to the wishes of the
operator. The Instrument may be connected with the Saliva Ejector by an elastic
tube which can be slipped over the swelling at the end of the stem at E
Price 6d1

page_text: In use, one arm is placed between the cheek and the lower teeth, the other
within the jaw by the side of the tongue with the Depressor D. resting on the
tongue, the stop 6 preventing rotation from its pressure.
The Saliva is sucked through the holes a. a. a. in the arms A and B, by any
arrangement of Ejector which may best suit the operator.
The Depressor D can be removed altogether, or placed on either arm-A or B—
according to the side of the mouth on which the operator may be engaged.
The stem C may be straight or curved.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed, I declare that what
I claim is 1
1. A Mouth-tube with two or more arms-A. B. constructed and formed so that
it can be used to draw off the Saliva, or any other accumulation of fluid in the
mouth, not only, from within the jaw, and under the tongue, but also, from
between the lower teeth and cheek, at one and the same time.
2. A Tongue depressor D. adjustable on either arm, so that it may be used either
on the right or left side of the mouth.