An Improved Device for Applying a Jet of Steam or other Body for Medical Purposes.
Year: 1889

page_text: Date of Application, 13th Aug., 1889-Accepted, 21st Sept.,
1889
An Improved Device for Applying a Jet of Steam or other Body for
Medical Purposes.
1, DEXTER MEGQUIRE SMALL, Attorney of the City and County of Providence,
in the State of Rhode Island, United States of America, do hereby declare the nature
of this invention; and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
:-
This invention relates to an improved device for making applications to the body
by means of a jet of steam or other body, said device being more particularly
applicable to the cavity of a tooth for temporarily ailaying the sensibility thereof,
removing inflammation and destroying the bacteria therein. Fig. 1 of the accompanying
drawings which form a part of this specification is a side view, partly in section, of
an instrument which embodies my invention; Fig. 2 being a slight modification
thereof.
My improvement consists in combining with a steam generator F, a device G for
heating it (whether same be placed on floor, shelf or table or supported in the
manipulating hand of the operator which is preferable); also in combining there-
with an outlet pipe H, either rigid or flexible, leading therefrom to point of contact,
with or without a shield S, or section A B impervious to heat, as in Fig. 2, for pro-
tecting the fingers of the operator as also the mouth and face of the patient, agains
the heat, this outlet pipe having a comparatively diminutive orifice with or without a
close fitting nozzle free to turn radially therein for convenience in reaching different
points or cavities.
The inner end of this orifice, as also of the nozzle, is separated by a sharp angle from
the walls of the main outlet pipe, so that the water produced by condensation
of steam therein, cannot come in contact with it and thus be forced out with the
steam.
The little annular well around this orifice and nozzle within the pipe is for holding
the water which condenses while the pipe is being used in a position which inclines
towards the point C.
The section A B is preferably constructed of hard rubber with thick walls as
shown.
The dotted lines indicate a variation in my device whereby an enlarged chamber
or any kind of receptacle for the condensed steam could be used with a smaller outlet
pipe, though preferable to have the pipe of sufficient diameter to afford the requisite
space therefor without such receptacle.
Having now particularly described and ascertained the nature of this inven-
tion, and in what manner the same is to be performed I declare that what I
claim is:
1) The combination with the reservoir of a dental tool or hand instrument having
a short outlet pipe for introducing a heated product into the cavity of a tooth for the
purpose set forth, of a diminutive heating apparatus constructed and arranged so as
to be supported in connection therewith by the manipulating hand of the operator.
2) The combination with a device for introducing a heated product into the cavity
of a tooth, of a shield S near the orifice of the outlet pipe substantially as and for the
purpose set forth.
3) The combination with the conduit or outlet pipe of a device for applying a jet
of steam or other body for medical purposes as set forth, of a short and comparatively
diminutive nozzle free to turn radially, independent thereof, substantially as and for
the nurnoce not forth

page_text: 4) The combination with the conduit or outlet pipe of a device for applying a jet
of steam or other body for medical purposes as set forth, of an orifice or nozzle having
its inner end which is within the conduit, raised above, or separated by a sharp angle
from the inner walls thereof, so that the water produced by condensation of steam
within the conduit shall not come in contact therewith.
5) The combination with the conduit or outlet pipe of a device for applying a jet
of steam or other body for medical purposes as set forth, of a receptacle for holding
the water produced by condensation of steam within the conduit.
6) The combination with a device for applying a jet of steam or other body for
medical purposes as set forth. of a pipe or conduit, the outer section, or end of which,
.containing the orifice or aperture for the nozzle, is composed of non-conducting
material substantially as described.
D. M SMALL.
Per Huelser & Co.,
His Attorneys.