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UNITED
STATES PATENT OFFICE.
BENJAMIN FRANKLIN OVERTON, OF OMEN, TEXAS.
PESSARY.
SPECIFICATION forcing part of Letters Patent No. 705,285, dated July 22, 1902.
Application filed January 24, 1902. Serial No. 91,109; (No model)To all whom it may concerns:
Be it known that I, BENJAMIN FRANKLIN
OVERTON, a citizen of the United States, re-
siding at Omen, in the county of Smith and
5 State of Texas, have invented a new and use-
ful Pessary, of which the following is a speci-
fication.
My invention relates to certain improve-
ments in intra-uterine pessaries of that class
io employed for the local application of a medi-
cament for healing purposes, and has for its
object to provide a simple device of the class
which may readily be placed in position or
removed without injury to the' uterus and
15 which will be supported in position by the
uterus, so that- the medicament will at all
times be held in proper position against dis-
eased portions of the os uteri.
A further object of the invention is to pro-
20 vide a device which may be employed as a
dilator for a variety of purposes.
With these and other objects in view the
invention consists in the novel construction
and combination of parts -hereinafter de-
25 scribed,illustrated in the accompanying draw-
ings, and particularly pointed out in the ap-
pended claims.
In the drawings, Figure 1 is a sectional ele-,
vation of a pessary constructed in accordance
30 with my invention, illustrating the intra-
uterine portion in contracted position and
showing the introducing device in position.
Fig. 2 is a similar view, the introducer being
removed and the intra-uterine portion in ex-
35 panded position. Fig. 3 is a detail perspec-
tive view of the pessary.
Similar numerals of reference are employed
to indicate corresponding parts throughout
the several views.
40. The stem of the device, or that portion de-
signed to fit within the uterus, is made in two
sections 5 6, which when expanded serve to
securely hold the device in position. The
section or member 5 is hollow, and its lower
45 neck portion is secured to or formed integral
with a metallic cup 7, in which a suitable
medicament may be placed. .
8 designates a ring or disk of rubber or
some similar yielding material held to the cup
So 7 by a metallic cup-shaped disk 10, the cen-
tral portion of which has a suitable opening
for the passage of the lower tubular portionof the section 5, and to which it may be riv-
eted or otherwise secured. The soft-rubber
disk S makes contact with the vaginal inem- 55
brane during the introduction and removal
of thepessary and prevents injury from con-
tact with the metallic cup. The neck por-
tion 11 of the member 8 extends completely
around the stem and at the open side of the 6o
member 8 is of short vertical height, forming
a bearing or support fora shoulder 12, formed
on the member 6, the latter being adapted for
rocking movement on the support to contact
or expand the stem, the normal position being 65
that shown in Fig. 2, where the sections are
shown as spread under the influence of a
spring 14. Within the lower portion of the
neck 11 the members 5 6 are each provided
with a half-nut, (designated 15 and 16,) respec- 70
tively, these normally being held toward each
other by the spring, as shown in Fig. 2.
When the device is to be inserted in the
os uteri, an introducer 17 is employed. This
device comprises a rod of sufficient length 75
for the purpose, said rod having a threaded
portion 18, adapted to engage in the half-
nuts 15 and 16 and being provided with a
conical end 19, which may be inserted be-
tween the half-nuts to facilitate the introduc- 8o
tion of the threaded portion. When the in-
troducing-rod is screwed into place, the mem-
bers 5 and 6 will be drawn toward each other
against the influence of the spring 14, the
stem being contracted to a degree sufficient to 85
permit its ready introduction into the mouth
of the uterus, the rubber disk preventing in-
jury to the vaginal membrane during the op-
eration. When the stem is fully inserted,
the rod 17 is unscrewed from the half-nuts 90
and removed. The spring gradually presses
the member 6 against the inner wall of the
uterus, the pressure exerted being sufficient
to partly dilate the uterus and firmly hold the
device in position. In removing the pessary 95
the rod 17 is inserted between the half-nuts
and serves to contract the stem to an extent
sufficient to permit its removal.
The device may be employed for a number
of purposes and is of particular-value as a 1oo
dilator for the relief of painful menstruation.
Owing to its lightness and the ease with which
it is introduced and supported in place it is
of great value in the application of medica-
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Reference the current page of this Patent.
Overton, Benjamin Franklin. Pessary, patent, July 22, 1902; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513844/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.