Year: 1888

page_text: Date of Application, 2nd May, 1888
Complete Specification Left, 26th Sept, 1888
Complete Specification Accepted, 26th Oct., 1888
I, JAMES ARNOLD, of the firm of Arnold and Sons, of West Smithfield in the City
of London, Surgical Instrument Makers, do hereby declare the nature of this
invention to be as follows:-
:-
This new or improved castrating or emasculating instrument is composed of two
flattened steel blades with slots in each of same, the meeting edges being serrated.
These two blades are hinged together at one end, and at the other they are provided
with handles which can be secured and brought tightly together when required by a
sliding clip. In one slot there is a rounded edged blade worked or propelled up and
down by a screw contained within a conveniently shaped handle for operating the said
blade.
When the jaws of the castrating or emasculating instrument or emasculator are
applied they are tightly brought together by pulling the clip along the handles whereby
the vessels are constricted, the knife is then screwed down between the plates and the
parts are severed.
The instrument is light yet strong and it effectually prevents hæmorrhage from
the spermatic artery by severing it with its blunt and round edged blade.

page_text: COMPLETE SPECIFICATION.
A New or Improved Emasculator or Castrating Instrument.
J, JAMES ARNOLD of the firm of Arnold and Sons of West Smithfield in the City
of London, Surgical Instrument Makers 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 new or improved castrating or emasculating instrument, is composed of two
flattened steel blades with slots or guides in or on each of same, the meeting edges
being serrated. These two blades are hinged together at one end, and at the other
they are provided with handles which can be secured and brought tightly together
when required by a sliding clip. In one slot there is a rounded edged blade worked or
propelled up and
and down by a screw contained within a conveniently shaped handle for
operating the said blade.
The accompanying drawings fully illustrate the manner in which my invention is
carried into effect.
Figure 1 is a side sectional elevation of this new or improved emasculator or as it is
sometimes called a clam or castrating instrument, Figure 2 shews the sliding clip in
end view; Figure 3 is a plan view of one of the two flattened steel blades and shewing
the serrations thereon; Figure 4 is a horizontal section through the line X Y of
Figure 1, and Figure 5 is a section through the line X¹ Y₁ of same, Figure 6 shews
an elevation of the blade detached, and Figure 7 is a general perspective view of the
instrument shewing the same partially open with the edge of the blade just visible
between the flattened steel jaws.
The same letters of reference refer to like parts in all the figures.
A A¹ are the flattened steel jaws or blades preferably curved to, of or about the shape
shewn, and hinged together as shewn at B; each of these blades is slotted, or guides
are provided instead at the sides. The blades are best seen at Figure 3 by which view
the preferably curved shape is also well seen, and the edges thereof are serrated as
shewn in the same figure.
a is a guide pin shewn by dotted lines in Figure 1 which when the blades are
brought together and into the position shewn by Figure 1, this guide enters an
aperture 6 best 'seen at Figure 3. CC are the handles of the instrument and along
which the clip I shewn at Figure 2 can slide when required either to keep the
handles C C and blades A.A tightly together or by removing the clip to allow them
to open to the full extent as shewn by the dotted lines Figure 1 or otherwise. D is
the round edged cutting blade shewn separately at Figure 6 and which is inserted in
the slot of the blade A or into guides at the side thereof which blade A is propelled
up and down by a screw E operated by turning the handle F and collar G carried by
the bracket H secured to the blade A.
The operation of the instrument is as follows:
When the jaws or blades A A¹ of the castrating or emasculating instrument or
emasculator or clam are applied to the parts to be removed they are tightly

page_text: brought together by pulling the clip 1 shewn at Figure 2 along the handles C C¹³
whereby the vessels are very tightly held by the serrations and are constricted,
the blade D is then screwed down in the slots in the blades A A¹ and the parts are
severed.
The instrument is light, yet strong, and it effectually prevents hæmorrhage
from the spermatic artery by severing it with its blunt and round edged
blade.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. In an emasculator or castrating instrument or clam, the blunt and rounded edged
blade D in combination with the curved and flattened slotted and serrated edge steel
blades A A¹ as set forth.
2. In an emasculator or castrating instrument or clam, the blade D, screw E and
handle F in combination with the slotted and serrated edged blades A A', pin a,
aperture 6, clip I and handles C (as and for the purposes set forth.
Dated this 26th dow of Sentember 1888