58 ANi:\rAL Castration 



The peritoiieimi perforator referred to here is a piece of nickel- 

 plated steel wire sixteen inches long with handle on one end and 

 right angle hook on the other. This hook is one inch in length 

 and its perforating snrface is slightly dulled. The function of 

 this instrument, as its name indicates, is to make the opening 

 through the thin abdominal wall. 



(3) Ecraseur. The most satisfactory ecraseur yet offered to 

 the veterinary profession in this country is shown in Fig. 41. 

 This instrument is strong, well constructed and its design ideal. 

 The advantages of this instrument over others consists of an ar- 



Fig. 41 — Dunn's Ecraseur. 



rangement by which, with the thumb and hiiger of one hand (the 

 other hand left free) the -ecraseur can be held, and the slack of 

 the chain taken up at once without drawing out the screw or 

 lengthening the instrument. 



The thumb-piece, on the end of which the female thread is cut, 

 works automatically, engaging the screw at all times until re- 

 leased by the pressure of the thumb; this insures perfect safety, 

 as the chain cannot slip from imperfect or careless adjustment, 

 which often occurs in other ecraseurs. It is also thoroughly asep- 

 tic, as it can be taken apart without the aid of a screwdriver in 

 a few seconds' time by a half turn of the collar near the handle. 

 Made with or without the improved head. Get the one with im- 

 proved head. 



(4) Surgeon's needle threaded for purpose of suturing up 

 scrotum after packing. 



(5) Sterile gauze to use in packing scrotum. 



(6) Carbolized olive oil for lubricating parts. 



(7) Antiseptic solution in plentiful amount. As a precaution 

 against some untoward accident or emergency it is well to fortify 

 yourself by having in reserve the following: (1) Vulsellum for- 



