jy VERSION OF THE UTERUS. 



599 



I 



upon the sides of the vulva, and, by keeping it closed, prevent the extru- 

 sion of the uterus, without interfering with defecation or micturition. 



There are several kinds of truss in use, and these vary somewhat in 

 their details, though in principle they are the same. Some of them are 

 fixed around the shoulders and neck^ others round the chest only, and 

 others again round both regions-^most frequently to a collar, or sur- 

 cingle. We will allude to those which are recognized as most useful. 



Two of the most useful and readily-made trusses are composed of light 

 rope or thick cord — something like a clothes-line. One of these is 

 termed "" Delwart's Truss," and is formed by cords united by a loop 

 in their middle, in such a manner that an oval space {a. Fig. 200) suffi- 

 cient to admit the vulva, and compress it laterally, is formed — the 



Fig. 201. 

 Delwart's Tkuss Api'Lied. 



inferior commissure being left free, to allow the escape of urine, and 

 uterine discharges, should there be any. The two portions of one of the 

 cords {b b, Fig. 200) passing over the back, are secured to a collar or 

 band round the neck or chest ; while those of the other cord {c c) pass 

 between the thighs, and are tied to the lower part of the collar or sur- 

 cingle, in the manner depicted in Fig. 201. The loop may be wrapped in 

 tow or cloth, to prevent chafing to the parts under the tail. 



Another rope truss, described by Renault in the Maison Rustique du 

 XIX Siede (vol. ii., p. 286), is perhaps more simple, and yet quite as, if 

 not more, effective as the preceding. This is composed of a leather 

 strap which buckles round the neck, and a rope from twenty-four to 

 thirty feet long, and the thickness of the little finger, or a trifle less, 

 according to the size of the animal. The neck-strap is not indispensable, 

 though it is useful in giving more firmness to the truss ; it may be 

 replaced by a thicker rope, or, in the case of the Mare, by an ordinary 

 draught collar. 



