THE STOMACH AND INTESTINES 



191 



being pulled through a hole in a mackintosh or jaconet 

 cloth (which has been carefully boiled), soaked in warm 

 antiseptic, and packed around with antiseptic lint or \\adding. 

 The contents of the bowel are forced back h\ pressure with 

 the fingers and thumb for about 2 inches above and below 

 the diseased part and clamped. Special instruments are 

 designed for the purpose ; the\' can be improvised by fixing 

 pieces of rubber tubing around the gut, or (Maunsell's 

 suggestion) by safctv-pins padded with sponge or ^^■adding. 



The mesenter\- is incised in the shape of an inverted V, 

 and the branches of the mesenteric arter\- actuall}- supplying 



-^ 



A B 



Fig. 131. — A, Murphy's Button; B, Mayo Robson's Bobbin. 



the region to be excised are taken up with pressure forceps and 

 ligatured, it being recollected that the collateral branches of 

 these are few in number, and that therefore as few as possible 

 of the main branches must be interfered with. The bowel 

 is cut through with scissors held at right angles to its lumen, 

 and the latter is swabbed out as far as the clamps with 

 wadding soaked in some fluid antiseptic. The two serous 

 surfaces are brought into contact by interrupted sutures of 

 Lembert's pattern (see p. 55), inserted about a tenth of an 

 inch from the edge and an eighth or a tenth of an inch 

 apart, particular care being taken not to penetrate the 



