PAROTITIS 49 



passed and the offending body cautiously pushed 

 on to the stomach. In the case of fish bones or 

 needles the operator may be able to entangle them 

 in the horse-hair portion of the probang and ex- 

 tract them. 



Great caution must be exercised not to use undue 

 force or the esophagus may be ruptured, with seri- 

 ous, if not fatal, results. Fuller directions for pass- 

 ing the probang and for esophagotomy are given 

 in Part II, Section II (see page 192). 



