Monro, Alexander: Observations On Crural Hernia: To Which Is Prefixed, A General Account Of The Other Varieties Of Hernia: Illustrated By Engravings (Edinburgh [u.a.], 1803)

tg

grooved sound, with a blunt end, and a chan-
nel of sufficient depth.
" This is to be directed obliquely inwards,
till it enter the crural ring; which will be
known by the increased rehstance, as also
when its point rests upon the branch of
the os pubis. Then suspend the introduc-
tion, and keeping the sound (with your left
hand, if you are operating on the right side)
firmly resting upon the branch of the os
pubis, so that its back mall be turned to-
wards the intestine, and its canal to the sym-
physis pubis.
" Introduce gently with your other hand,
into the groove of the sound, a bistoury with a
narrow blade and blunt end, till it enters the
ring ; its entry will be known, as before,
by a little increase of rehstance. Cautioussy
press the biscoury to the end of the canal, and,
employing your two hands at once, carry
both instruments close along the branch to
the body of the pubis, drawing them out at
the same time,
" By