HEMOR RHAGE. 
evinced, that whenever a large artery has been wounded and 
healed by preflure, the wound a never clofed fo as to leave 
the canal of we artery perviou 
ery of whalpnitide has bese a {mall wound, 
the idling phe may be tric 
: tourniqnet is to be applied fo as to command the flow 
of blood into the veffel. The edges of the external wound 
a fe- 
ries of comprefies, gradually increafing in fize, is to be 
placed with its apex exa¢tly on the fituation of the wound in 
the artery. This graduated comprefs, as it is termed, is 
then to be bound on the part with a roller. 
- Some furgeons alfo apply a longitudinal comprefs over 
bs track of the veffel above the wound; they do fo with a 
w of vichleanin g the current of blood into the veffel. 
Whatever ood effet it may have in this way, is more than 
tedicans by the difficulty which it mutt create to the 
iret ninthe arm. Ii the graduated comprefs be pro- 
ays arranged, an effufion of blood cannot pofhibly happen ; 
and the ange of preflure ees the courfe of the artery 
muit, at beft, be deemed fuperfluo 
After relaxing the tourniquet, f ni no » bleed a from the 
artery, the furgeon fhould feel the pulfe at the wrift, in or- 
der to afcertain that the compreffion employed is not fo pow- 
as to prevent the circulation nego e b The arm is to 
be oe perfe&tly quiet in a fling; an 8 hours, if no 
po take place, there will be great séaf06 to expect that 
cafe will do well 
Such are the objecti 
ance upon compreffion. ie ot Lines of the Praétice of Sur- 
gery, chap. 1 
eas DoT $ieas inftrument for sip se “pe 
aitened roun 
rmance of amputations, yet this knowledge does not appear 
to have led him to the invention of any inftrument calculated 
to execute that object: “Morel is reputed to have been the 
inventor of a tourniquét, about the year 1674. His in- 
rament, however, was not the perf kind of one now in 
rsd it remained foi Petit to devife a tourniquet upon the 
in 
» as this fubjeG will more a belong to an- 
other place. (See Towa QUET.) at otic 3 is 
Se to = a few orale concering it ze 
+ eire ever be regarded a 
ons as one of the moft 8 important improvements in the 
4 in nd ten how man eaatgs 
: i the stan OE Fat Aiptek appear 
Sey ‘interefting to mankind in g po fore furgical it 
& 
and no fooner 1s hi completed — the 
nee aE 
practitioners were acquainted with the dt of the tourniquet, 
thoufands of their patients muft have bled to oe under their 
ands, in confequence of their not having any means by which. 
pots could at once put a temporary flop te the bleeding, until 
they had had time to take fuch meaiures as w 
permanent effect in its fuppreflion. In this ftate = of 
furgery mult have been truly defective. era- 
tion could be undertaken upon the limbs without ferioatly 
endangering the patient’s life from lofs of blocd; wAiile 
the want of that kind of fuccour, which the eat a af- 
fords, muft have made a great many wounds fatal, w ro 
otherwife would not have been attended with the leaft dan 
er. 
b the effufion of 
Ww. ny at e artery of the limbs is wounded. 
the inftrument s the whole reptint it geting the 
it is w 
fcrew,. wi 
fi on a thee fo 
oD he eae is ey put upon a limb in the follow- 
ing man linen comprefs is firft placed exa@ly 
over the "bpuirte of the artery, on which it is intended to make 
the preffure of the pad of the initrument operate. The fur- 
geon then takes the tourniquet, and, laying its pad ot 
over the little comprefs, which, as we have jutt ftated, th 
be placed accurately over the artery, he faftens the en 
round the limb with the buckle. hes, requifite degree of 
preflure is then to * made by turning the fcrew, fo as to 
tighten the band. In this manner it muft be obvious, circu- 
lar preffure is made upon the member ; but yet that preffure 
will be the greateft where the comprefs and pad are fituated, 
that is, upon the {pot beneath which the trunk of the artery 
ies. 
Alt though the tourniquet is always ranked among the 
rincipal means of {topping hemorrhage, and its claim to 
raife i is. very nigh - operation is only of temporary het 
tion, it being c to apply it mere betsy fome perma- 
nent plan of check checking the hemorrha the ut into prattice.. 
Thue, in i — a » in order ies 
the patient may no 
The. aba: uet is then quite 
often taken away entirely, it having executed its office. We 
do not with this.opportunity to ‘Pals without exprefling our 
difapprobation of the common pian of taking the tourniquet 
off the limb, after amputations of i thigh, and the operation. 
of popliteal aneuri{ms. e heard of fome inftances. 
in which patients have te royed or a reduced. 
by fudden hemorrhage, which could not be ttopped with 
proper expedition by reafon of the touniguet having. been- 
takenaway. This initrument,‘after fuch tions, fhou'd: 
always be left in a flack ftate upon te limb, ready to be 
tightened in a moment, by any nurte or attendant in cafe of 
neceflity. 
The tou bearnbgeet ‘alidies being only of briecs seg! pig 
_ — in its application, by g only adapted to the 
comprefling the 
Fei doe Sy a fo prt $ Upon. 
is plain.that fuch an inerroption mul ia thio manner be 
