. A system of surgery. IIL they cannot but with much difficulty bepuflied deep into the noftril already muchobftruded; and the more they are preffedforward vipon the excrefcence, and thenearer it is brought to the axis of theinftrument, the more widely the blades ofit are neceffarily opened at their extremi-ties ; by which the tumor cannot be foequally comprefled, nor is there- fuch achance of extirpating the root of it bymeans of theoi, as if they were fo con-flrudled as to apply preffure equally throtheir whole length. To remedy thefe inconveniences, feveralimprovements have been prqpofed ;
. A system of surgery. IIL they cannot but with much difficulty bepuflied deep into the noftril already muchobftruded; and the more they are preffedforward vipon the excrefcence, and thenearer it is brought to the axis of theinftrument, the more widely the blades ofit are neceffarily opened at their extremi-ties ; by which the tumor cannot be foequally comprefled, nor is there- fuch achance of extirpating the root of it bymeans of theoi, as if they were fo con-flrudled as to apply preffure equally throtheir whole length. To remedy thefe inconveniences, feveralimprovements have been prqpofed ; butthe bed I have met with is one b)4 the veiyingenious Dr Kichter of Gottingen. Areprefentation of it is given in PlateXLVIIL %.3. This inftrument may beufed in the ordinary way by introducingboth blades at once when the polypus isfmall; but when the tumor is large, it willbe found to anfwer better to introduce th^blades in the fame manner as we do mid-wifery forceps by inferting them feparately» One. ;. XiAIli. Nofe and Fauces. \i-j One of the blades being carried llowly andcautioully forward along the courfe of thepolypus, the other mud in like manner beintroduced at the oppofite fide of it, fo thatthey may now be firmly .^ocked together atthe joint. The blades are accordinglymade to feparate eafily, and to fix in fucha manner as to admit of their being em-ployed in the way we have diredled. Thefe and every other variety of forcepsemployed for this operation, ought to beas thin and flender in that part of them,which is inferted into the nofe as the na-ture of the difeafe will admit; for I muftagain obferve, that the ftraicnefs of the partin which we have to operate, is one of theprincipal difficulties we have to when the forceps are made of [well-tempered fteel, they need never be fo chickand bulky as they are commonly made. When, however, polypi have acquireda large fize, the obfiruclion they producein the noftril is in fome inftances tofach a d
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Keywords: ., bookauthorbellbenjamin17491806, bookpublishe, booksubjectsurgery
