Identifier: systemofsurgery04bell (find matches)
Title: A system of surgery
Year: 1787 (1780s)
Authors: Bell, Benjamin, 1749-1806
Subjects: Surgery Surgery
Publisher: Edinburgh : Printed for Charles Elliot ... (et al.)
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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various forms of tubes which havebeenufed for this purpofe; and of thefe^figures 3. and lo^ will in moft cafes, I be-lieve, be found to anfwer: for when theyare preffed fufEciendy into the openingthrough the os unguis, the bulge or promi-nence with v^hich they are furniflied above^will for the moft part prevent them fromrifing, while their conical fhape will pre-vent them from paffing into the nofe. Imuft, however, acknowledge, that theyfometimes fail; and that an invention ofMr Pelliers appears to be much fuperiorto them. I know one inftance in whichit has hitherto anfwered completely,and eight months have elapfed fince theoperation *. From the form of the tube,there is much reafon to imagine ittvill anfwer; and Mr Pellier afferts, that when * It is no^, when this fecond edition is going to theprefs, eighteen months fince this operation was perform-ed : The tube ftill continues fixed in its fituation ; it isnot produdive of any kind of uneafmersi and the cur^is complete. PLATE.XTjTI
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•s Stalf.^ Sed.XiX. Difca/csoftheEjes, 57 when it is properly introduced it never faiis«Two reprefentations of it are given in PlateXLIL figures 5 and 6. It may be madeeither of gold or lead. Mr Pellier com-monly employs lead: but when made ofgold^ the tube will not be fo bulky if ofthe fame ftrength; and as this metal re-*ceives a finer poliili, by v/hich the open-ing through it will not fo readily fill upwith the tears, it ought^ I think, to be pre-ferred. The peculiarity of form of Mr Pellierstubes confifts in their having two project-ing edges; one at the top, forming a kindof brim, correfponding as nearly as pof-fible to the fize of the lachrymal fac; andthe other near to the middle between thisand the other end of the inftrument; bywhich means, when it is properly fixed inthe paffage where it is to remain, it is keptfirm in its fituation by the granulationstvhich fhoot out from the contiguous pares;and which, by grafping as it were thatpart of the tube which lies between the

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