A treatise on the operations of surgery : with a description and representation of the inrstruments [sic] used in performing them : to which is prefixed an introduction on the nature and treatment of wounds, abscesses, and ulcers . r. Careihould be taken, in making the groove, thatthe edges of it be fmoothed down, fo thatthey cannot wound in pafTmg through theurethra. The extremity fhould alfo be open,otherwife it will be fometimes difficult towithdraw the flafF when the gorget is intro-duced and prefTes againft the end of it. Thefe inflruments are ufually made with agreater bending than I hav
A treatise on the operations of surgery : with a description and representation of the inrstruments [sic] used in performing them : to which is prefixed an introduction on the nature and treatment of wounds, abscesses, and ulcers . r. Careihould be taken, in making the groove, thatthe edges of it be fmoothed down, fo thatthey cannot wound in pafTmg through theurethra. The extremity fhould alfo be open,otherwife it will be fometimes difficult towithdraw the flafF when the gorget is intro-duced and prefTes againft the end of it. Thefe inflruments are ufually made with agreater bending than I have here reprefented;but I think this fhape more like that of theurethra, and rather more advantageous formaking the incifion. D. The yoke, an inftrument to be wornby men with an incontinence of urine. Itis made of iron, but for ufe muft be co-vered with velvet. It moves upon a joint atone end, and is fattened at the other bycatches * at different diflances placed on afpring, as will be eafily underftood by theannexed print. It muft be accommodated tothe fize off the penis, and be taken off when-ever the patient finds in inclination tomake water. This inftrument is exceedinglyufeful, becaufe it always anfwers the purpofe, and. Operations o/Surgery. i05 and feldom galls the part after a few dayswearing. PLATE V. The Explanation. A* A fmall catheter made of filver. Thisinftrument is hollow, and ferves to draw offthe urine when under a fuppremon: It isalfo ufed in the high operation, to fill thebladder with water. Near its extremity aretwo orifices, through which the water paffesinto its cavity:-. care mould be taken that theedges of thefe orifices are quite fmooth. B. The knife ufed in cutting for the {tone %it is the fame I have already defcribed; butI thought it might not be improper to repeatthe figure with the alteration of a quantityof tow twifted round it, which makes it ea-lier to hold when we perform the lateral ope-ration, and turn the edge upwards to woundthe proftate gla
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