File:Canine and feline surgery (1900) (14776168152).jpg

Identifier: cu31924003329012 (find matches)
Title: Canine and feline surgery ..
Year: 1900 (1900s)
Authors: Hobday, Frederick Thomas George, Sir, 1870-1939
Subjects: Cats Dogs Veterinary surgery Cats Dogs
Publisher: N.Y., Wm. R. Jenkins
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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Fig. 11.Ether spray apparatus. shaving and be then rendered aseptic and as dry as possible,the ether being forced out of the bottle by the rubber bellows,and falling directly in the form of a very fine spray on therequired spot. Ethyl-chloride, which is also applied in the form of a spray, issold in a very portable and neat form in small glass or metal vessels. It is applied directly to the spot at which anaesthesia is to beproduced by merely removing the metal cap from the end andholding the bottle in the warm hand. These two agents are also best .suited for minor operations,such as the lancing of abscesses, the anaesthetising of the skin, or 24 CANINE AND FELINE SURGERY. the removal of small superficial tumours, and are not readilyapplied to thick muscular tissues where a considerable amount of
Text Appearing After Image:
Fig. 12.Glass tube containing ethyl chloride ready for application. dissection has to be done ; the reasons being that if a thin layeronly be frozen the warm blood (when the incision is made) pre-vents the further application of the anaesthetic, whilst if the wholemass be frozen first it is difficult to cut, and there is the dangerof necrosis as a sequel. As a general rule anaesthesia is produced when the skin hasturned white ; this occurs in from half a minute to a minute anda half, and the effect lasts for about two minutes.^ Care mustbe taken not to keep the parts frozen for too long a time, ornecrosis may follow. The above-mentioned agents have the advantage over otherdrugs of not being in any way absorbed so as to produce toxiceffects unless inhaled through the respiratory passages, and evenin that case plenty of warning would be given by the patient. For operations on the cornea of the eye they are not suitableon account of the amount of irritation set up. We now come to cocaine

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