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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Caustic pencil ： ウィキペディア英語版 Caustic pencil A caustic pencil (or silver nitrate stick) is a device for applying topical medication containing silver nitrate and potassium nitrate, used to chemically cauterize skin, providing hemostasis or permanently destroying unwanted tissue such as a wart, skin tag, aphthous ulcers, or over-production of granulation tissue.〔avocaPage(【引用サイトリンク】title=Medical Uses for Avoca Silver Nitrate )〕 They are not used as a treatment for minor skin cuts, and should not to be confused with a styptic pencil. The silver and potassium nitrates in caustic pencils is in a dried, solid form at the tip of a wooden or plastic stick. When the material is applied to a wound or lesion, the tissue moisture or blood dissolves the dried nitrate salts, which then chemically burn the tissue. It requires moisture for activation. Silver nitrate sticks are often used for minor hemostasis where patients are not under general anesthesia, and where electrocautery would be painful and inconvenient. One common use of silver nitrate sticks is in Emergency Medicine, to control epistaxis (nosebleed). The stick is rolled on the affected mucous membrane or visible blood vessel in the nares (nostril) where the chemical cauterization stops the minor bleeding. If the bleeding is too copious, the chemical cautery may not be effective, as the flowing blood can wash away the chemical before it can react with the tissue. It can also be accidentally spread to undesirable locations where it can cause skin staining and tissue burns. This is especially important, as it is often used in the nose where accidental aerosolization can occur, splattering the clinician or other parts of the patient and causing unintentional burns. Accidental application to unintended tissue is treated with copious water irrigation.〔arzolPage(【引用サイトリンク】title=MSDS and Other Information )〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Caustic pencil」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.