皮膚和皮下組織的縫合(編輯修改稿)
2025-02-25 05:03 本頁面
【文章內(nèi)容簡介】 mbic Flap 68 縫 線 選 擇 69 Suture Classification Natural or Synthetic (man made) Monofilament or Multifilament (braided) Absorbable or NonAbsorbable 70 The Ideal Suture Minimal tissue reaction Smoothness minimum tissue drag Low Capillarity Max tensile strength Ease of handling Minimum memory Knot security Consistency of performance Predictable performance Cost effectiveness 71 Multifilament (braided) Suture Classification Monofilament 72 Braided v Monofilament Has capillary action Increased infection risk Less smooth passage Less tensile strength Better handling Better knot security No capillary action Less infection risk Smooth tissue passage Higher tensile strength Has memory More throws required 73 These are absorbed within the living tissue Two main characteristics are: Tensile strength retention Absorption rate Absorbable Sutures Maxon: Day 14: 75% Absorption: 180 days Caprosyn: Day 10: 30% Absorption: 56 days 74 Characteristics of NonAbsorbable Sutures Permanent Only used when long term support is required Removed when used for skin (. in A+E) Tissue reaction generally low (except silk) However silk, linen and even nylon will lose tensile strength over a period of time True nonabsorbable sutures include polyester, polyethylene, polybutester, polypropylene and steel 75 可吸收縫線 縫線名稱 手術(shù)操作手感 剩余張力 打結(jié)牢靠程度 組織反應(yīng) 吸收時(shí)間V i c r y l 薇喬縫線（聚糖乳酸 910 ）多股編織好 5 周時(shí)張力消失 好 很小 5 6 7 0 天P D S 普迪思縫線（聚二氧六環(huán)酮）多股編織尚好4 周時(shí)剩余5 0 % 7 0 % 張力好 很小 1 8 0 2 1 0 天Mo n o c r y l 單喬縫線（聚糖己內(nèi)先胺）單股好 4 周時(shí)張力消失 好 很小 9 1 1 1 9 天
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