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Layer Closure Pp 305-307 Objectives To describe wound layers To understand and describe the types of suture needles used To understand the which needles are used on which layers Abdominal Wounds Closed from inner to outer Layers include Peritoneum Fascia Muscle Subcutaneous Subcuticular Skin Peritoneum Fast-healing membrane May not be closed If it is closed, a 3-0 absorbable is commonly used Fascia Tough connective tissue covering the muscles Heals slowly and endures the brunt of wound stress Use heavy-gauge, interrupted, nonabsorbable sutures Muscle Typically not closed with suture Muscles are usually separated and retracted, not incised Subcutaneous Does not tolerate sutures well Surgeons may place a few interrupted sutures to prevent dead space Plain gut most often used Subcuticular Tough connective tissue just beneath the skin and just above the subcutaneous layer Closure of this layer minimizes scarring Absorbable preferred, will use nylon Small-gauge Skin Interrupted or continuous monofilament, nonabsorbable sutures on a cutting needle Staples Polypropylene or nylon Vicryl also sometimes used Needles General closure Large fascia: CTX, CT, CT-1 (mid-line incision) Small fascia: CT-2, CT-3 (lap chole, appy) GI SH Skin Large skin incisions, drains: FSLX, FSL Medium skin incision, drains: FS, FS-1, PS, PS-1 Small skin incisions: FS-2, FS-3, PS-2, PS-3, P-3 Questions???