Simulación Suturas 1

Basic Surgical Suturing Techniques

Essential Surgical Equipment

• The basic equipment needed for minor surgical sutures includes essential tools.

• A needle holder (porta agujas) is crucial for precise needle manipulation; it should be held with the thumb and ring fingers, using opposition to unlock the instrument.

• Mayo scissors are used for cutting threads; they should be held similarly to the needle holder, with stability provided by placing the index finger on the intersection of the blades.

Suture Material and Needle Handling

• For this procedure, a SEDA-10 suture with a cutting needle is recommended; ensure proper handling to avoid accidental punctures. The needle should be grasped at its midpoint with the holder perpendicular to its branches.

• Caution is advised when adjusting the needle's position, keeping its tip visible at all times to prevent injury.

Simple Stitch Technique

• The simple stitch technique is employed for closing skin in minor surgery, aiming for equal depth and width of each stitch. Start by inserting the needle perpendicularly into the skin at 0.4 to 0.5 cm from the wound edge and exit at an equal distance on the proximal side for symmetry.

• The first knot involves wrapping thread around twice before proceeding with alternating single knots until four or five are completed; always shift knots away from incision lines and trim excess thread to one centimeter in length.

Advanced Suturing Techniques

Macmillan Stitch (Vertical Mattress Stitch)

• This technique is ideal for areas of lax skin like on hands or elbows, preventing invagination while promoting eversion of wound edges; known as "far, far, near, near." Begin by inserting the needle 0.5 - 1 cm from one edge of the wound and exiting through the opposite side at a similar distance.

Returning Through Wound Edges

• Without cutting thread, invert the needle back towards where it entered but closer (0.3 - 0.5 cm) to that edge; cross over and exit again at an equal distance from that initial entry point ensuring superficial penetration only through epidermis and upper dermis layers while maintaining slight eversion of edges without excessive tension which could cause ischemia or necrosis of tissue.

Corner Stitch Technique

• This variant applies specifically to wounds shaped like asterisks or those requiring corner closure without compromising blood circulation; start by entering through one fixed edge at a right angle into subcutaneous tissue before horizontally inserting into dermis at wound corners without breaking surface skin integrity during exit points along other fixed edges leading back outwards toward skin surface again ensuring proper blood flow remains intact throughout process .