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Running, or Continuous Stitch 

The "Running" stitch is made with one continuous length of suture material. Used

to close tissue layers which require close approximation, such as the peritoneum.

May also be used in skin or blood vessels. The advantages of the running stitch

are speed of execution, and accommodation of edema during the wound

healing process. However, there is a greater potential for malapproximation of

wound edges with the running stitch than with the interrupted stitch.

Interrupted Stitch

Each stitch is tied separately. May be used in skin or underlying tissue layers. More

exact approximation of wound edges can be achieved with this technique than

with the running stitch 

Purse String

A continuous stitch paralleling the edges of a circular wound. The wound edges

are inverted when tied. Commonly used to close circular wounds, such as hernia

or an appendiceal stump.

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Smead-Jones/Far-and-NearA double loop technique alternating far and near stitches, and possessing

greater mechanical strength than continuous or simple interrupted sutures.

Commonly used for approximating fascial edges, especially for patients at risk for 

fascial disruption or infection. 

Continuous Locking, or Blanket Stitch

A self-locking running stitch used primarily for approximating skin edges. 

Mattress Suture

A double stitch that is made parallel (horizontal mattress) or perpendicular 

(vertical mattress) to the wound edge. Chief advantage of this technique isstrength of closure; each stitch penetrates each side of the wound twice, and is

inserted deep into the tissue. 

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