Which type of suture needle is most commonly used in laceration and wound repair?

The reverse cutting needle is the most commonly used type for laceration and wound repair due to its design, which allows it to penetrate tissue effectively while minimizing the risk of tearing. This needle has a cutting edge on the reverse side, which helps provide a clean cut through tough tissues and is particularly useful for suturing skin due to the need for precision and neat closure of wound edges.

In wound repair, especially involving the skin, achieving a secure and aesthetically pleasing closure is essential. The reverse cutting needle helps facilitate this by creating a triangular cross-section that allows it to easily navigate through the skin layers without excessive trauma. This reduces tissue damage and promotes better healing.

The other types of needles mentioned have their specific uses: a cutting needle may tear the tissue more than desired, a round body needle is often utilized for softer tissues rather than skin, and a double-armed needle is generally reserved for specific surgical techniques where access to both ends of the suture is required. Thus, the selected needle type is a critical factor in effective wound management.