A New Era in Surgical Wound Closure
Stitches have long been the backbone of wound closure in surgery, but they are not without limitations. They can be time-consuming to place, may injure delicate tissues, and often require high precision from surgeons. Researchers at MIT are now pioneering an alternative that could transform the way wounds are closed: a light-activated surgical adhesive.
How the Light-Activated Glue Works
This innovation, developed by Tissium, an MIT spin-off, is a flexible and biocompatible biopolymer that bonds strongly to tissue when exposed to blue light. The glue sets in about 30 seconds, forming a secure seal even on wet tissue surfaces. Over time, it naturally dissolves, removing the need for follow-up removal procedures. Tissium’s first product, Coaptium Connect, is designed specifically for peripheral nerve repair and recently received FDA De Novo marketing authorization. Early trials have shown remarkable results, with patients regaining full movement in fingers and toes at rates far exceeding those seen with traditional suturing methods.
The Promise for Faster and Safer Healing
The potential benefits of these adhesives are vast. By eliminating the need for needle punctures, they reduce tissue trauma and lower the risk of complications. Their speed makes them valuable for emergency situations and delicate surgical environments. Because the materials conform to tissues and degrade naturally, healing can occur without leaving behind foreign matter, leading to faster recovery and better functional outcomes. If these technologies continue to progress, surgeons may one day reach for a light wand instead of a needle and thread.








