Embodiments of an apparatus and method for sealing of tissue during uncontrollable bleeding situations during surgery are described. In one aspect, an apparatus comprises a laser unit, a laser beam delivery unit, and at least one sensor coupled to the probe of the laser beam delivery unit. The at least one sensor is configured to sense a parameter associated with the tissue or the probe. The laser unit is configured to emit a laser beam suitable for sealing an opening on a tissue. The laser beam delivery unit is detachably coupled to the laser unit, and is configured to guide and direct the laser beam to seal the opening on the tissue.
