Patent ID: 8236025

Claim:
An electrosurgical forceps, comprising: a shaft having a pair of jaw members at a distal end thereof, the jaw members being movable about a pivot from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members are closer to one another for grasping tissue; a movable handle that actuates a drive assembly to move the jaw members relative to one another; at least one of the jaw members including at least one mechanical interface and at least one jaw member being adapted to connect to a source of electrical energy such that the at least one jaw member is capable of conducting energy to tissue held therebetween; and a flexible insulating boot disposed on at least a portion of an exterior surface of at least one jaw member and about the pivot, the flexible insulating boot including an internal cavity defined therein which retains a free flowing material therein, the free flowing material being configured to disperse from the internal cavity when the internal cavity is ruptured, wherein the free flowing material is configured to include a first solid state and a second liquid state, the solid state transitioning to a liquid state upon application of at least one of heat and UV energy.