Patent ID: 7335195

Claim:
An installation for delivering heat to all or part of human or animal cell tissue by means of a liquid, said installation comprising: a heating unit for heating said liquid to a vapor state, an injection unit for injecting liquid into the heating unit, a means for diffusion of heated liquid inside the tissue, a means for conveying the heated liquid from the heating unit to the diffusion means, means for delivering the heated liquid inside the tissue in a vapor state at the diffusion means in a pulsed operation; and wherein the injection unit is in the form of a chamber which contains the liquid to be injected and in which a piston is moved in translation under the action of an electric or pneumatic actuator whose triggering, travel, force and speed of displacement are determined as a function of a desired rhythm, volume and pressure of injection of the liquid, the chamber communicating with the heating unit by way of a first valve.