Patent ID: 8376936

Claim:
A videoscope preheater for removably receiving an endoscope and preheating the endoscope, the videoscope preheater comprising: a support tube for covering the endoscope and with a predetermined length, wherein the endoscope can be removably fitted into the support tube; an electrical heating layer coated on an outer surface of the support tube; a power cable attached to a rear end of the electrical heating layer, the power cable for connecting with an external power supply; and a capsule layer coated on an outer surface of the electrical heating layer, wherein the endoscope can be heated by the electrical heating layer, the capsule layer being a thermally contractible capsule film, the thermally contractible capsule film being fitted around the electrical heating layer and then heated to contract so that the thermally contractible capsule film tightly attaches to the outer surfaces of the electrical heating layer and the support tube to insulate the electrical heating layer and the support tube from ambient environment.