| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply for the light source of an endoscope which can continue the lighting of the light source for illumination for a long time without interrupting endoscopic observation using a fuel battery as a battery and ensures the safety of the endoscope. <P>SOLUTION: A fuel storage part 20, which stores fuel becoming a raw material for generating a hydrogen gas, an electric power generating part 30, which generates electric power by the fuel flowing in from the fuel storage part 20, and a water storage part 40 for storing water generated by electrochemical reaction in the electric power generating part 30 and a drain port 41 for discharging the water stored in the water storage part 40 to the outside are provided to the battery 10. A stored water amount visual observation part 42 for visually observing the amount of the water stored in the water storage part 40 from the outside is provided to the water storage part 40. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
