| 摘要 |
In order to realize a capsule-type medical device suitable for improving efficiency of wireless transmission/reception using an antenna to increase radiowave power, a capsule-type medical device 3 is configured so as to comprise an image-capturing illumination unit 21 in which an illumination optical system and an image-capturing unit are provided as a function executing unit for executing a predetermined function within a subject to be examined, an RF unit 23 serving as a wireless unit for communicating a signal generated by this image-capturing illumination unit 21 being driven, or a signal for controlling driving of the image-capturing illumination unit 21 with the outside of the subject to be examined wirelessly, and an antenna 26, which is provided in this RF unit 23, including a pair of antenna elements 26a and 26b formed in a tubular shape for covering the outer circumference of the image-capturing illumination unit 21.
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