| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a capsule type medical device, opening and closing a plug of an opening part of a capsule in a desired part or operating a manipulator of a treatment tool from outside in simple constitution without electric wiring. <P>SOLUTION: In this capsule type medical device, an objective optical system 25 and an imaging sensor 33 and so on are disposed inside a transparent cover 23 of a capsule 3 to enable imaging, and a medicine 28 is stored in a storing room 29 at the back thereof and normally closed by a cylindrical part 43 of a mobile body 31 formed of a permanent magnet housed in a mobile body housing part 38. When the capsule 3 reaches a desired part, a rotary magnetic field is applied from an external rotary magnetic field generator to rotate and move the mobile body 31 along a screw hole 40, whereby the storing room 29 is put in the state of communicating with the outside of the capsule 3, thereby spraying the medicine 28 to an external part. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
