| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lip opening and closing exercise machine that is inserted into human oral cavity, and flexibly operates a muscle exercise in the periphery of a lip. <P>SOLUTION: The exercise machine includes: integrally forming an exposure movable part 3 that is movable by a string or spring exposed on the surface through the intervention of an upper/lower insertion standing part 2 engageably inserted into the oral cavity and a lip fitting groove 7, which has a substantially U-shape cross section, connected with the insertion standing part; and protrudingly arranging an expansion part 5 that is flexible and has elasticity in the tip on an inside edge of a lip abutment part 4 on an inner surface of the lip in the oral cavity. <P>COPYRIGHT: (C)2013,JPO&INPIT |
