| 摘要 |
PROBLEM TO BE SOLVED: To provide an oral cavity opening aid which can improve the safety of both a person who performs an operation and a person who undergoes an operation.SOLUTION: An oral cavity opening aid includes an oral cavity opening aid body 2 including an insertion hole 21a into which a thumb F of a person who performs an operation is inserted, and formed of hard synthetic resin materials, and a protective member 3 covering the outer peripheral surface of the oral cavity opening aid body 2 and formed of soft synthetic resin materials. |
