| 摘要 |
A rotary disc type recorder for the beginning and end time of the use of an indwelling medical instrument, comprising a recorder body carrying record marks. The record marks comprise a date mark and a time period mark. The time period mark is composed of a rotary disc type record sign. The rotary disc type record sign comprises a marking rotary disc, a disc cover and a clipping mechanism. The marking rotary disc and the disc cover are stacked up in a rotatable manner. The recorder has clear marks and is not easy to be broken or lost. |
