| 摘要 |
A blood heat conserving tube assembly includes a mediate inner tube for transporting blood, an outer tube surrounding the mediate inner tube and connected by several ribs. Channels are formed between the inner and the outer tubes. A hollow connector set and a space is within. Several hollow spaces are connected with extension pieces. Each extension piece is inserted between the inner and out tube channel; thus, the space and its channel are connected. Through these open space and channels flow the fluid with a proper temperature heats up the supplying blood temperature.
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