| 摘要 |
A device is disclosed which allows a user to inhale back their exhaled breath by using a mouthpiece 1 which is connected to at least one balloon 2 or a bag-a-bubble (7, Fig 4). The mouthpiece may be connected directly to a single balloon, or may be connected to a short tube (3, Fig 2) which is connected to two balloons (4, Fig 2), or may be connected to a short tube (10, Fig 3) which has a switch to change from exhaling air through a snorkelling tube (5, Fig 3) to capturing the air in a balloon, or may be connected to a short tube (10, Fig 4) which has a switch to change from exhaling air through a snorkelling tube (5, Fig 4) to directing it into a pipe (6, Fig 4) which is connected to a bag-a-bubble (7, Fig 4). |
