A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/04 (2006.01) A61B 18/08 (2006.01) A61F 7/00 (2006.01)
Patent
CA 2691656
An elastic tube is connected to the base end portion of a catheter main body having a balloon at its top end portion. When the elastic tube is set at a vibrator device (RP), the end portion side of the elastic tube, projecting outside, works as a margin volume part. A roller of the vibrator device (RP) can have a shut-off state where the elastic tube is pressed and completely closed, and a communication state where the elastic tube cannot be pressed. When the roller is rotated in a predetermined direction with the inside of a route from the balloon up to the elastic tube filled up with a liquid for heating, the liquid in the elastic tube is pressed toward the margin volume part in the shut-off state, while in the communication state, the pressurized heating liquid in the margin volume part flows backward to the balloon side. Repeating the pressurizing and the backward flow vibrates the heating liquid in the balloon. When the balloon is larger, the length (V) of the margin volume part is made longer, so that an adequate level of vibration in accordance with the size of the balloon can be applied.
Hasebe Kazunari
Ridout & Maybee Llp
Toray Industries Inc.
LandOfFree
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