| 摘要 |
PROBLEM TO BE SOLVED: To provide an expansion supporting tool for a cuff (balloon) which prevents excessive expansion from occurring when blocking an internal route with the cuff (balloon), simplifies workability and can be used for various medical tools each with cuff (balloon). SOLUTION: The tool is provided with a check valve connectable to an injection cylinder, a cuff expansion means having ability for storing a gas or liquid through the check valve and making it flow out, a control means for controlling the gas or liquid flowing out of the cuff expansion means into a prescribed flow rate and an opening valve to be ordinarily closed but to be opened by a prescribed operation for making the gas or liquid stored in the cuff expansion means flow out, and further, the tool has a connection part for feeding the gas or liquid which is made to flow out by the opening valve to the medical tool with cuff. |
