| 摘要 |
PROBLEM TO BE SOLVED: To determine propriety during a procedure using a catheter by monitoring a state of an object during the procedure.SOLUTION: At least a part of a shaft 2 is inserted into a blood vessel of a living body. An inflatable balloon 6 is provided around an outer periphery of the shaft 2. The balloon 6 includes an electrode 7 on the surface thereof. The electrode 7 is electrically connected with a signal take-out part. The balloon 6 includes a first hole 11 formed at an upstream side and a second hole 12 formed at a downstream side. Blood flowing in the blood vessel enters from the first hole 11 and flows out from the second hole 12. |
