| 摘要 |
PROBLEM TO BE SOLVED: To provide a rectal catheter simplified in the manufacturing process, shortened in the manufacturing period of time and, excellent in mass- productivity. SOLUTION: In a catheter main body 2, on the outer peripheral surface of the leading end of which, a balloon 18 is provided, a contrast medium, injection passage, an air injection passage, an eccritic passage 6, and an air feeding passage 7 for balloon are provided while separation them. Then, at the rear part of a leading end cap 16 which is attached to the leading end of the catheter main body 2, a protuberance 16a which is fitted in the air feeding passage 7 for balloon, is provided, and the protuberance 16a of the leading end cap 16 is fitted in the air feeding passage 7 for balloon, and the leading end cap 16 is attached to the catheter main body 2. |
