| 摘要 |
A catheter, the catheter comprising a first tubular member having a first lumen and a first perforation, and a second tubular member having a second lumen and a second perforation, wherein the second lumen is adapted to receive the first tubular member so that a channel is formed between the first tubular member and the second tubular member and so that a part of an outer surface of the first tubular member contacts a part of an inner surface of the second tubular member, wherein the first tubular member and the second tubular member are arranged to form a first fluidic path from the first lumen through the first perforation, to a body under investigation, and wherein the first tubular member and the second tubular member are arranged to form a second fluidic path from the body under investigation, through the second perforation, and to the channel. |
