| 摘要 |
To provide a blood vessel knife with which a doctor is easily see a knife main body while holding it with his or her hand, and it becomes easier to prevent the cutter from penetrating the lower blood vessel wall 15b during heartbeats. In a blood vessel knife having a cutter holder at a tip of a rod-shaped grip, and a knife main body attached to a tip of the cutter holder, at least one of a first bent portion 2a formed at an end of the grip 2 and a second bent portion 3a formed to the cutter holder 3 that is detachably mounted to a tip portion 2b of the grip 2 is provided; the cutter holder 3 can be engaged from inside and outside of the tip portion 2b of the grip 2; and an angle between the grip 2 and the knife main body is changeable whether the cutter holder is engaged from the inside or the outside of the tip portion. When gripping the grip 2 of the blood vessel knife 1, doctors can easily see the knife main body 4 due to the second bent portion 3a, and the knife main body 4 diagonally penetrates the blood vessel 15, which makes it difficult for the knife main body 4 to penetrate the lower blood vessel wall 15b.
|
