Patent ID: 9586028
Date: 2017-03-07
CPC Classifications: A61M

Claim:
1. An introducer comprising: an introducer sheath including an elongated hollow sheath tube and a sheath hub which is provided at a proximal side of the sheath tube and provided with an insertion port configured to permit a dilator to be inserted into the insertion port; a three-way stopcock portion including a connection tube having one end configured to be connected to the sheath hub, and a three-way stopcock main body which is connected to another end of the connection tube; and a first information piece on at least one of the introducer sheath and the three-way stopcock portion which identifies an information of the inner diameter dimension of the sheath tube; a second information piece on at least one of the introducer sheath and the three-way stopcock portion which identifies an information of the outer diameter dimension of the sheath tube; the first information piece is a color indicating a first Fr size of the sheath tube; and the second information piece is a color indicating a second Fr size which is smaller than the first Fr size indicated by the first information piece; wherein the first information piece and the second information piece are different from one another, and provide a visual confirmation of a relationship between the inner diameter dimension and the outer diameter dimension of the sheath tube; and wherein the first Fr size indicated by the first information piece identifies the maximum diameter of a medical device that can be inserted into a lumen of the sheath tube, which is one Fr size larger than the second Fr size indicated by the second information piece.