ARTIFICIAL BLOOD VESSEL AND ACCESS PORT OF ARTIFICIAL BLOOD VESSEL

摘要

An artificial blood (10) has a trunk portion (12) with both ends connected to blood vessels, and access branch portions (14) , (16) and a shunt branch portion (18) branched from the trunk portion. The access branch portions (14) , (16) are disposed with a solid column-shaped access port (20) that plugs these branch portions. The access port (20) has a solid center portion (22) and a tube-shaped peripheral portion (24) disposed to surround the center portion (22) . The peripheral portion (24) is harder than the center portion (22) and prevents the needle from deviating from the inside of the center portion (22) . This enables a puncture to be easily made in a therapy in which a puncture is highly frequently made in a blood vessel.