| 摘要 |
<p>An artificial blood vessel (10) has a stem section (12) which forms a part of the blood vessel and also has branch sections (14, 16) which are branched from the stem section. The branch sections (14, 16) are provided with access ports (20) into which a needle for discharging liquid out of a human body or introducing the liquid into the human body is inserted. Tubular reinforcement members (30) integrated with the blood vessel wall of the stem section are disposed at positions of the stem section (12), the positions being those from which the branch sections (14, 16) are branched, and at portions adjacent to the positions of the stem section. A lateral force at the time of needle insertion is borne by the reinforcement member (30), and this prevents the stem section (12) from deforming. Thus, the configuration prevents the artificial blood vessel from deforming due to a force applied when a needle for discharging liquid from a human body or introducing the liquid into the human body is inserted into an access port of the artificial blood vessel.</p> |
