| 摘要 |
<p>Provided is a treatment instrument capable of introducing a guide wire into a pericardium cavity while preventing the tip of a needle from coming into contact with the heart. A treatment instrument is provided with: a channel section (30) from which a needle (31) is extended, the needle (31) being adapted to be inserted between an organism tissue (A) and a membranous tissue (B) which covers the organism tissue (A); a first holding section (11) and a second holding section (21) which are arranged side-by-side so as to extend in the direction of the axis of the channel section (30) and which holds the membranous tissue (B) in such a manner that the membranous tissue (B) is in close contact with the first holding section (11) and the second holding section (21); and a connection member (40) for moving a first holding member (10) and a second holding member (20) relative to each other so that the first holding section (11) and the second holding section (21) are disposed so as to sandwich the axis of the channel section (30).</p> |
