| 摘要 |
<p>The invention relates to a gas insufflation device, comprising a trocar having a tubular trocar sleeve being attached to a trocar body, as well as a trocar pin which may be inserted into the trocar sleeve through the trocar body, characterized in that the inner cross-section of the trocar sleeve is shaped geometrically different with respect to the outer cross-section of the trocar pin in order to form at least one flow channel.</p> |
