| 摘要 |
<p>PURPOSE: To make a cannula usable for various types of catheters without leakage by mounting a cap at its upper face of stanching housing and arranging a one-piece type sealer at its central path. CONSTITUTION: A cannula 1 comprises a cap 2, a stanching valve housing 3, a one-piece type sealer 6, and a tubular sheath 7. The cap 2 is mounted at the upper face of the valve housing 3, and has an opening 12 capable of inserting an expander or a catheter into the valve housing 3. The one-piece type sealer 6 has a neck type sealing portion 14 and a lip type sealing portion 16, 17, and is mounted in the central path of the valve housing 3.</p> |
