摘要 |
<p>A gastrostomy tube (30) combines a conventional dome (34) and tubular shaft (31) with one-way cross-slit duckbill valve (44). The one-way cross-slit valve is made of an elastomeric material and has a hollow cylindrical body with first and second ends and an axis and a passageway through the body, the passageway being entirely intercepted by a ridge and valley wall or web structure integrally joined to the cylindrical body.</p> |