| 摘要 |
<p>An inflation device comprising, an inflatable member having a fluid receiving cavity and an opening extending through the member to the cavity. The device has a fluid lock element secured to the inflatable member in the opening, with the lock element having flexible wall means defining a chamber, first opening means extending from the chamber toward the outside of the lock element and second opening means spaced from the first opening means and extending from the chamber toward the cavity. The first and second opening means are normally closed to prevent passage of fluid therethrough, with the first opening means being openable to permit passage of the tip of an inflation needle from the outside of the lock element to the chamber, and with the second opening means being openable and positioned to permit passage of the tip of the inflation needle or fluid from the chamber to the cavity.</p> |
