| 摘要 |
This invention provides medical devices commonly accessed by syringes, said devices being characterized by comprising a cleanable, leakless built-in friction-fitting inlet-outlet port, said port being in the shape of the frustum of a cone, said frustum having a base and a top, said base being broader than said top, said frustum comprising a generally annular centrally disposed passageway extending therethrough and connecting with and in operative communication with a generally tubular neck at said base.
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