| 摘要 |
A valve assembly comprising, a hollow body member having a cavity, a compression member received on one end of the body member and having an annular flange aligned with the cavity, a device for adjusting the position of the compression member relative to the body member, and a valve device for sealingly engaging against a catheter passing through the valve device, and responsive to compression by the compression member to immobilize the catheter in the valve device.
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