发明名称 |
DEVICE FOR EXTRACTING BLOOD |
摘要 |
A cannula for blood extraction with a controllable flow includes an injection cannula and a discharge cannula interconnected by a flexible tube wherein the tube is capable of being squeezed tight between the cannulae by a mechanism which applies pressure to the exterior of the flexible tube, the pressure applying mechanism and the tube serving as a valve between the cannulae. |
申请公布号 |
EP0002028(B1) |
申请公布日期 |
1981.04.01 |
申请号 |
EP19780101328 |
申请日期 |
1978.11.08 |
申请人 |
WALTER SARSTEDT KUNSTSTOFF-SPRITZGUSSWERK |
发明人 |
BETHKENHAGEN, JURGEN;KOLPE, DIETER |
分类号 |
A61B5/154;A61B5/15 |
主分类号 |
A61B5/154 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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