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专利名称：Cannula retention device发明人：David L. Foshee申请号：US07/930768申请日：19920814公开号：US05257975A公开日：19931102
摘要：The invention relates to a cannula with a fixation mechanism actuable to securethe cannula above and below the body wall in a single operation. The preferred
embodiment involves spiral slit tubing in the form of a sleeve secured to the distal end ofthe cannula while mounted loosely over the cannula at the proximal end. A motion, suchas twist and/or translation, is applied to the sleeve to make the spiral slit tubing expandto fixate the cannula.
申请人：EDWARD WECK INCORPORATED
代理机构：Rosenblatt & Associates
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