发明名称 Catheter with check valve and rolled sheath
摘要 A catheter for use in removing body fluids includes a hollow, tubular catheter with a one-way check valve disposed therein to substantially limit fluid flow therethrough to a single direction. The catheter further includes a tubular sheath disposed in a rolled-up fashion therearound to aid in sterile disposal thereof.
申请公布号 US5181913(A) 申请公布日期 1993.01.26
申请号 US19900556841 申请日期 1990.07.23
申请人 PRN SERVICES, INC. 发明人 ERLICH, FREDERICK
分类号 A61M25/00;A61M25/01 主分类号 A61M25/00
代理机构 代理人
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