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    • 4. 发明申请
    • COMBINED FIXED VOLUME RETENTION CUFF AND RELIEF VALVE
    • 组合固定容积保持阀和减压阀
    • WO2007075182A1
    • 2007-07-05
    • PCT/US2006/008357
    • 2006-03-08
    • HOLLISTER INCORPORATEDSCHNEIDER, James, G.MARTINO, NickBODICKY, Raymond, O.
    • SCHNEIDER, James, G.MARTINO, NickBODICKY, Raymond, O.
    • A61M25/10A61M16/04
    • A61M25/10186A61M16/0434A61M16/044
    • The invention is a system (10, 110) for regulating volume in a retention cuff/balloon (20) in an indwelling catheter; i.e. , the combination of fixed-volume inflatable retention cuff mountable on a patient proximal end of an indwelling catheter (14) and relief valve (23, 123) connected to the cuff. The relief valve has ends for selective introduction of fluid to the cuff and for connection to an inflation tube. A valve port (24, 124) permits escape of excess fluid when a maximum cuff volume has been exceeded, and inflation tube (22) connects cuff (20) to the relief valve. The inflation tube has ends in fluid-tight connection to an interior of the cuff, and the relief valve to thereby permit the cuff and valve to be in fluid communication with each other for selective filling of the cuff to insert and safely retain an indwelling catheter in a patient for an extended period.
    • 本发明是一种用于调节留置导管中的保持箍/球囊(20)中的体积的系统(10,110) 即可固定容积的可充气保持袖带的组合可安装在留置导管(14)的患者近端和连接到袖带的安全阀(23,123)之间。 安全阀具有用于选择性地将流体引入袖带并用于连接到充气管的端部。 当超过最大的袖带体积时,阀口(24,124)允许多余的流体逸出,并且充气管(22)将袖带(20)连接到安全阀。 充气管具有与袖带内部流体密封连接的端部和安全阀,从而允许袖带和阀彼此流体连通以选择性填充袖带以插入并安全地保持留置导管 在病人中长时间。