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1.发明授权
公开(公告)号：EP0799075B1
公开(公告)日：2000-08-23
申请号：EP95943794.8
申请日：1995-12-18
申请人： INTERMEDICS INC.
IPC分类号： A61N1/05
CPC分类号： A61N1/0573
摘要： An implantable endocardial lead (10) with a retractable helix (48). A specialized stylet (50) can be inserted into the lead (10) at the proximal end and passed through the lead to the distal end. Located at the distal end of the lead is a piston (44) supporting the helix (48). The piston is attached to a coiled trifilar conductor (22) and has an electrode (14) adjacent the helix. Immediately adjacent the piston proximally an additional first short coil of wire is interlocked between the wires of the trifilar conductor (22), providing a female thread within the conductor. The stylet has a second single strand short coil segment spot welded to the stylet adjacent a distal end therof. The stylet (50) is rotated to screw the second short coil segment on the stylet into the first short coil adjacent the piston.
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2.发明公开
公开(公告)号：EP0799075A1
公开(公告)日：1997-10-08
申请号：EP95943794.0
申请日：1995-12-18
申请人： INTERMEDICS INC.
IPC分类号： A61N1
CPC分类号： A61N1/0573
摘要： An implantable endocardial lead (10) with a retractable helix (48). A specialized stylet (50) can be inserted into the lead (10) at the proximal end and passed through the lead to the distal end. Located at the distal end of the lead is a piston (44) supporting the helix (48). The piston is attached to a coiled trifilar conductor (22) and has an electrode (14) adjacent the helix. Immediately adjacent the piston proximally an additional first short coil of wire is interlocked between the wires of the trifilar conductor (22), providing a female thread within the conductor. The stylet has a second single strand short coil segment spot welded to the stylet adjacent a distal end therof. The stylet (50) is rotated to screw the second short coil segment on the stylet into the first short coil adjacent the piston.
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