公开(公告)号：EP4188403A1

公开(公告)日：2023-06-07

申请号：EP21850516.2

申请日：2021-07-30

申请人： Gelbfish, Gary A.

发明人： Gelbfish, Gary A.

IPC分类号： A61K35/747 ,  A61K47/26 ,  A61K47/36

公开(公告)号：EP0843572A4

公开(公告)日：2000-01-12

申请号：EP95944623

申请日：1995-12-15

申请人： GELBFISH GARY A

发明人： GELBFISH GARY A

IPC分类号： A61B17/00 ,  A61B17/22 ,  A61B17/34 ,  A61M1/00 ,  A61B19/00

CPC分类号： A61B17/320783 ,  A61B17/00234 ,  A61B17/22 ,  A61B17/3417 ,  A61B2017/00247 ,  A61B2017/00473 ,  A61B2018/00392 ,  A61B2217/005 ,  A61B2217/007

摘要： This invention is a pull push device (10) for removing a clot. The device (10) includes an elongate tubular member (12) having a suction port (14) and an irrigation or fluid pressurization port (18) respectively connectable to a vacuum source (22) and a pressurized fluid reservoir. The tubular member also has a clot intake port (16) positionable through a patient's skin inside a clogged vascular vessel. The vacuum source (22) enables clot suction into the clot intake port (16) for severing while liquid pressure supplies fluid for clot ejection and device clearance. A single piece rotating or reciprocating cutter (28) and intake closure component (24) is mounted inside the tubular member for closing the clot intake port upon each small vacuum assisted severing of clot mass by the cutting element. By simultaneously severing the clot, and closing the intake port (16) by the closure component (24) the device automatically converts from a suction to a pressure mode, thus ejecting any clot through the suction port (14).

公开(公告)号：EP0843572B9

公开(公告)日：2005-02-02

申请号：EP95944623.8

申请日：1995-12-15

申请人： Gelbfish, Gary A.

发明人： Gelbfish, Gary A.

IPC分类号： A61B19/00 ,  A61B17/22

CPC分类号： A61B17/320783 ,  A61B17/00234 ,  A61B17/22 ,  A61B17/3417 ,  A61B2017/00247 ,  A61B2017/00473 ,  A61B2018/00392 ,  A61B2217/005 ,  A61B2217/007

摘要： This invention is a pull push device (10) for removing a clot. The device (10) includes an elongate tubular member (12) having a suction port (14) and an irrigation or fluid pressurization port (18) respectively connectable to a vacuum source (22) and a pressurized fluid reservoir. The tubular member also has a clot intake port (16) positionable through a patient's skin inside a clogged vascular vessel. The vacuum source (22) enables clot suction into the clot intake port (16) for severing while liquid pressure supplies fluid for clot ejection and device clearance. A single piece rotating or reciprocating cutter (28) and intake closure component (24) is mounted inside the tubular member for closing the clot intake port upon each small vacuum assisted severing of clot mass by the cutting element. By simultaneously severing the clot, and closing the intake port (16) by the closure component (24) the device automatically converts from a suction to a pressure mode, thus ejecting any clot through the suction port (14).

公开(公告)号：EP0809970B1

公开(公告)日：2004-09-29

申请号：EP97108588.1

申请日：1997-05-28

申请人： Gelbfish, Gary A.

发明人： Gelbfish, Gary A.

IPC分类号： A61B17/22

CPC分类号： A61B17/32075 ,  A61B17/22032 ,  A61B2217/005

公开(公告)号：EP0843572B1

公开(公告)日：2004-10-20

申请号：EP95944623.8

申请日：1995-12-15

申请人： Gelbfish, Gary A.

发明人： Gelbfish, Gary A.

IPC分类号： A61B19/00 ,  A61B17/22

CPC分类号： A61B17/320783 ,  A61B17/00234 ,  A61B17/22 ,  A61B17/3417 ,  A61B2017/00247 ,  A61B2017/00473 ,  A61B2018/00392 ,  A61B2217/005 ,  A61B2217/007

摘要： This invention is a pull push device (10) for removing a clot. The device (10) includes an elongate tubular member (12) having a suction port (14) and an irrigation or fluid pressurization port (18) respectively connectable to a vacuum source (22) and a pressurized fluid reservoir. The tubular member also has a clot intake port (16) positionable through a patient's skin inside a clogged vascular vessel. The vacuum source (22) enables clot suction into the clot intake port (16) for severing while liquid pressure supplies fluid for clot ejection and device clearance. A single piece rotating or reciprocating cutter (28) and intake closure component (24) is mounted inside the tubular member for closing the clot intake port upon each small vacuum assisted severing of clot mass by the cutting element. By simultaneously severing the clot, and closing the intake port (16) by the closure component (24) the device automatically converts from a suction to a pressure mode, thus ejecting any clot through the suction port (14).

公开(公告)号：EP0843572A1

公开(公告)日：1998-05-27

申请号：EP95944623.0

申请日：1995-12-15

申请人： Gelbfish, Gary A.

发明人： Gelbfish, Gary A.

IPC分类号： A61B17 ,  A61M1

CPC分类号： A61B17/320783 ,  A61B17/00234 ,  A61B17/22 ,  A61B17/3417 ,  A61B2017/00247 ,  A61B2017/00473 ,  A61B2018/00392 ,  A61B2217/005 ,  A61B2217/007

摘要： This invention is a pull push device (10) for removing a clot. The device (10) includes an elongate tubular member (12) having a suction port (14) and an irrigation or fluid pressurization port (18) respectively connectable to a vacuum source (22) and a pressurized fluid reservoir. The tubular member also has a clot intake port (16) positionable through a patient's skin inside a clogged vascular vessel. The vacuum source (22) enables clot suction into the clot intake port (16) for severing while liquid pressure supplies fluid for clot ejection and device clearance. A single piece rotating or reciprocating cutter (28) and intake closure component (24) is mounted inside the tubular member for closing the clot intake port upon each small vacuum assisted severing of clot mass by the cutting element. By simultaneously severing the clot, and closing the intake port (16) by the closure component (24) the device automatically converts from a suction to a pressure mode, thus ejecting any clot through the suction port (14).

公开(公告)号：EP0809970A1

公开(公告)日：1997-12-03

申请号：EP97108588.1

申请日：1997-05-28

申请人： Gelbfish, Gary A.

发明人： Gelbfish, Gary A.

IPC分类号： A61B17/22

CPC分类号： A61B17/32075 ,  A61B17/22032 ,  A61B2217/005

摘要： A cutting member (6) for a medical material removal instrument (2) comprises a cutting head having an axis (8) and an elongate drive rod (10) eccentrically attached at a distal end to the cutting head at a location spaced from the axis. The drive rod extends substantially parallel to the axis. The cutting member is used with an introducer sheath (4) or catheter which has a distal end portion inserted into a patient. The cutting head is provided with a cut-out (12) on the proximal side in part for enabling a drawing of material in a proximal direction internally from a patient into a distal end of the sheath (14) upon a partial ejection of the cutt ing head from the distal end of the sheath during a material removal operation. The material drawn into the sheath is severed in a scissors-type action of the cutting head against the distal end of the sheath upon a drawing of the cutting head via the drive rod into the distal end of the sheath. The cutting head has a maximal transverse cross-section conforming in a close fit to an inner surface of the sheath and is tapered from the maximal transverse cross-section in a proximal direction to facilitate a smooth and unobstructed drawing of the cutting head into the distal end of the sheath and also without damaging the sheath. The cutting head has an at least approximately semicylindrical outer surface (16) located between the maximal transverse cross-section and a most proximal end (18) of the cutting head. The semicylindrical outer surface serves to ensure a locating of the drive rod eccentrically relative to the sheath upon the drawing of the cutting head into the distal end of the sheath. Irrigation is optionally provided to aid in clot removal.