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1. 发明公开

EP3205316A1 CATHETER HAVING HYDRAULIC ACTUATOR WITH TANDEM CHAMBERS 审中-公开
标题翻译：带有串联式CH室的液压执行机构的导管
公开(公告)号：EP3205316A1
公开(公告)日：2017-08-16
申请号：EP17163395.1
申请日：2013-04-17
申请人： Abbott Cardiovascular Systems Inc.
发明人： GREEN, Michael L. , BIALAS, Michael R.
IPC分类号： A61F2/966 , A61F2/95 , A61F2/962 , A61M25/01 , A61M25/00 , A61M25/10
CPC分类号： A61F2/966 , A61F2/95 , A61F2/962 , A61F2002/9517 , A61M25/0119 , A61M25/0122 , A61M25/0155 , A61M2025/0024 , A61M2025/1059
摘要： A catheter, comprising: an inner tubular member having a length, an exterior surface and a fluid lumen defined therein, the exterior surface defining a first distal flow port in fluid communication with the fluid lumen and a second distal flow port in fluid communication with the fluid lumen; an outer tubular member movable relative to the inner tubular member in a proximal direction along a length of the inner tubular member, the outer tubular member having an interior surface directed toward the exterior surface of the inner tubular member; a first pressure chamber defined between the exterior surface of the inner tubular member and the interior surface of the outer tubular member, and between a first distal seal assembly and a first proximal seal assembly, the first pressure chamber in fluid communication with the first distal flow port; and a second pressure chamber defined between the exterior surface of the inner tubular member and the interior surface of the outer tubular member, and between a second distal seal assembly and a second proximal seal assembly, the second pressure chamber in fluid communication with the second distal flow port; wherein in a relative position of the outer tubular member and the inner tubular member, the first pressure chamber is in fluid communication with the first distal flow port and the second pressure chamber is in fluid communication with the second distal flow port, and when the outer tubular member moves a predetermined distance in the proximal direction, the first pressure chamber is in fluid communication with both the first distal flow port and second distal flow port.
摘要翻译： 1.一种导管，包括：具有长度，外表面和限定在其中的流体管腔的内管状构件，所述外表面限定与所述流体管腔流体连通的第一远端流动端口和与所述流体管腔流体连通的第二远端流动端口，流体内腔; 外部管状构件，所述外部管状构件能够沿着所述内部管状构件的长度在近端方向上相对于所述内部管状构件移动，所述外部管状构件具有指向所述内部管状构件的外表面的内表面; 限定在内部管状构件的外表面和外部管状构件的内表面之间以及第一远侧密封组件和第一近侧密封组件之间的第一压力室，第一压力室与第一远侧流体流体连通港口; 以及限定在所述内管状部件的外表面与所述外管状部件的内表面之间以及在第二远端密封组件和第二近端密封组件之间的第二压力腔室，所述第二压力腔室与所述第二远端流体连通流量端口; 其中在所述外部管状构件和所述内部管状构件的相对位置中，所述第一压力室与所述第一远端流动端口流体连通，并且所述第二压力室与所述第二远端流动端口流体连通，并且当所述外部管状构件在近侧方向上移动预定距离，第一压力室与第一远侧流动端口和第二远侧流动端口二者流体连通。

2. 发明公开

EP2949295A1 CATHETER HAVING HYDRAULIC ACTUATOR 有权
标题翻译：带有液压执行机构的导管
公开(公告)号：EP2949295A1
公开(公告)日：2015-12-02
申请号：EP15176902.3
申请日：2013-04-17
申请人： Abbott Cardiovascular Systems Inc.
发明人： BIALAS, Michael R. , PAPP, John E. , SIMPSON, John , ROORDA, Wouter Erik , GILLICK, Matthew , GREEN, Michael L. , STRAUSS, David P. , DEMORE, Duane M. , BARBIER, Robert P. , GIANOTTI, Marc
IPC分类号： A61F2/966
CPC分类号： A61F2/966 , A61F2/958 , A61F2/962 , A61F2002/011 , A61F2002/9522 , A61F2002/9583 , A61M25/09 , A61M25/10184 , A61M25/10185 , A61M2025/0183
摘要： A catheter comprising: an inner tubular member having a proximal end portion, a distal end portion and an exterior surface, the inner tubular member further having a fluid lumen defined therein; an outer tubular member movable relative to the inner tubular member, the outer tubular member having a proximal end, a distal end and an interior surface directed toward the exterior surface of the inner tubular member; characterized by the fluid lumen having a fluid flow port defined by the exterior surface along the distal end portion of the inner tubular member; a proximal seal extends from the interior surface of the outer tubular member toward the exterior surface of the inner tubular member, the proximal seal located proximal to the fluid flow port; a distal seal extends from the exterior surface of the inner tubular member toward the interior surface of the outer tubular member, the distal seal located distal to the fluid flow port; a pressure chamber is defined by the proximal seal, the distal seal, the exterior surface of the inner tubular member and interior surface of the outer tubular member, with the pressure chamber in fluid communication with the fluid flow port, wherein fluid introduced through the fluid flow port and into the pressure chamber applies a force on the proximal seal to urge the outer tubular member in a proximal direction; a spring is disposed to bias the outer tubular member in the proximal direction; and a dissolvable adhesive is provided to maintain the spring in a compressed configuration until the adhesive is dissolved.
摘要翻译：一种导管，包括：具有近端部分，远端部分和外表面的内管状部件，所述内管状部件还具有限定在其中的流体管腔; 相对于所述内管状部件可移动的外管状部件，所述外管状部件具有近端，远端和指向所述内管状部件的外表面的内表面; 其特征在于流体腔具有由沿着内部管状部件的远端部分的外表面限定的流体流动端口; 近侧密封件从外部管状构件的内表面朝向内部管状构件的外表面延伸，近侧密封件位于流体流动端口的近侧; 远侧密封件从内部管状构件的外表面朝向外部管状构件的内表面延伸，远侧密封件位于流体流动端口的远侧; 由近端密封件，远端密封件，内管状部件的外表面和外管状部件的内表面限定压力室，其中压力室与流体流动端口流体连通，其中通过流体引入的流体流动端口并且进入压力腔室在近侧密封件上施加力以沿近侧方向推动外管状构件; 弹簧设置成沿近侧方向偏压外管状部件; 并且提供可溶解的粘合剂以保持弹簧处于压缩构型直到粘合剂溶解。

3. 发明授权

EP2949295B1 CATHETER HAVING HYDRAULIC ACTUATOR 有权
公开(公告)号：EP2949295B1
公开(公告)日：2017-07-19
申请号：EP15176902.3
申请日：2013-04-17
申请人： Abbott Cardiovascular Systems Inc.
发明人： BIALAS, Michael R. , PAPP, John E. , SIMPSON, John , ROORDA, Wouter Erik , GILLICK, Matthew , GREEN, Michael L. , STRAUSS, David P. , DEMORE, Duane M. , BARBIER, Robert P. , GIANOTTI, Marc
IPC分类号： A61F2/962 , A61F2/966 , A61M25/01 , A61F2/95 , A61M25/09 , A61M25/10
CPC分类号： A61F2/966 , A61F2/958 , A61F2/962 , A61F2002/011 , A61F2002/9522 , A61F2002/9583 , A61M25/09 , A61M25/10184 , A61M25/10185 , A61M2025/0183
摘要： A catheter comprising: an inner tubular member having a proximal end portion, a distal end portion and an exterior surface, the inner tubular member further having a fluid lumen defined therein; an outer tubular member movable relative to the inner tubular member, the outer tubular member having a proximal end, a distal end and an interior surface directed toward the exterior surface of the inner tubular member; characterized by the fluid lumen having a fluid flow port defined by the exterior surface along the distal end portion of the inner tubular member; a proximal seal extends from the interior surface of the outer tubular member toward the exterior surface of the inner tubular member, the proximal seal located proximal to the fluid flow port; a distal seal extends from the exterior surface of the inner tubular member toward the interior surface of the outer tubular member, the distal seal located distal to the fluid flow port; a pressure chamber is defined by the proximal seal, the distal seal, the exterior surface of the inner tubular member and interior surface of the outer tubular member, with the pressure chamber in fluid communication with the fluid flow port, wherein fluid introduced through the fluid flow port and into the pressure chamber applies a force on the proximal seal to urge the outer tubular member in a proximal direction; a spring is disposed to bias the outer tubular member in the proximal direction; and a dissolvable adhesive is provided to maintain the spring in a compressed configuration until the adhesive is dissolved.

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