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    • 1. 发明授权
    • Stent applicator
    • US09925077B2
    • 2018-03-27
    • US14651412
    • 2013-12-05
    • Carag AG
    • Jörg HummenKuno LimacherCyrill RöthlinClaudio SteinerBeat WidmerAlbora De Pablo PeñaJérôme BernhardChristoph Sidler
    • A61F2/966A61F2/95A61F2/962
    • A61F2/966A61F2/962A61F2002/9505A61F2002/9517A61F2002/9534
    • The invention relates to a delivery system for delivering a stent (S) into a body vessel of a patient, comprising a flexible catheter tube (3) having a proximal and a distal end for delivering the stent (S) to a predetermined location in the body vessel and a catheter tip (1) having a longitudinal direction, which is disposed at the distal end of the catheter tube (3). The catheter tip (1) has a stent chamber (150) to receive the stent (1). The catheter tip has a first pressure chamber (20, 22). In the catheter tube (3) a first fluid channel (31) extends from the proximal end to the first pressure chamber (20, 22) of the catheter tip (1). The volume of the first pressure chamber (20, 22) can be enlarged by delivering a first fluid from the first fluid channel (31) to the first pressure chamber (20, 22), such that the stent (S) is released from the stent chamber (150) at the predetermined location in the body vessel. According to the invention the catheter tip (1) has a second pressure chamber (21, 23), wherein in the catheter tube (3) a second fluid channel (32) extends from the proximal end to the second pressure chamber (21, 23) and wherein the volume of the second pressure chamber (21, 23) can be enlarged by delivering a second fluid from the second fluid channel (32) to the second pressure chamber (21, 23), such that a partially released stent (S) can be returned from the predetermined location in the body vessel into the stent chamber (150). This delivery system according to the invention makes it possible to release a stent (S) at a well-defined location and also to surround same again relatively atraumatically and to reposition same in situ.
    • 2. 发明申请
    • Stent Applicator
    • 支架施放器
    • US20150313739A1
    • 2015-11-05
    • US14651412
    • 2013-12-05
    • CARAG AG
    • Jörg HummenKuno LimacherCyrill RöthlinClaudio SteinerBeat WidmerAlbora De Pablo PeñaJérôme BernhardChristoph Sidler
    • A61F2/966
    • A61F2/966A61F2/962A61F2002/9505A61F2002/9517A61F2002/9534
    • The invention relates to a delivery system for delivering a stent (S) into a body vessel of a patient, comprising a flexible catheter tube (3) having a proximal and a distal end for delivering the stent (S) to a predetermined location in the body vessel and a catheter tip (1) having a longitudinal direction, which is disposed at the distal end of the catheter tube (3). The catheter tip (1) has a stent chamber (150) to receive the stent (1). The catheter tip has a first pressure chamber (20, 22). In the catheter tube (3) a first fluid channel (31) extends from the proximal end to the first pressure chamber (20, 22) of the catheter tip (1). The volume of the first pressure chamber (20, 22) can be enlarged by delivering a first fluid from the first fluid channel (31) to the first pressure chamber (20, 22), such that the stent (S) is released from the stent chamber (150) at the predetermined location in the body vessel. According to the invention the catheter tip (1) has a second pressure chamber (21, 23), wherein in the catheter tube (3) a second fluid channel (32) extends from the proximal end to the second pressure chamber (21, 23) and wherein the volume of the second pressure chamber (21, 23) can be enlarged by delivering a second fluid from the second fluid channel (32) to the second pressure chamber (21, 23), such that a partially released stent (S) can be returned from the predetermined location in the body vessel into the stent chamber (150). This delivery system according to the invention makes it possible to release a stent (S) at a well-defined location and also to surround same again relatively atraumatically and to reposition same in situ.
    • 本发明涉及一种用于将支架(S)输送到患者的身体容器中的递送系统,包括具有近端和远端的柔性导管(3),用于将支架(S)输送到患者的预定位置 身体容器和具有纵向方向的导管尖端(1),其布置在导管(3)的远端。 导管尖端(1)具有用于接纳支架(1)的支架室(150)。 导管末端具有第一压力室(20,22)。 在导管(3)中,第一流体通道(31)从导管尖端(1)的近端延伸到第一压力室(20,22)。 可以通过将第一流体从第一流体通道(31)输送到第一压力室(20,22)来扩大第一压力室(20,22)的体积,使得支架(S)从 支架室(150)在体内容器的预定位置。 根据本发明,导管尖端(1)具有第二压力室(21,23),其中在导管(3)中,第二流体通道(32)从近端延伸到第二压力室(21,23) ),并且其中可以通过将第二流体从第二流体通道(32)输送到第二压力室(21,23)来扩大第二压力室(21,23)的体积,使得部分释放的支架(S )可以从体容器中的预定位置返回到支架室(150)中。 根据本发明的该递送系统使得可以在明确定义的位置处释放支架(S),并且还可以相对无创地再次包围相同并且在原位上重新定位。