公开(公告)号：US20160367316A1

公开(公告)日：2016-12-22

申请号：US15255573

申请日：2016-09-02

Applicant: Boston Scientific Scimed, Inc.

Inventor： Scott Smith ,  Joe Koblish ,  Mark L. Jenson ,  Roger Hastings

IPC: A61B18/14

CPC classification number: A61B18/1492 ,  A61B2018/00029 ,  A61B2018/00035 ,  A61B2018/00065 ,  A61B2018/0016 ,  A61B2018/0022 ,  A61B2018/00238 ,  A61B2018/00285 ,  A61B2018/00404 ,  A61B2018/00434 ,  A61B2018/00505 ,  A61B2018/00511 ,  A61B2018/00577 ,  A61B2018/00821 ,  A61B2018/1472

Abstract: A catheter includes a flexible shaft having a lumen arrangement and a length sufficient to access a target vessel of a patient. A balloon at the distal end of the shaft is fluidly coupled to the lumen arrangement. The balloon body comprises a first material and a second material different from the first material. The second material comprises a hydrophilic polymer that becomes electrically conductive in response to absorption of the conductive fluid. The fluid conductive regions facilitate perfusion of the conductive fluid through the balloon body to an inner wall of the target vessel during ablation of perivascular tissues. A cooling arrangement is configured for one of receiving a thermal transfer fluid from the lumen arrangement or facilitating perfusion of blood passing through the target vessel to cool the balloon body during ablation of the perivascular tissues.

Abstract translation: 导管包括柔性轴，其具有管腔布置和足以进入患者的目标血管的长度。 在轴的远端处的气囊流体地联接到管腔装置。 球囊体包括第一材料和与第一材料不同的第二材料。 第二种材料包括响应于导电流体的吸收变得导电的亲水性聚合物。 流体导电区域便于在血管周围组织消融期间将导电流体通过球囊体灌注到目标血管的内壁。 冷却装置构造成用于接收来自管腔装置的热转移流体，或者促进血液通过靶血管的灌注，以在血管周围组织消融期间冷却球囊体。

公开(公告)号：US10743933B2

公开(公告)日：2020-08-18

申请号：US15130805

申请日：2016-04-15

Applicant: Boston Scientific Scimed, Inc.

Inventor： Scott Smith ,  Leonard B. Richardson ,  Mark L. Jenson

IPC: A61B18/14 ,  A61M25/00 ,  A61M25/01 ,  A61B90/00 ,  A61B18/18 ,  A61B18/20 ,  A61B18/00

Abstract: A catheter is configured to access a renal artery. A lumen of the catheter's shaft is dimensioned to receive a flexible actuation member which extends between the shaft's proximal and distal ends. The actuation member is moveable within the lumen and subject to elastic deformation, friction, and/or whip along its length. A flexible support member is coupled to a distal end of the actuation member and extendible beyond a distal tip of the shaft. An RF ablation electrode at a distal end of the support member is configured to ablated perivascular renal nerve tissue. A position converter at the distal end of the shaft is configured to convert movement of the actuation member into one or both of controlled rotational and axial movement of the support member and electrode to one of a multiplicity of stable circumferential positions substantially free of elastic deformation, friction, and/or whip impacting actuation member movement.

公开(公告)号：US20170273741A1

公开(公告)日：2017-09-28

申请号：US15584906

申请日：2017-05-02

Applicant: Boston Scientific Scimed, Inc.

Inventor： David Sogard ,  Scott Smith ,  Mark L. Jenson

IPC: A61B18/14

CPC classification number: A61B18/1492 ,  A61B90/37 ,  A61B2018/00404 ,  A61B2018/00434 ,  A61B2018/00511 ,  A61B2018/00577 ,  A61B2018/00791 ,  A61B2018/00875 ,  A61B2018/0212 ,  A61N5/062 ,  A61N7/022 ,  A61N2005/067 ,  A61N2007/003

Abstract: An elongated flexible medical device is inserted into a patient's body via a natural orifice, and advanced through the natural orifice to a location proximate innervated tissue that influences renal sympathetic nerve activity. The medical device can be advanced into a body organ and to a location within the organ proximate the innervated tissue. The organ may comprise an organ of the gastrointestinal tract or urinary tract. The medical device may be advanced through and beyond an access hole in a wall of the organ, and situated at a location proximate the innervated tissue. One or both of imaging and ablation energy is delivered from a distal end of the medical device to the innervated tissue. Innervated renal tissue can be ablated using various forms of energy, including RF energy, ultrasound energy, optical energy, and thermal energy.

公开(公告)号：US20170042610A1

公开(公告)日：2017-02-16

申请号：US15130805

申请日：2016-04-15

Applicant: Boston Scientific Scimed, Inc.

Inventor： Scott Smith ,  Leonard B. Richardson ,  Mark L. Jenson

IPC: A61B18/14 ,  A61B90/00 ,  A61M25/00 ,  A61M25/01

Abstract: A catheter is configured to access a renal artery. A lumen of the catheter's shaft is dimensioned to receive a flexible actuation member which extends between the shaft's proximal and distal ends. The actuation member is moveable within the lumen and subject to elastic deformation, friction, and/or whip along its length. A flexible support member is coupled to a distal end of the actuation member and extendible beyond a distal tip of the shaft. An RF ablation electrode at a distal end of the support member is configured to ablated perivascular renal nerve tissue. A position converter at the distal end of the shaft is configured to convert movement of the actuation member into one or both of controlled rotational and axial movement of the support member and electrode to one of a multiplicity of stable circumferential positions substantially free of elastic deformation, friction, and/or whip impacting actuation member movement.

Abstract translation: 导管配置成进入肾动脉。 导管轴的内腔的尺寸被设计成容纳在轴的近端和远端之间延伸的柔性致动构件。 致动构件可在内腔内移动并且沿其长度受到弹性变形，摩擦和/或鞭状。 柔性支撑构件联接到致动构件的远端并且可延伸超过轴的远侧末端。 在支撑构件的远端处的RF消融电极被配置为消融血管周围肾神经组织。 在轴的远端处的位置转换器被配置为将致动构件的运动转换成支撑构件和电极的受控旋转和轴向运动到基本上没有弹性变形的多个稳定的圆周位置中的一个或两个， 摩擦和/或搅动撞击致动构件运动。