Perfusion device for maintaining blood flow in a vessel while isolating
an anastomosis
    26.
    发明授权
    Perfusion device for maintaining blood flow in a vessel while isolating an anastomosis 失效
    用于在分离吻合期间维持血管中的血液流动的灌注装置

    公开(公告)号:US06071297A

    公开(公告)日:2000-06-06

    申请号:US956164

    申请日:1997-10-22

    IPC分类号: A61B17/11 A61B17/12 A61M29/00

    摘要: A plurality of embodiments of a distal perfusion device are disclosed, which device facilitates anastomosis constructions by maintaining a dry anastomosis site while simultaneously maintaining blood flow distally in the blood vessel to prevent ischemia and reduce overall patient trauma. The perfusion device is configured for installation into a blood vessel such as a left anterior descending coronary artery through an incision therein, to which is to be grafted a distal end of a blood vessel such as an internal mammary artery. The device includes a central member of selected configuration and material, terminating at either end thereof in respective selectively tapered end members. A lumen extending through the central member and end members, and selected perforations in the end members, maintain blood flow through the perfusion device. A selected portion or portions of the device's outer circumference fit snugly within the artery in the regions beyond and/or at the anastomosis site, to maintain the latter free of blood. Several methods for deploying and removing respective embodiments of the device also are illustrated.

    摘要翻译: 公开了一种远端灌注装置的多个实施例,该装置通过维持干吻合部位来促进吻合结构,同时在血管中保持血液向远端流动以防止局部缺血并减少总的患者创伤。 灌注装置被构造成通过其中的切口安装到诸如左前降支冠状动脉的血管中,其将被移植到诸如内部乳腺动脉的血管的远端。 该装置包括选定构型和材料的中心构件,其终端位于相应的选择性锥形端构件的任一端。 延伸穿过中心构件和端构件的内腔以及端构件中选择的穿孔保持血流通过灌注装置。 装置的外周的选定部分或部分适合紧贴在吻合部位之外和/或处于吻合部位的区域内的动脉内,以保持后者无血液。 还示出了用于部署和移除设备的各个实施例的几种方法。

    Devices and methods for minimally invasive harvesting of a vessel
especially the saphenous vein for coronary bypass grafting
    27.
    发明授权
    Devices and methods for minimally invasive harvesting of a vessel especially the saphenous vein for coronary bypass grafting 失效
    用于微创收集血管的装置和方法,特别是用于冠状动脉搭桥术的隐静脉

    公开(公告)号:US6019771A

    公开(公告)日:2000-02-01

    申请号:US759102

    申请日:1996-12-02

    摘要: Devices and methods for minimally invasive harvesting of a vessel, especially the saphenous vein for coronary artery bypass grafting, are disclosed which facilitate a minimally invasive vessel harvesting procedure. Generally, an instrument is provided which facilitates introduction of vessel harvesting tools through a minimally invasive incision, and provides the capability to separate the vessel from surrounding tissue while minimizing trauma to the patient and preserving the patency of the vessel. The instrument includes a mechanism for separating the vessel from surrounding tissue and may also include mechanisms for severing side branches from the vessel during the harvesting procedure. In one embodiment, an integrated vessel harvesting assembly is provided which may rotate around a vessel and provides a unitary mechanism for separating the vessel from surrounding tissue and for severing the side branches.

    摘要翻译: 公开了用于微创收集血管,尤其是用于冠状动脉旁路移植术的隐静脉的装置和方法,其有助于微创血管收获程序。 通常,提供了便于通过微创切口引入血管收集工具的仪器,并且提供了将血管与周围组织分开同时最小化对患者的创伤并保持血管通畅性的能力。 该仪器包括用于将容器与周围组织分开的机构,并且还可包括用于在收获过程期间切断侧分支的装置。 在一个实施例中,提供集成的血管收集组件,其可围绕血管旋转并且提供用于将血管与周围组织分离并用于切断侧枝的整体机构。

    Low profile vessel occluder with and without detachable applicator
    28.
    发明授权
    Low profile vessel occluder with and without detachable applicator 失效
    具有和不具有可拆卸涂抹器的低轮廓血管封堵器

    公开(公告)号:US6001111A

    公开(公告)日:1999-12-14

    申请号:US8113

    申请日:1998-01-16

    摘要: A low profile unobtrusive occluder device is disclosed which is particularly applicable for occluding blood vessels in minimally invasive beating heart CABG surgical procedures, wherein relatively small surgical openings are provided. At least one flexible member is provided on the occluder, which is placed against the vessel. A suture thread is passed under the vessel to encompass the vessel between the occluder and suture thread. The suture thread is selectively attached to the occluder such that the flexible member, when deformed, applies continuous selected tension on the suture thread to apply a corresponding compression on the vessel which occludes the flow of blood. An applicator is attached to the occluder to enable installation thereof, but is detachable after installation such that only the low profile occluder remains on the heart surface during surgery. The applicator is re-attached to the occluder to facilitate removal of the latter. In an alternative embodiment, the occluder is formed as an adjustable part of a heart contacting member of a thoracotomy stabilizer apparatus.

    摘要翻译: 公开了一种低调的不引人注意的闭塞器装置,其特别适用于在微创搏动心脏CABG外科手术中闭塞血管,其中提供了相对较小的手术开口。 至少一个柔性构件设置在封闭器上,其抵靠容器放置。 缝合线在血管下方通过封闭器和缝合线之间的容器。 缝合线选择性地附接到闭塞器,使得当变形时,柔性构件在缝合线上施加连续的选定张力,以在封闭血流的血管上施加相应的压缩。 敷贴器附接到封堵器以使其能够安装,但是在安装之后可拆卸,使得在外科手术期间只有低轮廓的封堵器保留在心脏表面上。 将施用器重新连接到封堵器以便于去除封堵器。 在替代实施例中,封堵器形成为开胸稳定器装置的心脏接触构件的可调部分。

    Surgical method for stabilizing the beating heart during coronary artery
bypass graft surgery
    30.
    发明授权
    Surgical method for stabilizing the beating heart during coronary artery bypass graft surgery 失效
    冠状动脉旁路移植手术中稳定跳动心脏的手术方法

    公开(公告)号:US5894843A

    公开(公告)日:1999-04-20

    申请号:US603758

    申请日:1996-02-20

    摘要: The invention is methods and devices which a surgeon may use to stabilize the beating heart during a surgical procedure on the heart. Pursuant to the invention, a stabilizing device is introduced through an opening in the chest and brought into contact with the beating heart. By contacting the heart with the device and by exerting a stabilizing force on the device, the motion of the heart caused by the contraction of the heart muscles is effectively eliminated such that the heart is stabilized and the site of the surgery moves only minimally if at all. Typically, in separate steps, the surgeon contacts the heart with the stabilizing device, assesses the degree of movement of the anastomosis site, and exerts a force on the stabilizing device such that the contraction of the beating heart causes only minimal excess motion at the surgery site. By fixing the position of the stabilizing device in a configuration where the motion of the beating heart is effectively eliminated, the surgeon is able to stabilize the beating heart for the duration of the procedure. The stabilizing device may be attached to a rigid support or may be attached to a semi-rigid support which is rendered motionless mechanically, chemically, or by human intervention. In certain preferred embodiments, the stabilizing device is affixed to a semi-rigid support which is caused to become rigid, by any of a variety of techniques, such that the position of the stabilizing device becomes fixed by the support, and the heart remains substantially motionless for the duration of the procedure.

    摘要翻译: 本发明是外科医生可以在心脏手术过程中稳定跳动心脏的方法和装置。 根据本发明,稳定装置通过胸部的开口引入并与打浆心接触。 通过将心脏与装置接触并且通过在装置上施加稳定力,由心脏肌肉收缩引起的心脏的运动被有效地消除,使得心脏稳定,并且手术部位仅在最小程度上移动,如果在 所有。 通常,在单独的步骤中,外科医生与稳定装置接触心脏,评估吻合部位的移动程度,并且在稳定装置上施加力,使得跳动心脏的收缩在手术时仅引起极小的过度运动 现场。 通过将稳定装置的位置固定在跳动心脏的运动被有效地消除的构造中,外科医生能够在手术期间稳定跳动的心脏。 稳定装置可以附接到刚性支撑件,或者可以附接到半刚性支撑件,其通过机械,化学方式或通过人为干预使其不动。 在某些优选实施例中,稳定装置通过各种技术中的任何一种固定到刚性刚性的半刚性支撑件上,使得稳定装置的位置由支撑件固定,心脏基本保持 在程序期间不动。